Patent ID: 8127880

Claim:
A mechanical system for a vehicle comprising a cab ( 1 ) and chassis ( 2 ), said mechanical system for tilting the cab ( 1 ) relative to the chassis ( 2 ), and comprising: a suspension arm ( 4 ) having a front end and a reward end, where the front end is pivotally connected to the chassis ( 2 ) forming a tilting pivot and the reward end is rigidly connected to a suspension bracket ( 3 ); a bush bracket ( 6 ) fitted to the underside of the suspension bracket ( 3 ); a link arm ( 7 ) having an upper end and a lower end, the upper end comprising a revolute joint that allows for only rotational motion and being connected to the bush bracket ( 6 ), and the lower end connected to clevis joint ( 8 ) and comprising a revolute joint that allows for only rotational movement; a screw ( 9 ) connected to the clevis joint ( 8 ) and comprising a rotational joint, the screw ( 9 ) meshing with a nut ( 10 ), where an inner thread of nut ( 10 ) matches an external thread of screw ( 9 ) and an outer surface of nut ( 10 ) is machined as a worm gear; a worm ( 11 ) rigidly connected to a first end of worm shaft ( 14 ) and meshing with the outer surface of nut ( 10 ); and an engaging clip ( 15 ) rigidly connected to a second end of worm shaft ( 14 ), where the engaging clip engages a detachable handle ( 12 ).