US PATENT SUBCLASS 414 / 529
.~.~ Load-engaging roller or rollerway


Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

467  DF  SELF-LOADING OR UNLOADING VEHICLES {8}
507  DF  .~ Conveyor {12}
529.~.~ Load-engaging roller or rollerway {4}
530  DF  .~.~.~> With means for locking roller against rotation
531  DF  .~.~.~> With separate means movable vertically between load supporting and retracted positions
532  DF  .~.~.~> Shiftably or removably supported on vehicle {2}
536  DF  .~.~.~> With means for preventing movement of load relative thereto


DEFINITION

Classification: 414/529

Load-engaging roller or rollerway:

(under subclass 507) Apparatus wherein a load is guided or supported by at least one roller.

(1) Note. Included here are cylindrical and spherical rollers.