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WO2013080230A1 - Système de fermeture pour tiroirs de meubles - Google Patents

Système de fermeture pour tiroirs de meubles Download PDF

Info

Publication number
WO2013080230A1
WO2013080230A1 PCT/IT2011/000390 IT2011000390W WO2013080230A1 WO 2013080230 A1 WO2013080230 A1 WO 2013080230A1 IT 2011000390 W IT2011000390 W IT 2011000390W WO 2013080230 A1 WO2013080230 A1 WO 2013080230A1
Authority
WO
WIPO (PCT)
Prior art keywords
appendix
plate
drawer
block
seat
Prior art date
Application number
PCT/IT2011/000390
Other languages
English (en)
Inventor
Enrico Ciacchini
Fiorenzo Bandecchi
Original Assignee
Enrico Ciacchini
Fiorenzo Bandecchi
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 Enrico Ciacchini, Fiorenzo Bandecchi filed Critical Enrico Ciacchini
Priority to PCT/IT2011/000390 priority Critical patent/WO2013080230A1/fr
Priority to EP11805980.7A priority patent/EP2785935B1/fr
Publication of WO2013080230A1 publication Critical patent/WO2013080230A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0093—Weight arrangements in locks; gravity activated lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/46—Locks or fastenings for special use for drawers

Definitions

  • the present invention refers to the technical field relative to closing systems for drawers in general.
  • the invention refers to an innovative closing system that is particularly suitable for furniture destined to means of transport, and in particular to watercraft furnishings, in such a way as to impede the accidental opening of the furniture also in case of wavy motion.
  • Drawers that are part of furniture destined to store clothes or objects in general have long been known. There exists, for example, specific kitchen furniture provided with drawers into which to store dishes or furniture and chests of drawers for work tools or clothes.
  • a technical problem relative to the chests of drawers destined to watercrafts is that the ship can be subject to a wavy motion and therefore the rolling of the same can cause the accidental opening of the drawer and the fall of its contents. In the case of chests of drawers for kitchens, the accidental opening of the drawer could cause the breaking of dishes and provisions in general.
  • one of these solutions includes the application of a magnet that enters in contact with a piece of metal placed on the drawer when the same is made to slide until a stop to get closed.
  • the magnet is not capable of exerting such a force as to impede the accidental opening in case of very wavy sea and, even if more potent magnets can be selected, it is not possible to overcome a certain threshold beyond which the opening of the drawer by the user would become difficult under normal use conditions.
  • sliding guides for drawers have been developed formed by binaries on which rollers fixed to bars integral to the drawer rotate. In this manner, it is as if the drawer were furnished with rotatable shoes on a track.
  • the terminal part of the sliding guide is inclined in such a way that when the rollers arrive to said inclined part by the effect of gravity, the rollers roll along the inclined plane and the drawer slips in closing position. Consequently, it is necessary to apply a minimum force to extract the drawer and overcome said inclined stroke .
  • the closing device (1) comprising a superior plate (3) and a block appendix (4) connected in a rotatable manner to the superior plate (3) in such a way as to be able to rotate between a lifted position and a lowered position in which it protrudes towards the exterior of the perimeter of the superior plate (3) .
  • An inferior plate (2) is also included, comprising a block element (21) .
  • the two plates (2, 3), through appropriate holes, are applicable one (2, 3) to the drawer and the other one (2, 3) to the sliding seat of the drawer in such a way that the superior plate (3) results overlapped to the inferior plate (2) during the opening and closing motion of the drawer and with the appendix (4) facing towards the inferior plate (2) rotated in lowered position due to gravity .
  • the superior plate (3) is connected to the fixed sliding seat of the drawer, while, at the same time, the inferior plate (2) is connected directly to the drawer that is sliding in the seat, but the positions can also be inverted.
  • the inferior plate (2) is configured in such a way that, during an approach motion between the two plates that takes place during the closing of the drawer, the inferior plate (2) intercepts the block appendix (4) of the superior plate (3), whose appendix (4) is initially rotated by gravity in its lowered position. Such an interception causes its progressive rotation towards the lifted position, allowing the reciprocal approach and the overlapping between the two plates until when, following the approach between the two plates (2, 3) in its closing motion of the drawer, the appendix (4) climbs over the block element (21) and rotates again by gravity in the lowered position that puts it in contrast against said block element (21) . In this manner, the block element (21) , placed in contrast against the block appendix (4), impedes the opposite opening translation of the drawer. The opposite translation, in fact, would force the appendix, which is bound in its fixed lowered position.
  • the inferior plate (2) In order to operate the opening of the drawer, it is enough that the inferior plate (2) is lifted against the superior plate (3) acting on a lifting of the drawer in its seat.
  • the inferior plate (2) is further configured in such a way that, when it is lifted towards the superior plate in said block position of the drawer, the inferior plate (2) contacts, in at least part of it (23), the appendix (4), causing a rotation of it in the lifted position in which it is not in contrast against the block element (21), thus allowing the sliding in said opposite direction of the inferior plate (2) for the opening of the drawer.
  • the unblock and opening operation of the drawer is therefore very quick and simple.
  • the distance between the two overlapped plates can therefore be minimal and such as to exploit the vertical clearance of the sliding drawer into the seat in case the device wants to be applied, for example, to pre-existing drawers.
  • an "ex novo" drawer can be thought of, provided integrally with such a closing system.
  • a certain configuration can be chosen that allows the lifting of the drawer with respect to its sliding guide of a pre-fixed quantity, and consequently fixing between them the two plates at least at an equal or smaller distance.
  • the block element (21) can be in the shape of a seat (21) obtained in the inferior plate (2) .
  • the external profile of the inferior plate (2) is such as to form said seat (21) .
  • the seat (21) forms a shoulder (22) against which the appendix (4) goes in contrast when the appendix (4) is rotated into the seat (21) to operate the block.
  • the block appendix (4) is rotatable around its rotation axis (10), orthogonal to the plane of the superior plate (3) .
  • the block appendix (4) comprises a block shank (4') and a head provided with a rotation stop appendix (4' ' ) .
  • the head is arranged in a rotatable manner into a seat (15) obtained in the superior plate (3), the seat (15) being configured in such a way as to form a stop for the rotation stop appendix (4'') between said two extreme positions.
  • the seat forms an inlet (15') into which the rotation stop appendix (4'') lodges and that limits the angular rotation between said two extreme positions.
  • the block appendix (4) includes a pivot (7) that connects in a rotatable manner the appendix (4) to the superior plate (3) .
  • the block appendix (4) is connected to the superior plate (3) with such a mechanical interference degree that the appendix can rotate from said lifted position to said lowered position by the effect of its weight when in use the superior plate is correctly connected to the sliding seat or to the drawer.
  • the superior plate (3) forms a seat (20) into which the appendix (4) is lodged when it is rotated in lifted position.
  • the form of the seat (20) is such that the appendix (4) completes the profile of the superior plate (3) when rotated in lifted position.
  • the inferior plate (2) comprises a part of it (23) configured in such a way as to cause said rotation of the appendix (4) when the inferior plate (2) is lifted against the superior plate (3), in the position in which the appendix is in contrast against the block element (21) .
  • the two plates (2, 3) can be of a plastic material and realized, for example, by moulding or die-casting .
  • the two plates (2, 3) include holes (5, 6) for their fixing.
  • Block means (2, 3) to maintain the drawer in the closing position into its sliding seat and wherein, further, the block means (2, 3) are in the shape of the device (1) as described.
  • the inferior plate is connected preferably to the drawer, while, consequently, the superior plate is connected to the sliding seat of the drawer .
  • FIG. 1 describes the device in accordance with the invention in which the appendix 4 of the superior plate 3 is in block position for the underlying plate 2;
  • Figure 6 shows the sliding of the plate 2 with respect to the plate 3 that allows the opening of the drawer
  • FIG. 9 shows the terminal lifting phase of the appendix in which the appendix is about to climb over the shoulder 22 of the block seat 21;
  • FIG. 12 and figure 13 show the application of the inferior plate 2 to the drawer and of the superior plate 3 applied to the sliding frame of the drawer.
  • Figure 1 shows in a front view the closing device 1 in accordance with the invention.
  • Figure 1 portrays an operative position of the device and it can therefore be intended as applied to a chest of drawers.
  • the device is formed by two plates appropriately shaped, or an inferior plate 2 and a superior plate 3.
  • the inferior plate 2 is destined to be connected to the sliding drawer in a pre-determined point of its side.
  • the holes 5 obtained on the inferior plate 2 are indicative, in the sense that they can also be arranged differently, and serve to fix such a plate to the side of the drawer through, for example, appropriate common wooden screws (see also figure 12, for example) .
  • the superior plate 3, as also shown in figure 13, is instead destined, always through its appropriate holes 6, to be connected to the frame into the sliding seat of the drawer in such a position that, during the sliding of the drawer, the inferior plate 2 can be positioned below the superior plate, allowing an overlapping of the two plates (2, 3) as per figure 1.
  • connection of the two plates must be such that, in closing position of the drawer when it is entirely arranged into its seat, the two plates result overlapped between them as per figure 1 and distanced between them of a few millimetres and therefore not in direct contact (for example 3 or 4 mm of distance) , as better described in detail below.
  • figure 1 shows a block appendix 4 which is connected in a rotatable manner to the superior plate 3.
  • the rotation takes place around an axis 10, orthogonal to the plane of the plate 3, and the appendix is therefore rotatable between a lifted position, in which it is brought close to the plate 3 (see figure 5, for example) , and a lowered position, in which it protrudes towards the exterior from the profile of the plate 3 (see figure 4, for example) .
  • the block appendix 4 includes a block shank 4' and a head containing the rotation axis 10 and having, in turn, an appendix 4'' that serves as rotation stop 4''.
  • the rotation fulcrum is obtained through a pivot 7, integral to the block appendix 4, and inserted idle, therefore with a certain mechanical clearance, into an appropriate receiving hole 7' obtained in an appropriate seat 15 of the plate 3.
  • the seat 15 is therefore configured with such a shape as to hold the head of the block appendix 4, allowing a rotation of it around the axis 10.
  • the same seat 15 forms a sort of inlet 15' into which the rotation stop 4'' appendix lodges with clearance. In this manner, the inlet 15' functions as stop, therefore limiting the maximum angular excursion for the appendix 4 between said lifted and lowered positions.
  • the block appendix 4 can be realized in plastic by moulding, injection or die- casting and therefore having integrated the pivot 7 as well .
  • the two plates (2, 3) can in the same way be easily realized in plastic by moulding, injection or die- casting.
  • the coupling between the pivot 7 and the receiving hole 7' foreseen in the seat 15 is such that the appendix 4 rotates idle.
  • the degree of mechanical interference in the coupling is absent or minimal and is anyway such as to allow a free rotation of the appendix 4 from the lifted position to the lowered one due to the weight of the appendix itself and therefore to gravity.
  • the superior plate 3 is conformed in such a way as to foresee a seat 20 into which to hold the block shank 4' when it is rotated in lifted position, in such a way that it goes right next to the profile of the plate itself.
  • the seat 20 traces such a shape as to couple perfectly with the shape of the shank 4' in such a way that, when the block appendix 4 rotates in the anticlockwise sense in said lifted position, the rotation is such as to bring the shank 4' into the seat 20 right next to the profile of the plate.
  • the plate 3 assumes a substantially rectangular shape.
  • the inferior plate 2 is cut out in such a way as to have a profile that forms a receiving seat 21 into which the block appendix 4 falls when it rotates in the clockwise sense due to gravity (see figure 1, for example) .
  • the seat 21 forms a shoulder 22 that creates a block against the end of the shank 4' such as to impede the retroaction motion of the plate 2 with respect to the superior one 3 (therefore the opening motion of the drawer is impeded) .
  • the motion from right to left of the plate 2 is impeded in the configuration of figure 4.
  • the shank 4 in fact blocks this translation which cannot be forced to the extreme since the pivot, in lowered position, is impeded from rotating further because the appendix 4'' reaches, in turn, the mechanical stop against the wall of the inlet 15' .
  • the inferior plate 2 has always such a profile that, as shown in figure 5, by simply lifting the plate 2 in contact against the plate 3, the plate 2 contacts the terminal part of the shank 4' in the area of connection to the head, thus causing an anti-clockwise rotation of the appendix 4 that makes it go back into its seat 20 (rotation motion from the lowered position to the lifted one) .
  • Figure 5 shows the section 23 that causes such an opposite rotation of the pivot and that allows the opening motion of the drawer from right to left.
  • the section 23 must have such a length as to contact a part of the appendix 4, causing its rotation, when the two plates are overlapped with the appendix 4 into the seat 21 and the plate 2 is lifted towards the other one.
  • the length of the section 23 must be such that, contextually, such a section continues to maintain the contact with the appendix 4 during the sliding until the end 22' of the seat 21 does not arrive below the point of the shank 4' . In this manner, blocks to accidental openings are avoided.
  • Figure 13 particularly extrapolates just the superior plate 3, which is just partially visible in figure 12 since the drawer is inserted slidingly in the seat.
  • Figure 13 shows the appendix rotated downwards by gravity waiting to be intercepted by the inferior plate and in both figures 12 and 13 the direction of insertion for closing the drawer is highlighted with an arrow.
  • the fixing positions can be any to operate the closing of the drawer.
  • figure 12 and figure 13 show the plate 2 applied on top of the drawer and, therefore, the plate 3 applied on top of the seat.
  • the superior plate 3 In use, therefore, the superior plate 3 must be fixed in a point of the frame forming the sliding seat of the drawer.
  • the plate 3 is therefore furnished with its appendix 4 that rotates freely under the action of its own weight downwards or is lifted in the opposite direction when an adequate push is applied.
  • Figure 7 therefore simulates the superior plate 3 with the appendix rotated in lowered position, exactly as applied in figure 13, and the inferior plate 2 applied to the drawer as in figure 12 and placed at a certain distance because the closing phase is being simulated, starting from the open drawer.
  • the inferior plate 2 translates until when, progressively, its front part intercepts the appendix 4 in its motion of insertion from left to right, causing the progressive lifting of it (see figure 8 and figure 9) .
  • the appendix 4 has been in fact described as placed into the seat 15 which has such a depth that the appendix results right next to the level of the plate 3. Nevertheless, nothing would impede to overlap the appendix 4 directly on the surface of the plate 3 and obtain the block of the rotation between said two extreme positions (lifted and lowered) with adequate protuberances appropriately placed in the place of the inlet 15' .
  • the block of the pivot is obtained through the shoulder 22 of the seat 21 obtained in the inferior plate 2.
  • the appendix would rotate to climb over the shoulder and then fall in contrast against it.
  • the section 23 that causes the lifting of the appendix could be in turn constituted by a fixed appendix that protrudes towards the exterior from the plate 2.
  • the superior plate 3 could be applied to the drawer by turning it over specularly at 180° and foreseeing an inferior plate 2 fixed to the sliding seat and with a seat 21 appropriately placed and configured.

Landscapes

  • Drawers Of Furniture (AREA)

Abstract

La présente invention porte sur un dispositif de fermeture (1) pour un tiroir, lequel dispositif comprend une plaque supérieure (3) comportant un appendice de bloc (4) pouvant tourner entre une position élevée et une position abaissée. L'invention comprend également une plaque inférieure (2) comprenant un élément de bloc (21) relié au tiroir. Dans la direction de fermeture du tiroir, la plaque inférieure (2) intercepte l'appendice de bloc (4) contre l'élément de bloc (21). De cette manière, la plaque inférieure (2) est empêchée d'effectuer une translation dans la direction opposée. Quand la plaque inférieure (2) est soulevée contre la plaque supérieure (3), la plaque inférieure (2) vient en contact avec l'appendice (4), provoquant une rotation de celle-ci à partir de la position abaissée jusqu'à la position élevée, de façon à permettre ainsi le coulissement dans la direction opposée de la plaque inférieure (2).
PCT/IT2011/000390 2011-11-28 2011-11-28 Système de fermeture pour tiroirs de meubles WO2013080230A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IT2011/000390 WO2013080230A1 (fr) 2011-11-28 2011-11-28 Système de fermeture pour tiroirs de meubles
EP11805980.7A EP2785935B1 (fr) 2011-11-28 2011-11-28 Système de fermeture pour tiroirs de meubles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2011/000390 WO2013080230A1 (fr) 2011-11-28 2011-11-28 Système de fermeture pour tiroirs de meubles

Publications (1)

Publication Number Publication Date
WO2013080230A1 true WO2013080230A1 (fr) 2013-06-06

Family

ID=45464797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2011/000390 WO2013080230A1 (fr) 2011-11-28 2011-11-28 Système de fermeture pour tiroirs de meubles

Country Status (2)

Country Link
EP (1) EP2785935B1 (fr)
WO (1) WO2013080230A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100019724A1 (it) * 2021-07-23 2023-01-23 Bc Consulting S R L Un innovativo sistema di blocco per cassetto

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US985910A (en) * 1908-11-19 1911-03-07 August Lange Show-case for cigars.
US5769517A (en) * 1996-02-14 1998-06-23 Carde; Felix Drawer safety lock
US5795044A (en) * 1996-12-31 1998-08-18 Glassmaster Controls Co., Inc. Drawer safety lock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US985910A (en) * 1908-11-19 1911-03-07 August Lange Show-case for cigars.
US5769517A (en) * 1996-02-14 1998-06-23 Carde; Felix Drawer safety lock
US5795044A (en) * 1996-12-31 1998-08-18 Glassmaster Controls Co., Inc. Drawer safety lock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100019724A1 (it) * 2021-07-23 2023-01-23 Bc Consulting S R L Un innovativo sistema di blocco per cassetto
WO2023002446A1 (fr) * 2021-07-23 2023-01-26 Bc Consulting S.R.L. Système de verrouillage de tiroir innovant

Also Published As

Publication number Publication date
EP2785935B1 (fr) 2016-03-30
EP2785935A1 (fr) 2014-10-08

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