Elongated-member-driving apparatus – With means to form member prior to penetration of work
Patent
1994-08-04
1995-10-03
Rada, Rinaldi I.
Elongated-member-driving apparatus
With means to form member prior to penetration of work
227120, 227136, B27F 721
Patent
active
054545030
ABSTRACT:
An electric stapler comprises a cartridge and an electric stapler main body on which the cartridge is detachably mounted. The cartridge integrally including: an accommodating section for accommodating a plurality of staple sheets in multi-layered form, each of the staple sheets being formed by sticking straight staples together in sheet-like form; a staple passage extending from a lower end of the accommodating section; a pusher for pushing legs of a staple forward, the staple being formed into a square U-shape at a front end of the staple passage; and a drive channel, arranged at the front of the staple passage, for receiving the formed staple pushed by the pusher. And the electric stapler main body including: an attaching section for attaching the cartridge thereto; a staple feeder for feeding the staple sheets from within the cartridge toward the staple passage; a forming and driving device for sequentially forming a staple of the fed staple sheet from the front end of the staple sheet into a square U-shape and driving the formed staple out; and a clincher section for clinching the legs of the driven staple.
REFERENCES:
patent: 4570841 (1986-02-01), Olesen
patent: 4588121 (1986-05-01), Olesen
patent: 4623082 (1986-11-01), Kurosawa
patent: 5269451 (1993-12-01), Udagawa et al.
patent: 5273199 (1993-12-01), Logtens
patent: 5346114 (1994-09-01), Ukagawa et al.
Udagawa Hiroshi
Yoshie Toru
Max Co. Ltd.
Rada Rinaldi I.
Stelacone Jay A.
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