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. 13, 2012
Filed:
Feb. 07, 2008
Fred Emilsson, Trelleborg, SE;
Fred Emilsson, Trelleborg, SE;
Faiveley Transport Nordic AB, Landskrona, SE;
Abstract
A rail vehicle brake slack adjuster comprises an axially movable, sleeve-shaped driver element () adapted to receive an axially applied braking force in a brake application direction, a spindle () axially movable within the driver element, an adjuster nut () in non-self-locking thread engagement with the spindle, clutch means between the driver element and the adjuster nut, and a barrel spring () biasing the spindle in the brake application direction. The adjuster has a combination of a first clutch () comprising a clutch surface on the driver element () directed in the brake application direction and a corresponding clutch surface on the adjuster nut () and a second clutch () comprising a clutch surface on the driver element () directed in the direction opposite to the brake application direction and a corresponding clutch surface on an adjuster nut sleeve (). The adjuster nut sleeve () is axially movable on the adjuster nut ().