EP0814223B1 - Mécanisme de verrouillage, notamment pour conteneurs de colis - Google Patents

Mécanisme de verrouillage, notamment pour conteneurs de colis Download PDF

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Publication number
EP0814223B1
EP0814223B1 EP19970610024 EP97610024A EP0814223B1 EP 0814223 B1 EP0814223 B1 EP 0814223B1 EP 19970610024 EP19970610024 EP 19970610024 EP 97610024 A EP97610024 A EP 97610024A EP 0814223 B1 EP0814223 B1 EP 0814223B1
Authority
EP
European Patent Office
Prior art keywords
spring arm
locking mechanism
housing
free space
aperture
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
EP19970610024
Other languages
German (de)
English (en)
Other versions
EP0814223A3 (fr
EP0814223A2 (fr
Inventor
Ove Magard-Hansen
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.)
Fabriken Asbro ApS
Original Assignee
Fabriken Asbro ApS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fabriken Asbro ApS filed Critical Fabriken Asbro ApS
Publication of EP0814223A2 publication Critical patent/EP0814223A2/fr
Publication of EP0814223A3 publication Critical patent/EP0814223A3/fr
Application granted granted Critical
Publication of EP0814223B1 publication Critical patent/EP0814223B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/10—Hook fastenings; Fastenings in which a link engages a fixed hook-like member
    • E05C19/12—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis
    • E05C19/14—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis with toggle action

Definitions

  • the invention relates to a locking mechanism especially for parcel containers and of the kind that comprises a base plate onto which a housing in the shape of a U-bend plate is mounted, wherein a pawl is arranged having a hook-shaped catching end, and said pawl over a cranked and pivotally mounted spring arm is connected to a turnable handle, and where the spring arm extends through an aperture in the edge of the housing.
  • a locking mechanism comprising a spring arm having a hook-shaped first end arid second end which is hinged to a lever, which lever is hinged to a base plate.
  • the lever When operating the mechanism, the lever is placed in a backward position, whereby the spring arm is released so that the hook-shaped end may be interlocked with another object, which object is to be locked together with the mechanism.
  • the lever may be forced and turned to its forward position, whereby the spring arm is tensioned and the locking mechanism is activated.
  • the lever comprises two strengthening sideflaps, which narrowly pass by the spring arm, when the lever is turned to the locking position.
  • the person operating the locking mechanism would normally use one hand to move and interlock the spring arm, and keep in position, before and while the other hand is used to turn the lever.
  • the hand holding the spring arm might be severely injured by the sideflaps of the lever in a scissor-like manner.
  • the risk is increased by the fact, that the spring arm is drawn towards the hazard zone, when the lever is turned.
  • the applicant has through many years performed an intensive product development of the above-mentioned type of locking mechanisms for wheelable parcel containers that are used by postal services.
  • the sides of these containers consist of a frame carrying a wire grid.
  • At least one of the ends in such a container which is approximately the height of a man, is made as a side-hinged door, or rather two or more half doors each provided with a locking mechanism of the described type.
  • the pawl with the hook-shaped catching end grips about the frame of the adjacent side wall.
  • the locking mechanism it has proven difficult immediately to obtain the wanted clamping force, i.e. that must be exercised on the handle for opening the closure mechanism.
  • the shape of the spring arm means that a comparatively large free space is created between the spring arm and the housing.
  • the free space is abundantly large, so that a person accidentally can get the end of a finger therein with the risk of damaging it whilst closing the locking mechanism.
  • the mutilation can be of serious nature as the spring arm performs a cutting during its way down into the aperture in the housing and force influence at the same time is relatively huge. Security-wise one would speculate in making an capsulation, but this would mean a more expensive product that for competitive reasons itself has the price been kept low.
  • the locking mechanism displayed in the drawing is intended for wheelable parcel containers where the sides consist of a frame in which a wire grid is mounted. In one end of the container there is a side-hinged half door, i.e. two door sections arranged on top of each other and each provided with a locking mechanism.
  • the locking mechanism comprises a base plate 2 and a front plate 4, in which a housing is raised by a pressing as a guide for a pawl 8 that consists of a front piece 10 and a back piece 12 parallel hereto.
  • a hooked bending 14 is formed disposed for gripping around the frame 16 - shown here with a circular cross-section - on the adjacent side.
  • a spring arm 20 is secured to the rear end of the pawl 8 which is rotary mounted on a bushing 18. As shown in the figures, the end of the spring arm is curled for the creation of two eyes 22, 24 - the first 22 for the bushing 18 and the second 24 for a sleeve of elastic material.
  • the other end of the spring arm is rotably connected to a handle 26, since the spring arm here also is curled into an eye 28, through which a through-going machine screw 30 is placed in the handle, which innermost end consists of a front piece 32 that is displaced for the creation of the handle and a back piece 34.
  • the handle is pivotally mounted on a bushing 36 that is placed through a hole in the front end of the handle.
  • This safety problem can according to the invention be solved by a particular kind of shape of the spring arm, and embodiments of such kind of shape are shown in figures 5-8 of the drawing, in comparison the known spring arm is shown in figure 4.
  • the spring arm shown in fig. 5 differs from the known springs in that the eye 28 for the screw of the handle is curled from beneath and upwards, while it is curled from above and downwards by the known spring arms.
  • the expansion of this new shaping of the spring arm is indicated by a dotted line in fig. 3, where the particularity precisely is that the end that extends into the housing is identical with the known spring arm. It is precisely the characteristic by the invention that the safety problem is solved without further intervention in the constructional design.
  • the problem of avoiding injuring a finger can also be solved by exploiting the material 42 that otherwise is punched out in the housing for the creation of the aperture, through which the spring slides in and out of the housing.
  • the housing is shown directly from above.
  • a punching on the innermost lengthways side and the end and bend the material upwards around the outermost lengthways side 44, the material will appear as a protecting flap covering the free space underneath the spring arm.
  • a partial punching can also be performed so that a triangular flap is left, as indicated by dotted line, so that the upper edge will flush with the spring arm when the locking mechanism is in its open position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Closing Of Containers (AREA)

Claims (5)

  1. Mécanisme de verrouillage spécialement pour des conteneurs de colis et du type qui comprend une plaque de base (2) sur laquelle un boítier (6) sous la forme d'une plaque pliée en U est montée, dans lequel un cliquet (8) est agencé ayant une extrémité de préhension en forme de crochet, et ledit cliquet sur un bras ressort coudé et monté de façon pivotante (20) est relié à une poignée pouvant tourner (26), et où le bras ressort s'étend à travers une ouverture dans le côté du boítier,
    caractérisé en ce que le bras ressort (20) est coudé de telle façon que l'espace libre (38), qui apparaít entre une zone de l'ouverture du boítier et ce bras, est faible, de sorte qu'un doigt ne peut pas être inséré dans celui-ci même quand le mécanisme de verrouillage est dans sa position ouverte maximale, mais que le bras ressort est encore capable de produire la force de fermeture voulue pour le mécanisme de verrouillage.
  2. Mécanisme de verrouillage selon la revendication 1,
    caractérisé en ce que l'oeillet (28) du bras ressort, qui entoure l'axe de pivotement de la poignée (26), est recourbé de dessous et vers le haut.
  3. Mécanisme de verrouillage selon la revendication 1,
    caractérisé en ce que la section centrale sur le bras ressort (20) est recourbée (40) pour obturer l'espace libre en dessous du ressort.
  4. Mécanisme de verrouillage selon la revendication 1,
    caractérisé en ce que l'extrémité du bras ressort (20) est prolongé (46) en arrière sous ce bras ressort pour obturer l'espace libre au-dessous du bras ressort.
  5. Mécanisme de verrouillage spécialement pour des conteneurs de colis et du type qui comprend une plaque de base (2) sur laquelle un boítier (6) sous la forme d'une plaque pliée en U est montée, dans lequel un cliquet (8) est agencé ayant une extrémité de préhension en forme de crochet, et ledit cliquet sur un bras ressort coudé et monté de façon pivotante (20) est relié à une poignée pouvant tourner (26), et où le bras ressort s'étend à travers une ouverture dans le côté du boítier,
    caractérisé en ce que de la matière (42) à partir de l'ouverture est pliée le long de l'un des grands côtés (44) de sorte qu'un rabat est en saillie qui couvre l'espace libre sous le bras ressort quand le mécanisme de verrouillage est ouvert.
EP19970610024 1996-06-17 1997-06-16 Mécanisme de verrouillage, notamment pour conteneurs de colis Expired - Lifetime EP0814223B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK66696A DK66696A (da) 1996-06-17 1996-06-17 Lukketøj især til postcontainere og lignende
DK66696 1996-06-17

Publications (3)

Publication Number Publication Date
EP0814223A2 EP0814223A2 (fr) 1997-12-29
EP0814223A3 EP0814223A3 (fr) 1998-04-01
EP0814223B1 true EP0814223B1 (fr) 2003-03-12

Family

ID=8096152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970610024 Expired - Lifetime EP0814223B1 (fr) 1996-06-17 1997-06-16 Mécanisme de verrouillage, notamment pour conteneurs de colis

Country Status (4)

Country Link
EP (1) EP0814223B1 (fr)
DE (1) DE69719609T2 (fr)
DK (2) DK66696A (fr)
NO (1) NO312451B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2955347B1 (fr) * 2010-01-21 2012-01-27 Eurocopter France Dispositif de verrouillage d'un element contre une structure adjacente, aeronef muni dudit dispositif et procede d'extraction mis en oeuvre par ledit dispositif

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1871580A (en) * 1931-12-10 1932-08-16 John J Beadle Closure fastener
GB599204A (en) * 1944-06-12 1948-03-08 Bassick Co Improvements in or relating to lid fasteners
GB1481136A (en) * 1974-06-18 1977-07-27 Dzus Fastener Co Toggle latches
US4396217A (en) * 1981-04-28 1983-08-02 Hodgson R W Clamp hand protector
GB8414274D0 (en) * 1984-06-05 1984-07-11 Ttb Fabrications Ltd Compaction container door control

Also Published As

Publication number Publication date
NO312451B1 (no) 2002-05-13
DE69719609T2 (de) 2003-12-18
DE69719609D1 (de) 2003-04-17
EP0814223A3 (fr) 1998-04-01
DK0814223T3 (da) 2003-05-19
NO972772L (no) 1997-12-18
NO972772D0 (no) 1997-06-16
EP0814223A2 (fr) 1997-12-29
DK66696A (da) 1997-12-18

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