MECHANISM OF CEASELESS OPERATION OF WATCH IN SABBATH AND WATCH MECHANISM OF CEASELESS OPERATION OF WATCH IN SABBATH

摘要

FIELD: physics.;SUBSTANCE: proposed mechanism comprises mechanism to wind and set hands, spring drive, regulator, sear, primary gear system, power reserve indicator, DOW indicator, and means to indicate need of winding the watch before Sabbath, from Friday night to Saturday midnight, articulated to winding-setting mechanism, spring drive, regulator, sear and allowing arresting watch at Friday night in case watch winding lasts out less than 36 hours after Friday night.;EFFECT: winding reserve indication, ceaseless operation in Sabbath.;8 cl, 21 dwg