Hairspring and collet assembly for timepieces

Details Hairspring and collet assembly for timepieces Hairspring and collet assembly for timepieces

1975-06-16

1976-05-18

Hix, L. T.

58140R, G04B 1732

Patent

active

039568814

ABSTRACT:
A hairspring and collet assembly for timepieces in which the collet has a base having an opening and a stud integral from the base in a direction parallel to the axis of the opening. The hairspring comprises an inner turn ending in a bend. The stud occupies a portion of the base extending between the opening and the periphery of the base. The non-deformed portion of the inner turn of the hairspring is secured to the stud and the bend extends freely away from the stud about the opening.

REFERENCES:
patent: 3274766 (1966-09-01), Desaules et al.
patent: 3395532 (1968-08-01), Schneider
patent: 3429120 (1969-02-01), Charpilloz
patent: 3623314 (1971-11-01), Schneider
patent: 3673376 (1972-06-01), Kullmann
patent: 3696687 (1972-10-01), Harland
patent: 3735586 (1973-05-01), Berney
patent: 3842592 (1974-10-01), Giger
patent: 3846612 (1974-11-01), Augsburger
patent: 3868490 (1975-02-01), Aeschlimann et al.
patent: 3906714 (1975-09-01), Schneider

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