US3847105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquatic harvester
Assignee: KUTTOTHARA ABRAHAM C DR
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Filing: 1972-10-16
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Granted: 1974-11-12
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Expires: 1992-10-16
Abstract
Abstract An improved aquatic harvester is disclosed having an aquatic craft comprising a plurality of pontoons secured to a flat deck member, the craft being propelled and steered by a totally abovethe-water air propulsion system. Other features include a selfunloading conveyor system, a heavy duty cutter bar assembly specially designed for cutting underwater weed growth, and a 3phase electrical power system to operate all subassemblies. The harvester is capable of carrying payloads in excess of 10 tons while at the same time having a draft of approximately 15 inches of water with no below-the-water drive or controls, thus rendering the craft free from fouling.
Inventors
- 👤 T Kelpin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:02
CPC Classifications
A; A01; A01D; A01D44/00; B; B63; B63B; B63B1/00; B63B1/02; B63B1/10; B63B1/12; B63B1/125; B63B2001/126
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
260 words
An air thrust propulsion and steering system comprising an air propulsion unit having an internal combustion engine and an aerodynamic propeller, and a mounting means for said air propulsion unit comprising a first horizontally disposed annular member secured to the craft to be propelled, a second annular member superimposed upon said first annular member, said second annular member being radially immovable with respect to said first annular member and circumferentially rotatable about a common vertical axis therewith, engine mounting means secured to said second annular member, and means to selectively rotate said second annular member through an arc of 360*, said first and second annular members being of sufficient diameter to underlie a substantial portion of the propulsion engine and said engine being mounted substantially centered upon said second annular member, said first and second annular members each comprise a horizontally disposed annular-shaped flange and a generally vertically-disposed flange secured to said horizontal flange at a point near the outer circumference thereof, the vertical flange of said second annular member occupying a radially, inwardly contiguous position with respect to the vertical flange of said first annular member, one or more angular bracket members secured to said horizontally disposed annular-shaped flange of said second annular member and depending outwardly and downwardly therefrom to a point below the horizontally dislosed annularshaped flange of the first annular member, and a roller bearing member attached to the downwardly projecting portion of each bracket member, said roller bearing member being disposed inwardly and passing beneath the horizontally disposed annularshaped flange of the first annular member.
Claim 2
Dependent Claim
260 words
An air thrust propulsion and steering system comprising an air propulsion unit having an internal combustion engine and an aerodynamic propeller, and a mounting means for said air propulsion unit comprising a first horizontally disposed annular member secured to the craft to be propelled, a second annular member superimposed upon said first annular member, said second annular member being radially immovable with respect to said first annular member and circumferentially rotatable about a common vertical axis therewith, engine mounting means secured to said second annular member, and means to selectively rotate said second annular member through an arc of 360*, said first and second annular members being of sufficient diameter to underlie a substantial portion of the propulsion engine and said engine being mounted substantially centered upon said second annular member, said first and second annular members each comprise a horizontally disposed annular-shaped flange and a generally vertically-disposed flange secured to said horizontal flange at a point near the outer circumference thereof, the vertical flange of said second annular member occupying a radially, inwardly contiguous position with respect to the vertical flange of said first annular member, one or more angular bracket members secured to said horizontally disposed annular-shaped flange of said second annular member and depending outwardly and downwardly therefrom to a point below the horizontally dislosed annularshaped flange of the first annular member, and a roller bearing member attached to the downwardly projecting portion of each bracket member, said roller bearing member being disposed inwardly and passing beneath the horizontally disposed annularshaped flange of the first annular member.
Claim 3
Dependent Claim
32 words
An air thrust propulsion and steering assembly according to claim 1, wherein said rotating means comprises a reversible 12 volt electric motor operable from the ignition system of the propulsion unit engine.
Claim 4
Dependent Claim
22 words
An air thrust propulsion and steering assembly according to claim 2, further comprising a remote electrical control means for said electric motor.
Claim 5
Dependent Claim
43 words
The air thrust and steering system as defined by claim 1, wherein said second annular member is supported by and bears upon said first annular member only in a relatively narrow annular-shaped surface area located near the circumference of said second annular member.
Claim 6
Dependent Claim
23 words
The air thrust and steering system as defined by claim 1, wherein said propulsion engine is a high horsepower automotive internal combustion engine.
Claim 7
Dependent Claim
23 words
The air thrust and steering system as defined by claim 1, further comprising bearing members disposed between said first and second annular members.
Claim 8
Dependent Claim
25 words
The air thrust and steering system as defined by claim 6, wherein said bearing members comprise fiberglass blocks having channels adapted for containing a lubricant.
Claim 9
Dependent Claim
33 words
The air thrust and steering system as defined by claim 1, wherein the diameter of said first and second annular members is approximately equal to the largest dimension of the air propulsion unit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |