Title:
OPTICAL EQUIPMENT DEVICE
Document Type and Number:
Japanese Patent JPH05150149
Kind Code:
A
Abstract:
PURPOSE:To obtain constitution which is simple and damages none of peripheral components, etc., by unitizing a light quantity adjustment device incorporated in a lens barrel. CONSTITUTION:The optical equipment device is constituted by fitting a stop unit 1 which is unitized in a plate shape from a slit opening formed in the peripheral surface of the lens barrel 10; and the lens barrel 10 is provided with guide grooves 11 and 12 on the outer and inner sides in the fitting direction and the substrate 2 of this stop unit is provided with guide pins 4 and 5 which engages the guide grooves. Those pins engages the grooves to guide the fitted stop unit, a click type engagement fixing means which is clicked at the final stage of the fitting is provided, and the pins engage the grooves before the click fixing means is clicked.
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Inventors:
MIYAGAWA MASAE
KAWANISHI TOSHIAKI
KAWANISHI TOSHIAKI
Application Number:
JP31645391A
Publication Date:
June 18, 1993
Filing Date:
November 29, 1991
Export Citation:
Assignee:
CANON KK
International Classes:
G02B7/02; G03B9/02; (IPC1-7): G02B7/02; G03B9/02
Attorney, Agent or Firm:
Honda Kodaira (4 people outside)