| 摘要 |
<p>PURPOSE:To provide the structure of a punch which may easily punch several paper sheets with a simple arrangement. CONSTITUTION:In a punch in which a punch blade 150 formed of an upright column is depressed toward a paper sheet P so as to punch the latter, the punch blade 150 is formed therein with a spiral groove 155, and there are provided a holding member 160 for holding the punch blade 150 in a circumferential direction, a drive means coupled to the holding member 160 so as to vertically reciprocate the punch blade 150 and comprising a motor 171 and the like, and an engaging member such as a pin 157 secured to a punch body such as a guide plate 156 so as to be adapted to engage with the spiral groove 155.</p> |
