ACCO Brands Corporation
Staple pusher assembly and method of installing same

Abstract:

A stapler includes a base, a magazine coupled to the base and configured to house staples, and a staple pusher assembly coupled with the magazine and operable to bias staples in the magazine toward a first end of the magazine where staples are driven out of the magazine. The staple pusher assembly includes a staple pusher defining a cavity, and a constant force spring having a first end coupled to the magazine and a second end that is coiled within the cavity in the staple pusher.