CONTACTING DEVICE OF SIGNALLING MECHANISM OF TIME MEASURING APPARATUS Russian patent published in 1995 - IPC

FIELD: timepiece industry branch. SUBSTANCE: the plate supports the sleeve of the signalling wheel , provided by the stationary contact , having the springily contacting member , and by the contact, mounted in an opening of the wheel. Upon rotation of the hour wheel the contact at predetermined time moments closes with the contact , providing energization of a signalling system. The springy contact slides along the current-conductive track, secured to the plate. EFFECT: enhanced reliability of the signalling device, its autonomous operation and universal using, independent upon an outer design of the timepiece; possibility of testing before mounting the contacting device into the timepiece casing. 1 cl, 6 dwg