Title: Balance-spring variable frequency series mechanical timer travel time system
Application Number: 200510061903 Application Date: 2005.12.08
Publication Number: 1776546 Publication Date: 2006.05.24
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G04B1/10,G04B15/00,G04B17/00,G04B18/00,G04B19/02,G04D99/00
Applicant(s) Name: Xu Guolin Address: 311400
Inventor(s) Name:
Attorney & Agent:
Abstract:
     Hairspring in frequency conversion series or assembly of escapement-hairspring in hairspring frequency conversion series is adopted in system of traveltime. Under precondition of not changing integral structure of system and relevant technical data, changing length or rigidity of hairspring changes oscillation frequency of hairspring in frequency conversion series or assembly of escapement-hairspring in hairspring frequency conversion series so as to form mechanical timer in hairspring frequency conversion series determined by basic timing quantity in hairspring frequency conversion series. Advantages are: enriching production specifications, and shortening production cycle.
Time: 18