Document Type and Number:
Japanese Patent JPS5161835
Kind Code:
A
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.
Inventors:
BUYORUN HARARUDO HEDEN
Application Number:
JP11625775A
Publication Date:
May 28, 1976
Filing Date:
September 26, 1975
Export Citation:
Assignee:
BUYORUN HARARUDO HEDEN
International Classes:
F16H13/08; F16H13/10; G03B3/10; G02B7/04; G02B7/08; G02B7/09; G03B13/34; G03B19/18; (IPC1-7): G03B3/00