Collapsible boat trailer system

Details Collapsible boat trailer system Collapsible boat trailer system

2005-06-07

2005-06-07

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S639000, C280S656000

Reexamination Certificate

active

06902179

ABSTRACT:
A trailer has parallel rearward rails and a pair of angled forward rails and a pair of angled intermediate rails. A pair of similarly configured hinge assemblies couple the forward rails and the intermediate rails. Each hinge assembly includes upwardly extending wings on each intermediate rail with a bolt there between and with a hall positioned on the bolt between the wings. The hinge has a cylinder with a cylindrical opening secured to each forward rail. Each hinge assembly has a connecting element with an annular collar pivotably received on the ball of the adjacent rearward rail. A pin extends into the cylindrical opening whereby the forward rails may pivot with respect to the intermediate rails of the forward section.

REFERENCES:
patent: 2608418 (1952-08-01), Finlayson et al.
patent: 3554394 (1971-01-01), Hedman
patent: 3574388 (1971-04-01), Stone
patent: 3989264 (1976-11-01), Lovendahl
patent: 4362316 (1982-12-01), Wright
patent: 5570898 (1996-11-01), Albert
patent: 5590997 (1997-01-01), Fredriksson et al.
patent: 5924836 (1999-07-01), Kelly
patent: 6685209 (2004-02-01), Guio
patent: 4132646 (1993-04-01), None
patent: 29609799 (1997-10-01), None

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