POWER RESERVE MECHANISM AND DISPLAY UNIT OF POWER RESERVE MECHANISM

摘要

PROBLEM TO BE SOLVED: To constitute a power reserve mechanism of a simple mechanism without using a planet gear mechanism. ;SOLUTION: A first winding wheel train 150 in charge of winding of a ratchet wheel 2 and a second winding wheel train 160 in charge of winding of a main wheel are set separately in a power reserve mechanism 100. A first display hand 51 is set at a first winding wheel 5 of the first winding train wheel 150, and a second display hand 81 is set at a second winding wheel 8 of the second winding train wheel 160. The first display hand 51 and be second display hand 81 rotate in the same direction. An accumulation amount of power of a spring is displayed by a relative change of the two display hands.;COPYRIGHT: (C)1999,JPO