Back to results
US 4,103,926 AGranted
Convertible boat-utility trailer
AssigneeConsolidated Energy Products Co.
InventorsCharles Richard Johnston, James G. MacGregor
Life of this patent
Estimating the term…
Abstract
A trailer construction that provides an unobstructed flat bed having opposite side walls and hinged or removable front and rear gates as well as adjusting and retracting keel and chine rollers for converting the flat bed of the utility trailer into a boat trailer.
Claims9
A convertible utility boat trailer having a wheeled undercarriage and a telescoping tow bar including
- (a) a utility carry-all flat bed supported on said undercarriage,
- (b) means for rollably supporting the keel of a boat upon said flat bed,
- (c) mounting brackets movably carried by said flat bed in selective openings formed therein for movably carrying said keel supporting means,
- (d) means for supporting the hull of a boat upon said flat bed and cooperating with said keel supporting means for centering the keel of the boat upon said flat bed,
- (e) mounting brackets carried by said flat bed in other selective openings for movably carrying said hull supporting means,
- (f) means for retracting said keel supporting means and said hull supporting means through the selective openings to a position beneath the plane of said flat bed when the trailer is used as a utility carry-all,
- (g) said retracting means including toothed indexing quadrants mounted on said flat bed beneath said selective openings and to which said mounting brackets are pivotally connected, and indexing keys carried by said mounting brackets and adapted to latch said keel supporting means and said hull mounting brackets in varying elevated positions relative to the normal plane of said flat bed so as to support and center a boat thereon.
4 more elements
A convertible utility-boat trailer having a wheeled undercarriage and a telescoping tow bar including
- (a) a utility carryall flat bed supported on said undercarriage,
- (b) a series of keel rollers spaced along the centerline of said flat bed for supporting the hull of a boat thereon,
- (c) mounting brackets for said keel rollers,
- (d) openings formed along the centerline of said flat bed through which said keel roller brackets are adapted to be moved into and out of an elevated position with respect to the normal plane of said flat bed,
- (e) fixed U-shaped mounting plates positioned in said openings beneath said flat bed with the side walls thereof providing toothed indexing quadrants,
- (f) means for pivotally connecting said keel roller mounting brackets to said U-shaped mounting plates,
- (g) indexing keys mounted on said keel roller mounting brackets and adapted to have releasable contact with said toothed indexing quadrants so as to releasably latch said keel roller mounting brackets and said keel rollers in a predetermined position relative to the normal plane of said flat bed,
- (h) a pair of chine roller supporting means to either side of the centerline of said flat bed,
- (i) a series of chine rollers mounted on each of said chine roller supporting means for contacting and centering the hull of a boat on said flat bed,
- (j) means movably supporting each of said chine roller supporting means,
- (k) a pair of openings formed in said flat bed to either side of said openings formed along the centerline of said flat bed through which said chine roller supporting means are adapted to be moved into an elevated position with respect to the normal plane of said flat bed, and
- (l) means for releasably latching said chine roller supporting means in a predetermined position with respect to the normal plane of said flat bed of said trailer.
9 more elements
Dependencies are inferred from the claim text.