| 摘要 |
A face cam clutch for facilitating the positioning of a rotational member about a housing of a portable electronic device comprises a face cam (58) having a protrusion (92) which secures the cam to a hinge housing, a cam follower (56), a drive pin (60), a spring (54), and means for retaining the face cam, the cam follower, the spring and the drive pin in a spring-loaded state. One end (72) of the drive pin (60) is connected to the rotational member. The other end is connected to the cam follower in a rotationally rigid and axially translatable manner.
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