EP0416978A1 - Einziehbare Leiter, um an Bord eines Schiffes zu gehen - Google Patents

Einziehbare Leiter, um an Bord eines Schiffes zu gehen Download PDF

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Publication number
EP0416978A1
EP0416978A1 EP90402373A EP90402373A EP0416978A1 EP 0416978 A1 EP0416978 A1 EP 0416978A1 EP 90402373 A EP90402373 A EP 90402373A EP 90402373 A EP90402373 A EP 90402373A EP 0416978 A1 EP0416978 A1 EP 0416978A1
Authority
EP
European Patent Office
Prior art keywords
ladder
housing
rung
ladder according
boat
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Withdrawn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
EP90402373A
Other languages
English (en)
French (fr)
Inventor
Bernard Perrin
Eric Perrot
Robert Rigaudeau
Marcel Guerry
Guy Charrier
André Kobus
Didier Bourniquel
Michel Rousse
Jean-Pierre Pilotto
Patrice Crepaud
Jean-Baptiste Cassard
Serge Cesbron
Yianis Mavrikios
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.)
JEANNEAU Ste
Original Assignee
JEANNEAU Ste
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 JEANNEAU Ste filed Critical JEANNEAU Ste
Publication of EP0416978A1 publication Critical patent/EP0416978A1/de
Withdrawn legal-status Critical Current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 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts

Definitions

  • the invention which relates to the equipment of boats relates more precisely to a retractable ladder for boarding, allowing people swimming next to the boat, to get back on board by their own means, in the best conditions of safety.
  • the boats are equipped with at least one ladder intended to be applied against the side of the ship so that people fallen into the water, or who swim around can go back on board without difficulty.
  • a folding ladder is provided which is added to the outside of the boat and which is operated from a bridge or a gunwale by at least one person who has remained on board.
  • this device has drawbacks. First in terms of safety, because the installation of this folding ladder depends on the person who remains on board who must - in the event of a fall into the water - be aware of the accident and know how to maneuver quickly said scale. Then its use is difficult, even dangerous for people who are in the water, when the ladder folds down.
  • the retractable ladder according to the invention which allows this type of maneuver, is easy to handle and has no hold in the storage position for the ropes used to maneuver the boat, nor for traps for the feet and legs of the users.
  • An object of the present invention therefore relates to a retractable ladder for going back on board a boat according to which, in the rest position, the entire ladder with the exception of its last rung, is housed and maintained inside a housing forming a receptacle, itself provided inside the hull of the boat and communicating with the outside of said hull through an orifice, said housing having at its orifice of stops opposing the total exhaust of the ladder when it is brought into the use position.
  • the last rung has a greater length than the others with an overhanging part on either side of its parallel uprights and in the rest position said overhanging part of the last rung bears against the stops reported on the outside of the shell and which themselves overflow on the orifice of the housing.
  • a clip intended to immobilize the ladder in the rest position is arranged inside and at the bottom of the housing and engages on the first rung.
  • the ladder is equipped, outside the uprights, with rollers facilitating its movement in the housing.
  • the upper part of the housing and its lower part form a recess at the orifice, relative to the shell, and at the level of the connection points between the housing and the shell, this the latter is internally provided with reinforcements in the high position and in the low position.
  • the scale visible in the drawings is formed by two parallel uprights 10 and a plurality of rungs 11.
  • the lower rung 12 completes the uprights and has a greater length than the others, with an overhanging part 13 on either side of the uprights.
  • the ladder In the rest position as shown in Figures 1 and 2, the ladder is held inside a housing 2, forming a relatively flat receptacle, of rectangular section which extends horizontally or substantially horizontally inside of the hull 3 of the boat in which it is integrated and hidden.
  • Said box 2 communicates with the outside via an orifice 15 provided in the hull 3 of the boat, an orifice of reduced size making it possible to reach the end of the ladder 10.
  • FIGS. 4 and 5 show the installation of such a box 2 inside the aft gunwale of a boat at the level of the cockpit floor 6.
  • FIG. 1 shows a certain setback between the upper part of the housing 2 and the lower part, with respect to the shell, recess whose role will be explained later.
  • the latter is internally provided with a reinforcement 7 in the high position and a reinforcement 8 in the low position.
  • the projecting part 13 of the last rung 12 bears against the stops 9 attached to the outside of the shell 3 and which project a little over the orifice 15 of the box 2, up to the uprights 10 of the ladder.
  • the scale 1 externally to the uprights 10, is equipped with rollers 14 intended to facilitate the movement of the scale in its housing and reduce friction and wear.
  • the scale 1 is at rest in the housing 2, and has on the outside only a discrete part necessary for its operation, namely its last rung 12.
  • This housing 2 protects the ladder from objects on the boat, as well as maneuvering ropes.
  • the housing also ensures watertightness, with respect to the interior of the boat.
  • Figure 3 shows the scale 1 in the use position. The swimmer can easily grasp the last rung 12 which is flush with the orifice 15 within reach, along the hull 3 and he can pull the ladder so that it escapes the clips 5 and emerges from the housing 2, the rollers 14 facilitating this movement. When the rollers come to bear against the stops 9, the ladder 1 can be inclined downwards and plunge into the water.
  • the last rung (s) are therefore submerged and accessible to the swimmer who can go up at least to the level of the housing 2 and from there access the deck of the boat or grasp other means of attachment.
  • the ladder is immobilized in this position by the stops 9 which prevent its complete escape and support it, the lifting efforts of the person being transmitted to the hull via the upper rung 11 provided with its rollers, since c 'is through this upper rung that the ladder is supported on solid parts of the hull.
  • This retractable ladder can be installed on small and medium-sized boats and ships such as pleasure or fishing vessels, both for safety and for leisure.
  • the interior of the housing 2 can be placed in communication for example with the bottom 4 of the cockpit 6; he then intervenes in the circuit self-emptying the cockpit of which it constitutes a link, the water flowing as shown in the arrow in Figure 5.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Ladders (AREA)
EP90402373A 1989-09-07 1990-08-28 Einziehbare Leiter, um an Bord eines Schiffes zu gehen Withdrawn EP0416978A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8911696A FR2651475B1 (fr) 1989-09-07 1989-09-07 Echelle escamotable de remontee a bord d'un bateau.
FR8911696 1989-09-07

Publications (1)

Publication Number Publication Date
EP0416978A1 true EP0416978A1 (de) 1991-03-13

Family

ID=9385211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90402373A Withdrawn EP0416978A1 (de) 1989-09-07 1990-08-28 Einziehbare Leiter, um an Bord eines Schiffes zu gehen

Country Status (2)

Country Link
EP (1) EP0416978A1 (de)
FR (1) FR2651475B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406904A (en) * 1992-09-04 1995-04-18 Yamaha Hatsudoki Kabushiki Kaisha Ladder and attachment for water ski
US6782840B1 (en) * 2003-02-19 2004-08-31 Garelick Mfg. Co. Compactable ladder for a boat
FR2878822A1 (fr) * 2004-12-02 2006-06-09 Noval Sarl Mecanisme d'escamotage d'une echelle de bain

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584704A (en) * 1969-09-24 1971-06-15 Chris Craft Ind Inc Boarding step for boats
FR2438578A3 (fr) * 1978-10-13 1980-05-09 Besenzoni Giovanni Ensemble combinable pontage-passerelle-echelle pour la poupe d'une embarcation
US4304189A (en) * 1979-10-25 1981-12-08 The United States Of America As Represented By The Secretary Of The Navy Telescopic launch and retrieval chute
US4733752A (en) * 1987-07-14 1988-03-29 Sklar Robert Z Extensible ladder for boats
US4738642A (en) * 1985-04-17 1988-04-19 Kawasaki Jukogyo Kabushiki Kaisha Slidable mounting board for small water craft
US4896744A (en) * 1988-10-11 1990-01-30 Crone John R Boat ladder and carrier assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584704A (en) * 1969-09-24 1971-06-15 Chris Craft Ind Inc Boarding step for boats
FR2438578A3 (fr) * 1978-10-13 1980-05-09 Besenzoni Giovanni Ensemble combinable pontage-passerelle-echelle pour la poupe d'une embarcation
US4304189A (en) * 1979-10-25 1981-12-08 The United States Of America As Represented By The Secretary Of The Navy Telescopic launch and retrieval chute
US4738642A (en) * 1985-04-17 1988-04-19 Kawasaki Jukogyo Kabushiki Kaisha Slidable mounting board for small water craft
US4733752A (en) * 1987-07-14 1988-03-29 Sklar Robert Z Extensible ladder for boats
US4896744A (en) * 1988-10-11 1990-01-30 Crone John R Boat ladder and carrier assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406904A (en) * 1992-09-04 1995-04-18 Yamaha Hatsudoki Kabushiki Kaisha Ladder and attachment for water ski
US6782840B1 (en) * 2003-02-19 2004-08-31 Garelick Mfg. Co. Compactable ladder for a boat
FR2878822A1 (fr) * 2004-12-02 2006-06-09 Noval Sarl Mecanisme d'escamotage d'une echelle de bain

Also Published As

Publication number Publication date
FR2651475B1 (fr) 1995-03-24
FR2651475A1 (fr) 1991-03-08

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