US 11,833,650 B2
Powered fastener driver
Bryan C. Ward, Wauwatosa, WI (US); Jacob N. Zimmerman, Pewaukee, WI (US); Andrew J. Weber, Cudahy, WI (US); and Marcus Wechselberger, Milwaukee, WI (US)
Assigned to MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on Apr. 20, 2022, as Appl. No. 17/724,603.
Application 17/724,603 is a continuation of application No. 17/210,979, filed on Mar. 24, 2021.
Claims priority of provisional application 63/129,056, filed on Dec. 22, 2020.
Claims priority of provisional application 63/056,904, filed on Jul. 27, 2020.
Claims priority of provisional application 62/994,361, filed on Mar. 25, 2020.
Prior Publication US 2022/0241947 A1, Aug. 4, 2022
Int. Cl. B25C 1/04 (2006.01)
CPC B25C 1/043 (2013.01) [B25C 1/047 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A fastener driver comprising:
a housing having a handle portion and a cylinder support portion;
an outer cylinder at least partially received in the cylinder support portion, the outer cylinder defining a storage chamber configured to be filled with pressurized gas;
an inner cylinder positioned within the outer cylinder, the inner cylinder being in communication with the pressurized gas within the storage chamber;
a moveable piston positioned within the inner cylinder;
a driver blade attached to the piston and movable therewith between a top-dead-center position and a bottom-dead-center position along a drive axis; and
a frame integrally formed with the outer cylinder as a single piece, the frame having a lifter housing portion configured to support a lifter assembly operable to move the driver blade from the bottom-dead-center position toward the top-dead-center position.