Driving apparatus, use thereof and an optical system...

Details Driving apparatus, use thereof and an optical system... Driving apparatus, use thereof and an optical system...

2006-10-31

2006-10-31

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323010, C310S323020, C310S323030

Reexamination Certificate

active

07129622

ABSTRACT:
A driving apparatus has at least two driving members and at least one driven member. Each of the driving members is frictionally engaged to the at least one driven member to move the driven member. The friction between each driven member and each driving member is such that the driven member moves when, over half of the driving members being in frictional engagement with the driven member, are moved, simultaneously between first and second positions. Further, the friction between each driven member and each driving member is such that the driven member substantially remains stationary when, less than half of the driving members being in frictional engagement with the driven member, are moved.

REFERENCES:
patent: 5225941 (1993-07-01), Saito et al.
patent: 5633763 (1997-05-01), Suzuki et al.
patent: 6232697 (2001-05-01), Mizumoto
patent: 0747977 (1996-12-01), None

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