US PATENT SUBCLASS 384 / 156
.~.~.~ Movable pivot axis

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
129  DF  .~ Plain bearing {17}
154  DF  .~.~ Rocking type bearing {2}
156.~.~.~ Movable pivot axis

DEFINITION

Classification: 384/156

Movable pivot axis:

(under subclass 154) Subject matter wherein the axis of the bearing shifts its position in a cyclical manner during the reciprocating rotary motion.