US PATENT SUBCLASS 418 / 103
WORKING MEMBER PERIPHERAL SURFACE COMPRISES RELATIVELY CIRCUMFERENTIALLY MOVABLE SEGMENTS

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

103WORKING MEMBER PERIPHERAL SURFACE COMPRISES RELATIVELY CIRCUMFERENTIALLY MOVABLE SEGMENTS

DEFINITION

Classification: 418/103

(under the class definition) Apparatus in which the working member includes a plurality of parts having working chamber surface portions movable relative to each other in the direction of working member rotation as the working member rotates.