Patent ID: 8307961
Filing Date: 2012-11-13
Classification: B61H,F16D

Abstract:
1. A rail vehicle brake slack adjuster, comprising 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, wherein the 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