Low-noise power stapler

Details Low-noise power stapler Low-noise power stapler

1996-05-14

1997-09-30

Smith, Scott A.

Elongated-member-driving apparatus

With control means responsive to sensed condition

Work-responsive

227123, 227131, 227134, B25C 106, B27F 736

Patent

active

056718799

ABSTRACT:
A power stapler in which the electromagnetic valve has a movable annular metal block which moves downwards to prevent the occurrence of a high striking noise when attracts the valve rod to strike the striking plate; the guard plate which stops staples in the magazine can be alternatively adjusted to the closed position to close the front end of the magazine, the open position to open the front end of the magazine for the loading of staples, or the mid-way position to partially close the front end of the magazine for permitting jammed staples to be removed from the magazine.

REFERENCES:
patent: 4186863 (1980-02-01), Yunoki
patent: 4726505 (1988-02-01), Okazaki
patent: 5012967 (1991-05-01), Johansson
patent: 5195671 (1993-03-01), Shimomura et al.
patent: 5222645 (1993-06-01), Sueda
patent: 5230457 (1993-07-01), Hiroi et al.
patent: 5427296 (1995-06-01), Chen

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