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. 31, 2001
Filed:
Dec. 01, 1999
Applicant:
Inventor:
George Mauro, Salem, NH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 5/518 ;
U.S. Cl.
CPC ...
F16H 5/518 ;
Abstract
An anti-backlash device for a positioning stage arranged for the precise movement of components composed of a pair of plates having rail receiving grooves, a pair of rails joining the plates and attached thereto and a work piece mounting table, the anti-backlash device, having a plurality of circumferentially spaced elongate spring members for biasing an interrupted thread into zero clearance engagement with a threaded rod rotatable to move the table along the rails.