Timepiece

Details Timepiece Timepiece

2008-03-13

2010-11-16

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Mechanical time base

Mainspring

C368S147000, C368S210000

Reexamination Certificate

active

07832924

ABSTRACT:
A timepiece having a mainspring, an output wheel that is rotated by torque output from the mainspring, a lever that pivots synchronously to the output wheel, and a pressure member that pushes the lever. The pressure member pushed the lever so that the output torque of the output wheel increases as the mainspring unwinds.

REFERENCES:
patent: 161957 (1875-04-01), Hanson
patent: 167372 (1875-08-01), Wheeler
patent: 942374 (1909-12-01), Buhler
patent: 279954 (1951-12-01), None
patent: 0950931 (1999-10-01), None
patent: 1914604 (2008-04-01), None
patent: H08-005758 (1996-01-01), None
patent: 2000-002773 (2000-01-01), None

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