US20050207850A1 - Marine pest deterrent - Google Patents
Marine pest deterrent Download PDFInfo
- Publication number
- US20050207850A1 US20050207850A1 US10/802,711 US80271104A US2005207850A1 US 20050207850 A1 US20050207850 A1 US 20050207850A1 US 80271104 A US80271104 A US 80271104A US 2005207850 A1 US2005207850 A1 US 2005207850A1
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- US
- United States
- Prior art keywords
- hub
- arm
- platform
- inertia
- length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
Abstract
A marine structure including a platform and a pest deterrent rotatably connected to the platform. The pest deterrent includes a hub rotatably connected to the platform and at least one arm extending radially from the hub where each arm extends from the hub at an angle above horizontal. Each arm includes an area moment of inertia and a length. A ratio of the area moment of inertia to the length is less than 0.0001 inches3. Each arm further includes a wind collector at an end opposite of the hub.
Description
- 1. Field of the Invention
- The present invention relates to marine pest deterrents, and, more particularly, to wind operated marine pest deterrents.
- 2. Description of the Related Art
- Boat docks are known which provide a secure location to attach docking lines from a boat to hold the boat stationary for boarding/unboarding, provisioning, and the like. Another use for docks is to provide a convenient in the water storage for boats. A boat operator can simply cast the boat away from the boat dock and make way without the need for launching the boat into the water at a ramp, for example.
- Boat lifts are known which provide similar functionality and advantages of the boat dock, but additionally can lift a boat out of the water. A boat lift easily lifts the boat out of the water using the mechanical advantage of a large lift wheel or motor and thereby protects the boat from wind waves, wake waves, wind surges, wind currents, river currents, ocean currents, seasonal variations in water level and tides when the boat is not in use.
- Boat docks or boat lifts can include various structures such as light poles, piers, standoffs, canopies or other covers and the like on which avian and other animals may perch, nest, eliminate waste and perform other undesirable (relative to the intended purpose of the marine structure) actions. Such undesirable actions on the part of the animal world can physically damage the marine structures. Further, as boat owners are known that keep their marine equipment “bristol”, the undesirable actions on the part of the animal world create additional work for the owner and/or can generally disturb the owner's sense of well being.
- Similarly, the boats themselves can include biminis, dodgers and other covers, and a variety of structures on which the animal world can meet their undesirable actions. For example, squirrels are known to nest in mainsails. This can be convenient for the squirrel because the squirrel can shred the mainsail to provide the nesting material; however, imagine the boat owner's grief when the wind is blowing and they are ready for a beautiful summer sail but instead find a squirrel's nest and a hole in their mainsail. It is obviously desirable to deter the animal world from such unwanted actions.
- A further consideration is a boat, particularly a recreational boat, spends far more time at a boat lift, boat dock or mooring than in actual use. Likewise, a boat dock or boat lift is accessible typically for the entire boating season. Both of these considerations imply that there is ample opportunity for damage to the marine equipment relative to the undesirable actions of the pests.
- Mock predator deterrents, such as a paper mache or plastic owl, are known but they have the disadvantage of losing their effectiveness in a relatively short period of time once the pest realizes the mock predator provides no real threat. These deterrents also have the disadvantage of coming apart which can provide an environmental hazard.
- Relative to noise deterrents, a sea gull for example, can become accustomed to the noise deterrent once the gull becomes familiar with the noise. Noise deterrents also have the disadvantage of, while not being a very effective pest deterrent, being a remarkably effective neighbor annoying device.
- Rotating deterrents are known but have the disadvantage of providing only a rotation of the device. Further, such devices are limited in that they can be mounted to only one type of marine structure.
- What is needed in the art is a marine pest deterrent which does not loose its effectiveness, which is environmentally friendly, which requires no utility power to operate, which does not annoy a boat owner's neighbor, which is aesthetically pleasing to the boat owner and neighbors, which can be mounted to a variety of marine structures, which is reliable in service, which is economical to manufacture and which provides a complex motion deterrent.
- The present invention provides a marine pest deterrent with both a rotational and vertical motion due to its novel structure.
- The invention comprises, in one form thereof, a marine structure including a platform and a pest deterrent rotatably connected to the platform. The pest deterrent includes a hub rotatably connected to the platform and at least one arm extending radially from the hub where each arm extends from the hub at an angle above horizontal. Each arm includes an area moment of inertia and a length. A ratio of the area moment of inertia to the length is less than 0.0001 inches3. Each arm further includes a wind collector at an end opposite of the hub.
- An advantage of the present invention is a marine pest deterrent which does not loose its effectiveness.
- Another advantage of the present invention is a marine pest deterrent which is environmentally friendly.
- Yet another advantage of the present invention is a marine pest deterrent which requires no utility power to operate.
- A further advantage of the present invention is a marine pest deterrent which can be mounted to a variety of marine structures.
- A further advantage of the present invention is a marine pest deterrent which is aesthetically pleasing to the boat owner and neighbors.
- A further advantage of the present invention is a marine pest deterrent which is economical to manufacture.
- A further advantage of the present invention is a marine pest deterrent which is reliable in service.
- A further advantage of the present invention is a marine pest deterrent provides a complex motion deterrent.
- The above-mentioned and other features and advantages of this invention, and the manner of attaining them, will become more apparent and the invention will be better understood by reference to the following description of an embodiment of the invention taken in conjunction with the accompanying drawings, wherein:
-
FIG. 1 is a perspective view an embodiment of the marine pest deterrent of the present invention; -
FIG. 2 is a front view of the marine pest deterrent ofFIG. 1 showing the vertical motion; -
FIG. 3 is a top view of the marine pest deterrent ofFIG. 1 showing the rotational motion; -
FIG. 4 is a perspective and partially exploded and fragmentary view of a hub detail of section 4-4 ofFIG. 2 ; -
FIG. 5 is a front view of the hub ofFIG. 4 showing an angle from a horizontal relative to the positioning of the arms; -
FIG. 6 is a perspective view an embodiment of a wind collector of the present invention; and -
FIG. 7 is a cross-sectional view of the wind collector taken along section line 7-7 which shows an embodiment of a reliable and economical method of the present invention of attaching the wind collector to an arm. - Corresponding reference characters indicate corresponding parts throughout the several views. The exemplifications set out herein illustrates one preferred embodiment of the invention, in one form, and such exemplification is not to be construed as limiting the scope of the invention in any manner.
- Referring now to the drawings, and more particularly to
FIG. 1 , there is shown amarine structure 10 which generally includes aplatform 12 and apest deterrent 14 rotatably connected toplatform 12. -
Platform 12 includesdock 16 connected tomount 18. Mount 18 is connected todock 16 withu-bolt assembly 20.Platform 12 can further includecover 22 under which boat 24 (dashed lines) is stored and protected from the elements.Platform 12 can be a boat lift and/or a boat dock. Alternatively,platform 12 can simply includemount 18 andu-bolt assembly 20, as whenpest deterrent 14 is connected directly to a boat at a mooring, for example. In the case of a boat at a mooring,mount 18 can be connected to a stanchion, stay, cabin top, or other superstructure (all not shown) on the boat. - Pest
deterrent 14 is an aerodynamic device which provides unique functionality due to its novel structure. Pestdeterrent 14 includeshub 26 rotatably connected toplatform 12. At least onearm 28 extends radially fromhub 26. Eacharm 28 extends fromhub 26 at anangle 30 above horizontal 32.Arms 28 can connect tohub 26 using setscrews 33. Eacharm 28 includes an area moment of inertia 34 and alength 36. A ratio of area moment of inertia 34 tolength 36 is less than 0.0001 inches3. For example,length 36 can be equal to 45 inches. For anarm 28 having a circular cross-section with a radius of 0.125 inches, the area moment of inertia 34 can be equal to π(0.125 inches)4/4=1.92×10−4 inches4. The ratio of area moment of inertia 34 tolength 36 is therefore equal to 1.92×10−4 inches4/45 inches=4.26×10−6 inches3. Eacharm 28 includes a wind collector 38 at anend 40 ofarm 28opposite hub 26. Area moment of inertia 34 is sometimes known as a second moment of area. -
Angle 30 can be approximately between 2° and 20° above horizontal 32, advantageously between 7° and 9° above horizontal 32, and preferably at 8° above horizontal 32. - Wind collector 38 is shown as a cup 41. The cup shape of wind collector 38 provides aerodynamic advantage and also a convenient and ecomomical method of attachment to
arm 28. Cup 41 includes anouter periphery 44 with aflange 46 which extends continuously from cup 41. Each cup 41 has adiameter 48 which is greater than 3 inches, for example. Cup 41 can be connected toarm 28 through asimple fastener arrangement 49. - A bearing 50 can be included between
hub 26 andplatform 12.Bearing 50 can be any one of many bearing types such as a roller bearing, slide bearing, needle bearing and the like. - The novel combination of
angle 30, the ratio of area moment of inertia 34 tolength 36, the self weight ofarm 28 and the weight of cup 41, all of which prestressesarm 28, provides a pleasing oscillatory motion which has both avertical motion 52 and arotational motion 54. This pleasing oscillatory motion provides a consistent pest deterrent and is also aesthetically pleasing to both boat owners and neighbors alike. -
Pest deterrent 14 is environmentally friendly because, among other reasons, it is wind driven and requires no utility power source. The aerodynamic look ofpest deterrent 14 is complementary to a variety of marine devices. - In use,
pest deterrent 14 is connected to a marine structure.Pest deterrent 14 includeshub 26 rotatably connected toplatform 12 ofmarine structure 10. At least onearm 28 extends radially fromhub 26 at anangle 30 above horizontal 32. Eacharm 28 includes an area moment of inertia 34 and alength 36. A ratio of area moment of inertia 34 to length 35 is less than 0.0001 inches3. Eacharm 28 includes a wind collector 38 at anend 40 ofarm 28opposite hub 26. Each arm is prestressed with a self weight, a weight of a corresponding wind collector 38 and extendingarm 28 atangle 30. As the wind actuatespest deterrent 14,hub 26 is rotated aboutplatform 12, and wind collectors 38 are oscillated. The oscillation of wind collectors 38 includes bothvertical motion 52 androtational motion 54.Vertical motion 52 at least partially results from the prestressing ofarm 28. - While this invention has been described as having a preferred design, the present invention can be further modified within the spirit and scope of this disclosure. This application is therefore intended to cover any variations, uses, or adaptations of the invention using its general principles. Further, this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains and which fall within the limits of the appended claims.
Claims (11)
1. A marine structure, comprising:
a platform;
a pest deterrent including a hub rotatably connected to said platform, at least one arm extending radially from said hub, each said arm extending from said hub at an angle above horizontal when each said arm is in an operational position, each said arm including an area moment of inertia and a length, a ratio of said area moment of inertia to said length is less than 0.0001 inches3, each said arm including a wind collector at an end opposite said hub.
2. The marine structure of claim 1 , wherein said platform is at least one of a boat lift and a boat dock.
3. A marine structure, comprising:
a platform:
a pest deterrent including a hub rotatably connected to said platform at least one arm extending radially from said hub, each said arm extending from said hub at an angle above horizontal, each said arm including an area moment of inertia and a length, a ratio of said area moment of inertia to said length is less than 0.0001 inches3, each said arm including a wind collector at an end opposite said hub, said angle being approximately between 2° and 20°:
4. The marine structure of claim 3 , wherein said angle is approximately between 7° and 9°.
5. The marine structure of claim 1 , wherein each said wind collector is a cup.
6. A marine structure, comprising:
a platform;
a pest deterrent including a hub rotatably connected to said platform at least one arm extending radially from said hub each said arm extending from said hub at an angle above horizontal each said arm including an area moment of inertia and a length a ratio of said area moment of inertia to said length is less than 0.0001 inches3, each said arm including a wind collector at an end opposite said hub each said wind collector being a cup, further including an outer periphery on each said cup, each said outer periphery including a flange extending continuously from said cup.
7. The marine structure of claim 5 , wherein each said cup has a diameter which is greater than 3 inches.
8. The marine structure of claim 1 , further including a bearing between said hub and said platform.
9. A method of deterring marine pests, comprising the steps of:
connecting a pest deterrent to a marine structure, said pest deterrent including a hub rotatably connected to a platform of said marine structure;
extending at least one arm radially from said hub at an angle above horizontal, each said arm including an area moment of inertia and a length, a ratio of said area moment of inertia to said length is less than 0.0001 inches3, each said arm including at least one wind collector at an end opposite said hub;
prestressing each said arm with a self weight, a weight of a corresponding said wind collector and said extending step;
rotating said hub about said platform; and
oscillating said at least one wind collector.
10. The method of claim 9 , wherein said oscillating step includes both a vertical motion and a rotational motion of each said at least one wind collector.
11. The method of claim 10 , wherein vertical motion at least partially results from said prestressing step.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/802,711 US6941886B1 (en) | 2004-03-17 | 2004-03-17 | Marine pest deterrent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/802,711 US6941886B1 (en) | 2004-03-17 | 2004-03-17 | Marine pest deterrent |
Publications (2)
Publication Number | Publication Date |
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US6941886B1 US6941886B1 (en) | 2005-09-13 |
US20050207850A1 true US20050207850A1 (en) | 2005-09-22 |
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Application Number | Title | Priority Date | Filing Date |
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US10/802,711 Expired - Fee Related US6941886B1 (en) | 2004-03-17 | 2004-03-17 | Marine pest deterrent |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9487271B2 (en) * | 2014-11-10 | 2016-11-08 | Eric N Craig | Modular boat lift cover |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8104235B2 (en) * | 2007-08-09 | 2012-01-31 | Mcculloch Paul | Apparatus and method for deterring birds |
US20110005146A1 (en) * | 2009-07-13 | 2011-01-13 | Ryan Edwin H | Bird deterrent |
US9107400B1 (en) * | 2010-03-10 | 2015-08-18 | SealStop, Inc. | Marine animal deterrent apparatus and related methods |
US20120113754A1 (en) | 2010-11-09 | 2012-05-10 | Eminent Technology Incorporated | Active non-lethal avian denial infrasound systems and methods of avian denial |
ES1076469Y (en) * | 2011-12-01 | 2012-06-08 | Sempre Abril S L | PROTECTOR TO AVOID THE SETTLEMENT OF BIRDS IN MARITIME AREAS, PORTS AND IN ALL KINDS OF BOATS. |
ES2406385B1 (en) * | 2012-11-09 | 2014-01-10 | Sempre Abril S.L. | Device to deter the settlement of birds |
US9339024B2 (en) | 2012-12-20 | 2016-05-17 | Bird-B-Gone, Inc. | Rotatable bird deterrent device |
US9125395B1 (en) * | 2013-03-12 | 2015-09-08 | Richard A. Maury | Apparatus and method for bird deterrence for a marine vessel |
US9554569B2 (en) * | 2015-03-03 | 2017-01-31 | Billy M. Betts, JR. | Repellant system |
AT517419B1 (en) * | 2015-07-10 | 2018-01-15 | T&M Consulting Gmbh | Device for repelling animals |
US20180153154A1 (en) * | 2016-12-06 | 2018-06-07 | Rodger Cosgrove | Pinniped Deterrent |
Citations (9)
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US1751176A (en) * | 1927-07-21 | 1930-03-18 | Rystrom Oscar Albin | Road sign |
US2596678A (en) * | 1950-11-21 | 1952-05-13 | Jr William W Gross | Wild life chaser |
US3292319A (en) * | 1964-06-22 | 1966-12-20 | Henry J Mccarthy | Sea gull guard |
US3799105A (en) * | 1971-09-02 | 1974-03-26 | E Porter | Apparatus for protecting agricultural crops from pests |
US4074653A (en) * | 1976-12-27 | 1978-02-21 | Pember Carleton R | Bird frightener |
US4131079A (en) * | 1977-10-05 | 1978-12-26 | Rousseau Jr John F | Wind rotated reflective scarecrow |
USD303225S (en) * | 1986-12-04 | 1989-09-05 | Niebling Sr John F | Seagull guard |
USD328806S (en) * | 1989-06-01 | 1992-08-18 | Tucker Robert M | Implement for scaring birds |
US5343651A (en) * | 1990-02-05 | 1994-09-06 | Chatten Victor H | Methods and mechanical apparatus for deterring birds |
-
2004
- 2004-03-17 US US10/802,711 patent/US6941886B1/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1751176A (en) * | 1927-07-21 | 1930-03-18 | Rystrom Oscar Albin | Road sign |
US2596678A (en) * | 1950-11-21 | 1952-05-13 | Jr William W Gross | Wild life chaser |
US3292319A (en) * | 1964-06-22 | 1966-12-20 | Henry J Mccarthy | Sea gull guard |
US3799105A (en) * | 1971-09-02 | 1974-03-26 | E Porter | Apparatus for protecting agricultural crops from pests |
US4074653A (en) * | 1976-12-27 | 1978-02-21 | Pember Carleton R | Bird frightener |
US4131079A (en) * | 1977-10-05 | 1978-12-26 | Rousseau Jr John F | Wind rotated reflective scarecrow |
USD303225S (en) * | 1986-12-04 | 1989-09-05 | Niebling Sr John F | Seagull guard |
USD328806S (en) * | 1989-06-01 | 1992-08-18 | Tucker Robert M | Implement for scaring birds |
US5343651A (en) * | 1990-02-05 | 1994-09-06 | Chatten Victor H | Methods and mechanical apparatus for deterring birds |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9487271B2 (en) * | 2014-11-10 | 2016-11-08 | Eric N Craig | Modular boat lift cover |
Also Published As
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US6941886B1 (en) | 2005-09-13 |
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