US PATENT SUBCLASS 92 / 73
.~.~.~ Parallel working members

Current as of: June, 1999
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92 /   HD   EXPANSIBLE CHAMBER DEVICES

61  DF  RELATIVELY MOVABLE WORKING MEMBERS {8}
68  DF  .~ Interconnected with common rotatable shaft {3}
72  DF  .~.~ Shaft axis intersected by axes of working members {1}
73.~.~.~ Parallel working members {1}
74  DF  .~.~.~.~> Shaft extends transversely through working members

DEFINITION

Classification: 92/73

(under subclass 72) Apparatus in which the working members are so arranged relative to each other that the longitudinal axes of the various working members are parallel.