US PATENT SUBCLASS 72 / 422
.~ By gripper and/or endless chain


Current as of: June, 1999
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72 /   HD   METAL DEFORMING

419  DF  WITH MEANS TO HANDLE WORK OR PRODUCT {6}
422.~ By gripper and/or endless chain {1}
423  DF  .~.~> With drum carrier for gripper


DEFINITION

Classification: 72/422

By gripper and/or endless chain:

(under subclass 419) Apparatus including either a work-gripping clamp or a band that moves in a closed loop about a plurality of separated noncoaxial pulleys or sprockets.

(1) Note. The phrase "work-gripping clamp" is defined in the definition and notes of subclass 293.

SEE OR SEARCH CLASS

83, Cutting,

151, 155 for similar means for handling the product of a cutting operation.

198, Conveyors: Power-Driven,

468.2+, 470.1+ 803.3+, and 803.8+ for a conveyor having load-gripping members, and appropriate subclasses for endless belt conveyors. 901, Robots, subcollection 31+ for a gripping device located on a robot.