Forward dumping truck construction
AssigneeCaterpillar Tractor Co.
InventorRobert N. Stedman
Life of this patent
Estimating the term…
Abstract
A truck comprises a generally U-shaped frame and a dump body pivotally mounted forwardly on the frame and supported on a pair of laterally spaced and parallel side beams thereof. The dump body comprises four triangularly-shaped bottom wall portions converging downwardly to form an inverse pyramidal construction. A double-acting hydraulic cylinder is pivotally interconnected between the frame and dump body to selectively raise the dump body to discharge materials forwardly of the truck. An operator's cab is mounted on a forward end of one of the side beams.
Claims30
A truck comprising
- a frame mounted on a plurality of roadwheels and including a pair of laterally spaced and parallel side beams,
- an operator's cab mounted forwardly on said frame, a dump body comprising a pair of laterally spaced and parallel support rails each normally disposed on a respective one of said side beams when said dump body is horizontally disposed and maintained in a carry position on said frame and four triangularly shaped bottom wall portions converging downwardly to meet at apexes thereof disposed below said side beams to form an inverse pyramidal construction.
A truck comprising
- a frame mounted on a plurality of roadwheels and including a pair of laterally spaced and parallel side beams,
- an operator's cab mounted on one end of said frame, and
- a dump body defining a material carrying cavity therein and comprising a pair of laterally spaced and parallel support rails each normally disposed on a respective one of said side beams when said dump body is horizontally disposed and maintained in a carry position on said frame, said dump body being substantially co-extensive with respect to said frame and a portion of the material carrying cavity thereof extending into overlying relationship with respect to said operator's cab.
A truck comprising
- a frame mounted on a plurality of roadwheels and including a pair of laterally spaced and parallel side beams,
- an operator's cab mounted forwardly on said frame,
- a dump body comprising a pair of laterally spaced and parallel support rails each normally disposed on a respective one of said side beams when said dump body is horizontally disposed and maintained in a carry position on said frame,
- pivot means pivotally mounting said dump body forwardly on said frame,
- actuating means pivotally interconnected between said frame and said dump body for selectively pivoting said dump body about said pivot means and towards a forward end of said truck from its carry position to a raised dump position whereby material carried in said dump body can be discharged forwardly of said truck,
- a sub-frame pivotally connected at a forward end thereof to said main frame and secured at a rearward end thereof to an axle housing, said roadwheels comprising at least one pair of laterally spaced roadwheels rotatably mounted on outboard ends of said axle housing,
- a pair of laterally spaced suspension cylinders each pivotally interconnected between said axle housing and a respective one of said side beams, and
- a tag link at least generally disposed in alignment with said axle housing and pivotally interconnected between said axle housing and said main frame.
A truck comprising
- a frame mounted on a plurality of roadwheels and including a pair of laterally spaced and parallel side beams,
- an operator's cab mounted forwardly on said frame,
- a dump body comprising a pair of laterally spaced and parallel support rails each normally disposed on a respective one of said side beams when said dump body is horizontally disposed and maintained in a carry position on said frame,
- pivot means pivotally mounting said dump body forwardly on said frame, and
- actuating means pivotally interconnected between said frame and said dump body for selectively pivoting said dump body about said pivot means and towards a forward end of said truck from its carry position to a raised dump position whereby material carried in said dump body can be discharged forwardly of said truck,
- a sub-frame pivotally connected at a forward end thereof to said main frame and secured at rearward end thereof to an axle housing, said roadwheels comprising at least one pair of laterally spaced roadwheels rotatably mounted on outboard ends of said axle housing which extends therebetween, and
- a single drive motor mounted on said axle housing intermediate said last-mentioned roadwheels and drive means interconnecting said drive motor and said rear roadwheels for selectively rotating the same.
Dependencies are inferred from the claim text.