Patent ID: 6026244
Filing Date: 2000-02-15
Classification: G02B

Abstract:
A focus adjustment mechanism upon assembly of an AF compact camera, comprising:a lens frame having a male helicoid on the outer periphery thereof, said lens frame supporting a focusing lens;a shutter unit provided with a female helicoid to be engaged with said male helicoid of said lens frame, and an AF driving lever to be rotatively driven along an arc of an axis which is substantially common to the axis of said female helicoid by an amount corresponding to the object distance information; anda ring-shaped connecting member having an arm to be engaged with said AF driving lever, said ring-shaped connecting member being rotatable relative to said lens frame of said focusing lens for said focus adjustment upon assembly and fixed on said lens frame after completion of said focus adjustment,wherein said lens frame comprises:a cylindrical engagement surface to be engaged with said ring-shaped connecting member from the front of said cylindrical engagement surface;a contact wall formed on the rear of said cylindrical engagement surface to define position of said ring-shaped connecting member in an optical axis direction; anda plurality of engaging portions with intervals in a circumferential direction to be engaged with an adjuster for rotation of said lens frame;and said adjuster comprising:a plurality of engaging portions to be engaged with said engaging portions of said lens frame; anda pressing end surface by which said ring-shaped connecting member is press-fitted between said pressing end surface and said contact wall.