US PATENT SUBCLASS 92 / 230
.~.~.~.~.~.~ Element encircles connecting rod pin supporting boss

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

172  DF  PISTON {19}
208  DF  .~ Open-ended hollow skirt type (e.g., trunk type) {15}
222  DF  .~.~ Specific or diverse material; or welded, brazed or soldered joint {4}
225  DF  .~.~.~ Element of diverse material for limiting radial movement of skirt part {3}
228  DF  .~.~.~.~ Element portion embedded in piston part {1}
229  DF  .~.~.~.~.~ Annular element {1}
230.~.~.~.~.~.~ Element encircles connecting rod pin supporting boss

DEFINITION

Classification: 92/230

(under subclass 229) Apparatus in which the axis of the ring-like member extends transversely to the longitudinal axis of the piston and is positioned to encircle a projection on the piston which forms the supporting bearing for a transversely extending piston rod connecting pin.