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:
Nov. 14, 2006
Filed:
Oct. 15, 2002
Applicant:
Erik Roland Rahm, Upplands Väsby, SE;
Inventor:
Erik Roland Rahm, Upplands Väsby, SE;
Assignee:
Atlas Copco Tools AB, Nacka, SE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 3/035 (2006.01); B23B 45/00 (2006.01); B25B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A portable power tool is provided which includes a rotation motor (), an output shaft (), a gearing () and a drive spindle () connecting the gearing () to the motor (). A drive line arresting lock device () is provided to facilitate loosening and/or tightening of a working implement mounting device (), and a releasable safety clutch () is provided between the lock device () and the gearing () for protecting the gearing () against transmission of detrimental excessive torque magnitudes manually applied on the output shaft/mounting device ().