EP0153248A1 - Davit für Schiffe, insbesondere für die Zuwasserlassung und die Handhabung von Gegenständen, etwa eines Rettungsbootes - Google Patents

Davit für Schiffe, insbesondere für die Zuwasserlassung und die Handhabung von Gegenständen, etwa eines Rettungsbootes Download PDF

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Publication number
EP0153248A1
EP0153248A1 EP85400274A EP85400274A EP0153248A1 EP 0153248 A1 EP0153248 A1 EP 0153248A1 EP 85400274 A EP85400274 A EP 85400274A EP 85400274 A EP85400274 A EP 85400274A EP 0153248 A1 EP0153248 A1 EP 0153248A1
Authority
EP
European Patent Office
Prior art keywords
platform
boat
pivoting
arm
arms
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
EP85400274A
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English (en)
French (fr)
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EP0153248B1 (de
Inventor
Alain Zoonens
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.)
Zoonens Alain
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Zoonens Alain
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Publication date
Application filed by Zoonens Alain filed Critical Zoonens Alain
Publication of EP0153248A1 publication Critical patent/EP0153248A1/de
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Publication of EP0153248B1 publication Critical patent/EP0153248B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B23/00—Equipment for handling lifeboats or the like
    • B63B23/30—Devices for guiding boats to water surface
    • B63B23/32—Rigid guides, e.g. having arms pivoted near waterline

Definitions

  • the present invention relates to a davit device for boats, in particular for launching and supporting an object such as a lifeboat.
  • This device can be adapted to allow the attachment of the annex object under the platform and the latter can be pivotally mounted about a horizontal axis so that it can be raised in a position parallel to the transom of the boat, by substantially vertical example. In this position the tender will be out of the water.
  • the major drawback of such a known platform is to keep the tender, in the out-of-service position, in an overturned position or lying on its side, which means that the tender must first be emptied of all moving objects and d '' remove the engine to avoid, for example, the ingress of seawater into the cylinders through the overflow holes.
  • the tender must have a length, in a horizontal transverse direction relative to the boat, less than the horizontal width of the transom of the latter so as not to not protrude laterally from it and be exposed to swell.
  • the present invention aims to provide a davit device designed to avoid the aforementioned drawbacks of the known device.
  • the invention provides for this purpose a davit device which is characterized in that the platform is adapted to carry on its upper surface additional objects such as a lifeboat, and mounted on the boat, outside of the latter, movable in translation while being maintained in a substantially horizontal position, between an elevated position above the water and a low position, advantageously below the water level so as to allow the flotation of the additional object.
  • additional objects such as a lifeboat, and mounted on the boat, outside of the latter, movable in translation while being maintained in a substantially horizontal position, between an elevated position above the water and a low position, advantageously below the water level so as to allow the flotation of the additional object.
  • the platform is supported by at least one arm articulated to the platform in particular in the center of the latter and mounted pivoting at its other end to the boat, servo-motor means being provided to ensure the horizontal orientation of the platform during a pivoting movement of said arm.
  • the servo-motor means for orienting the platform advantageously consist of a hydraulic cylinder mounted between the platform and the means forming a pivoting arm and the means for controlling the pivoting of the arms are advantageously formed by other means with a hydraulic cylinder mounted between the arm means and the boat, the control means and the servo-motor means being adapted to cooperate so as to ensure the horizontal orientation of the platform.
  • a davit device 1 is mounted on the rear part of a boat 2.
  • the davit device 1 essentially comprises a platform 3 and two pivoting arms 4 for supporting the platform, control means 5 of the pivoting movement of the arms 4 and means 6 adapted to ensure the horizontal orientation of the platform 1, regardless of the angular position of the support arms 4.
  • the arms 4 each pivot in a vertical plane.
  • Each support arm 4 of the platform 1 is articulated at 7 to the exterior lower part of the boat 2, above its waterline, preferably at the transom 8 of the latter.
  • the free upper end of each arm 4 is articulated at 10 to the lower structure of the platform 1.
  • the articulation points 10 of the arms 4 to the platform 1 are located substantially in the middle of the platform, symmetrically with respect to the longitudinal axis of the boat.
  • the davit device is adapted so that the platform 1 is movable in translation between an extreme high position a above the water level 11 and an extreme low position b below level 11, while being kept in a horizontal position.
  • the support arms 4 are bent appropriately so that their upper parts articulated at 10 to the platform extend vertically and horizontally along that the platform is respectively in its raised position a or in its lower position b.
  • the control means 5 for pivoting the arms 4 can be produced in any suitable manner, but are advantageously formed by a hydraulic cylinder articulated at one end 12 at the transom 8 of the boat and by its other end, at 13, at a bar transverse 14 forming a spacer and extending between the two arms
  • the means 6 for holding in the horizontal position of the platform 1 are formed by a servo motor such as for example a hydraulic jack articulated by its body at 15 to the lower structure of the platform and by the end of its piston rod, in 16, to a crossbar 17 connecting the two arms 4.
  • the hydraulic cylinder 5 for controlling the pivoting of the arms 4 and the hydraulic cylinder 6 for holding the platform 1 in horizontal position are preferably automatically coordinated so as to ensure constantly the horizontal position of the platform.
  • the platform 1 has a shape and a size suitable for receiving a cradle 18 adaptable to any type of annex object, such as a lifeboat 20 illustrated in the figure, schematically in phantom lines.
  • the shape and size of the pivoting arms 4 are such that, in its extreme low position b, the platform is submerged to a depth sufficient to allow the launching and floating of the boat 20 as well as the setting on the cradle 18 of a floating boat 20.
  • the platform 1 In its extreme high position a, the platform 1 is located at a level higher than the level of the freeboard of the boat.
  • Two safety fastening devices 21, on either side of the longitudinal axis of the boat 2 can be provided to make the platform removably integral with the structure adjacent to the boat, when it is in its extreme position high a.
  • Each of the safety fastening devices 21 can be constituted for example by a yoke and tenon system respectively secured to the boat and the platform or vice versa and can be coupled by a locking pin.
  • the platform can be equipped with a distance from the control means 5, 6 and from a light signaling of its state and / or of its operation.
  • the invention has in particular the great advantage of allowing the navigation of a boat on the high seas in complete safety with regard to the annexed boat arranged in stern and also of being able to completely turn over the boat on its cradle during wintering or large crossing to prevent it from filling with rain or sea water.
  • the platform can also be used as a bathing and solarium platform as well as for other various uses, for example as a means of lifting or lifting or the like.
  • the platform can be located anywhere on a boat.
  • the support arms could be articulated to the platform, at its lateral sides and / or at its side adjacent to the boat. A single support arm could be sufficient for the support of the platform.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)
  • Toys (AREA)
  • Emergency Lowering Means (AREA)
  • Ladders (AREA)
EP85400274A 1984-02-17 1985-02-15 Davit für Schiffe, insbesondere für die Zuwasserlassung und die Handhabung von Gegenständen, etwa eines Rettungsbootes Expired EP0153248B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8402464 1984-02-17
FR8402464A FR2559732B1 (fr) 1984-02-17 1984-02-17 Dispositif bossoir pour bateaux notamment pour la mise a l'eau et le support d'un objet tel qu'une embarcation de sauvetage

Publications (2)

Publication Number Publication Date
EP0153248A1 true EP0153248A1 (de) 1985-08-28
EP0153248B1 EP0153248B1 (de) 1988-05-11

Family

ID=9301153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85400274A Expired EP0153248B1 (de) 1984-02-17 1985-02-15 Davit für Schiffe, insbesondere für die Zuwasserlassung und die Handhabung von Gegenständen, etwa eines Rettungsbootes

Country Status (8)

Country Link
US (1) US4627377A (de)
EP (1) EP0153248B1 (de)
AU (1) AU3890985A (de)
CA (1) CA1222909A (de)
DE (1) DE3562596D1 (de)
ES (1) ES284713Y (de)
FR (1) FR2559732B1 (de)
GR (1) GR850421B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19625155A1 (de) * 1996-06-24 1998-01-08 Klaus Friedrich Hubeinrichtung
US6474256B1 (en) * 2001-07-20 2002-11-05 Shore-Mate Industries, Inc. Dinghy lift
US6782842B1 (en) 2003-01-06 2004-08-31 Jeff Alvord Boat-lift systems and methods
BE1016348A4 (nl) * 2005-06-23 2006-08-01 Dredging Int Inrichting en werkwijze voor het zuigmondwisselen.
WO2011085503A1 (de) * 2010-01-13 2011-07-21 Mueller Peter A Tenderaufnahme

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964358A (en) * 1989-03-22 1990-10-23 Sandrow Martin S Small boat hoisting apparatus and method
US5020463A (en) * 1989-12-18 1991-06-04 Franklin Robert E Arrangement for raising or lowering boats or the like
US5140923A (en) * 1991-03-25 1992-08-25 Wood Kevin L Raising and lowering device
DE9103949U1 (de) * 1991-04-02 1991-07-25 Storms, Ernst, 5140 Erkelenz, De
HRP970121B1 (en) * 1997-02-28 2009-03-31 �aneti� Ton�i Hydraulic and gravity davit
US6047659A (en) * 1997-10-30 2000-04-11 Schmidt, Jr.; Anthony P. Mounting apparatus for a lift assembly
US6786170B2 (en) 2002-04-16 2004-09-07 David L. Trowbridge Boat lifting device
NO317543B1 (no) * 2002-09-05 2004-11-08 West Innovation Batheis og fremgangsmate for forenklet landing og sjosetting av en lettbat pa store stive merdkonstruksjoner eller pa brygger
FR2867446B1 (fr) * 2004-03-15 2007-06-22 Tenderlift Sarl Dispositif de commande du mouvement d'une plateforme attachee a la poupe d'un navire de plaisance permettant de deplacer verticalement une charge tout en la maintenant horizontale
US20080105186A1 (en) * 2005-05-10 2008-05-08 Sealift, Inc. Boat Lifting Apparatus and Method
WO2009006753A1 (de) * 2007-07-12 2009-01-15 Mueller Peter A Zwangssteuerung für wasserfahrzeugplattform
US7707955B1 (en) 2007-08-07 2010-05-04 Sealift, Inc. Transom platform lifting apparatus and method
DE102007058831B3 (de) * 2007-11-30 2009-03-12 Gerd Bär GmbH Hubladebühne für ein Wasserfahrzeug
US8061932B1 (en) * 2009-06-19 2011-11-22 Latham Robert P Hydraulic boat lift
US20110023770A1 (en) * 2009-07-31 2011-02-03 Control Solutions LLC Intelligent boat lift system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE91272C (de) *
DE162149C (de) *
US2349268A (en) * 1942-05-14 1944-05-23 Harrison C Hartzog Quick-acting launching device for boats and the like
US2398274A (en) * 1944-03-30 1946-04-09 Charles G Albert Device for launching and retrieving boats
DE1033075B (de) * 1956-07-25 1958-06-26 Donald T Adams Einrichtung zum Aus- und Einsetzen von Rettungsbooten in das Wasser

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671986A (en) * 1970-01-02 1972-06-27 Allen A Peters Apparatus and method for launching and recovering a small boat
US3675258A (en) * 1970-10-22 1972-07-11 Bradley M Osmundson Boat hoist
DE2941611A1 (de) * 1979-10-13 1981-04-23 Dyckerhoff & Widmann AG, 8000 München Transportfahrzeug fuer raumzellen, insbesondere stahlbetonfertiggaragen
NO140530C (no) * 1978-01-06 1979-09-19 Aukra Bruk As Fremgangsmaate og anordning for utsetting og innhivning av livbaat, pick-up baat, mindre undervannsbaat, samt oppfangning av mennesker og loese gjenstander i sjoeen
US4467894A (en) * 1982-01-15 1984-08-28 Anderson, Clayton & Co. Fluid power system
FR2527668A1 (fr) * 1982-05-26 1983-12-02 Poclain Sa Engin de terrassement a fleche, balancier et godet comportant un dispositif de commande de l'orientation du godet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE91272C (de) *
DE162149C (de) *
US2349268A (en) * 1942-05-14 1944-05-23 Harrison C Hartzog Quick-acting launching device for boats and the like
US2398274A (en) * 1944-03-30 1946-04-09 Charles G Albert Device for launching and retrieving boats
DE1033075B (de) * 1956-07-25 1958-06-26 Donald T Adams Einrichtung zum Aus- und Einsetzen von Rettungsbooten in das Wasser

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SCHIFF & HAFEN/KOMMANDOBRÜCKE, vol. 35, no. 8, août 1983, pages 75,76, Vetersen, DE; W. STECHER: "Überleben in Seenot - eine neuartige Aus- und Einsetzvorrichtung für Rettungsboote" *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19625155A1 (de) * 1996-06-24 1998-01-08 Klaus Friedrich Hubeinrichtung
US6474256B1 (en) * 2001-07-20 2002-11-05 Shore-Mate Industries, Inc. Dinghy lift
US6782842B1 (en) 2003-01-06 2004-08-31 Jeff Alvord Boat-lift systems and methods
BE1016348A4 (nl) * 2005-06-23 2006-08-01 Dredging Int Inrichting en werkwijze voor het zuigmondwisselen.
WO2007014440A1 (en) * 2005-06-23 2007-02-08 Dredging International N.V. Device and method for changing a suction mouth
US7793441B2 (en) 2005-06-23 2010-09-14 Dredging International N.V. Device and method for changing a suction mouth
AU2006275322B2 (en) * 2005-06-23 2011-06-16 Dredging International N.V. Device and method for changing a suction mouth
WO2011085503A1 (de) * 2010-01-13 2011-07-21 Mueller Peter A Tenderaufnahme
US8931427B2 (en) 2010-01-13 2015-01-13 Peter A. Mueller Safety tender lift

Also Published As

Publication number Publication date
FR2559732B1 (fr) 1988-01-22
AU3890985A (en) 1985-08-22
GR850421B (de) 1985-06-18
EP0153248B1 (de) 1988-05-11
ES284713U (es) 1985-09-01
US4627377A (en) 1986-12-09
CA1222909A (en) 1987-06-16
FR2559732A1 (fr) 1985-08-23
DE3562596D1 (en) 1988-06-16
ES284713Y (es) 1986-05-01

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