Patent ID: 7836794
Filing Date: 2010-11-23
Classification: B23P,F16B,Y10T

Abstract:
1. A bolt fastening method for a bolt having a bolt head and a bolt shank provided with an external thread to fasten members, the members including a first member having a bolt bearing surface, the bolt fastening method comprising: imparting a lateral load to the bolt head in a direction that is parallel to the bolt bearing surface causing the bolt head to incline with respect to the bolt bearing surface; and while the bolt head is inclined with respect to the bolt bearing surface, imparting a rotational torque rotating the bolt head so as to fasten the bolt; wherein the lateral load imparted to the bolt head in the direction that is parallel to the bolt bearing surface of the first member is imparted such that the inclination of the bolt center axis with respect to the bolt bearing surface is held at a predetermined angle in a single plane while the rotational torque is being imparted.