Patent ID: 7431503

Claim:
A bearing support structure for an actuator, for supporting a bearing at a sliding portion between a displacement member displaceable in an axial direction of a main actuator body and a guide section of said main actuator body, said bearing support structure comprising: a bearing having a sliding surface that abuts against said guide section; and a bearing support section provided on said displacement member, said bearing support section retaining said bearing between said bearing support section and said guide section, both end surfaces of said bearing being disposed in said axial direction of said bearing, only one of said end surfaces abutting against said displacement member when said displacement member is displaced, wherein said one end surface of said bearing is pressed by said bearing support section during a state in which said bearing abuts against said guide section and said bearing is displaced integrally with said displacement member, when said displacement member is displaced in said axial direction along said guide section.