Coupling device for a motor vehicle

B - Operations – Transporting – 60 – D

Patent

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Details

B60D 1/52 (2006.01)

Patent

CA 2046311

2046311 9008664 PCTABS00001 The invention relates to a coupling device intended to be applied on a vehicle, and comprising an attachment portion intended to be attached to the vehicle and a coupling portion (22), one of said portions including a tube shaped female element (30) and the other one a longitudinal male element (4) intended to be received in the female element. A movable piston (34), sidewardly spring biased towards the female element, is able to be introduced into a side recess in the male element, the piston being kept pressed into said side recess by an abutment element (62) in a first mutual position of engagement between the piston (34) and the abutment element (62). The abutment element (62), being sidewardly engaging into the path of movement of the piston (34), is arranged to be able to be brought essentially in the longitudinal direction of the piston (34) while bringing the piston (34) to a mutual second position of engagement between the abutment element and the piston, in which the abutment element keeps the piston caught, against the action of the spring bias, essentially outside the path of movement of the male element (4) in the female element (30).

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