| 摘要 |
A driver (60) supported reciprocally movably on an apparatus frame for driving staples into a sheet bundle, first cam members (23) and second cam members (24) interlocked to the members to move reciprocally the driver (60), and a drive motor (21) interlocked to the first cam members and the second cam members via deceleration gears (22), wherein the first cam members (23) and the second cam members (24) are made up of at least two rotating cams (23e) and (24e) having driver swinging pins (23g) and (24g) intersecting a plane formed of a reciprocal movement locus of the driver (60), and the two cam members (23) and (24) and the driver (60) are engaged at more than two points. |
