Chain wheel assembly unit for the weight movement of a clock

Details Chain wheel assembly unit for the weight movement of a clock Chain wheel assembly unit for the weight movement of a clock

1999-02-17

2000-10-03

Miska, Vit

Horology: time measuring systems or devices

Escapements

368139, G04B 1500, G04B 100

Patent

active

061263087

ABSTRACT:
Chain wheel assembly unit for weight movement of a clock movement and/or of a striking train of a clock comprises a chain wheel (22), which is arranged on a shaft (1) between two coaxial profiled disks (20, 21), is in rotary connection with a drive gear (7) axially fixed on the shaft (1) via a directional locking mechanism in the direction of drive and is pressed with its two profiled disks (20, 21) against the drive gear (7) by a spring in the axial direction. The chain wheel (22) and the first profiled disk (20) located between it and the drive gear (7) are in connection with one another, rotating in unison, at least in the direction of drive, through a coupling element (14). This profiled disk (20) has at least one axially movable flexible tongue (31 through 34), which engages a support surface ring (9) of the drive gear. The second profiled disk (21) is designed as a mute disk and holds together the parts which are otherwise seated loosely on the shaft (1).

REFERENCES:
patent: 3778997 (1973-12-01), Jauch
patent: 4098068 (1978-07-01), Masutama
patent: 4600315 (1986-07-01), Nakamura

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