EP3067269A1 - Inboard/outboard with portable outdrive - Google Patents
Inboard/outboard with portable outdrive Download PDFInfo
- Publication number
- EP3067269A1 EP3067269A1 EP15203279.3A EP15203279A EP3067269A1 EP 3067269 A1 EP3067269 A1 EP 3067269A1 EP 15203279 A EP15203279 A EP 15203279A EP 3067269 A1 EP3067269 A1 EP 3067269A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- drive unit
- unit
- socket
- water craft
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
- B63H20/007—Trolling propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
- B63H20/02—Mounting of propulsion units
Definitions
- the invention relates to an inboard/outboard with portable outdrive.
- U.S. Patent 4,501,562 describes a transom bracket that allows a marine propulsion unit to be retracted when not in use.
- FIG. 1 shows the marine propulsion unit in position for use.
- FIG. 2 shows the motor pivoted out of the water, while
- FIG. 5 shows the motor slid up out of the water.
- the transom bracket allows a conventional heavy motor to be translated through several positions while remaining on the transom at all times.
- U.S. Patent 5,816,870 describes an electric drive system for launches and sailboats. It does not specify how the drive system is mounted or if it is removable.
- U.S. Patent 8,425,268 describes an outboard motor that is modularly connected to a battery power source. However, the motor is part of the outboard module, making it heavy and difficult to remove.
- outdrive propulsion unit lightweight so it can be portably carried by one person for stowage on or off the boat.
- the key aspects of the invention relate to a portable drive system including a hand operated coupling system mounted on a boat transom.
- the invention relates to an apparatus for propelling a water craft having an outboard propulsion assembly with removable configuration that can be mounted and demounted by hand without tools and a portable size so that it can be carried by an individual.
- the removable configuration includes a quick-connect and quick-disconnect coupling.
- the coupling comprises a socket on the water craft and a mating plug on the outboard propulsion assembly.
- the plug and socket is the only connection between the water craft and the outboard propulsion unit.
- the mating plug is mounted to the water craft by plugging into the socket with a sliding motion in the axial direction.
- the coupling includes a simple hand-operated latching device.
- the apparatus further includes a drive unit attached to the coupling.
- the drive unit includes a battery and motor combined with the coupling in a self-contained package.
- the drive unit is inboard of the coupling.
- the drive unit is selected from the group consisting of a gas powered drive unit, a diesel powered drive unit and a battery powered drive unit.
- a tiller pivots the outboard propulsion assembly to selectively vary the direction of thrust.
- a steering wheel rotates the outboard propulsion assembly to selectively vary the direction of thrust.
- a bracket is mounted on the water craft transom, and means for pivoting the socket with respect to the bracket so that the propulsion unit can be raised and lowered.
- the invention relates to a configuration where only a portable propulsion unit is located outboard of the transom.
- This outboard assembly is lightweight and can easily be unplugged and removed by hand when not in use.
- the heavy battery and motor are located inboard of the transom and can be permanently or temporarily mounted.
- a coupling provides an easy way to connect and remove the removable propulsion unit by hand from the internal power source.
- FIG. 1 shows a portable propulsion assembly 60 having as primary features an input shaft 64 that drives a thrusting device, shown as a propeller 74 for illustrative purposes.
- Input shaft may be operatively coupled to propeller my any known drive means or linkages.
- input shaft may extend outwardly and drive belts that extend downwardly to a propeller shaft.
- the drive means are contained within a housing 62 having a coupling member 62a adjacent input shaft 64.
- Coupling member 62a is slid in a axial direction 64a to install the propulsion unit for use.
- Coupling member 62a is then slid in the opposite axial direction 64b to remove the propulsion unit to make it portable.
- a brace 62b may be provided to support the housing.
- the invention provides a coupling unit 30 mounted on, and extending through, a boat transom 40.
- a battery 20 powers a motor 22 coupled to a drive unit 24.
- the drive unit 24 may be a shaft directly driven by a power source or indirectly coupled via a transmission source.
- FIGs. 2 and 3 show a motor coupling attached to the drive unit on the inboard side of coupling 30.
- propulsion assembly is attached to coupling unit 30, where the propeller can be rotated by motor 22 and drive unit 24.
- propulsion assembly 60 can be disconnected from coupling unit 30, as shown in FIG. 3 and stowed.
- the removal of the propulsion assembly is achieved by sliding it in axial direction 64b by hand.
- Removing propulsion unit eliminates the drag and unattractiveness associated with propulsion units on sailboats.
- the propulsion unit is designed with a low weight so it can be pulled on board by one person. The propulsion unit can then be carried to any suitable storage location.
- Coupling member 62a has a plug that fits into a mating socket provided on coupling unit 30.
- a simple hand operated latching device is provided to secure the plug in the socket. This may take the form of a clip or spring-loaded latch on either the plug or socket that can be unclipped by manual manipulation.
- the plug allows housing to remain stationary, while input shaft 64 drives propeller 74 internally.
- FIG. 4 illustrates an alternate embodiment in the form of a steerable propulsion assembly 60s.
- a tiller 80 is pivotally mounted to effect angular rotation of the downwardly extending housing section thereby altering the direction of propeller 74.
- FIGs. 5 and 6 show how the steerable propulsion assembly 60s plugs into and out of the coupling unit 30 in the same manner as the propulsion assembly of FIGs. 1-3 .
- motor 22 is mounted to the bottom deck of the boat. Either motor mount can be used with either propulsion assembly.
- FIG. 7 illustrates an alternate embodiment in the form of a rotating propulsion assembly 60r.
- a steering wheel 90 is mounted to effect angular rotation of the downwardly extending housing section thereby altering the direction of propeller 74.
- FIGs. 8 and 9 show how the rotating propulsion assembly 60r plugs into and out of the coupling unit 30 in the same manner as the propulsion assembly of FIGs. 1-3 .
- battery 20, motor 22 and drive unit 24 are combined in a power pack. Either motor configuration can be used with either propulsion assembly.
- tiltable coupling unit 30t In prior embodiments, the coupling unit is fixedly mounted on the transom. In this embodiment, a tiltable coupling unit 30t is pivotally mounted on the transom 40. More specifically, tiltable coupling unit 30t includes a bracket 30b mounted on transom 40 having a catch, and a pivoting section 30p having a striker 30s. Various other mechanical means can be employed to latch the tiltable coupling unit in place.
- a motor 22 is mounted directly on pivoting section 30p, which provides a counter weight. From the operational configuration of FIG.11 , the catch can be released and motor 22 will pivot drive unit 24 downwardly, therby pulling propulsion assembly 60s upwardly, to the configuration shown in FIG. 10 . When it is desired to drop the propulsion unit into the water, the motor is lifted up by hand pivoting coupling unit upward 30u and propeller downward in direction 30d. When the coupling unit is full pivoted, the striker 30s engages in the catch, in the configuration shown in FIG. 11 . While steerable propulsion unit 60s is shown, either propulsion unit 60 or rotating propulsion unit 60r can be used interchangeably with the tiltable coupling unit 30t.
- the propulsion unit includes a plug that can be axially plugged and removed from a socket located within tiltable coupling unit 30t.
- the plug and socket concept is present in all embodiments, whether straight drive, steerable drive or rotating drive.
- the socket may be fixed or pivotable.
- the motor may be mounted on a boat deck, on the coupling unit, or other suitable location.
- propulsion assembly can take many varied forms, and is not limited to the specific embodiment shown and described. While a battery and electric motor are shown, it should be understood that other power sources can be employed within the scope of the invention. It is therefore to be understood that changes may be made in the particular embodiments of the invention disclosed which are within the scope and spirit of the invention as outlined by the appended claims. Having thus described the invention with the details and particularity required by the patent laws, what is claimed and desired protected by Letters Patent is set forth in the appended claims
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
An apparatus for propelling a water craft including an outboard propulsion assembly having a removable configuration that can be mounted and demounted by hand without tools and a portable size so that it can be carried by an individual.
Description
- The invention relates to an inboard/outboard with portable outdrive.
- In certain instances it is desirable to equip small watercraft with a propulsion system. For example, it would be convenient to deploy a powered drive on a sailboat if there is no wind, or in tight quarters. However, the presence of such propulsion systems is undesirable and unattractive when the boat is under sail.
-
U.S. Patent 4,501,562 describes a transom bracket that allows a marine propulsion unit to be retracted when not in use. For example,FIG. 1 shows the marine propulsion unit in position for use.FIG. 2 shows the motor pivoted out of the water, whileFIG. 5 shows the motor slid up out of the water. The transom bracket allows a conventional heavy motor to be translated through several positions while remaining on the transom at all times. -
U.S. Patent 5,816,870 describes an electric drive system for launches and sailboats. It does not specify how the drive system is mounted or if it is removable.U.S. Patent 8,425,268 describes an outboard motor that is modularly connected to a battery power source. However, the motor is part of the outboard module, making it heavy and difficult to remove. - Accordingly, it would be desirable to provide a portable, lightweight outdrive that can be mounted and demounted by hand without the use of tools.
- It is an object of the present invention to provide an outdrive propulsion unit that can be attached and removed from a boat-mounted coupling by hand without the use of tools.
- It is a further object to make the outdrive propulsion unit lightweight so it can be portably carried by one person for stowage on or off the boat.
- The key aspects of the invention relate to a portable drive system including a hand operated coupling system mounted on a boat transom.
- It is a further object to provide steering options on the removable outdrive.
- More particularly, the invention relates to an apparatus for propelling a water craft having an outboard propulsion assembly with removable configuration that can be mounted and demounted by hand without tools and a portable size so that it can be carried by an individual.
- The removable configuration includes a quick-connect and quick-disconnect coupling. The coupling comprises a socket on the water craft and a mating plug on the outboard propulsion assembly. The plug and socket is the only connection between the water craft and the outboard propulsion unit. The mating plug is mounted to the water craft by plugging into the socket with a sliding motion in the axial direction. The coupling includes a simple hand-operated latching device.
The apparatus further includes a drive unit attached to the coupling. The drive unit includes a battery and motor combined with the coupling in a self-contained package. The drive unit is inboard of the coupling. The drive unit is selected from the group consisting of a gas powered drive unit, a diesel powered drive unit and a battery powered drive unit. A tiller pivots the outboard propulsion assembly to selectively vary the direction of thrust. A steering wheel rotates the outboard propulsion assembly to selectively vary the direction of thrust. A bracket is mounted on the water craft transom, and means for pivoting the socket with respect to the bracket so that the propulsion unit can be raised and lowered. - The advantages, nature, and various additional features of the invention will appear more fully upon consideration of the illustrative embodiments now to be described in detail in connection with accompanying drawings. In the drawings wherein like reference numerals denote similar components throughout the views:
-
FIG. 1 is a right side elevational view of a straight removable drive. -
FIG. 2 is a perspective view of a boat hull with partial cut-away showing an embodiment of a removable drive system connected to the transom-mounted coupling. -
FIG. 3 is a perspective view of a boat hull with partial cut-away showing the removable, and now portable, drive system disconnected from the transom-mounted coupling. -
FIG. 4 is a right side elevational view of a steerable drive. -
FIG. 5 is a perspective view of a boat hull with partial cut-away showing an embodiment of a steerable drive system connected to the transom-mounted coupling. -
FIG. 6 is a perspective view of a boat hull with partial cut-away showing the steerable, and now portable, drive system disconnected from the transom-mounted coupling. -
FIG. 7 is a right side elevational view of a rotating drive. -
FIG. 8 is a perspective view of a boat hull with partial cut-away showing an embodiment of a rotating drive system connected to the transom-mounted coupling. -
FIG. 9 is a perspective view of a boat hull with partial cut-away showing the rotating, and now portable, drive system disconnected from the transom-mounted coupling. -
FIG. 10 is a perspective view of a boat transom section with a tiltable coupling shown in the tilted up position. -
FIG. 11 is a perspective view of a boat transom section with a tiltable coupling shown in the down and locked position. - The invention relates to a configuration where only a portable propulsion unit is located outboard of the transom. This outboard assembly is lightweight and can easily be unplugged and removed by hand when not in use. The heavy battery and motor are located inboard of the transom and can be permanently or temporarily mounted. A coupling provides an easy way to connect and remove the removable propulsion unit by hand from the internal power source.
-
FIG. 1 shows aportable propulsion assembly 60 having as primary features aninput shaft 64 that drives a thrusting device, shown as apropeller 74 for illustrative purposes. Input shaft may be operatively coupled to propeller my any known drive means or linkages. For example input shaft may extend outwardly and drive belts that extend downwardly to a propeller shaft. The drive means are contained within ahousing 62 having acoupling member 62aadjacent input shaft 64.Coupling member 62a is slid in aaxial direction 64a to install the propulsion unit for use.Coupling member 62a is then slid in the oppositeaxial direction 64b to remove the propulsion unit to make it portable. Abrace 62b may be provided to support the housing. - As can be seen in
FIGs. 2 and 3 , the invention provides acoupling unit 30 mounted on, and extending through, aboat transom 40. Inboard of the transom, abattery 20 powers amotor 22 coupled to adrive unit 24. Thedrive unit 24 may be a shaft directly driven by a power source or indirectly coupled via a transmission source. In this instance,FIGs. 2 and 3 show a motor coupling attached to the drive unit on the inboard side ofcoupling 30. - In
FIG. 2 the propulsion assembly is attached tocoupling unit 30, where the propeller can be rotated bymotor 22 and driveunit 24. When the boat is under sail,propulsion assembly 60 can be disconnected fromcoupling unit 30, as shown inFIG. 3 and stowed. The removal of the propulsion assembly is achieved by sliding it inaxial direction 64b by hand. Removing propulsion unit eliminates the drag and unattractiveness associated with propulsion units on sailboats. The propulsion unit is designed with a low weight so it can be pulled on board by one person. The propulsion unit can then be carried to any suitable storage location. - Coupling
member 62a has a plug that fits into a mating socket provided oncoupling unit 30. To secure the plug in the socket, a simple hand operated latching device is provided. This may take the form of a clip or spring-loaded latch on either the plug or socket that can be unclipped by manual manipulation. The plug allows housing to remain stationary, whileinput shaft 64drives propeller 74 internally. -
FIG. 4 illustrates an alternate embodiment in the form of asteerable propulsion assembly 60s. Atiller 80 is pivotally mounted to effect angular rotation of the downwardly extending housing section thereby altering the direction ofpropeller 74.FIGs. 5 and 6 show how thesteerable propulsion assembly 60s plugs into and out of thecoupling unit 30 in the same manner as the propulsion assembly ofFIGs. 1-3 . In this embodiment,motor 22 is mounted to the bottom deck of the boat. Either motor mount can be used with either propulsion assembly. -
FIG. 7 illustrates an alternate embodiment in the form of arotating propulsion assembly 60r. Asteering wheel 90 is mounted to effect angular rotation of the downwardly extending housing section thereby altering the direction ofpropeller 74.FIGs. 8 and 9 show how the rotatingpropulsion assembly 60r plugs into and out of thecoupling unit 30 in the same manner as the propulsion assembly ofFIGs. 1-3 . In this embodiment,battery 20,motor 22 and driveunit 24 are combined in a power pack. Either motor configuration can be used with either propulsion assembly. - Referring now to
FIGs. 10 and11 , there is shown atiltable coupling unit 30t. In prior embodiments, the coupling unit is fixedly mounted on the transom. In this embodiment, atiltable coupling unit 30t is pivotally mounted on thetransom 40. More specifically,tiltable coupling unit 30t includes abracket 30b mounted ontransom 40 having a catch, and apivoting section 30p having astriker 30s. Various other mechanical means can be employed to latch the tiltable coupling unit in place. - A
motor 22 is mounted directly on pivotingsection 30p, which provides a counter weight. From the operational configuration ofFIG.11 , the catch can be released andmotor 22 will pivot driveunit 24 downwardly, therby pullingpropulsion assembly 60s upwardly, to the configuration shown inFIG. 10 . When it is desired to drop the propulsion unit into the water, the motor is lifted up by hand pivoting coupling unit upward 30u and propeller downward indirection 30d. When the coupling unit is full pivoted, thestriker 30s engages in the catch, in the configuration shown inFIG. 11 . Whilesteerable propulsion unit 60s is shown, eitherpropulsion unit 60 orrotating propulsion unit 60r can be used interchangeably with thetiltable coupling unit 30t. - The propulsion unit includes a plug that can be axially plugged and removed from a socket located within
tiltable coupling unit 30t. In other words, the plug and socket concept is present in all embodiments, whether straight drive, steerable drive or rotating drive. The socket may be fixed or pivotable. The motor may be mounted on a boat deck, on the coupling unit, or other suitable location. - Having described preferred embodiments for (which are intended to be illustrative and not limiting), it is noted that modifications and variations can be made by persons skilled in the art in light of the above teachings. It should be understood that propulsion assembly can take many varied forms, and is not limited to the specific embodiment shown and described. While a battery and electric motor are shown, it should be understood that other power sources can be employed within the scope of the invention. It is therefore to be understood that changes may be made in the particular embodiments of the invention disclosed which are within the scope and spirit of the invention as outlined by the appended claims. Having thus described the invention with the details and particularity required by the patent laws, what is claimed and desired protected by Letters Patent is set forth in the appended claims
Claims (13)
- An apparatus for propelling a water craft comprising:an outboard propulsion assembly having a removable configuration that can be mounted and demounted by hand without tools and a portable size so that it can be carried by an individual.
- The apparatus of claim 1, wherein said removable configuration includes a quick-connect and quick-disconnect coupling.
- The apparatus of claim 2, wherein said coupling comprises a socket on the water craft and a mating plug on said outboard propulsion assembly.
- The apparatus of claim 3, wherein the plug and socket is the only connection between the water craft and said outboard propulsion unit.
- The apparatus of claim 3, wherein said mating plug is mounted to the water craft by plugging into said socket with a sliding motion in the axial direction.
- The apparatus of claim 5, wherein said coupling includes a simple hand-operated latching device.
- The apparatus of claim 2, further comprising a drive unit attached to the coupling.
- The apparatus of claim 7, wherein said drive unit includes a battery and motor combined with said coupling in a self-contained package.
- The apparatus of claim 7, wherein said drive unit is inboard of the coupling.
- The apparatus of claim 7, wherein said drive unit is selected from the group consisting of a gas powered drive unit, a diesel powered drive unit and a battery powered drive unit.
- The apparatus of claim 1, further comprising a tiller to pivot said outboard propulsion assembly and selectively vary the direction of thrust.
- The apparatus of claim 1, further comprising a steering wheel to rotate said outboard propulsion assembly and selectively vary the direction of thrust.
- The apparatus of claim 3, further including a bracket mounted on the water craft transom, and means for pivoting said socket with respect to said bracket so that said propulsion unit can be raised and lowered.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/643,019 US9623946B2 (en) | 2014-10-07 | 2015-03-10 | Inboard/outboard with portable outdrive |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3067269A1 true EP3067269A1 (en) | 2016-09-14 |
Family
ID=55066486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15203279.3A Withdrawn EP3067269A1 (en) | 2015-03-10 | 2015-12-31 | Inboard/outboard with portable outdrive |
Country Status (1)
Country | Link |
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EP (1) | EP3067269A1 (en) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US638542A (en) * | 1899-06-07 | 1899-12-05 | William w wood | Portable boat-motor. |
US650558A (en) * | 1899-05-18 | 1900-05-29 | Submerged Electric Motor Company | Propelling mechanism for boats. |
US827202A (en) * | 1905-12-19 | 1906-07-31 | Henry Bachman | Means for propelling and steering or guiding boats. |
US1789415A (en) * | 1929-11-08 | 1931-01-20 | Phillips Price Eugene | Outboard motor for boats |
US4501562A (en) | 1980-12-01 | 1985-02-26 | Outboard Marine Corporation | Marine propulsion device for sailboats |
US4676756A (en) * | 1984-08-22 | 1987-06-30 | Roland Rodrigue | Boat and propulsion system including a transom platform |
US5485981A (en) * | 1994-08-02 | 1996-01-23 | Lindahl; Gregory J. | Motor mount assembly for float tube |
US5816870A (en) | 1997-02-28 | 1998-10-06 | Rubin; Mathew | Electric drive system |
US6394408B1 (en) * | 1996-08-13 | 2002-05-28 | Brunswick Corporation | Trolling motor column mounting system |
US7510450B1 (en) * | 2007-11-19 | 2009-03-31 | Brunswick Corporation | Mounting system for a transom mounted trolling motor |
US8425268B2 (en) | 2010-03-31 | 2013-04-23 | Suzuki Motor Corporation | Electric outboard motor |
US20140178218A1 (en) * | 2012-12-21 | 2014-06-26 | Gene L. Keough | Power paddle |
-
2015
- 2015-12-31 EP EP15203279.3A patent/EP3067269A1/en not_active Withdrawn
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US650558A (en) * | 1899-05-18 | 1900-05-29 | Submerged Electric Motor Company | Propelling mechanism for boats. |
US638542A (en) * | 1899-06-07 | 1899-12-05 | William w wood | Portable boat-motor. |
US827202A (en) * | 1905-12-19 | 1906-07-31 | Henry Bachman | Means for propelling and steering or guiding boats. |
US1789415A (en) * | 1929-11-08 | 1931-01-20 | Phillips Price Eugene | Outboard motor for boats |
US4501562A (en) | 1980-12-01 | 1985-02-26 | Outboard Marine Corporation | Marine propulsion device for sailboats |
US4676756A (en) * | 1984-08-22 | 1987-06-30 | Roland Rodrigue | Boat and propulsion system including a transom platform |
US5485981A (en) * | 1994-08-02 | 1996-01-23 | Lindahl; Gregory J. | Motor mount assembly for float tube |
US6394408B1 (en) * | 1996-08-13 | 2002-05-28 | Brunswick Corporation | Trolling motor column mounting system |
US5816870A (en) | 1997-02-28 | 1998-10-06 | Rubin; Mathew | Electric drive system |
US7510450B1 (en) * | 2007-11-19 | 2009-03-31 | Brunswick Corporation | Mounting system for a transom mounted trolling motor |
US8425268B2 (en) | 2010-03-31 | 2013-04-23 | Suzuki Motor Corporation | Electric outboard motor |
US20140178218A1 (en) * | 2012-12-21 | 2014-06-26 | Gene L. Keough | Power paddle |
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