Title: Head gear variable teeth series mechanical timer travel time system
Application Number: 200610052917 Application Date: 2006.08.14
Publication Number: 1909140 Publication Date: 2007.02.07
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01H43/10;G04B13/00;G04F3/02
Applicant(s) Name: Xu Guolin Address:
Inventor(s) Name: Xu Guolin
Attorney & Agent:
Abstract:
    The invention relates to a timer system of head gear tooth-variable system, wherein it uses tooth-variable head gear; it changes the tooth number to change the rotation range, to form the timer, with wide application, to reduce the production period.
Time: 4