Locking mechanism for pontoon boat trailer

Details Locking mechanism for pontoon boat trailer Locking mechanism for pontoon boat trailer

1991-11-07

1995-01-31

Johnson, Brian L.

Land vehicles

Wheeled

Articulated vehicle

B60P 310

Patent

active

053853628

ABSTRACT:
A pontoon boat trailer having a wheeled main frame with a tongue and hitch unit at a front end, a subframe pivotally mounted on the main frame for supporting a pontoon boat, the subframe having an upstanding boat stop unit at the front end, and a winch assembly operably connected between the tongue and hitch unit and the front end of the subframe for pivotally raising and lowering the subframe, the improvement comprising a bracket unit mounted on the front end of the boat adapted for releasable locking engagement with the boat stop unit by utilizing the buoyancy of the boat.

REFERENCES:
patent: 3879781 (1975-04-01), Roschynialski
patent: 4023222 (1977-05-01), Selby
patent: 4114772 (1978-09-01), Beelow
patent: 4273351 (1981-06-01), Salamander
patent: 4395185 (1983-07-01), Whaley
patent: 4422665 (1983-12-01), Hinnant
patent: 4637770 (1987-01-01), Swadell
patent: 4702510 (1987-10-01), Davis
patent: 4801153 (1989-01-01), Wilson
patent: 5114168 (1992-05-01), Kehl

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