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:
Jun. 08, 2021

Filed:

Apr. 30, 2018
Applicant:

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

Inventors:

Matthew J. Mergener, Mequon, WI (US);

Michael Kolden, Wauwatosa, WI (US);

William E. Check, Milwaukee, WI (US);

Matthew P. Wycklendt, Madison, WI (US);

Andrew T. Beyerl, Pewaukee, WI (US);

John W. Thiele, Belgium, WI (US);

Todd C. Hunkins, Eagle, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/18 (2006.01); H02K 7/14 (2006.01); H02K 3/50 (2006.01); H02K 9/22 (2006.01); H02K 11/30 (2016.01); H02K 11/33 (2016.01); H02K 29/00 (2006.01); H02K 29/08 (2006.01); H02K 11/215 (2016.01); B25B 21/02 (2006.01); B25F 5/00 (2006.01); H02K 11/38 (2016.01); H02K 5/04 (2006.01); H02K 9/06 (2006.01); H02K 21/04 (2006.01); H05K 1/02 (2006.01); H05K 1/11 (2006.01); H05K 1/18 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
H02K 7/145 (2013.01); B25B 21/02 (2013.01); B25F 5/00 (2013.01); B25F 5/008 (2013.01); H02K 5/04 (2013.01); H02K 9/06 (2013.01); H02K 11/215 (2016.01); H02K 11/33 (2016.01); H02K 11/38 (2016.01); H02K 21/046 (2013.01); H02K 29/08 (2013.01); H05K 1/0203 (2013.01); H05K 1/113 (2013.01); H05K 1/18 (2013.01); H05K 7/20136 (2013.01); H05K 7/20436 (2013.01); H02K 2211/03 (2013.01); H05K 2201/10053 (2013.01); H05K 2201/10151 (2013.01);
Abstract

A power tool with a combined printed circuit board (PCB) that reduces internal wiring of the power tool and provides a large amount of air flow to internal components. In some instances, the combined PCB has a surfboard shape and includes a motor control unit and power switching elements (Field Effect Transistors or FETs). The combined surfboard PCB is located above the trigger, but below the motor and drive mechanism. In other instances, the combined PCB has a doughnut shape and is located coaxially with a motor shaft. The combined PCB may be positioned between a doughnut-shaped control PCB and the motor.


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