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:
Jul. 27, 2010
Filed:
Mar. 08, 2006
Applicant:
Fredrik Saf, Vintrosa, SE;
Inventor:
Fredrik Saf, Vintrosa, SE;
Assignee:
Atlas Copco Rock Drills AB, Orebro, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 15/00 (2006.01); G05B 19/404 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a sensor assembly in a gearbox which is used for positioning, where the sensor assembly comprises a relative to the gearbox housing () fixed sensor (), and where the angle between the gearbox housing () and the output shaft () of a gearbox () is measured using a to the output shaft () fixed and to the sensor () connected shaft (), whereby a sensor assembly which measures the angle in the gearbox () including the play in the gearbox () is attained, which gives increased precision at the same time as gearboxes () with play can be utilized for accurate angle positioning.