Sliding cover

Details Sliding cover Sliding cover

2007-07-03

2007-07-03

Perkey, W. B. (Department: 2851)

Photography

With power supply detail

C396S376000, C396S448000, C396S542000

Reexamination Certificate

active

11004848

ABSTRACT:
A sliding cover for protecting camera lens and switching the power of the camera, comprising a cover plate and a permanent magnet. The cover plate is slideably connected with the front shell of the camera, a magnetic induction switch is installed at the inner side of the front shell. Furthermore, the permanent magnet is connected to the cover plate, when the lens is exposed while the cover plate is sliding away, the permanent magnet will then be close to the inducible switch and switch the power automatically. For sliding smooth, a few pads with low friction coefficient and wear-resistant property can be installed between the cover plate and the front shell of the camera; preferably, the inner side of the of the cover plate can further installed a rolling wheel to smooth the sliding and prevent scratch on the front shell surface when been highly pressed.

REFERENCES:
patent: 2918333 (1959-12-01), Friedman
patent: 3224326 (1965-12-01), Brownscombe
patent: 4019192 (1977-04-01), Miyagawa
patent: 4025930 (1977-05-01), Wolff
patent: 4560261 (1985-12-01), Ueda et al.
patent: 5878292 (1999-03-01), Bell et al.
patent: 6347893 (2002-02-01), Shiono et al.
patent: 6450708 (2002-09-01), Takanashi

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