Pneumatic driving system for stapler

Details Pneumatic driving system for stapler Pneumatic driving system for stapler

1998-11-02

1999-07-20

Smith, Scott A.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

227 8, B25C 104

Patent

active

059246219

ABSTRACT:
A stapler includes a driving member slidably disposed in the front portion for driving the nails or the like and includes a chamber for receiving a base and a casing and includes a channel for allowing the air to be discharged to the rear portion of the stapler. A valve member is slidably received in the casing and is biased to engage with a valve seat of the stapler for blocking the pressurized air to drive the driving member. The base has an aperture for receiving the pressurized air and for allowing the pressurized air to balance the valve member. The pressurized air in the casing is allowed to flow out of the stapler for allowing the valve member to be forced away from the valve seat when a button is forced to block the aperture of the base.

REFERENCES:
patent: 5083694 (1992-01-01), Lemos
patent: 5551621 (1996-09-01), Vallee
patent: 5669541 (1997-09-01), Ronconi
patent: 5791545 (1998-08-01), Lin
patent: 5836501 (1998-11-01), Lai

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