US PATENT SUBCLASS 418 / 66
.~.~ Integral with working member

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

54  DF  WORKING MEMBER HAS PLANETARY OR PLANETATING MOVEMENT {6}
63  DF  .~ With relatively movable partition member {4}
66.~.~ Integral with working member

DEFINITION

Classification: 418/66

(under subclass 63) Apparatus in which the divider element and the working member are either (1) inseparable component parts of a unitary structure or (2) are separable parts rigidly connected for concurrent movement.