Drive device for lens barrel and diaphragm shutter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 27, 1987
Grant Date -
N/A
app pub date -
Dec 1, 1986
filing date -
Dec 3, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive device for a lens barrel and a diaphragm shutter is disclosed. The drive device of this invention comprises a stepping motor including a stator and rotors. The stator is constituted by a plurality of stator members disposed around a lens barrel, each having a bifurcate portion around which a conductor is wound, and the bifurcate portions are disposed in face-to-face relationship with each other with a predetermined space being interposed therebetween. The rotors are respectively disposed in the predetermined spaces. The driving forces of the rotors are independently transmitted at least to the lens barrel including a photographic lens element and to a diaphragm shutter.
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Cited Art Landscape
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