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Anti-sway trailer hitch

a trailer and anti-sway technology, applied in the field of trailer hitches, can solve the problems of concomitant right and left lateral shifting of the connecting towed vehicle forward end

Inactive Publication Date: 2006-11-23
HSUEH PAUL Y J
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The anti-sway trailer hitch invention prevents the towed vehicle from swaying when the towing vehicle shifts laterally. This is achieved by designing the hitch to cancel out the shifting displacement of the towed vehicle's rearward end, ensuring that the hitch ball remains in the same location and does not shift laterally. This results in a stable towed vehicle that does not sway."

Problems solved by technology

With a conventional trailer hitch installed on the rearward end of the towing vehicle, a slight left and right lateral shifting of the forward end of the towing vehicle results in concomitant right and left lateral shifting of the connecting towed vehicle forward end.

Method used

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Examples

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Embodiment Construction

[0027] As illustrated in FIG. 1 and FIG. 2, A hitch assembly of the present invention is generally designated by reference numeral 10 and articulately connects a towing vehicle 80 and a towed vehicle 90. The towing vehicle 80 includes a frame 80a, rear wheels 80b and rear axle 80c. The towed vehicle 90 is in the form of a trailer having supporting wheels 90a at opposite ends of an axle 90b. Various supporting wheel and axle arrangements may be provided for the trailer 90, and the forward end of the trailer is provided with a tongue or frame structure 92 that extends forward and includes a trailer hitch coupler 94 at forward end thereof.

[0028] The hitch assembly 10 includes a hitch frame 20 having a forward end 20a and a rearward end 20b, a center beam 30 having a forward end 30a, a middle portion 30b and a rearward end 30c, a center beam-extension 50 having a forward end 50a, a middle portion 50b and a rearward end 50c, a hitch beam 60 having a forward end 60a, a middle portion 60b...

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Abstract

An anti-sway trailer hitch connection is provided for use between a towing vehicle and a trailer and includes structure whereby slight left and right lateral movement of the forward end of the towing vehicle will not be translated into right and left lateral movement, respectively, of the forward end of the trailer, and thereby eliminates the tendency of a trailer to sway back and forth while a towing vehicle changes lanes on a highway or is acted on by cross-wind gusts from the passing of a large vehicle.

Description

CROSS-REFERENCES TO RELATED APPLICATIONS [0001] Not applicable. STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] Not applicable. REFERENCE TO A MICROFICHE APPENDIX [0003] Not applicable. TECHNICAL FIELD [0004] The present invention relates generally to trailer hitches, and more particularly to an improved anti-sway trailer hitch. BACKGROUND INFORMATION AND DISCUSSION OF RELATED ART [0005] Inasmuch as most passenger vehicles and the like include rear overhang portions, which project considerably rearward of the rear wheels of the vehicle, and trailer hitches are constructed in a manner such that the forward tongue portion of a trailer towed behind such vehicles are actually coupled to the vehicles at a point spaced slightly rearward of the rear bumpers of the vehicles, any slight left and right lateral shifting of the forward end of the towing vehicle results in right and left lateral shifting, respectively, of the forward end of the trailer. [0006] This operati...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B60D1/32
CPCB60D1/32B60D1/30
Inventor HSUEH, PAUL YJ.
Owner HSUEH PAUL Y J