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US 7,451,995 B2Granted
King pin assembly for securing trailer to fifth wheel
AssigneeMartin Marietta Materials, Inc.
InventorsJeffrey L. Bloodworth, Dennis Skaradzinski, Walter William Wuerfel, III
Life of this patent
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Abstract
A king pin assembly for securing a trailer to a fifth wheel comprises a king pin and a king pin mount. The king pin is adapted to be secured to the fifth wheel. The king pin mount is secured to the king pin and adapted to mount the king pin to the trailer. The king pin mount comprises at least one component comprising a fiber-reinforced composite material.
Claims22
A king pin assembly for securing a trailer to a fifth wheel, the king pin assembly comprising:
- a king pin adapted to be secured to the fifth wheel, and
- a king pin mount secured to the king pin and adapted to mount the king pin to the trailer, the king pin mount including a composite fifth wheel plate having a first laminate sheet, a second laminate sheet secured on the first laminate sheet, and at least one fiber insertion extending in both the first laminate sheet and the second laminate sheet.
An apparatus, comprising:
- a platform trailer,
- a king pin adapted to be secured to a fifth wheel, and
- a king pin mount secured to the king pin and the platform trailer so as to mount the king pin to the platform trailer, the king pin mount including a composite fifth wheel plate having a first laminate sheet, a second laminate sheet secured on the first laminate sheet, and at least one fiber insertion extending in both the first laminate sheet and the second laminate sheet.
A king pin assembly for securing a trailer to a fifth wheel, the king pin assembly comprising:
- a king pin adapted to be secured to the fifth wheel, and
- a king pin mount secured to the king pin and adapted to mount the king pin to the trailer, the king pin mount comprising a composite fifth wheel plate made of the fiber-reinforced composite material including a first laminate sheet, a second laminate sheet secured on the first laminate sheet, and at least one fiber insertion extending in both the first laminate sheet and the second laminate sheet, and the composite fifth wheel plate is adapted to contact the fifth wheel when the king pin is secured thereto.
A king pin assembly for securing a trailer to a fifth wheel, the king pin assembly comprising:
- a king pin adapted to be secured to the fifth wheel, and
- a king pin mount secured to the king pin and adapted to mount the king pin to the trailer, the king pin mount comprising a composite fifth wheel plate made of the fiber-reinforced composite material, and the composite fifth wheel plate is adapted to contact the fifth wheel when the king pin is secured thereto,
- wherein the king pin mount comprises a number of cross members secured to an upper surface of the composite fifth wheel plate.
A king pin assembly for securing a trailer to a fifth wheel, the king pin assembly comprising:
- a king pin adapted to be secured to the fifth wheel, and
- a king pin mount secured to the king pin and adapted to mount the king pin to the trailer, the king pin mount comprising a composite fifth wheel plate made of the fiber-reinforced composite material, and the composite fifth wheel plate is adapted to contact the fifth wheel when the king pin is secured thereto,
- wherein the king pin mount comprises a cup-mounting plate and a cup secured to the cup-mounting plate, the king pin is secured to the cup and extends through an aperture defined in the composite fifth wheel plate, and the cup-mounting plate overlies the composite fifth wheel plate.
An apparatus, comprising:
- a platform trailer comprising a chassis comprising a pair of main beams extending longitudinally along the platform trailer,
- a king pin adapted to be secured to a fifth wheel, and
- a king pin mount secured to the king pin and the platform trailer so as to mount the king pin to the platform trailer, the king pin mount comprising (i) a composite fifth wheel plate made of a fiber-reinforced composite material and adapted to contact the fifth wheel when the king pin is secured to the fifth wheel, the composite fifth wheel plate secured to the main beams of the chassis, (ii) cross tubes positioned between the main beams, wherein an upper surface of the composite fifth wheel plate is secured to the cross tubes and the main beams.
An apparatus, comprising:
- a platform trailer,
- a king pin adapted to be secured to a fifth wheel, and
- a king pin mount secured to the king pin and the platform trailer so as to mount the king pin to the platform trailer, the king pin mount comprising (i) a composite fifth wheel plate made of a fiber-reinforced composite material and adapted to contact the fifth wheel when the king pin is secured to the fifth wheel, (ii) a cup-mounting plate and a cup secured to the cup-mounting plate, wherein the king pin is secured to the cup and extends through an aperture defined in the composite fifth wheel plate, and the cup-mounting plate is secured to the composite fifth wheel plate.
Dependencies are inferred from the claim text.