US PATENT SUBCLASS 81 / 435
.~.~.~ Including driven, reciprocating, conveying member

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
54  DF  .~ Machine {10}
57.37  DF  .~.~ With feed or magazine means {6}
435.~.~.~ Including driven, reciprocating, conveying member

DEFINITION

Classification: 81/435

Including driven, reciprocating, conveying member:

(under subclass 57.37) Feed means including a driven member reciprocated between two spaced positions; the member contacting and pushing or carrying pieces of work towards the engaging and strain-exerting portion of the wrench or screwdriver when moving in one of its directions.