| 摘要 |
PROBLEM TO BE SOLVED: To decrease the moving speed of a magazine moving in a magazine housing part, and to achieve the positioning of the magazine in the direction of housing. SOLUTION: The moving speed of the magazine 100 is decreased by a shock absorber 302, while making the damper engaging pin 117 of the magazine 100 abut against the engaging member 301 of a magazine damper unit 300, before the positioning pin 113 of the magazine 100 is fit in the positioning guide 257 of a positioning unit 250, and making the engaging member 301 rotate gradually about a rotary shaft 305. After the positioning pin 113 is fit in the positioning guide 257, the decelerating function of the magazine damper unit 300 is switched to a positioning function, and the magazine 100 is pressed against and held to the back side in the direction of housing by the shock absorber 302, in such a state that the damper-engaging pin 117 of the magazine 100 is engaged with the engaging member 301. COPYRIGHT: (C)2007,JPO&INPIT
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