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Optical & Optics
Class Information
Number:
396/498
Name:
Photography
>
Camera detail
>
Shutter
>
Pivoting or rotating blade type
>
Plural oscillating blades
> Having gear means
Description:
Subject matter wherein the means to drive the shutter blades is a toothed wheel which engages one or more similar wheels.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7534058
Lens cap module
May. 19, 2009
4994834
Focal plane shutter for cameras
Feb. 19, 1991
4893142
Device for activating motor-driven shutter blades
Jan. 9, 1990
4306796
Shutter assembly for photographing devices with precision timing facility
Dec. 22, 1981
4041511
Driving device of lens shutter of single-lens reflex camera
Aug. 9, 1977
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