Classifications

• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
  • A47B49/00—Revolving cabinets or racks; Cabinets or racks with revolving parts
  • A47B49/004—Cabinets with compartments provided with trays revolving on a vertical axis

Definitions

• the present invention relates to a guide fitting for guiding a body part that is mounted to be movable both translationally and rotationally according to the preamble of claim 1.
• the invention further relates to a furniture or household appliance element according to the preamble of claim 13.
• Such furniture or household appliance elements like shelves or racks, in which a body part is mounted in a supporting structure so that it can be moved both rotationally and translationally, are examples of... DE 10 2019 109 866 A1 or from the DE9300364U1 known.
• a translational-rotational bearing is used to perform the translational-rotational movement of the body part.
• a handle can potentially restrict the movement of the body section relative to the supporting structure, as it might, for example, prevent the body section from being rotated 180° relative to the supporting structure to achieve a desired position. to reach a position with the same surface area as the starting position, would be prevented by bumping against the support body before reaching the position rotated by 180°.
• the object of the present invention is to provide a guide fitting and a furniture or household appliance element that facilitates the initiation of a combined translational-rotational movement.
• the guide fitting according to the invention has a guide cam track, a guide element guided in the at least one guide cam track, and a linear guide with at least one first connecting part and a second connecting part movable relative to this, one of which is fixed to the guide element and the other is coupled to the guide cam track by means of a rotary bearing.
• the guide cam track or guide element can be permanently attached to the body part.
• the guide fitting is characterized by at least one ejection device with a releaseable energy storage unit, with which the body part can be driven from at least one end position by applying force against an ejection direction along a limited distance.
• the guide fitting further includes at least one activator for unlocking the energy storage device of the ejection mechanism.
• At least one ejection device is arranged in a fixed position relative to the guide element.
• two activators are arranged on the or fixedly spaced from the guide cam track.
• the guide cam track has a guide groove for receiving the guide element and an arm extending outside the guide groove, on which at least one activator is arranged, in particular molded.
• two activators are arranged on the arm, in particular molded onto it.
• the guide fitting also has a carrier plate on which the at least one first connecting part of the linear guide, the guide element and the at least one ejection device are fixed.
• the carrier plate has a central area on which two parallel first connecting parts of the linear guides are mounted, and two mirror-symmetrical edge areas, wherein an ejection device is fixed to at least one of the edge areas.
• an ejection device is fixed to each of the two edge areas.
• the at least one activator is fixedly arranged on the second connecting part of the linear guide, and the ejection device is fixedly arranged on or near the first connecting part of the linear guide.
• the ejection device utilizes the relative movement between a stationary piece of furniture and one that initially moves in an approximately translational direction.
• approximately translational here means that the translational component of the furniture's movement is significantly greater than the rotational component at the beginning of the movement from an end position.
• the guide fitting has at least one further guide cam track in which a further guide element is guided, which additionally supports the guidance of the furniture.
• the furniture or household appliance element comprises a support body with a base support plate, a top support plate and at least one side wall, and a body part which is mounted to be movable translationally and rotationally relative to the support body and which comprises a base plate, a top plate and at least one side wall.
• a guide fitting is arranged between the top support plate and the top plate and/or between the bottom support plate and the bottom plate.
• the guide fitting has at least one guide cam track and a guide element guided in or on the guide cam track, which are arranged on respective mutually facing surfaces of the top support plate and the top plate or the bottom support plate and the bottom plate.
• the guide fitting further features a linear guide, with connecting parts that are movable relative to each other in a translational direction, of which one is arranged on the deck support plate or the deck plate and the other is mounted on the other of the deck support plate or the deck plate by means of a rotary bearing.
• the linear guide preferably consists of two guide rails aligned parallel to each other and running rails that can be moved relative to these.
• the guide fitting has at least one ejection device with a unlockable energy storage device and at least one activator for unlocking the energy storage device of the ejection device, with which the body part can be driven from at least one end position by applying force against an ejection direction along a limited distance.
• At least one ejection device is designed as an at least partially electric ejection device, with an electric motor for tensioning an ejector and/or for driving the ejection movement itself and/or with sensors for detecting a desired opening of the body part.
• the guide cam track is attached to the base plate or the top plate of the body part, and the guide element is fixedly attached to the base support plate or the top support plate of the support body.
• a first guide fitting is arranged between the base support plate and the base plate, and a second guide fitting is arranged between the cover support plate and the cover plate.
• An arrangement of two guide fittings is particularly suitable for furniture or household appliance elements that are larger in height.
• the body part can be moved relative to the support body from a first functional position to a second functional position rotated by a predetermined angle to the initial position, wherein in both functional positions the base plates and the top plates of the body part and the support body are aligned in matching geometries relative to each other.
• top, bottom, left, right, front, back, etc. refer exclusively to the exemplary representation and position of the guide fitting, furniture or household appliance element, or ejection device chosen in the respective figures.
• Activator, guide fitting, guide cam track, linear guide, and the like are not to be understood as restrictive; that is, these relationships can change due to different operating positions, mirror-symmetrical design, or similar factors.
• Reference numeral 1 denotes a total embodiment of a furniture element according to the invention.
• the furniture element 1 shown here essentially consists of a support element 2 with a base support plate 21 and a top support plate 22 and side walls 23 connecting the base support plate 22 with the top support plate 21, as well as a body part 3 that is simultaneously translationally and rotationally movable relative to the support element 2.
• the body part 3 also has a base plate 31, a top plate 32 and a connecting element connecting the base plate 31 to the top plate 32, in the illustrated embodiment in the form of at least one side wall 33.
• the shelf-like body part 3 has a square base, with two side walls 33 that form an interior space in a Figure 1 Close in the shown closed position and two open vertical sides, as shown in the Figures 2 and 3 , which allow access to the interior.
• the interior of the cabinet section 3 has several shelves 35.
• other configurations or subdivisions of the interior of the cabinet section 3 are also conceivable in principle.
• a first design variant of such a guide fitting 4 is in the Figures 6 - 10 shown.
• the guide fitting 4 has a guide cam track 5 and a guide element 11 guided in the guide cam track 5. It is also conceivable, in principle, to provide several guide cam tracks 5 with their respective guide elements 11s on the guide fitting 4.
• the guide fitting 4 further comprises a linear guide 6 with at least two connecting parts that are movable relative to each other, one of which is fixed to the guide element 11 and the other is coupled to the guide cam track 5 by means of a rotary bearing 9.
• the linear guide consists of two guide rails 61 aligned parallel to each other and running rails 62 that are movable relative to these.
• linear guides are also conceivable, for example in the form of a guide rail and a roller carriage, rack and pinion or the like guided on or along this.
• the guide cam track 5 or the guide element 11 can be fixedly attached to the body part 3.
• the guide fitting 4 has at least one, in this embodiment two, ejection devices 8, with a releasable energy storage device, with which The body part 3 can be driven from at least one end position by applying force against an ejection direction B along a limited distance.
• the drive is effected by force transmission to at least one activator 10, via which the power storage of the ejection device 8 is unlocked.
• the first version shown is the guide cam track 5, as also exemplified in the Figures 4 and 5 It can be seen that it is fixed to the top plate 32 of the body part 3 or to the bottom plate 31 of the body part 3.
• the guide cam track 5 has a guide groove 51 in which the guide element 11, designed here as a wheel, can be guided.
• the guide element 11, as well as the first two connecting parts, namely the guide rails 61 of the linear guides 6 and the ejection devices 8, are fixed to a support plate 7.
• the guide rails 61, the guide element 11 and/or the ejection devices can be arranged directly on the top support plate 22 and/or bottom support plate 21.
• the support plate 7 is fixed in place to the top support plate 22 or the bottom support plate 21 of the base, in the case of a furniture element 1, to the support body 2.
• the fixing elements 75 are designed as pins protruding from the central area 71 of the carrier plate 7, which are received in corresponding bores of a fastening section of the respective guide rail 61 and thus enable a positive locking fixing of the guide rails 61 in the plane of the carrier plate 7.
• the additional fixing elements 73 and 74 are provided, which are plate-like and overlap the fastening area of the guide rails 61.
• An ejection device 8 is attached to each of the edge regions 72 of the carrier plate 7. It is also conceivable to provide an ejection device 8 only at one of the edge regions 72 of the carrier plate 7.
• the ejection devices 8 are known per se from the prior art and comprise a housing 81, an ejector 82 coupled in the housing 81 along a track 83 with the (not shown) energy storage device, which, by means of an activator 10, from a, for example, in Figure 8 shown relaxed extended position in a Figure 10
• the tensioned function shown can be moved by pressing the ejector 82 in the opposite direction of ejection B.
• This tensioning of the energy storage device occurs during the movement sequence of the body part 3 relative to the support body 2, each time the body part 3 is moved into an end position, as described in the Figure 1 and 3 As shown, the body part 3, viewed in a horizontal plane relative to the support body 2, occupies the same space in both different end positions.
• Other ejection devices can also be used, in which the tensioning of the energy storage device can occur additionally or alternatively during further extension of the body part 3.
• the body part 3 can be moved by slightly pressing it against the direction of rotation R1, R2 controlled by the guide cam track 5, as illustrated by the example of Figure 2 by pressing in the direction of R2, using the activator 10, as shown for example in Figure 10, it can be unlocked.
• the energy storage device After unlocking the energy storage device, it drives the ejector 82 in ejection direction B.
• the ejector 82 presses against the activator 10, thereby pushing the guide cam track 5 and with it the body part 3 out of the end position in ejection direction B into the Figure 2 Position shown.
• two activators 10 are arranged on an arm 52 branching off from a central area of the guide cam track 5. It is also conceivable to arrange only one activator 10 on the arm 52 if assisted pushing of the furniture is required only in one direction.
• the geometry of the arm 52 is designed such that the activators 10 slide along the respective outer sides of the ejection devices 8 and, accordingly, come into contact with a respective ejector 82 at a predetermined position before reaching the end position of the body part 3.
• the activators 10 can be molded directly onto the arm 52. Alternatively, the activators 10 could be screwed onto the arm 52 or directly onto the body part 3.
• the pivot bearing 9, which is mounted on the two guide rails 62, consists of a first and second mounting plate 91, 93, wherein the second mounting plate 93 is attached to the guide rails 62 and the first mounting plate 91 can be attached to the top plate 32 or the bottom plate 31 of the body part 3.
• a rotary plate 92 is additionally attached to the first mounting plate 91.
• the mounting plates 91 and 93 are rotatably mounted relative to each other.
• ejection devices 8 are fixed directly to the guide rails 62 of the linear guide 6.
• the activators 10 are fixed here at a suitable point on the guide rail 61.
• the power transmission from the power storage device of the ejection devices 8 does not take place via the guide cam track 5, but via the linear guides 6.
• a third design variant of such a guide fitting 4 is in the Figures 13 to 16 depicted.
• a preferred embodiment of an ejection device 8 that can be used here is described in the Figure 17 and 18 shown.
• this embodiment represents a kinematic reversal of the embodiment according to Figure 11 and 12 dar.
• Figure 16 shows the ejector 82 of the ejection device 8 with the energy storage device relaxed, in which the guide rail 62 has been moved accordingly over the activator 10, which is accompanied by a movement of the body part 3 into the position shown here as an example.
• Figure 2 the position shown is accompanied by.
• the ejection device can be triggered, for example, by motion, force, or touch sensors.
• a force sensor could be used to detect a force exerted by a user on the movable body part 3, or a force/displacement sensor could be used.
• a touch sensor could, for example, detect a touch initiating an opening movement via electrically conductive materials. Controlling an electric motor or electromagnetic drive via a preferably wireless remote control, such as a mobile phone, voice control, or similar device, or via a proximity sensor or a gesture-recognizing optical sensor is also conceivable.
• the ejection device 8 returns to a standby position after a predetermined time or after an opening process is detected.
• the ejection device 8 comprises a housing 81 on which the ejector 82 is rotatably mounted.
• the ejector 82 acts on the activator 10, which can be coupled to a movable furniture part.
• the ejector 82 is biased in a rotational direction corresponding to the opening direction of the movable furniture part by a force storage device 85, and the ejector 82 can be locked in place by a locking mechanism with the force storage device 85 in tension.
• a clamping element 84 which is fixed to the movable furniture part, is also shown on the ejection device 8.
• the ejector 82 comprises a control section located within the housing 81.
• a slide 88 comprising a latch 861 and a control element 871, is slidably mounted on the control section.
• the latch 861 is guided in the cam guide 86 on an insert element, while the control element 871 is guided on the control cam 87.
• a pressure piece 89 is rotatably mounted on the control section and held by a fastening element 891, which is fixed to the control section.
• the pressure piece 89 is guided by a driver on a further control cam, which is fixed to the insert element.
• the ejector device 8 is shown ejecting a movable furniture part (not shown).
• the ejector 82 is actuated by the force of the energy storage units 85 in Figure 18A counterclockwise and in Figure 18B rotated clockwise and thus acts on the activator 10, which moves the movable furniture part from the starting position in the opening direction.
• the ejector 82 pivots so far that the bar 861 moves out of the curved guide 86, which is open and has an exit channel and an entry channel.
• Figure 18B The locking bar 861 is still located in the exit channel of the curve guide 86, and in the Figures 18C and 18D
• the locking bar 861 on the slider 88 has moved away from the cam guide 86.
• the movable furniture part moves with the activator 10 at the Figures 18B to 18D from right to left, and the clamping element 84 attached to the movable furniture part comes into contact with the pressure piece 89 attached to the ejector 82 in the ejected open position.
• the rotary movement of the ejector 82 causes the control element 871 to move along the control cam 87 and displace the slide 88 radially outwards, as described by the Figures 18B and 18C
• the part can be removed until the control element 871 is arranged in a channel that extends substantially circumferentially around the axis of rotation 821. From this open position, the movable furniture part can now be moved either in the closing direction or in the opening direction, whereby in both cases the ejector 82 is pivoted back into the starting position and the locking mechanism is brought into the starting position.
• the activator 10 rotates the ejector 82, and the control element 871 moves along the control cam 87, displacing the slide 88 radially towards the axis of rotation 821.
• the control cam 87 positions the bolt 861 so that it enters the entry channel of the cam guide 86 and there guides the slide 88.
• the activator 10 By releasing the movable furniture part, the activator 10 is moved in the opposite direction by the force of the energy storage device 85, whereby a detent projection 864 pushes the bolt 861 into the detent receptacle 862 via a stop 863, where the bolt 861 engages.
• Figure 19D This corresponds to the starting position and the closed position of the movable furniture part, which can be unlocked again by pressing into an overpressure position, as described above.
• the ejection device 8 can be removed from the in Figure 18D
• the position shown can be clamped by the clamping element 84 not only by moving the movable furniture part in the closing direction, but also by moving the movable furniture part in the opening direction.

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• 2022
  • 2022-04-27 DE DE102022110204.1A patent/DE102022110204A1/de active Pending
• 2023
  • 2023-04-21 EP EP23721391.3A patent/EP4514177B1/de active Active
  • 2023-04-21 CN CN202380035725.1A patent/CN119072261A/zh active Pending
  • 2023-04-21 WO PCT/EP2023/060496 patent/WO2023208778A1/de not_active Ceased
  • 2023-04-21 JP JP2024563388A patent/JP2025514213A/ja active Pending
  • 2023-04-21 IL IL316498A patent/IL316498A/en unknown
  • 2023-04-21 CA CA3255669A patent/CA3255669A1/en active Pending
  • 2023-04-21 US US18/860,235 patent/US20250288099A1/en active Pending
  • 2023-04-21 AU AU2023258504A patent/AU2023258504A1/en active Pending

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