Patent ID: 8347976
Filing Date: 2013-01-08
Classification: A01B

Abstract:
1. A hitch device for a working vehicle for coupling a working device to the working vehicle, comprising a lifting shaft unit supportable in a frame structure of the working vehicle, the lifting shaft unit including a lifting shaft, at least one lifting arm that is fixedly connected with the lifting shaft, and at least one reciprocating cylinder, which is hingedly connected with the lifting arm; and a coupling structure that is operatively connected with the lifting shaft unit, the coupling structure including first, upper coupling elements, which are locatable on the frame structure, second, lower coupling elements, which are hingedly connectable to the frame structure and connecting elements that are hingedly located on lifting arms of the lifting shaft and coupled to the frame structure, wherein at least one of the connecting elements comprises a rigid connecting brace that is fixed in length and wherein the upper and lower coupling elements, and the connecting elements of the coupling structure are located in pairs.