Anti-shock collet

Details Anti-shock collet Anti-shock collet

2007-02-05

2011-11-01

Kayes, Sean (Department: 2833)

Horology: time measuring systems or devices

Oscillating or reciprocating means

Balance wheel type

C368S175000

Reexamination Certificate

active

08047705

ABSTRACT:
The collet, which can be made in a single piece and at the same time as the balance-spring, is formed by a plate (1) which includes an aperture (3) for attachment to a balance staff (5) and has an asymmetrical contour (9) which follows at a substantially constant distance d the contour of the first coil (11) of the inner terminal curve. The plate can further include recesses (13) for repositioning the centre of gravity g on the balance staff (5).

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