Invention Grant
US08479594B2 Apparatus and method for measuring slip resistance of wrench and apparatus for measuring roundness of threaded fastener
有权
用于测量扳手滑动阻力的装置和方法以及用于测量螺纹紧固件圆度的装置
- Patent Title: Apparatus and method for measuring slip resistance of wrench and apparatus for measuring roundness of threaded fastener
- Patent Title (中): 用于测量扳手滑动阻力的装置和方法以及用于测量螺纹紧固件圆度的装置
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Application No.: US12725455Application Date: 2010-03-17
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Publication No.: US08479594B2Publication Date: 2013-07-09
- Inventor: Chih-Ching Hsieh
- Applicant: Chih-Ching Hsieh
- Applicant Address: TW Taichung County
- Assignee: Chihching Hsieh
- Current Assignee: Chihching Hsieh
- Current Assignee Address: TW Taichung County
- Agency: CKC & Partners Co., Ltd.
- Priority: TW98146507A 20091231
- Main IPC: G01L5/24
- IPC: G01L5/24
Abstract:
An apparatus for measuring the slip resistance of a wrench includes a base, at least one first threaded fastener, and at least one second threaded fastener. Both the first threaded fastener and the second threaded fastener are threaded into the base, wherein the roundness of the first threaded fastener and the roundness of the second threaded fastener are different.
Public/Granted literature
Information query
