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热词
    • 6. 发明授权
    • Load indicating member, apparatus and method
    • 负载指示部件,装置和方法
    • US4686859A
    • 1987-08-18
    • US926309
    • 1986-10-31
    • Paul Wallace
    • Paul Wallace
    • B25B23/14B25B23/147F16B31/02G01L5/24G01L1/04
    • B25B23/14B25B23/147F16B31/025G01L5/24
    • A method of measuring the load in a member subjected to longitudinal stress, a load measuring device and a fastener tightening device using the method of measuring, a load indicating member and a load indicating fastener for use in conjunction with the method of measuring, a method of making the load indicating fastener, and a method of tightening the load indicating fastener. A preselected end of a pin is secured to a shank of a load indicating member, such as a load indicating fastener, in a manner such that the pin is unaffected by the elastic deformation of the shank in response to longitudinal stress. Coplanar first and second flat surfaces are formed, respectively, adjacent to the longitudinal ends of the pin and the shank furthest from the preselected end of the pin such as to provide reference surfaces for the measurement of the elongation of the shank in response to longitudinal stress.
    • 一种测量受到纵向应力的构件的负荷的方法,负荷测量装置和使用测量方法的紧固件紧固装置,与测量方法结合使用的负载指示构件和负载指示紧固件的方法 制造负载指示紧固件的方法,以及紧固负载指示紧固件的方法。 销的预选端被固定到诸如负载指示紧固件的负载指示构件的柄上,使得销不受轴的响应于纵向应力的弹性变形的影响。 分别形成共面的第一和第二平坦表面,邻近销的纵向端部和距离销的预选端部最远的柄部,以提供用于响应于纵向应力来测量柄部的伸长的参考表面 。