Rear axle suspension of motor vehicles

Claim 2

A rear axle suspension of motor vehicles having an axle gear housing, comprising support body means connected with the axle gear housing and having leg portions, said support body means being of substantially V-shape, as viewed in plan view, and said leg portions serving for the bearing support of wheel supporting arms on a wide bearing basE, and said support body means being extended with its V-tip, crossing the axle gear housing, up to within proximity of the wheel center axis and being connected with the axle gear housing within the area of the V-tip, wherein three elastic bearing supports comprising a three-point support and including at each point buffers of rubberlike material for elastically suspending the unit consisting of the support body means and the rear axle gear housing at the vehicle superstructure, on the one hand, at the two ends of the leg portions of the support body means and, on the other, at the rear end of the axle gear housing.

Claim 3

A rear axle suspension according to claim 1, wherein the wheel supporting arms are constructed as thrust members.

Claim 4

A rear axle suspension according to claim 1, wherein the wheel supporting arms are constructed as inclined guide members.

Claim 5

A rear axle suspension according to claim 1, wherein said V-tip is extended up to within proximity of the wheel center axis by extending over said axle gear housing up to a vertical transverse plane which is arranged close to a vertical transverse plane passing through the wheel axle centers.

Claim 6

A rear axle suspension according to claim 1, wherein the axle gear housing is connected over a wide surface with the support body means substantially over the entire width thereof.

Claim 7

A rear axle suspension according to claim 5, wherein the support body means is widened at the V-tip.

Claim 8

A rear axle suspension according to claim 1 wherein said V-tip is extended up to within proximity of the wheel center axis by extending over said axle gear housing up to a vertical transverse plane which is arranged close to a vertical transverse plane passing through the wheel axle centers.

Claim 9

A rear axle suspension according to claim 1, wherein the support body means consists of at least one sheet metal stamping.

Claim 10

A rear axle suspension according to claim 1, wherein the support body means consists of several sheet metal stampings.

Claim 11

A suspension according to claim 1, wherein means are provided at the two forward elastic bearing supports at the ends of the leg portions of the support body means principally for the absorption of longitudinal forces whereas means are provided at the rear elastic bearing support primarily for the absorption of transverse forces.

Claim 12

A rear axle suspension according to claim 10, wherein said longitudinal and transverse force absorbing means include means for providing greater stiffness in said elastic bearing supports in one direction of two orthogonal directions. 12, A rear axle suspension according to claim 11, wherein said last-mentioned means includes aperture means in the elastic elements of the respective bearing supports.

Claim 13

A suspension according to claim 20, wherein the two forward elastic bearing supports at the ends of the leg portions of the support body means serve principally for the absorption of longitudinal forces whereas the rear elastic bearing support serves primarily for the absorption of transverse forces.

Claim 14

A rear axle suspension according to claim 11, wherein the elastic elements located at the ends of the leg portions of the support body means are provided with aperture means to both sides of a line connecting the center of the respective bearing support with the third bearing support of the axle gear housing at the vehicle superstructure.

Claim 15

A rear axle suspension according to claim 1, further comprising means for spring supporting the wheels including spring means arranged substantially along the connecting line connecting the vehicle rear bearing support of a corresponding wheel supporting arm tact of the corresponding wheel with the road.

Claim 16

A rear axle suspension of motor vehicles having an axle gear housing, comprising support body means connected with the axle gear housing and having leg portions, said support body means being of substantially V-shape, as viewed in plan view, and said leg portions serving for the bearing support of wheel supporting arms on a wide bearing base, and said support body means being extended with its V-tip, crossing the axle gear housing, at least up to within proximity of the wheel center axis and being connected with the axle gear housing within the area of the V-tip, at least three elastic bearing supports are provided for elastically suspending the unit consisting of the support body means and the rear axle gear housing at the vehicle superstructure, on the one hand, at the two ends of the leg portions of the support body means and, on the other, at the rear end of the axle gear housing, and the axle gear housing being connected over a wide surface with the support body means substantially over the entire width thereof, wherein the support body means, as viewed in side view of the vehicle, is bent substantially S-shaped, the forward end of the thus S-shaped support body means having a lower positioned front end extending below a rear seat space of the vehicle and having a higher positioned rear end formed by the V-tipe above the rear axle housing for the support thereof.

Claim 17

A rear axle suspension of motor vehicles having an axle gear housing, comprising support body means connected with the axle gear housing and having leg portions, said support body means being of substantially V-shape, as viewed in plan view, and said leg portions serving for the bearing support of wheel supporting arms on a wide bearing base, and said support body means being extended with its V-tip, crossing the axle gear housing, at least up to within proximity of the wheel center axis and being connected with the axle gear housing within the area of the V-tip, at least three elastic bearing supports are provided for elastically suspending the unit consisting of the support body means and the rear axle gear housing at the vehicle superstructure, on the one hand, at the two ends of the leg portions of the support body means and, on the other, at the rear end of the axle gear housing, and the axle gear housing being connected over a wide surface with the support body means substantially over the entire width thereof, wherein the support body means, as viewed in side view of the vehicle, is bent substantially S-shaped, the forward end of the thus S-shaped support body means having a lower positioned front end extending below a rear seat space of the vehicle and having a higher positioned rear end formed by the V-tipe above the rear axle housing for the support thereof.

Claim 18

A rear axle suspension according to claim 15, wherein the forward end of said support body means together with the bearing support for the wheel supporting arms extends underneath said aforementioned space.

Claim 19

A rear axle suspension according to claim 15 wherein each wheel supporting arm is supported on the respective leg portion of the support body means in two bearing supports, the vehicle outside bearing support of a respective wheel supporting arm facing the wheel center axis while the corresponding vehicle inside bearing support is arranged at the side of the support body means opposite the wheel center axis.

Claim 20

A rear axle suspension according to claim 17, wherein the support body means consists of at least one sheet metal stamping.

Claim 21

A rear axle suspension according to claim 17, wherein the support body means consists of several sheet metal stampings.

Claim 22

A rear axle suspension of motor vehicles having an axle gear housing, comprising support body means connected with the axle gear housing and having leg portions, said support body means being of substantially V-shape, as viewed in plan view, and said leg portion serving for the bearing support of wheel supporting arms on a wide bearing base, and said support body means being extended with its V-tip, crossing the axle gear housing, at least up to within proximity of the wheel center axis and being connected with the axle gear housing within the area of the V-tip, wherein at least three elastic bearing supports are provided for elastically suspending the unit consisting of the support body means and the rear axle gear housing at the vehicle superstructure, on the one hand, at the two ends of the leg portions of the support body means and, on the other, at the rear end of the axle gear housing wherein the support body means, as viewed in side view of the vehicle is bent substantially S-shaped, the forward ends of thus S-shaped support body means being positioned lower than the higher positioned rear end formed by the V-tip above the rear axle gear housing for the support thereof.

Claim 23

A rear axle suspension of motor vehicles having an axle gear housing, comprising support body means connected with the axle gear housing and having leg portions, said support body means being of substantially V-shape, as viewed in plan view, and said leg portion serving for the bearing support of wheel supporting arms on a wide bearing base, and said support body means being extended with its V-tip, crossing the axle gear housing, at least up to within proximity of the wheel center axis and being connected with the axle gear housing within the area of the V-tip, wherein at least three elastic bearing supports are provided for elastically suspending the unit consisting of the support body means and the rear axle gear housing at the vehicle superstructure, on the one hand, at the two ends of the leg portions of the support body means and, on the other, at the rear end of the axle gear housing wherein the support body means, as viewed in side view of the vehicle is bent substantially S-shaped, the forward ends of thus S-shaped support body means being positioned lower than the higher positioned rear end formed by the V-tip above the rear axle gear housing for the support thereof.

Claim 24

A rear axle suspension according to claim 21, further comprising means for spring supporting the wheels including spring means arranged substantially along the connecting line connecting the vehicle rear bearing support of a corresponding wheel supporting arm with the point of contact of the corresponding wheel with the road.

Claim 25

A rear axle suspension according to claim 22, further comprising means providing greater stiffness of said elastic bearing supports in one direction of two orthogonal directions.

Claim 26

A rear axle suspension according to claim 23, wherein said last-mentioned means includes aperture means in the elastic elements of the respective bearing supports.

Claim 27

A rear axle suspension according to claim 24, wherein the elastic elements located at the ends of the leg portions of the support body means are provided with aperture means to both sides of a line connecting the center of the respective bearing support with the third bearing support of the axle gear housing at the vehicle superstructure.

Claim 28

A rear axle suspension of motor vehicles having an axle gear housing, comprising support body means connected with the axle gear housing and having leg portions, said support body means being of substantially V-shaped, as viewed in plan view, and said leg portions serving for the bearing support of wheel supporting arms on a wide bearing base, and said support body means being extended with its V-tip, crossing the axle gear housing, at least up to within proximity of the wheel center axis and being connected with the axle gear housing within the area of the V-tip, wherein each wheel supporting arm is supported on the respective leg portion of the support body means in two bearing supports, the vehicle outside bearing support of a respective wheel supporting arm facing the wheel center axis while the corresponding vehicle inside bearing support is arranged at the side of the support body means opposite the wheel center axis.

Claim 29

A rear axle suspension of motor vehicles having an axle gear housing, comprising support body means connected with the axle gear housing and having leg portions, said support body means being of substantially V-shaped, as viewed in plan view, and said leg portions serving for the bearing support of wheel supporting arms on a wide bearing base, and said support body means being extended with its V-tip, crossing the axle gear housing, at least up to within proximity of the wheel center axis and being connected with the axle gear housing within the area of the V-tip, wherein each wheel supporting arm is supported on the respective leg portion of the support body means in two bearing supports, the vehicle outside bearing support of a respective wheel supporting arm facing the wheel center axis while the corresponding vehicle inside bearing support is arranged at the side of the support body means opposite the wheel center axis.

Claim 30

A rear axle suspension according to claim 26, wherein the vehicle outside bearing support is disposed in front of the corresponding vehicle inside bearing support, as viewed in the driving direction.