Electric stapling gun with auto-reset, energy-saving and shock-a

Details Electric stapling gun with auto-reset, energy-saving and shock-a Electric stapling gun with auto-reset, energy-saving and shock-a

1989-04-26

1990-09-04

Bell, Paul A.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

227 8, 227156, B25C 515

Patent

active

049537741

ABSTRACT:
This invention relates to an electric stapling gun with auto-reset, energy-saving and shock-absorbing functions and in particular to one utilizing a lobe of a cam to press a second link rod to turn on a micro-switch once again so as to avoid the dead point of a prior art stapling gun. Further, a spring with different pitches at both ends is used to reduce the work required for producing same momentum on a staple in comparison with the prior art thereby saving energy. In addition, the stapling gun is provided a metallic protective ferrule for keeping the housing of the stapling gun from being damaged.

REFERENCES:
patent: 4530454 (1985-07-01), Gloor et al.
patent: 4618087 (1986-10-01), Lai
patent: 4640452 (1987-02-01), Matt et al.
patent: 4807793 (1989-02-01), Ghibely
patent: 4811885 (1989-03-01), Lai
patent: 4834278 (1989-05-01), Lin

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