US PATENT SUBCLASS 74 / 829
.~ Constant length stroke with means to displace end limits

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}
829.~ Constant length stroke with means to displace end limits {1}
830  DF  .~.~> Cyclical displacement responsive to the alternating-motion

DEFINITION

Classification: 74/829

(under subclass 828) Mechanisms wherein the driven device has a stroke of nonvariable length with means for changing the position of the stroke relative to a stationary part of the mechanism.