US PATENT SUBCLASS 92 / 187
.~ With separable means for pivotally mounting connecting rod to piston

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

172  DF  PISTON {19}
187.~ With separable means for pivotally mounting connecting rod to piston {3}
188  DF  .~.~> Means retained by annulus positioned about piston periphery
189  DF  .~.~> Piston formed of separable end face and side wall portion {1}
191  DF  .~.~> Fastener for separable means extends through end face portion

DEFINITION

Classification: 92/187

(under subclass 172) Apparatus including a member joined to the piston by means which allow separation of said member from the piston without in any way destroying or permanently deforming the piston or member or the means joining said piston and member together, said member forming a support or bearing member for pivotally mounting a connecting rod to the piston.

(1) Note. An open ended skirt type piston in which a portion

of the skirt is detachably secured to a second portion containing the end face and in which the connecting rod pin bearing portions forms an integral part of such skirt portion or portion containing the end face is excluded. Such structure is classified on other features.

SEE OR SEARCH THIS CLASS, SUBCLASS:

216+, for an open ended skirt type piston formed of plural separable parts.

SEE OR SEARCH CLASS

403, Joints and Connections, 52+, for articulated connections in general, particularly subclasses 150+. See References To Other Classes. of the class definition under "SEARCH CLASS", 403, for the line between Class 92 and Class 403.