Rotation device and apparatus equipped with rotation device

Details Rotation device and apparatus equipped with rotation device Rotation device and apparatus equipped with rotation device

1997-05-28

1999-04-06

Perkey, W. B.

Photography

Having variable focal length of camera objective

Power zoom

396133, 310 68B, 25023114, G03B 310, G01D 534

Patent

active

058929894

ABSTRACT:
A skirt located on a worm is inserted in a C-shaped hole of a photo-interrupter blade wheel, and a motor shaft passes thought the center of each of said members. The rotation of the worm is transmitted to photo-interrupter blades with a predescribed angle of play due to the relative dimensions of a notch formed on the skirt and the C-shaped hole.

REFERENCES:
patent: 4751888 (1988-06-01), Hanus

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