| Subclass |
| Title |
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ClassTitle
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CHAIRS AND SEATS
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| 1 | ![[Patents]](../gifs/ps.gif) | SEATING DEVICE REORIENTS AS UNIT |
| 2 | | . To expose nonoccupant support |
| 3 | | . Inverting |
| 4 | | PORTABLE BOTTOM WITH OCCUPANT ATTACHER |
| 5 | | WITH OCCUPANT-PROPELLED WALKER OR SKATER FRAME |
| 6 | | . Bottom movable to nonuse position |
| 7 | | WITH REMOVABLE OR REORIENTABLE CRIB SIDE |
| 8 | | . Fabric crib side |
| 9 | | . Side added to front edge of bottom |
| 10 | | . Side storable within or upon seating device |
| 11 | | . . Within or upon armrest |
| 12 | | . . Side withdrawn laterally of device |
| 13 | | FOLDING BOTTOM PERMITS SEAT ROTATION ABOUT VERTICAL AXIS |
| 14 | | BOTTOM AND BACK CONNECTED TO AND FOLDABLE IN WALL OR PARTITION |
| 15 | | . In floor |
| 16.1 | | COLLAPSIBLE CHAIR; I.E., RELATIVELY FOLDING BOTTOM, BACK, AND LEGS |
| 16.2 | | . Collapsed to a compact bundle having all rigid elongated elements extending in a single longitudinal direction |
| 17 | | . Collapsed components form self-contained carrying case |
| 18 | | . Nonpivoted crossed legs |
| 19 | | . With means to hold chair in plural operative configurations |
| 20 | | . . By adjustable leg-to-rocker connection |
| 21 | | . . Set means operative between back post and rear leg |
| 22 | | . . . Back-to-leg prop |
| 23 | | . . . . Single element forms back post and front leg |
| 24 | | . . Set means interconnects front leg and rear leg |
| 25 | | . . . Brace or tie interconnection |
| 26 | | . . . . Bottom forms or supported by tie |
| 27 | | . . Set means include armrest |
| 28 | | . . . Rigid with armrest |
| 29 | | . Journaled connections of parts permit occupant to change configuration |
| 30 | | . With concurrently folding footrest |
| 31 | | . Front leg folds relative to integral bottom-rear leg; e.g., beach type |
| 32 | | . With folding rocker |
| 33 | | . . Rocker disengages from leg to permit folding |
| 34 | | . Rearwardly folding back |
| 35 | | . With folding armrest |
| 36 | | . . Laterally swinging |
| 37 | | . . . To overlie or underlie bottom |
| 38 | | . . Slidably connected to chair component |
| 39 | | . . Back, arm, bottom, and front leg form collapsible parallelogram |
| 40 | | . . Folds forwardly and downwardly |
| 41 | | . . Pivoted to integral back and leg |
| 42 | | . Laterally collapsible |
| 43 | | . . Against fixed standard |
| 44 | | . . Folding back or bottom sections |
| 45 | | . . Fabric bottom and back |
| 46 | | . Back and legs collapse concurrently |
| 47 | | . . Parallel leg pairs |
| 48 | | . . Back articulated to both leg pairs |
| 49 | | . . . Above and below bottom |
| 50 | | . . Back-to-leg articulation above back-to-bottom articulation |
| 51 | | . Back and legs collapse independently |
| 52 | | . . Back pivoted to and abutting a leg |
| 53 | | . . To overlie and underlie bottom |
| 54 | | . . . Noncrossed legs |
| 55 | | . Relatively collapsible bottom, rear legs, and integral back and front legs |
| 56 | | . . Crossed legs |
| 57 | | . . . Bottom detachably or slidably connected to back |
| 58 | | . . Rear leg pivoted to back above bottom connection |
| 59 | | . Relatively collapsible bottom, front legs, and integral back and rear legs |
| 60 | | . . Upwardly tilting bottom elevates pivoted front legs |
| 61 | | HEADREST INTERCONNECTED WITH BACK FOR RELATIVE CONCURRENT MOVEMENT |
| 62 | | COMPONENT REORIENTABLE TO STACKED BUNKS |
| 63 | | COMPONENT OF ADJACENT SEATS REORIENTABLE TO SINGLE BED |
| 64 | | . Back pivots rearwardly between and coplanar with bottoms |
| 65 | | . . Bottom moves horizontally responsive to reclining of back |
| 66 | | . . Rear seat component supports reclined back |
| 67 | | . Facing seats |
| 68 | | LEGREST OR FOOTREST INTERCONNECTED TO MOVE RELATIVE TO BOTTOM AND CONCURRENT WITH BOTTOM OR BACK |
| 69 | | . With means to permit independent adjustment of legrest or footrest |
| 70 | | . . Footrest adjustable independently of legrest movement |
| 71 | | . Common actuator controls vertical adjustment and relative movement of parts |
| 72 | | . Back reversible as to bottom |
| 73 | | . . Back movement disposes footrest for use from rear |
| 74 | | . . . Common rocker arm carries opposed footrest |
| 75 | | . Relatively movable rest sections move simultaneously |
| 76 | | . . Footrest extends angularly of depending legrest |
| 77 | | . Face-to-face seats suspended to oscillate |
| 78 | | . Interconnection includes back-controlled movable armrest |
| 79 | | . . Armrest linkage connected to legrest below legrest-to-bottom pivot |
| 80 | | . . Armrest directly pivoted to upper extension of legrest |
| 81 | | . . . With concurrently movable bottom |
| 82 | | . . . . Bottom pivoted to supporting frame at rear |
| 83 | | . With means to move bottom relative to and concurrently with back |
| 84 | | . . Rest advances forwardly of bottom |
| 85 | | . . . Advancing linkage includes lazy tong pivoted to rest |
| 86 | | . . Common actuator articulates bottom and rest to back |
| 87 | | . . Bottom actuator for rest |
| 88 | | . Bottom and back movable as unit relative to legrest |
| 89 | | . . Advancing legrest pivoted to lazy tong linkage |
| 90 | | . Interconnector articulated to back extension below back-to-bottom pivot |
| 91 | | . . By plural links |
| 92 | | CHAIR WITH INTERCHANGEABLE AND REVERSIBLE BOTTOM AND BACK |
| 93 | | . One-piece bottom and back |
| 94 | | BACK REVERSIBLE AS TO BOTTOM; E.G., WALKOVER TYPE |
| 95 | | . Back movement tilts bottom oppositely |
| 96 | | . . Gear actuator |
| 97 | | . . Back-actuated cam in bottom-carried slot |
| 98 | | . . . Cam carried by back support |
| 99 | | . . . Cam actuator slidably connected to back |
| 100 | | . Bisector link rigidly connected to back |
| 101 | | . Multiple links, pivotally connected to back |
| 102 | | . . Crossed link back inverter |
| 103 | | . . Parallelogram linkage |
| 104 | | . Link pivoted to back and armrest |
| 105 | | DISPLACEABLE BOTTOM EXPOSES SUPPLEMENTAL BODY SUPPORT |
| 106 | | . Lazy tong-mounted supported |
| 107 | | . Laterally extensible |
| 108 | | . Bottom inverts to form extension of subjacent support |
| 109 | | . . Plural sections exposed by inverting bottom |
| 110 | | . . Armrest or back inverts with bottom to support extension |
| 111 | | . Supplemental body support positioned forwardly of bottom |
| 112 | | BACK CARRIES STORED SUPPLEMENTAL BODY SUPPORT |
| 113 | | . Armrest movable from recess in back |
| 114 | | . Supplemental support pivoted to upper end of back |
| 115 | | ARMREST MOVABLE TO DIVERSE USE POSITION |
| 116 | | . Pivots laterally |
| 117 | | . . Releasable from back-connected upright position |
| 118 | | CONVERTIBLE |
| 119 | | . Table |
| 120 | | . . Additional table leaf extensible from converting component |
| 121 | | . . Common table with plural bottoms |
| 122 | | . . Sectional table formed of bottom and back |
| 123 | | . . Bottom and back move as unit |
| 124 | | . . Back-to-table top |
| 125 | | . . . Rear of back |
| 126 | | . . . . Extends beyond bottom for concurrent use |
| 127 | | . . . . Supported on armrest |
| 128 | | . . . . . Slidably connected to armrest |
| 129 | | . To nonoccupant support device |
| 130 | | . Alternately usable seat mounts |
| 131 | | . . Rocker retractable to inoperative position |
| 132 | | . . . Ends of composite rockers contact inwardly |
| 133 | | . . Detachable rocker |
| 134 | | . . Seat detachable from subjacent table or stool |
| 135 | | WITH TABLE, DESK, OR EASEL |
| 136 | | . Seat supported within periphery of apertured table |
| 137 | | . . Seat rotatable about vertical axis |
| 138 | | . . Seat movable along table-mounted horizontal track |
| 139 | | . Table forms carrying case for seat |
| 140 | | . Seat inoperatively positionable beneath table |
| 141 | | . . Pivotally movable seat |
| 142 | | . . . Horizontally swinging |
| 143 | | . . Slides on track or guide |
| 144 | | . Extensible from within or beneath seat component |
| 145 | | . . From armrest |
| 146 | | . . From back |
| 147 | | . Extensible from wall or receptacle |
| 148 | | . Table supported on both arms |
| 149 | | . . Horizontally adjustable |
| 150 | | . . . And movable to inoperative position |
| 151 | | . . . Pin and slot type |
| 152 | | . . Means for attaching seat and table to adjacent support |
| 153 | | . . Removable |
| 154 | | . . Movable to inoperative position |
| 155 | | . . . To side of chair |
| 156 | | . Straddle-type seat |
| 157.1 | | . Table with opposed seating |
| 158.1 | | . . With semi-enclosing support structure (e.g., booth) |
| 158.2 | | . . . Movably mounted table or seat |
| 158.3 | | . . Planar horizontal seating (e.g., picnic table) |
| 158.4 | | . . . Folding |
| 158.5 | | . . . Having separable components |
| 159.1 | | . . Folding |
| 160 | | . Tablet-arm type |
| 161 | | . . Adjustable to multiple use positions |
| 162 | | . . Connected to move to inoperative position |
| 163 | | . Table behind seat |
| 164 | | . . Both independently vertically adjustable |
| 165 | | . . . Tiltable seat |
| 166 | | . . . . Single pedestal |
| 167 | | . . Tiltable seat |
| 168 | | . . . Vertically adjustable |
| 169 | | . . . With tiltable table |
| 170 | | . Chair-secured standard supports table |
| 171 | | . . Standard is vertical extension of chair leg |
| 172 | | . . Standard spaced from chair by base element |
| 173 | | . Table pivotally connected to seat |
| 174 | | . Table in front of seat |
| 175 | | MILKER STOOL TYPE |
| 176 | | . With tail guard or holder |
| 177 | | . Pail support movable as unit relative to seat |
| 178 | | . . Pail support vertically movable |
| 179 | | . Adjustable as to pail size |
| 180.1 | | WITH HEAT EXCHANGER OR MEANS TO PROVIDE FLUID OR VAPOR TREATMENT |
| 180.11 | | . Portable supplemental pad |
| 180.12 | | . Electric heating element |
| 180.13 | | . Power source propels air for heat exchange |
| 180.14 | | . . Fan directly attached to a chair or seat component |
| 180.15 | | . Liquid medium |
| 180.16 | | . Occupant`s motion actuates a ventilating means (e.g., rocking movement, etc.) |
| 181 | | SIMULATION; E.G., ANIMAL OR VEHICLE |
| 182 | | WITH DEBRIS CATCHER |
| 183.1 | | WITH HANDLE |
| 183.2 | | . Movable to inoperative position |
| 183.3 | | . . Alternate use (e.g., prop for baby seat, etc.) |
| 183.4 | | . Adjustable plural use positions |
| 183.5 | | . For use with chair in collapsed position (e.g., stadium chair) |
| 183.6 | | . For nonoccupant use |
| 183.7 | | . . Seat back grip |
| 183.8 | | . . . Detachable |
| 183.9 | | . For use by occupant while seated |
| 184.1 | | WITH WEATHER SHIELD OR INSECT PROTECTOR (E.G., CANOPY, SCREEN, ETC.) |
| 184.11 | | . Detachable or movable for seat occupancy |
| 184.12 | | . Transparent visor |
| 184.13 | | . For child seat |
| 184.14 | | . Enclosure type |
| 184.15 | | . Flexible canopy having framework |
| 184.16 | | . . Umbrella type |
| 184.17 | | . . U-shaped elements have ends which converge toward a common laterally extending axis (e.g., baby carriage type, etc.) |
| 185 | | WITH MIRROR |
| 186 | | WITH MUSICAL INSTRUMENT OR INSTRUMENT SUPPORT |
| 187 | | PRIE-DIEU TYPE OF KNEELING STAND |
| 188.01 | | WITH HOLDER OR RECEPTACLE FOR DISPARATE ARTICLE |
| 188.02 | | . Holder or receptacle collapses as seat pivots |
| 188.03 | | . For apparel |
| 188.04 | | . On or integral with backrest |
| 188.05 | | . . Adjustable |
| 188.06 | | . . Detachable |
| 188.07 | | . . Having closure means |
| 188.08 | | . Directly under occupant seating portion |
| 188.09 | | . . Accessible by displacement of seating surface |
| 188.1 | | . . . Pivotally displaced |
| 188.11 | | . . Horizontally slidable (e.g., drawer) |
| 188.12 | | . . Detachable |
| 188.13 | | . . Having closure means |
| 188.14 | | . On or integral with armrest (e.g., beverage cup holder) |
| 188.15 | | . . Movably mounted to inoperative position |
| 188.16 | | . . . Into armrest |
| 188.17 | | . . . . By sliding motion |
| 188.18 | | . . Holder detachable from armrest |
| 188.19 | | . . Having closure means |
| 188.2 | | . Detachable from chair structure |
| 188.21 | | . Adjustable with respect to the chair structure |
| 195.1 | | STRADDLE SEAT (E.G., SADDLE TYPE, ETC.) |
| 195.11 | | . Other than cycle seat |
| 195.12 | | . Plural related seats |
| 195.13 | | . . Detachable seat |
| 196 | | . Base-attached cantilevered spring mounts seat |
| 197 | | . Filamented supporting surface |
| 198 | | . Laminated leaf spring-mounted |
| 199 | | . Pneumatic cushion |
| 200 | | . . Plural independent compartments |
| 201 | | . Sectional or split relatively movable supporting surface |
| 202 | | . Depressed portion spaces body supporting surfaces |
| 203 | | . Rear end supported on inclined rod independently of support for front end |
| 204 | | . With means to adjustably set tautness of supporting surface |
| 205 | | . . Rod mounting bracket includes tautness setting means |
| 206 | | . . Front spring adjustably clamped to rear spring |
| 207 | | . . Threaded adjusting means extends longitudinally of seat |
| 208 | | . Coil spring-mounted |
| 209 | | . . Vertically oriented |
| 210 | | . . . Serially arranged tension and compression springs |
| 211 | | . . . Parallel stems each supported by encircling spring |
| 212 | | . . . Rear coil directly secured to front connected member |
| 213 | | . . Axis extends laterally of seat |
| 214 | | . With cushioned top |
| 215 | | . Bow spring-mounted |
| 215.1 | | . Including an upwardly extending portion at rear of seat |
| 215.11 | | . . Extends upwardly above waist to provide back support |
| 215.12 | | . . . Movable back support |
| 215.13 | | . Adjustable to plural use positions |
| 215.14 | | . . Longitudinally |
| 215.15 | | . . Angularly |
| 215.16 | | . Molded plastic saddle |
| 216.1 | | CRASH SEAT |
| 216.11 | | . Force-absorbing means incorporated into child seat |
| 216.12 | | . Force-absorbing means incorporated into headrest area |
| 216.13 | | . Force-absorbing means incorporated into back |
| 216.14 | | . . For absorbing rear-impact force |
| 216.15 | | . Bottom and back interconnected for relative concurrent movement |
| 216.16 | | . Bottom and back movable as unit in response to force |
| 216.17 | | . . Rectilinearly vertically |
| 216.18 | | . . In horizontal plane |
| 216.19 | | . . Tiltably |
| 216.2 | | . . . Mounted on support legs |
| 217.1 | | COMBINED |
| 217.2 | | . With measuring device |
| 217.3 | | . With electrical feature |
| 217.4 | | . . Sound producing |
| 217.5 | | . . . Enclosure |
| 217.6 | | . . Illumination |
| 217.7 | | . Mounted on accommodating platform (e.g., stairs, deck, etc.) |
| 218.1 | | UPHOLSTERY COVER DETACHABLY CONNECTED TO FRAME |
| 218.2 | | . Cover connector attached to cushion |
| 218.3 | | . Cover attached by an element mounted to the frame |
| 218.4 | | . Cover connector mounted by hem inserted elongated member (e.g., drawstring, bar, etc.) |
| 218.5 | | . Cover attached to frame by separate element |
| 219.1 | | DETACHABLE SUPPLEMENTAL FLEXIBLE PAD OR COVER |
| 219.11 | | . For straddle seat |
| 219.12 | | . For child seat |
| 220 | | . Headrest |
| 221 | | . . With cover supply |
| 222 | | . . . With cutter |
| 223 | | . Reversible or with replaceable section |
| 224 | | . With elastic section |
| 225 | | . Wraparound one-piece bottom, back, and shoulder or arm |
| 226 | | . Hem-inserted keeper bar |
| 227 | | . Armrest |
| 228 | | . . And bottom or back cover formed of one piece |
| 228.1 | | . Slipcover for bottom or back |
| 228.11 | | . Having flexible hem-inserted securing means (e.g., drawstring, elastic band, etc.) |
| 228.12 | | . Having elongated flexible free-end securing means |
| 228.13 | | . Having rigid or semirigid securing member (e.g., zipper, hook, ring, snap, button, etc.) |
| 229 | | . One-piece bottom and back |
| 230.1 | | SUPPLEMENTAL BACK |
| 230.11 | | . Flexible occupant back-engaging surface spans framework |
| 230.12 | | . Including a rigid panel |
| 230.13 | | . Back and supplemental back together form occupant back-engaging surface |
| 230.14 | | . Including a means to adjust supplemental back relative to a seat back |
| 250.1 | | SUPPLEMENTAL SEAT (E.G., CHILD SEAT, ETC.) |
| 251 | | . Armrest-supported |
| 252 | | . Fore or aft board straddling clamps |
| 253 | | . Secured by bottom-back crevice |
| 254 | | . Back-connected |
| 255 | | . . Collapsible or foldable unit |
| 256 | | . . . Rigid panel-type bottom |
| 256.1 | | . Adjustable to plural operative positions |
| 256.11 | | . . Vertically |
| 256.12 | | . . About a vertical axis; i.e., rotates |
| 256.13 | | . . Tiltable |
| 256.14 | | . . Reversible |
| 256.15 | | . Having a front guard or barrier |
| 256.16 | | . Detachably mounted to a support base |
| 256.17 | | . For shopping cart |
| 232 | | PLURAL RELATED SEATS |
| 233 | | . Combinable to form single seat |
| 234 | | . Movement of one seat effects storage of either seat |
| 235 | | . . Both move to effect storage of one |
| 236 | | . . Moving seat stores within or beneath other bottom |
| 237 | | . . . Stored seat withdraws to substitute for other |
| 238 | | . . Within back |
| 239 | | . Nested |
| 240 | | . Relatively rotatable |
| 241 | | . . One seat has floor roller |
| 242 | | . . Coaxially |
| 243 | | . Tandem |
| 244 | | . Oppositely facing |
| 245 | | . Face to face |
| 246 | | . . Oscillating on rollers |
| 247 | | . . Oscillating on rockers |
| 248 | | . Coupled side-by-side |
| 249 | | . . Adjustable within or to arcuate row |
| 257 | | . Relatively movable |
| 258.1 | | ROCKER-MOUNTED |
| 259.1 | | . Bottom connected to rocker for movement supplemental to rocking motion |
| 259.2 | | . . Providing reclining motion |
| 259.3 | | . . Providing swinging motion |
| 259.4 | | . . Spring attached |
| 260.1 | | . With means to impart rocking motion |
| 260.2 | | . . Motor operated |
| 260.3 | | . . Actuating footrest |
| 261.1 | | . Track-mounted rocker (e.g., platform rocker) |
| 261.2 | | . . Providing grooved guide |
| 261.3 | | . . . With anti-friction means |
| 261.4 | | . . Rocker pivotally connected to track |
| 262.1 | | . . Meshed teeth engagement |
| 263.1 | | . . Rotatable about vertical axis to reorientate chair |
| 263.2 | | . . . Having anti-friction means to facilitate rotation |
| 264.1 | | . . Spring return to neutral position |
| 265.1 | | . . . Coil spring |
| 266.1 | | . . . . Extensible |
| 267.1 | | . . . . . With opposing compressible coil spring |
| 268.1 | | . . . Leaf spring |
| 268.2 | | . . . Transversely extending spring (e.g., torsion bar) |
| 269.1 | | . . With mean to lock rockers to track |
| 270.1 | | . With means to limit or inhibit rocking motion |
| 270.2 | | . . Pivotal stop |
| 270.3 | | . . Plural stops |
| 270.4 | | . . To plural operative positions |
| 270.5 | | . . Stop engages ground |
| 271.1 | | . With attached footrest or legrest |
| 271.2 | | . . Mounted on roller or wheel |
| 271.3 | | . . Adjustable |
| 271.4 | | . . Pivotally connected to bottom or support frame |
| 271.5 | | . With floor or ground contacting rocker |
| 271.6 | | . . Having curved rail |
| 272.1 | | . Rocker attachment |
| 272.2 | | . . Cushion or shoe |
| 272.3 | | . . . Inflatable |
| 272.4 | | . . Tip, guard, or shield |
| 273 | | OSCILLATING SUSPENDER CONNECTED TO OR THROUGH ADJUNCTIVE REST |
| 274 | | . Baby jumper type |
| 275 | | . . With belt or garment restrainer |
| 276 | | . Suspender passes through armrest to bottom |
| 277 | | . Suspender connected to back |
| 278 | | . . Adjustable connection for movement relative to bottom |
| 279 | | . . And legrest or footrest |
| 280 | | . . And armrest or side frame |
| 281 | | . Armrest or side frame-connected |
| 282 | | . . Bottom dependent from subjacently mounted armrest |
| 283.1 | | CHANGEABLE OR REVERSIBLE SUPPORTING SURFACE |
| 283.2 | | . Back and bottom |
| 283.3 | | . Back |
| 283.4 | | . Headrest |
| 284.1 | | BOTTOM OR BACK WITH MEANS TO ALTER CONTOUR |
| 284.2 | | . Having adjustment means for seat surface tension |
| 284.3 | | . Having a plurality of adjacent relatively adjustable sections |
| 284.4 | | . Providing support for lower back (i.e., lumbar) region |
| 284.5 | | . . Portable with seat attacher |
| 284.6 | | . . Having a fluent material within flexible container |
| 284.7 | | . . Rectilinear vertical adjustment |
| 284.8 | | . . Rectilinear horizontal adjustment |
| 284.9 | | . Providing support for the sides of a seated occupant |
| 284.11 | | . Located at the front of the seat bottom |
| 285 | | BACK MOVEMENT RESILIENTLY OPPOSED IN OPERATING POSITION |
| 286 | | . Resilient support includes armrest |
| 287 | | . . Integral leg and armrest |
| 288 | | . . . Rear leg |
| 289 | | . . Rearward back tilting axially compresses spring |
| 290 | | . . Spring leaf or spring rod armrest |
| 291 | | . Spring centers back on pivot |
| 292 | | . Coil spring surrounds horizontal pivot |
| 293 | | . Coil spring comprises horizontal pivot |
| 294 | | . Resilient leg integral with bottom or back |
| 295 | | . . Bottom and back |
| 296 | | . Back secured to resilient upright bar or rod |
| 297 | | . . Bar or rod rigidly secured to bottom |
| 298 | | . . Bar or rod operatively adjustable with respect to bottom |
| 299 | | . Spring mounts terminal of back |
| 300.1 | | . Back and seat adjust simultaneously |
| 300.2 | | . . Back tilts while seat inclination adjusts |
| 300.3 | | . . . Fluid-spring |
| 300.4 | | . . . Torsion bar or torsion spring |
| 300.5 | | . . . Coil spring |
| 300.6 | | . . . Including back limiting device |
| 300.7 | | . . . . Adjustable |
| 300.8 | | . . . . . Manually |
| 301.1 | | . Back adjusts independent of seat |
| 301.2 | | . . Fluid-spring |
| 301.3 | | . . Torsion bar or torsion spring |
| 301.4 | | . . Coil spring |
| 301.5 | | . . Including back movement limiting device |
| 301.6 | | . . . Adjustable |
| 301.7 | | . . . . Manually |
| 302.1 | | . Back and bottom adjust in a fixed relationship |
| 302.2 | | . . Fluid-spring |
| 302.3 | | . . Torsion bar or torsion spring |
| 302.4 | | . . Coil spring |
| 302.5 | | . . Including back movement limiting device |
| 302.6 | | . . . Adjustable |
| 302.7 | | . . . . Manually |
| 303.1 | | . Adjustable resistance |
| 303.2 | | . . Fluid spring |
| 303.3 | | . . Torsion bar or torsion spring |
| 303.4 | | . . Coil spring |
| 303.5 | | . . . Coaxial adjustment member extends through coil |
| 307 | | . Constantly oriented during up-and-down movement |
| 308 | | . . Back immovable relative to bottom |
| 309 | | . . Bottom component resiliently supports back |
| 310 | | WITH MEANS TO CONTROL REARWARD CHAIR TIPPING |
| 311 | | MOVABLE BOTTOM |
| 312 | | . Independently movable resilient bottom sections |
| 313 | | . Tiltable |
| 314 | | . . Laterally |
| 315 | | . . . With laterally folding back |
| 316 | | . . Interconnected with back for relative concurrent movement |
| 317 | | . . . Bottom slides forwardly while tilting |
| 318 | | . . . . On roller |
| 319 | | . . . Back-actuated cam tilts bottom |
| 320 | | . . . Back supports rear of bottom |
| 321 | | . . . . Front of bottom carried by link |
| 322 | | . . . Bottom tilts with concurrent horizontal movement |
| 323 | | . . . With armrest interconnected for mutual movement |
| 324 | | . . . Back moved by folding of bottom |
| 325 | | . . Bottom and back tiltable as unit |
| 326 | | . . . About stationary horizontal pivot |
| 327 | | . . . . To plural use positions |
| 328 | | . . . . . With set means horizontally spaced from pivot |
| 329 | | . . . With concurrent horizontal movement |
| 330 | | . . Motor actuated |
| 331 | | . . Movable to inoperative position |
| 332 | | . . . Biased to position |
| 333 | | . . . . Spring axis coaxial with pivot axis of bottom |
| 334 | | . . . On link |
| 335 | | . . . About stationary horizontal pivot |
| 336 | | . . . . Disengages holding abutment rearwardly of pivot |
| 337 | | . Movable independently of back |
| 338 | | . . Vertically |
| 339 | | . . . With force-multiplying means |
| 340 | | . Interconnected with back for relative concurrent movement |
| 341 | | . . Back tilts and bottom moves forwardly |
| 342 | | . . . Rearwardly tilting of back |
| 343 | | . . . . Back slidably connected to back support |
| 344.1 | | . Bottom and back movable as a unit |
| 344.11 | | . . Mounted for horizontal oscillating movement |
| 344.12 | | . . Vertically adjustable |
| 344.13 | | . . . And horizontally adjustable |
| 344.14 | | . . . Horizontal movement concurrent with vertical movement; i.e., oblique movement |
| 344.15 | | . . . Pivotal linkage assembly |
| 344.16 | | . . . . Gas or hydraulic cylinder |
| 344.17 | | . . . . Motor actuated |
| 344.18 | | . . . Slidably coupled components (e.g., telescoped, etc.) |
| 344.19 | | . . . . Gas or hydraulic cylinder |
| 344.2 | | . . . . Motor actuated |
| 344.21 | | . . About vertical axis; i.e., rotates |
| 344.22 | | . . . Including means to lock unit at distinct rotated positions |
| 344.23 | | . . . . Motor actuated |
| 344.24 | | . . . Having additional movement in horizontal plane |
| 344.25 | | . . . Back tilted to permit seat rotation |
| 344.26 | | . . . Including antifriction feature (e.g., ball bearings, etc.) |
| 350 | | LATERALLY FOLDING OR COLLAPSING BACK |
| 351 | | . One-piece bottom and back |
| 352 | | PORTABLE BACK WITH BOTTOM ATTACHER |
| 353 | | MOVABLE BACK |
| 354.1 | | . Tiltable |
| 354.11 | | . . Pivot axis located at or adjacent to a central point of back |
| 354.12 | | . . Plural distinct occupant-supporting positions |
| 354.13 | | . . . Movable to a rear-horizontal position |
| 356 | | . . . Full stroke adjusting mechanism |
| 357 | | . . . Vertical displacement of back disengages holder |
| 358 | | . . . Common actuator adjusts height and inclination |
| 359 | | . . . Back-pivoted armrest carries latch or holder |
| 360 | | . . . . Bottom-pivoted armrest |
| 361.1 | | . . . Mechanical operator tilts back fore and aft |
| 362 | | . . . . Gear train |
| 362.11 | | . . . . Motor actuated |
| 362.12 | | . . . . Actuated shaft |
| 362.13 | | . . . . . Gas or hydraulic cylinder |
| 362.14 | | . . . . . Threaded shaft |
| 363 | | . . . Axially slidable bolt or pawl |
| 364 | | . . . . Spring-pressed |
| 365 | | . . . . . Engages movable rack |
| 366 | | . . . Rack and pawl |
| 367 | | . . . . Actuator disengages pawl |
| 368 | | . . . . . Actuator rigid with pawl |
| 369 | | . . . . . . Spring-pressed |
| 370 | | . . . . Actuator disengages rack |
| 371 | | . . . . . Actuator rigid with rack |
| 372 | | . . . . Depending pawl or rack prop pivoted to back |
| 373 | | . . . Serrated clamp hinge |
| 374 | | . . . Friction detent |
| 375 | | . . . . Clamp acts on axially moving rod |
| 376 | | . . . . Pin and slot |
| 377 | | . . . Held by prop behind back |
| 378.1 | | . . Foldable forwardly over bottom |
| 378.11 | | . . . Including an inertia-responsive latch |
| 378.12 | | . . . Held erect by a releasable latch |
| 378.13 | | . . . . Latch element supported by a structure separated from chair or seat (e.g., vehicle mounted striker, etc.) |
| 378.14 | | . . . Including means to hold back in forwardly folded position |
| 380 | | . . . Tension tie supports back |
| 381 | | . . . . Armrest tie |
| 382 | | . . . Fabric hinges bottom to back |
| 383 | | . Horizontally |
| 391 | | HEADREST |
| 392 | | . Chin support |
| 393 | | . Occupant attached |
| 394 | | . Detachable headrest and armrest unit |
| 395 | | . Wall- or ceiling-supported |
| 396 | | . Extension of upper back |
| 397 | | . Portable, with seat attacher |
| 398 | | . . Laterally collapsible |
| 399 | | . . U-clamp mounted |
| 400 | | . . . Adjustable |
| 401 | | . . . . Spring clamp |
| 402 | | . . . . Screw clamp |
| 403 | | . Movable to inoperative position rearwardly of back |
| 404 | | . Resiliently mounted |
| 405 | | . Ball- and socket-mounted |
| 406 | | . Adjustable laterally |
| 407 | | . . On shiftable mounting |
| 408 | | . Angularly movable about horizontal axis |
| 409 | | . . With horizontal translator |
| 410 | | . Adjustable rectilinearly vertically |
| 411.1 | | SUPPORT FOR ARMPIT |
| 411.2 | | ARMREST |
| 411.21 | | . Mounted to structure other than a chair or seat component |
| 411.22 | | . . Sill suspended |
| 411.23 | | . Attachable to diverse chairs or seats; i.e., portable |
| 411.24 | | . . Supported by a seating surface |
| 411.25 | | . . Connected to a back |
| 411.26 | | . Detachably interfitted to a particular chair or seat at a connecting joint |
| 411.27 | | . . To bottom |
| 411.28 | | . . . And to back |
| 411.29 | | . . To back only |
| 411.3 | | . Movable to nonuse position |
| 411.31 | | . . Armrest or its supporting member movable about a vertical axis |
| 411.32 | | . . Armrest or its supporting member movable about a horizontal axis |
| 411.33 | | . . . Supporting member movable about plural horizontal axes |
| 411.34 | | . . . Axis parallel to a lateral edge of bottom |
| 411.35 | | . Adjustable to multiple use positions relative to bottom or back |
| 411.36 | | . . Vertically |
| 411.37 | | . . Laterally |
| 411.38 | | . . Angularly |
| 411.39 | | . . . Angular adjustment coincides with tilting of the back for relative concurrent movement |
| 411.4 | | . Single element forms plural spaced armrests of a chair or seat |
| 411.41 | | . . And portion of back |
| 411.42 | | . Formed as one-piece with front leg |
| 411.43 | | . Connected to back and front leg |
| 411.44 | | . Connected to back and bottom |
| 411.45 | | . Mounted on an upwardly extending side panel |
| 411.46 | | . Upholstered |
| 423.1 | | REST FOR KNEE, LEG, OR FOOT |
| 423.11 | | . For occupant`s knee or shin (e.g., sit-kneel type of chair, etc.) |
| 423.12 | | . . Adjustable relative to chair or seat to plural use positions |
| 423.13 | | . . Convertible to a chair or seat without kneerest |
| 423.14 | | . For nonoccupant use (e.g., shoe salesman`s stool, etc.) |
| 423.15 | | . . Rest at rear of chair or seat |
| 423.16 | | . . Kneeling stool |
| 423.17 | | . Including a portion engaging a side of occupant`s leg |
| 423.18 | | . Having substitute footrest |
| 423.19 | | . Connected to chair or seat for relative movement |
| 423.2 | | . . Horizontally slidable from beneath bottom to a position in front of bottom |
| 423.21 | | . . . Having a floor-engaging support |
| 423.22 | | . . . Having additional movement to an operative position |
| 423.23 | | . . . . Including means for adjusting the rest to plural operative positions |
| 423.24 | | . . . . . Angular adjusting means |
| 423.25 | | . . Footrest movably connected to an upright support fixed to chair or seat |
| 423.26 | | . . Pivoted for vertical swinging (i.e., about horizontal axis) |
| 423.27 | | . . . Having a floor-engaging support |
| 423.28 | | . . . Pivoted to an unusable position beneath bottom |
| 423.29 | | . . . Pivot axis parallel to lateral edge of bottom |
| 423.3 | | . . . Pivot axis adjacent and parallel to front edge of bottom |
| 423.31 | | . . . . Held by a prop behind rest |
| 423.32 | | . . . . . Prop adjusts rest to plural use positions |
| 423.33 | | . . . . . . Adjustable friction detent |
| 423.34 | | . . . . Footrest moves relative to legrest |
| 423.35 | | . . . . . Pivotally movable footrest |
| 423.36 | | . . . . . Slidably adjustable footrest |
| 423.37 | | . . Pivoted for lateral swinging; i.e., about vertical axis |
| 423.38 | | . . Rectilinearly in vertical direction |
| 423.39 | | . Portable |
| 423.4 | | . . Connectable to a chair or seat |
| 423.41 | | . . Self-supported |
| 423.42 | | . . . Resiliently mounted |
| 423.43 | | . . . Rocker type |
| 423.44 | | . . . Adjustable to plural operative positions |
| 423.45 | | . . . . Rectilinearly in vertical direction |
| 423.46 | | . . . . Angularly |
| 440.1 | | HAVING DETACHABLY INTERFITTING PARTS OR COMPONENTS; I.E., KNOCKDOWN |
| 440.11 | | . Detachable fabric component |
| 440.12 | | . Sheet material folded to form a chair or seat |
| 440.13 | | . Slotted components normal to each other |
| 440.14 | | . Modular components |
| 440.15 | | . Interfitted back and bottom or back frame and bottom frame |
| 440.16 | | . . Including a substantially upright post slidably inserted into an elongated recess |
| 440.17 | | . . One-piece back and arm |
| 440.18 | | . . One-piece back and leg |
| 440.19 | | . . . Front leg |
| 440.2 | | . Interfitted back and back frame |
| 440.21 | | . . Including a substantially upright post slidably inserted into an elongated recess |
| 440.22 | | . Interfitted bottom and bottom frame |
| 440.23 | | . Front, rear legs, and armrest together form a unit detachable from bottom or back |
| 440.24 | | . Telescoping hollow parts or components |
| 445.1 | | BOTTOM, BACK AND LEG (I.E., CHAIR) |
| 446.1 | | . Back or back standard integral with leg |
| 446.2 | | . . Integral with plural rear legs |
| 447.1 | | . . Front leg |
| 447.2 | | . . . Integral with plural front legs |
| 447.3 | | . . . And forms lateral sides of bottom |
| 447.4 | | . . Legs interbraced between bottom and ground |
| 448.1 | | . Front leg integral with rear leg |
| 448.2 | | . . Extends along ground surface |
| 449.1 | | . Interbraced bottom, back and leg |
| 450.1 | | . Back or bottom connected at lateral side to end support |
| 451.1 | | . Back standard secured below or to underside of bottom |
| 451.2 | | . Three support legs only |
| 451.3 | | . Two support legs only |
| 451.4 | | . Single non-moving support leg |
| 451.5 | | . . Cylindrial leg |
| 451.6 | | . . . Having diameter equal to that of bottom |
| 451.7 | | . Resilient bottom and leg |
| 451.8 | | . Modular component |
| 451.9 | | . Woven material (e.g., cane or basket chair) |
| 451.11 | | . Plastic material |
| 451.12 | | . . Integral bottom, back and leg |
| 451.13 | | . . Hollow component |
| 452.1 | | BOTTOM OR BACK |
| 452.11 | | . Directly connected bottom and back |
| 452.12 | | . . One-piece panel |
| 452.13 | | . . . Flexible panel fixed to a frame (e.g., fabric, elastomeric sheet, etc.) |
| 452.14 | | . . . Rigid or semirigid plastic panel |
| 452.15 | | . . . . Including means to provide or enhance resiliency (e.g., slits, grooves, etc.) |
| 452.16 | | . . Interconnected cushions for bottom and back |
| 452.17 | | . . . Continuous cushioning material (e.g., one-piece cushion, bean bag, etc.) |
| 452.18 | | . Framework |
| 452.19 | | . . Continuous bottom and back frame |
| 452.2 | | . . Having elongated hollow member (e.g., tubular, etc.) |
| 452.21 | | . Contoured bottom |
| 452.22 | | . . Planar bottom with a central recess |
| 452.23 | | . . Laterally extending contour |
| 452.24 | | . . . Contoured rigid base |
| 452.25 | | . . . . Including symmetrical thigh-support portions |
| 452.26 | | . . . Preshaped foam pad |
| 452.27 | | . . . . Different densities of foam |
| 452.28 | | . . . Custom fitted for a particular occupant |
| 452.29 | | . Contoured back |
| 452.3 | | . . For lower back; i.e., lumbar region |
| 452.31 | | . . . Rigid or semirigid preshaped panel |
| 452.32 | | . . . Preshaped cushioning material |
| 452.33 | | . . Laterally extending contour |
| 452.34 | | . . . Including a projected side member |
| 452.35 | | . . . . Preshaped cushioning material |
| 452.36 | | . . . . Rigid or semirigid preshaped panel |
| 452.37 | | . . Having varying density foam |
| 452.38 | | . Having a trim panel |
| 452.39 | | . Cantilevered bottom or back |
| 452.4 | | . Having a laterally adjustable dimension |
| 452.41 | | . Having fluent material |
| 452.42 | | . Including a ventilating means |
| 452.43 | | . . Supplemental ventilating pad |
| 452.44 | | . . . Wire spring element between pads` layers |
| 452.45 | | . . . Projecting elements |
| 452.46 | | . . Apertures in primary bottom or back |
| 452.47 | | . . . Aperture in upholstery |
| 452.48 | | . Cushioned |
| 452.49 | | . . Including a support spring |
| 452.5 | | . . . Coil compression spring |
| 452.51 | | . . . . Encapsulated by cushion |
| 452.52 | | . . . Noncoil wire spring (e.g., linear or sinuous wires, etc.) |
| 452.53 | | . . . . Encapsulated by cushion |
| 452.54 | | . . . Spring integral with frame of bottom or back |
| 452.55 | | . . Including a support panel (e.g., pan-type seat, etc.) |
| 452.56 | | . . . Flexible panel (e.g., fabric or elastomeric sheet, web, etc.) |
| 452.57 | | . . . Encapsulated panel |
| 452.58 | | . . Having a fixed cover |
| 452.59 | | . . . Fastened to a support framework |
| 452.6 | | . . . . Including a fixing means extending through cushioning material |
| 452.61 | | . . . Bonded to cushioning material |
| 452.62 | | . . . Cover formed from a plurality of discrete sections |
| 452.63 | | . Made of individual elongated members extending across a support frame (e.g., webs, straps, slats, stringed beads, etc.) |
| 452.64 | | . . Intermeshed (e.g., crisscrossed, etc.) |
| 452.65 | | . Rigid or semirigid hollow shell |
| 461 | | PADDED STOOL |
| 462 | | . Hassock type |
| 464 | | BODY OR OCCUPANT RESTRAINT OR CONFINEMENT |
| 465 | | . Jacket, vest, or suit restraint |
| 466 | | . Leg or arm restraint |
| 467 | | . Having crotch strap or post |
| 468 | | . Safety belt or harness; e.g., lap belt or shoulder harness |
| 469 | | . . Passive restraint system |
| 470 | | . . With means to absorb energy of acceleration |
| 471 | | . . . Deformable or stretchable element |
| 472 | | . . . . Element is permanently deformed; i.e., one-time use |
| 473 | | . . Belt or harness rides on seat connected slide |
| 474 | | . . Retractable |
| 475 | | . . . Belt winds upon take-up reel |
| 476 | | . . . . Having means to lock belt against further extension when in its occupant-restraining position |
| 477 | | . . . . . Electrically operated |
| 478 | | . . . . . Inertia actuated |
| 479 | | . . . Having means to lock belt against further extension when in its occupant-restraining position |
| 480 | | . . Inertia-responsive locking or tightening of belt or harness |
| 481 | | . . Having means for storage in nonuse position or in position to be handy for use |
| 482 | | . . Belt or belt anchor covers |
| 483 | | . . Shoulder belt or harness |
| 484 | | . . . Engageable with both shoulders of occupant |
| 485 | | . . Having means providing easily releasable attachment to a chair or seat |
| 486 | | . Shoulder restraint |
| 487 | | . Front guard or barrier |
| 488 | | . . Padded or cushioned member |
| 463.1 | | CHAIR HARDWARE OR ATTACHMENT (E.G., BRACKET, OPERATING LEVER, LEG EXTENSION, ETC.) |
| 463.2 | | MISCELLANEOUS |
| | | ****************************** |
| | | CROSS-REFERENCE ART COLLECTION |
| | | ****************************** |
| 900 | | CHAIR FOR SUNTANNING IN THE PRONE (I.E., FACEDOWN) POSITION |
| | | ****************************** |
| | | DIGESTS |
| | | ****************************** |
| DIG 1 | | Foam |
| DIG 2 | | Molded |
| DIG 3 | | Pneumatic |
| DIG 4 | | Wheelchair |
| DIG 5 | | Fireproof |
| DIG 6 | | Velcro |
| DIG 7 | | Rocker/recliner |
| DIG 8 | | Inflatable bellows |
| DIG 10 | | Occupant-arising assist |
| DIG 11 | | Baby bouncer |
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