Top loading staple cassette
OwnerYing-Chou Leeinventor
Life of this patent
Estimating the term…
Abstract
A staple cassette for a stapler includes a base member having two side walls and a pushing member are movably mounted onto the two side walls of the base member. A first hook extends from an underside of the base member and located close to a first end of the base member, and an opening is defined through the underside of the base member and located close to a second end of the base member. The pushing member has a second hook extending from an underside there. A spring has a first end hooked to the first hook on the base member and a second end of the spring extends through the opening and engaged with the second hook. A cover is mounted to the base member and includes an opening defined through the top of the cover. A top piece is slidably engaged with the opening of the cover.
Claims5
A staple cassette comprising:
- a base member having two side walls and two flanges extending from two sides of the base member so as to define a receiving space, a first hook extending from an underside of the base member and located close to a first end of the base member, an opening defined through the underside of the base member and located close to a second end of the base member;
- a pushing member having a top and two sides which are mounted to two respective outsides of the two side walls of the base member, a second hook extending from an underside of the top;
- a spring having a first end hooked to the second hook on the pushing member and a second end of the spring extending through the opening and engaged with the first hook on the base member;
- a cover mounted to the base member and including a top and two side walls, a slot defined through the top of the cover and an opening defined through the top of the cover, the two side walls of the base member located between the two side walls of the cover, and
- a top piece slidably engaged with the opening.
Dependencies are inferred from the claim text.