| 摘要 |
<p>A towing device (1) for a tractor (3) and the like which has the advantage of unusual structural simplicity comprises a guide (4) secured to a rear portion (2) of the tractor (3), a tow hitch (10) carried by a slide (5) slidably mounted in the guide (4), at least one gudgeon pin (16) movably guided in the slide (5), and also a sleeve (23) extending coaxially with the gudgeon pin (16) and coupled thereto by means of male and female portions, in order to move it, in an unusually reliable manner, from a position in which it projects in order to engage in a housing (18) of a plurality of housings (18) distributed along the guide (4) into a retracted position in which it is disengaged from the housing (18). <IMAGE></p> |
