US PATENT SUBCLASS 100 / 280
.~ With mechanical force multiplier

Current as of: June, 1999
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100 /   HD   PRESSES

214  DF  RECIPROCATING PRESS CONSTRUCTION {26}
280.~ With mechanical force multiplier {6}
281  DF  .~.~> Transversely forced linkage joint (single toggles here) {3}
288  DF  .~.~> Rack and pinion
289  DF  .~.~> Screw and nut {1}
291  DF  .~.~> Cam or tapering wedge {1}
293  DF  .~.~> Fixed fulcrum lever
294  DF  .~.~> Plural oppositely moving struts

DEFINITION

Classification: 100/280

(under subclass 214) Devices in which the moving means includes some mechanical device interposed between a fixed abutment and a movable pressure surface for moving the surface and for increasing the pressure effect or output applied to the surface as a result of the force put into the moving means.

SEE OR SEARCH CLASS

72, Metal Deforming,

429+, for means to drive a tool of a metal shaping press.