Dump trailer for asphalt paving
First Claim
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1. A trailer for delivering asphalt material to a paving machine comprising:
- a trailer bed for holding asphalt material, wherein said trailer bed has a dump end and a lowered position;
a trailer frame having at least one axle;
at least one hinge arm separating two end portions, wherein a first one of said two end portions is fixed to said trailer bed a horizontal distance offset from said axle opposite the direction of said trailer bed dump end, and a second one of said two end portions is mounted to said axle such that a closest connection between said trailer bed and said axle is non-vertical when said trailer bed is in said lowered position; and
, wherein said hinge arm and said trailer bed define a gap open towards said dump end direction in an angle between said hinge arm and said trailer bed.
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Abstract
An improved dump trailer hinge design for use in asphalt paving applications is disclosed. The hinge system may be used on dump or straight trailers having half or full trailer frames. The trailer dump bed is hingeably mounted to the trailer frame by hinge arms having a length greater than the vertical distance between the hinge and the trailer bed. A mud flap mounting bracket suitable for use with the hinge system is also disclosed.
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Citations
18 Claims
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1. A trailer for delivering asphalt material to a paving machine comprising:
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a trailer bed for holding asphalt material, wherein said trailer bed has a dump end and a lowered position;
a trailer frame having at least one axle;
at least one hinge arm separating two end portions, wherein a first one of said two end portions is fixed to said trailer bed a horizontal distance offset from said axle opposite the direction of said trailer bed dump end, and a second one of said two end portions is mounted to said axle such that a closest connection between said trailer bed and said axle is non-vertical when said trailer bed is in said lowered position; and
,wherein said hinge arm and said trailer bed define a gap open towards said dump end direction in an angle between said hinge arm and said trailer bed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 17)
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11. A trailer for delivering asphalt material to a paving machine comprising:
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a trailer frame having a back portion;
a trailer bed mounted to said trailer frame for holding asphalt material, wherein said trailer bed has at least one connection location and wherein said trailer bed is movable between a lowered position and a raised position;
at least one hinge arm connected to said trailer bed at said at least one connection location and further connected to said trailer frame, wherein a closest connection between said trailer bed and said trailer frame is non-vertical, and wherein said hinge arm operates to move said at least one connection location upward and backward relative to said trailer frame when said trailer bed is moved between said lowered position and said raised position; and
,wherein said hinge arm and said trailer bed define a gap open towards said back portion direction in an angle between said hinge arm and said trailer bed. - View Dependent Claims (12, 13, 14, 15, 16, 18)
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Specification