Photography – Folding or collapsible camera – Having axially moving lens
Patent
1998-06-30
2000-12-26
Perkey, W. B.
Photography
Folding or collapsible camera
Having axially moving lens
396448, G03B 1704
Patent
active
061648426
ABSTRACT:
A camera having a lens barrier unit that opens without encountering obstructions in response to the operation of an operating member and without increasing the size of the lens barrel of the camera. The lens barrier unit covers the front surface of a photographic lens in a closed position, and moves clear of the front surface of the photographic lens in an open position. A sliding member, which is a separate member from the operating member, mechanically drives the lens barrier unit to an open position in response to the movement of an operating member by means of the operation for photographic preparation (e.g., when the camera is switched ON), and drives the lens barrier unit to a closed position, by coupling to the movement of the photographic lens unit while moving from the extended position to the retracted position (e.g., when the camera is switched OFF). The camera may include a finder optical system for visually recognizing an image of an object, with the sliding member disposed in the vicinity of a film aperture. The slide member is disposed in a face-to-face position to the finder optical system with the film aperture being interposed therebetween.
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Aoki Hitoshi
Machida Kiyosada
Ohta Hidefumi
Omi Junichi
Takeuchii Yoshihiro
Nikon Corporation
Perkey W. B.
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