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:
Oct. 04, 2011
Filed:
Nov. 21, 2007
Jonathan R. Schroeder, Roscoe, IL (US);
Jonathan R. Schroeder, Roscoe, IL (US);
Pacific Bearing Company, Rockford, IL (US);
Abstract
A nut and lead screw assembly that includes a nut are provided. The nut includes at least one flexible finger for adjusting the engagement of a threaded portion of the nut with corresponding threads of a lead screw. The threaded portion is preferably formed of a different material than the flexible finger. The material of the threaded portion is preferably of a lower coefficient of friction than the flexible finger. The nut also includes an adjustment mechanism that adjust the radial position of the flexible finger and also the threaded portion. A preferred adjustment mechanism includes a spring finger that provides a radially extending biasing load to a free end of the flexible finger to adjust the position of the flexible finger. The adjustment mechanism more preferably includes a an adjustment member that adjusts the radial load provided by the spring finger.