Title: Callipers
Application Number: 92109908 Application Date: 1992.09.23
Publication Number: 1084633 Publication Date: 1994.03.30
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01B3/38
Applicant(s) Name: Ge Tengjiang Address: 110003
Inventor(s) Name:
Attorney & Agent: LI DIANLIANG
Abstract:
     The present invention relates to a callipers for measuring width of valve body fender. The technological feature is that at the center section of measuring ruler, zero graduation is set, and on both sides there are two sliding vernier rulers with long ruler pawl and two microrule frame. On the vernier rules and microrule frame, there are measurement reading graduations corresponding to those on measuring ruler.
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