Patent ID: 8371767
Filing Date: 2013-02-12
Classification: F16B,F16C,Y10T

Abstract:
1. A draw-pull bar comprising: a body and at least one adapter to be fitted to the draw-pull bar; wherein the adapter is connected to the body by means of a threaded arrangement and provides for a length variation of the draw-pull bar; wherein the adapter can be turned relative to the body and can be turned relative to a toothed rim of a detent mechanism comprising: wherein the pin and connecting element load rotary movement of the adapter such that the adapter can be locked in a plurality of rotary positions and unlocked from the plurality of rotary positions under application of a pre-determinable locking force, wherein the locking element comprises a partial ring with a single locking nose, wherein the locking nose locks into a tooth space of the toothed rim for arresting the detent mechanism, wherein the partial ring at least partially surrounds the toothed rim with a suitable spring force such that the body and the adapter are connected in a lockable and releasable turning direction, and wherein the partial ring sufficiently surrounds the toothed rim such that the spring force presses the nose into the tooth space of the toothed rim.