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Trailer hitch assembly

A component and trailer technology, applied in the direction of vehicle components, traction connectors, transportation and packaging, etc., can solve problems such as unsatisfactory shear load, difficult efficiency, loss, etc.

Inactive Publication Date: 2008-12-10
SAF HOLLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These fasteners for hitch assemblies, which have proven difficult to remove by requiring the use of two hands to open the hitch, are likewise difficult and inefficient during installation, and sometimes do not meet the requirements imposed on them. on shear load requirements, which are expensive to manufacture and are easily misplaced and lost

Method used

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Examples

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Embodiment Construction

[0019] Here, for the purpose of description, the terms "upper", "lower", "right", "left", "rear", "front", "vertical", "horizontal" and their derivatives will be used in the present invention according to The orientation shown in Figure 3 is defined. However, it should be understood that the invention may assume various orientations and step sequences unless otherwise specified. It should also be understood that the particular devices and methods illustrated in the drawings and described in the following specification are exemplary embodiments of the principles of the invention claimed herein. Therefore, unless expressly stated otherwise, specific dimensions and other physical characteristics related to the embodiments disclosed herein are not to be construed as limiting the present invention.

[0020] Reference numeral 10 (FIG. 3) generally indicates a trailer hitch assembly embodying the present invention. In the illustrated example, the trailer hitch assembly 10 includes ...

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PUM

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Abstract

A trailer hitch assembly includes a receiver portion including a cylindrically-shaped cavity, a bushing member received within the cavity of the receiver portion, and a hitch member that includes a shaft pivotally received within the bushing member. At least a selected one of the bushing member and the shaft is constructed of a material that substantially eliminates the need for using a separately applied lubricant during use of the trailer hitch assembly. The hitch member also includes a first jaw member, a second jaw member coupled to the first jaw member and operable between open and closed positions, a primary latch coupled with the second jaw member and operable between a locked position preventing opening of the second jaw member, and an unlocked position allowing opening of the second jaw member, and a secondary latch coupled with the primary latch and operable between a locked position preventing unlocking of the primary latch, and an unlocked position, wherein the primary latch may be moved to the unlocked position thereof.

Description

[0001] This application is a divisional application with an international filing date of May 28, 2004, an application number of 200480014720.8, and an invention title of "Trailer Hitch Assembly". [0002] Cross References to Related Applications [0003] This application claims priority to U.S. Provisional Application No. 60 / 473,652, filed May 28, 2003, entitled "Trailer Hitch Assembly," the entire contents of which are incorporated herein by reference. technical field [0004] The present invention relates to trailer hitch assemblies, more particularly to a lube-free assembly, and further to primary and secondary latches for a tow hitch. Background technique [0005] Hitch assemblies are widely used in vehicle towing operations and applications and come in a variety of configurations and orientations. These hitch assemblies typically include a first portion connected to the towed vehicle, and a second portion operatively coupled to the first portion and adapted for engagem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60D1/173
Inventor E·M·特普斯马D·O·罗R·T·波拉尼克R·A·巴恩森
Owner SAF HOLLAND GMBH
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