[특허]Boat stabilizer, boat motor and related method

Marine Dynamics, Inc.

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Boat stabilizer, boat motor and related method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B63B-001/24
미국특허분류(USC)	114/274;
출원번호	US-0083847 (2006-10-06)
등록번호	US-8302549 (2012-11-06)
국제출원번호	PCT/US2006/039526 (2006-10-06)
§371/§102 date	20080418 (20080418)
국제공개번호	WO2007/047257 (2007-04-26)
발명자 / 주소	Templeman, Steven W. Templeman, Jon C.
출원인 / 주소	Marine Dynamics, Inc.
대리인 / 주소	McAfee & Taft
인용정보	피인용 횟수 : 7 인용 특허 : 27

초록
▼

A boat stabilizer that is attachable to the anti-cavitation plate or other structure of the lower drive unit of a boat motor without permanently modifying the structure of the anti-cavitation plate or other structure is provided. The shape and size of the boat stabilizer causes the stabilizer to effectively harness and control the thrust energy generated by the propeller resulting in improved thrust and fuel efficiency. Due to various features, the drag associated with the boat stabilizer is kept to a minimum. Finally, decals and other decorative elements are integrally embedded into the top surface of the inventive boat stabilizer using in-mold decoration (“IMD”) technology which makes the elements resistant to ultra-violet light, virtually indestructible and highly appealing. A boat motor, a method of attaching a boat stabilizer to a boat motor and a method of molding a boat stabilizer having at least one decorative element integrally embedded in the top surface thereof are also provided.

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청구항
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1. A boat stabilizer that is attachable to the lower drive unit of a boat motor without permanently modifying the structure of the lower drive unit, said boat stabilizer comprising: a top surface,a bottom surface,a nose portion that includes a front end and a rear end and a slot for receiving a portion of the lower drive unit of the boat motor wherein said slot has a front end adjacent to said front end of said nose portion, a rear end and opposing side walls extending from said front end to said rear end, wherein said slot extends through said front end toward said rear end of said nose portion and defines a substantially horizontal receptacle for receiving a portion of said lower drive unit, and said slot includes an upper surface and a lower surface that can be clamped together to attach said nose portion to the lower drive unit without permanently modifying the structure of the lower drive unit,an aperture extending through said top and bottom surfaces of said nose portion and though said upper and lower surfaces of said slot adjacent to said front end of said nose portion and one of said side wall of said slot for receiving a fastening device for clamping said upper and lower surfaces of said slot together and attaching said nose portion to the lower drive unit, wherein said top surface of said boat stabilizer includes a recessed section that extends around said aperture,a cover that fits within said recessed section and covers said aperture and any fastening device therein,a tail opposing said nose portion, anda main body connecting said nose portion and said tail together, said main body including a wing section for providing lift to the stern of the boat during operation of the boat,wherein said bottom surface of said stabilizer includes a recessed area around an opening in said nose portion for receiving a torque tab associated with the lower drive unit. 2. The boat stabilizer of claim I wherein: said boat stabilizer is attachable to the lower drive unit of the boat motor that includes an anti-cavitation plate above the propeller and wherein said torque tab attached to the bottom of the anti-cavitation plate by a torque tab fastening device that extends through the corresponding opening in the anti-cavitation plate;said nose portion includes an opening that extends through said top and bottom surfaces of said nose portion and can be aligned with the opening in the anti-cavitation plate to receive the torque tab fastening device; andsaid means associated with said nose portion for attaching said nose portion to the lower drive unit without permanently modifying the structure of the lower drive unit includes said opening in said nose portion. 3. The boat stabilizer of claim 2, wherein said opening in said nose portion is elongated and has a longitudinal axis that is substantially parallel to the longitudinal axis of the boat stabilizer. 4. The boat stabilizer of claim 1, wherein said nose portion further includes an upper notch for receiving a portion of the lower drive unit, said upper notch extending from said front end toward said rear end of said nose portion and through said top surface of said boat stabilizer and having a longitudinal axis that is substantially parallel to the longitudinal axis of said boat stabilizer. 5. The boat stabilizer of claim 1 wherein said nose portion further includes a lower notch for receiving a portion of the lower drive unit, said lower notch extending from said front end toward said rear end of said nose portion and through said bottom surface of said boat stabilizer and having a longitudinal axis that is substantially parallel to the longitudinal axis of said boat stabilizer. 6. The boat stabilizer of claim 1 wherein said slot has a depth in the range of from about 8 inches to about 12 inches. 7. The boat stabilizer of claim 1 wherein said slot has a width in the range of from about 6 inches to about 10 inches, and a thickness in the range of from about 0.25 inches to about 0.75 inches. 8. The boat stabilizer of claim 1 wherein said boat stabilizer is attachable to the lower drive unit of a boat motor that includes an anti-cavitation plate above the propeller, and said slot is capable of receiving the anti-cavitation plate. 9. The boat stabilizer of claim 8, wherein said front end of said slot has a width greater than the width of the anti-cavitation plate. 10. The boat stabilizer of claim 1, further comprising: a pair of opposing wings, each of said wings being attached to and extending outwardly and downwardly with respect to said main body and having a leading edge and a trailing edge. 11. The boat stabilizer of claim 10 wherein each of said wings extend downwardly with respect to said main body by a distance in the range from about 0.3125 inches to about 7.785 inches. 12. The boat stabilizer of claim 11, wherein each of said wings extend outwardly with respect to the said main body by a distance in the range of from about 6 to about 9 inches. 13. The boat stabilizer of claim 10 wherein said boat stabilizer has an overall length in the range of from about 13.375 inches to about 20.125 inches. 14. The boat stabilizer of claim 13, wherein said boat stabilizer has an overall length in the range of from about 16.5 inches to about 17.875 inches. 15. The boat stabilizer of claim 10 wherein said boat stabilizer has an overall length in the range of from about 9 inches to about 13.5 inches. 16. The boat stabilizer of claim 15, wherein said boat stabilizer has an overall length in the range of from about 10.5 inches to about 12 inches. 17. The boat stabilizer of claim 1 further comprising at least one decorative element integrally embedded in the top surface of said boat stabilizer. 18. The boat stabilizer of claim 17, wherein said boat stabilizer is molded out of a polymer composition, and said decorative element is integrally embedded in said top surface of said boat stabilizer during the process used to mold the boat stabilizer. 19. The boat stabilizer of claim 18, wherein said decorative element is an overlay or logo. 20. The boat stabilizer of claim 10, wherein said boat stabilizer is integrally formed as a one-piece unit. 21. The boat stabilizer of claim 1 wherein said top surface includes a plurality of longitudinal recessed sections, said longitudinal recessed sections being positioned side by side and extending from said tail toward said nose portion. 22. A boat stabilizer that is attachable to the lower drive unit of a boat motor that includes an anti-cavitation plate positioned above the propeller and a torque tab attached to the bottom of the anti-cavitation plate by a torque tab fastening device that extends through a corresponding opening in the anti-cavitation plate, said boat stabilizer being attachable to the lower drive unit without permanently modifying the structure of the lower drive unit and comprising: a top surface, a bottom surface, and a nose portion, a tail opposing said nose portion, a main body connecting said nose portion and tail together, said main body including a wing section for providing lift to the stern of the boat during operation of the boat, said nose portion including: a front end;a rear end;an opening that is disposed between said front and rear ends, extends through said top and bottom surfaces of said nose portion and can be aligned with the opening in the anti-cavitation plate to receive a torque tab fastening device whereby the nose portion can be attached to the anti-cavitation plate by the torque tab fastening device; anda slot extending through said front end toward said rear end and defining a substantially horizontal receptacle for receiving the anti-cavitation plate, said slot including upper and lower surfaces that can be clamped together to hold said nose portion onto the anti-cavitation plate. 23. The boat stabilizer of claim 22 wherein said opening in said nose portion is elongated and has a longitudinal axis that is substantially parallel to the longitudinal axis of the boat stabilizer. 24. The boat stabilizer of claim 22 wherein said bottom surface of said stabilizer includes a recessed area around said opening in said nose portion for receiving the torque tab of the lower drive unit. 25. The boat stabilizer of claim 22, wherein: said slot has a front end adjacent to the front end of said nose portion, a rear end and opposing side walls extending from said front end to said rear end, said front end of said slot having a width greater than the width of the anti-cavitation plate; andsaid boat stabilizer includes an aperture extending through said top and bottom surfaces of said nose portion and through said upper and lower surfaces of said slot adjacent to said front end and a side wall of said slot for receiving a fastening device for clamping said upper and lower surfaces of said slot together. 26. A boat motor, comprising: an engine;a lower drive unit attached to said engine, said lower drive unit including a propeller, an anti-cavitation plate positioned above the propeller, and a torque tab attached to the bottom surface of the anti-cavitation plate by a torque tab fastening device that extends through a corresponding opening in the anti-cavitation plate; anda boat stabilizer that can be removably attached to said lower drive unit to provide lift to the stem of the boat during operation of the boat without permanently modifying the structure of said lower drive unit, said boat stabilizer comprising a top surface, a bottom surface, a nose portion, a tail opposing said nose portion, and a main body connecting said nose portion and said tail together and including a wing section for providing lift to the stem of the boat during operation of the boat, said nose portion including:a front end, a rear end, an opening that is disposed between said front and rear ends, extends through said top and bottom surfaces of said nose portion and can be aligned with the opening in the anti-cavitation plate to receive a torque tab fastening device whereby the nose portion can be attached to the anti-cavitation plate by the torque tab fastening device, and a slot extending through said front end toward said rear end of said nose portion and defining a substantially horizontal receptacle for receiving the anti-cavitation plate, said slot including an upper surface and a lower surface that can be clamped together to hold said nose portion onto the anti-cavitation plate. 27. The boat motor of claim 26 wherein said opening in said nose portion is elongated and has a longitudinal axis that is substantially parallel to the longitudinal axis of the boat stabilizer. 28. The boat motor of claim 26 wherein said bottom surface of said stabilizer includes a recessed area around said opening in said nose portion for receiving the torque tab of said lower drive unit. 29. The boat motor of claim 26, wherein: said slot of said nose portion has a front end adjacent to the front end of said nose portion, a rear end and opposing side walls extending from said front end of said slot to said rear end of said slot, and said front end of said slot has a width greater than the width of said anti-cavitation plate; andsaid boat stabilizer includes an aperture extending through said top and bottom surfaces of said nose portion and through said upper and lower surfaces of said slot adjacent to said front end and a side wall of said slot for receiving a fastening device for clamping said upper and lower surfaces of said slot together. 30. The boat motor of claim 26 wherein said removable boat stabilizer further comprises a pair of opposing wings, each of said wings being attached to and extending outwardly and downwardly with respect to said main body and having a leading edge and a trailing edge. 31. The boat motor of claim 30 wherein each wing further includes an indentation in the top surface thereof, said indentation being positioned adjacent to the leading edge of the wing tip. 32. The boat motor of claim 30 wherein each of said wings extend downwardly with respect to said main body by a distance in the range from about 0.3125 inches to about 7.785 inches. 33. The boat motor of claim 30, wherein each of said wings extend outwardly with respect to the said main body by a distance in the range of from about 6 to about 9 inches. 34. The boat motor of claim 30 wherein said boat stabilizer has an overall length in the range of from about 13.375 inches to about 20.125 inches. 35. The boat motor of claim 34 wherein said boat stabilizer has an overall length in the range of from about 9 inches to about 13.5 inches. 36. The boat motor of claim 35 wherein said boat stabilizer further comprises at least one decorative element integrally embedded in the top surface of said boat stabilizer. 37. The boat motor of claim 36 wherein said boat stabilizer is molded out of a polymer composition, and said decorative element is integrally embedded in the top surface of said boat stabilizer during the process used to mold the boat stabilizer. 38. The boat motor of claim 37, wherein said decorative element is an overlay or logo. 39. The boat motor of claim 36, wherein said boat stabilizer is integrally formed as a one-piece unit. 40. A method of attaching a boat stabilizer having a nose portion including an opening extending therethrough, a tail and a main body connecting the nose portion and tail together and including a wing section to the anti-cavitation plate of a lower drive unit of a boat motor without permanently modifying the structure of the anti-cavitation plate, said method comprising: locating the retaining bolt that retains the torque tab to the bottom of the anti-cavitation plate, removing the retaining bolt from the corresponding opening in the anti-cavitation plate, and removing the torque tab from the anti-cavitation plate;positioning the nose portion of the boat stabilizer above, below or around the anti-avitation plate such that the opening extending through the nose portion aligns with the opening in the anti-cavitation plate that contained the torque tab retaining bolt;extending a bolt through the opening in the anti-cavitation plate that originally contained the torque tab retaining bolt and through the opening in the nose portion of the boat stabilizer; andattaching a nut to the bolt extending through the opening in the anti-cavitation plate and the opening in the nose portion of the boat stabilizer to fasten the nose portion of the boat stabilizer to the anti-cavitation plate. 41. A boat stabilizer that is attachable to the lower drive unit of a boat motor without permanently modifying the structure of the lower drive unit, said boat stabilizer comprising: a top surface, said top surface of said boat stabilizer includes a recessed section;a bottom surface;a nose portion including: a front end;a rear end; anda slot for receiving a portion of the lower drive unit of the boat motor;a tail opposing said nose portion;a main body connecting said nose portion and said tail together, said main body including: a wing section for providing lift to the stern of the boat during operation of the boat, and means associated with said nose portion for attaching said nose portion to the lower drive unit without permanently modifying the structure of the lower drive unit, said means including said slot;wherein said slot extends through said front end toward said rear end of said nose portion and defines a substantially horizontal receptacle for receiving a portion of the lower drive unit, said slot including: an upper surface;a lower surface that can be clamped together to attach said nose portion to the lower drive unit without permanently modifying the structure of the lower drive unit;wherein said lower drive unit of said boat motor includes an anti-cavitation plate above the propeller, and said slot is capable of receiving the anti-cavitation plate;wherein said slot includes: a front end adjacent to the front end of said nose portion;a rear end; andopposing side walls extending from said front end to said rear end, wherein said front end of said slot has a width greater than the width of the anti-cavitation plate;an aperture extending through said top and bottom surfaces of said nose portion and though said upper and lower surfaces of said slot adjacent to said front end and a side wall of said slot for receiving a fastening device for clamping said upper and lower surfaces of said slot together and attaching said nose portion to the anti-cavitation plate without permanently modifying the structure of the anti-cavitation plate, wherein said recessed section extends around said aperture; anda cover that fits within said recessed section and covers said aperture and any fastening device therein.

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