Patent ID: 6837083

Claim:
A key cylinder for selectively locking and unlocking a lock mechanism, wherein the key cylinder has a rotor capable of being rotated by a key, and a lever for connecting the rotor to the lock mechanism, the key cylinder comprising: a recess formed in an end of the rotor, wherein an end portion of the lever has a flange, which fits in the recess; a receiving portion formed in the recess, wherein the receiving portion receives the flange; and, an elastic member located between an end surface of the flange and a bottom surface of the recess, wherein the elastic member holds the lever such that an axis of the lever and an axis of the rotor forms an angle within a predetermined range of angles, wherein the elastic member urges the flange to the receiving portion to contact with the receiving portion, and wherein the elastic member is mounted on a pin which projects from the end surface of the flange.