The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 01, 2026

Filed:

Apr. 14, 2023
Applicant:

Milwaukee Electric Tool Corporation, Brookfield, WI (US);

Inventors:

David Bierdeman, New Berlin, WI (US);

Andrew R. Wyler, Pewaukee, WI (US);

Nicholas A. Albers, Portland, OR (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C 1/04 (2006.01); B25C 1/00 (2006.01);
U.S. Cl.
CPC ...
B25C 1/041 (2013.01); B25C 1/008 (2013.01); B25C 1/047 (2013.01);
Abstract

A gas spring-powered fastener driver includes a cylinder, a moveable piston positioned within the cylinder, and a driver blade attached to the piston and movable therewith between a top-dead-center (TDC) position and a driven or bottom-dead-center (BDC) position. The driver blade includes a body and a plurality of teeth extending therefrom. The driver blade defines a driving axis. The gas spring-powered fastener driver further includes a lifter operable to move the driver blade from the BDC position toward the TDC position. Each one of the plurality of teeth includes a contact surface engageable with the lifter. The contact surface of each tooth defines an included angle with the driving axis that is greater than 90 degrees.


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