Patent ID: 6382081
Filing Date: 2002-05-07
Classification: F04B,F16B,F16C,Y10T

Abstract:
A reciprocating compressor comprising:a connecting rod which includes a small end portion and a large end portion coupled with each other, said small end portion comprising a cylindrical portion which includes a small hole, said small end portion further comprising a cylindrical rod portion integrally connected to and extending in a direction radially outward from said cylindrical portion, said cylindrical rod portion having a cylindrical retaining portion provided at a distal end portion thereof, and having a holder portion adjacent to said cylindrical retaining portion and extending in a radial direction with respect to said cylindrical rod portion, said holder portion having an auxiliary shoulder portion facing toward said distal end portion of said cylindrical rod portion, said large end portion including a large hole; a piston coupled to said small end portion; a crank shaft loosely fitted in said large hole of said large end portion, said large end portion having a boss with an end face and a cylindrical bore formed in said end face, said cylindrical bore having an axis passing through a center of said large hole of said large end portion, said large end portion further comprising a fixing hole communicating with said cylindrical bore, said cylindrical retaining portion being fitted in said cylindrical bore such that said auxiliary shoulder portion of said holder portion contacts said end face of said bore; and a locking pin inserted in said fixing hole to fix said cylindrical retaining portion in said cylindrical bore, said locking pin comprising a flexible locking pin so as to have a self-compensating function of absorbing torsional deflection of axes of said small hole and said large hole.