EP0159995A1 - Flotteurs a utiliser par paire pour marcher sur l'eau. - Google Patents

Flotteurs a utiliser par paire pour marcher sur l'eau.

Info

Publication number
EP0159995A1
EP0159995A1 EP84901971A EP84901971A EP0159995A1 EP 0159995 A1 EP0159995 A1 EP 0159995A1 EP 84901971 A EP84901971 A EP 84901971A EP 84901971 A EP84901971 A EP 84901971A EP 0159995 A1 EP0159995 A1 EP 0159995A1
Authority
EP
European Patent Office
Prior art keywords
foot
buoyancy body
body according
buoyancy
cavity
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.)
Granted
Application number
EP84901971A
Other languages
German (de)
English (en)
Other versions
EP0159995B1 (fr
Inventor
Karl Reinhard Zeiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT84901971T priority Critical patent/ATE38160T1/de
Publication of EP0159995A1 publication Critical patent/EP0159995A1/fr
Application granted granted Critical
Publication of EP0159995B1 publication Critical patent/EP0159995B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/50—Body-supporting buoyant devices, e.g. bathing boats or water cycles
    • B63B34/56—Body-supporting buoyant devices, e.g. bathing boats or water cycles for use in a standing position, e.g. water shoes, water walking devices or buoyant skis

Definitions

  • Buoyancy body to be used in pairs for running on the water
  • the invention relates to buoyancy bodies to be used in pairs with one foot receptacle for one foot each for running on the water.
  • Floats that can keep a person afloat have been known for a long time. However, they have the disadvantage that they are relatively large and heavy and accordingly expensive. It is also very difficult to balance and move on them as little practiced. They can usually only be moved with the help of poles or sticks.
  • the invention has for its object to develop a device for running on the water, on which it is better to keep balance, while it is otherwise comparable in terms of portability, use and cost to skis, and this object is achieved according to the invention solved that the arrangement of the foot receiving and / or the mass distribution with respect to the foot receiving in the transverse direction are so asymmetrical that the buoyancy force is higher on the side of the inner edge than on the side of the outer edge in the loaded state.
  • the lowest possible contact area for the foot should be aimed for, because this improves stability.
  • the invention offers this possibility in all versions, in particular also when there are cavities which are open at the bottom and which result in a relatively high but narrow construction which allows walking, similar to that on skis.
  • the volume of air trapped in the cavity is used for buoyancy.
  • a non-return valve a non-return valve or the like, it can be achieved that, when a negative pressure develops in the cavity, air moves from above through the non-return valve into the cavity can flow, but then can no longer escape upwards.
  • the cavities offer the opportunity to influence the sliding resistance solely by their design or in cooperation with guiding, guiding and / or driving elements which extend into the water.
  • cavities mentioned can also be designed, for example in that they are largely but not completely closed at the bottom, in such a way that they fill with water during use and this water volume is carried along, has a stabilizing effect and improves certain dynamic properties.
  • cavities can be designed so that water enters at the front and exits at the back during the movement. By means of flaps and the like, it can be ensured that a flow through the cavity in the reverse direction from the rear to the front is not possible in the same way as from the front to the rear.
  • each buoyancy body essentially has a structure in the manner of a catamaran, the two fuselage parts on the one hand taking over lateral guidance - henceforth called lateral guide parts below - and on the other hand forming the lateral boundary of one or more cavities.
  • the side guide parts should themselves generate lift and be relatively long and high, but narrow to do the job of the side guide, i.e. To prevent sliding in the transverse direction, to fulfill as well as possible.
  • the two lateral guide parts are preferably connected to one another by an upper part covering them and other connecting elements and are kept at a predetermined distance.
  • connecting elements e.g. Intermediate walls or intermediate bodies serve which limit cavities to the front or to the rear.
  • the front surfaces and / or rear surfaces of the intermediate walls and intermediate bodies are expediently designed obliquely in the direction or provided with bevels that the sliding in the forward direction is facilitated, while the resistance in the reverse direction is opposed.
  • the foot receptacle preferably also serves as the connecting element between the two side guide parts.
  • this preferably has the shape of a shoe.
  • side parts made of light material attached or formed laterally outside the side guide parts provide further reinforcement, buoyancy and better stabilization. There is also the possibility of covering hard reinforcement inserts, reinforcements or the like.
  • the new buoyancy body can be provided with suitable drive elements. These can of course be of the motor type. However, drives which are driven either by foot movements or changes in load are preferred. Examples in this context are bucket-shaped or fin-shaped drive elements which are moved by movements of the foot relative to the foot holder in such a way that a propulsive force is generated. In another practical embodiment, the foot movements can be used to operate a pump device which pushes water backwards and thereby generates propulsion.
  • each buoyant body preferably consists of several short parts which can be assembled to the total length.
  • FIG. 1 is a side view of a buoyancy body according to the invention
  • _ OMPI 2 shows a cross section through the buoyancy body according to FIG. 1,
  • FIG. 3 is a plan view of the buoyancy of Fig. 1 and 2
  • FIG. 5 shows a basic drawing corresponding to a side view or a longitudinal section for the construction of the front part of a buoyancy body
  • FIG. 6 shows a further cross section through an exemplary buoyancy body
  • FIG. 7 is a side view of the middle part of a buoyancy body
  • FIG. 9 is a side view of the blade of FIG. 8,
  • FIG. 10 shows a front view of a drive blade that can be moved arbitrarily by foot movement
  • FIG. 11 shows the blade according to FIG. 10 in a side view
  • FIG. 12 shows a section through an exemplary swivel mounting of a drive member in the area of the foot mount
  • FIGS. 13 and 16 and 14 show the corresponding top views of FIGS. 13 and 16 and 14,
  • 17 shows the special shape of a drive paddle which can be driven manually or by foot actuation
  • FIG. 18 shows a side view of a further exemplary embodiment of a paddle blade shape.
  • a buoyancy is provided as a preferred exemplified embodiment shown, the metacentre is particularly low.
  • the buoyancy is divided into an upper part 1, two side guide parts 2 and in the upper region on 'whose outer sides are arranged side panels 3.
  • the side guide parts 2 are further connected to one another by a foot receptacle 4, a front inner part 5, an inner discharge part 6, an inner guide wedge 7 and a rear inner part 9.
  • a water guide part is designated by 8 and a flap stop part is designated by 10.
  • At 11 is a foot opening and behind it shows a guide opening at 12.
  • the lower water line, designated 13 applies to the unloaded buoyancy body, the upper water line, designated 14, to the loaded state in the area of the upper angle 15 and the lower angle 16 around the Waterline 14.
  • These oscillating movements as well as all other movements of the buoyancy body are also carried out by the rear aggregate receptacle 17 and the front aggregate receptacle 18.
  • OMPI drive organs stored which will be discussed in more detail later.
  • paddles and possibly even elements provided with further buoyancy bodies which use the different vibrations, penetration depths and loads as well as other movements to drive the buoyancy body in the forward direction and in the backward direction to break.
  • the starting position of a rocker is designated with 19, with 20 its bottom dead center and with 21 its top dead center.
  • a paddle is pivotably mounted on the rear aggregate receptacle 17, this can, as also indicated in FIG. 1, stop an essentially vertical counter-movement secured in the reverse direction by a stop Assume zero position or a first inclined position 23 when traveling in the forward direction or a second inclined position 24 when traveling faster and finally an upper position 25 when traveling even faster in the forward direction.
  • FIGS. 1 and 3 Furthermore, a rear transverse guide tube 26 and a front transverse guide tube 27 are shown in FIGS. 1 and 3. At 28 an optional water guiding part is indicated by dashed lines, which can be designed in the manner of a so-called sword.
  • the above-mentioned parts 1, 2, 5, 6 delimit an inner front cavity 29 which, in the example, is only open on the underside.
  • a corresponding rear cavity 30 is delimited by parts 1, 2, 7, 9.
  • the cavities 29 and 30 which are open at the bottom are partly filled with air and partly with water and are therefore also referred to as water chambers. The trapped air promotes buoyancy, and the water contained in the cavities 29 and 30 increases the mass moved during the journey and acts through stabilizing.
  • Fig. 2 shows in connection with Fig. 1, the deep position of the foot holder 4.
  • the side guide parts have several functions by sliding with their lower area in the water and preventing lateral drift, while at the same time providing buoyancy and improving it by having the air in the cavities in the upper area Keep 29 and 30 prisoners.
  • the foot receptacle is laterally offset outwards, so that when viewed in the transverse direction, the buoyancy is asymmetrical when loaded, and in such a way that it is higher on the inside edges of both buoyancy bodies used by a person than on the outside edges.
  • the same effect could also be achieved by using different materials for the side guide parts 2 or side parts 3.
  • the cavities or water chambers 29 and 30 can, based on the exemplary embodiment shown, be opened further or else closed on the underside.
  • the inertia and stability of the buoyancy body can thus be influenced during the run.
  • the water chambers can be provided with materials that generate fluidic resistance, so that the opened chambers release liquid only with a time delay or depending on the speed.
  • a material can e.g. be a revised filter foam.
  • the foot entry opening 11 shown in plan view in FIG. 3 is designed in such a way that the foot can easily get in and out. Suitable footwear can also be used *
  • the buoyancy body At its front end, the buoyancy body has a favorable shape in terms of flow.
  • FIG. 4 shows a cross section through an exemplary buoyancy body on an enlarged scale. Just as in the case of FIGS. 1 and 2, this consists of an upper part 1, two side guide parts 2 and two side parts 3. The foot receptacle is again designated 4 and its opening 11.
  • FIG. 4 shows an upper inner reinforcement 32 and an upper outer reinforcement 34 as well as a lower inner reinforcement 36 and a lower outer reinforcement 38 on the side guide parts 2.
  • the upper outer reinforcements 34 are each covered by the side parts 3.
  • the reinforcements located opposite each other on a side guide part can be braced against one another by means of reinforcement tensioning parts 40 and 42 and thereby generate a compressive prestress when using compressible materials for the side guide parts.
  • a guide holder tube is indicated at 44, which extends through the two side guide parts 2, connects them to one another and is used for storing further parts, e.g. of the drive or the foot support.
  • the front part of the abrasion body according to FIG. 1 shown in FIG. 5 clearly shows that attention is paid to suitable water guidance through the outer and inner slopes.
  • the upper part 1 is provided with an upper slope 46 and each side guide part with a lower slope 48.
  • the front inner part 5 has an outer bevel 50 and an inner bevel 52.
  • the parts which constantly come into contact with the water can be surface-finished so that the flow losses are reduced.
  • the surfaces can be coated with environmentally compatible lubricants which, like in skiing, adhere and
  • FIG. 6 shows a further section through a buoyancy body shown as an example.
  • the removable and adjustable foot holder can be seen in particular.
  • FIG. 7 shows a side view of the central part of the buoyancy body shown in cross section in FIG. 6. It can be seen how the footbed is fastened and adjusted by a simple plug-in device. By arranging grid bores in several positions, the foot receptacle can be brought into the desired position.
  • the exemplary position of the reinforcement can also be seen by comparison with FIG. 6.
  • the outer reinforcement 34 according to FIGS. 4 and 6 is covered by the application of the side parts 3, so that there is no risk of accidents due to protruding hard, non-yielding parts.
  • FIGS. 8 and 9 together show the front view and the side view of a paddle which serves as the drive and is pivotably mounted between the side guide parts 2.
  • This part could also be referred to as a flap or blade.
  • it is divided into a guide vane 54 and a large paddle 56, which is attached laterally to its free end.
  • the flap is pivotally mounted on a guide tube 58 using spacers 60.
  • the flap assumes the substantially vertical position 62 shown in FIG. 9. If a backward movement is initiated by the foot, it presses
  • the paddle swings to position 68 at a relatively low speed, then to position 70 at high speed. Then the speed slows down again, depending on its own weight, the paddle again approaches position 62 so that further propulsion can take place by further foot movements.
  • the guide vane 54 and / or the large paddle 56 can consist of several vane parts, all of which can carry out a corresponding oscillating movement in relation to the other parts and have a defined locking.
  • the flap 54, 56, 64 is an inherently rigid part with a substantially U-shaped cross section, the guide tube 58 on which the flap is mounted, according to FIG extends the side webs.
  • the flap can of course be provided with additional weights or buoyancy elements, so that various desired positions can be assumed depending on the driving conditions.
  • the flap can be biased to a certain position by a spring.
  • This pendulum paddle is in turn pivotably mounted on a guide tube 78 extending between the side guide parts 2 and firmly connected to the plate-shaped foot receptacle 4. From this side arms 80 extend downward to a paddle 82. The angular movements of the foot are in this case enlarged by the arms 80 and an effective paddle movement is generated. Depending on the foot actuation, the paddle 82 swings from position 84 to position 86 to position 88. Satisfactory propulsion is ensured by rapid movement of the paddle in the backward direction and slow movement in the forward direction.
  • the pivot point of the paddle lies directly under the stressing foot.
  • the blade surface of the paddle 82 is essentially horizontal.
  • the paddle can in turn be designed to be resilient and non-articulated. Depending on the distance of the paddle 82 from the bearing 78, the load requirement for the user is increased or reduced.
  • FIGS. 12 to 16 Another exemplary embodiment of a drive is shown in the associated FIGS. 12 to 16.
  • 12 shows a cross-section in the area of the foot receptacle, FIGS. 13 and 14, which must be imagined to be connected horizontally one after the other, a side view, and FIGS. 15 and 16, which also adjoin one another horizontally, a plan view a paddle 92 attached to an essentially horizontally extending rocker 90.
  • the rocker 90 is angled upwards at the front end before the foot receptacle and can be pivoted by means of a guide tube 94 which extends between the side guide parts 2 stored. For fluidic reasons, the rocker 90 is attached centrally in the drive body. It extends from its warehouse at 94 to
  • FIGS. 14 and 16 show the paddle at the rear end of the rocker 90 in a side view and a top view. It is shown that an additional paddle 102 can be pivotably mounted at the rear end of the paddle 92.
  • the paddle 92 is provided with vertical ribs 104 as a lateral guide device.
  • the paddle 92 is connected to the rocker by means of a wedge 106.
  • FIG. 17 and 18 together show an end view and a side view of a further embodiment of a drive paddle which can be operated manually or by foot operation.
  • the shape is selected so that actuation is possible even without lateral linkage guidance.
  • the blade designated overall by 108, is divided into a front blade part 110 and a rear blade part 112.
  • a guide part is designated by 114.
  • the blade 108 is guided on a stick 116 which is connected to the blade by means of a stick holding part 118 and a stick clamping part 120 with associated connecting points 122 and 124.
  • the front plunge angle of the paddle is indicated at 126. The paddle is moved from this position to the rear position via the shown central position 128
  • the upper water line is shown at 132 and the lower water line at 134.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

Un flotteur allongé pour marcher sur l'eau possède au moins une cavité ouverte en bas (29, 30). La surface de pose (4) pour le pied se trouve en-dessous de l'arête supérieure de la cavité. En outre, il peut être plus ou moins fermé sur le côté inférieur. Le flotteur peut être doté d'organes d'entraînement pouvant prendre par exemple la forme d'aubes, de pagaies ou de palmes.
EP84901971A 1983-05-20 1984-05-12 Flotteurs a utiliser par paire pour marcher sur l'eau Expired EP0159995B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84901971T ATE38160T1 (de) 1983-05-20 1984-05-12 Paarweise zu verwendender auftriebskoerper zum laufen auf dem wasser.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3318384 1983-05-20
DE19833318384 DE3318384A1 (de) 1983-05-20 1983-05-20 Laenglicher auftriebskoerper zum laufen auf dem wasser

Publications (2)

Publication Number Publication Date
EP0159995A1 true EP0159995A1 (fr) 1985-11-06
EP0159995B1 EP0159995B1 (fr) 1988-10-26

Family

ID=6199472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84901971A Expired EP0159995B1 (fr) 1983-05-20 1984-05-12 Flotteurs a utiliser par paire pour marcher sur l'eau

Country Status (6)

Country Link
US (1) US4731039A (fr)
EP (1) EP0159995B1 (fr)
AU (1) AU3014984A (fr)
DE (2) DE3318384A1 (fr)
IT (1) IT1199469B (fr)
WO (1) WO1984004694A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192837B (en) * 1986-07-23 1990-03-07 Chang Ping Chuan Shoes for sliding on water
US5194023A (en) * 1992-01-24 1993-03-16 Edward Stone Individual propelled water craft
US5338275A (en) * 1993-01-12 1994-08-16 Chek Paul W Hydro-therapeutic rehab-footgear
US5860841A (en) * 1997-12-05 1999-01-19 Welz; Jaroslav Personal watercraft
US6855024B2 (en) * 2002-04-29 2005-02-15 Walter G. Rothschild Skis to walk on water
US7354326B2 (en) * 2005-05-13 2008-04-08 Lukens William W Personal watercraft
USD874594S1 (en) 2017-05-22 2020-02-04 Bart P. Howard Float for walking on water
US10926849B1 (en) 2020-05-01 2021-02-23 Orth Consulting, Llc Manually propelled water skis
CN111616091B (zh) * 2020-07-01 2021-12-28 山东省水生生物资源养护管理中心 一种与养殖网箱结合的休闲钓鱼平台

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE204192C (fr) *
DE38685C (de) * J. CHR. SAUER in München Wasserschuh
FR509729A (fr) * 1916-09-09 1920-11-18 Louis Felix Plet Hydro sky
US1693867A (en) * 1927-06-20 1928-12-04 Reinwald Paul Water shoe
AT194765B (de) * 1955-05-31 1958-01-10 Friedrich Wilhelm Deckel Jr Wasserschi
US3034157A (en) * 1958-04-03 1962-05-15 Abajian Aram Christian Water walking skis
US3479674A (en) * 1967-09-07 1969-11-25 Richard L Beymer Water shoe
US3566427A (en) * 1969-02-12 1971-03-02 Bill Davis Water walking apparatus
US3833956A (en) * 1972-06-29 1974-09-10 J Meehan Water skate
US3808622A (en) * 1972-08-09 1974-05-07 N Webster Shoes for walking on water
US4117562A (en) * 1973-09-21 1978-10-03 Schaumann Peter H Water walker
US4261069A (en) * 1973-09-21 1981-04-14 Schaumann Peter H Water walker
US3835494A (en) * 1973-12-10 1974-09-17 E Dougherty Water walking pontoons
FR2294726A1 (fr) * 1974-07-18 1976-07-16 Caron Antoine Dispositif de deplacement de l'homme sur l'eau, du type skis nautiques
FR2376672A1 (fr) * 1977-01-06 1978-08-04 Chaudronn Plast Ind Exploit Dispositif permettant de pratiquer le ski de fond sur l'eau
US4296511A (en) * 1978-06-08 1981-10-27 Wright Joe B Water ski with increased stability
BE894493A (fr) * 1982-09-27 1983-01-17 Duchene Luc Ski de fond sur eau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8404694A1 *

Also Published As

Publication number Publication date
DE3474778D1 (en) 1988-12-01
IT8412520A0 (it) 1984-05-18
EP0159995B1 (fr) 1988-10-26
US4731039A (en) 1988-03-15
DE3318384A1 (de) 1984-11-22
IT1199469B (it) 1988-12-30
WO1984004694A1 (fr) 1984-12-06
AU3014984A (en) 1984-12-18

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