Patent ID: 6305852
Filing Date: 2001-10-23
Classification: G03B

Abstract:
A camera comprising:a camera body having a photographing lens;a barrier member movably mounted with respect to said camera body between an opening position at which said photographing lens is exposed and a closing position at which said photographing lens is covered;two pairs of support portions provided on the barrier member and which comprise four projecting portions placed in pairs at opposing positions; andfour rails provided independent of one another on the camera body and each engaged with a corresponding one of the four projecting portions, two of said rails facing each other and being arranged on an upper side of said photographing lens, and the remaining two rails facing each other and being arranged on a lower side of said photographing lens,wherein each of said rails has a first portion that is retracted in a direction of an optical axis of the photographing lens and a second portion that is protruded in said direction of the optical axis of the photographing lens, each of the projecting portions being positioned on the first portion of the corresponding rail when the barrier member is at the closing position, and each of the projecting portions being located on the second portion of the corresponding rail portion when the barrier member is at the opening position, thereby placing the barrier member further forward in the direction of the optical axis when the barrier member is at the opening position as compared to that of the closing position.