US PATENT SUBCLASS 74 / 830
.~.~ Cyclical displacement responsive to the alternating-motion

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

DEFINITION

Classification: 74/830

(under subclass 829) Mechanisms wherein changing of the position of the stroke is caused mechanically by the alternating-motion imparted to the driven device.