US PATENT SUBCLASS 418 / 240
INTERCONNECTED ABUTMENTS

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

240INTERCONNECTED ABUTMENTS

DEFINITION

Classification: 418/240

(under the class definition) Apparatus in which the cylinder is provided with a plurality of moving abutments thereon, one of said abutments being connected to at least one other abutment to move concurrently therewith.