Utility vehicle compromising a driver's cab with an elastic suspension

• US 20030146647A1
• Filed: 01/21/2003
• Published: 08/07/2003
• Est. Priority Date: 03/20/2000
• Status: Active Grant

• Current Assignee: Engineering Center Steyr GmbH & Co. KG (Magna International Incorporated)
• Original Assignee: Engineering Center Steyr GmbH & Co. KG (Magna International Incorporated)
• Inventors: Leitner, Martin, Klunder, Remco, Arnberger, Alois, Bramberger, Rudolf
• Granted Patent: US 6,702,367 B2
• Time in Patent Office: Days
• US Class Current: 296/190.05
• CPC Class Codes: B60G 99/004 Other suspension arrangements with rubber springs
• CPC Class Codes: B62D 33/0604 Cabs insulated against vibrations or noise, e.g. with elastic suspension resilient connections between superstructure sub-units B62D27/04; damping noise in general G10K11/00; for vehicles in general B60R13/08
• CPC Class Codes: F16F 15/022 using dampers and springs in combination

Abstract

The driver'"'"'s cab of a commercial vehicle is supported by at least one support (8; 9) of the [lacuna] on the frame (1) via spring struts (10; 20) and, by means of a pair of swinging arms (11; 21), is supported on bearings (15; 16;25; 26) fixed on the frame, one end of the swinging arms being connected in an articulated manner to the support. In order to place the roll center into the center of gravity

a) the other end of the swinging arms (11; 21) is supported in each case on a first articulation point (32, 33; 32; 42) of a first deflecting lever (12; 22) and of a second deflecting lever (13; 23), which deflecting levers have a second articulation point (34, 35; 44,45),

b) the second articulation points (34, 35; 44, 45) of the first deflecting lever (12; 22) and of the second deflecting lever (13; 23) are connected to one another by means of an articulated transverse rod (14; 24),

c) the first deflecting lever (12; 23) is a one-armed lever, the second articulation point (34; 45) of which is situated on one side of an imaginary connecting line (36; 46) between the bearings (16; 26) fixed on the frame, and

d) the second deflecting lever (13; 22) is a two-armed lever, the second articulation point (35; 44) of which is situated on the other side of an imaginary connecting line (36; 46) between the bearings (15; 25) fixed on the frame.

Claims

1. A commercial vehicle, the driver'"'"'s cab of which is connected in a movable and cushioned manner to the frame of the commercial vehicle, at least one support (8;

9) of the driver'"'"'s cab, which support is arranged in a transverse plane to the direction of travel, being supported on the frame (1) and, by means of a pair of swinging arms (11;

21) arranged essentially in this transverse plane, being supported on bearings (15;

16;

25;

26) fixed on the frame, one end of the swinging arms being connected in an articulated manner to the support, characterized in that

a) the other end of the swinging arms (11;

21) is supported in each case on a first articulation point (32;

33;

42;

43) of a first deflecting lever (12;

22) and of a second deflecting lever (13;

23), which deflecting levers (12, 13;

22, 23) are mounted in the respective bearing (15;

16;

25;

26) in a manner such that they can pivot in the transverse plane, and which have a second articulation point (34, 35;

44, 45),

b) the second articulation points (34, 35;

44, 45) of the first deflecting lever (12;

22) and of the second deflecting lever (13;

23) are connected to one another by means of an articulated transverse rod (14;

24),

c) the first deflecting lever (12;

23) is a one-armed lever, the second articulation point (34;

45) of which is situated on one side of an imaginary connecting line (36;

46) between the bearings (16;

26) fixed on the frame, and

d) the second deflecting lever (13;

22) is a two-armed lever, the second articulation point (35;

44) of which is situated on the other side of an imaginary connecting line (36;

46) between the bearings (15;

25) fixed on the frame.

2. The commercial vehicle as claimed in claim 1, characterized in that the articulated connection (30) of the swinging arm (11) to the support (8) of the driver'"'"'s cab is situated above the first articulation point (32;

33) and closer to the center of the vehicle.

3. The commercial vehicle as claimed in claim 2, characterized in that the support (8) of the driver'"'"'s cab accommodates the tilting axle, which lies transversely to the direction of travel, for tilting the driver'"'"'s cab.

4. The commercial vehicle as claimed in claim 1, characterized in that the articulated connection (40) of the swinging arm (21) to the support (9) of the driver'"'"'s cab is situated below the first articulation point (42;

43) and is further away from the center of the vehicle.

5. The commercial vehicle as claimed in claim 4, characterized in that the articulated connection of the swinging arm (21) to the support (9, 39) of the driver'"'"'s cab can be released for tilting the driver'"'"'s cab.

6. The commercial vehicle as claimed in claim 1, characterized in that the other end (43) of the swinging arms (21) and the bearings (25, 26) of the deflecting lever (23) are enlarged in the longitudinal direction of the vehicle.

7. The commercial vehicle as claimed in claim 1, characterized in that the spring struts (20) are arranged between the swinging arm (21) and the frame (1).