Patent ID: 7316550

Claim:
A scroll compressor comprising: an orbiting scroll having a compressor chamber in an upper portion thereof and a bypass passage formed through upper and lower ends of a body thereof; a fixed scroll that allows the orbiting scroll to orbit therein to compress a refrigerant; an Oldham ring on which the orbiting scroll is seated, the Oldham ring having an upper chamber formed on an upper surface thereof and a lower chamber formed on a lower surface thereof, and at least one key protruding from the lower surface; and a main frame on which the Oldham ring is seated, the main frame being provided with an oil supplying groove and at least one key groove configured to receive the at least one key of the Oldham ring, wherein the oil supply groove is provided separately from and in communication with the at least one key groove, and wherein the oil supply groove disperses a lubricating oil between a thrust surface of the mainframe and a lower surface of the Oldham ring.