Title:
FOCALLPLANE SHUTTER
Document Type and Number:
Japanese Patent JPS5360224
Kind Code:
A
Abstract:
A focal plane shutter comprising a pair of upper arms rotatably supported on a shutter base plate, a pair of lower arms provided as opposed to the respective upper arms so as to be rotatable concentrially respectively with the pair of upper arms and a plurality of shutter blades of which some are supported by the upper arms and the remainder are supported by the lower arms between the respective pairs of upper arms and lower arms, whereby the dimensions in the horizontal direction and vertical direction of the entire shutter device can be made smaller.
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Inventors:
OOBA OSAMU
Application Number:
JP13559476A
Publication Date:
May 30, 1978
Filing Date:
November 11, 1976
Export Citation:
Assignee:
COPAL CO LTD
International Classes:
G03B9/36; G03B9/18; (IPC1-7): G03B9/36
Previous Patent: JPS5360223
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