Expansible chamber devices – With assembly or disassembly facilitating means
Reexamination Certificate
2006-03-29
2008-10-21
Lazo, Thomas E (Department: 3745)
Expansible chamber devices
With assembly or disassembly facilitating means
C092S187000
Reexamination Certificate
active
07437989
ABSTRACT:
A connecting rod for a hermetic compressor is provided. The connecting rod includes a piston connecting portion, a body having an end connected to the piston connecting portion, a crankshaft connecting portion connected to a different end of the body and extending a predetermined length so that a curved surface is formed, an inner peripheral surface of the crankshaft connecting portion making surface contact with an outer peripheral surface of a sleeve fitted to an off-center pin of a crankshaft, and a clamp fastened to both ends of the crankshaft connecting portion and exerting elastic force to retain the sleeve on the inner peripheral surface of the crankshaft connecting portion. The sleeve does not deform, even when retained on the crankshaft connecting portion, and makes uniform surface contact with the off-center pin, which is inserted into the sleeve. This substantially reduces the abrasion of the sleeve and the off-center pin and improves the compressor's efficiency.
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Cho Won-Il
Kang Dal Soo
Yoon Seung-Jae
Ked & Associates LLP
Lazo Thomas E
LG Electronics Inc.
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