Title: Gear mechanism of timepiece, hand winding mechanism and timepiece having the same
Application Number: 200610008667 Application Date: 2006.02.21
Publication Number: 1825219 Publication Date: 2006.08.30
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G04B7/00
Applicant(s) Name: Seiko Instruments Inc. Address:
Inventor(s) Name:
Attorney & Agent: wen dapeng
Abstract:
     The invention relates to a timing gear and hand-operated coiling device, wherein said gear comprises the first gear structural element of first gear that rotates around the first rotation central axle; an axial support element with a long hole extending in the middle arc of first rotation central axle; a round axial element whose circumference of section can rotationally mounted on the long hole around the second central axle and the second rotation central axle; the second gear structural element of second gear meshed with the first gear and sliding rotation, while it is mounted on the axle element; and the third gear structural element of third gear which will release the second gear when the axial rotation element is arranged on the mesh position at one end of long hole and the axial rotation element is arranged at the non-mesh position at another end of long hole.
Time: 10