Beschreibung     Ansprüche     Zeichnung  

DE102011080056B4   [0003]  [0005] 
DE202004019116U1   [0010] 
DE102008029564B4   [0011] 
EP2926791A1   [0012] 
US20130181489A1   [0013] 
US20140084559A1   [0013]