Patent ID: 6729225
Filing Date: 2004-05-04
Classification: F16C,Y10T

Abstract:
A connecting apparatus of a hermetic reciprocal compressor to convert a rotary movement into a reciprocal sliding movement by connecting an eccentric portion of a crankshaft and a piston, comprising:a ball; a first connecting member having a small diameter portion connected with a piston pin being connected with the piston, and a connection portion extended from the small diameter portion, wherein the connection portion has a ball embracing surface to embrace the ball and supports the ball to be moved; a second connecting member having a large diameter portion rotatably connected with the eccentric portion, and an extending yoke portion at an outside of the large diameter portion, the yoke portion supporting the ball against the embracing surface and preventing the ball from being separated; and a third connecting member for connecting the first connecting member and the second connecting member such that the first connecting member and the second connecting member relatively move with the ball placed therebetween.