Patent ID: 7046462
Filing Date: 2006-05-16
Classification: G02B

Abstract:
1. Lens mount for viewfinder cameras, including a distance setting ring ( 5 ) and, coupled thereto, an apparatus for transmitting a set distance to a setting lever of a measuring viewfinder arranged on a camera side, the apparatus including an outer worm ( 3 ) connected to the distance setting ring ( 5 ), an inner worm ( 6 ), inserted in said outer worm and guided rectilinearly ( 7 , 8 ; 7 ′, 8 ′) in the lens mount, and a cam ring ( 13 ) rotatably supported in the inner worm ( 6 ) and with an axial cam pointing to the camera side on an end face ( 14 ) of the lens mount, wherein the cam ring ( 13 ) is locked into an annular groove ( 12 ) in an inner wall of the inner worm ( 6 ) and is provided with at least two pins ( 15 , 15 ′) which point radially outward over an edge of the inner worm ( 6 ) at an end on the camera side, and which engage in each case in an axial groove ( 16 , 16 ′) in the outer worm ( 3 ).