EP0125334A1 - Wishbone pour planches à voile - Google Patents

Wishbone pour planches à voile Download PDF

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Publication number
EP0125334A1
EP0125334A1 EP83104828A EP83104828A EP0125334A1 EP 0125334 A1 EP0125334 A1 EP 0125334A1 EP 83104828 A EP83104828 A EP 83104828A EP 83104828 A EP83104828 A EP 83104828A EP 0125334 A1 EP0125334 A1 EP 0125334A1
Authority
EP
European Patent Office
Prior art keywords
boom
line
openings
tube
pin
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Withdrawn
Application number
EP83104828A
Other languages
German (de)
English (en)
Inventor
Friedrich Lachetzki
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.)
Grueske Elisabeth
Original Assignee
Grueske Elisabeth
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 Grueske Elisabeth filed Critical Grueske Elisabeth
Priority to EP83104828A priority Critical patent/EP0125334A1/fr
Publication of EP0125334A1 publication Critical patent/EP0125334A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
    • B63H8/50—Accessories, e.g. repair kits or kite launching aids
    • B63H8/54—Arrangements for connecting the user or the harness to the wishbone, e.g. trapeze lines or handgrips

Definitions

  • the invention relates to a boom for a sail board with a device for fastening a trapezoidal line, the boom comprising a boom tube.
  • the ends of a trapeze line are attached to the boom, to which a surfer hangs.
  • the surfer mainly counteracts the pressure in the sail with his body weight, so that the arms and hands are relatively unloaded for steering the rig and for corrections in driving behavior.
  • the trapezoid line is attached to the outside of the boom or to the outside of the boom using loops, knots (see DE-Z "Surf, November 1979, No. 11, p. 45) or clamps (see DE-GM 81 17 039) attached.
  • This fixture has the disadvantage that the vorzu g s-wise made of plastics or rubber covering the boom from being damaged by chafing of the rope, whereby the rope selbt chafe can.
  • the loops and knots protruding from the wall of the boom, as well as clamps of the tamp interfere, since they significantly impair quick and firm gripping of the boom by hand.
  • the invention is based on the object of designing a boom for a sail board for fastening a trapezoidal line in such a way that the impairment of gripping the boom with the hands is substantially reduced.
  • the boom tube has at least two spaced-apart pairs of radially opposite openings, between each of which a holding device for the trapezoidal cord closing the openings from the interior of the boom tube extends.
  • the ends of the trapezoidal line are thus secured to the boom pipe in such a way that impairment of gripping the boom with the hands is now significantly reduced and destruction of the jacket of the boom is avoided, which is to be feared if the trapezoid line is folded around the boom pipe would.
  • the holding device also stiffens the boom and increases its breaking strength precisely at the critical points at which the ends of the trapezoid line are attached.
  • the holding device for the trapezoid line is a sleeve through which the trapezoid line is passed.
  • the trapeze line can then be secured with a knot.
  • the sleeve is in a further embodiment of the invention in each case at the opening facing the center line of the sail board to form a depression receiving a knot at the end of the trapezoid line expanded. This preferably funnel-shaped depression also facilitates the threading and threading of the trapezoidal line through the sleeve.
  • the holding device is a pin on which a fastening element for the trapezoid line, which is preferably a ring, is provided on the end facing away from the center line of the sail board.
  • caps are provided on the pin ends on the outer edge of the openings in the boom tube, which caps can close the openings in a watertight manner.
  • the pin can advantageously consist of two together screwable parts be constructed.
  • the pin and sleeve can be made of metal or plastic and can also be retrofitted to a boom tube. For this it is only necessary to drill the necessary openings in the boom tube and insert the pin or the sleeve.
  • the embodiment in which the pin consists of two parts that can be screwed to one another can be quickly installed subsequently.
  • the embodiment with the pin has the advantage that the diameter of the openings can be chosen to be smaller than in the case of the sleeve, as a result of which the breaking and tear resistance at the edges of the openings in the boom increases in comparison to the embodiment with the sleeve.
  • the boom tube 10 filled with foam 30 with a plastic or rubber jacket 10 ′ has two radially opposite openings 12 and 14, the diameter of the opening 14 being larger than the diameter of the opening 12.
  • a plastic or metal sleeve 16 or a rivet extends between the openings and seals with the edges of the openings 12 and 14 so that no water can get into the interior of the boom tube.
  • the sleeve 16 widens in a funnel shape at the opening 14.
  • a trapezoidal line 18 enters through the sleeve 16 at the opening 12 and out of the sleeve 16 at the opening 14, at the end of which is secured against being pulled out of the boom tube by means of an eight-knot which largely disappears in the funnel-shaped recess 20.
  • the pins shown in FIG. 3 can also be distributed over the boom in the arrangement shown in FIG. 2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)
EP83104828A 1983-05-17 1983-05-17 Wishbone pour planches à voile Withdrawn EP0125334A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP83104828A EP0125334A1 (fr) 1983-05-17 1983-05-17 Wishbone pour planches à voile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83104828A EP0125334A1 (fr) 1983-05-17 1983-05-17 Wishbone pour planches à voile

Publications (1)

Publication Number Publication Date
EP0125334A1 true EP0125334A1 (fr) 1984-11-21

Family

ID=8190472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83104828A Withdrawn EP0125334A1 (fr) 1983-05-17 1983-05-17 Wishbone pour planches à voile

Country Status (1)

Country Link
EP (1) EP0125334A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7721065U1 (fr) * 1900-01-01 Akutec Angewandte Kunststofftechnik Gmbh, 8000 Muenchen
DE2930598A1 (de) * 1979-07-27 1981-02-05 Wunder Kg Heinrich Sicherheitsschnalle fuer trapezgurte, insbesondere zur benutzung bei segelbrettern
FR2491864A1 (fr) * 1980-10-15 1982-04-16 Lorin Georges Harnais de securite de planche a voile
FR2497490A1 (fr) * 1981-01-05 1982-07-09 Cury Marc Wishbone utilisable notamment pour les planches a voile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7721065U1 (fr) * 1900-01-01 Akutec Angewandte Kunststofftechnik Gmbh, 8000 Muenchen
DE2930598A1 (de) * 1979-07-27 1981-02-05 Wunder Kg Heinrich Sicherheitsschnalle fuer trapezgurte, insbesondere zur benutzung bei segelbrettern
FR2491864A1 (fr) * 1980-10-15 1982-04-16 Lorin Georges Harnais de securite de planche a voile
FR2497490A1 (fr) * 1981-01-05 1982-07-09 Cury Marc Wishbone utilisable notamment pour les planches a voile

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19830517

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

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

18D Application deemed to be withdrawn

Effective date: 19850522

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LACHETZKI, FRIEDRICH