Abstract

A staple hammering mechanism has a drive body (10), means for moving the drive body (10) upward, and means for preventing lowering of a lower arm (12) of the drive body. The drive body (10) is slidably attached to a structure body (4). One end of an upper arm (11) of the drive body is engaged with the inner wall of a handle (2), a blade (60) is attached to one end of the lower arm (12), and the one end of the upper arm (11) and the one end of the lower arm (12) are displaced in the direction in which they are separated from each other. Pressing down the handle (2) causes the upper arm (11) to lower, and while the lower arm (12) is engaged with an engagement body (40), force of the lowering is stored. When the upper arm (11) lowers to a predetermined position, the engagement between the lower arm (12) and the engagement body (40) is released and the stored force is released at one time to complete staple hammering.

IPC Classes  ?

• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work
• B25C 5/11 - Driving means operated by manual power