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1. WO2014170147 - MECHANICAL OSCILLATOR FOR A TIMEPIECE MOVEMENT

Publication Number WO/2014/170147
Publication Date 23.10.2014
International Application No. PCT/EP2014/056883
International Filing Date 04.04.2014
IPC
G04B 17/06 2006.01
GPHYSICS
04HOROLOGY
BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS
17Mechanisms for stabilising frequency
04Oscillators acting by spring tension
06Oscillators with hairsprings, e.g. balance
G04B 17/32 2006.01
GPHYSICS
04HOROLOGY
BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS
17Mechanisms for stabilising frequency
32Component parts or constructional details, e.g. collet, stud
G04B 43/00 2006.01
GPHYSICS
04HOROLOGY
BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS
43Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
CPC
G04B 17/06
GPHYSICS
04HOROLOGY
BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
17Mechanisms for stabilising frequency
04Oscillators acting by spring tension
06Oscillators with hairsprings, e.g. balance
G04B 17/32
GPHYSICS
04HOROLOGY
BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
17Mechanisms for stabilising frequency
32Component parts or constructional details, e.g. collet, stud ; , virole or piton
G04B 43/007
GPHYSICS
04HOROLOGY
BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
43Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
007Antimagnetic alloys
Applicants
  • BALL WATCH COMPANY SA [CH]/[CH]
Inventors
  • ANTILLE, Philippe
Agents
  • RICHARD, François-Régis
Priority Data
00786/1317.04.2013CH
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) MECHANICAL OSCILLATOR FOR A TIMEPIECE MOVEMENT
(FR) OSCILLATEUR MECANIQUE POUR MOUVEMENT HORLOGER
Abstract
(EN)
The present invention concerns a mechanical oscillator (1), for a timepiece movement, comprising a balance (14) combined with a spiral spring (16), and a balance bridge (2) carrying a bush (8) in which there pivots one end of a balance shaft (12), to which said balance (14) and a first end of the spiral spring (16) are rigidly connected, a support (18) for holding the second end of the spiral spring (16), and a protection cage (26, 126) for protecting the spiral spring (16) comprising a substantially planar first face (28), rigidly connected to the balance bridge (2), and a substantially cylindrical wall (32) arranged at the periphery of the spiral spring (16). The protection cage (26, 126) is open on the second face (30), positioned facing the balance (14), and has first and second openings (34, 36) provided in the first face (28) to define respective passages for the balance shaft (12) and for the support (18).
(FR)
La présente invention concerne un oscillateur mécanique (1), pour mouvement horloger, comportant un balancier (14) associé à un ressort spiral (16), ainsi qu'un pont de balancier (2) portant un palier (8) dans lequel est pivotée une extrémité d'un arbre de balancier (12), dont ledit balancier (14) et une première extrémité du ressort spiral (16) sont solidaires, un support (18) pour retenir la seconde extrémité du ressort spiral (16), et une cage de protection (26, 126) du ressort spiral (16) comprenant une première face (28) sensiblement plane, solidaire du pont de balancier (2), et une paroi (32) sensiblement cylindrique agencée à la périphérie du ressort spiral (16). La cage de protection (26, 126) est ouverte sur sa seconde face (30), située en regard du balancier (14), et présente des première et seconde ouvertures (34, 36) ménagées dans la première face (28) pour définir des passages respectifs pour l'arbre de balancier (12) et pour le support (18).
Also published as
Latest bibliographic data on file with the International Bureau