NL8203246A - Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines - Google Patents

Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines Download PDF

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Publication number
NL8203246A
NL8203246A NL8203246A NL8203246A NL8203246A NL 8203246 A NL8203246 A NL 8203246A NL 8203246 A NL8203246 A NL 8203246A NL 8203246 A NL8203246 A NL 8203246A NL 8203246 A NL8203246 A NL 8203246A
Authority
NL
Netherlands
Prior art keywords
stick
foil
concentric tube
fastened
propulsion device
Prior art date
Application number
NL8203246A
Other languages
Dutch (nl)
Original Assignee
Lenten Hendrik
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 Lenten Hendrik filed Critical Lenten Hendrik
Priority to NL8203246A priority Critical patent/NL8203246A/en
Priority to EP83902451A priority patent/EP0114860A1/en
Priority to AU18257/83A priority patent/AU1825783A/en
Priority to PCT/NL1983/000029 priority patent/WO1984000499A1/en
Priority to JP58502601A priority patent/JPS59501578A/en
Priority to BR8307466A priority patent/BR8307466A/en
Priority to NZ205130A priority patent/NZ205130A/en
Publication of NL8203246A publication Critical patent/NL8203246A/en
Priority to NO841305A priority patent/NO841305L/en
Priority to US06/745,373 priority patent/US4578038A/en

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
    • B63H16/04—Oars; Sculls; Paddles; Poles
    • 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
    • B63B32/70—Accessories not specially adapted for a particular type of board, e.g. paddings or buoyancy elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)

Abstract

The propelling device, e.g. for a user on self-sustaining water skis, comprises a stick-like grip forming part of a thrust surface. This comprises a flexible circular foil (1) with radial stiffening at equal interspaces along its circumference. The radial stiffeners have a length smaller than the radius of the circle. The foil has, in the centre of its circle, a concentric tube stub-like opening (3), to receive the stick. Strings (10) between the foil edges and the other end of the stick set the angle to which the foil extends during thrust strokes.

Description

W-v: · ·’“··· ' Τ~ " r'r·^: ·.'·;·: '· ’fgf ' .W-v: · · "" ··· 'Τ ~ "r'r · ^: ·." ·; ·: "·" Fgf ".

'.. r - · j if' . •'i 1.'.. r - j if'. • 'i 1.

H. Lent en. Sneek.H. Lent and. Sneek.

Plooiband ten behoeve van voortstuwingsorgaan voor watersportdoeleinden.Pleat for propulsion for water sports purposes.

De uitvinding heeft betrekking op een band,waarmee de plooien in het voortstuwingsorgaan voor watersportdoeleinden volgens octrooiaanvraag nr. 8103270 gedurende de tijd dat het voortstuwingsorgaan niet in bedrijf is in de gewenste vorm blijft.The invention relates to a belt with which the pleats in the water sports propulsion device according to patent application No. 8103270 remain in the desired shape during the time that the propulsion device is not in operation.

5 Eet stuworgaan kan, zonder toepassing van de uitvinding gedurende de tijd dat het niet in gebruik is, als gevolg van de eigenschappen van het plastische materiaal een asymetrische vorm aannemen, waardoor de stuwende werking in veel gevallen verminderd wordt. Om dit te beletten wordt om het stuworgaan een band 10 geschoven en wel zodanig dat de zijden van de driehoek schroefvormig worden ingesleten. Wanneer het stuworgaan weer in gebruik is, heeft deze in de ontspannen toestand niet meer de zuivere driehoeks vorm, maar een min ofaeer schroefvormig model.The propeller, without applying the invention while not in use, may assume an asymmetrical shape due to the properties of the plastic material, thereby reducing the propelling action in many cases. To prevent this, a belt 10 is slid around the thrust member, such that the sides of the triangle are worn in a helical manner. When the thruster is in use again, in the relaxed state it no longer has the pure triangular shape, but a somewhat helical model.

Tijdens het terugtrekken door het water ontstaat een ster-15 vorm met gebogen punten.When retreating through the water, a star-15 shape with curved points is created.

Het openen van het stuworgaan aan het begin van de stuw-slag verloopt door toepassing van deze uitvinding nog gelijkmatiger en sneller dan volgens octrooiaanvraag nr. 8103270.The opening of the thruster at the beginning of the thrust is even more uniform and faster by applying this invention than according to patent application No. 8103270.

De band kan zowel eindloos als met een knoop of gespverbinding 20 worden uitgevoerd, hoewel het uitgangsmateriaal niet essentieel is, verdient een stof met grote wrijvingscoefficient ten opzichte van de stof waaruit het stuworgaan vervaardigd is de voorkeur omdat hierdoor de band bij geringe spanning goed in positie blijft.The belt can be endless or with a knot or buckle connection 20, although the starting material is not essential, a fabric with a high coefficient of friction relative to the fabric from which the propeller is made is preferable because it allows the belt to be well positioned at low tension remains.

De uitvinding zal worden toegelicht aan de hand van een 25 uitvoaringsvoorbeeld,metbehulpvan de tekening waarin: fig.1 een onderaanzicht toont van het volgens de uitvinding schroefvormig ingesloten stuworgaan. fig.2 een zijaanzicht toont van Set door middel van de plooiband ingesloten stuworgaan.The invention will be elucidated on the basis of an exemplary embodiment, with the aid of the drawing, in which: Fig. 1 shows a bottom view of the propeller enclosed in accordance with the invention. Fig. 2 shows a side view of Set propeller enclosed by the pleat tape.

30 De plooiband 1 wordt aan de onderzijde om het stuworgaan 2 gemonteerd nadat de hoeken 3 van de driehoek schroefvormig om de stok 4 zijn gewikkeld.The pleated band 1 is mounted on the underside around the propeller 2 after the corners 3 of the triangle are wound helically around the stick 4.

8203246 2.8203246 2.

*" . %* ".%

De touwtjes waarmee de ingesloten hoek van het stuworgaan tijdens de stuwslag begrensd worden, zijn ter voorkoming van ver-35 warring achterwege gelaten op de tekening* 8203246The strings with which the enclosed angle of the thrust member during the thrust stroke are limited have been omitted from the drawing * 8203246 to avoid confusion.

Claims (2)

1. Plooiband waarmee de plooien ran het stuworgaan volgens octrooi aanvraag nr. 8103270 in de gewenste vorm gehouden worden, gedurende de tijd dat het stuworgaan niet in gebruik is.1. Pleating tape with which the pleats of the propellant according to patent application No. 8103270 are kept in the desired shape, while the propeller is not in use. 2. Schroefvormige uitvoering van het stuworgaan volgens octrooiaan vraag nr· 8IO327O als gevolg van de toepassing van de plooiband volgens conclusie 1. 82032462. Helical design of the propellant according to patent application No. 8IO327O as a result of the use of the pleated belt according to claim 1. 8203246
NL8203246A 1982-08-03 1982-08-18 Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines NL8203246A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL8203246A NL8203246A (en) 1982-08-18 1982-08-18 Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines
EP83902451A EP0114860A1 (en) 1982-08-03 1983-08-02 Elongated propelling means for manually moving a sailing craft over the water surface
AU18257/83A AU1825783A (en) 1982-08-03 1983-08-02 Elongated propelling means for manually moving a sailing craft over the water surface
PCT/NL1983/000029 WO1984000499A1 (en) 1982-08-03 1983-08-02 Elongated propelling means for manually moving a sailing craft over the water surface
JP58502601A JPS59501578A (en) 1982-08-03 1983-08-02 Extended propulsion means for manually moving the hydroplane
BR8307466A BR8307466A (en) 1982-08-03 1983-08-02 ELONGED PROPULSOR ELEMENT TO MANUALLY ADVANCING A SAILBOAT ON THE WATER SURFACE
NZ205130A NZ205130A (en) 1982-08-03 1983-08-03 Umbrella-shaped paddle
NO841305A NO841305L (en) 1982-08-03 1984-04-03 ELEVATIVE DRIVE DEVICE FOR MANUAL MOVEMENT OF A SAILING VESSEL ON A WATER SURFACE
US06/745,373 US4578038A (en) 1982-08-03 1985-06-17 Elongated propelling means for manually moving a sailing craft over the water surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8203246 1982-08-18
NL8203246A NL8203246A (en) 1982-08-18 1982-08-18 Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines

Publications (1)

Publication Number Publication Date
NL8203246A true NL8203246A (en) 1984-03-16

Family

ID=19840153

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8203246A NL8203246A (en) 1982-08-03 1982-08-18 Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines

Country Status (1)

Country Link
NL (1) NL8203246A (en)

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed