Original document(5 pages)  中文版
    The invention relates to a compound swing bar without twist. It takes the structure of three-lay composite sandwich, and the aperture of middle layer is less than that of outer, which thickness is 0.2~0.3 mm in control. So that the line contact between hole on the rocker and top edge of the prism is changed into the point contact on the midpoint of hole to make the rocker hang in a vertical state, eliminate twisting, save time and reduce measure error and cost.
Application Number
申请号		 200610022157 Application Date
申请日		 2006.11.01
Title 名称 Composite twistless compound pendulus rod
Publication Number
公开号		 1945658 Publication Date
公开日		 2007.04.11
Approval Pub. Date Granted Pub. Date
International Classification 分类号 G09B23/06
Applicant(s) Name
申请人		 Sichuan Univ.
Address 地址
Inventor(s) Name 发明人 Liang Defu;Zhang Mingxian
Attorney & Agent 代理人
More information 更  多  信  息


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