Patent
1982-10-14
1984-07-10
Gonzales, John
354246, 354274, G03B 1912
Patent
active
044589980
ABSTRACT:
In a camera having a moving body provided with an optical element which is movable over a predetermined distance in a predetermined direction in connection with a photographing operation, a shock absorbing device acting on a shock resulting from the movement of the moving body includes counterweight means having a greater inertial mass than the moving body, and drive means for moving the counterweight means and the moving body in synchronism with each other. The drive means moves the counterweight means in the direction opposite to the direction of movement of the moving bdy and over a distance shorter than the movement distance of the center of gravity of the moving body.
REFERENCES:
patent: 3672282 (1972-06-01), Yamada
Tanabe Yoshiaki
Tanaka Etsuo
Gonzales John
Nippon Kogaku K.K.
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