Gas spring-powered fastener driver

US11072058B2 · kind B2 · utility

Assignee

• Milwaukee Electric Tool Corporation · US

Inventors

• Andrew R. Wyler · Pewaukee, US
• Nathan T. Armstrong · Glendale, US
• Jason D. Thurner · Menomonee Falls, US
• Troy C. Thorson · Cedarburg, US
• John S. Scott · Brookfield, US
• Jeremy R. Ebner · Milwaukee, US
• Daniel R. Garces · Boca Raton, US
• Ryan A. Dedrickson · Eau Claire, US
• Luke J. Skinner · Brookfield, US
• Benjamin R. Suhr · Milwaukee, US

Key dates

• Filing date: Nov 27, 2018
• Grant date: Jul 27, 2021
• Expiry date: Nov 28, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B25C1/047
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A gas spring-powered fastener driver including a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter operable to move the driver blade from the driven position to the ready position, a transmission for providing torque to the lifter, a first clutch mechanism permitting a transfer of torque to an output shaft of the transmission in a single rotational direction, and a second clutch mechanism limiting an amount of torque transferred to the transmission output shaft and the lifter.