US PATENT SUBCLASS 92 / 121
.~ Oscillatory shaft with radially extending vane

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

120  DF  OSCILLATING WORKING MEMBER OR CYLINDER THEREFOR {1}
121.~ Oscillatory shaft with radially extending vane {4}
122  DF  .~.~> Plural angularly related vanes
123  DF  .~.~> With lost motion connection between vane and shaft
124  DF  .~.~> With resiliently biased vane peripheral portion
125  DF  .~.~> Vane includes non-metallic peripheral sealing portion

DEFINITION

Classification: 92/121

(under subclass 120) Apparatus in which the working member comprises a blade-like member having a rotatably mounted shaft secured along one edge thereof for movement therewith and forming the means for transmitting mechanical power to or from said working member, the axis of said shaft forming the axis about which said blade-like member is adapted to move.