| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a chronograph timepiece for saving display of chronograph time by utilizing advantages of a self-alignment structure having three hammer sections as they are. <P>SOLUTION: The chronograph timepiece 1 includes: a force bearing body of a shaft section 80 other than minute and second heart cams 44, 43 and a chronograph core; and a hand return lever 64, which is a hand return lever 64 having a section 65c to be operated for receiving operation force F by an operation section 63c of first and second hand return transferring levers 62, 63 rotated according to press of a reset button, minute and second hammers 67b, 67a, and a third hammer 67c, and is composed so that the hand return lever is guided to determine the posture of the hand return lever in order that the operation force F received by the section to be operated and pieces of reaction force F2, F1, F3 received from the minute and second heart cams 44, 43 and the force bearing body 80 in the minute and second hammers 67b, 67a and the third hammer 67c are balanced when the hand return lever is moved according to the operation force F applied to the section to be operated. <P>COPYRIGHT: (C)2010,JPO&INPIT |
