Imported: 24 Feb '17 | Published: 06 Jan '04
USPTO - Utility Patents
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.
The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.
1. A staple cassette comprising:
2. The cassette as claimed in
3. The cassette as claimed in
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