Transmission mechanism for a magnet-bearing ornament

Details Transmission mechanism for a magnet-bearing ornament Transmission mechanism for a magnet-bearing ornament

1997-08-11

1998-12-15

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With fluidic actuation means

368 76, 368223, 368285, G04B 126, G04B 1900, G04B 3700

Patent

active

058503730

ABSTRACT:
A transmission mechanism for a magnet-bearing ornament, in which a clock main spring barrel serves to provide power required by the ornament to show a dynamic scene. The clock main spring barrel has a second wheel to replace a conventional second hand. The second wheel has a large number of teeth provided along its circumferential surface and meshes with a small driven gear to cause the latter to rotate at a high speed. The small driven gear may then cause a magnet-bearing member to coaxially rotate with it via a rotating shaft of the gear connected to the magnet-bearing member. Alternatively, the small driven gear is provided with a major rotational disc having magnets attached thereto. When the small driven gear rotates, the major rotational disc rotates synchronously to magnetically rotate the magnet-bearing member behind a background board of the ornament disposed between the clock main spring barrel and a front showing space. The rotated magnet-bearing member shall cause some magnetically inducible articles in the showing space to move in changeful manners.

REFERENCES:
patent: 3938315 (1976-02-01), ven Kemenczky
patent: 4228649 (1980-10-01), Weiss
patent: 4945523 (1990-07-01), Lam
patent: 5272681 (1993-12-01), Lee

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