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. 01, 2022

Filed:

Feb. 20, 2020
Applicant:

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

Inventors:

Alex Huber, Menomonee Falls, WI (US);

Matthew Wycklendt, Madison, WI (US);

Matthew Mergener, Mequon, WI (US);

Cole Conrad, Wauwatosa, WI (US);

Wing Fung Yip, Kowloon, HK;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B 23/147 (2006.01); B25B 21/02 (2006.01); B25B 23/18 (2006.01);
U.S. Cl.
CPC ...
B25B 23/1475 (2013.01); B25B 21/02 (2013.01); B25B 23/18 (2013.01);
Abstract

A power tool and method of detecting impacts of a power tool that includes a motor driving a hammer to impact an anvil. A motor control unit is configured to determine a motor characteristic indicative of a speed of the motor. When the motor characteristic indicates that the speed of the motor is below a speed threshold, the motor control unit employs an acceleration-based technique to detect a first impact based on a change in motor acceleration and generate a first impact indication in response to detecting the first impact. When the motor characteristic indicates that the speed is above the speed threshold, the motor control unit employs a time-based technique to detect a second impact based on an elapsed time and generates a second impact indication in response to detecting the second impact.


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