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.
Patent No.:
Date of Patent:
May. 01, 2007
Filed:
Sep. 23, 2004
Applicants:
Hin Ming Lam, Chai Wan, HK;
Ka Fai Lai, Tsuen Wan, HK;
Ting Yu Kwan, Tsuen Wan, HK;
Inventors:
Assignee:
Defond Components Limited, Chai Wan, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 45/02 (2006.01); H01H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A safety device for a power tool having an electric motor and a trigger to activate the motor via a primary trigger-activated switch, includes an auxiliary switch in circuit with the motor, an activator movable between a first position in which the auxiliary switch is opened by the activator and the activator prevents depression of the trigger, and a second position in which the auxiliary switch is closed by the activator and the activator allows depression of the trigger.
Lam, Hin. (2007). Power tool safety device (U.S. Patent No. 7210542). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7210542
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile