US PATENT SUBCLASS 74 / 834
.~.~ Driving lever with adjustable pivot point

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

828  DF  ALTERNATING-MOTION DRIVEN DEVICE WITH MEANS DURING OPERATION TO ADJUST STROKE {2}
831  DF  .~ Stroke adjustable to zero and/or reversible in phasing {6}
834.~.~ Driving lever with adjustable pivot point

DEFINITION

Classification: 74/834

(under subclass 831) Mechanisms wherein the means to diminish or reverse the stroke includes a lever having a driving input connection, a driven output connection, and a pivot connection for the lever which is adjustable along the lever to vary the movement arm thereof.