| 摘要 |
<p>PURPOSE: To shorten the whole length of a spring type press pin by forming a guide sleeve allowing a pin to freely slide therein in a compression spring while resisting the elastic force thereof, and a recessed part formed in the radial direction between the guide sleeve and a stud and extended in the axial direction to receive the compression spring. CONSTITUTION: A pin 1 passes through a guide sleeve 2 movable in the axial direction, and the guide sleeve 2 is formed of a lower screw 3 formed adjacent to the spanner surface, and the spanner surface 4 is engaged with a tool in order to screw the press pin to the receiver hole. The guide sleeve 2 includes a sleeve 5 adjacent to the peripheral part of the pin over the whole length thereof at the upper end thereof, and a stud 12 is formed of a sleeve part 17 for providing a contact surface and a fitting surface to the pin 1. The sleeve part 14 is formed outside of the stud 12, and formed with a recessed part 7 extended in the axial direction between the sleeve parts 14, 15, and a compression spring 9 for giving the elastic force of the press pin is arranged in the recessed part 7. With this structure, since the spring required to spring the pin up is arranged in the overlapped area, the whole length can be shortened.</p> |
