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US 4,363,578 AGranted
Cushioned low profile trailer
AssigneePullman Incorporated
InventorsHarold Hesch, Michael DiLuigi, Thomas Lindauer
Life of this patent
Estimating the term…
Abstract
A trailer hitch for supporting wheeled trailers includes a pedestal which is rigidly secured to a platform and has mounted thereon for pivotal movement vertical support members which support a fifth wheel plate. The support members are interconnected by a horizontal plate which includes a horizontal pivot shaft and cushioning members which are placed in shear during transport of the wheeled trailers from one area to another.
Claims10
In a trailer hitch comprising an upright pedestal,
- a platform for supporting said pedestal,
- a generally vertical fifth wheel support member,
- means pivotally supporting said generally vertical fifth wheel support member on said pedestal for swinging movement about a horizontal axis,
- said generally vertical fifth wheel support member including an upper portion disposed above said pivotal means and a lower portion disposed below said pivotal means,
- the improvement comprising a cushioning assembly including a generally horizontal plate,
- means pivotally connecting said plate to the lower portion of said support member,
- first vertical plate means connected to said horizontal plate and depending therefrom,
- second vertical plate means supported on said platform and projecting upwardly therefrom, and
- shock absorbing means interconnecting said first and second plate means.
6 more elements
Dependencies are inferred from the claim text.