WO2001079058A9 - Engin nautique propulse par un dispositif bipalme mu par un pedalier - Google Patents
Engin nautique propulse par un dispositif bipalme mu par un pedalierInfo
- Publication number
- WO2001079058A9 WO2001079058A9 PCT/FR2001/001144 FR0101144W WO0179058A9 WO 2001079058 A9 WO2001079058 A9 WO 2001079058A9 FR 0101144 W FR0101144 W FR 0101144W WO 0179058 A9 WO0179058 A9 WO 0179058A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aquatic
- tubes
- crankset
- rods
- fixed
- Prior art date
Links
Classifications
-
- 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
- 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
Definitions
- the present invention relates to a rigid or inflatable nautical vehicle powered by a two-blade device.
- This device is actuated by a pedal with hollow branches and discoidal shape totally immersed, the axis of which is connected to a mechanism which drives a regular and continuous wave movement with two rods each sliding in a tube supporting aquatic fins which effect, by transmission of the aforementioned movement, a beat, in the same vertical plane, in parallel and in opposite directions.
- Nautical machines of this type traditionally include a floating support, similar to a pole, on which the user is strapped which can, in the event of a sudden overturning, present a danger to said user.
- the protruding parts of these devices may also present a danger, in a turbulent aquatic environment, to swimmers in the vicinity.
- the corresponding propulsion systems of the same type comprising a pedal and a fully immersed mono or bipal device are produced, either on the principle of a scull driven by a pedal with rectilinear action, or by aquatic fins fixed directly on the pedals proper .
- the effort required to produce a movement of the pedals back and forth is significant; in the second case, the propelling effect of the fins is lessened due to an elliptical type of beat and not in an opposite direction, carried out in the same vertical plane, like that produced by man and recognized as the best performer.
- the nautical device overcomes these drawbacks. It comprises a rigid or inflatable float, all or part associated with a two-blade propulsion system actuated by a crankset with branches of discoid shape and whose pedals also include adequate flexible protection.
- the float with rounded shapes, is hollowed out at its rear part to allow the user to take a seat astride.
- the parts adjoining this recess have a slight elevation towards the front, more accentuated elevation towards the rear acting as a backrest, thus facilitating an inflected body position in the direction of travel while effectively maintaining the lower part of the back without particular fixed attachment; the user, in the bent forward position, can grab two handles attached to each side of the float to better ensure his balance.
- the steering is ensured by submerging the hand on the desired side, vertical palm.
- the upper rear part contributes to buoyancy; a fixed or removable fairing, housing the propulsion system, open at the rear to allow the flapping of the fins, constitutes the lower rear part of the nautical craft.
- the hollow branches of the disc-shaped crankset also contribute to buoyancy; they can also be used as wheels for moving the machine ashore, which is an additional advantage. In this case, the machine is pulled by the handle, located at the bow, intended for all possible attachment in the event of towing in an aquatic environment.
- the two-blade device comprises, according to a first characteristic, a pedal with hollow branches of discoidal shape, with removable pedals, and connected by its axis, comprising two toothed wheels, with two second wheels also toothed with a larger diameter on each of which is fixed laterally, in a diametrically opposite position, a lug; two rods pivot on the one hand on these lugs and slide on the other hand inside two tubes connected to the chassis of the device by pivots; the aquatic fins are attached to the end of these tubes.
- the four toothed wheels mentioned above constitute a reduction box.
- the mechanism retained makes it possible to reduce the effort and prints via the sliding rods, describing at the level of the lugs and in opposite a complete rotation, a alternating movements, also in opposite directions, of the two tubes on which the aquatic fins are fixed; this flapping is limited to a simple rocking movement around pivots due to the neutralization of the thrust movements and the back and forth pulling of the rods by sliding these rods in the corresponding tubes; the fins therefore carry out a regular and opposite flapping in the same vertical plane.
- the four toothed wheels can be replaced by a crank-rod, taking the place of a crankset axis, on which pivot the two sliding rods hollowed out upstream for this purpose.
- This embodiment brings the same result as the previous one, with the exception of being unable to benefit, for the user, from a reduction in the effort deployed.
- FIG. 3 shows a cross section of the rear part of the nautical craft showing particularly the positioning of the bottom bracket as well as its variant in the form of connecting rod-crank.
- - Figure 4 shows a branch of the pedal and its locking system.
- - Figure 5 shows a side view of the nautical craft.
- the propulsion device comprises a pedal with hollow branches and of discoidal shape (1), with removable pedals, the protection of which in flexible material can constitute the convex and circular head of a pressure screw intended to making the two parts (2) integral, the axis of which supports two toothed wheels nant with two gears of larger diameter (3) fixed to the chassis on one side (9) to allow, in the central part, the free rotary movement of the rods described below.
- Two lugs are placed laterally on the aforementioned wheels in a diametrically opposite position (4); on these pins pivot the hollowed heads of two rods (5) sliding in two tubes (6) themselves fixed to the frame by pivots (7) in order to obtain a movement. rocking ment.
- the aquatic fins are fixed to the end of these tubes (8)
- the toothed wheels (3) constitute a reduction box.
- the diameter of these toothed wheels as well as the length of the rods (5) are such that the rotation of said wheels driven by the crankset prints to the tubes (6), via the rods (5) and their friction and pressure on the pa - inner kings of these tubes (6), a rocking movement, comparable to a beat, reflected in the aquatic fins which are integral therewith (8).
- This parallel and opposite direction beat takes place in the same vertical plane, for the reasons explained above, giving the fins (8) their full effectiveness.
- the axis of the toothed wheels supporting the sliding rods (9) and the pivots supporting the tubes (7) must, in order to obtain the best yield from the fins, be situated in a horizontal plane.
- the two axes of the reduction box (9; 10) may lie in different planes compatible with normal operation.
- the fairing housing the propulsion device has at the rear an opening (11) so that the aquatic fins can beat freely.
- the reduction box (3) is replaced by a connecting rod-crank (3a) serving as an axle for the crankset; the two sliding rods (5) pivoting around the two opposite horizontal parts provided for this purpose can perform, upstream, a complete rotation during the actuation of the crankset by imparting to the two tubes (6) a movement of the same kind as that exposed under the first embodiment.
- the hollowed-out fairing (12) housing the propulsion device, fixed under the upper rear part of the float (13), is made so that its ground clearance is sufficient (14) to allow the discoidal arms of the bottom bracket (1) to also be used as wheels.
- the periphery of these hollow branches contributing to buoyancy can be covered with a rubberized material (15).
- the locking and unlocking of these branches (1) of the bottom bracket axis (10) is ensured manually by a flat key (16), perforated to allow the index to pass through, sliding in two fixed side rails (17).
- the axle of the crankset (10) is recessed in a bevel (18) to facilitate the passage of the lower part of the key and to reinforce dre thus the two parts integral with each other. Markers can be worn on the visible edge of these two parts to facilitate rapid operation relating to locking.
- Each protection made of flexible material of the pedals (2) can constitute the head of a pressure screw to allow possible dismantling of these pedals screwed into the body of the cranksets
- the rigid or inflatable float of a specific shape for optimum use of the propulsion system under the best safety conditions is hollowed out in its central part (19) to allow the user to position astride.
- the part located towards the front has a slight elevation (20) on which this user can lean in a bent position in the direction of travel.
- Two handles are provided laterally (22) to be able to grip and the raised position at the rear (21), forming the backrest, allows the lower part of the back to be wedged. Access to the pedals is facilitated by the recess of the fairing mentioned above (12).
- a handle at the bow (23) is used both for possible towing in an aquatic environment and for movements on land of the float.
- the nautical device according to the invention is intended for the general public for local use in an aquatic environment within the framework of nautical activities relating to leisure, sport and health.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Farming Of Fish And Shellfish (AREA)
- Wind Motors (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Vehicle Body Suspensions (AREA)
- Mechanical Means For Catching Fish (AREA)
- Mechanical Control Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01925642T ATE261842T1 (de) | 2000-04-17 | 2001-04-13 | Wasserfahrzeug, welches durch ein pedalbetriebenes zweischaufelgerät angetrieben wird |
US10/257,768 US6692317B2 (en) | 2000-04-17 | 2001-04-13 | Water craft propelled by a double-flipper device actuated by a pedal mechanism |
EP01925642A EP1274622B1 (fr) | 2000-04-17 | 2001-04-13 | Engin nautique propulse par un dispositif bipalme mu par un pedalier |
AU2001252335A AU2001252335A1 (en) | 2000-04-17 | 2001-04-13 | Water craft propelled by a double-flipper device actuated by a pedal mechanism |
DE60102366T DE60102366D1 (de) | 2000-04-17 | 2001-04-13 | Wasserfahrzeug, welches durch ein pedalbetriebenes zweischaufelgerät angetrieben wird |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR00/04929 | 2000-04-17 | ||
FR0004929A FR2807732B1 (fr) | 2000-04-17 | 2000-04-17 | Engin nautique propulse par un dispositif bipalme mu par un pedalier permettant de se deplacer sans danger dans un milieu aquatique |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001079058A1 WO2001079058A1 (fr) | 2001-10-25 |
WO2001079058A9 true WO2001079058A9 (fr) | 2002-01-10 |
Family
ID=8849332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2001/001144 WO2001079058A1 (fr) | 2000-04-17 | 2001-04-13 | Engin nautique propulse par un dispositif bipalme mu par un pedalier |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1274622B1 (fr) |
AT (1) | ATE261842T1 (fr) |
AU (1) | AU2001252335A1 (fr) |
DE (1) | DE60102366D1 (fr) |
FR (1) | FR2807732B1 (fr) |
WO (1) | WO2001079058A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009035367A1 (fr) * | 2007-09-11 | 2009-03-19 | Kuz Minyh Vasilii Mihailolich | Pédalo (et variantes) |
CN109436257A (zh) * | 2018-12-19 | 2019-03-08 | 衢州职业技术学院 | 一种捕捞海洋贝类的仿生机器人及其捕捞方法 |
CN110901867B (zh) * | 2019-12-03 | 2021-07-23 | 哈尔滨工程大学 | 一种基于齿轮连杆机构的仿生鱼尾 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2180890A (en) * | 1938-08-25 | 1939-11-21 | Robert B Menefee | Fishtail propeller |
US2728298A (en) * | 1952-07-11 | 1955-12-27 | Homer J Shafer | Vessel and fluid propelling device |
FR2602483B1 (fr) * | 1986-08-11 | 1991-05-10 | Gallee Bernard | Module compact amovible de propulsion par palmes d'un engin flottant sur l'eau |
US5320583A (en) * | 1992-01-17 | 1994-06-14 | De Woerd B.V. | Protector for front chain sprocket of a bicycle |
GB2272412B (en) * | 1992-11-16 | 1996-05-22 | Kin Ming Chau | Water propelling apparatus |
FR2752214B1 (fr) * | 1996-08-12 | 1999-02-05 | Antile Didier | Dispositif permettant de se deplacer rapidement sur ou dans l'eau |
-
2000
- 2000-04-17 FR FR0004929A patent/FR2807732B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-13 EP EP01925642A patent/EP1274622B1/fr not_active Expired - Lifetime
- 2001-04-13 DE DE60102366T patent/DE60102366D1/de not_active Expired - Lifetime
- 2001-04-13 WO PCT/FR2001/001144 patent/WO2001079058A1/fr active IP Right Grant
- 2001-04-13 AT AT01925642T patent/ATE261842T1/de not_active IP Right Cessation
- 2001-04-13 AU AU2001252335A patent/AU2001252335A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE261842T1 (de) | 2004-04-15 |
EP1274622B1 (fr) | 2004-03-17 |
FR2807732A1 (fr) | 2001-10-19 |
AU2001252335A1 (en) | 2001-10-30 |
DE60102366D1 (de) | 2004-04-22 |
EP1274622A2 (fr) | 2003-01-15 |
WO2001079058A1 (fr) | 2001-10-25 |
FR2807732B1 (fr) | 2002-07-05 |
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