EP1299020B1 - A lid closing arrangement - Google Patents

A lid closing arrangement Download PDF

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Publication number
EP1299020B1
EP1299020B1 EP01944019A EP01944019A EP1299020B1 EP 1299020 B1 EP1299020 B1 EP 1299020B1 EP 01944019 A EP01944019 A EP 01944019A EP 01944019 A EP01944019 A EP 01944019A EP 1299020 B1 EP1299020 B1 EP 1299020B1
Authority
EP
European Patent Office
Prior art keywords
lid
arrangement
spring device
closing
damper
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
EP01944019A
Other languages
German (de)
French (fr)
Other versions
EP1299020A1 (en
Inventor
Göran WERNQVIST
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.)
CK Holding AB
Original Assignee
Karl Fazer Oy AB
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 Karl Fazer Oy AB filed Critical Karl Fazer Oy AB
Publication of EP1299020A1 publication Critical patent/EP1299020A1/en
Application granted granted Critical
Publication of EP1299020B1 publication Critical patent/EP1299020B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/10Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00Show cases or show cabinets
    • A47F3/005Show cases or show cabinets with glass panels
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1207Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
    • E05F1/1215Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a canted-coil torsion spring
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21Brakes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252Type of friction
    • E05Y2201/254Fluid or viscous friction
    • E05Y2201/256Fluid or viscous friction with pistons or vanes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262Type of motion, e.g. braking
    • E05Y2201/264Type of motion, e.g. braking linear
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00Subject-matter not otherwise provided for in this subclass

Definitions

  • the present invention relates to an automatic lid-closing arrangement, preferably for use on containers, boxes, bins or shelves for foods, e.g. a self-service container for sweets.
  • Containers and display cases often wholly or partially transparent, for refrigerated or frozen foods and designed for self-service of sweets in kiosks and stores, are often provided with transparent flap-down lids that can be placed in a permanently open position. In such an open position the food is exposed to the surroundings to a greater extent than if the lid had been closed. From the point of view of hygiene or temperature, therefore, it is desirable for these lids to be kept closed when no goods are being taken from the containers.
  • SE 510 429 also shows an arrangement for automatic closing of a pivotable lid.
  • this lid compresses an elastically deformable air bubble secured in the front wall of the container in the vicinity of the opened lid, the air bubble tending to expand to the starting position and thus press the lid back over its unstable position of equilibrium, after which the lid closes with a bang.
  • a drawback with such a closing arrangement is that the front wall of the container is provided with this arrangement instead of displaying the food inside as much as possible.
  • the bangs when the arrangement closes will be extremely irritating for both customers and store assistants, especially if the number of containers in a particular area may be up to about 200. Each customer who opens the lid must also deform the arrangement if it is to function as intended, which the customers perceive as irritating.
  • US 5,388,281 describes an automatic closure mechanism for a toilet seat which utilizes a dashpot in conjunction with a coil spring that urges the seat to a lowered position from a raised position in that the coil spring is assisted by the gravity when the seat has past its center of gravity towards the damping force of the dashpot.
  • US 4,550,470 describes a combined rotary damper device including a stored energy mechanism and braking mechanism for a lid. When the lid is opened or closed, the braking force of the damper and the resilient force of the coil spring cooperate to generate braking force.
  • the object of the present invention is to solve the above problems and provide a lid-closing arrangement that enables automatic closing of an upwardly openable lid of a container, primarily for food, but which is also applicable to other types of containers such as pharmaceuticals, health products and the like, to protect the contents in the container from the surrounding atmosphere by keeping the lid closed.
  • a second object of the present invention is, in a more hygienic manner than previously, to provide automatic closing of the lid of such a container.
  • Another object is to enable closing of a lid divided into an initiation phase during which the lid is influenced by a closing force, and a closing phase during which the lid is closed by its own dead weight and the force changes into a retarding effect.
  • the object of the present invention is furthermore to provide an inexpensive solution to the above-mentioned problems, which solution also results in improved closing properties of the lid for a container.
  • the object is also to greatly reduce the sound level when the lid is closed.
  • the lid in accordance with the invention is provided with a closing arrangement comprising spring device and damper. These parts may be constructed as separate units or may consist of only one unit in which both spring function and damper function have been combined.
  • the spring device is arranged to initiate a closing movement of the lid from open position and the damper is arranged to dampen the lid's movement, either continuously or at least during a part of the movement, in both directions or only during closing or opening.
  • the spring device also has a retarding effect on the movement of the lid immediately prior to closing, in order to avoid disturbing noise.
  • the spring force is zero upon opening the lid at an angle of 20°-40° upwards from the horizontal plane. When the lid is opened further the spring is tensioned and, when the lid is released, instantaneously initiates closing.
  • the damper which is preferably of silicon grease type, acts as a member for balancing and controlling the speed of movement.
  • the damper is chosen to function within a temperature interval of 18°-25°C for goods at room temperature and within a temperature interval of -8° to 0°C for counters for refrigerated and frozen foods.
  • the number of springs is one or more with different spring characteristics for each damper.
  • the dampers preferably consist of standard components, e.g. Silicon Damper from ITW Produx, the spring(s) being selected and connected to the damper depending on the weight of the lid.
  • Applications of the present invention include lid-closing arrangements in the food branch, particularly for containers for sweets or other self-service products, like those illustrated in the embodiments described in the following. Separate phases for closing lids for different application purposes can be determined with great accuracy as regards time by means of the choice of composite parts in accordance with the present invention.
  • the balancing device to achieve gentle closing of the lid is provided by the torsion springs being tensioned in opposite directions, but may also be in the form of leaf springs, counterweights or some other means.
  • Figure 1 shows a transparent container 1 for sweets, provided with a vertical refilling section 2 and a section 3 for self-service, extending outwardly from the refilling section.
  • the self-service section 3 is limited upwardly, either completely or partially, by a flat transparent lid 4 that is pivotably journalled about a substantially horizontal axis 5 situated close to the refilling part 2.
  • the refilling part 2 is also provided with a lid, not shown.
  • the distance between the axis and the vertical refilling section 2 results in the lid, when flapped up all the way, assuming an angle such that the lid is held open by its own dead weight unless it is influenced by forces other than its dead weight.
  • the lid assumes when closed an angle inclined obliquely to the refilling section.
  • the angle of movement ⁇ between fully open and fully closed position is 90-170°.
  • the angle of movement ⁇ is divided into three parts, ⁇ I , ⁇ II , ⁇ III , where ⁇ I denotes an initiation phase extending from fully open (flapped up) position to a position where the dead weight of the lid takes over continue closing.
  • ⁇ II denotes a first closing phase extending from the position where the dead weight of the lid takes over, to an imagined horizontal plane HP through the axis 5 and
  • ⁇ III denotes the angle between the horizontal plane and a position in which the lid is fully closed. All these positions are indicated in broken lines in the figure.
  • the angle ⁇ II lies within the interval 20°-40°.
  • a closing arrangement 6 is mounted on each side of the lid between the lid 4 and the self-service section 3. The closing arrangement is mounted in cavities in the rear edge of the lid, said cavities extending inwardly towards the centre of the lid along its axis 5.
  • Figure 2 shows a dismantled, non-transparent lid 4 provided with said cavities 7 for the closing arrangement 6 in the rear edge of the lid.
  • a groove At the bottom of the cavity is a groove in which the end of the co-operating end of the outer casing 9 of a damper 8 is arranged to be introduced to prevent the outer casing 9 turning in relation to the lid 4.
  • the other end of the damper 8 is provided with a rotary body 10 that is inserted into the outer casing 9 and provided with driving surfaces, not shown, designed to convey silicon grease within the damper when the rotary body 10 is turned in relation to the outer casing 9.
  • the end of the rotary body 10 is also provided with a quadratic hole 11 in which a co-operating quadratic peg 12 is inserted.
  • the peg is fixed on a bearing plate 13 provided on its opposite side with an assembly a mounting stud 14 to fit a corresponding recess in the side wall of the container at assembly.
  • the bearing plate is also mounted on the container and prevented from rotating by an edge 15 co-operating with the container.
  • a spring device 16 in the form of a cylindrical torsion spring is also mounted around the outer casing of the damper at its outer end, one end of the spring device 16 being clamped in the bearing plate 13 while its other end is clamped in the lid 4 or in the cavity 7 of the lid.
  • the spring device 16 is so clamped between the lid and the container that it is unloaded at an opening angle of 20°-40° upwards from the horizontal plane HP when the lid is fitted.
  • Figure 3 shows the lid and its closing arrangement in a section through the axis 5, the dampers 8 being mounted in the two cavities 7 in the lid 4.
  • the dampers 8 are here clamped against rotation between the lid 4 and the bearing plates 13.
  • the figure also shows how the spring device 16 is placed when the lid is fitted.
  • the figure also shows how the bearing plates 13 are prevented by the edge 15 from turning in relation to the container 1.
  • Figure 4 shows a second embodiment of the invention in which a closing arrangement 46 is arranged to act between the lid 44 and the container 1.
  • the closing arrangement 46 comprises a sleeve 47 fitted into a recess 48 in the lid 44.
  • Figure 5 reveals that the sleeve is provided with a groove 49 to prevent the sleeve 47 turning in relation to the lid 44.
  • the closing arrangement 46 also comprises an effecting body 50 which is either pressed or glued into the sleeve 47.
  • Figure 6 shows the effecting body 50 in fig. 5 in dismantled state to reveal a spring device 56 and two damper halves 57a, 57b in a damper 57.
  • This embodiment of the closing arrangement also shows the surfaces 58 mentioned above, which form a part of the damper 57.
  • a pivot means 59 provided with a pivot 60 on one side and a driving means 61 on the other.
  • the driving means 61 engages in one half 57a of the damper, which is turned together with the pivot means 59 so that a relative movement is produced between the two halves of the damper.
  • An end piece 62 provided with locking catches 63 is arranged to be snapped into place on a damper housing 65 provided with protrusions 64.
  • the spring member 56 in the form of a cylindrical torsion spring is fitted around the damper halves 57a, 57b. One end of the spring is secured in the pivot means 59 and its other end is secured in the damper housing 65. The spring is thus tensioned depending on the rotation of the pivot 60, which in turn is dependent on the position of the lid in the embodiment shown in fig. 1.
  • the lid is closed, i.e. in its flapped-down position.
  • a customer wishes to take sweets from the self-service section 3 of the container 1, he/she opens the lid 4 to a fully open position, i.e. the lid is flapped up until it encounters the refilling section 2 of the container, i.e. the position shown in broken lines in fig. 1.
  • the spring device 6 influences the lid to resume its normal position, i.e. the spring device slowly turns the lid back past an upper dead position during the initiation phase ⁇ I which is determined as regards time to a suitable value in the interval 2-30 sec, e.g. 20 sec, so that the customer has time to take out the desired amount of sweets.
  • the lid then continues its movement more quickly, due to force of gravity, down to its normal position during the closing phase ⁇ II , dampened by the damper 8, 57.
  • the time required for this closing phase is considerably shorter than during the initiation phase.
  • a suitable duration for the closing phase is about 2 seconds.
  • the damper operates in combination with the spring device which is tensioned in the opposite direction in order to avoid disturbing noise when the lid is closed.
  • a cylindrical draw spring for instance, may be mounted at a tangent to the periphery of the damper.
  • the dampers can also be chosen or adjusted to the type of lid in current use.

Landscapes

  • Closures For Containers (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Seal Device For Vehicle (AREA)
  • Glass Compositions (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Connection Of Plates (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Extensible Doors And Revolving Doors (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

A closing arrangement for and method of closing a lid (4, 44) that is normally in closed position, which lid (4, 44) is pivotable about a substantially horizontal axis (5), the arrangement comprising a spring device (16, 56) acting between the lid (4, 44) and a container (1) on which the lid (4, 44) is fitted, which spring device (16, 56) is arranged to be tensioned when the lid (4, 44) is opened and to commence closing the lid (4, 44) from an open position at least as far as a position in which the lid continues the closing action on its own due to the force of gravity, a damper (8, 57) being arranged to dampen the movement of the lid (4, 44) at least during a part of the lid's (4, 44) movement from open position to closed position.

Description

Technical field
The present invention relates to an automatic lid-closing arrangement, preferably for use on containers, boxes, bins or shelves for foods, e.g. a self-service container for sweets.
Background art
Containers and display cases, often wholly or partially transparent, for refrigerated or frozen foods and designed for self-service of sweets in kiosks and stores, are often provided with transparent flap-down lids that can be placed in a permanently open position. In such an open position the food is exposed to the surroundings to a greater extent than if the lid had been closed. From the point of view of hygiene or temperature, therefore, it is desirable for these lids to be kept closed when no goods are being taken from the containers.
Automatically closing lids are already known in the form of double-walled constructions in which a liquid flows between various spaces to alter the centre of gravity of the lid, thereby achieving automatic closing. Such a construction is extremely expensive if the installation is to be carried out on a large number of containers spread nationally and/or internationally. The liquid-filled lid also impairs transparency and thus display of the food. Liquid in the lid is also perceived as unhygienic since leakage may occur.
SE 510 429 also shows an arrangement for automatic closing of a pivotable lid. When opened this lid compresses an elastically deformable air bubble secured in the front wall of the container in the vicinity of the opened lid, the air bubble tending to expand to the starting position and thus press the lid back over its unstable position of equilibrium, after which the lid closes with a bang. A drawback with such a closing arrangement is that the front wall of the container is provided with this arrangement instead of displaying the food inside as much as possible. Furthermore, the bangs when the arrangement closes will be extremely irritating for both customers and store assistants, especially if the number of containers in a particular area may be up to about 200. Each customer who opens the lid must also deform the arrangement if it is to function as intended, which the customers perceive as irritating.
US 5,388,281 describes an automatic closure mechanism for a toilet seat which utilizes a dashpot in conjunction with a coil spring that urges the seat to a lowered position from a raised position in that the coil spring is assisted by the gravity when the seat has past its center of gravity towards the damping force of the dashpot.
US 4,550,470 describes a combined rotary damper device including a stored energy mechanism and braking mechanism for a lid. When the lid is opened or closed, the braking force of the damper and the resilient force of the coil spring cooperate to generate braking force.
Object of the invention
The object of the present invention is to solve the above problems and provide a lid-closing arrangement that enables automatic closing of an upwardly openable lid of a container, primarily for food, but which is also applicable to other types of containers such as pharmaceuticals, health products and the like, to protect the contents in the container from the surrounding atmosphere by keeping the lid closed.
A second object of the present invention is, in a more hygienic manner than previously, to provide automatic closing of the lid of such a container.
Another object is to enable closing of a lid divided into an initiation phase during which the lid is influenced by a closing force, and a closing phase during which the lid is closed by its own dead weight and the force changes into a retarding effect.
The object of the present invention is furthermore to provide an inexpensive solution to the above-mentioned problems, which solution also results in improved closing properties of the lid for a container.
The object is also to greatly reduce the sound level when the lid is closed.
Brief description of the invention
The present invention, as defined in the independent claims 1 and 10, fulfils the objects listed above, thereby eliminating the drawbacks mentioned. Suitable embodiments of the invention are defined in the dependent claims.
The lid in accordance with the invention is provided with a closing arrangement comprising spring device and damper. These parts may be constructed as separate units or may consist of only one unit in which both spring function and damper function have been combined. The spring device is arranged to initiate a closing movement of the lid from open position and the damper is arranged to dampen the lid's movement, either continuously or at least during a part of the movement, in both directions or only during closing or opening. The spring device also has a retarding effect on the movement of the lid immediately prior to closing, in order to avoid disturbing noise. The spring force is zero upon opening the lid at an angle of 20°-40° upwards from the horizontal plane. When the lid is opened further the spring is tensioned and, when the lid is released, instantaneously initiates closing. If the angle of opening is less than 20°-40° the spring is tensioned in the other direction to retard and balance the weight of the lid so that it closes gently. Throughout the movement of the lid the damper, which is preferably of silicon grease type, acts as a member for balancing and controlling the speed of movement. The damper is chosen to function within a temperature interval of 18°-25°C for goods at room temperature and within a temperature interval of -8° to 0°C for counters for refrigerated and frozen foods.
The number of springs is one or more with different spring characteristics for each damper. The dampers preferably consist of standard components, e.g. Silicon Damper from ITW Produx, the spring(s) being selected and connected to the damper depending on the weight of the lid.
Applications of the present invention include lid-closing arrangements in the food branch, particularly for containers for sweets or other self-service products, like those illustrated in the embodiments described in the following. Separate phases for closing lids for different application purposes can be determined with great accuracy as regards time by means of the choice of composite parts in accordance with the present invention.
In the embodiments illustrated below the balancing device to achieve gentle closing of the lid is provided by the torsion springs being tensioned in opposite directions, but may also be in the form of leaf springs, counterweights or some other means.
Brief description of the drawings
The invention will now be described in more detail with reference to the accompanying drawings.
Figure 1
shows a view in perspective of a first embodiment of the present invention.
Figure 2
shows an exploded view of a lid with spring device and damper in accordance with the embodiment in fig. 1.
Figure 3
shows a section through the axis of rotation, in which both sides of the lid are provided with a spring device and a damper as shown in fig. 2.
Figure 4
shows a view in perspective of a second embodiment of the present invention.
Figure 5
shows an exploded view of a lid with a closing arrangement as shown in the embodiment in fig. 4.
Figure 6
shows an exploded view of a closing arrangement with damper and spring device as shown in the embodiment in fig. 5.
Description of the invention
Figure 1 shows a transparent container 1 for sweets, provided with a vertical refilling section 2 and a section 3 for self-service, extending outwardly from the refilling section. The self-service section 3 is limited upwardly, either completely or partially, by a flat transparent lid 4 that is pivotably journalled about a substantially horizontal axis 5 situated close to the refilling part 2. The refilling part 2 is also provided with a lid, not shown. As is clear from the drawing, the distance between the axis and the vertical refilling section 2 results in the lid, when flapped up all the way, assuming an angle such that the lid is held open by its own dead weight unless it is influenced by forces other than its dead weight. In the embodiment shown, the lid assumes when closed an angle inclined obliquely to the refilling section. The angle of movement α between fully open and fully closed position is 90-170°. The angle of movement α is divided into three parts, αI, αII, αIII, where αI denotes an initiation phase extending from fully open (flapped up) position to a position where the dead weight of the lid takes over continue closing. αII denotes a first closing phase extending from the position where the dead weight of the lid takes over, to an imagined horizontal plane HP through the axis 5 and αIII denotes the angle between the horizontal plane and a position in which the lid is fully closed. All these positions are indicated in broken lines in the figure. The angle αII lies within the interval 20°-40°. A closing arrangement 6 is mounted on each side of the lid between the lid 4 and the self-service section 3. The closing arrangement is mounted in cavities in the rear edge of the lid, said cavities extending inwardly towards the centre of the lid along its axis 5.
Figure 2 shows a dismantled, non-transparent lid 4 provided with said cavities 7 for the closing arrangement 6 in the rear edge of the lid. At the bottom of the cavity is a groove in which the end of the co-operating end of the outer casing 9 of a damper 8 is arranged to be introduced to prevent the outer casing 9 turning in relation to the lid 4. The other end of the damper 8 is provided with a rotary body 10 that is inserted into the outer casing 9 and provided with driving surfaces, not shown, designed to convey silicon grease within the damper when the rotary body 10 is turned in relation to the outer casing 9. The end of the rotary body 10 is also provided with a quadratic hole 11 in which a co-operating quadratic peg 12 is inserted. The peg is fixed on a bearing plate 13 provided on its opposite side with an assembly a mounting stud 14 to fit a corresponding recess in the side wall of the container at assembly. The bearing plate is also mounted on the container and prevented from rotating by an edge 15 co-operating with the container.
A spring device 16 in the form of a cylindrical torsion spring is also mounted around the outer casing of the damper at its outer end, one end of the spring device 16 being clamped in the bearing plate 13 while its other end is clamped in the lid 4 or in the cavity 7 of the lid.
The spring device 16 is so clamped between the lid and the container that it is unloaded at an opening angle of 20°-40° upwards from the horizontal plane HP when the lid is fitted.
Figure 3 shows the lid and its closing arrangement in a section through the axis 5, the dampers 8 being mounted in the two cavities 7 in the lid 4. The dampers 8 are here clamped against rotation between the lid 4 and the bearing plates 13. The figure also shows how the spring device 16 is placed when the lid is fitted. The figure also shows how the bearing plates 13 are prevented by the edge 15 from turning in relation to the container 1.
Figure 4 shows a second embodiment of the invention in which a closing arrangement 46 is arranged to act between the lid 44 and the container 1. The closing arrangement 46 comprises a sleeve 47 fitted into a recess 48 in the lid 44.
Figure 5 reveals that the sleeve is provided with a groove 49 to prevent the sleeve 47 turning in relation to the lid 44. The closing arrangement 46 also comprises an effecting body 50 which is either pressed or glued into the sleeve 47.
Figure 6 shows the effecting body 50 in fig. 5 in dismantled state to reveal a spring device 56 and two damper halves 57a, 57b in a damper 57. This embodiment of the closing arrangement also shows the surfaces 58 mentioned above, which form a part of the damper 57. A pivot means 59 provided with a pivot 60 on one side and a driving means 61 on the other. The driving means 61 engages in one half 57a of the damper, which is turned together with the pivot means 59 so that a relative movement is produced between the two halves of the damper. An end piece 62 provided with locking catches 63 is arranged to be snapped into place on a damper housing 65 provided with protrusions 64. The spring member 56 in the form of a cylindrical torsion spring is fitted around the damper halves 57a, 57b. One end of the spring is secured in the pivot means 59 and its other end is secured in the damper housing 65. The spring is thus tensioned depending on the rotation of the pivot 60, which in turn is dependent on the position of the lid in the embodiment shown in fig. 1.
The function of the lid-closing arrangement in accordance with the embodiments shown in conjunction with its use in a sweets dispenser is a follows:
Normally the lid is closed, i.e. in its flapped-down position. When a customer wishes to take sweets from the self-service section 3 of the container 1, he/she opens the lid 4 to a fully open position, i.e. the lid is flapped up until it encounters the refilling section 2 of the container, i.e. the position shown in broken lines in fig. 1. When the customer releases the lid the spring device 6 influences the lid to resume its normal position, i.e. the spring device slowly turns the lid back past an upper dead position during the initiation phase αI which is determined as regards time to a suitable value in the interval 2-30 sec, e.g. 20 sec, so that the customer has time to take out the desired amount of sweets. The lid then continues its movement more quickly, due to force of gravity, down to its normal position during the closing phase αII, dampened by the damper 8, 57. The time required for this closing phase is considerably shorter than during the initiation phase. A suitable duration for the closing phase is about 2 seconds. Particularly immediately prior to the closing of the lid 4 the damper operates in combination with the spring device which is tensioned in the opposite direction in order to avoid disturbing noise when the lid is closed.
Within the scope of the invention it is also possible to vary the spring devices, both as to type and placing. A cylindrical draw spring, for instance, may be mounted at a tangent to the periphery of the damper. The dampers can also be chosen or adjusted to the type of lid in current use.

Claims (9)

  1. A closing arrangement for a lid (4, 44) mountable on a self service container, which lid (4, 44) is normally in closed position and pivotable about a substantially horizontal axis (5), the arrangement comprising a spring device (16, 56) acting between the lid (4, 44) and a container (1) on which the lid (4, 44) is fitted, which spring device (16, 56) is arranged to be tensioned when the lid (4,44) is opened and whereby the arrangement also comprises a damper (8, 57) characterized in that said spring device (16, 56) commences closing the lid (4, 44) from an open position to a position in which the lid continues the closing action on its own due to the force of gravity and in that the damper (8, 57) is arranged to dampen the movement of the lid (4, 44) during only a part of the lid's (4,44) movement from open position to closed position.
  2. An arrangement as claimed in claim 1, characterized in that a balancing device is also arranged to be activated before the lid (4, 44) is closed in order to obtain a retarding force when the lid (4, 44) is closed.
  3. An arrangement as claimed in claim 2, characterized in that the balancing device consists of the spring device (16, 56) which is arranged to be tensioned in the opposite direction to the dead weight of the lid (4, 44) when it is closed.
  4. An arrangement as claimed in any one of claims 1-3, characterized in that the spring device (16, 56) is clamped in unloaded state between the lid (4, 44) and the container (1) at an angle of the lid (4, 44) within the interval 20°-40° upwards from a horizontal plane (HP) through the axis (5).
  5. An arrangement as claimed in any one of claims 1-4, characterized in that the spring device (16, 56) and the damper (8, 57) are mounted on or in direct connection with the axis (5).
  6. An arrangement as claimed in claim 5, characterized in that the spring device (16, 56) is mounted on one side of the axis (5) and the damper (8, 57) is mounted on the other side of the axis (5).
  7. An arrangement as claimed in claim 5, characterized in that the spring device (16, 56) consists of a cylindrical helical spring mounted around the damper (8, 57) which consists of a cylindrical torsion damper, the spring device (16, 56) and the damper (8, 57) being mounted at the same end of the axis (5).
  8. An arrangement as claimed in any one of claims 1-7, characterized in that the time from when the spring device (16, 56) commences closing the led (4, 44) from fully open position to a position when the force of gravity takes over continued closing is 2-30 s.
  9. An arrangement as claimed in any one of claims 1-8, characterized in that the spring device (16, 56) is arranged to instantaneously commence closing the lid (4, 44) when it is released from its open position
EP01944019A 2000-06-19 2001-06-18 A lid closing arrangement Expired - Lifetime EP1299020B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0002288 2000-06-19
SE0002288A SE519509C2 (en) 2000-06-19 2000-06-19 Door Fastener
PCT/SE2001/001375 WO2001097659A1 (en) 2000-06-19 2001-06-18 A lid closing arrangement

Publications (2)

Publication Number Publication Date
EP1299020A1 EP1299020A1 (en) 2003-04-09
EP1299020B1 true EP1299020B1 (en) 2005-12-28

Family

ID=20280145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01944019A Expired - Lifetime EP1299020B1 (en) 2000-06-19 2001-06-18 A lid closing arrangement

Country Status (11)

Country Link
EP (1) EP1299020B1 (en)
AT (1) ATE313989T1 (en)
AU (1) AU2001266468A1 (en)
DE (1) DE60116310T2 (en)
DK (1) DK1299020T3 (en)
EE (1) EE04795B1 (en)
NO (1) NO316305B1 (en)
PL (1) PL360471A1 (en)
RU (1) RU2269915C2 (en)
SE (1) SE519509C2 (en)
WO (1) WO2001097659A1 (en)

Cited By (7)

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Publication number Priority date Publication date Assignee Title
DE102011011580B3 (en) * 2011-02-18 2012-07-19 Kesseböhmer Warenpräsentation GmbH & Co.KG Dispensing device for baked goods e.g. bread, in supermarket, has swivel unit braked and displaced around axis such that swivel unit cooperates with gearing profile in region of guide legs, where profile is connected with pinion of dampers
US8955805B2 (en) 2012-02-14 2015-02-17 C&D Zodiac, Inc. Pivot bin assembly
US9365291B2 (en) 2012-02-14 2016-06-14 C&D Zodiac, Inc. Passenger service unit pod assembly
USD784904S1 (en) 2015-02-02 2017-04-25 C&D Zodiac, Inc. Aircraft passenger service unit
USD784905S1 (en) 2013-02-12 2017-04-25 C&D Zodiac, Inc. Storage bin for aircraft
US10029794B2 (en) 2012-02-14 2018-07-24 C&D Zodiac, Inc. Outboard rotating pivot bin assembly
US10112717B2 (en) 2012-02-14 2018-10-30 C&D Zodiac, Inc. Pivot bin assembly with two part pivot axle

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US6857538B2 (en) * 2002-04-25 2005-02-22 Tsong-Yow Lin Garbage bin with cover
DE20212022U1 (en) 2002-08-05 2002-09-26 Arturo Salice S.P.A., Novedrate, Como hinge
US9079528B2 (en) 2012-02-14 2015-07-14 C&D Zodiac, Inc. PSU pod assembly and method for using same
USD875641S1 (en) 2015-02-02 2020-02-18 C&D Zodiac, Inc. Personal service unit
DE102015224304A1 (en) * 2015-12-04 2017-06-22 Robert Bosch Gmbh Battery system with a device for completing a housing of the battery system
WO2017099977A1 (en) 2015-12-07 2017-06-15 C&D Zodiac, Inc. Storage bin with luggage positioning protrusions
DE202019106033U1 (en) * 2019-10-30 2021-02-02 Wanzl GmbH & Co. KGaA Shelving system

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JPS59222631A (en) * 1983-06-01 1984-12-14 Nifco Inc Rotary damper device
IE57442B1 (en) * 1986-07-02 1992-09-09 Inst For Ind Res & Standards Improvements to a product display and dispensing unit
US5361927A (en) * 1993-06-28 1994-11-08 Max Display Fixtures & Woodworks Damped hinge mounting mechanism
US5546894A (en) * 1995-04-26 1996-08-20 St-Pierre; Roger Self-closable food container assembly for an animal with a muzzle

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US5388281A (en) * 1993-09-27 1995-02-14 Wiklund; Ken Automatic closure mechanism for a toilet seat

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011011580B3 (en) * 2011-02-18 2012-07-19 Kesseböhmer Warenpräsentation GmbH & Co.KG Dispensing device for baked goods e.g. bread, in supermarket, has swivel unit braked and displaced around axis such that swivel unit cooperates with gearing profile in region of guide legs, where profile is connected with pinion of dampers
US8955805B2 (en) 2012-02-14 2015-02-17 C&D Zodiac, Inc. Pivot bin assembly
US9174734B2 (en) 2012-02-14 2015-11-03 C&D Zodiac, Inc. Pivot bin assembly
US9365291B2 (en) 2012-02-14 2016-06-14 C&D Zodiac, Inc. Passenger service unit pod assembly
US10000286B2 (en) 2012-02-14 2018-06-19 C&D Zodiac, Inc. Pivot bin assembly with lift assist
US10029794B2 (en) 2012-02-14 2018-07-24 C&D Zodiac, Inc. Outboard rotating pivot bin assembly
US10112717B2 (en) 2012-02-14 2018-10-30 C&D Zodiac, Inc. Pivot bin assembly with two part pivot axle
USD784905S1 (en) 2013-02-12 2017-04-25 C&D Zodiac, Inc. Storage bin for aircraft
USD784904S1 (en) 2015-02-02 2017-04-25 C&D Zodiac, Inc. Aircraft passenger service unit

Also Published As

Publication number Publication date
EE200200702A (en) 2004-08-16
SE0002288D0 (en) 2000-06-19
DE60116310D1 (en) 2006-02-02
EP1299020A1 (en) 2003-04-09
RU2269915C2 (en) 2006-02-20
NO20026088L (en) 2002-12-18
EE04795B1 (en) 2007-04-16
AU2001266468A1 (en) 2002-01-02
SE0002288L (en) 2001-12-20
DK1299020T3 (en) 2006-05-15
DE60116310T2 (en) 2006-08-31
NO20026088D0 (en) 2002-12-18
NO316305B1 (en) 2004-01-12
WO2001097659A1 (en) 2001-12-27
SE519509C2 (en) 2003-03-04
PL360471A1 (en) 2004-09-06
ATE313989T1 (en) 2006-01-15

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