Patent · US Active

Non-contact speed selector switch in rotary power tool

US11897110B2 · kind B2 · utility

1Cited by

7References

18Claims

0Family size

Assignee

Milwaukee Electric Tool Corporation · US

Inventors

Maxwell L. Merget · Whitefish Bay, US
Jingyuan Liang · Longbeilingcun, CN
Michael R. Sande · Waukesha, US
Michael Halverson · Greenfield, US
Ian A. Duncan · Milwaukee, US
Nicholas C. Mantych · Burlington, US
Alex Huber · Brookfield, US

Key dates

Filing date	Nov 1, 2018
Grant date	Feb 13, 2024
Priority date	—
Expiry date	Apr 18, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/265
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A rotary power tool includes a housing having a motor housing portion and a handle portion extending therefrom. An electric motor is positioned within the motor housing portion. The rotary power tool further includes a trigger switch configured to activate and deactivate the motor. The rotary power tool further includes a non-contact speed selector switch positioned in the housing. The non-contact speed selector switch is configured to adjust a rotational speed of the motor. The non-contact speed selector switch is separate from the trigger switch.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.