| 摘要 |
PROBLEM TO BE SOLVED: To ensure safety by providing a head main body with a receiving part enabling withdrawal of a pin and, besides, to facilitate the work of pulling the pin out and sticking it in. SOLUTION: A pushpin 10 is constituted by having a head main body 11 and a pin 12 supported rotatably by the head main body. The head main body 11 is constituted by having a plate-shaped main body part 14, a pair of finger- putting parts 16 formed by chamfering the main body part 14 along the opposite end edges thereof and groove-shaped receiving parts 17 which are provided on the rear side of the main body part 14 and can receive the pin 12. The pin 12 is so provided that it can be withdrawn into the receiving part 17 when it rotates at a prescribed angle and that the tip of the pin 12 is positioned, on the occasion, inside the maximum width of the head main body 11.
|
