Patent ID: 8091717
Filing Date: 2012-01-10
Classification: B61G

Abstract:
1. A central buffer coupling having a coupling head, a coupling shaft and a bearing block attachable to the front face of a car body, wherein the coupling shaft comprises a front shaft component supporting the coupling head and a rear shaft component coupled to the bearing block so as to be horizontally pivotable which are pivotable in the horizontal plane relative one another about an axis of rotation defined by a connecting pin, and wherein the central buffer coupling further comprises a pivoting mechanism for pivoting the front shaft component relative the rear shaft component, wherein the pivoting mechanism comprises a slotted gate fixedly attached to one of the front shaft component and the rear shaft component, and having a sliding guide, a cam disc rotatably mounted about the rotational axis defined by the connecting pin and having a cam disc guide, and a bolt connecting the one to the other of the front shaft component and the rear shaft component, the first end of which is received in a bolt guide in the sliding guide and its second end in the bolt guide in the cam disc guide in each case such that upon rotation of the cam disc about the rotational axis, at least a portion of the resulting torque can be transmitted from the cam disc to the slotted gate via the bolt, wherein each rotational position of the cam disc corresponds to a specific position of the first end of the bolt guide of the bolt delegated to the slotted gate in the sliding guide, wherein the sliding guide of the slotted gate comprises a uniform circular-segmented guiding section which—depending on the position of the first end of the bolt guide of the bolt delegated to the slotted gate within the circular-segmented guiding section—defines the angle of articulation for the front shaft component relative the rear shaft component, and wherein the bolt is displaceable along the longitudinal axis of the coupling shaft relative to the rear shaft component, between a first position, in which the two shaft components are not pivotable relative one another, and a second position, in which the two shaft components are pivotable relative one another, and wherein the sliding guide of the slotted gate exhibits at least one latching section configured on one of the two ends of the circular-segmented guiding section which blocks or enables access for the first end of the bolt guide of the bolt associated with the slotted gate in the circular-segmented guiding section depending on the position of the bolt on the longitudinal axis of the coupling shaft.