Regulator and balance bridge arrangement for a horological devic

Details Regulator and balance bridge arrangement for a horological devic Regulator and balance bridge arrangement for a horological devic

1975-01-08

1976-03-16

Miller, Jr., George H.

58115, G04B 1714, G04B 1732

Patent

active

039437019

ABSTRACT:
A horological device with a conventional balance wheel assembly, supporting bridge and hairspring with an adjustable regulator for the hairspring. The improvement comprises means for pinning the end of the hairspring to the bridge and a special bridge extension to retain the hairspring in the open regulator slot. In a first embodiment, the bridge extension is part of an integral bridge member. In the second embodiment, the bridge extension is pivotable to cover the regulator slot as well as to pin the hairspring to the bridge.

REFERENCES:
patent: 3564840 (1971-02-01), Meitinger

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