Patent ID: 7210884

Claim:
A fastening component comprising: a head disposed at an end of a shaft and having a diameter greater than that at the end of the shaft; a washer holder formed around an outer circumference of the shaft, at an end portion of the shaft at which the head is disposed; and a washer disposed at the end portion of the shaft having the washer holder, the washer being made of a shape-memory member having an outer diameter greater than the diameter of the head and capable of being contracted in a radial direction with the application of heat into a contracted position, wherein the washer holder includes: a washer container having a diameter smaller than an inner diameter of the washer and capable of receiving the washer in the contracted position; and a washer locker formed adjacently to the washer container at an end of the washer container opposite to the head and having a diameter greater than the diameter of the washer container, the washer locker includes protrusions formed on the outer surface of the washer locker at an end opposite to the washer container and protruding in the radial direction from the outer circumference of the washer locker.