EP 0217251 A1 19870408 - Magnetic backlash eliminator for a time piece.
Title (en)
Magnetic backlash eliminator for a time piece.
Title (de)
Magnetische Bremse für Uhren.
Title (fr)
Frein magnétique pour pièce d'horlogerie.
Publication
Application
Priority
CH 424885 A 19851002
Abstract (en)
[origin: US4684263A] A magnetic brake for a timepiece including a seconds wheel and a fixed magnet. The wheel is fashioned from magnetic steel. The magnet is located in vicinity of the wheel periphery and radially offset with respect to the teeth thereon.
Abstract (fr)
Frein magnétique pour pièce d'horlogerie, comportant une roue de secondes (14) et un aimant fixe (20). La roue (14) est en acier magnétique. L'aimant se trouve au droit de la périphérie de la roue (14), radialement en retrait de la denture (26).
IPC 1-7
IPC 8 full level
G04C 3/14 (2006.01); G04B 35/00 (2006.01)
CPC (source: EP US)
G04B 35/00 (2013.01 - EP US)
Citation (search report)
- [A] FR 1276205 A 19611117 - JUNGHANS GEB AG
- [A] DE 410706 C 19250305 - TAVANNES WATCH CO SA
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0217251 A1 19870408; EP 0217251 B1 19890621; CH 661403G A3 19870731; DE 3664069 D1 19890727; HK 86992 A 19921113; JP S6291886 A 19870427; US 4684263 A 19870804
DOCDB simple family (application)
EP 86113006 A 19860920; CH 424885 A 19851002; DE 3664069 T 19860920; HK 86992 A 19921105; JP 23134686 A 19861001; US 90458886 A 19860908