Patent US3687476A successfully refreshed from Google Patents.
US3687476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable dolly wheel for boat
Assignee: Individual
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Filing: 1970-09-21
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Granted: 1972-08-29
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Expires: 1990-09-21
Abstract
Abstract A single-wheeled, cushioned dolly mountable under an automobiletop carried boat for conveniently wheeling the boat from the automobile to the water. This readily dismantled device includes an adjustable cross-member which is adaptable to various size boats and spring loaded cables for securing the boat.
Inventors
- 👤 Roderic M Abbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:54
CPC Classifications
B; B63; B63C; B63C13/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
193 words
A dolly for light boats or the like, comprising frame means including downwardly extending wheel support members; a single wheel rotatably mounted between said downwardly extending wheel support members; boat supporting pad means attached to said frame means for alignment along the keel of a carried boat; length adjustable outrigger means fixed to said frame means and providing a pair of opposed, outwardly extending ends generally parallel to the axis of rotation of said wheel and including a central section and a pair of end sections telescoped therein wherein both end sections thereof are extendable outwardly so as to be adjustable in length and stop means for each said end section to fix the length thereof at one of a plurality of lengths; and securing means inclusive of a pair of lines having padded hook means thereon, one said line means attached adjacent each end of said outrigger member and each said hook means arranged to fit over a boat''s gunwale so that when said lines are tightened, a mounted boat is held securely on said dolly, and when said dolly is positioned under a boat, the boat is easily wheeled along terrain.
Claim 2
Dependent Claim
193 words
A dolly for light boats or the like, comprising frame means including downwardly extending wheel support members; a single wheel rotatably mounted between said downwardly extending wheel support members; boat supporting pad means attached to said frame means for alignment along the keel of a carried boat; length adjustable outrigger means fixed to said frame means and providing a pair of opposed, outwardly extending ends generally parallel to the axis of rotation of said wheel and including a central section and a pair of end sections telescoped therein wherein both end sections thereof are extendable outwardly so as to be adjustable in length and stop means for each said end section to fix the length thereof at one of a plurality of lengths; and securing means inclusive of a pair of lines having padded hook means thereon, one said line means attached adjacent each end of said outrigger member and each said hook means arranged to fit over a boat''s gunwale so that when said lines are tightened, a mounted boat is held securely on said dolly, and when said dolly is positioned under a boat, the boat is easily wheeled along terrain.
Claim 3
Dependent Claim
63 words
A dolly according to claim 1 wherein said outrigger means is a tube-in-a-tube arrangement inclusive of a central tube and pair of end tubes wherein both end tubes thereof are extendable outwardly so as to be adjustable in length, and stop means for each said end tube to fix the length of each end tube at one of a plurality of selected lengths.
Claim 4
Dependent Claim
11 words
A dolly according to claim 2 wherein said tubes are circular.
Claim 5
Dependent Claim
33 words
A dolly according to claim 2 wherein said outrigger means includes a central rectangular tube, and a pair of channel end members partly telescoped therein provide a length adjust for said opposed ends.
Claim 6
Dependent Claim
17 words
A dolly according to claim 1 wherein said outrigger means is selectively dismountable from said frame means.
Claim 7
Dependent Claim
47 words
A dolly according to claim 1 wherein eye bolt means depend from each of opposed ends of said outrigger for attachment of said line means thereto and further characterized by spring means in series with said gunwale hook means for snap-fitting said hook of a boat''s gunwale.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |