EP 1760549 B1 20140423 - Gong for a striking mechanism in a timepiece
Title (en)
Gong for a striking mechanism in a timepiece
Title (de)
Tonfeder für ein Schlagwerk einer Uhr
Title (fr)
Timbre pour mécanisme de sonnerie de pièce d'horlogerie
Publication
Application
Priority
EP 05405507 A 20050901
Abstract (en)
[origin: EP1760549A1] The gong (1) has an end comprising a fixation element (1a) for fixing the end to a frame of a timepiece, where the gong is in the form of a bended blade having 0.2 millimeter thickness. A free part of the blade is conformed so that its natural vibration frequency is located in field of sound consecutive to a percussion exerted on a section of the free part. The fixation element and the blade constitute a single piece with uniform thickness.
IPC 8 full level
G04B 21/12 (2006.01)
CPC (source: EP)
G04B 21/12 (2013.01)
Citation (examination)
- US 321882 A 18850707
- US 3183760 A 19650518 - ADOLF MICHEL
Designated contracting state (EPC)
CH DE FR LI
DOCDB simple family (publication)
DOCDB simple family (application)
EP 05405507 A 20050901