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1. (WO2013156578) SELF-LOCKING COMPACT COUPLING

Pub. No.:    WO/2013/156578    International Application No.:    PCT/EP2013/058123
Publication Date: Fri Oct 25 01:59:59 CEST 2013 International Filing Date: Fri Apr 19 01:59:59 CEST 2013
IPC: B62K 27/12
B60D 1/02
B60D 1/52
Applicants: ZWEI PLUS ZWEI GMBH
Inventors: BOSSEL, Derk
Title: SELF-LOCKING COMPACT COUPLING
Abstract:
The invention proposes a coupling for connecting a two-track trailer, which has at least one drawbar, to a non-motorized vehicle or to a vehicle which has merely an auxiliary drive, in particular to a bicycle, having two interacting coupling parts which can be released from one another and of which one can be connected in a positionally fixed manner to the vehicle and the other can be connected to the drawbar, which coupling has at least the following features: - a bolt (1) with a cylindrical shell surface and with a bushing (2) or bolt guide, which can be plugged onto the bolt (1) and which engages at least partially around the bolt, as interacting coupling parts, wherein the bushing (2) or bolt guide has at least one opening for the insertion of the bolt (1), and the interconnected coupling parts are rotatable relative to one another about their common longitudinal axis and act as a rotary joint with one degree of freedom, - wherein the coupling parts have locking means by which the coupling parts can be securely connected to one another, and - wherein, on the drawbar, there are provided further joints by which the coupling has imparted to it at least two further degrees of freedom.