Patent ID: 8350151

Claim:
A stud bolt assembly comprising: a stud bolt having a shaft portion and a head portion, the head portion having a seat surface and the shaft portion having a proximal end side projection that protrudes from the seat surface; a bolt cover including a bottom wall and a tubular peripheral wall, the bottom wall being provided with a receiving aperture in a central part of the bottom wall, the head portion of the stud bolt being contained within the peripheral wall, and the shaft portion of the stud bolt being inserted into the receiving aperture such that the shaft portion of the stud bolt protrudes outward from the receiving aperture; a rotation preventing means for restraining the head portion of the stud bolt from rotating about a center line of the head portion within the peripheral wall; and a play allowable means for restraining an amount of displacement of the stud bolt in an axial direction while preventing the head portion of the stud bolt from disengaging from the peripheral wall of the bolt cover; a distal end surface of the proximal end side projection protruding from the receiving aperture in the bottom wall of the bolt cover with the shaft portion of the stud bolt protruding at a maximum length from the bolt cover.