Commercial vehicule having an elastically suspended driver's...

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 33/06 (2006.01) B60G 25/00 (2006.01)

Patent

CA 2403731

The invention relates to a driver's cab of a utility vehicle, which is supported on a frame (1) by means of at least one support (8; 9) of said cab, aided by suspension struts (10; 20) and a pair of oscillating arms (11; 21) on bearings (15; 16; 25; 26) that are fixed to the frame, whereby one end of the oscillating arms is connected in an articulated manner to the support. To position the roll centre in the centre of gravity; a) the other end of the respective oscillating arms (11; 21) is supported on a first articulation point (32, 33; 32; 42) of a first deviation lever (12; 22) and a second deviation lever (13; 23), said levers having a second articulation point (34, 35; 44, 45); b) the two articulation points (34, 35; 44, 45) of the first deviation lever (12; 22) and second deviation lever (13; 23) are interconnected by means of a crossbar (14; 24) hinged thereto; c) the first deviation lever (12; 23) is a single-arm lever, whose second articulation point (34; 45) is located on one side of an imaginary connecting line (36; 46) of the bearings (16; 26) that are fixed to the frame and d) the second deviation lever (13; 22) is a dual-arm lever, whose second articulation point (35; 44) is located on the other side of an imaginary connecting line (36; 46) of the bearings (15; 25) that are fixed to the frame.

Selon la présente invention, la cabine de conduite d'un véhicule utilitaire prend appui sur la châssis (1) grâce à au moins un élément porteur (8, 9) de la cabine de conduite, par l'intermédiaire de jambes d'amortissement (10; 20) et sur des paliers (15; 16; 25; 26) solidaires du châssis au moyen d'une paire de bras oscillants (11; 21), une extrémité des bras oscillants étant reliée de façon articulée à l'élément porteur. Pour faire correspondre le centre de roulis avec le centre de gravité : a) l'autre extrémité des bras oscillants (11; 21) prend appui sur un premier point d'articulation (32, 33; 32; 42) correspondant d'un premier levier de renvoi (12; 22) et d'un second levier de renvoi (13; 23), lesdits leviers présentant un second point d'articulation (34, 35; 44, 45) ; b) les seconds points d'articulation (34, 35; 44, 45) du premier levier de renvoi (12; 22) et du second levier de renvoi (13; 23) sont reliés au moyen d'une barre transversale (14; 24) ; c) le premier levier de renvoi (12; 23) est un levier à bras unique dont le second point d'articulation (34; 45) se trouve d'un côté d'une ligne de jonction imaginaire (36; 46) des paliers (16; 26) solidaires du châssis ; et d) le second levier de renvoi (13; 22) est un levier à deux bras dont le second point d'articulation (35; 44) se trouve de l'autre côté d'une ligne de jonction imaginaire (36; 46) des paliers (15; 25) solidaires du châssis

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