Rear dumping vehicle

Claim 2

fore and aft wheel assemblies for supporting and propelling the truck;

Claim 3

A rear dumping truck comprising: a. a chassis; b. a dump body supported on said chassis for tilting between a load carrying position and a load dumping position; c. said chassis comprising:

Claim 4

A rear dumping truck comprising: a. a chassis; b. a dump body supported on said chassis for tilting between a load carrying position and a load dumping position; c. said chassis comprising:

Claim 5

A rear dumping truck comprising: a. a chassis; b. a dump body supported on said chassis for tilting between a load carrying position and a load dumping position; c. said chassis comprising: 1. fore and aft wheel assemblies for supporting and propelling the truck; 2. a frame supported by said wheel assemblies comprising first and second spaced frame members extending longitudinally of said truck on opposite lateral sides of a longitudinal midline of the truck; and, 3. a prime mover supported by said frame between said fore and aft wheel assemblies and substantially in a vertical plane passing through the longitudinal midline; d. said chassis and body having a composite center of gravity located between said fore and aft wheel assemblies and at least adjacent a vertical plane passing through the longitudinal midline; and, e. the center of gravity of said truck, when loaded, located in said vertical plane above the composite center of gravity of said chassis and said body whereby the proportion of the vehicle load borne by said fore and aft wheel assemblies is approximately the same whether the truck is loaded or unloaded.

Claim 6

A rear dumping truck comprising: a. a chassis; b. a dump body supported on said chassis for tilting between a load carrying position and a load dumping position; c. said chassis comprising: 1. fore and aft wheel assemblies for supporting and propelling the truck; 2. a frame supported by said wheel assemblies comprising first and second spaced frame members extending longitudinally of said truck on opposite lateral sides of a longitudinal midline of the truck; and, 3. a prime mover supported by said frame between said fore and aft wheel assemblies and substantially in a vertical plane passing through the longitudinal midline; d. said chassis and body having a composite center of gravity located between said fore and aft wheel assemblies and at least adjacent a vertical plane passing through the longitudinal midline; and, e. the center of gravity of said truck, when loaded, located in said vertical plane above the composite center of gravity of said chassis and said body whereby the proportion of the vehicle load borne by said fore and aft wheel assemblies is approximately the same whether the truck is loaded or unloaded.

Claim 7

a frame supported by said wheel assemblies comprising first and second spaced frame members extending longitudinally of said truck on opposite lateral sides of a longitudinal midline of the truck; and,

Claim 8

a frame supported by said wheel assemblies comprising first and second spaced frame members extending longitudinally of said truck on opposite lateral sides of a longitudinal midline of the truck; and,

Claim 9

A truck as claimed in claim 1 wherein said dump body includes payload supporting floor sections and retaining walls extending upwardly from said floor sections, said walls confining a payload in said dump body with the center of gravity of said payload substantially aligned with the center of gravity of said chassis and said dump body.

Claim 10

a prime mover supported by said frame between said fore and aft wheel assemblies and substantially in a vertical plane passing through the longitudinal midline; d. said chassis and body having a composite center of gravity located between said fore and aft wheel assemblies and at least adjacent a vertical plane passing through the longitudinal midline; and, e. the center of gravity of said truck, when loaded, located in said vertical plane above the composite center of gravity of said chassis and said body whereby the proportion of the vehicle load borne by said fore and aft wheel assemblies is approximately the same whether the truck is loaded or unloaded.

Claim 11

a prime mover supported by said frame between said fore and aft wheel assemblies and substantially in a vertical plane passing through the longitudinal midline; d. said chassis and body having a composite center of gravity located between said fore and aft wheel assemblies and at least adjacent a vertical plane passing through the longitudinal midline; and, e. the center of gravity of said truck, when loaded, located in said vertical plane above the composite center of gravity of said chassis and said body whereby the proportion of the vehicle load borne by said fore and aft wheel assemblies is approximately the same whether the truck is loaded or unloaded.

Claim 12

A truck as claimed in claim 2 wherein said dump body further includes bearer means engaging said frame at a location substantially in a plane transverse to said truck and passing through said center of gravity, said bearer means transmitting substantially all of the weight of said dump body and payload to said frame at said location.

Claim 13

A truck as claimed in claim 1 wherein said dump body further includes bearer means engaging said frame at a location substantially in a plane transverse to said truck and passing through said center of gravity, said bearer means transmitting substantially all of the weight of said dump body to said frame at said location.

Claim 14

A truck as claimed in claim 1 wherein said wheel assemblies include suspension units connected to said frame at longitudinally spaced locations for transmitting load forces from said frame to said wheel assemblies, said centers of gravity located in a substantially vertical plane transverse to said frame and intersecting said frame substantially medially of said suspension units.

Claim 15

A rear dumping truck comprising: a. a frame structure defining a longitudinal axis and comprising at least first and second spaced longitudinal frame members extending along opposite sides of said longitudinal axis; b. four wheel assemblies upon which said frame is suspended comprising a pair of forward wheel assemblies and a pair of rear wheel assemblies; c. a prime mover supported by said frame between said forward and rear wheel assemblies and in a vertical plane passing through the longitudinal axis; d. a dump body supported by said frame above said prime mover and connected to said frame for pivotal movement about an axis transverse to said frame; e. said truck having a center of gravity located in a first vertical plane extending transversely of said frame between said forward and rear wheel assemblies and in a second vertical plane extending substantially through the longitudinal axis of said frame; and, f. said dump body having bottom and side walls for supporting a mass of material having its center of gravity located vertically above said center of gravity of said truck in said second plane and close to said first vertical plane whereby the center of gravity of said vehicle does not shift an appreciable longitudinal distance between the loaded and unloaded conditions.

Claim 16

A rear dumping truck comprising: a. a frame structure defining a longitudinal axis and comprising at least first and second spaced longitudinal frame members extending along opposite sides of said longitudinal axis; b. four wheel assemblies upon which said frame is suspended comprising a pair of forward wheel assemblies and a pair of rear wheel assemblies; c. a prime mover supported by said frame between said forward and rear wheel assemblies and in a vertical plane passing through the longitudinal axis; d. a dump body supported by said frame above said prime mover and connected to said frame for pivotal movement about an axis transverse to said frame; e. said truck having a center of gravity located in a first vertical plane extending transversely of said frame between said forward and rear wheel assemblies and in a second vertical plane extending substantially through the longitudinal axis of said frame; and, f. said dump body having bottom and side walls for supporting a mass of material having its center of gravity located vertically above said center of gravity of said truck in said second plane and close to said first vertical plane whereby the center of gravity of said vehicle does not shift an appreciable longitudinal distance between the loaded and unloaded conditions.

Claim 17

The vehicle claimed in claim 6 wherein said prime mover includes a motor-generator unit for producing electrical power, each of said wheel assemblies including an electric motor for driving said wheel assembly independently of the other wheel assemblies, said electric motors electrically connectable to said motor-generator unit.

Claim 18

The vehicle claimed in claim 7 wherein said motor comprises a gas turbine engine.

Claim 19

The vehicle claimed in claim 7 wherein said generator comprises an alternator.