Document Type and Number:
Japanese Patent JPS6124969
Kind Code:
Y2
Abstract:
A cam device of a lens barrel having a cam follower member which satisfies the condition R>r2>r1, wherein R is the minimum radius of a cam curve of a cam which contributes to movement of a lens placed within the lens barrel, r1 is the radius of a cutter to form the cam, and r2 is the radius of a part of a cam follower member which contacts the cam curve and regulates movement of a lens, being a part other than that contacting a cam surface.
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Application Number:
JP16224380U
Publication Date:
July 28, 1986
Filing Date:
November 13, 1980
Export Citation:
International Classes:
G02B7/04; F16H53/06; G02B7/10; (IPC1-7): G02B7/04; F16H53/06
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