EP0406652B1 - Pièce d'accouplement pour liaison amovible de conteneurs - Google Patents

Pièce d'accouplement pour liaison amovible de conteneurs Download PDF

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Publication number
EP0406652B1
EP0406652B1 EP90111966A EP90111966A EP0406652B1 EP 0406652 B1 EP0406652 B1 EP 0406652B1 EP 90111966 A EP90111966 A EP 90111966A EP 90111966 A EP90111966 A EP 90111966A EP 0406652 B1 EP0406652 B1 EP 0406652B1
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EP
European Patent Office
Prior art keywords
housing
coupling piece
locking bolt
actuating slide
spring
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.)
Expired - Lifetime
Application number
EP90111966A
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German (de)
English (en)
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EP0406652A1 (fr
Inventor
Julius Donner
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.)
MacGregor Germany GmbH and Co KG
Original Assignee
CONVER-OSR OZEAN-SERVICE- REPARATUR-INGENIEURTECHNIK GmbH
CONVER OSR OZEAN SERVICE REPAR
MacGregor Conver GmbH
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Application filed by CONVER-OSR OZEAN-SERVICE- REPARATUR-INGENIEURTECHNIK GmbH, CONVER OSR OZEAN SERVICE REPAR, MacGregor Conver GmbH filed Critical CONVER-OSR OZEAN-SERVICE- REPARATUR-INGENIEURTECHNIK GmbH
Publication of EP0406652A1 publication Critical patent/EP0406652A1/fr
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Publication of EP0406652B1 publication Critical patent/EP0406652B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/0006—Coupling devices between containers, e.g. ISO-containers
    • B65D90/0013—Twist lock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/28—Freight container to freight container fastener

Definitions

  • the invention relates to a coupling piece for the detachable connection of corner fittings of adjacent containers, in particular containers stacked one above the other on board ships, according to the preamble of claim 1.
  • Dome pieces of the type mentioned here are usually referred to in technical jargon as "twist locks". They are mainly used during the transport of containers on board ships. The coupling pieces should on the one hand reliably prevent ship-side relative displacements of the containers and, on the other hand, displacements of the containers from one another.
  • Such a semi-automatic coupling piece is known from DE-A-37 10 419.
  • the locking bolt can be actuated both manually and by means of a prestressed spring.
  • the known coupling piece only has to be manually connected to a container, namely to be pre-locked on it, with the spring being preloaded at the same time. After this manual pre-locking, the containers to be connected are placed on top of one another and then the coupling piece is automatically locked by the pre-tensioned spring.
  • This known coupling piece requires a spring mechanism and a pivotable actuating lever which, on the one hand, can only be assembled in a complex manner and, on the other hand, require a multi-part design of the housing.
  • the spring mechanism and the pivotable actuating lever can lead to functional impairments in the known coupling piece.
  • the invention is based on the object of improving a coupling piece of the type mentioned in such a way that it is easier to manufacture and more reliable.
  • the coupling piece according to the invention has the features of claim 1.
  • the displaceable arrangement of the actuating means in the housing has several surprising advantages.
  • the locking bolt can be rotated more easily by longitudinally displacing the actuating means than is the case in the prior art with pivotable actuating means.
  • the actuating means is easier to assemble, in particular with coupling pieces with a one-piece housing.
  • the longitudinally displaceable actuating means allows a reliable visual inspection of at least the exact locking position in any relative arrangement of the coupling piece between the containers.
  • the actuating means and the locking bolt are in a geared connection to one another.
  • the elongate actuating means has a toothing in some areas, that is to say it is designed as a toothed rack, and in contrast the middle piece of the locking bolt also has at least part of its circumference a toothing which corresponds to that on the actuating means is trained. Due to this gear connection, the locking bolt with its cross bolts can be brought into corresponding positions by simply pushing the elongate actuating means back and forth, namely into a locking and an unlocking or partial unlocking position.
  • the toothing ensures reliable movement transmission between the elongated actuating means and the locking bolt, even at low temperatures when the coupling pieces are iced up. Damage when releasing the icing, but also when the Coupling piece in otherwise unfavorable operating conditions are almost impossible.
  • actuating means and the locking bolt namely again its middle part, by means of a resilient actuating member.
  • this is designed as a wrap spring.
  • the latter has a spring turn connected to the central part of the locking bolt so that it cannot move and cannot be rotated, and a spring tongue projecting with respect to the central part.
  • the spring tongue is articulated to the actuating means.
  • the housing is formed in one piece and provided with openings such that the locking bolt with a cross bolt, the actuating means and the spring element can be passed through the same.
  • the assembly has a simplified effect that the spring element can be inserted into the housing together with the locking bolt or the actuating means, that is to say as an assembly unit.
  • the coupling piece according to the present exemplary embodiment of the invention has a housing 20, a locking bolt 21 and an actuating slide 22.
  • the locking bolt 21 is rotatably mounted in the housing 20 about an upright longitudinal central axis 23.
  • the actuating slide 22 is arranged displaceably in the housing 20 along its central axis 24.
  • the housing 20 of the coupling piece is formed in one piece. It is divided into three sections, namely has a central abutment 25 which, in the case of interconnected containers, comes to lie as a spacer between the respective corner fittings 26 and 27 (indicated by dashed lines in FIG. 1) and two center pieces 28, 29 on opposite sides On the side of the abutment 25.
  • the center pieces 28 and 29 are connected (in one piece) to the abutment 25 and are designed to correspond to the entry into corresponding elongated holes 30, 31 of the corner fittings 26, 27 of adjacent containers (FIG. 1).
  • the locking bolt 21 has an approximately cylindrical central part 32 and two transverse bolts 33 and 34 which are connected in one piece to opposite ends of the central part 32.
  • the transverse bolts 33 and 34 are arranged at an angular offset from one another on the central part 32 such that their crosswise to the longitudinal central axis 23 of the locking bolt 21 extending longitudinal axes 35 and 36 have an angular offset to one another, which in the exemplary embodiment shown here is 60 °, but can also be larger or smaller.
  • the crossbars 33 and 34 are designed differently.
  • the cross bar 33 located at the top of the drawing has a central cylinder section 37, which corresponds approximately to the cross section of the central part 32, and two wing sections 38 on opposite sides of the cylinder section 37, which have approximately the shape of isosceles trapezoids.
  • the relative arrangement of these trapezoidal wing sections 38 on the cylinder section 37 is such that the long trapezoidal sides 39 rounded in the present exemplary embodiment lie on the outer sides of the crossbar 33. Due to the non-isosceles trapezoidal shape of the wing sections 38, the cross bar 33 has a straight longitudinal side 40 which runs parallel to its longitudinal axis 35.
  • the cross bar 34 in the drawing below is tapered and provided with relatively pronounced roundings, which are helically wound towards the end.
  • the slope of the turn is dimensioned such that the cross bar 34 is automatically rotatable when inserted into the corner fitting 27 of the container assigned to it.
  • the cross bar 34 is formed in a similar manner to that of the coupling piece according to DE-OS 37 10 419, to which reference is made in this respect, but also with regard to further details.
  • a central, upright passage opening 42 runs.
  • the locking bolt 21 is rotatably mounted with its central part 32, so that the crossbars 33 and 34 are outside of Housing 20 are located by protruding from the center pieces 28, 29.
  • the through opening 42 is formed in a special way in the housing 20. It has a cross section corresponding to the upper cross bar 33, the dimensions being selected such that they have a slight excess compared to the upper cross bar 33. This allows the locking bolt to be mounted on the coupling piece Push 21 through the housing 20 with the upper cross bar 33 in an assembly position.
  • the central part 32 of the locking bolt 21 is rotatably mounted in the central section 43 of the through opening 42 which corresponds to the cylinder section 37 of the upper cross bolt 33, with projections 44 corresponding to the incisions 41 on opposite sides of the central section 43 of the through opening 42, the central part 32 of the locking bolt 21 hold laterally immovable in the passage opening 42.
  • the projections 44 on the through-opening 42 that in a position rotated by 180 ° with respect to the mounting position, the locking bolt 21 does not come into congruence with the through-opening 42 when the upper cross bar 33 is inserted into the corner fitting 26 of a corresponding container, and thus the locking bolt 21 cannot fall out of the housing 20 (FIG. 3).
  • both the upper cross bar 33 and the through opening 42 can have base areas or cross sections that deviate from those of the drawing, provided that these have at least the properties mentioned above.
  • the spring element for automatically pivoting the locking bolt 21 is designed here as a wrap spring 45.
  • the wrap spring 45 is axially immovable and non-rotatably connected to the central part 32 of the locking bolt 21, approximately in the middle.
  • the wrap spring 45 is composed of a spring turn 46 which completely surrounds the central part 32 and a spring tongue 47.
  • the spring turn 46 is essentially U-shaped, namely has two parallel legs 48, 49 which are connected to one another by a web 50 (Fig. 6).
  • the free end of a leg 48 is provided with a hook-shaped bend 51 which engages in a corresponding recess 52 in the central part 32 to ensure that the wrap spring 45 cannot be rotated.
  • the straight legs 48, 49 each lie in a circular segment-shaped groove 53 in the cylindrical middle part 32, whereby the immovability of the wrap spring 45 relative to the longitudinal central axis 23 of the middle part 32 is ensured (FIG. 6).
  • the spring tongue 47 is designed as an extension of the (second) leg 49 of the spring turn 46. For this purpose, it is cranked relative to the leg 49 in such a way that when the wrap spring 45 is relieved, the spring tongue 47 protrudes laterally in the middle between the legs 48, 49 with an approximately parallel course to the middle part 32, i.e. approximately on the longitudinal axis of the upper cross bar 33 lies (Fig. 6).
  • the relative arrangement of the wrap spring 45 is made in that the wrap spring 45, in particular its transversely projecting spring tongue 45, is in register with the upper cross bar 33 adapted to the through opening 42 (FIG. 3).
  • the locking bolt 21 with the upper cross bar 33 and the wrap spring 45 can be pushed through the through opening 42 in spite of the spring tongue 47 projecting transversely in order to assemble the coupling piece.
  • the wrap spring 45 is formed in two parts.
  • the spring turn 46 consists of a resilient material
  • the separate spring tongue 47 consists of a non-resilient material or a material with spring properties that are more rigid than the wrap spring 45.
  • the locking bolt 21 is connected to the actuation slide via the wrap spring 45 22 positively coupled. This is done by an articulated connection 54 between the actuating slide 22 on the one hand and the spring tongue 47 of the wrap spring 45 on the other hand (FIG. 6).
  • the elongated actuating slide 22 is mounted in a through opening 55 in the abutment 25 of the housing 20 so as to be longitudinally displaceable.
  • the through opening 55 runs parallel to a central axis 56 of the housing 20, which is directed transversely through the longitudinal central axis 23 of the locking bolt 21, and is therefore adjacent to the through opening 42, so that the central axis 24 of the actuating slide 22 runs parallel to the central axis 56 of the housing 20 (FIG. 6) .
  • a latching element 57 the actuating slide 22 can be locked in two alternative insertion positions relative to the housing 20 in such a way that the actuating slide 22 cannot get into another inserted position to the housing 20 due to the tensioned wrap spring 45.
  • the latching member 57 has a latching ball 59 acted upon by a compression spring 58, which is supported in the abutment 25 of the housing 20 and engages in corresponding recesses in the actuating slide 22.
  • these depressions are designed as two circumferential locking grooves 60 and 61 in the actuating slide 22 which are arranged at a distance from one another.
  • the articulated connection 54 between the actuating slide 22 and the wrap spring 45 is achieved on the one hand by a shoulder 62 which reduces the diameter of the locking bolt 21 and on the other hand a bore 63 in the spring tongue 47 which has a larger diameter than the shoulder 62.
  • the spring tongue can 47 a horizontally running elongated hole or the like for forming the articulated connection 54 may also be present. Due to the oversize between the shoulder 62 and the bore 63 or on the elongated hole or the like, the locking bolt 21 or the pretensioning of the wrap spring can be used to form different rotational positions 45 the spring tongue 47 assume different angular positions relative to the actuating slide 22 without any constraints on the actuating slide 22.
  • the shoulder 62 for the articulated connection 54 is arranged in the region of a free end 65 of the actuating slide 22.
  • the spring tongue 47 is only held on one side at the transition from the shoulder 62 to the larger diameter section of the actuating slide 22.
  • the shoulder 62 is provided at the end with an external thread 66 onto which a locking sleeve having a corresponding internal thread 67 is provided 68 can be screwed on.
  • the outer diameter of this locking sleeve 68 corresponds approximately to the diameter of the area of the actuating slide 22 adjoining the shoulder 62.
  • the length of the locking sleeve 68 is selected so that in both latching positions of the actuating slide 22 it is guided on opposite sides of the franking 64 in the housing 20, namely the through opening 55 is ensured (Fig. 6 and 8).
  • the procedure is such that in an assembly position with the wrap spring 45 placed on the locking bolt 21, the upper cross bar 33 is pushed through the through opening 42 in its assembly position and then rotated by approximately 180 °, as a result of which the upper cross bar 33 is out of coverage with the passage opening 42, and the spring tongue 47 of the wrap spring 45 in the region of the franking 64 in Abutment 25 of the housing 20 occurs (see for example in Fig. 3).
  • the actuating slide 22 can then be inserted into the through opening 55 without the locking sleeve 68 screwed onto its free end 65 and threaded into the bore 63 in the spring tongue 47.
  • the locking sleeve 68 is screwed onto its free end 65 for the positive connection of the wrap spring 45 to the actuating slide 22 and then the locking ball 59 with the compression spring 58 of the locking member 57 is inserted into the housing 20 and secured by a grub screw 69.
  • the required locking force of the locking element 57 can be set by the screwing depth of the grub screw 69 into the housing 20.
  • the containers are locked starting from an unlocking position in which the wrap spring 45 is relaxed and the actuating slide 22 is pulled out of the housing 20 up to the latching groove 60.
  • the upper cross bar 33 is rotated relative to the central axis 56 of the housing 20, while the lower cross bar 34 is approximately in register with the central axis 56 (FIGS. 6 and 7).
  • the upper cross bar 33 By turning the locking bolt 21 on the lower cross bar 34, starting from the unlocking position, the upper cross bar 33 is brought into registration with the central axis 56, the wrap spring 45 being pretensioned (FIGS. 4 and 5). In this position of the locking bolt 21, the coupling piece can be inserted into the lower corner fitting 26 of the upper container. By releasing the locking bolt 21, the same is rotated by the pretensioned wrap spring 45, the upper cross bolt 33 assuming a pre-locking position (FIGS. 6 and 7).
  • the locking bolt 21 When lowering the upper container with the dome hanging below it on the upper corner fitting 27 of the lower container, the locking bolt 21 is twisted by the helical winding of the lower cross bar 34 under pretension of the wrap spring 45 so that the lower cross bar 34 with its longitudinal axis 36 is approximately open the central axis 56 of the housing 20 is located and can be inserted into the upper corner fitting 27 of the lower container (FIGS. 10 and 11).
  • the pretensioned wrap spring 45 causes the locking bolt 21 to turn back automatically until the wrap spring 46 is completely relaxed, in which the final locking position of the coupling piece is reached, i.e. both cross bolts 33, 34 with their Longitudinal axes 35, 36 extend at an angle to the central axis 56 of the housing 20 (FIGS. 8 and 9), i. H. the containers are locked.
  • a subsequent release of the coupling piece from the upper container takes place in turn that the locking bolt 21 on the lower cross bar 34 is rotated so far that the upper cross bar 33 comes approximately to coincide with the central axis 56 of the housing 20.
  • the wrap spring 45 is again tensioned (Fig. 4 and 5). After releasing the locking bolt 21, it is rotated back into its starting position (with the relaxed wrap spring 45) by the tensioned wrap spring 45 (FIGS. 6 and 7).
  • the coupling piece can then be used again for a new locking process in the manner described above.
  • the coupling piece according to a second embodiment of the invention also has a one-piece housing 70 in which a locking bolt 71 and an actuating slide 72 are mounted.
  • the locking bolt 71 is in turn mounted rotatably about the upright longitudinal central axis 23 in the housing 70, while the actuating slide 72 is arranged displaceably in the housing 70 along the central axis 24.
  • the housing 70 is divided into three sections. It accordingly has the central abutment 25, which comes to rest as a spacer between the respective corner fittings in the case of interconnected containers, and two middle pieces 28, 29 projecting on opposite sides of the abutment 25. These are designed like the housing 20 of the first exemplary embodiment of the coupling piece.
  • the locking bolt 71 has an approximately cylindrical central part 73 and two transverse bolts 74, 75, which are connected in one piece to the central part 73, namely opposite ends of the same.
  • the crossbars 74, 75 have longitudinal axes 76 lying one above the other and extending transversely to the longitudinal central axis 23 of the locking bolt 71 or 77 arranged on the middle part 73 (FIGS. 13 and 14).
  • the upper cross bar 74 is designed here as an approximately flat plate, with a cross section that corresponds approximately to that of the middle pieces 28, 29 (FIG. 20).
  • the (lower) cross bar 75 is provided with a cross section which corresponds approximately to the (upper) cross bar 33 in the coupling piece of the first exemplary embodiment, that is to say is composed of a central cylinder section 37 and two opposite wing sections 38.
  • the (lower) cross bar 75 is not flat; rather slightly tapering.
  • the opposite wing sections 38 are chamfered towards the free end 78 of the cylinder section 37.
  • wing sections 38 are provided with helical windings 79 running in the direction of the longitudinal central axis 23 of the locking bolt 71.
  • the slope of the turns 79 is dimensioned such that the (lower) cross bar 75 can be rotated automatically when inserted into the corner fitting of a (lower) container assigned to it (FIGS. 12 and 13).
  • a through opening which corresponds to the through opening 42 of the housing 20, also runs through the housing 70.
  • the through opening 42 is formed in the embodiment shown corresponding to the cross section of the (lower) cross bar 75, so that it can be inserted into the (one-piece) housing 70 together with the central part 73 of the locking bolt 71 in an assembly position.
  • the central part 73 of the locking bolt 71 is designed in a special way.
  • the central part 73 has, in a central section, a diameter reduction 80 in some areas, on which a toothing 81 extending over part of the circumference of the central part 73 is arranged.
  • the toothing 81 extends over approximately half the circumference of the central part 33 to form three teeth 82 which have a round profile and are aligned with the cross section of the central part 73 outside the diameter reduction 80 (FIGS. 13 and 14).
  • the middle part 73 runs continuously flush between the crossbars 74, 75.
  • a further elongated opening 83 in the housing 70 for accommodating the actuating slide 72 in a longitudinally displaceable manner.
  • the central axis 24 of the elongated opening 83 thereby extends transversely to the longitudinal central axis 23 of the locking bolt 71, approximately tangentially (laterally) along the passage opening 42, thus lies approximately on a continuous, straight side surface 84 in the abutment 25 of the housing 70 (FIGS. 12 and 15).
  • the elongated actuating slide 72 has on a side facing the locking bolt 71, namely its toothing 81, a corresponding longitudinal toothing 85, which in the present exemplary embodiment has four teeth 86.
  • the toothing 81 on the locking bolt 71 and the longitudinal toothing 85 on the actuating slide 72 are in a geared connection with one another, so that when the actuating slide 72 moves on its central axis 24, the locking bolt 71 with the transverse bolts 74, 75 arranged thereon can be rotated (FIG. 15 ).
  • the actuating slide 72 which can be inserted into the housing 70 along the central axis 24 through the opening 73 opening in one side of the housing 70, can be locked against falling out of the housing 70 by a latching element, namely a latching ball 87.
  • This locking ball 87 is preloaded by a spring 88 in the housing 70, namely a receiving bore 89, so that the locking ball 87 partially protrudes into the elongated opening 83 for abutment on a side of the actuating slide 72 opposite the longitudinal toothing 85 (FIG. 15).
  • the actuating slide 72 has two recesses 90 and 91 which correspond to the latching ball 87.
  • the arrangement and the spacing of the depressions 90, 91 on the actuating slide 72 are such that the latching ball 87 locks the actuating slide 72 both in a locked position and in a partially unlocked position. In the latter position, the depression 91 simultaneously ensures that the actuating slide 72 cannot slip out of the housing 70 (FIGS. 15 and 17).
  • the length of the actuating slide 72 is dimensioned such that in the locked state of the locking bolt 71 it is approximately flush with that side of the housing 70 in which the elongated opening 83 for receiving the actuating slide 72 opens.
  • a corresponding through bore 92 is arranged in the housing 70 on the opposite side of the elongated opening 83 for the actuating slide 72.
  • a thin longitudinal bore 93 is provided in the region of the front recess 91, which runs transversely through the actuating slide 72.
  • the locking ball 87 can be brought out of engagement with the recess 91 when the locking bolt 71 is in the partially unlocked position, in that the locking ball 87 is pressed completely into the receiving bore 89 by a corresponding tool and thus the actuating slide 72 can be pulled freely from the elongated opening 83 in the housing 70.
  • the actuating slide 72 At its free end 94 pointing into the interior of the housing 70, the actuating slide 72 is provided with a pin-shaped guide section 95. In some areas, a compression spring 96 is pushed onto this guide section 95, which is supported on the one hand on the actuating slide 72, namely at the end of the guide section 95, and on the other hand in the bottom 97 of the elongated opening 83 on the housing 70. In this way, the (prestressed) compression spring 96 allows the actuating slide 72 to be displaced from a fully unlocked position of the locking bolt 71 (FIG. 19) into the locked position (FIG. 15) with a corresponding rotation of the locking bolt 71.
  • the compression spring 96 between mutually directed longitudinal sides 98, 99 of the housing 70 on the one hand and the actuating slide 72 on the other hand.
  • the actuating slide 72 has an elongated recess 100 in the longitudinal side 98 of the actuating slide 72, which corresponds in depth to approximately half the diameter of the compression spring 96 and is designed in a length corresponding to the relaxed length of the compression spring 96 (FIG. 21).
  • the elongated opening 83 is provided on its long side 99 facing the actuating slide 72 with a franking 101.
  • the procedure is such that the locking bolt 71 is inserted into the housing 70 first in an assembly position, that is to say when the (lower) cross bolt 75 located in the housing 70 is in register with the through opening 42.
  • the (lower) cross bar 75 is pushed from above through the passage opening 42 of the housing 70, so that it protrudes from the housing 70 relative to the lower middle piece 29 (FIG. 12).
  • the locking bolt 71 is rotated by approximately 180 °, as a result of which the (lower) cross bolt 75 is out of register with the through opening 42, namely is approximately in a partially unlocked position (FIGS. 17 and 18).
  • the compression spring 96 is then inserted into the housing 70, specifically into the end of the elongated opening 83 for the actuating slide 72. This can optionally also be done before the locking bolt 71 is inserted. Furthermore, the spring 88 with the detent ball 87 is inserted into the corresponding receiving bore 89 through the through bore 92 of the housing running transversely to the elongated opening 83. Thereafter (last) the actuating slide 72 is inserted from the outside into the elongated opening 83 of the housing 70, to the extent that the detent ball 87 engages in the recess 91 lying in front and thus secures the actuating slide 72 against falling out of the housing 70. The assembly of the coupling piece is now complete.
  • the dismantling of the coupling piece is carried out with the actuating slide 72 in the partially unlocked position (FIGS. 17 and 18), that is to say with the detent ball 87 lying in the front recess 91.
  • the detent ball 87 can be removed by a suitable tool which is provided by the Through bore 92 in the housing and the longitudinal bore 93 in the actuating slide 72 is pushed out of engagement with the recess 91 and thus pull the actuating slide 72 out of the housing 70.
  • the locking bolt 71 is rotated again by an approximately 180 ° rotation in the housing so that the (lower) cross bolt 75 is in register with the through opening 42 and can be pulled out of the housing 70.
  • Locking and unlocking the coupling piece according to the second exemplary embodiment takes place in the following way: Starting from a locked or partially unlocked position of the coupling piece, i.e. relaxed compression spring 96 (Fig. 15..18), by manually turning the (lower) cross bar 75 clockwise, this and also the (upper) cross bar 74 are in register with the respective center pieces 28, 29 brought and at the same time the actuating slide 72 moved so far into the housing 70 that the compression spring 96 is biased (Fig. 19, 20).
  • the coupling piece can be placed under the lower corner fitting of an upper container and locked (pre-locked) by moving the actuating slide 72 back into a locked position by releasing the (lower) crossbar 75 by the prestressed compression spring 96 both superimposed crossbar 74, 74 (Fig. 15 and 16).
  • the actuating slide 72 In this position, in which the actuating slide 72 is completely in the housing 70, it is secured by the detent ball 87 engaging in the rear recess 90 (Fig. 15).
  • the actuating slide 72 is completely in the housing 70, namely it is flush with the latter.
  • the (lower) cross bar 75 is brought back into the fully unlocked position due to its helical winding 79 with renewed prestressing of the compression spring 96 (FIGS. 19 and 20), in which the (lower) cross bar 75 can be inserted into the upper corner fitting of the lower container.
  • the coupling piece can be unlocked by pulling the actuating slide 72 out of the housing 70 in certain areas, namely to such an extent that the detent ball 87 engages in the front recess 91 of the actuating slide 72 and prevents the same from being pulled out of the housing 70.
  • the locking bolt 71 is rotated further counterclockwise, to the extent that the smaller cross-sectional dimensions compared to the (lower) crossbar 74 (lower) crossbar 75 disengages from the upper corner fitting of the lower container.
  • a subsequent detachment of the coupling piece from the upper container takes place in turn by manually turning the locking bolt 71 on the (lower) crossbar 75 clockwise until the (upper) crossbar 74 is also in register with the corresponding center piece 28 of the housing 70 and thus the coupling piece is also unlocked from the lower corner fitting of the upper container and can be removed.
  • the coupling piece can be used again for connecting other containers.
  • a special actuating aid can be used to partially unlock the coupling pieces, that is to say to partially pull the actuating slide 72 out of the housing 70 (FIGS. 15 and 17) 104 find use (Fig. 22).
  • This has a tube 105 of corresponding length which can be pushed between adjacent container stacks and which has a transverse handle 106 at the upper end and is provided at the opposite lower end with a driver pin 107 and a U-shaped guide 108 which can be pivoted thereon.
  • the guide is pivotably mounted on a hinge 110 arranged on an outer edge 109 thereof with a pivot plate 111 fastened to the lower end of the tube 105 for receiving the driver pin 107.
  • the housing 70 on the one hand and the actuating slide 72 on the other hand are formed.
  • the housing 70 has tongues 102 on both sides next to the elongated opening 83 for the actuating slide 72, each with an external recess 113, into which the guide 108 of the actuating means 104 engages with its opposite legs 104.
  • the actuating slide 72 has an opening 115 in its outer end region which, when the coupling piece is in the locking position, that is to say between the tongues 112 of the housing 70, is accessible from the outside for receiving the driver pin 107.
  • the actuating aid 104 is attached to the coupling piece in the locking position in such a way that the limbs 114 of the guide 108 are supported in the recesses 113 opposite limbs 114 on the housing 70 and the driver pin 107 enters the opening 115 of the actuating slide 72.
  • the pivot plate 111 with the driver pin 107 is pivoted relative to the guide 108 about the side hinge 110 and the actuating slide 42 is pulled out of the housing 70 so far that the detent ball 87 into the front recess 91 engages (Fig. 17) and thereby the coupling piece is partially unlocked to release the connection between superimposed containers.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Closures For Containers (AREA)
  • Refuse Collection And Transfer (AREA)
  • Apparatus For Making Beverages (AREA)

Claims (25)

  1. Pièce d'accouplement pour liaison détachable d'éléments de coin (26, 27) de conteneurs voisins, en particulier de conteneurs empilés les uns sur les autres à bord de navires, comprenant un boîtier (20, 70), un axe de verrouillage (21, 71) supporté de manière à pouvoir tourner à l'intérieur de ce dernier et présentant des verrous transversaux opposés (33, 34; 74, 75), un moyen d'actionnement pour faire tourner l'axe de verrouillage (21, 71) et au moins un organe à ressort pour faire tourner au moins partiellement automatiquement l'axe de verrouillage (21, 71), caractérisée en ce que le moyen d'actionnement (coulisseau d'actionnement 22, 72) est supporté de manière à pouvoir coulisser longitudinalement dans le boîtier (20, 70) pour faire tourner l'axe de verrouillage (21, 71) par un coulissement longitudinal correspondant du moyen d'actionnement (coulisseau d'actionnement 22, 72) dans le boîtier (20, 70).
  2. Pièce d'accouplement suivant la revendication 1, caractérisée en ce que le moyen d'actionnement (coulisseau d'actionnement 22, 72) est capable de coulisser sur une voie de déplacement rectiligne (axe médian 24) qui s'étend transversalement à un axe médian longitudinal (23) de l'axe de verrouillage (21, 71) et en ce que la voie de déplacement (axe médian 24) se trouve de préférence à côté de l'axe médian longitudinal (23) de l'axe de verrouillage (21, 71).
  3. Pièce d'accouplement suivant l'une des revendications 1 et 2, caractérisée en ce que le moyen d'actionnement est réalisé sous la forme d'un coulisseau d'actionnement allongé (22, 72) qui se trouve de préférence avec son axe longitudinal sur la voie de déplacement (axe médian 24).
  4. Pièce d'accouplement suivant la revendication 3, caractérisée en ce que le coulisseau d'actionnement (22, 72) est supporté à l'aide d'un alésage de passage (55) ou ouverture (83) allongé correspondant dans le boîtier (20, 70), de préférence dans une butée (25) (centrale) de celui-ci, l'alésage de passage (55) ou l'ouverture allongée (83) en particulier se trouvant à côté de l'axe médian longitudinal (23) de l'axe de verrouillage (21, 71) de telle façon que l'ouverture de passage (55) ou l'ouverture allongée (83) soit en communication avec une ouverture de passage (42) pour l'axe de verrouillage (21, 71) dans le boîtier (20, 70).
  5. Pièce d'accouplement suivant la revendication 1 ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que le coulisseau d'actionnement (22, 72) peut être arrêté dans le boîtier (20, 70) dans de préférence deux positions alternatives (position de déverrouillage, position de déverrouillage partiel, position de verrouillage), en particulier par un organe d'encliquetage (bille d'encliquetage 59, 87) qui fixe les profondeurs d'enfoncement alternatives du coulisseau d'actionnement (22) dans le boîtier (20, 70).
  6. Pièce d'accouplement suivant une ou plusieurs des revendications 1 à 5, caractérisée en ce que le coulisseau d'actionnement (72) est en liaison d'engrenage avec l'axe de verrouillage (71), de préférence avec sa partie centrale (73) qui relie les verrous transversaux (74, 75).
  7. Pièce d'accouplement suivant la revendication 6, caractérisée en ce que le coulisseau d'actionnement (72) et la partie centrale (73) de l'axe de verrouillage (71) présentent des dentures correspondantes (denture 81; denture longitudinale 85), les dentures (denture 81; denture longitudinale 85) présentant en particulier un profil arrondi.
  8. Pièce d'accouplement suivant la revendication 7, caractérisée en ce qu'au moins la denture (denture longitudinale 85) s'étend sur le coulisseau d'actionnement (72) sur uniquement une zone (longitudinale) de celui-ci qui est nécessaire pour amener l'axe de verrouillage (71) dans des positions extrêmes correspondantes (position de verrouillage, de verrouillage partiel ou respectivement de verrouillage total) de ses verrous transversaux (74, 75).
  9. Pièce d'accouplement suivant une ou plusieurs des revendications 5 à 8, caractérisée en ce que le coulisseau d'actionnement (72) présente des évidements (90, 91) qui sont agencés à distance l'un de l'autre et qui sont réalisés d'une manière partiellement correspondante à une bille d'encliquetage (87) qui est supportée dans le boîtier (70) de manière à pouvoir être déplacée par une sollicitation de ressort et qui est destinée à arrêter le coulisseau d'actionnement (72) dans une position de verrouillage et de déverrouillage partiel.
  10. Pièce d'accouplement suivant la revendication 1, ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que la longueur du coulisseau d'actionnement (22, 72) est mesurée de telle façon que, lorsque l'axe de verrouillage (21, 71) se trouve dans une position de verrouillage, il se trouve complètement dans le boîtier (20, 70), en se terminant de préférence approximativement à fleur de ce dernier, et que, par contre, dans une position déverrouillée ou partiellement déverrouillée, il fait partiellement saillie hors du boîtier (20, 70).
  11. Pièce d'accouplement suivant la revendication 6 ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que, d'une part, le boîtier (70) présente des organes de guidage (pattes 112; évidements 113) et, d'autre part, le coulisseau d'actionnement (72) présente un organe d'accouplement (ouverture 115) pour l'adaptation d'un moyen auxiliaire d'actionnement (104) destiné au déplacement du coulisseau d'actionnement (72) de préférence d'une position de verrouillage dans une position de déverrouillage partiel.
  12. Pièce d'accouplement suivant la revendication 6 ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que le coulisseau d'actionnement (72) est sollicité par ressort, en particulier dans le sens de la sortie hors du boîtier (70) le long de son axe médian (24), et cela de préférence par un ressort de pression (96) qui est agencé dans le boîtier (70) et qui s'appuie, d'une part, dans le boîtier (70) et, d'autre part, sur l'extrémité (103), située à l'intérieur du boîtier (70), du coulisseau d'actionnement (72).
  13. Pièce d'accouplement suivant la revendication 12, caractérisée en ce que le ressort de pression (96) est, en ce qui concerne sa course élastique et son élasticité, mesuré de façon que, par ce dernier, le levier d'actionnement (72) et l'axe de verrouillage (71) entraîné par engrenage soient automatiquement déplaçables d'une position de déverrouillage total dans une position de verrouillage.
  14. Pièce d'accouplement suivant une ou plusieurs des revendications 1 à 5, caractérisée en ce que le levier d'actionnement (22) est relié à l'axe de verrouillage (21), en particulier à sa partie centrale (32) qui entraîne les verrous transversaux (33, 34), par un organe d'actionnement élastique qui, de préférence, est réalisé sous la forme d'un ressort enroulé (45).
  15. Pièce d'accouplement suivant la revendication 14, caractérisée en ce que le ressort enroulé (45) présente une spire élastique (46) entourant pour la plus grande part la partie centrale (32) de l'axe de verrouillage (21) et une patte de ressort (47) libre qui s'écarte perpendiculairement par rapport à la partie centrale.
  16. Pièce d'accouplement suivant une ou plusieurs des revendications 14 et 15, caractérisée en ce que le ressort d'enroulement (45) est relié par une liaison de forme à la partie centrale (32) de l'axe de verrouillage (21), de préférence de telle façon que la spire élastique (46) du ressort d'enroulement (45) soit en liaison avec la partie centrale (32) de l'axe de verrouillage (21), en particulier par un repli (51) qui est agencé à une extrémité libre de cette spire et qui pénètre dans un évidement correspondant (52) de la partie centrale (32) et/ou en ce que deux ailes droites opposées (48, 49) de la spire élastique (46) pénètrent dans des rainures correspondantes (53) de la partie centrale (32).
  17. Pièce d'accouplement suivant la revendication 14 ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que la patte de ressort (47) du ressort d'enroulement (45) est librement déplaçable dans un dégagement (64) du boîtier (20), en particulier de la butée (25) elle-même, entre la position de déverrouillage et la position de verrouillage de l'axe de verrouillage (21).
  18. Pièce d'accouplement suivant la revendication 1 ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que le coulisseau d'actionnement (22) est, par l'intermédiaire d'une liaison articulée à liaison par la forme (54), accouplé à la patte de ressort (47) du ressort d'enroulement (45), la patte de ressort (47) présentant une ouverture (alésage 63; trou allongé, etc.) en particulier pour la formation de la liaison articulée (54).
  19. Pièce d'accouplement suivant la revendication 3 ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que le coulisseau d'actionnement (22) présente, sur une section qui est en liaison avec l'ouverture (alésage 63, trou allongé, etc.) de la patte de ressort (47), une réduction de section transversale (gradin 62) qui est de préférence réalisée sous la forme d'un gradin ininterrompu (62) à diamètre réduit dans la zone de l'extrémité libre (65) du coulisseau d'actionnement (22).
  20. Pièce d'accouplement suivant la revendication 19, caractérisée en ce que, sur l'extrémité libre (65) du gradin (62) du coulisseau d'actionnement (22), est monté un organe de limitation qui termine du côté extrémité le gradin (62), en particulier une douille d'arrêt vissable (68), pour arrêter de manière articulée par une liaison de forme la patte (47) du ressort d'enroulement (45) sur le coulisseau d'actionnement (22).
  21. Pièce d'accouplement suivant une ou plusieurs des revendications 1 à 20, caractérisée en ce que le boîtier (20, 70) est réalisé d'une pièce et pourvu d'ouvertures (ouvertures de passage 42, 55; ouverture allongée 83) par lesquelles un des verrous transversaux (33; 75), le moyen d'actionnement (coulisseau d'actionnement 22, 72) et l'organe de ressort (ressort d'enroulement 45; ressort de pression 96) peuvent être passés.
  22. Pièce d'accouplement suivant une ou plusieurs des revendications 14 à 21, caractérisée en ce que le ressort d'enroulement (45) est réalisé en alignement par rapport au verrou transversal (supérieur) (33) de l'axe de verrouillage (21), qui correspond à l'ouverture de passage (42).
  23. Pièce d'accouplement suivant l'une des revendications 21 et 22, caractérisée en ce que l'ouverture de passage (42) dans le boîtier (20, 70) est pourvue d'une section transversale qui est réalisée d'une manière correspondant à la surface de base d'un des verrous transversaux (33, 75) de l'axe de verrouillage (21, 71).
  24. Pièce d'accouplement suivant la revendication 1 ainsi que suivant une ou plusieurs des autres revendications, caractérisée en ce que les verrous transversaux (74, 75) sont agencés sur la partie centrale (73) de l'axe de verrouillage (71) en étant dirigé de manière identique, en particulier avec des axes longitudinaux (35, 36) superposés, un verrou transversal (75) étant en particulier réalisé plus étroit que l'autre verrou transversal (74) et que la pièce centrale (29) qui lui est adjointe sur le boîtier (70).
  25. Pièce d'accouplement suivant la revendication 24, caractérisée en ce que le verrou transversal (75) (inférieur) adapté dans la surface de base de l'ouverture de passage (42) du logement (70) est aminci en direction de son extrémité libre, en étant en particulier pourvu aux coins diagonalement opposés d'un agencement hélicoïdal pour la formation d'une spire en forme de vis (79) en vue de la rotation automatique du verrou transversal (75) dans l'ouverture de l'élément de coin d'un conteneur correspondant.
EP90111966A 1989-07-04 1990-06-23 Pièce d'accouplement pour liaison amovible de conteneurs Expired - Lifetime EP0406652B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3921873 1989-07-04
DE3921873 1989-07-04
DE3940881 1989-12-11
DE3940881A DE3940881A1 (de) 1989-07-04 1989-12-11 Kuppelstueck zur loesbaren verbindung von containern

Publications (2)

Publication Number Publication Date
EP0406652A1 EP0406652A1 (fr) 1991-01-09
EP0406652B1 true EP0406652B1 (fr) 1994-08-10

Family

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Application Number Title Priority Date Filing Date
EP90111966A Expired - Lifetime EP0406652B1 (fr) 1989-07-04 1990-06-23 Pièce d'accouplement pour liaison amovible de conteneurs

Country Status (5)

Country Link
US (1) US5141372A (fr)
EP (1) EP0406652B1 (fr)
DE (2) DE3940881A1 (fr)
DK (1) DK0406652T3 (fr)
ES (1) ES2058691T3 (fr)

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GB9508439D0 (en) * 1994-06-25 1995-06-14 Reynard Kenneth Container clamping device
DE19504633A1 (de) * 1994-08-19 1996-02-22 Macgregor Conver Gmbh Kuppelstück zur lösbaren Verbindung von Containern
DE19720238A1 (de) * 1997-05-14 1998-11-19 Frank P Schulz Verriegelung für Container an einem Fahrzeugchassis
SE9801165D0 (sv) * 1998-04-02 1998-04-02 Flodin Ingve Fjärrstyrd upplåsningsmekanism på stapellås
DE29903940U1 (de) * 1999-03-04 1999-09-09 Metternich Metallbau Gmbh R Verriegelungseinrichtung für Container auf dem Chassis eines Fahrzeuges
GB0102907D0 (en) * 2001-02-06 2001-03-21 Upf Uk Ltd Vehicle door hinge
ATE469062T1 (de) * 2006-05-02 2010-06-15 Wader Willi Gmbh Verriegelungsvorrichtung für fracht-container
US8231318B2 (en) * 2009-04-22 2012-07-31 As Ip Holdco, L.L.C. Push and turn nut for quick faucet installation
US9376789B2 (en) 2011-03-08 2016-06-28 As Ip Holdco, Llc Quick connection coupling
CA2846254C (fr) 2011-08-24 2019-09-17 As Ip Holdco, Llc Ensemble de robinets a ecartement pouvant etre installe sans outils, trousses et procedes d'installation
SG11201400467XA (en) * 2011-09-09 2014-04-28 David Robin Bean A locking assembly

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Also Published As

Publication number Publication date
ES2058691T3 (es) 1994-11-01
DE59006749D1 (de) 1994-09-15
EP0406652A1 (fr) 1991-01-09
DE3940881A1 (de) 1991-01-17
DK0406652T3 (da) 1994-12-12
US5141372A (en) 1992-08-25

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