Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1987-10-26
1989-04-11
Pekar, John A.
Material or article handling
Self-loading or unloading vehicles
Conveyor
193 35B, 2804141, B60P 310
Patent
active
048201111
ABSTRACT:
A boat trailer having a frame, wheel unit, an adjustably mounted winch unit including a keel engaging member, an elongated second keel engaging member pivotally mounted on the frame rearwardly of the winch unit and self-centering to engage a longitudinal length of the keel, a pair of fender units each of which is reversibly mountable on either side of the frame for protecting a wheel, a pair of unitary post load guide brackets slidably engaged with the rear of the frame members and each supporting both a post guide and a rear taillight, a cross member pivotally and longitudinally adjustably mounted at each end to a frame member, and a pair of bunks and a pair of aligned, resiliently mounted roller units interchangeably mounted on said cross member for providing an automatic, full line engagement of either the bunks or the roller units with the bottom of the hull, when loaded, in combination with the second keel engaging member, forming a self-adjusting three point support of the boat hull.
REFERENCES:
patent: 2691534 (1954-10-01), Sampsell
patent: 2937775 (1960-05-01), Funk
patent: 2938735 (1960-05-01), Bennett
patent: 3044646 (1962-07-01), Sperow
patent: 3203563 (1965-08-01), Blatchford
patent: 3219217 (1965-11-01), Whalen
patent: 3539066 (1970-11-01), Stevenson
patent: 3677382 (1972-07-01), Coppel
patent: 3774790 (1973-11-01), Godbersen
patent: 3917087 (1975-11-01), Godbersen
patent: 4278388 (1981-07-01), Johnson
patent: 4681334 (1987-07-01), O'Brien
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