US PATENT SUBCLASS 400 / 373
.~.~.~ Including double-lobe cam

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

365  DF  HAVING ROTATED POWER DRIVE INTERMITTENTLY APPLIED FOR TYPE-BAR ACTUATION {7}
370  DF  .~ Via continously rotated power roll {5}
372  DF  .~.~ And rotatable cam (e.g., single-lobe cam) {1}
373.~.~.~ Including double-lobe cam

DEFINITION

Classification: 400/373

Including double-lobe cam:

(under subclass 372) Subject matter wherein said cam surface is so configured that it will effect two complete oscillatory movements of the lever on which it is mounted during each rotation (i.e., through 360 deg.) of said component, a complete oscillatory movement comprising a movement away from and a movement toward a rest or normal position.