EP0351642A1 - Mât d'une planche à voile - Google Patents

Mât d'une planche à voile Download PDF

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Publication number
EP0351642A1
EP0351642A1 EP89112253A EP89112253A EP0351642A1 EP 0351642 A1 EP0351642 A1 EP 0351642A1 EP 89112253 A EP89112253 A EP 89112253A EP 89112253 A EP89112253 A EP 89112253A EP 0351642 A1 EP0351642 A1 EP 0351642A1
Authority
EP
European Patent Office
Prior art keywords
mast
rubber
spring
outer part
joint
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Withdrawn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
EP89112253A
Other languages
German (de)
English (en)
Inventor
Gunter Christiani
Heinrich Brenner
Siegfried Blech
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.)
ZF Boge GmbH
Original Assignee
Boge GmbH
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
Priority claimed from DE3824031A external-priority patent/DE3824031A1/de
Application filed by Boge GmbH filed Critical Boge GmbH
Publication of EP0351642A1 publication Critical patent/EP0351642A1/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Withdrawn legal-status Critical Current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
    • B63H8/20—Rigging arrangements involving masts, e.g. for windsurfing
    • B63H8/24—Arrangements for connecting the rigging to a board

Definitions

  • the invention relates to a mast for a sailing board, the mast being connected to a pivotable joint via a mast base or a telescopic extension.
  • the object of the invention is to provide a mast for a sail board with a simple and inexpensive device for axial damping relative to the sail board.
  • an axially movable rubber bearing consisting of an inner part, an outer part spaced apart therefrom and a rubber spring inserted therebetween is arranged between the mast and the joint.
  • This design has the advantage that not only the risk of damage to the sail board is reduced, but that the driving properties of the sail board can be significantly improved with the aid of the damping device.
  • the rubber mount absorbs shocks when jumping in strong seas, the sail board runs more smoothly and the sail of the surf board is easier to guide.
  • the rubber bearing is designed to be hydraulically damping, the rubber spring having damping medium-filled chambers which are hydraulically connected to one another via throttle channels and which are sealed off from the outside. It is advantageous with this design that when the mast is axially displaced with respect to the joint, the hydraulic fluid must flow from one chamber via the throttle point into the other chamber and thus generate a damping force.
  • a particularly favorable embodiment from the manufacturing point of view provides that the rubber spring, which is subjected to tension and pressure, is firmly connected to the inner part and the outer part by vulcanization. It is advantageous here that the rubber spring can be preloaded and automatically return to its original starting position after covering an axial path between the inner and outer part.
  • Another variant provides that the inner part and / or the outer part are cylindrical.
  • the rubber spring is pressed in between the inner part and the outer part and rolls with relative axial movement between the inner part and the outer part.
  • the inner part and / or the outer part, starting from the central region to at least one end region, is flared.
  • the rubber spring rolls between the inner and outer part, so that large axial paths can be carried out.
  • the conical surfaces cause the rubber spring to return automatically to the starting position after relieving pressure.
  • the joint is connected to the inner part via a screw connection and the outer part is connected to the mast base or the extension.
  • the hydraulically damping rubber bearing can easily be retrofitted as an individual part to an existing sail board by connecting the outer part to the mast, mast foot or the telescopic extension and connecting it to the joint firmly but releasably via the screw connection.
  • Another embodiment of the invention provides that the joint is designed as a one-piece pivotable rubber element together with the rubber spring.
  • an assembly of the joint and the hydraulically damping rubber bearing can be achieved in an advantageous manner.
  • the screw connection has a washer which is formed directly or via a buffer as a stop against the rubber spring.
  • a particularly favorable embodiment provides that a further spring element is assigned to the rubber bearing.
  • an axially extending spiral spring is provided as the spring element, which is supported on the one hand on the rubber bearing and on the other hand on a stop part, or that a further rubber bearing axially spaced from the rubber bearing is provided as the spring element.
  • the rubber bearing receives additional elastic support to absorb the forces that arise during driving.
  • the outer part (s) of the rubber bearing (s) are arranged in an intermediate part that supports the mast (1).
  • a mast 1 shows a device in which a mast 1, a mast base 14 or a telescopic extension is used to hold a sail (not shown), the mast 1 being connected to the joint 2 via a hydraulically damping rubber bearing 3.
  • the joint 2 is connected directly or indirectly to the sail board.
  • the hydraulically damping rubber bearing 3 consists of the inner part 4, the outer part 5 and the in between arranged rubber spring 6.
  • the inner part 4 is relatively axially movable relative to the outer part 5.
  • the rubber bearing 3 is connected to the joint 2 via the screw connection 10, while the outer part 5 is held with the mast 1 or the mast base 14 via a bead 11 and the screw ring 12.
  • the hydraulically damping rubber bearing 3 has a chamber 8 and a further chamber 9 inside, which are hydraulically connected to one another via a throttle channel 7.
  • a pressure builds up in the damping agent-filled chamber 9, which pressure is reduced via the throttle channel 7.
  • the damping agent flows from the chamber 9 via the throttle channel 7 into the chamber 8 and thus generates a damping pressure.
  • the membrane 13 is provided at the end of the chamber 8 from the atmosphere.
  • the rubber spring 6 serves as a supporting spring for the mast and generates a restoring moment after axial deflection, so that the mast 1 returns to its starting position.
  • the device of Figure 2 differs from the device in Figure 1 only in that the rubber spring 6 is integrally formed with the joint 2. Otherwise the mast 1 or mast foot 1 is in turn firmly connected to the outer part 5 and the inner part 4 by vulcanization to the joint 2. The mast 1 can be moved relatively axially relative to the joint 2 and hydraulic damping is ensured via the chambers 8 and 9 and the throttle channel 7.
  • FIG. 3 shows a further form of a rubber bearing, in which the intermediate part 14 is arranged between the joint 2 and the mast 1.
  • the intermediate part 14 is the inner part 4 and the outer part 5 with the rubber spring 6 arranged between them.
  • the rubber spring 6 is pressed between the inner part 4 and the outer part 5 and rolls when the parts move axially relative to one another between the inner part 4 and the outer part 5.
  • conical extensions of the inner part 4 and the outer part 5 are provided towards the end region 16. Due to these conical extensions, a preload is applied to the rubber spring 6 when the rubber spring 6 moves axially. If the mast 1 is relieved of the load on the joint 2, this prestressing causes the rubber spring 6 to be moved back to its starting position.
  • the buffer 18, which is supported by the washer 17 and the screw connection 10, serves as an axial limitation of the rubber spring 6.
  • FIG. 4 shows a further variant of a rubber bearing, in which the inner part 4 and the outer part 5 are cylindrical.
  • the rubber spring 6 is vulcanized in between this cylindrical inner part and the outer part 5, axial movements of the mast relative to the joint 2 being executable. After relieving the pressure on the rubber bearing, the original position of the parts relative to one another is assumed by relaxing the rubber spring 6.
  • a buffer 18 is also supported via an angle ring 19, which is provided as a stop on the disk 17 for axial limitation.
  • FIG. 5 shows a device in which a further rubber bearing 20 is arranged axially at a distance from the rubber bearing 3 between the screw connection 10 and the intermediate part 14. This further rubber bearing 20 is in turn held with an inner part and an outer part.
  • the device of FIG. 6 sees a spiral spring 21 in addition to the rubber spring 6.
  • the spiral spring 21 is supported on the intermediate part 14 via a stop part 22. Otherwise, the joint 2 with the inner part 4 via the screw connection 10, the rubber spring 6 and the outer part 5 connected to mast 1 or mast foot 1 and axially movable relative to mast 1.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Springs (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Vibration Dampers (AREA)
EP89112253A 1988-07-15 1989-07-05 Mât d'une planche à voile Withdrawn EP0351642A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3824031A DE3824031A1 (de) 1988-07-15 1988-07-15 Mast fuer ein segelbrett
DE3824031 1988-07-15
DE3914453 1989-05-02
DE3914453A DE3914453A1 (de) 1988-07-15 1989-05-02 Mast fuer ein segelbrett

Publications (1)

Publication Number Publication Date
EP0351642A1 true EP0351642A1 (fr) 1990-01-24

Family

ID=25870124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89112253A Withdrawn EP0351642A1 (fr) 1988-07-15 1989-07-05 Mât d'une planche à voile

Country Status (2)

Country Link
EP (1) EP0351642A1 (fr)
DE (1) DE3914453A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029276A1 (de) * 1990-04-12 1991-10-17 Franz Schlittenbauer Mastfuss fuer windsurfriggs
WO1999026838A1 (fr) * 1997-11-25 1999-06-03 Chopshok Ltd. Co. Appareil de suspension de mat pour planche a voile
DE202009009589U1 (de) 2008-11-13 2010-04-08 Bitterolf, Ulrich, Dipl.-Ing. Stoßdämpfer für Windsurfbrett und Windsurfrigg
FR3096339A1 (fr) 2019-05-20 2020-11-27 Simon QUERE extension pour pied de mât de planche à voile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3300178A1 (de) * 1983-01-05 1984-07-05 GST Gesellschaft für Surftechnologie und -produktion mbH, 1000 Berlin Segeleinrichtung, insbesondere segelbrett
BE899692A (fr) * 1984-05-18 1984-11-19 Herstal Sa Dispositif amortisseur pour mat de planche a voile.
DE8634426U1 (de) * 1986-12-23 1987-07-23 Helpertz, Stefan, 5000 Köln Surfbrettstoßdämpfer
DE3629301A1 (de) * 1986-08-28 1988-03-10 Mistral Windsurfing Ag Segelbrett mit einem rigg
EP0259929A1 (fr) * 1986-09-12 1988-03-16 Koni B.V. Mâts pour planches à voile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3300178A1 (de) * 1983-01-05 1984-07-05 GST Gesellschaft für Surftechnologie und -produktion mbH, 1000 Berlin Segeleinrichtung, insbesondere segelbrett
BE899692A (fr) * 1984-05-18 1984-11-19 Herstal Sa Dispositif amortisseur pour mat de planche a voile.
DE3629301A1 (de) * 1986-08-28 1988-03-10 Mistral Windsurfing Ag Segelbrett mit einem rigg
EP0259929A1 (fr) * 1986-09-12 1988-03-16 Koni B.V. Mâts pour planches à voile
DE8634426U1 (de) * 1986-12-23 1987-07-23 Helpertz, Stefan, 5000 Köln Surfbrettstoßdämpfer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029276A1 (de) * 1990-04-12 1991-10-17 Franz Schlittenbauer Mastfuss fuer windsurfriggs
WO1999026838A1 (fr) * 1997-11-25 1999-06-03 Chopshok Ltd. Co. Appareil de suspension de mat pour planche a voile
US6032599A (en) * 1997-11-25 2000-03-07 Chopshok Ltd. Co. Suspension apparatus for a sailboard
DE202009009589U1 (de) 2008-11-13 2010-04-08 Bitterolf, Ulrich, Dipl.-Ing. Stoßdämpfer für Windsurfbrett und Windsurfrigg
DE102009052878A1 (de) 2008-11-13 2010-05-20 Bitterolf, Ulrich, Dipl.-Ing. Stoßdämpfer für Windsurfbrett und Windsurfrigg
FR3096339A1 (fr) 2019-05-20 2020-11-27 Simon QUERE extension pour pied de mât de planche à voile

Also Published As

Publication number Publication date
DE3914453A1 (de) 1990-11-08

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