Mechanical watch movement

Details Mechanical watch movement Mechanical watch movement

1976-12-07

1979-06-05

Weldon, Ulysses

58108, 58109, 58110, 58136, G04B 1700

Patent

active

041570081

ABSTRACT:
A balance spring support which is blanked out or stamped to a shape such as to embrace at least two faces of the outer end of the balance spring. A bond is used for securing said outer end of the balance spring to at least one of said faces. The support is detachable from the rest of the movement.

REFERENCES:
patent: 3564840 (1971-02-01), Meitinger
patent: 3630016 (1971-12-01), Fujihira
patent: 3842592 (1974-10-01), Giger
patent: 3846612 (1974-11-01), Augsburger
patent: 3896614 (1975-07-01), Bachmann

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