Compressor having Oldham's ring

A scroll compressor, comprising:

• a drive motor;
• a rotary shaft coupled to the drive motor and configured to be rotated by the drive motor;
• a main frame that extends along the rotary shaft and that is disposed vertically below the drive motor;
• a fixed scroll that extends along the rotary shaft and that is disposed vertically below the main frame;
• an orbiting scroll that is disposed between the main frame and the fixed scroll, that receives the rotary shaft, and that is eccentrically coupled to the rotary shaft, the orbiting scroll being configured to, based on engaging with the fixed scroll, perform an orbital movement relative to the fixed scroll to thereby define a compression chamber with the fixed scroll;
• and
• an Oldham's ring coupled to each of the main frame and the orbiting scroll and configured to restrict rotation of the orbiting scroll relative to the fixed scroll,
• wherein the Oldham's ring comprises:
• a ring body that has a ring shape, the ring body comprising a first fixing boss that protrudes from a first side of the ring body and a second fixing boss that protrudes from a second side of the ring body,
• a first key that has a first fixing groove receiving the first fixing boss and that is configured to couple to the main frame, the first key comprising a first thrust surface stepped toward the first side of the ring body, and
• a second key that has a second fixing groove receiving the second fixing boss and that is configured to couple to the orbiting scroll, the second key comprising a second thrust surface stepped toward the second side of the ring body, and wherein the ring body further comprises:
• a first key coupler that is recessed from the first side of the ring body in an axial direction of the rotary shaft and that is coupled to the first key, and
• a second key coupler that is recessed from the second side of the ring body in the axial direction and that is coupled to the second key.