Patent US3793973A successfully refreshed from Google Patents.
US3793973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sailing craft with stabilizing foil and adjustable rudder
Assignee: Individual
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Filing: 1971-08-05
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Granted: 1974-02-26
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Expires: 1991-08-05
Abstract
Abstract A sailing craft including a paddle board hull carrying a sail and having an outrigger mounted canted foil equipped with a fin for added stability. The craft is sailed by a person lying prone on the hull and a longitudinally adjustable rudder is attached to the hull and is manipulated with the feet to steer the craft.
Inventors
- 👤 G Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:53
CPC Classifications
B; B63; B63B; B63B39/00; B63B39/06; B63B39/062; B63H; B63H25/00; B63H25/06; B63H25/38; B63H25/382
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
138 words
A sailboat, comprising: a paddle board hull; a mast carried by said hull for supporting a sail; stabilizer foil means supported outboard of said hull by outrigger apparatus; and rudder means carried by said hull, said rudder means being longitudinally adjustable and including: a rudder; foot pedal means on said rudder, engageable by the feet of a person positioned with the upper portion of his body resting on said hull for operating said rudder; and means pivotally mounting said rudder rearwardly of said hull, comprising: a tube carried by said hull, and including a portion projecting rearwardly therefrom; a boom, the forward end of said boom being telescopically received in said tube; bracket means on the rear end of said boom for pivotally mounting said rudder thereon; and releaseable clamping means for securing said boom to said hull.
Claim 2
Dependent Claim
138 words
A sailboat, comprising: a paddle board hull; a mast carried by said hull for supporting a sail; stabilizer foil means supported outboard of said hull by outrigger apparatus; and rudder means carried by said hull, said rudder means being longitudinally adjustable and including: a rudder; foot pedal means on said rudder, engageable by the feet of a person positioned with the upper portion of his body resting on said hull for operating said rudder; and means pivotally mounting said rudder rearwardly of said hull, comprising: a tube carried by said hull, and including a portion projecting rearwardly therefrom; a boom, the forward end of said boom being telescopically received in said tube; bracket means on the rear end of said boom for pivotally mounting said rudder thereon; and releaseable clamping means for securing said boom to said hull.
Claim 3
Dependent Claim
45 words
A sailboat as recited in claim 1, wherein said foil means includes: a foil arranged to extend geNerally parallel to the longitudinal axis of said hull, and canted at an angle to the vertical; and at least one longitudinally extending fin on said canted foil.
Claim 4
Dependent Claim
23 words
A sailboat as recited in claim 2, including a pair of oppositely directed fins on said canted foil near the lower edge thereof.
Claim 5
Dependent Claim
26 words
A sailboat as recited in claim 3, wherein said foil is canted at about 45* to the vertical, and said fins project normally from said foil.
Claim 6
Dependent Claim
96 words
In a watercraft: a hull; a rudder; means pivotally mounting said rudder rearwardly of said hull; and foot pedal means on said rudder, engageable by the feet of a person positioned on said hull for operating said rudder, said rudder mounting means comprising: a tube carried by said hull, and including a portion projecting rearwardly therefrom; a boom, the forward end of said boom being telescopically received in said tube; bracket means on the rear end of said boom for pivotally mounting said rudder thereon; and releasable clamping means for securing said boom to said hull.
Claim 7
Dependent Claim
96 words
In a watercraft: a hull; a rudder; means pivotally mounting said rudder rearwardly of said hull; and foot pedal means on said rudder, engageable by the feet of a person positioned on said hull for operating said rudder, said rudder mounting means comprising: a tube carried by said hull, and including a portion projecting rearwardly therefrom; a boom, the forward end of said boom being telescopically received in said tube; bracket means on the rear end of said boom for pivotally mounting said rudder thereon; and releasable clamping means for securing said boom to said hull.
Claim 8
Dependent Claim
26 words
In a watercraft as recited in claim 5, wherein said foot pedal means comprises oppositely projecting, horizontally disposed pedals on the opposite sides of said rudder.
Claim 9
Dependent Claim
20 words
In a watercraft as recited in claim 6, wherein said rudder and said foot pedals are made of buoyant material.
Claim 10
Dependent Claim
87 words
In a watercraft as recited in claim 5, wherein said projecting tube end has a plurality of circumferentially spaced openings therein, and wherein said clamping means includes: a split sleeve encircling said projecting tube end; a plurality of radially inwardly projecting buttons carried by said split sleeve, one of said buttons being positioned to extend through each of said spaced openings; and means for moving the ends of said split sleeve toward and away from each other, to thereby advance and retract said radially directed buttons, respectively.
Claim 11
Dependent Claim
33 words
In a watercraft as recited in claim 5, wherein said tube and said boom are of complementary, non-circular cross section, whereby rotation of said rudder about the axis of said boom is prohibited.
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |