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:
Nov. 04, 2025

Filed:

Oct. 09, 2023
Applicant:

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

Inventors:

Brennen M. Gleason, Milwaukee, WI (US);

Caleb R. Hendryx, Waukesha, WI (US);

Michael C. Reed, Milwaukee, WI (US);

Julio C. Armendariz, Durango, MX;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/06 (2006.01); E04F 21/24 (2006.01); H01H 21/10 (2006.01); H01M 50/247 (2021.01); H02K 11/33 (2016.01);
U.S. Cl.
CPC ...
H01H 9/06 (2013.01); E04F 21/248 (2013.01); H01H 21/10 (2013.01); H01M 50/247 (2021.01); H02K 11/33 (2016.01); H01H 2009/065 (2013.01); H01H 2009/068 (2013.01);
Abstract

Systems and methods for controlling a power trowel. A power trowel includes a handle including a speed control input, a housing, a shaft connecting the handle and the housing, a safety mechanism located on the shaft, a blade assembly positioned below the housing, a motor located within the motor housing and coupled to the blade assembly, and a controller. The safety mechanism includes a safety lever configured to move in response to an uncontrolled condition of the power trowel. The controller is connected to the motor and the safety mechanism. The controller is configured to drive, in response to actuation of the speed control input, the motor, detect a movement of the safety lever from a first position to a second position, and perform, in response to the movement of the safety lever to the second position, a safety operation.


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