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. 07, 2006
Filed:
Nov. 14, 2003
Kevin B. Weiss, Stillwater, MN (US);
Kevin B. Weiss, Stillwater, MN (US);
Nexen Group, Inc., Vadnais Heights, MN (US);
Abstract
A motion controller for use with a rod (A,B,C) has a backlash reducer (A,B,C) that substantially reduces or eliminates the space created after manufacturing parts with specified tolerance dimensions to substantially reduce or eliminate backlash. The backlash reducer (A,B) can be in the form of a holder such as an internal retaining ring () and a shim (), a threaded cap (), or the like to accommodate various part size variances due to manufacturing tolerances. Alternately, the end cap () of the motion controller (C) can have an outside thread () that mates to an inside thread () of the inside surface () of a housing (). The motion controller (A,B,C) has a friction collar () to hold the rod () under the action of balls () and a piston (). The motion controller (A,B,C) can be fluid powered with a fluid such as air.