Regulator key for watch movements

Details Regulator key for watch movements Regulator key for watch movements

1976-10-26

1978-04-11

Witkowski, Stanley J.

G04B 1714

Patent

active

040831795

ABSTRACT:
A one-piece regulator key for watch movements includes two spaced apart prongs projecting from and integral with a common support, each prong has an inward plane surface facing and substantially parallel to a like inward plane surface on the other prong and is provided at its free end with an inwardly projecting protuberance for decreasing the spacing between the prongs at their free ends.

REFERENCES:
patent: 229215 (1880-06-01), Wheeler
patent: 812234 (1906-02-01), Roost
patent: 3306026 (1967-02-01), Kocher
patent: 3564840 (1971-02-01), Meitinger
patent: 3630016 (1971-12-01), Fujihiri
patent: 3638419 (1972-02-01), Diersbock
patent: 3745763 (1973-07-01), Zaugg
Horological Dictionary of Ebauches S.A., pp. 6, 113.

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