EP3268272A1 - Antriebsvorrichtung für ein surfboard - Google Patents
Antriebsvorrichtung für ein surfboardInfo
- Publication number
- EP3268272A1 EP3268272A1 EP16723011.9A EP16723011A EP3268272A1 EP 3268272 A1 EP3268272 A1 EP 3268272A1 EP 16723011 A EP16723011 A EP 16723011A EP 3268272 A1 EP3268272 A1 EP 3268272A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- surfboard
- fin
- drive rod
- fins
- rod
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B32/00—Water sports boards; Accessories therefor
- B63B32/60—Board appendages, e.g. fins, hydrofoils or centre boards
- B63B32/64—Adjustable, e.g. by adding sections, by removing sections or by changing orientation or profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/30—Propulsive elements directly acting on water of non-rotary type
- B63H1/36—Propulsive elements directly acting on water of non-rotary type swinging sideways, e.g. fishtail type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H16/00—Marine propulsion by muscle power
- B63H16/08—Other apparatus for converting muscle power into propulsive effort
- B63H16/12—Other apparatus for converting muscle power into propulsive effort using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H16/00—Marine propulsion by muscle power
- B63H16/08—Other apparatus for converting muscle power into propulsive effort
- B63H16/18—Other apparatus for converting muscle power into propulsive effort using sliding or pivoting handle or pedal, i.e. the motive force being transmitted to a propelling means by means of a lever operated by the hand or foot of the occupant
Definitions
- Surfboards have long been known in the art.
- a well-known surfboard (DE 202011108482) usually consists of thermoplastic material or composite, (glass and carbon) or is made of wood, for example bamboo or balsa wood.
- On the underside of the surfboards are fixed and immovable stabilizers, called “Finns" in technical usage, the number depending on the type of board can be variable.
- the invention in the document (US8043134) describes a device for driving a surfboard.
- the user of the surfboard stands on the surfboard and moves by the up and down movement of a lever two attached to the rear of the board fins.
- the fins move against immediately to stabilize the board.
- the problem is that the user is always in the same position on the surfboard and controllability is hardly given.
- An object of the invention is therefore to provide a drive device which achieves an improvement in the controllability of the surfboard.
- At least one flexible fin is additionally arranged on the underside of the surfboard.
- Fig. 1 is a schematic representation of a cross section through the subject invention
- Fig. 1 is a schematic representation of a cross section through the subject invention
- Figure 2 is a schematic representation of a cross section through the subject invention in different positions of movement.
- Fig. 5 is a schematic representation of a fin
- Fig. 6 is a schematic representation of an alternative fin with adjustable resistance
- Fig. 7 is a schematic representation of a fin package especially for shallow
- Fig. 8 is a schematic representation of an alternative fin with upper
- Fig. 11 is a schematic representation of a cross section through a
- Fig. 12 is a schematic representation of a cutaway top view of a
- Fig. 1 is a schematic representation of a drive device (1) according to the invention.
- the drive device comprises a drive rod (1) rotatably arranged via a rolling or slide bearing (2) which is fixed in or on the upper side of the surfboard by means of a mounting plate (3).
- the drive rod (1) is connected via a ball joint (4) with at least one adjustable connecting rod (5).
- the drive rod (1) can be folded in and can be adjusted in height so that users of different sizes can drive. For transport, the drive rod (1) can be removed.
- the connecting rod (5) is connected via a ball joint (4 ') with another adjustable Connecting rod (5 ') connected.
- At least at one end of the connecting rod (5 ') may be mounted a ball joint (4 ") connecting the connecting rod (5') to at least one adjustable lever arm (6) .
- the lever arm (6) is defined by a rod (7).
- the swivel rod (9) is fixed on the side of the lever arm (6) lying opposite the connecting rod (5 '), in each case being fixed to the top and bottom sides of the surfboard by a respective rolling or sliding bearing (8)
- a flexible fin (11) is mounted in the direction of the surfboard bow
- the flexible fin (11) is rigidly connected to the surfboard via a rod (12) It is particularly advantageous to mount a plurality of fins (10, 10 ') movably in succession on the underside of the board, thereby stabilizing the board and increasing the propulsion the user.
- the drive rod (1) moves forward (right) (see FIG. 2), the connection rods (5, 5 '), the ball joints (4, 4', 4 ") and the lever arms (6, 6 ') a corresponding deflection (right) of the pivot rods (9, 9') and associated movement of the fins (10,10 ') .
- the surfboard is thereby pushed forward in the water.
- the flexible fin (11) experience by the forward movement a small deflection, which counteracts the respective sideways movement, so that the surfboard stabilizes and generates a small forward movement.
- the drive rod (1) can be adjustable. 2) slidably mounted on the mounting plate 3.
- the rolling or sliding bearing (2) stabilizes the drive rod (1) laterally and allows only a back and forth movement.This is due to the small arrow for forward (re) and return movement (Ii.) Symbolized in Fig. 2. If the user makes short movements in front of the zero point of the drive rod (1) as shown at (right), the board moves to the right. Does he make these short moves behind, so at (ii) the board moves to the left. The respective direction is dependent on the arrangement of the connecting rods (5, 5 ') to the lever arm (6,6'). Moving the drive rod (1) back and forth around the zero point causes the board to move forward. In Fig. 3, the entire boom is shown schematically in a top view.
- FIG. 4 An alternative embodiment of the subject invention is shown in Fig. 4.
- This alternative shows a linkage assembly with four fins (10, 10 '').
- the subject invention also encompasses other arrangements of the linkage, with suitable rods and levers to achieve the desired effect would also be conceivable a hydraulic or cable-like arrangement.
- An alternative feature has two fins (10 *, 10 ") one in front of and behind the drive rod (1). This arrangement allows the user to control the board even better.
- the user of the surfboard can by movement of the drive rod (1) move the board in motion and control as described.
- the drive rod contributes to the safety of the user as he can hold on to avoid falling off the surfboard.
- the fin (10) can be rigidly attached to the pivot rod (9).
- an arrangement is particularly advantageous, as shown in Figure 5, in which the fin (10) is mounted flexibly on the pivot rod (9). This flexibility can be achieved by a spring or the like. As a result, the fin (10) adapts better to the water and the forward movement is additionally supported by the spring force.
- FIG. 10 Another alternative flexible fin (10) with adjustable resistance is shown in FIG.
- the spring (13) is tensioned, the fin (10) becomes stiffer.
- the stiffness is changed so that the fin can be used more efficiently at higher speeds. It is particularly advantageous if the resistance of the drive rod (1) can be adjusted.
- Suitable cable assemblies are conceivable.
- fin packs as in FIG. 7 are also conceivable. This special type is also particularly suitable for shallow waters.
- the alternative fin (10) in Fig. 8 has an upper plateau (14). This plateau (14) prevents damage to the underside of the surfboard.
- the fin (10) according to the invention has an upper (14) and lower plateau (14 ').
- the lower plateau (14 ') prevents sinking of the surfboard into the subsurface of the water.
- the alternative fin pack (10) of Figure 10 is also equipped with an upper plateau (14).
- FIG. 1 1 and 12 An alternative of the subject invention is shown in Figures 1 1 and 12.
- the pivot rods (9, 9 ') are extended over the lever arm (6, 6').
- a lever arm (6, 6 ') moves 2 fins (10) or fin packs.
- This arrangement stabilizes the surfboard during the movement.
- an increase in the number of fins (10) also allows a reduction of the fins to achieve the same propulsion.
- the surfboard can get a smaller cross section and can be moved in shallower waters.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA126/2015A AT517084B1 (de) | 2015-03-09 | 2015-03-09 | Antriebsvorrichtung für ein Surfboard |
AT4752015A AT517517B1 (de) | 2015-07-20 | 2015-07-20 | Antriebsvorrichtung für ein Surfboard |
PCT/AT2016/000023 WO2016141394A1 (de) | 2015-03-09 | 2016-03-02 | Antriebsvorrichtung für ein surfboard |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3268272A1 true EP3268272A1 (de) | 2018-01-17 |
Family
ID=56008421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16723011.9A Withdrawn EP3268272A1 (de) | 2015-03-09 | 2016-03-02 | Antriebsvorrichtung für ein surfboard |
Country Status (3)
Country | Link |
---|---|
US (1) | US20180099730A1 (de) |
EP (1) | EP3268272A1 (de) |
WO (1) | WO2016141394A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10597118B2 (en) | 2016-09-12 | 2020-03-24 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propeller system |
TWI710500B (zh) * | 2019-05-14 | 2020-11-21 | 蔡政展 | 水面及水中仿生推進裝置 |
US11897583B2 (en) | 2020-04-22 | 2024-02-13 | Kai Concepts, LLC | Watercraft device with hydrofoil and electric propulsion system |
US10946939B1 (en) | 2020-04-22 | 2021-03-16 | Kai Concepts, LLC | Watercraft having a waterproof container and a waterproof electrical connector |
AU2021269309B2 (en) * | 2020-09-28 | 2024-02-29 | Philip James Todd | A watercraft manoeuvring device and a surface watercraft including the manoeuvring device |
US11485457B1 (en) | 2021-06-14 | 2022-11-01 | Kai Concepts, LLC | Hydrojet propulsion system |
US11878775B2 (en) | 2021-07-13 | 2024-01-23 | Kai Concepts, LLC | Leash system and methods of use |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996034A (en) * | 1958-04-17 | 1961-08-15 | Jonsson Karl-Erik Arnold | Device for propelling and stabilizing of boats |
US3640240A (en) * | 1969-03-07 | 1972-02-08 | Erich Stein | Fin-propelled watercraft |
US3845733A (en) * | 1973-01-02 | 1974-11-05 | R Jackman | Boat propulsion means |
US4464126A (en) | 1983-03-07 | 1984-08-07 | Leo Maisonneuve | Finboard exercising apparatus |
DE3431660A1 (de) * | 1984-08-29 | 1986-03-13 | Langlet, Weber Inh. Willi K. Weber Industriebedarf, 5276 Wiehl | Wasserfahrzeug |
US6579134B1 (en) * | 2002-01-15 | 2003-06-17 | Jon Fiebing | User-propellable sport board device |
US8043134B2 (en) | 2009-04-07 | 2011-10-25 | Drew Allen Krah | Human powered watercraft |
DE202011108482U1 (de) | 2011-11-29 | 2012-01-16 | Richard Pieringer | Lenk- und Steuersystem |
-
2016
- 2016-03-02 EP EP16723011.9A patent/EP3268272A1/de not_active Withdrawn
- 2016-03-02 US US15/550,797 patent/US20180099730A1/en not_active Abandoned
- 2016-03-02 WO PCT/AT2016/000023 patent/WO2016141394A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20180099730A1 (en) | 2018-04-12 |
WO2016141394A1 (de) | 2016-09-15 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
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DAV | Request for validation of the european patent (deleted) | ||
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20211001 |