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 Class   271SHEET FEEDING OR DELIVERING
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  1           SPECIAL ARTICLES
  2           . (1 indent ) Envelope
  3.01           DELIVERING TO STACK AND FEEDING THEREFROM
  3.02           . (1 indent ) Aligning at stack
  3.03           . (1 indent ) Intermediate tray
  3.04           . (1 indent ) With job divider (e.g., resettable bail bar or double bar separator)
  3.05           . (1 indent ) Feeding from bottom of stack
  3.06           .. (2 indent ) Control for feeding responsive to delivering
  3.07           .. (2 indent ) Pneumatic separating
  3.08           . (1 indent ) Feeding from top of stack
  3.09           .. (2 indent ) Control for feeding responsive to delivering
  3.11           .. (2 indent ) Pneumatic separating
  3.12           . (1 indent ) Sheets on edges
  3.13           . (1 indent ) With sheet sensor for selective location
  3.14           FEEDING AND DELIVERING
  3.15           . (1 indent ) Sensor located at the feeder and controls the delivering
  3.16           .. (2 indent ) Having timer
  3.17           . (1 indent ) Sensor located at the delivering and controls the feeding
  3.18           . (1 indent ) Conveyor releases to subsequent conveyor
  3.19           .. (2 indent ) With alternate conveying path
  3.2           .. (2 indent ) Including conveyor couple
  3.21           .. (2 indent ) On peripheral face of drum or belt
  3.22           ... (3 indent ) Pneumatic
  3.23           .. (2 indent ) Including pneumatic conveyor
  3.24           .. (2 indent ) Including gripper couple
  4.01           . (1 indent ) Separator and conveyor
  5           .. (2 indent ) Pneumatic separator
  6           .. (2 indent ) Continuous endless conveyor
  4.02           .. (2 indent ) Sensor located at the separator and controls the conveyor
  4.03           .. (2 indent ) Sensor located at the conveyor and controls the separator
  4.04           .. (2 indent ) Mechanically linked for simultaneous operation
  4.05           .. (2 indent ) Endless belt separator
  4.06           ... (3 indent ) To endless belt conveyor
  4.07           ... (3 indent ) To rotary conveyor
  4.08           .. (2 indent ) Rotary separator
  4.09           ... (3 indent ) To endless belt conveyor
  4.1           ... (3 indent ) To rotary conveyor
  4.11           .. (2 indent ) Reciprocating separator
  4.12           ... (3 indent ) To rotary conveyor
  7           . (1 indent ) Continuous endless conveyors
  8.1           FEEDING
  9.01           . (1 indent ) Multiple supplies
  9.02           .. (2 indent ) Sheet feeding from one supply controls feeding from another supply
  9.03           ... (3 indent ) Responsive to empty supply
  9.04           ... (3 indent ) Alternate feeding
  9.05           .. (2 indent ) Supply selection (e.g., sheet color)
  9.06           ... (3 indent ) Size selection
  9.07           .. (2 indent ) Single separator acts on multiple supplies
  9.08           ... (3 indent ) Movably mounted supply
  9.09           .. (2 indent ) Including manual supply
  9.1           .. (2 indent ) Including continuous web supply
  9.11           .. (2 indent ) Superposed supplies
  9.12           .. (2 indent ) Juxtaposed supplies
  9.13           .. (2 indent ) With convergence to single path
  10.01           . (1 indent ) Separator and conveyor
  11           .. (2 indent ) Pneumatic separator
  12           ... (3 indent ) Endless conveyor
  13           .... (4 indent ) Side aligner
  14           ... (3 indent ) Reciprocating conveyor
  15           ... (3 indent ) Side aligner
  16           .. (2 indent ) Buckling separator and endless conveyor
  17           ... (3 indent ) Side aligner
  10.02           .. (2 indent ) Sensor located at the separator and controls the conveyor
  10.03           .. (2 indent ) Sensor located at the conveyor and controls the separator
  10.04           .. (2 indent ) Mechanically linked for simultaneous operation
  10.05           .. (2 indent ) Selective drive (e.g., number of degree of rotation)
  10.06           .. (2 indent ) Endless belt separator
  10.07           ... (3 indent ) To endless belt conveyor
  10.08           ... (3 indent ) To rotary conveyor
  10.09           .. (2 indent ) Rotary separator
  10.1           ... (3 indent ) To endless belt conveyor
  10.11           ... (3 indent ) To rotary conveyor
  10.12           .... (4 indent ) With aligning
  10.13           .... (4 indent ) With clutch
  10.14           .. (2 indent ) Reciprocating separator
  10.15           ... (3 indent ) To endless belt conveyor
  10.16           ... (3 indent ) To rotary conveyor
  18           . (1 indent ) Separators
  18.1           .. (2 indent ) Magnetic or electrostatic
  18.2           ... (3 indent ) Cyclicly moving
  18.3           .. (2 indent ) Surface-piercing element(s)
  19           .. (2 indent ) Buckling
  20           ... (3 indent ) Pneumatic
  21           ... (3 indent ) Rotary
  22           .... (4 indent ) Pack advancer
  23           .... (4 indent ) Bottom feed
  24           ... (3 indent ) Pack advancer
  25           .... (4 indent ) Feeler control
  90           .. (2 indent ) Pneumatic
  91           ... (3 indent ) Plural, relatively-moving suction members
  92           .... (4 indent ) Laterally receding members (e.g., for tautening sheet laterally)
  93           .... (4 indent ) Including members for separating and members for forwarding sheet
  94           ... (3 indent ) Unidirectionally-moving suction member or surface
  95           .... (4 indent ) Having additional movement
  96           .... (4 indent ) With means to adjust suction
  97           ... (3 indent ) Sheet removal by pressurized gas
  98           .... (4 indent ) And suction means
  99           ... (3 indent ) Suction member acting on bottom of pack
  100           .... (4 indent ) Oscillating member bending margin of bottom sheet
  101           .... (5 indent ) With moving segments supporting remainder of pack
  102           .... (4 indent ) Suction member reciprocating perpendicularly to sheet
  103           ... (3 indent ) Sheet-moving action of suction member results from engagement with sheet
  104           ... (3 indent ) With means to restrain feed of next sheet
  105           ... (3 indent ) Means effecting preliminary operation on sheets in pack
  106           .... (4 indent ) Suction member flexing sheet or portion
  107           ... (3 indent ) Oscillating suction member
  108           ... (3 indent ) Controlled by valve means
  30.1           ... (3 indent ) Pack advancer
  31           .... (4 indent ) Feeler control
  31.1           .... (4 indent ) Stack on edge
  33           .. (2 indent ) Adhesive
  34           .. (2 indent ) Endless belt
  35           ... (3 indent ) Bottom feed
  109           .. (2 indent ) Rotary
  37           ... (3 indent ) Preliminary protrusion
  38           .... (4 indent ) Feeler control
  110           ... (3 indent ) Control of separator responsive to sensing of sheet
  111           .... (4 indent ) Including plural separators or plural sensors
  112           ... (3 indent ) Suction assisted
  113           ... (3 indent ) Separator rotating in plane of foremost sheet
  114           ... (3 indent ) Variably or intermittently driven
  115           .... (4 indent ) In oscillatory movement
  116           .... (4 indent ) By over-running one-way drive
  117           ... (3 indent ) Separator adjustable or retractable relative to pack
  118           .... (4 indent ) Feed by successive approach and retraction
  119           ... (3 indent ) Separator having non-uniform periphery
  120           .... (4 indent ) Including relatively movable elements
  121           ... (3 indent ) With means to restrain feed of next sheet
  122           .... (4 indent ) By restrainer having rearwardly moving surface
  123           .... (4 indent ) By restrainer acting on rear end of sheet
  124           .... (4 indent ) By adjustable restrainer
  125           .... (5 indent ) Including restraining roller
  126           ... (3 indent ) With means to urge pack toward separator
  127           .... (4 indent ) Including pivoted pack holder
  42           .. (2 indent ) Reciprocating
  128           ... (3 indent ) With pack advancer
  129           .... (4 indent ) With sheet on edge
  130           .... (4 indent ) And feeler control for advancer
  131           ... (3 indent ) Bottom feed
  132           .... (4 indent ) Suction assisted
  133           .... (4 indent ) With means to prepare pack or bottom sheet for feeding
  134           .... (5 indent ) By relief of pack weight
  135           .... (5 indent ) By partial planar movement of bottom sheet
  136           .... (4 indent ) With means to skip or stop feed
  137           .... (4 indent ) With means to restrain feed of next sheet
  138           .... (5 indent ) By adjustable exit or throat
  139           .... (4 indent ) By pusher reciprocating variably or non-rectilinearly
  140           .... (5 indent ) Orbital (e.g., four-way) motion of pusher
  141           .... (4 indent ) By pin (e.g., pointed) pusher
  142           .... (4 indent ) By adjustable (e.g., for sheet thickness) pusher
  143           .... (4 indent ) By self-aligning (e.g., yieldable) pushers
  144           .... (4 indent ) Holder adjustable to size of sheet
  225           . (1 indent ) By means to change direction of sheet travel
  226           . (1 indent ) With means to align sheet
  227           .. (2 indent ) Responsive to sheet-sensor
  228           ... (3 indent ) To control gripper-couple moving sheet to alignment
  229           .. (2 indent ) With means to retard sheet before alignment
  230           ... (3 indent ) By member moved with sheet
  231           .... (4 indent ) Including suction retarder
  232           .. (2 indent ) Against aligner entering hole in sheet
  233           .. (2 indent ) Against rear-edge aligner
  234           .. (2 indent ) Against plural aligning assemblages
  235           ... (3 indent ) For incremental travel against successive front-edge aligners
  236           ... (3 indent ) For front and side alignment of sheet
  237           .... (4 indent ) Alignment of imbricated sheets
  238           .... (4 indent ) Including oppositely-disposed side-edge aligners
  239           ... (3 indent ) Plural aligners selectively used
  240           ... (3 indent ) Oppositely-disposed side-edge aligners
  241           .. (2 indent ) By aligning a sheet-holder and its sheets
  242           .. (2 indent ) Against temporarily-stopped conveyer
  243           .. (2 indent ) Against front-edge aligner moved in direction of sheet travel
  244           ... (3 indent ) By retro-moving front-edge aligner
  245           .. (2 indent ) Against front-edge aligner interposed into sheet path
  246           ... (3 indent ) Synchronized with intermittently-active conveyor-couple
  247           .... (4 indent ) Including sheet-margin gripper
  248           .. (2 indent ) Against aligner adjacent side edge of sheet
  249           ... (3 indent ) By shifting aligner and gripper-couple laterally of sheet travel
  250           ... (3 indent ) By means to shift sheet laterally against aligner
  251           .... (4 indent ) By oblique conveyor
  252           .... (4 indent ) By gripper-couple pulling sheet laterally
  253           .. (2 indent ) With means to adjust position of aligner
  254           ... (3 indent ) During operation of feeder
  255           ... (3 indent ) With indicator of aligner position
  256           . (1 indent ) With means to interrupt feeding
  258.01           .. (2 indent ) Responsive to sheet sensor
  259           ... (3 indent ) Plural sensors
  260           .... (4 indent ) Pneumatic sensors (e.g., to sense superposed sheets)
  261           .... (4 indent ) Laterally spaced sensors (e.g., to sense misalignment)
  262           ... (3 indent ) Excess-thickness sensor
  263           .... (4 indent ) To activate an electric circuit
  258.02           ... (3 indent ) Interrupts feeding upstream only
  258.03           ... (3 indent ) Single sensor with timer
  258.04           ... (3 indent ) Sensor operates warning indicator
  258.05           ... (3 indent ) Mechanical linkage
  257           .. (2 indent ) Manually controlled (e.g., for alternate-cycle feed)
  264           . (1 indent ) By means to convey sheet (e.g., from pack to operation)
  265.01           .. (2 indent ) Responsive to sheet sensor
  265.02           ... (3 indent ) Plural sensors
  265.03           .... (4 indent ) Laterally spaced sensors
  265.04           ... (3 indent ) Thickness sensor
  266           .. (2 indent ) With intermittent movement of the sheet
  267           .. (2 indent ) On oscillating or reciprocating conveyor
  268           ... (3 indent ) Including gripper-couple
  269           ... (3 indent ) Including rear-edge pusher
  270           .. (2 indent ) With means to vary speed of conveyor sheet
  271           .. (2 indent ) By rear-edge pusher
  272           .. (2 indent ) Between superposed conveyor couple
  273           ... (3 indent ) Having means to permit separation of couple
  274           .... (4 indent ) Including couple-elements resiliently urged together
  275           .. (2 indent ) On peripheral face of drum or belt
  276           ... (3 indent ) Including pneumatic means
  277           ... (3 indent ) Including gripper-couple
  145           . (1 indent ) Pack holders
  146           .. (2 indent ) With means to vibrate pack
  147           .. (2 indent ) Advancer
  148           ... (3 indent ) With means to move portions of advancer unequally (e.g., for unequal-thickness sheets)
  149           ... (3 indent ) For on-edge or imbricated sheets
  150           .... (4 indent ) Supported by moving conveyor belt
  151           .... (5 indent ) For imbricated sheets
  152           ... (3 indent ) Control of advancer responsive to sensing of foremost sheet
  153           .... (4 indent ) Sensor included in feed mechanism
  154           .... (4 indent ) Sensor activates electric or fluidic circuit
  155           .... (5 indent ) Controlled electric or fluidic motor actuates advancer
  156           .... (4 indent ) Controlled pawl and ratchet actuates advancer
  157           ... (3 indent ) With means to replenish pack or retract advancer platform
  158           .... (4 indent ) Using plural platforms during continuous operation of feeder
  159           .... (5 indent ) And plural drives for plural platforms
  160           ... (3 indent ) Urged by spring or weight
  161           .. (2 indent ) With means to bow sheets
  162           .. (2 indent ) Holder movable relative to feed position
  163           ... (3 indent ) Holder convertible from feed to delivery
  164           ... (3 indent ) Holder moved parallel to plane of sheets
  165           .. (2 indent ) For feed from bottom of pack
  166           ... (3 indent ) With means to relieve weight of pack
  167           .. (2 indent ) With means to restrain feed of next sheet
  168           ... (3 indent ) By sheet-impaling restrainer
  169           ... (3 indent ) By lateral margin or side-edge restrainer
  170           .... (4 indent ) Corner snubber
  171           .. (2 indent ) Holder adjustable to size of sheet
  278           DELIVERING
  279           . (1 indent ) Multiple discharge
  280           .. (2 indent ) For separating sheet from moving assemblage of sheets
  281           ... (3 indent ) By separating member moving in direction opposite of assemblage
  282           ... (3 indent ) By sheet attracting means
  283           .... (4 indent ) Pneumatic attracting means
  284           .... (5 indent ) Opposed pneumatic attracting means
  285           ... (3 indent ) With leading edges of sheets offset
  286           .... (4 indent ) With means to cause offset
  287           .. (2 indent ) Of successive sheets to plural receivers in succession
  288           ... (3 indent ) With control means to vary mode of operation
  289           .... (4 indent ) To bypass array of receivers
  290           .... (5 indent ) To route sheets to subsequent array of receivers
  291           ... (3 indent ) With selective actuation of means for inverting duplex sheets
  292           ... (3 indent ) With movable receivers or receiver portions
  293           .... (4 indent ) With means to increase spacing between receiver defining portions
  294           .... (4 indent ) Receivers moving into registry with delivery zone
  295           .... (5 indent ) Receivers arranged in rotary array
  296           ... (3 indent ) By diverter or conveyor moving past receivers
  297           ... (3 indent ) By individual diverter for each receiver
  298           .. (2 indent ) With means to program discharge destination
  299           .. (2 indent ) To laterally spaced receivers
  300           .. (2 indent ) By release from conveyor at plural locations
  301           .. (2 indent ) Selectively to recirculating path or exit
  302           .. (2 indent ) By conveyor section movable to direct sheets along alternate paths
  303           .. (2 indent ) With movable diverter
  304           ... (3 indent ) Bidirectionally rotating diverter roller
  305           ... (3 indent ) Individual diverter for each receiver
  65           . (1 indent ) Optional face or back
  66           .. (2 indent ) Endless conveyors to flies
  67           . (1 indent ) Endless conveyors to curtains
  69           . (1 indent ) Endless conveyors to other conveyors
  70           .. (2 indent ) To flies
  72           . (1 indent ) Rotary conveyors to flies
  73           . (1 indent ) Curtains
  306           . (1 indent ) With transfer means between conveyor and receiver
  307           .. (2 indent ) Means to strip sheets from engagement with moving conveyor
  308           ... (3 indent ) Stripper cyclically movable between stripping and nonstripping position
  309           ... (3 indent ) By air blast
  310           ... (3 indent ) By means to attract sheet from conveyor
  311           ... (3 indent ) Stripper normally in contact with conveyor surface
  312           ... (3 indent ) Stripper normally in spaced relation to conveyor surface
  313           .... (4 indent ) With means to maintain constant spacing of movable stripper
  175           .. (2 indent ) Means to drape sheets over horizontal bar
  176           .. (2 indent ) Responsive to delivered sheet
  177           .. (2 indent ) Means to push sheets out of edgewise into broadside movement (e.g., packer)
  178           ... (3 indent ) Rotating packer
  179           .... (4 indent ) Screw or helix
  180           ... (3 indent ) By reciprocating or oscillating packer
  181           .... (4 indent ) Packing sheets on-edge into receiver
  182           .. (2 indent ) Means to retard sheets
  183           ... (3 indent ) By suction retarder
  184           .. (2 indent ) Means to change orientation or direction of sheets during delivery
  185           ... (3 indent ) Orientation-changing means
  186           .... (4 indent ) Sheet inverting means
  187           .... (4 indent ) By rotating circumferential-pocket members
  188           .. (2 indent ) Means to bow sheets during delivery
  189           .. (2 indent ) Means temporarily interposed between conveyor and receiver
  190           ... (3 indent ) Transversely-disposed, gapped sheet-supports on endless carrier
  191           ... (3 indent ) Endless belt on reciprocating carrier
  192           ... (3 indent ) Counter-rotating supports for lateral margins
  193           . (1 indent ) By electrostatic or magnetic conveyor
  194           . (1 indent ) By pneumatic conveyor
  195           .. (2 indent ) Using pressurized gas
  196           .. (2 indent ) Unidirectionally-moving suction member or surface
  197           ... (3 indent ) Including endless-belt conveyor and suction chamber
  198           . (1 indent ) By endless conveyor
  199           .. (2 indent ) Operation controlled by delivered sheet
  200           .. (2 indent ) With delivery end movably relative to pack receiver
  201           ... (3 indent ) Moving away from increasing delivered pack
  202           .. (2 indent ) With means to vary speed of sheets on conveyor(s)
  203           ... (3 indent ) By cyclicly varying conveyor speed
  204           .. (2 indent ) Suspension gripper
  205           ... (3 indent ) For lateral margins of conveyed sheet
  206           ... (3 indent ) With means to adjust gripper
  314           . (1 indent ) Rotary conveyor
  315           .. (2 indent ) With circumferential pocket members
  81           .. (2 indent ) Traveling
  82           .. (2 indent ) Suspension gripper
  83           .. (2 indent ) Flies
  84           . (1 indent ) Reciprocating conveyors
  85           .. (2 indent ) Suspension gripper
  207           . (1 indent ) To receiver for pack of sheets
  208           .. (2 indent ) With means to discharge static electricity
  209           .. (2 indent ) With means to bow sheets
  210           .. (2 indent ) With means to vibrate receiver
  211           .. (2 indent ) With air cushion between sheet and pack
  212           .. (2 indent ) For receiving sheets from below the pack
  213           .. (2 indent ) With movable sheet-surface support
  214           ... (3 indent ) Receding from delivery zone (e.g., retractor)
  215           .... (4 indent ) Responsive to increase
  216           .... (4 indent ) Conveyor-receiver for imbricated sheets
  217           .... (4 indent ) Lowering as pack-height increases
  218           .... (5 indent ) With auxiliary support for part of pile
  219           .... (5 indent ) Spring-loaded support
  220           .. (2 indent ) With movable pack-limiting member(s) (e.g., hold-down)
  221           ... (3 indent ) And means to move members cyclicly against sheet edges (e.g., jogger)
  222           .... (4 indent ) And yieldable connection in moving means
  223           ... (3 indent ) Members adjustable to sheet size
  224           .... (4 indent ) Sheet-impact bumper member
 
 CROSS-REFERENCE ART COLLECTIONS
 
  900           STRIPPER
  901           MAGNETIC OPERATION
  902           REVERSE DIRECTION OF SHEET MOVEMENT
  903           TRAVELING WICKET (FOR STACK ON EDGE)
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS


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