Transport of track-laying vehicles

Claim 1

Apparatus for transporting a track-laying vehicle wherein the improvement comprises a track-laying vehicle, tracks mounted on said vehicle, a hydraulically displaceable implement fitted to one end of said vehicle, hydraulically displaceable means for supporting a wheeled unit fitted to the other end of said vehicle, said wheeled unit including at least two road wheels, said implement provided with a socket opening therein, a towing vehicle for towing said track-laying vehicle, a coupling pin upstanding from the rear end of said towing vehicle, said coupling pin being engageable in said socket opening when said implement is lowered onto the rear end of said towing vehicle, said wheeled unit being adapted to be depressed to raise said tracks off the ground, whereby said track-laying vehicle can be towed behind said towing vehicle like a trailer, said apparatus further comprising a removable coupling device which can be attached to the floor of the towing vehicle and which is in the form of a portable structure which is provided on the one hand with the said upstanding coupling pin and on the other hand with two holding means which are disposed at a mutual spacing corresponding substantially to the width of the floor of the towing vehicle and which extend in the operative position through holes present in the rear end of the said floor, said coupling device having the shape of an isosceles triangle with the coupling pin projecting upwardly therefrom and the two holding means being disposed each in one corner of this triangle.