US PATENT SUBCLASS 92 / 101
.~.~.~.~ Abutment connection between diaphragm and power transmission element


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

89  DF  COLLAPSIBLE CHAMBER WALL PORTION (E.G., HINGED OR FLEXIBLE WALL) {1}
90  DF  .~ Wall portion formed of flexible material {5}
96  DF  .~.~ Diaphragm type {4}
98 R  DF  .~.~.~ Entire periphery secured to rigid working chamber forming wall {4}
101.~.~.~.~ Abutment connection between diaphragm and power transmission element


DEFINITION

Classification: 92/101

(under subclass 98) Apparatus comprising a rigid power transmission element positioned within the working chamber, said element being unsecured to the diaphragm (i.e., capable of movement with respect thereto) and adapted to be abutted thereby.