Timepiece of the mechanical or electromechanical type including

Details Timepiece of the mechanical or electromechanical type including Timepiece of the mechanical or electromechanical type including

1992-12-15

1995-01-24

Roskoski, Bernard

Horology: time measuring systems or devices

With calendar indicator

Setting or resetting

368 38, G04B 1924

Patent

active

053847555

ABSTRACT:
The invention concerns a timepiece. Such timepiece comprises: a horometric movement (1) including a motor pinion or intermediate wheel (2), a crown wheel with interior teeth (6) associated with a first display system, such as a date display, and a jumper spring (8), a driving wheel set (10) including a drive wheel (12) controlled by the motor pinion (2) and transmitting a motor couple received from the motor pinion to the crown (6) through a salient tooth (14), such wheel set (10) additionally including a hub (16) which is mounted to rotate freely relative to the movement and which elastically supports the drive wheel (12) through an elastic arm (22), such timepiece being characterized in that the elastic arm (22) which supports the drive wheel (12) has a basically C form winding around the hub (16), while the drive wheel (12) meshes directly with the motor pinion (2). The invention is applicable to a timepiece of the mechanical or electromechanical type.

REFERENCES:
patent: 3352103 (1965-10-01), Giger
patent: 3732687 (1973-05-01), Miyasaka et al.
patent: 3875739 (1975-04-01), Mougin
patent: 3911667 (1975-10-01), Komiyama
patent: 3983691 (1976-10-01), Schaller et al.
patent: 4372687 (1983-02-01), Krasovsky et al.
Latest Developments Incorporated in Bulova Self-Winding Movement; Horological Journal No. 112, Mar. 1970 pp. 10-12 Shimmin.

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