Patent ID: 6282983
Filing Date: 2001-09-04
Classification: F16C,F16J,Y10T

Abstract:
In a machine having a wrist pin, connecting rod and structure for connecting the rod and pin, an improved configuration for the pin, rod and structure, comprising:the wrist pin;a wrist pin hole in the wrist pin;a nut within an interior of the wrist pin, the nut registering with the wrist pin hole;the connecting rod;a shaft of the connecting rod defining a void;an engagement head of the connecting rod having an inner diametrical surface and a through hole communicating the void with the inner diametrical surface;a terminus at one end of the shaft;a curved saddle on the terminus in close surface contact with the wrist pin;a single aperture in the saddle registering with the wrist pin hole, passing through the terminus and communicating with the void;a fastener having a shank passing through, and fitting closely with, the single aperture and the wrist pin hole;a threaded portion of the shank engaging the nut; anda bore extending through the fastener, the bore being part of a fluid flow path between the inner diametrical surface of the engagement head and the interior of the wrist pin.