초록 ▼

A variable track wheel (1) comprises a rim (2) suitable for receiving a tire, and a disc (3) through which said wheel (1) is mountable on a hub (37), said disc (3) being removably secured by fastenings (6) to a connecting member (4) provided in said rim (2), said connecting member (4) projecting tow

A variable track wheel (1) comprises a rim (2) suitable for receiving a tire, and a disc (3) through which said wheel (1) is mountable on a hub (37), said disc (3) being removably secured by fastenings (6) to a connecting member (4) provided in said rim (2), said connecting member (4) projecting towards a rotation axis (X) of said wheel (1), said wheel further comprising a plurality of spacers (15) interposed between an annular perimeter zone (36) of said disc (3) and said connecting member (4) of said rim (2), said disc (3) and said rim (2) being mountable in a plurality of reciprocal axial positions and in a plurality of reciprocal orientations to obtain a variation in the track of said wheel (1), said wheel (1) further comprising at least one centring device (8; 9) for mutual positioning of said disc (3) and of said rim (2), said centring device (8; 9) comprising a hole (10; 10a; 10b) and a pin (11), said hole (10; 10a; 10b) or said pin (11) being provided in said connecting member (4) or in said disc (3), said centring device (8; 9) further comprising a coupling element (21) so conformed as to cooperate with said hole (10; 10a; 10b) and with said pin (11) for reciprocally coupling said pin (11) and said hole (10; 10a; 10b).

대표청구항 ▼

1. A variable track wheel comprising a rim suitable for receiving a tire, and a disc through which said wheel is mountable on a hub, said disc being removably secured by fastenings to a connecting member provided in said rim, said connecting member projecting towards a rotation axis of said wheel, s

1. A variable track wheel comprising a rim suitable for receiving a tire, and a disc through which said wheel is mountable on a hub, said disc being removably secured by fastenings to a connecting member provided in said rim, said connecting member projecting towards a rotation axis of said wheel, said wheel further comprising a plurality of spacers interposed between an annular perimeter zone of said disc and said connecting member of said rim, said disc and said rim being mountable in a plurality of reciprocal axial positions and in a plurality of reciprocal orientations to obtain a variation in the track of said wheel, said wheel further comprising at least one centring device for mutual positioning of said disc and of said rim, said centring device comprising a hole and a pin, said hole or said pin being provided in said connecting member or in said disc, characterized in that said centring device further comprises a coupling element conformed to cooperate with said hole and with said pin for reciprocally coupling said pin and said hole, wherein said coupling element comprises a first portion wherein a cavity is obtained, arranged for receiving in a shaping coupled manner an end of said pin and said first portion is conformed to compensate the distance between said disc and said connecting member, said first portion being interposed between said connecting member and said disc, wherein said first portion is provided with a first arresting surface and with a second arresting surface intended for contacting respectively said connecting member and said disc. 2. The wheel according to claim 1, wherein said cavity extends centrally to said first portion. 3. The wheel according to claim 2, wherein said coupling element further comprises a second portion, that projects from said first portion so as to form a stem, said stem being conformed to be received in a shapingly coupled manner in said hole. 4. The wheel according to claim 3, wherein said stem projects from a substantially central portion of said first arresting surface. 5. The wheel according to claim 2, further comprising: a. a further centring device, substantially conformed as said centring device;b. a further pin; andc. a further coupling element, said centring device and said further centring device being arranged at a distance that is substantially equal distance from said rotation axis. 6. The wheel according to claim 5, wherein said further centring device is diametrically opposite said centring device. 7. The wheel according to claim 5, wherein said further centring device differs from said centring device by a diameter of said further hole and/or of said further pin and/or of said further coupling element, when compared with the corresponding diameter of said hole and/or of said pin (11) and/or of said coupling element.