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:
Mar. 05, 2019
Filed:
Aug. 01, 2013
Applicant:
Techtronic Power Tools Technology Limited, Tortola, VG;
Inventors:
Chin Hung Lam, Tsuen Wan, HK;
Tsz Kin Wong, Tsuen Wan, HK;
Assignee:
TECHTRONIC POWER TOOLS TECHNOLOGY LIMITED, Tortola, VG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 21/00 (2006.01); B25F 5/00 (2006.01); B25B 23/147 (2006.01);
U.S. Cl.
CPC ...
B25F 5/00 (2013.01); B25B 21/00 (2013.01); B25B 23/147 (2013.01); B25F 5/001 (2013.01); B25B 21/008 (2013.01);
Abstract
A power tool has an electric motor driving a spindle and a rotary encoder for setting a torque limit. A control circuit is operatively connected to the rotary encoder for interrupting power supply to the motor when the torque limit has been reached. An actuator sleeve mounted to rotate about the spindle, and a detent holds the sleeve in a plurality of angular positions corresponding to positions of the contacts.