Reduction gear, especially for camera lens motors

Details Reduction gear, especially for camera lens motors Reduction gear, especially for camera lens motors

1975-09-25

1977-11-29

Scott, Samuel

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

64 30C, F16H 1306, F16D 702

Patent

active

040600106

ABSTRACT:
A camera lens drive comprises a small electric motor and a transmission for driving a lens part. The transmission is formed solely by a number of planetary gear sets arranged in series. The planetary gears are ball bearings having adjustable prestressing. The prestress of a group of input sets is adjustable independently of the prestress of a group of output sets.

REFERENCES:
patent: 1368570 (1921-02-01), Philippeau
patent: 1986177 (1935-01-01), Zastoupil
patent: 2348848 (1944-05-01), Rabl
patent: 2577081 (1951-12-01), Harshberger
patent: 2578801 (1951-12-01), Harshberger
patent: 3105371 (1963-10-01), Forrest
patent: 3208316 (1965-09-01), Scribiner
patent: 3631742 (1972-01-01), Hoffmeister

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