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| Class 198 | CONVEYORS: POWER-DRIVEN |
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![[List of Pre Grant Publications for class 198 subclass 300]](../as.gif) | ![[List of Patents for class 198 subclass 300]](../ps.gif) | 300 | CONVEYING APPARATUS ENTIRELY SUPPORTED BY MOBILE GROUND ENGAGING MEANS |
| | 301 |  Condition responsive control means for vehicle or conveyor |
| | 302 | Retractable ground wheel |
| | 303 | Including three relatively movable interconnected wheel or track equipped vehicles |
| | 304 | Dirigible vehicle |
| | 306 | Ground wheel lockable in transverse or longitudinal position on vehicle |
| | 307.1 | Bucket conveyor |
| | 308.1 | Shovel or tine pushable under load |
| | 309 | Support slidable on ground |
| | 310 | Conveyor driven by motion of ground-engaging element |
| | 311 | Including gravity conveyor section or bin with driven conveyor |
| | 312 | Conveyor shiftably mounted on vehicle |
| | 321 | CONVEYOR OR ACCESSORY THEREFOR SPECIALIZED TO CONVEY PEOPLE |
| | 322 | With means to control the operation of the section |
| | 324 | With means to facilitate passenger entry or exit |
| | 326 | By stairway having steps forming an endless member |
| | 327 |  Having hinged plates forming steps |
| | 328 | Trained about vertical axis or axes |
| | 329 | With means allowing tensioning of the endless member |
| | 330 | With drive means |
| | 332 | With paired track step levelers |
| | 333 | With specified step structure |
| | 334 | By support means having a zone of varying speed |
| | 335 | Moving hand-support structure |
| | 339.1 | WITH MEANS TO FACILITATE WORKING, TREATING, OR INSPECTING CONVEYED LOAD AT A STATION |
| | 340 | Having signalling or load identifying means |
| | 341.01 | Condition responsive control of conveyor or station apparatus |
| | 341.02 | Conveyor displacement controls station apparatus |
| | 341.03 | Station operation responsive to presence or absence of item |
| | 341.04 |  Item size |
| | 341.05 | Item position relative to station position |
| | 341.06 | Quantity of items |
| | 341.07 | Item presence |
| | 341.08 | Conveyor responsive to station operation |
| | 343.1 | Load supporting conveyor portion is retarded or stopped with load at station without being disconnected from remainder of continuously moving conveyor |
| | 345.1 | Means engaging conveyor or load on a conveyor to align load for working |
| | 346 | Static means for supporting load or workman adjacent conveyor for operation on load |
| | 346.1 | Means to convey a palleted load back and forth between an initial location and the work station |
| | 346.2 | Means to transfer a load back and forth between the mainline conveyor and the work station |
| | 346.3 | Conveyor(s) lowers the load to at least one of a plurality of fixed work stations |
| | 347.1 | CONVEYOR SYSTEM HAVING AUXILIARY SECTION FOR STORING ITEMS MOVING BETWEEN SOURCE AND DESTINATION |
| | 347.2 | Auxiliary section has the same entrance and exit |
| | 347.4 | Plural laterally spaced, same direction auxiliary paths |
| | 348 | CONVEYOR ARRANGEMENT FOR SELECTING AMONG PLURAL SOURCES OR DESTINATIONS |
| | 357 | Condition responsive control means to prevent collision on merging conveyors |
| | 358 | Condition responsive control means including sensing condition of source or destination |
| | 349 | With selection responsive to means containing or introducing changeable operating instructions |
| | 349.1 | By synchronously moving signal carrier distinct from conveyor |
| | 349.5 | Using central memory to store code until article is discharged |
| | 350 | By magnetic means |
| | 351 | By selectively positioned abutment means |
| | 352 | Having plural abutments arranged in a specific pattern |
| | 353 | Having support means slidably mounting abutment means |
| | 354 | Having an abutment support containing a plurality of abutment receiving means |
| | 355 | By repositionable contact or switch actuator |
| | 359 | With gravity-conveying means |
| | 363 | By proportioning the feed from multiple sources |
| | 364 | By moving a load directing means along the length of the section |
| | 890 | Plural laterally spaced locations fed to or received from a conveyor having laterally movable article supports or pushers |
| | 367 | By passive material-diverting means placed across the flow path |
| | 367.1 | Material diverted by plural, successive gates |
| | 367.2 | Plural, manually manipulated gate actuators |
| | 368 | By a selectively movable stop means |
| | 369.1 | One of a plurality of main line conveyors selectively moves to connect with a spaced path |
| | 369.2 | Endless conveyor or portion thereof pivots about a horizontal axis perpendicular to path |
| | 369.3 | Endless conveyor or portion thereof pivots about an axis parallel to path |
| | 369.4 | Roller pivots about a vertical axis |
| | 369.5 | Endless conveyor or portion thereof pivots about a vertical axis |
| | 369.6 | Rollers shift the load vertically to a different plane |
| | 369.7 | Conveyor slides to provide an opening in main path |
| | 370.01 | By loading or unloading section at selected one of a plurality of pre-established locations along the length thereof |
| | 370.02 | Conveyor has independent lateral pushers |
| | 370.03 | Conveyor has independently movable load supporting portions |
| | 370.04 | Supporting portions tilt about an axis parallel to path of travel |
| | 370.05 | Supporting portions tilt vertically about an axis perpendicular to path of travel |
| | 370.06 | Supporting portions are laterally extending belts |
| | 370.07 | By separate reciprocating or oscillating pusher |
| | 370.08 | By separate endless or rotary pusher |
| | 370.09 | By separate supporting rollers |
| | 370.1 | By separate endless or rotary supporting conveyor |
| | 370.11 | By separate fluid jet |
| | 370.12 | By selective application of suction |
| | 370.13 | By selective application of magnetic field |
| | 371.1 | By reversibly driving the main line section |
| | 373 | CONVEYOR FOR CHANGING ATTITUDE OF ITEM RELATIVE TO CONVEYED DIRECTION |
| | 374 | By optionally facing successive items according to a predetermined recurring cycle |
| | 375 | By actuating item-holder relative to holder-carrying conveyor |
| | 376 | With holder-actuating means responsive to item-sensing means |
| | 377.01 | Holder carried by orbiting conveyor |
| | 377.02 | Holder rotates item about axis spaced from the item |
| | 377.03 |  Holder having load gripping element |
| | 377.04 |  Holder having vacuum or air blast element |
| | 377.05 | Holder having magnetic or electrostatic element |
| | 377.06 | Holder rotation stops at predetermined position |
| | 377.07 | Holder having load gripping element |
| | 377.08 | Holder having vacuum or air blast element |
| | 377.09 | Holder having magnetic or electrostatic element |
| | 377.1 | Holder rotation stops at predetermined position |
| | 378 | Holder or conveyor moves intermittently (e.g., for "indexing" load) |
| | 379 | By gripping item and turning item about fixed axis |
| | 380 | With pressurized fluid causing change in attitude |
| | 381 | With magnetism causing change in attitude |
| | 382 | By conveying randomly faced items and turning items to uniform facing |
| | 383 | Including significantly shaped portion of conveyor cooperating with significantly shaped item to face item |
| | 384 | Including orbiting progression of item-receiving pockets and means moving item within pocket |
| | 385 | By roller/finder to move item and/or fit surface indentation on item |
| | 387 | Pockets comprise grooved, transversely disposed rollers |
| | 388 | Including protruding portion of conveyor entering end of slotted or hollow item |
| | 389 | For shaped item suspended in or by shaped passageway |
| | 390 | For shaped item fitting outline of shaped passageway |
| | 391 | Via vibrating bowl having shaped passageway |
| | 392 | Via rotating means having shaped passageway or exit |
| | 393 | Including orbiting progression of item-fitting elements passing through supply of scrambled items |
| | 394 | By conveying an item that has a position characteristic and rotating the item until it is positioned |
| | 395 | With control means actuated in response to sensing of improperly faced item |
| | 396 | Including separating item from scrambled supply hopper |
| | 398 | By distinguishing between alternatively faced items and conveying uniformly faced items |
| | 401 | With control means for attitude-changer responsive to sensing of item |
| | 402 | For inverting successive items |
| | 406 | For changing both the elevation and the posture of successive items |
| | 407 | By plural, sequentially acting conveyors |
| | 408 | By an orbitally moving conveyor |
| | 409 | By an oscillating or reciprocating conveyor |
| | 410 | By plural distinct occurrences of turning each successive item |
| | 411 | By conveyor and means driven for turning successive conveyed items |
| | 412 | By means between successive conveyor sections or conveyor elements |
| | 415 | By plural, unequal-speed members simultaneously contacting and conveying items |
| | 416 | By member adjacent conveyor for contacting successive conveyed items |
| | 418 | CONVEYOR SYSTEM FOR ESTABLISHING AND MOVING A GROUP OF ITEMS |
| | 418.1 | Having items discharged from plural distinct outlets into group |
| | 418.2 | With outlets longitudinally spaced along path of progressively formed group |
| | 418.4 | With vertically aligned outlets discharging in the same direction and superposing items |
| | 418.5 | Having plural successive groups discharged by single conveyor into larger group |
| | 418.6 | Having conveyor drop grouped items simultaneously onto another conveyor |
| | 418.7 | Subdivides continuous item stream into longitudinally spaced groups |
| | 418.8 | By offsetting first or last article |
| | 418.9 | And imbricates items within group |
| | 419.1 | By item engaging stop means |
| | 419.2 | By different speed conveyors |
| | 426 | By shifting group of items simultaneously from stream conveyor to form a group |
| | 427 | And distributing items of group into plural streams |
| | 428 | By air blast or suction |
| | 429 | By reciprocating shifter |
| | 431 | By depositing items successively from one conveyor onto group conveyor |
| | 432 | By shifting group from row conveyor onto row conveyor |
| | 433 | By shifting group from row conveyor onto stream conveyor |
| | 434 | CONVEYOR SYSTEM FOR ARRANGING OR REARRANGING STREAM(S) OF ITEMS |
| | 435 | By distributing items onto vertically tiered conveyor/receiver |
| | 436 | By distributing items from one stream into plural streams |
| | 437 | With control means responsive to sensing means |
| | 438 | By air blast or suction diverter |
| | 439 | By magnetic diverter |
| | 440 | By orbiting progression of item engaging elements |
| | 442 | By interposing a guide into path of stream |
| | 443 | By queueing items from quantity source of items into stream(s) of items |
| | 444 | With control means responsive to sensing means |
| | 445 | Forming plural streams |
| | 448 | Merging plural streams (i.e., source) into one stream |
| | 449 | By synchronized orbiting progression of item-engaging elements |
| | 451 | By synchronized gate(s) in paths of plural streams |
| | 452 | By guide means in paths of streams |
| | 453 | Via throat for restricting flow of massed items |
| | 456 | By laterally or vertically moving successive items in longitudinally moving stream |
| | 457.01 | To change direction of longitudinally moving stream |
| | 457.02 | Item supporting rollers cause direction change |
| | 457.03 | Item supporting endless belt causes direction change |
| | 457.04 | Item supporting screw causes direction change |
| | 457.05 | Fixed guide causes direction change |
| | 457.06 | Nonsupporting endless belt causes direction change |
| | 457.07 | Nonsupporting rotary member causes direction change |
| | 458 | To respace plural streams laterally |
| | 459.1 | By longitudinally respacing successive articles in stream |
| | 459.2 | Rotating star wheel |
| | 459.3 | Rotating screw |
| | 459.5 | Fixed obstruction and means for moving articles over or around the obstruction |
| | 459.6 | Movable gate |
| | 459.8 | Endless or rotary conveyor having zone of varying speed |
| | 460.1 | With space-control means responsive to article sensing means |
| | 461.1 | By successive conveyors having dissimilar speeds |
| | 463.1 | CONVEYOR SYSTEM FOR MOVING A SPECIFIC LOAD AS A SEPARATE UNIT |
| | 463.2 | System includes a linear conveyor or portion thereof which bodily shifts transversely to move a load in synchronization with a transverse, continously operating conveyor section |
| | 463.3 | System includes linear conveyor or portion thereof which shifts to lift or lower load before or after linearly conveying load relative to adjacent conveyor section |
| | 463.4 | System includes gate means |
| | 463.5 | Load obstructing gate and means for lifting load over the obstruction |
| | 463.6 | Plural successively operated gate means |
| | 464.1 | System includes control means responsive to sensing means |
| | 465.1 | System includes a load supported by a conveyor portion which is separable from the conveyor drive |
| | 465.2 | Wherein the conveyor portion moves in a closed path in the horizontal plane only |
| | 465.3 | Wherein the conveyor portion is supported and driven adjacent its opposite sides by horizontally spaced drives |
| | 465.4 | Wherein the conveyor portion supports the load below the drive |
| | 466.1 | System includes a T-shaped or headed load suspended between parallel conveyors directly |
| | 467.1 | System includes a rotating screw |
| | 468.01 | System includes an oscillating or reciprocating load engaging element |
| | 468.2 | Comprising load gripping elements |
| | 468.3 | Gripping elements movable relative to one another to space articles in the load |
| | 468.4 | Suction gripping elements |
| | 468.5 | Magnetic or electrostatic gripping elements |
| | 468.6 | Engaging element moves load vertically and horizontally |
| | 468.8 | Engaging element moves load vertically only |
| | 468.9 | Engaging element moves load horizontally in a straight line |
| | 469.1 | System includes a rotating or endless carrier with a load engaging element |
| | 470.1 | Comprising a load gripping element |
| | 473.1 | Nongripping elements are adjustable or replaceable for different sized loads |
| | 474.1 | With means to move load engaging elements relative to carrier |
| | 475.1 | Whereby the load engaging component moves relative to the carrier to maintain load in a desired position during travel along a curved path |
| | 476.1 | Element is shifted to discharge or receive a load |
| | 478.1 | Carrier rotates about a fixed axis |
| | 482.1 | Means mounted on the engaging element to forceably eject the load from the element |
| | 483.1 | Means movably mounted inside the path of the element to eject the load |
| | 484.1 | Elements comprise a nongripping pair of members which self-open as they pass through a curved path |
| | 485.1 | Nongripping elements support the load below the endless carrier |
| | 487.1 | Nongripping elements are laterally projecting pins which engage the interior of a hollow load |
| | 493 | CONVEYOR HAVING IMPINGING FLUID TO FEED, SHIFT OR DISCHARGE LOAD; OR MEANS TO FACILITATE CLEANING OF CONVEYOR; OR STERILIZING OR LUBRICATING MEANS |
| | 494 | Having cleaning means |
| | 500 | Having lubricating means |
| | 502.1 | WITH ALARM OR INDICATOR |
| | 502.2 | Means for measuring dimensions (height, width, or length) of load on a conveyor |
| | 502.3 | Means for indicating position of unit load |
| | 502.4 | Means responsive to conveyor movement to indicate speed or to actuate alarm due to abnormal speed |
| | 506 | CONVEYOR HAVING MEANS SPECIALIZED FOR COLLECTING A LOAD FROM A STATIC SUPPORT (E.G., THE GROUND, ETC.) |
| | 507 | Having control means responsive to load condition or unsafe operating condition |
| | 508 | Having means to form a pile on a static support |
| | 509 | Having buckets specialized to gather load batches |
| | 510.1 | Power-driven feed means |
| | 511 | Having vertically adjustable feeding means |
| | 512 | Paired feeding means |
| | 517 | Reciprocating pusher feeding means |
| | 518 | Rotating feeding means |
| | 519 | Having means mounting conveyor for pile surface attack |
| | 520 | Self-gathering pusher |
| | 521 | By vibratory trough entrance means |
| | 522 | Having passive material collecting means |
| | 523 | CONVEYOR SYSTEM HAVING A GRAVITY CONVEYOR SECTION |
| | 524 | Condition responsive |
| | 525 | With means to affect flow |
| | 526 | Moving flow control means coordinated with power-driven conveyor section |
| | 528 | Power-driven conveyor section operatively engages adjustable gravity section |
| | 529 | Conveying element of power-driven conveyor section manipulated to effect load discharge |
| | 530 | Gate |
| | 531 | Actuated by, or otherwise coordinated with, power-driven conveyor section |
| | 532 | In generally vertical exit path of gravity discharge material holder |
| | 533 | By agitating, stirring, vibrating, etc. |
| | 534 | By retarding velocity or reducing volume |
| | 535 | Adjustably mounted conveyor section |
| | 537 | With means to handle portion of load which becomes separated from main flow path |
| | 538 | Conveyor section(s) adjustable for nonoperative purpose (e.g., storage, transport, etc.) |
| | 539 | Including a load-supporting bridging element (e.g., horizontal surface) between conveyor sections |
| | 540 | Gravity discharge material holder is source of supply, discharging by gravity to power-driven section |
| | 541 | With at least one more gravity section therebetween |
| | 543 | With at least one more successive power-driven section |
| | 546 | Followed by at least one gravity section |
| | 547 | Apron belt type of discharge-receiving, power-driven section |
| | 548 | Screw type of discharge-receiving, power-driven section |
| | 549 | Bucket type of discharge-receiving, power-driven section |
| | 550.01 | Bin having a power-driven conveyor section for discharging or feeding discharge to a gravity or power-driven section |
| | 550.2 | Having adjustable bin or discharge means |
| | 550.3 | Excess material on power-driven discharge means returned to bin |
| | 550.4 | Power-driven discharge means feeds to a subsequent gravity section |
| | 550.5 | Power-driven discharge means feeds to a subsequent power-driven section |
| | 550.1 | Screw type power-driven discharge means |
| | 550.11 | Bucket type power-driven discharge means |
| | 550.12 | Scraper type power-driven discharge means |
| | 550.13 | Apron type power-driven discharge means |
| | 560 | Power-driven conveyor section feeding to gravity section (i.e., gravity discharge material holder, or gravity flow path) feeding in turn to another power-driven section |
| | 561 | Gravity conveyor section fed by one run of power-driven section, and feeding in turn to another run of the same section |
| | 562 | Gravity conveyor section is gravity flow path feeding to power-driven section |
| | 563 | Followed by gravity section (i.e., gravity discharge material holder, or gravity flow path) |
| | 564 | Thrower type power-driven section |
| | 565 | Plural gravity sections |
| | 566 | Plural power-driven sections |
| | 568 | Plural power-driven conveyor sections feeding to gravity section (i.e., gravity discharge material holder, or gravity flow path) |
| | 569 | Power-driven conveyor section feeding to plural gravity sections (i.e., gravity discharge material holder, or gravity flow path) |
| | 570 | CONVEYING SYSTEM HAVING PLURAL POWER-DRIVEN CONVEYING SECTIONS |
| | 571 | With condition responsive control of a section |
| | 574 | Conveyor carried by load-engaging conveyor |
| | 575 | With means controlling the interrelated operation of plural sections |
| | 576 | With means operating successive sections in timed relation |
| | 577 | With means for altering the speed (e.g., accelerating, decelerating, stopping, reversing, etc.) of a section |
| | 578 | Having a cyclically swingable section |
| | 579 | With means operating successive sections at different speeds |
| | 580 | Recycling load in a closed path |
| | 581 | With means allowing a section to fold upon itself |
| | 582 | With supply chamber for system |
| | 583 | With means connecting sections for quick assembly of disassembly |
| | 585 | Including tripper |
| | 586 | With relatively adjustable sections |
| | 587 | By means mounting a section for lateral swinging movement |
| | 588 | With means to vary the effective length of the system (e.g., telescoping sections |
| | 589 | With means mounting a section to swing about a generally horizontal axis |
| | 590 | With yieldable side walls |
| | 591 | With a curved guide or support |
| | 592 | By means mounting a section to swing about a generally horizontal axis |
| | 594 | By means to vary the effective length of the system |
| | 597 | Including power-driven means for laterally shifting a conveyor-engaged load |
| | 599 | Including non-driven means for moving load relative to conveyor |
| | 600 | Including rest for transient load |
| | 601 | Forming plural conveying paths feeding to single conveying path or vice versa |
| | 602 | Forming a single conveying path |
| | 603 | Superposed sections forming an ascending or descending zigzag conveying path |
| | 604 | Load simultaneously engaged between and moved by coacting conveyors |
| | 606 | Plural sections each formed of or including a closed flexible loop |
| | 608 | Plural rotating sections |
| | 609 | Plural vibratory sections |
| | 610 | Diverse sections |
| | 615 | CONVERTIBLE |
| | 617 | PROCESSES |
| | 618 | CONVEYOR SECTION |
| | 619 | Load propelled as the reactive means in a linear motor or moving magnetic field |
| | 620 | Load simultaneously engaged between and moved by a plurality of driven conveyor members |
| | 621.1 | Reciprocating member |
| | 621.2 | Load support member lifted by inclined or vertical supporting fluid actuator (e.g., piston or air bag) |
| | 621.3 | Load support member lifted by supporting eccentric cam or rotating crank drive |
| | 621.4 | Load support member lifted by inclined supporting surface |
| | 622 | Oppositely moving members (e.g., doffing, etc.) |
| | 623 | Wherein the velocities of at least two of the members are not equal |
| | 624 | Rotary members |
| | 626.1 | Opposed endless belts |
| | 629 | Diverse |
| | 630 | Moving wave type |
| | 631.1 | Conveyor portion only cyclically rotates, shifts, or oscillates for extra-conveying function |
| | 632 | Conveyor section folds to facilitate transportation or storage of section |
| | 633 | Movement of load changed relative to conveyor movement on contact of load with passive means |
| | 634 | Load responsive means or timing means controls load engaging means |
| | 635 | Stripper (e.g., static scraper) |
| | 636 | Passive means causes load to move laterally of conveyor |
| | 638 | Thrower |
| | 639 | Condition responsive control |
| | 640 | With guide or deflector for material thrown |
| | 641 | Adjustable means to control trajectory distance or direction |
| | 642 | Rotary |
| | 643 | Endless belt strand or chain-like member to lift viscous fluid |
| | 644 | Conveyor for signatures |
| | 657 | Screw |
| | 658 | Including rotating load confining means (e.g., tumbler) |
| | 659 | Including a deformable element |
| | 660 | Including an axially adjustable helical surface formation |
| | 661 | Having axially varying capacity |
| | 662 | Plural helical surface formations |
| | 663 | Separate, parallel formations supporting same load |
| | 664 | Transversing less than 360 degrees |
| | 666 | Coupled end-to-end |
| | 669 | Of opposite hand |
| | 670 | With means for controlling flow or to assist conveying |
| | 671 | With means to assist in discharging from or feeding to the housing of the helical surface information |
| | 672 | Including bearing means |
| | 674 | Including drive means |
| | 676 | Helical surface formation structure |
| | 677 | With means for securing helical surface formation to driving member |
| | 678.1 | Endless conveyor having means for suspending load |
| | 679 | Magnetic means |
| | 680 | Means engagable with hanger to change hanger position relative to drive means or to release load |
| | 681 | Load directly suspended from means spanning between parallel drive means |
| | 682 | Having lock connection between hanger and load engaging means |
| | 683 | Articulated drive means provided with non-load supporting guide means |
| | 684 | Having means interengaging articulated drive and drive means therefor |
| | 685 | Elongated drive means and hanger interengaging means |
| | 686 | Strand or cable drive means connected to hanger below hanger support means |
| | 687 | Chain or pivotally connected members drive means connected to hanger below hanger support means |
| | 687.1 | Separable conveyor portion |
| | 688.1 | Having means to enhance the friction or adherence between the conveyor and load at random locations on conveyor |
| | 689.1 | Suction |
| | 690.1 | Magnetic |
| | 690.2 | Transversely extending enlongated ridge means formed on or attached by nonmechanical means to the conveyor |
| | 691 | Electrostatic |
| | 692 | Impaling |
| | 697 | Load-engaging belt having separate load-impelling, projecting member swingably mounted thereon |
| | 698 | Load-engaging belt having load-impelling, projecting cross members (e.g., slat, etc.) joined thereto by mechanical fastening means |
| | 699.1 | By a plurality of laterally spaced, projecting members on the conveyor |
| | 700 | Single suspended loop |
| | 701 | Bucket |
| | 702 | To convey liquid |
| | 703 | Having means to facilitate loading or discharging load from bucket |
| | 704 | Bucket has door means to release load |
| | 705 | Having means to engage and move load from bucket |
| | 706 | Having means to pivot bucket relative to endless drive means |
| | 707 | Interconnected buckets form chain |
| | 708 | Having means to close gap between buckets |
| | 709 | Having means to adjust tension on endless bucket carrier |
| | 710 | Slide and guide or wheel and track means to movably support bucket |
| | 711 | Bucket with connection to endless band or strand-type carrier |
| | 712 | Bucket with connection to endless chain or link-type carrier |
| | 713 | Bucket structure |
| | 715 | Flexible pocket |
| | 716 | Flight means in conduit for lifting flowable solid material |
| | 717 | Pusher conveyor and separate load support surface |
