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:
Aug. 14, 2001

Filed:

Feb. 22, 2000
Applicant:
Inventor:

Raymond Wai Hang Chu, Chai Wan, HK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/28 ; H01H 3/20 ;
U.S. Cl.
CPC ...
H01H 9/28 ; H01H 3/20 ;
Abstract

An on-off switch for an electric power hand tool such as an electric saw. The switch has a body, a switching mechanism within the body, and a spring-loaded trigger supported by the body for movement between a first position to turn on the switching mechanism and a second position to turn off the switching mechanism. The switch includes a movable locking device resiliently biased by a spring for locking the trigger in the second position against accidental switching on. The trigger and locking device include respective parts for abutment with each other to lock the trigger in the second position.


Find Patent Forward Citations

Chu, Raymond Wai Hang. (2001). On-off switch with off position locking actuator (U.S. Patent No. 6274828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6274828

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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