Trailer vehicle security device

B - Operations – Transporting – 60 – D

Patent

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Details

B60D 1/60 (2006.01) B60R 25/00 (2006.01)

Patent

CA 2198218

A locking device (10) for a trailer and hitch of the ball and socket type, comprising an upper jaw (12) and a lower jaw (11) interconnected together by a shaft (14) for reciprocal movement relative to each other. A locking means (30) keeps the two jaws (11, 12) apart at fixed distances over a ribbed portion (31) of the shaft (14). In use, the two jaws (11, 12) are locked about the socket portion of the hitch to prevent unauthorised removal of the trailer. When the trailer is attached to a tow vehicle, the tow ball nut is received in an opening (36) in the lower jaw (11). When the trailer is unattached, a dummy ball (46) extends into the socket of the hitch. In both positions, the socket portion of the hitch is received in an aperture (34) in the upper jaw (12).

On décrit un dispositif de verrouillage (10) destiné à une remorque et un crochet d'attelage du type à assemblage à rotule et logement de rotule. Ce dispositif de verrouillage comprend une mâchoire supérieure (12) et une mâchoire inférieure (11) reliées par un axe (14) qui permet leur mouvement réciproque et relatif. Un système de verrouillage (30) maintient ces deux mâchoires (11, 12) séparées à des distances fixes sur une partie crénelée (31) de l'axe (14). Pendant l'utilisation, les deux mâchoires (11, 12) sont verrouillées autour de l'embase du crochet d'attelage (15) pour prévenir le retrait illicite de la remorque. Quand celle-ci est attachée à un tracteur, l'écrou de rotule trouve place dans une ouverture (36) de la mâchoire inférieure (11). Quand la remorque n'est pas attachée, une fausse rotule (46) vient se placer dans l'embase du crochet d'attelage. Dans les deux positions, cette embase trouve place dans une ouverture (34) de la mâchoire supérieure (12).

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