US PATENT SUBCLASS 92 / 189
.~.~ Piston formed of separable end face and side wall portion


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

172  DF  PISTON {19}
187  DF  .~ With separable means for pivotally mounting connecting rod to piston {3}
189.~.~ Piston formed of separable end face and side wall portion {1}
190  DF  .~.~.~> Means secures end face portion to side wall portion


DEFINITION

Classification: 92/189

(under subclass 187) Apparatus in which the piston is formed of separate end face and side wall forming portions and in which such portions are secured together by means which allow separation of said portions without, in any way, destroying or permanently deforming the end face or side wall forming portions or the means securing said portions together.