EP3461733B1 - Passerelle télscopique rétractable pour l'embarcation ou débarcation des personnes - Google Patents

Passerelle télscopique rétractable pour l'embarcation ou débarcation des personnes Download PDF

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Publication number
EP3461733B1
EP3461733B1 EP18196203.6A EP18196203A EP3461733B1 EP 3461733 B1 EP3461733 B1 EP 3461733B1 EP 18196203 A EP18196203 A EP 18196203A EP 3461733 B1 EP3461733 B1 EP 3461733B1
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EP
European Patent Office
Prior art keywords
platform
gangway
upright
gripping
tubular rod
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EP18196203.6A
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German (de)
English (en)
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EP3461733A1 (fr
Inventor
Giorgio Besenzoni
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B FINANCIAL Srl
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B FINANCIAL Srl
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Publication of EP3461733A1 publication Critical patent/EP3461733A1/fr
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    • 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
    • B63B27/143—Ramps
    • 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
    • B63B2027/141—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts telescopically extendable

Definitions

  • the present invention relates to the nautical sector and, in particular, concerns a telescopic gangway (or otherwise known as "multi-stage” one, to be understood as walkway platforms telescopically coupled each other), as well as of the retractable (or even re-entrant) type, used for the access (or, in other words, the ascent) and/or the descent of people to/from moored boats.
  • a telescopic gangway or otherwise known as "multi-stage” one, to be understood as walkway platforms telescopically coupled each other
  • the retractable (or even re-entrant) type used for the access (or, in other words, the ascent) and/or the descent of people to/from moored boats.
  • the automatic retractable (or re-entrant) telescopic gangway object of the invention presents a safety of use greater than the telescopic gangways of equivalent use of the prior art and is suitable to be installed on a boat so as to remain suitably contained in a housing made in the hull of the boat itself (thus being almost totally hidden from view) when it takes the rest or non-use condition, for example during navigation.
  • the pedestrian structures of landing in boats are technical accessories (also of removable or transportable type) for boating which, in operating or use conditions, take a horizontal or slightly inclined position and join two separate stations, allowing people to simply walk of ascent or descent with respect to the boat or to transport objects between the boats and the wharf.
  • the telescopic gangways referred to in the present invention include a walkable transit platform composed of a plurality (generally two or three) of longitudinal support elements, telescopically coupled each other and each having a rectangular profile, according to a top plan view.
  • the walkable transit platform of a telescopic gangway presents, as a whole, a width such that to allow the passage of only one person and a length that allows to get on or to get off the boat, when moored at a given distance from wharfs, docks or piers of ports or landing areas to the mainland, in conditions of ample comfort and high and however satisfactory safety.
  • the retractable telescopic gangways of known type present several construction conceptions, different each other by type and mutual coupling of the component elements which in turn are made using increasingly sophisticated and carefully designed materials also in the boating industry both in terms of performance and in terms of aesthetic point of view, and this inevitably as a result of the high value or quality of the boats in which they are intended to be installed.
  • Choice of construction materials is based, indeed, on assessments of not only technical and functional but also and increasingly aesthetic profile: particularly, stainless steels, light anti-corrosion alloys, tempered glass, precious woods such as teak and/or technological polymers are more and more used to significantly increase the technical features and aesthetic qualities of the pedestrian landing structures concerned and thus satisfy the notoriously demanding and detailed requirements of the shipowner or in any case of the nautical sector market.
  • the retractable telescopic gangways of known type are operated in a predominantly automatic manner, meaning that the telescopic movement of the transit platforms and of the metallic vertical gripping and/or support uprights associated therewith (better known in the nautical sector as “candlesticks") takes place through actuation means (of various construction conception and generally of hydraulic type) operated and managed by a central processing and control unit available to the user (the owner, the skipper or another reliable person authorized for the purpose) on board the boat.
  • Each vertical upright (or candlestick) is connected with the other by a rope, maritime term used to indicate generically a cord or cable made of vegetable or synthetic fiber: the combination of various candlesticks and the various ropes forms a sort of rail on the gangway, that is a kind of railing or parapet protecting from falls during the transit of people.
  • a typical retractable and automatic telescopic gangway of the prior art thus includes a main transit platform which mainly develops along a longitudinal axis and defines a first upper floor plan, and at least one auxiliary transit platform, telescopically and axially coupled with the main platform, operatively connected with actuation means which, when driven, automatically and selectively position it between a rest position, in which the auxiliary platform is contained in the overall dimensions defined by the main footing, and an operating position in which the auxiliary platform projects axially from the main platform and defines a second upper floor plan, which thus constitutes an axial appendage of the first upper floor plan together with it is accessible to the user.
  • a retractable and automatic telescopic gangway of the known type comprises a plurality of gripping uprights, coupled with at least one of the side edges of the main platform and of the auxiliary platform and configured to be to be selectively and automatically placed between a passive position, in which the gripping uprights are in non-operative conditions and arranged, generally horizontally, along a first linear direction parallel to the longitudinal axis of the main platform, and an active position, in which the gripping uprights are in operative conditions and protrude upwardly, generally vertically, from at least one of the side edges of the main platform and of the auxiliary platform along a second linear direction defining a substantially right angle with the longitudinal axis of the main platform, so as to be available for the grip of the user's hand and to help to provide a safety and support railing during the passage of the user on the upper decking surfaces of the transit platforms.
  • the gripping uprights integral with the transit platforms of the same pass from the passive position to the operating position and vice versa due to the presence of the ropes which connect them each other and which, in turn, are attached to at least one of the side edges of the transit platforms.
  • those ropes which define the isosceles sides of such a virtual perimetrical trapezium are placed near the front and rear part of the automatic retractable telescopic gangway and are, therefore, the first ones to be challenged by people during the ascent on board of the boat and the descent from it.
  • Such a front gripping candlestick allows people to access (and of course leave) the boats themselves in a more practical, safer and more comfortable way than the gangways of the more traditional type, totally devoid of front uprights, thus limiting with respect to the latter the risks of accidental and dangerous fall of people or allowing the walkway of people on the transit platforms of these pedestrian facilities in greater serenity and tranquility, without especially the necessary assistance of the crew and/or of staff present on the quay.
  • the fact of delegating the movement of the gripping uprights properly to the ropes or cords determines the need to provide for them a certain thickness (not lower than 15 mm) which impacts on the overall dimensions of the article especially when the gripping uprights themselves are located in passive position and, in return, the gangway is in non-operative conditions.
  • the retractable and automatic telescopic walkways of the prior art of the type described above present the drawback that, when the candlesticks take the active position and the auxiliary platform the operating position (such that the gangway, in its complex, take the operative conditions and is available for use), the tensioning of the ropes is not optimal and in any case it is not immediately effective, requiring manual intervention by the operator to reach the maximum achievable, in the tensioning of the ropes.
  • a last but not least drawback suffered by the known retractable and automatic telescopic gangways derives from the fact that the gripping uprights, when they are in active position, are not perfectly stable in a substantially vertical position.
  • the present invention therefore intends to overcome the drawbacks of the known art just shown.
  • primary purpose of the present invention is to provide a retractable and automatic telescopic gangway for getting on and/or getting off moored boats of persons which allows to reduce the overall dimensions of the ropes with respect to the equivalent gangways of the prior art.
  • a second purpose of the invention is to give substance to a retractable telescopic gangway for getting on and/or getting off moored boats of persons which constitutes a more linear and more harmonious solution, and therefore presents a better aesthetic effect, with respect to similar gangways of known type.
  • the retractable and automatic telescopic gangway of the present invention comprises ropes of a maximum thickness of 10 mm, thus having overall dimensions smaller than those ones of the ropes installed on retractable telescopic gangways of known type.
  • the retractable and automatic telescopic gangway comprises a composite control rod, operatively connected through means of fulcrum with the gripping uprights of at least one of the side edges of the main platform and of the auxiliary platform and partly coupled with the main board and partly with the auxiliary plaftomr in such a way that the actuation means simultaneously and indirectly position, by means of the control rod and the fulcrum means, the gripping uprights (or candlesticks) between the active position and the passive position while moving the telescopic auxiliary platform between the rest position and the operating position.
  • the handling of the pick-up candlesticks is determined not so much by the ropes, as in the prior art, but by a control rod integral at least to the movable auxiliary telescopic platform coupled with the main transit platform which, preferably, remains fixed as soon as the gangway of the invention comes out from the dedicated room, made in the boat where it is housed when not necessary for use.
  • This aspect allows, on one hand, to install less cluttered ropes and, on the other hand, to install even a single rope (connecting it with the upper free end of the gripping uprights), since this presents purely the function of contributing, together with the gripping uprights themselves, to create the safety railing when the telescopic gangway is in operative conditions.
  • the retractable and automatic telescopic gangway of the invention presents a more linear, more harmonious, more homogeneous aesthetic effect than the retractable telescopic walkways of the prior art, marked by a greater number of ropes variously inter-crossed in order to move the gripping uprights in motion.
  • the telescopic gangway of the invention also comprises a front (or head or peak) gripping upright and/or, even more preferably, also a rear gripping upright (or tail), operatively connected with the control rod.
  • front and rear gripping uprights allow to eliminate the inclined and tensioned ropes (as a result of the achievement of the active position by the gripping uprights) to form the typical linear ramps which constitute the oblique sides of the virtual isosceles trapezium previously introduced, typical of the retractable and automatic telescopic gangways of the prior art.
  • the retractable and automatic telescopic gangway of the present invention tensions the ropes (which contribute to form the safety railing) in an optimal manner and in any case to a greater extent than the known telescopic gangways, when the gripping uprights (or candlesticks) take the active position.
  • the retractable and automatic telescopic gangway of the present invention involves the aforementioned optimum and/or ameliorative tensioning of the ropes in an immediate, automatic and controlled manner together with the lifting, exit or rotation opening of the gripping uprights, without requiring no manual intervention by the operator.
  • the gripping uprights (or candlesticks) installed in the automatic retractable telescopic gangway of the invention are decidedly stable and fixed in position and the task of support elements of the safety parapet is therefore entrusted to them - rather than to the ropes as it traditionally occurs in the known art -, having mechanical resistance to traction and to thrust higher than that one found in the equivalent telescopic gangways of the prior art: this still depends on the innovative and significant presence, in the telescopic gangway of the invention, of the control rod operatively connected through fulcrum means to the gripping uprights of at least one of the side edges of the main platform and of the auxiliary platform, with both of which is coupled.
  • the retractable telescopic gangway of the invention allows to effectively guarantee the regulatory height (not less than 1 meter) provided for them by the MCA (Maritime and Coast-Guard Agency) regulations.
  • MCA Maritime and Coast-Guard Agency
  • the retractable and totally automatic telescopic gangway (at least in its essential components) of the invention, used for getting on and/or getting off moored boats (not shown), such as yachts or pleasure yachts, of persons, is illustrated in figure 1 where it is globally numbered with 1.
  • retractable telescopic walkway 1 for getting on and/or getting off moored boats of persons comprises:
  • the retractable and automatic telescopic walkway 1 includes a composite control rod, as a whole numbered with 8, operatively connected through fulcrum means, generally indicated with 9, with the gripping uprights 7 of one of the side edges 2a, 2b, 4a, 4b of the main platform 2 and of the auxiliary platform 4 and coupled partly with the main platform 2 and partly with the auxiliary platform 4 in such a way that the actuation means 5 position both simultaneously and indirectly, that is through the control rod 8 and the fulcrum means 9, the gripping uprights 7 between the active position and the passive position while the actuation means 5 themselves move the auxiliary platform 4 between the rest position and the operating position.
  • the telescopic gangway 1 of the invention is suitably housed in a dedicated room usually made at stern of the boat.
  • the control rod 8 is hidden from view as it is located below the first floor plan 3 and the second floor plan 6 (thus being contained in the at least partly box-like structure of the transit platforms 2 and 4) and presents a predominantly tubular structure (with a square profile, for example).
  • control rod 8 presents an axial length lower than the sum of the length of the main transit platform 2 and the length of the auxiliary transit platform 4.
  • the actuation means 5 cooperate, as said, indirectly, that is by means of the movement of the auxiliary transit platform 4, with the control rod 8 so as to make it sliding alternately between a retracted position (for example inside the aforesaid dedicated room made at stern of the boat), defined when the auxiliary platform 4 takes the rest position, and a fully projecting position, defined at least when the auxiliary platform 4 takes the operating position and the telescopic gangway 1 is definitively in the operative conditions of figure 1 .
  • a retracted position for example inside the aforesaid dedicated room made at stern of the boat
  • a fully projecting position defined at least when the auxiliary platform 4 takes the operating position and the telescopic gangway 1 is definitively in the operative conditions of figure 1 .
  • the control rod 8 is, in this case, of the composite type and includes a primary tubular service rod 10 operatively connected with the main transit platform 2 and a driving tubular running rod 11, operatively connected with the auxiliary transit platform 4 and arranged at least partly superiorly close the primary tubular rod 10 both in the rest position and in the operating position of the auxiliary platform 4, to which correspond, respectively, the retracted position and the fully projecting position of the control rod 8 just defined above.
  • the driving tubular rod 11 is axially slidable of relative motion with respect to the primary tubular rod 10 integrally with the auxiliary platform 4 during the axial telescopic motion of exit and return of the auxiliary platform 4 with respect to the main platform 2: in any case, the axial sliding of the driving tubular rod 11 stops before the axial telescopic movement of the auxiliary platform 4 stops, as it will be further explained.
  • the primary tubular service rod 10 remains fixed in the initial position and this, in particular, at least until the front gripping upright 20 passes from the passive position to the active position, as a result of the thrust exerted by actuation means 5 on the auxiliary transit platform 4, as it will be hereinafter detailed in depth.
  • the driving tubular running rod 11 is almost totally superimposed to the primary tubular service rod 10 in the rest position of the auxiliary platform 4 while, followed by its axial sliding along the longitudinal axis Z, the driving tubular running rod 11 almost totally protrudes from the primary tubular service rod 10 in the operating position of the auxiliary platform 4, remaining anyway superimposed to the primary tubular rod 10 for an inner end 11a, as highlighted in figure 4 .
  • the driving tubular rod 11 is made integral with the primary tubular rod 10 by means of a shaped bracket 12, better visible in figures 5 , 8 and 9 and supporting the intermediate fulcrum means 9: such a shaped bracket 12 is provided with folded ends 12a, 12b joined, for instance by welding, to the outer lateral wall 10c of the primary tubular rod 10 at a first end 10a of the primary tubular rod 10 itself.
  • the shaped bracket 12 defines an axial seat 13 in which the driving tubular rod 11 is slidable.
  • the shaped bracket 12 presents a substantially U-shaped profile and is provided with a reinforcing insert 14 made of a material with a low friction coefficient (such as for example aliphatic polyamide also known by the commercial name of nylon) contained inside the axial seat 13, where it is arranged superiorly close, in sliding contact, to the outer upper surface 11c of the driving tubular rod 11, and inferiorly close to the inner face 121e of the head wall 12e of the shaped bracket 12, and coupled with two side plates 12c, 12d opposite each other of the shaped bracket 12 through first fastening means, generally indicated with 15.
  • a reinforcing insert 14 made of a material with a low friction coefficient (such as for example aliphatic polyamide also known by the commercial name of nylon) contained inside the axial seat 13, where it is arranged superiorly close, in sliding contact, to the outer upper surface 11c of the driving tubular rod 11, and inferiorly close to the inner face 121e of the head wall 12e of the shaped bracket 12, and coupled with two side plates 12c, 12d opposite
  • the first fastening means 15 are of the type per se known to the ma skilled in the art, consisting for example in a pair of spaced apart and parallel nut screws 18 made in said reinforcing insert 14, in which a pair of screws 16 engages after their passage in a pair of through side holes 17 made in the lateral lamina 12d of the shaped bracket 12 and coaxial to the respective nut screws 18 of the reinforcing insert 14.
  • the sliding reinforcing insert 14 having just at preferred title the shape of a parallelepiped with two beveled vertices, presents multiple functions, among which:
  • the telescopic gangway 1 of the invention also comprises first axial end-of-stroke means, generally indicated with 19, cooperating with the driving tubular rod 11 before a front gripping upright 20 passes from the passive position to the active position, in such a way as to:
  • Figure 9 shows in particular how the locking plug 21 is inserted into a first through side opening 23, made in said driving tubular rod 11, as well as in a second through side opening, not visible in the attached figures, made in the driving tubular rod 11 and coaxially opposed to the first through side opening 23: it follows that the locking plug 21 protrudes from symmetrically opposed parts from the driving tubular rod 11.
  • the driving tubular rod 11 is coupled with the auxiliary transit platform 4 through first catching means, as a whole numbered with 24 visible partly at figures 4 and 6 and with complete detail to figures 12-18 , and cooperating with the front fulcrum means 9 in order to allow to arrange the front gripping upright 19, which belongs to the plurality of firstly defined gripping uprights 7, selectively between the active position and the passive position.
  • the first catching means 24 are arranged partly at the outer end 11b of the driving tubular rod 11 and partly at the front portion 25a of a bearing tubular element 25 (shown in figure 7 ) belonging to the auxiliary transit platform 4 and hidden from view as it is positioned beneath the second upper floor plan 6.
  • the first catching means 24 include:
  • the transverse mandrel 29 is thus free to slide at least partly inside the through slots 32, 33 in the passage of the front upright 20 from the passive position to the active position and vice versa, remaining close to a first arched wall 34, 35 defined at a first end of each of the through slots 32, 33 either when the front upright 20 takes the passive position or when it takes the active position, due to the rotation of 90° of the front fulcrum means 9 supporting it and, accordingly, of the shaped fins 32, 33 around a first rotation axis X parallel to the second linear axis X 2 : what just been said about the active and passive position of the front upright 20 can be derived in detail from figures 16-18 .
  • first catching means 24 cooperate with first angular end-of-stroke means, overall indicated with 36, partly associated with the front fulcrum means 9 and partly with the auxiliary transit platform 4 and suitable to stop the 90° rotation of the front gripping upright 20 in its passage from the passive position to the active position and vice versa.
  • first angular end-of-stroke means 36 are visible still in figures 12-18 and comprise for example:
  • the laminar vane 37 interferes with the transverse pin 38 by means of its own flat face 37a to stop the closing (or re-entering) rotation downwardly of the front gripping upright 20 and to define for the latter the aforesaid passive position (see figure 16 ), while the shaped fins 26, 27 interfere with the transverse pin 38 by means of their own flat lateral edge 26a, 27a to stop the opening (or exit) rotation upwardly of the front gripping upright 20 and define for the latter the active position (see figures 17 and 18 ).
  • the primary tubular service rod 10 cooperates with pre-loaded elastic recovery means, visible in figures 2-6 , 10 and 11 where they are generally marked with 39, coupled with a second end 10b of the primary tubular rod 10 to counteract the thrust exerted by the actuation means 5 on the auxiliary platform 4 and, consequently, on the driving tubular rod 11 and thus keep the primary tubular rod 10 itself fixed at the initial position while the driving tubular rod 11 moves, integrally with the axial telescopic movement of exit of the auxiliary platform 4 from the main platform 2 impressed by the thrust of the actuation means 5, of relative motion with respect to the primary tubular rod 10.
  • the pre-loaded elastic recovery means 39 comprise a pair of helical springs 40, 41 suitably sized and arranged parallel and spaced apart each other, each of them being provided with:
  • the pre-loaded elastic recovery means could be of different type from that one just described (also a tubular element made of elastomeric material, suitably sawthoothed in its surface performs, indeed, for instance, the same function as an helical spring).
  • the pre-loaded elastic recovery means could include a number of helical springs different from that one indicated above and visible in the following figures, this number being able to vary according to the constructive choices starting from one.
  • first hooking means 42 and the second hooking means 45 are of the type per se known to the man skilled in the art and it does not dwell excessively on them, being however their preferred solution clearly visible not only in the figures mentioned above but also in figures 32 and 33 .
  • the primary tubular rod 10 is coupled with the main transit platform 2 through axial sliding means, generally indicated with 48 and visible particularly in figures 5 , 7-9 and 11 , hidden from view since contained into the main platform 2, suitable to make the primary tubular rod 10 movable or sliding along the longitudinal axis Z for a final length lower than the length of axial sliding (or the length of the distance travelled with relative motion with respect to the primary tubular rod 10) of the driving tubular rod 11.
  • axial sliding means generally indicated with 48 and visible particularly in figures 5 , 7-9 and 11 , hidden from view since contained into the main platform 2, suitable to make the primary tubular rod 10 movable or sliding along the longitudinal axis Z for a final length lower than the length of axial sliding (or the length of the distance travelled with relative motion with respect to the primary tubular rod 10) of the driving tubular rod 11.
  • This final length is within the range of values equal to 90 ⁇ 150 mm and is travelled by the primary tubular bar 10 when:
  • the axial sliding means 48 are coupled with the inner bottom 2c of the main platform 2 by means of second fastening means, generally numbered with 49.
  • the axial sliding means 48 comprise:
  • Each of the sliding blocks 50 is advantageously inserted by sliding into the respective through linear groove 51 starting from a through auxiliary groove 52, adjacent to the through linear groove 51 with respect to which it has a greater width and a shorter length, as better illustrated figure 8 : this is useful during assembly phase, allowing to ease the coupling system of the sliding blocks 50 with the primary tubular rod 10.
  • each of the sliding blocks 50 is made of polymeric material with a low coefficient of friction and high mechanical strength (for instance POM, acronym of polyoxymethylene) and is stably kept into the primary tubular rod 10 by support and guide means, overall numbered with 53.
  • POM acronym of polyoxymethylene
  • these support and guide means 53 include in this case, by way of pure non-limiting example:
  • the axial sliding means could provide a number of sliding blocks different from that one previously indicated and visible in the attached figures, such a number being able to vary depending on the design choices starting from one.
  • the tubular primary rod 10 is coupled with the main transit platform 2 also through third catching means, overall indicated with 58, cooperating with the intermediate fulcrum means 9 in order to allow to position an intermediate gripping upright 59, belonging to the plurality of gripping uprights 7, selectively between the active position and the passive position.
  • third catching means overall indicated with 58, cooperating with the intermediate fulcrum means 9 in order to allow to position an intermediate gripping upright 59, belonging to the plurality of gripping uprights 7, selectively between the active position and the passive position.
  • the third catching means 58 are arranged partly near a terminal part 12f of the shaped bracket 12 and partly at a first perimetrical edge 60a of an intermediate plate 60 operatively connected with the intermediate fulcrum means 9, as it is derived by combining figures 6 , 8 and 9 .
  • the third catching means 58 include:
  • the actuation pin 61 slides inside the guide notch 62 while the intermediate upright 59 passes from passive position to active position and vice versa and is:
  • figures 19-24 show that the guide notch 62 has a profile substantially in the shape of a rectangular trapezoid, in which the lower base is arched, one of the vertices of the major base is convex and the other vertex of the major base presents a sharp edge 64.
  • the actuation pin 61 enters into contrast with the sharp edge 64 (from which the aforesaid first inclined outwardly-and-upwardly divergent surface 63 originates) at exactly the moment when the driving tubular rod 11, nearly totally raised thanks to the action of the first catching means 24, exerts on the driving tubular rod 11 (under the continuous thrust of the actuation means 5 on the auxiliary platform 4) a traction force which exceeds the opposing force exerted by the pre-loaded elastic recovery means 39 on the tubular primary rod 10 and axially drags the intermediate constructive block B formed by
  • the actuation pin 61 progressively enters the guide notch 62 of the intermediate plate 60 by sliding against the first inclined surface 63 and causing the intermediate gripping upright 59 to exit (or open) by counterclockwise rotation upwardly.
  • the third catching means 58 act as second axial end-of-stroke means for the primary tubular rod 10 since they stop the axial sliding of the tubular primary rod 10 itself along the longitudinal axis Z (after the latter has travelled the final length of 90 ⁇ 150 mm), while the auxiliary platform 4 is still telescopically extending from the main platform 2 to pass from the rest position to the operating position, simultaneously with the beginning of rotation of the intermediate upright 59 at the end of which it takes the active position (shown in figures 25 and 26 ) starting from the passive position (shown in figures 23 and 24 ).
  • the third catching means 58 cooperate with second angular end-of-stroke means, generally indicated with 65, partly associated with the third catching means 58 and partly with the main transit platform 2 and suitable to stop the 90° rotation of the intermediate gripping upright 59 in its passage from the passive position to the active position and vice versa.
  • the second angular end-of-stroke means 65 are still visible in figures 19-26 and comprise for example:
  • the squared tooth 66 mechanically interferes (almost by interlocking) with the inner bottom 2c through its own external flat face 66a to stop the closing/re-entering rotation downwardly of the intermediate gripping upright 59 and to define for it the passive position, while the flat wall 67 interferes with the inner bottom 2c to stop the opening/exit rotation upwardly of the intermediate gripping upright 59 and to define the active position for the latter.
  • the second catching means 43 couple the tubular primary rod 10 with the main platform 2 and are arranged partly at the second end 10b of the tubular primary rod 10 and partly at the lower end 44a of the rear gripping upright 44.
  • the second catching means 43 include:
  • the rotary-translational transverse peg 68 slides idle and controlled inside the through loophole 70 when the rear gripping upright 44 passes from the passive position to the active position and vice-versa, due to the 90° rotation around a second rotation X' axis parallel to said fifth linear axis X 5 .
  • the roto-translational transverse peg 68 is provided with a free end 68b, opposed to the bounded end 68a, projecting laterally from the shaped rear plate 69 on the opposite side of the bounded end 68a and provided with locking means, generally indicated by 74 and comprising, for example, a retaining nut 75 and a thickening washer 86, suitable for stably coupling the transverse peg 68 with the shaped rear plate 69.
  • the second catching means 43 cooperate with third angular end-of-stroke means, as a whole numbered with 76, defined in the second catching means 43 and suitable to stop the 90° rotation around a second rotation X' axis of the rear gripping upright 44 in its passage from the passive position to the active position and vice versa.
  • the third angular end-of-stroke means 76 comprise:
  • the roto-translational peg 68 engages, on one side, the first concave wall 77 to stop the closing/re-entering rotation of the rear gripping upright 44 and define for the latter the passive position, while the roto-translational transverse peg 68 engages, on the other side, the second concave wall 78 to stop the opening/exit rotation of the rear gripping upright 44 and define for the latter the active position.
  • Figures 32 and 33 show that the shaped rear plate 69 has a substantially rectangular profile in which the lower greater side 69a is totally linear and is welded on the upper wall 10g of the primary tubular rod 10, while the upper greater side 69b is only partly linear, being curvilinear for almost half of its length (where the section of the shaped rear plate 69 is reduced) starting from a lateral height 69c; the through loophole 70 extends in length following such a profile of the upper greater side 69b and in proximity thereof, without affecting the central area 69d of the shaped plate 69.
  • the arched, almost sinusoidal (therefore soft and sweet), profile of the through loophole 70 made in the shaped rear plate 69 allows the lifting (or opening) and the controlled return (or closing) of the rear gripping candlestick 44, with the evident advantages that this entails, such as avoiding sudden and noisy impacts between the rear candlestick 44 and the main platform 2.
  • the second catching means 43 (in this case, particularly, the shaped rear plate 69) comprise third axial end-of-stroke means, as a whole indicated with 79 and adapted to counteract the relative motion of the driving tubular rod 11 with respect to the primary tubular rod 10 when the front gripping upright 20 is in the passive position and the auxiliary transit platform 4 passes from the operating position to the rest position telescopically returning into the main transit platform 2.
  • the third end-of-stroke means 79 are extremely useful in the case where, due to the presence of encrustations, saltiness or other impurities (not unusual in the marine environment) which penetrate into the telescopic gangway 1 of the invention, the driving tubular rod 11 difficulty returns to the retracted position, in which it is totally above the primary tubular rod 10, and moves axially in an irregular manner: in this case, the front candlestick 20 cannot descend or close downwardly and remains still projecting upwardly, in an inclined position.
  • the third axial end-of-stroke means 79 are arranged, inside the main platform 2, in a position such that the driving tubular rod 11 interferes with them before the auxiliary platform 4 is completely telescopically retracted into the main platform 2 (for example, when 5 cm still lack to the telescopic complete re-enter of the auxiliary platform 4 into the main platform 2): this is just this interference between the driving rod 11 and the third axial end-of-stroke means 79 that advantageously generates the downwardly remaining rotation of the front candlestick 20 suspended inclined due to the presence of dirt or impurities of various types.
  • the third axial end-of-stroke means 79 preferably comprise a front linear (basically vertical) wall 80 (coinciding with the lateral height 69c) of the shaped rear plate 69 and a back strike surface 11e of the driving tubular rod 11 which, in its retracted position, contrasts against such a linear wall 80 of the shaped rear plate 69.
  • the front linear wall 80 belongs to the truncated left height of the substantially (though not completely) rectangular profile of the shaped rear plate 69.
  • the fulcrum means 9 associated with the various gripping uprights (candlesticks) 7 of the telescopic gangway 1 of the invention namely to the front gripping upright 20, to the intermediate gripping upright 59 and to the rear gripping upright 44, comprise:
  • the intermediate plate 60 and the eccentric body 71 coincide with the spacer block just introduced, also exploiting its function.
  • FIGS. 34-41 illustrate the operating sequence preferably followed by the automatic retractable telescopic gangway 1 of the invention for positioning in its operative conditions, ready to be used, starting from the non-operative conditions in which it is generally housed in a dedicated room made at aft of a boat.
  • the retractable telescopic gangway 1 of the present invention presents a functioning managed by a central processing and control unit (not shown in the attached figures) available to the operator, electrically connected with the actuation means 5 which can be indifferently of hydraulic, pneumatic or electric type (such as an electric motor).
  • the gripping uprights (or candlesticks) 7 are substantially one above the other, in horizontal position, and precisely - following an order of numbering from bottom to top - the intermediate upright 59 is the first, the rear upright 44 is the second and the front upright 20 is the third and last (i.e. that one placed above the other two): therefore, inevitably, the front upright 20 is the first one to be lifted or opened, as well as the last to be lowered or closed.
  • the rear upright 44 is the second one to be moved in rotation (both in opening and closing) and the intermediate upright 59 is the last one to be lifted or opened, as well as the first one to be lowered or closed.
  • the second gripping upright which is moved in rotation could be the intermediate upright while the last upright that is raised or opened, as well as the first one that is lowered or closed, could be the rear upright: what remains constant is the opening movement and closing movement of the front upright, which respectively precedes and follows always those ones of the other two.
  • the front gripping upright 20 doesn't rise (doesn't open), by rotating counterclockwise upwardly, and remains in the passive position until the axial sliding motion of the driving tubular rod 11 (which, it is recalled, is integral with the auxiliary platform 4) is not stopped by the first axial end-of-stroke means 19 and thus the first catching means 24, associated with the front part (or tip) 4e of the auxiliary platform 4, start operating.
  • the driving rod 11 begins axially dragging the intermediate construction B block outwardly (as said, formed by shaped bracket 12, reinforcing insert 14, first axial end-of-stroke means 19, third catching means 58) as well as the primary tubular rod 10 and the main platform 2 made integral with it by the axial sliding means 48: in getting this operation, it follows therefore that the thrust of the actuation means 5 exceeds or overcomes the opposing force of the pre-loaded elastic recovery means 39.
  • the actuation pin 61 of the third catching means 58 begins to approach the sharp edge 64 of the guide notch 62 made through in the thickness of the intermediate plate 60 and, in this case, the pre-loaded elastic recovery means 39 (whose return force has been overcome by the thrust of the piston 87 of the actuation means 5) has to allow the second catching means 43 (and particularly the eccentric body 71) starts lifting (or opening) the rear gripping upright 44 through a clockwise rotation thereof around the third axis.
  • the progressive exit of the auxiliary platform 4 continues to cause the dragging of the intermediate constructive block B up to the point where - figure 38 - the actuation pin 61 touches the sharp edge 64 causing the axial sliding of the primary rod 10 (and with it, of the main platform 2) to stop and, in turn, the entry of the actuation pin 61 itself into the guide notch 62 and the counterclockwise rotation not only of the intermediate plate 60 but also of the intermediate gripping upright 59 around the third rotation axis X" defined by the intermediate fulcrum means 9: in this way, also the intermediate gripping upright 59 starts the movement which brings it from the passive position to the active position.
  • Figure 40 shows how also the rear candlestick 44 and the intermediate candlestick 59 have reached the definitive active (generally vertical) position as a result of a further exit stroke (equal for example to 15 mm) by the auxiliary platform 4 with respect to the main platform 2: the stop of the upwardly exit rotation of the rear candlestick 44 takes place thanks to the third angular end-of-stroke means 76 (particularly, thanks to the contact of the transverse peg 68 with the second concave wall 78 delimiting the through loophole 70), while the stop of the upwardly exit rotation of the intermediate candlestick 59 takes place thanks to the second angular end-of-stroke means 65 (particularly, thanks to the mechanical interference of the flat wall 67 with the inner bottom 2c of the main platform 2).
  • the rear support rope (or little row) 88a (up to now indicated dashed and preferably having a thickness of 10 mm) connected with the upper ends 44b, 59b respectively of the rear upright 44 and of the intermediate upright 59 is in the correct position, suitably tensioned and, as schematically shown in figure 40 , it simply occurs (and only in this phase) that the operator manually connects the front rope (or litter row) 88b with the upper ends 44b and 20b respectively of the intermediate upright 59 and the front upright 20.
  • the operator connects also the accessory and optional support ropes 89 and 90 (up to now indicated dashed too) arranged below the upper rope 88 (formed by the rear rope 88a and the front rope 88b) with the gripping uprights 7: in such a way, the telescopic gangway 1 of the current invention definitively takes the operating conditions, being available to use, shown in figure 41 .
  • retractable telescopic gangway for getting on and/or getting off moored boats of persons which is claimed here by exclusivity, not shown in the following drawing tables, could also include a second composite control rod, coupled with the main platform and with the auxiliary platform (similarly to what has been previously highlighted for the only control rod of the embodiment described in detail in relation to the attached figures) and associated with one of the side edges of the main platform and the auxiliary platform symmetrically opposed to that one to which a first composite control rod is associated, which does not affect the advantage provided by the present invention.
  • the gripping uprights could be provided not only on one of the side edges of the transit platforms but on both.
  • the retractable and automatic telescopic gangway could include a number of auxiliary transit platforms greater than two, each of which, in this case, telescopically coupled with the telescopic and movable transit platform immediately adjacent to it: in non-operative conditions of the telescopic gangway of the invention, each of these auxiliary transit platforms will be pack-contained inside the main transit platform having greater dimensions.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Catching Or Destruction (AREA)

Claims (25)

  1. Passerelle télescopique rétractable (1) pour l'embarcation ou débarcation de personnes comprenant :
    - une plateforme de transit principale (2) qui se développe principalement le long d'un axe longitudinal (Z) et définit un premier plan de plancher supérieur (3);
    - au moins une plateforme de transit auxiliaire (4), couplée de manière télescopique avec ladite plateforme principale (2), reliée de manière opérationnelle à des moyens d'actionnement (5) adaptés pour la positionner automatiquement et sélectivement entre une position de repos, dans laquelle ladite plateforme auxiliaire (4) est contenue dans les dimensions globales définies par ladite plateforme principale (2), et une position opérationnelle dans laquelle ladite plateforme auxiliaire (4) fait axialement saillie à partir de ladite plateforme principale (2) et définit un deuxième plan de plancher supérieur (6) qui constitue un appendice dudit premier plan de plancher supérieur (3) avec lequel il est accessible à l'utilisateur ;
    - une pluralité de montants de préhension (7) couplés avec au moins un des bords latéraux (2a, 2b, 4a, 4b) de ladite plateforme principale (2) et de ladite plateforme auxiliaire (4) et configurés pour être sélectivement automatiquement placés entre une position passive, dans laquelle lesdits montants de préhension (7) sont dans des conditions non opérationnelles et disposés le long d'une première direction linéaire (Z') parallèle audit axe longitudinal (Z) de ladite plateforme principale (2), et une position active, dans laquelle lesdits montants de préhension (7) sont dans des conditions opérationnelles et se projettent vers le haut à partir d'au moins un desdits bords latéraux (2a, 2b, 4a, 4b) de ladite plateforme principale (2) et de ladite plateforme auxiliaire (4) le long d'une deuxième direction linéaire (Y) qui définit un angle sensiblement droit avec ledit axe longitudinal (Z) de ladite plateforme principale (2) de façon à être disponibles pour la préhension de la main d'un utilisateur et pour contribuer à fournir une rampe de sécurité pendant le passage dudit utilisateur sur ledit plan de plancher supérieur (3, 6) desdites plateformes de transit (2, 4),
    caractérisée en ce qu'elle comprend des moyens d'articulation (9) fournis au niveau de chacun desdits montants de préhension (7), et au moins une tige de contrôle (8) reliant de manière opérationnelle à travers lesdits moyens d'articulation (9) lesdits montants de préhension (7) de l'au moins un desdits bords latéraux (2a, 2b, 4a, 4b) desdites plateformes de transit (2, 4) et partiellement couplée à ladite plateforme auxiliaire (4) de façon que lesdits moyens d'actionnement (5) positionnent simultanément, au moyen de ladite tige de contrôle (8) et desdits moyens d'articulation (9), lesdits montants de préhension (7) entre la position active et la position passive en déplaçant au même temps ladite plateforme auxiliaire (4) entre ladite position de repos et ladite position opérationnelle.
  2. Passerelle (1) selon la revendication 1), caractérisée en ce que lesdits moyens d'actionnement (5) coopèrent indirectement, au moyen du déplacement de ladite plateforme de transit auxiliaire (4), avec ladite tige de contrôle (8) de façon à la faire coulisser alternativement entre une position rétractée définie lorsque ladite plateforme auxiliaire (4) prend la position de repos et une position entièrement en saillie définie au moins lorsque ladite plateforme auxiliaire (4) prend la position opérationnelle.
  3. Passerelle (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que ladite tige de contrôle (8) inclut une tige de service tubulaire primaire (10) reliée de manière opérationnelle à ladite plateforme de transit principale (2) et une tige d'entraînement tubulaire mobile (11) reliée de manière opérationnelle à ladite plateforme de transit auxiliaire (4) et disposée au moins partiellement au-dessus de ladite tige tubulaire primaire (10) à la fois dans ladite position de repos et ladite position opérationnelle de ladite plateforme (4), ladite tige d'entraînement tubulaire (11) étant coulissante d'un mouvement relatif par rapport à ladite tige tubulaire primaire (10) de manière solidaire à ladite plateforme auxiliaire (4) lors du mouvement télescopique axial de sortie et retour de ladite plateforme auxiliaire (4) par rapport à ladite plateforme principale (2).
  4. Passerelle (1) selon la revendication 3), caractérisée en ce que ladite tige d'entraînement tubulaire (11) est réalisée solidaire à la tige tubulaire primaire (10) au moyen d'un support façonné (12) supportant lesdits moyens d'articulation (9), fourni avec des extrémités courbées (12a, 12b) unies à la paroi latérale extérieure (10c) de ladite tige tubulaire primaire (10) en correspondance d'une première extrémité (10a) de ladite tige tubulaire primaire (10) et définissant un siège axial (13) dans lequel la tige d'entraînement tubulaire (11) est reçue en coulissant.
  5. Passerelle (1) selon la revendication 3) ou 4) lorsqu'elle dépend de la revendication 2), caractérisée en ce qu'elle comprend des premiers moyens axiaux de fin de course (19) coopérant avec ladite tige d'entraînement tubulaire (11) avant qu'un montant de préhension avant (20) ne passe de ladite position passive à ladite position active de façon à :
    - arrêter ledit mouvement relatif de ladite tige d'entraînement tubulaire (11) par rapport à ladite tige tubulaire primaire (10),
    - définir ladite position en saillie de ladite tige de contrôle (8), dans laquelle ladite tige d'entraînement tubulaire (11) fait presque complètement saillie de ladite tige tubulaire primaire (10),
    lorsque ladite plateforme auxiliaire (4) sort de manière télescopique de ladite plateforme principale (2) de sorte à passer de ladite position de repos à ladite position opérationnelle.
  6. Passerelle (1) selon la revendication 5) lorsqu'elle dépend de la revendication 4), caractérisée en ce que lesdits premiers moyens axiaux de fin de course (19) incluent :
    - une fiche de verrouillage (21) placée en correspondance d'une extrémité intérieure (11a) de ladite tige d'entraînement tubulaire (11) et faisant saillie de la surface latérale extérieure (11d) de ladite tige d'entraînement (11) le long d'un premier axe linéaire (X1) orthogonal audit axe longitudinal (Z) de ladite plateforme principale (2) ;
    - un élément de frappe arrière (22) dudit support façonné (12) contre lequel ladite fiche de verrouillage (21) s'oppose.
  7. Passerelle (1) selon l'une quelconque des revendications 3) à 6), caractérisée en ce que ladite tige d'entraînement tubulaire (11) est couplée avec ladite plateforme de transit auxiliaire (4) à travers des premiers moyens d'arrêt (24) coopérant avec lesdits moyens d'articulation (9) de sorte à permettre de disposer un montant de préhension avant (20) appartenant à ladite pluralité de montants de préhension (7) sélectivement entre ladite position active et ladite position passive.
  8. Passerelle (1) selon la revendication 7), caractérisée en ce que lesdits premiers moyens d'arrêt (24) sont disposés partiellement en correspondance de l'extrémité extérieure (11b) de ladite tige d'entraînement tubulaire (11) et partiellement en correspondance d'une portion avant (25a) d'un élément porteur tubulaire (25) appartenant à ladite plateforme de transit auxiliaire (4) et caché à la vue en étant positionné au-dessous dudit deuxième plan de plancher supérieur (6).
  9. Passerelle (1) selon la revendication 8), caractérisée en ce que lesdits premiers moyens d'arrêt (24) incluent :
    - une paire d'ailettes façonnées (26, 27) espacées et tournées l'une vers l'autre, faisant saillie d'un bloc d'espacement (28) appartenant auxdits moyens d'articulation (9) supportant ledit montant de préhension avant (20) et faisant face à des parties symétriquement opposées de la surface latérale extérieure (11d) de ladite tige d'entraînement tubulaire (11) qui est comprise entre lesdites ailettes façonnées (26, 27) ;
    - un mandrin transversal (29) faisant saillie de la surface latérale intérieure (4d) de ladite plateforme auxiliaire (4) le long d'un deuxième axe linéaire (X2) orthogonal audit axe longitudinal (Z) de ladite plateforme principale (2) et inséré dans une paire de trous traversants (30, 31) mutuellement coaxiaux réalisés dans ladite tige d'entraînement tubulaire (11) et dans une paire de fentes traversantes (32, 33) réalisées une pour chacune desdites ailettes façonnées (26, 27),
    ledit mandrin transversal (29) coulissant à l'intérieur desdites fentes traversantes (32, 33) dans le passage dudit montant avant (20) de ladite position passive à ladite position active et vice versa en restant près d'une première paroi arquée (34, 35) définie en correspondance d'une première extrémité de chacune desdites fentes traversantes (32, 33), lorsque ledit montant de préhension avant (20) prend ladite position passive ou ladite position active, grâce à la rotation de 90° desdits moyens d'articulation avant (9) le supportant et desdites ailettes façonnées (32, 33) autour d'un premier axe de rotation X parallèle audit deuxième axe linéaire (X2).
  10. Passerelle (1) selon l'une quelconque des revendications 7) à 9), caractérisée en ce que lesdits premiers moyens d'arrêt (24) coopèrent avec lesdits premiers moyens angulaires de fin de course (36), associés partiellement avec lesdits moyens d'articulation (9) et partiellement avec ladite plateforme auxiliaire (4) et adaptés pour arrêter la rotation de 90° dudit montant de préhension avant (20) dans son passage de ladite position passive à ladite position active et vice versa.
  11. Passerelle (1) selon la revendication 10) lorsqu'elle dépend de la revendication 9), caractérisée en ce que lesdits premiers moyens angulaires de fin de course (36) comprennent :
    - une palette laminaire (37) faisant saillie de la paroi extérieure (28a) dudit bloc d'espacement (28) ;
    - une goupille transversale (38) faisant saillie de la face latérale extérieure (25c) dudit élément porteur tubulaire (25) le long d'un troisième axe linéaire (X3) parallèle audit deuxième axe linéaire (X2) et orthogonal audit axe longitudinal (Z) de développement de ladite plateforme principale (2) ;
    - lesdites ailettes façonnées (26, 27) desdits premiers moyens d'arrêt (24),
    ladite palette laminaire (37) interférant avec ladite goupille transversale (38) au moyen de sa propre face plate (37a) pour arrêter la rotation de fermeture/rentrée vers le bas dudit montant de préhension avant (20) et définir ladite position passive, et lesdites ailettes façonnées (26, 27) interférant avec ladite goupille transversale (34) au moyen de leur propre bord latéral plat (26a, 27a) pour arrêter la rotation d'ouverture/sortie vers le haut dudit montant de préhension avant (20) et définir ladite position active de celui-ci.
  12. Passerelle (1) selon l'une quelconque des revendications 3) à 11), caractérisée en ce que ladite tige tubulaire primaire (10) coopère avec des moyens de récupération élastiques préchargés (39) couplés avec une deuxième extrémité (10b) de ladite tige tubulaire primaire (10) et adaptés au moins à contrecarrer la poussée exercée par lesdits moyens d'actionnement (5) sur ladite plateforme de transit auxiliaire (4) et ladite tige d'entraînement tubulaire (11) et donc au moins maintenir ladite tige tubulaire primaire (10) fixée dans la position initiale lorsque ladite tige d'entraînement tubulaire (11) se déplace, de manière solidaire audit mouvement télescopique axial de sortie de ladite plateforme auxiliaire (4) de ladite plateforme principale (2) conféré par lesdits moyens d'actionnement (5), avec ledit mouvement relatif par rapport à ladite tige tubulaire primaire (10).
  13. Passerelle (1) selon la revendication 12), caractérisée en ce que lesdits moyens de récupération élastiques préchargés (39) incluent un ou plusieurs ressorts hélicoïdaux (40, 41) disposés parallèles les uns aux autres, ayant chacun :
    - une première extrémité (40a, 41a) couplée à travers des premiers moyens d'accrochage (42) avec des deuxièmes moyens d'arrêt (43) appliqués à ladite tige de service tubulaire primaire (10) et coopérant avec lesdits moyens d'articulation (9) de sorte à permettre de positionner un montant de préhension arrière (44), appartenant à ladite pluralité de montants de préhension (7), sélectivement entre ladite position active et ladite position passive ;
    - une deuxième extrémité (40b, 41b) couplée à travers des deuxièmes moyens de couplage (45) avec une plaque arrière (46) appartenant à la structure portante (47) de ladite plateforme de transit principale (2).
  14. Passerelle (1) selon l'une quelconque des revendications 3) à 13), caractérisée en ce que ladite tige tubulaire primaire (10) est couplée avec ladite plateforme de transit principale (2) à travers des moyens de coulissement axial (48), cachés à la vue puisque contenus dans ladite plateforme principale (2), adaptés pour rendre la tige tubulaire primaire (10) mobile le long dudit axe longitudinal (Z) pour une longueur finale inférieure à la longueur de coulissement axial de ladite tige d'entraînement tubulaire (11).
  15. Passerelle (1) selon la revendication 14), caractérisée en ce que lesdits moyens de coulissement axial (48) comprennent :
    - un ou plusieurs blocs de coulissement (50) contenus fermement à l'intérieur de ladite tige de service tubulaire primaire (10) et communiquant avec l'extérieur au moyen d'un ou plusieurs canaux linéaires traversants (51) réalisés axialement dans la paroi inférieure (10d) de ladite tige tubulaire primaire (10) de sorte à faire face au fond intérieur (2c) de ladite plateforme principale (2) ;
    - des moyens de fixation (49) qui espacent en hauteur ladite tige tubulaire primaire (10) de ladite plateforme auxiliaire (4), en les rendant complètement solidaires.
  16. Passerelle (1) selon l'une quelconque des revendications 3) à 15), caractérisée en ce que ladite tige tubulaire primaire (10) est couplée avec ledit plateau de transit principal (2) à travers des troisièmes moyens d'arrêt (58) coopérant avec lesdits moyens d'articulation (9) de sorte à permettre de positionner un montant de préhension intermédiaire (59), appartenant à ladite pluralité de montants de préhension (7), sélectivement entre ladite position active et ladite position passive.
  17. Passerelle (1) selon la revendication 16) lorsqu'elle dépend de la revendication 4), caractérisée en ce que lesdits troisièmes moyens d'arrêt (58) sont disposés partiellement près d'une partie terminale (12f) dudit support façonné (12) et partiellement en correspondance d'un premier bord périmétrique (60a) d'une plaque intermédiaire (60) reliée de manière opérationnelle auxdits moyens d'articulation (9).
  18. Passerelle (1) selon la revendication 17), caractérisée en ce que lesdits troisièmes moyens d'arrêt (58) incluent :
    - une goupille d'entraînement (61) faisant saillie d'une desdites plaques latérales courbées (12d, 12e) dudit support façonné (12) le long d'un quatrième axe linéaire (X4) orthogonal audit axe longitudinal (Z) de ladite plateforme principale (2) ;
    - une encoche de guide (62) ayant un profil ouvert et passant à travers l'épaisseur de ladite plaque intermédiaire (60) dans laquelle ladite encoche de guide (62) est réalisée à partir dudit premier bord périmétrique (60a),
    ladite goupille d'entraînement (61) coulissant à l'intérieur de ladite encoche de guide (62) dans le passage dudit montant intermédiaire (59) de ladite position passive à ladite position active et vice versa et étant :
    • libre de ladite encoche de guide (62) et axialement retirée de ladite plaque intermédiaire (60) lorsque ledit montant intermédiaire (59) prend ladite position passive,
    • en prise dans ladite encoche de guide (62) de sorte à être placée près d'une première surface inclinée divergente vers l'extérieur et vers le haut (63) partant du centre (60d) de ladite plaque intermédiaire (60) et délimitant ladite encoche de guide (62) lorsque ledit montant intermédiaire (59) prend ladite position active grâce à la rotation à 90° desdits moyens d'articulation (9) le supportant et, par conséquent, de ladite plaque intermédiaire (60) autour d'un troisième axe de rotation (X") parallèle audit quatrième axe linéaire (X4).
  19. Passerelle (1) selon l'une quelconque des revendications 16) à 18), caractérisée en ce que lesdits troisièmes moyens d'arrêt (58) coopèrent avec des deuxièmes moyens angulaires de fin de course (65), partiellement associés avec lesdits troisièmes moyens d'arrêt (58) et partiellement à ladite plateforme de transition principale (2) et adaptés pour arrêter la rotation à 90° dudit montant de préhension intermédiaire (59) dans son passage de ladite position passive à ladite position active et vice versa.
  20. Passerelle (1) selon la revendication 19) lorsqu'elle dépend de la revendication 18), caractérisée en ce que lesdits deuxièmes moyens angulaires de fin de course (65) comprennent :
    - une dent carrée (66) faisant saillie d'une extrémité d'un deuxième bord périphérique (60b), adjacent audit premier bord périphérique (60a) de ladite plaque intermédiaire (60) ;
    - une paroi plate (67) définie en correspondance d'un troisième bord périmétrique (60c) adjacent audit deuxième bord périmétrique (60b) et opposé audit premier bord périmétrique (60a) de ladite plaque intermédiaire (60) ;
    - un fond intérieur (2c) de ladite plateforme principale (2),
    ladite dent carrée (66) interférant avec ledit fond intérieur (2c) au moyen de sa propre face plate extérieure (66a) pour arrêter la rotation de fermeture/rentrée vers le bas dudit montant intermédiaire (59) et définir pour ledit montant intermédiaire (59) ladite position passive, et ladite paroi plate (67) interférant avec ledit fond intérieur (2c) pour arrêter la rotation d'ouverture/sortie vers le haut dudit montant intermédiaire (59) et définir pour ledit montant intermédiaire (59) ladite position active.
  21. Passerelle (1) selon la revendication 16), caractérisée en ce que lesdits deuxièmes moyens d'arrêt (43) incluent :
    - une cheville transversale rotative-translationnelle (68) faisant saillie de parties opposées, le long d'un cinquième axe linéaire (X5) orthogonal audit axe longitudinal (Z) de ladite plateforme principale (2), à partir d'une plaque arrière façonnée (69) couplée au-dessus avec ladite deuxième extrémité (10b) de ladite tige tubulaire primaire (10) et ayant une fissure traversante (70) s'étendant le long de ladite plaque façonnée (69) selon un profil curviligne et dans laquelle ladite cheville transversale rotative-translationnelle (68) est reçue ;
    - un corps excentrique (71) composé d'une languette étroite (72) couplée avec une extrémité délimitée (68a) appartenant à ladite cheville transversale (68) et faisant saillie latéralement de ladite plaque arrière façonnée (69), et d'une portion élargie (73) couplée avec lesdits moyens d'articulation (9) supportant ledit montant de préhension arrière (44),
    ladite cheville transversale rotative-translationnelle (68) coulissant à vide à l'intérieur de ladite fissure traversante (70) dans le passage dudit montant arrière (44) de ladite position passive à ladite position active et vice versa, grâce à la rotation à 90° autour d'un deuxième axe de rotation (X') parallèle audit cinquième axe linéaire (X5) défini par lesdits moyens d'articulation (9).
  22. Passerelle (1) selon la revendication 21), caractérisée en ce que lesdits deuxièmes moyens d'arrêt (43) coopèrent avec des troisièmes moyens angulaires de fin de course (76) définis dans lesdits deuxièmes moyens d'arrêt (43) et adaptés pour arrêter la rotation à 90°, autour dudit deuxième axe de rotation (X'), dudit montant de préhension arrière (44) dans son passage de ladite positon passive à ladite position active et vice versa.
  23. Passerelle (1) selon la revendication 22), caractérisée en ce que lesdits troisièmes moyens angulaires de fin de course (76) comprennent :
    - une première paroi concave (77) délimitant latéralement ladite fissure traversante (70) ;
    - une deuxième paroi concave (78), opposée à ladite première paroi concave (77) et délimitant latéralement ladite fissure traversante (70) ;
    - ladite cheville transversale rotative-translationnelle (68) desdits deuxièmes moyens d'arrêt (43),
    ladite cheville transversale rotative-translationnelle (68) mettant en prise ladite première paroi concave (74) pour arrêter la rotation de fermeture/rentrée vers le bas dudit montant arrière (44) et définir pour ledit montant arrière (44) ladite position passive, et ladite cheville transversale rotative-translationnelle (68) mettant en prise ladite deuxième paroi concave (75) pour arrêter la rotation d'ouverture/sortie vers le haut dudit montant arrière (44) et définir pour ledit montant arrière (44) ladite position active.
  24. Passerelle (1) selon la revendication 21), caractérisée en ce que lesdits deuxièmes moyens d'arrêt (43) comprennent des troisièmes moyens axiaux de fin de course (79) adaptés pour contrecarrer ledit mouvement relatif de ladite tige d'entraînement tubulaire (11) par rapport à ladite tige tubulaire primaire (10) lorsque ledit montant de préhension avant (20) est dans ladite position passive et ladite plateforme de transit auxiliaire (4) passe de ladite position opérationnelle à ladite position de repos en retournant de manière télescopique dans ladite plateforme de transit principale (2).
  25. Passerelle (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que lesdits moyens d'articulation (9) incluent :
    - un corps de finition (81) solidaire à l'extrémité inférieure (20a, 44a, 59a) desdits montants de préhension (20, 44, 59) et restant en vue dans ladite position active desdits montants de préhension (20, 44, 59) et dans ladite position opérationnelle de ladite plateforme auxiliaire (4) ;
    - un arbre d'entraînement (82) couplé à travers des premiers moyens de clavette (83) avec ledit corps de finition (81) et fourni avec une portion réduite (84) faisant saillie dudit corps de finition (81) selon un axe de rotation (X, X', X") orthogonal audit axe longitudinal (Z) ;
    - un bloc d'espacement (28, 60, 71) couplé à travers des deuxièmes moyens de clavette (85) avec ladite portion réduite (84) dudit corps de finition (81) et disposé axialement face audit corps de finition (81) de façon à cacher presque entièrement à la vue ledit arbre d'entraînement (82).
EP18196203.6A 2017-09-29 2018-09-24 Passerelle télscopique rétractable pour l'embarcation ou débarcation des personnes Active EP3461733B1 (fr)

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IT102017000109126A IT201700109126A1 (it) 2017-09-29 2017-09-29 Passerella telescopica a scomparsa per l’accesso e/o la discesa di persone a/da imbarcazioni ormeggiate

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IT201900021489A1 (it) * 2019-11-18 2021-05-18 Opacmare Srl Passerella a movimento telescopico
EP4008624B1 (fr) * 2020-12-03 2024-04-10 B. FINANCIAL S.r.l. Passerelle de bateau
IT202000030689A1 (it) * 2020-12-14 2022-06-14 Opacmare Srl Passerella a movimento telescopico
CN113978738B (zh) * 2021-12-24 2022-03-11 大同航源众诚动力科技有限公司 应用于民用航空器客舱门逃生滑梯结构

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Publication number Priority date Publication date Assignee Title
CN102020002A (zh) * 2010-11-18 2011-04-20 哈尔滨工程大学 单向链式伸缩舷梯
ITVI20110252A1 (it) * 2011-09-20 2013-03-21 B Financial Srl Passerella di approdo ad aumentata sicurezza di impiego, in particolare per imbarcazioni
EP3075647B1 (fr) * 2015-03-30 2017-09-13 B. Financial S.r.L. Passerelle pour une embarcation

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