Driver unit and electric stapler

Details Driver unit and electric stapler Driver unit and electric stapler

2005-05-24

2005-05-24

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

C227S136000, C227S155000

Reexamination Certificate

active

06896167

ABSTRACT:
A driver unit comprises a fixed frame (12), an inner frame (20), a magazine (40), a cartridge (50), a driver (70) attached movably upwardly and downwardly to the magazine (40) and pivoted on the inner frame (20), and a basing member for biasing downwardly the magazine (40). A staple is driven out through the driver (70) entered in a drive-out part by the inner frame being moved upwardly together with the magazine (40) by the lifting of a clincher part (111) of a clincher unit (100). When the clincher part (111) is lowered, the inner frame (20) and magazine (40) are lowered and returned to an initial position by the biasing member. The magazine40is attached rotatably about a shaft44on the inner frame20. The cartridge (50) can be removed from the magazine (40) by rotating the magazine (40) to direct upwardly a back portion of the magazine (40).

REFERENCES:
patent: 5460314 (1995-10-01), Udagawa
patent: 5791543 (1998-08-01), Udagawa et al.
patent: 5823415 (1998-10-01), Udagawa et al.
patent: 5975396 (1999-11-01), Manabe
patent: 6050471 (2000-04-01), Yagi
patent: 6371352 (2002-04-01), Mochizuki
patent: 6568579 (2003-05-01), Mochizuki
patent: 6616029 (2003-09-01), Andersson
patent: 6626348 (2003-09-01), Kitamura
patent: 6634536 (2003-10-01), Yoshie

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