Patent
1975-05-16
1977-03-15
Corbin, John K.
350255, G02B 1514
Patent
active
040121240
ABSTRACT:
The present invention relates to a device to adjust the position of optics lens systems which are movable relative to each other, and is characterized in that the device is equipped with a plural number of cam grooves variable relative to each other to adjust the position, frames to support the optical elements composing said optic lens system and springs forcing said frames to always be engaged in said adjusting cam grooves, whereby the forcing springs present forcing forces to compensate the components along the directions to move said adjusting cam grooves of the forces given to said plural number of said adjusting cam grooves.
REFERENCES:
patent: 2811080 (1957-10-01), Harter et al.
patent: 2890639 (1959-06-01), Meixner
patent: 3437404 (1969-04-01), Seedhouse
patent: 3744884 (1973-07-01), Filipovich
Shimazaki Mamoru
Suwa Michiharu
Toda Katuhiko
Canon Kabushiki Kaisha
Clark Conrad
Corbin John K.
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