GAS SPRING-POWERED FASTENER DRIVER

Abstract: a gas spring-powered fastener driver includes a cylinder configured to contain a pressurized gas therein, a piston disposed within and movable along the cylinder, a driver blade attached to the piston and moveable therewith between a top-dead-center (tdc) position and a bottom-dead-center (bdc) position, the driver blade configured to drive a fastener when moved from the tdc position toward the bdc position, and a two-way valve in fluid communication with the cylinder. the two-way valve is configured to selectively permit an inbound flow of gas into the cylinder, permit an outbound flow of gas from the cylinder, and seal the cylinder to inhibit both inbound flow and outbound flow of gas from the cylinder. the two-way valve includes an interior end in fluid communication with the cylinder, an exterior end in selective fluid communication with the surroundings of the gas spring-powered fastener driver, and a sealing area.

Inventor(s): Alex J. Brasel, Garrett C. Waldron

CPC Classification: B25C1/047 (HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS (for shoemaking ))

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