Patent ID: 6891668
Filing Date: 2005-05-10
Classification: G02B

Abstract:
1. A lens barrel comprising: a lens frame for supporting a photographing lens group, said lens frame including a guide bore which extends in an optical axis direction substantially parallel to an optical axis of said photographing lens group and a guide rib on an outer surface of said lens frame; a support barrel, wherein said lens frame can be inserted into and removed from a front opening of the support barrel; a rod receiving portion formed inside said support barrel at a rear of said front opening in the optical axis direction; a substantially U-shaped recess inside said support barrel and extending in the optical axis direction; a bracket detachably attached to a front end of said support barrel to prevent said lens frame from falling out of a front of said support barrel; and a guide rod provided on said bracket for guiding said lens frame to move relative to said support barrel in the optical axis direction, said guide rod being placed through said guide bore and an end of said guide rod engaging with said rod receiving portion when said bracket is attached to said support barrel, and said guide rod configured to be supported by said guide rib and to be received within said substantially U-shaped recess; wherein said lens group frame can be taken out of said support barrel through the front opening when said bracket having said guide rod is removed from said support barrel.