Coupling device between a source of mechanical energy and an ele

Details Coupling device between a source of mechanical energy and an ele Coupling device between a source of mechanical energy and an ele

1995-04-27

1996-07-02

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With supplemental power source

368204, 320 21, G04B 100, H01M 1046

Patent

active

055329829

ABSTRACT:
A coupling device (1) between a source of mechanical energy (2) and a generator of electrical energy (3) comprises an arbor (4) driven by said source of mechanical energy, a cylindrical element (5) fixedly and coaxially mounted on the arbor, a tube (6) surmounting said cylindrical element arranged to rotate freely about said arbor and drive said generator. A helical spring (7) is friction-fitted on the cylindrical element and on the tube by its first turns (8) and last turns (9) respectively. A space (10) is provided between said tube and cylindrical element and the central turns (11) of the spring (7).

REFERENCES:
patent: 4644246 (1987-02-01), Knapen
patent: 4910720 (1990-03-01), Ray et al.
patent: 4939707 (1990-07-01), Nagao
patent: 5278806 (1994-01-01), Affolter
Patent Abstracts of Japan vol. 12 No. 383 (P-770), 13 Oct. 1988 & JP-A-63 128286 (Seiko Epson Corp).
Horological Journal, Bd. 132, No. 4, Oct. 1989 Upton GB, pp. 124-125, XP 000054948 A. G. Randall "Technical Report-The Jean d'Eve Samara".

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