Patent ID: 11931874
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A fastener driver comprising:
a housing;
a cylinder disposed within the housing;
a piston positioned and moveable within the cylinder;
a driver blade including a body defining a first end, a second end opposite the first end, a first edge, a second edge, a plurality of teeth extending from the first edge of the body between the first and second end, the body having
an elongated recess extending along a surface of the driver blade between the first and second edges, and along a portion of the first edge from which the plurality of teeth extend, and
a guiding projection positioned at least partially within the elongated recess at a position between the first and second edges, wherein the first end includes an aperture defined therein, and wherein the aperture is sized to receive a fastener to attach the driver blade to the piston, wherein the driver blade is moveable with the piston from a first position toward a second position along a longitudinal axis during a fastener driving operation;
a nosepiece at least partially defining a fastener driving track through which fasteners are driven; and
a lifter assembly configured to engage the teeth, wherein a single revolution of the lifter assembly sequentially engages the plurality of teeth to move the driver blade from the second position to the first position.