AU2010280717B2 - Ejection mechanism, pull-out guide and ejection system - Google Patents

Ejection mechanism, pull-out guide and ejection system Download PDF

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Publication number
AU2010280717B2
AU2010280717B2 AU2010280717A AU2010280717A AU2010280717B2 AU 2010280717 B2 AU2010280717 B2 AU 2010280717B2 AU 2010280717 A AU2010280717 A AU 2010280717A AU 2010280717 A AU2010280717 A AU 2010280717A AU 2010280717 B2 AU2010280717 B2 AU 2010280717B2
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AU
Australia
Prior art keywords
driver
activator
guide
ejection mechanism
curve guide
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.)
Ceased
Application number
AU2010280717A
Other versions
AU2010280717A1 (en
Inventor
Stefan Andschus
Patrick Freiheit
Alexander Gorges
Andreas Hoffmann
Karsten Kroke
Janine Mertens
Thomas Prior
Oliver Schael
Lars Schrubke
Uwe Sobolewski
Rainer Weichelt
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.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich GmbH and Co KG
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 Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of AU2010280717A1 publication Critical patent/AU2010280717A1/en
Application granted granted Critical
Publication of AU2010280717B2 publication Critical patent/AU2010280717B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40Sliding drawers; Slides or guides therefor
    • A47B88/453Actuated drawers
    • A47B88/46Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/47Actuated drawers operated by mechanically-stored energy, e.g. by springs having both self-opening and self-closing mechanisms which interact with each other
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00Suspension arrangements for wings
    • E05D15/06Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621Details, e.g. suspension or supporting guides
    • E05D15/0626Details, e.g. suspension or supporting guides for wings suspended at the top
    • E05D15/063Details, e.g. suspension or supporting guides for wings suspended at the top on wheels with fixed axis
    • 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
    • E05F1/16Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • 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
    • E05F5/003Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • 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
    • E05F5/027Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops with closing action
    • 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
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20Combinations of elements
    • E05Y2800/23Combinations of elements of elements of different categories
    • E05Y2800/24Combinations of elements of elements of different categories of springs and brakes
    • 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
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/74Specific positions
    • E05Y2800/75Specific positions intermediate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Toys (AREA)

Abstract

An ejection mechanism, particularly for mobile pieces of furniture, comprising a curve guide (7, 7', 7", 7'", 7""), along which a driver (11, 11', 11", 11'", 11"") can be displaced, wherein the driver (11, 11', 11", 11'", 11"") is prestressed in one direction by at least one force accumulator (8, 8') and can be latched in a locked position at the curve guide (7, 7', 7", 7'", 7"") with the stressed force accumulator (8, 8'), and an activator (5, 5', 5", 5'", 5""), which can be coupled to the driver (11, 11', 11", 11'", 11"") at least in the locked position, wherein the activator (5, 5", 5'", 5"") can be moved relative to the curve guide (7, 7", 7'", 7"") or the curve guide (7') can be moved relative to the activator (5'), wherein in the locked position the driver (11, 11', 11", 11'", 11"") can be released by a relative movement of the activator (5, 5", 5'", 5"") relative to the curve guide (7, 7", 7'", 7"") or by a relative movement of the curve guide (7') relative to the activator (5'). The activator (5, 5', 5", 5'", 5"") and/or the curve guide (7, 7", 7", 7'", 7"") can be moved both in a first direction and in an opposite second direction to release the driver (11, 11', 11", 11'", 11"").

Description

1 Ejection mechanism, pullout guide, and ejection system The present invention relates to an ejection mechanism, in particular for movable furniture parts, having a curve guide, along which a driver is movable, the driver being pre-tensioned by at least one force accumulator in one direction and being able to be latched on the curve guide with tensioned force accumulator in a closed position, and an activator, which can be coupled to the driver at least in the closed position, the activator being movable relative to the curve guide or the curve guide being movable relative to the activator, in the closed position, the driver being unlockable via a relative movement of the activator relative to the curve guide or via a relative movement of the curve guide relative to the activator, and a pullout guide and an ejection system. EP 1 845 821 discloses a device for opening and closing for drawers, in which the drawer is held in a closed position via a latch mechanism. The latch mechanism comprises a driver, which can be coupled to a slide rail, and on which a rod is arranged, which is guided in a control curve. For unlocking, the drawer is pushed in against the force of a spring, so that the rod is then released from the latched position in the control curve and can be moved together with the driver and the slide rail. In such a device for opening and closing, it is disadvantageous that the unlocking of the latch mechanism only occurs by pushing in the drawer. In addition, the latching is performed by a plurality of components, which can only absorb limited mechanical loads, since they are implemented as filigree and damage is to be expected. In at least one embodiment, the present invention provides an ejection mechanism and a pullout guide, which is implemented as stable and allows simple unlocking of a driver. One form of the invention, provides an ejection mechanism comprising: a driver and a curve guide along which the driver is movable, the driver being pre tensioned in one direction by at least one force accumulator, and being able to be latched on the curve guide with tensioned force accumulator in a closed position; and an activator, which can be coupled to the driver at least in the closed position, the activator being movable relative to the curve guide or the curve guide being movable relative to 6613436 1 (GHMatters) P89309.AU WENDYS 2 the activator in the closed position, the driver being unlockable via movement of the activator relative to the curve guide or via movement of the curve guide relative to the activator, wherein the activator and/or the curve guide are movable both in a first direction and also an opposing second direction to unlock the driver. According to an embodiment of the invention, in the closed position, the driver is unlockable via a relative movement of the activator to the curve guide, the activator and/or the curve guide being movable both in a first direction and also an opposing second direction to unlock the driver. Unlocking can thus be performed both by a pulling movement on the movable furniture part and also by pushing in the movable furniture part. The user therefore may have the selection capability of how the ejection mechanism is unlocked. If the movable furniture part is fixed on a pullout guide, either the curve guide or the activator can be movable, while the other component is arranged stationary. Through the relative movement between curve guide and activator, the unlocking is caused by corresponding technical means. Furthermore, the handling of the ejection mechanism may be simple, the corresponding components being implemented as stable and the number of the components being reduced in comparison to solutions from the prior art. According to one embodiment, the driver is pivotable from the closed position through the relative movement between the activator and the curve guide. The curve guide can thus be implemented as a guide device, in which the driver is movable in opposing directions. It is not necessary to provide a looped guide path having a catch groove, since the latching can occur on a bent-over end section of the guide path. By pivoting the driver, it can be unlocked from the angled end section and transferred into the linear section, in which the force accumulator ensures an opening movement. The activator preferably has a first contact surface for unlocking the driver through a movement in the first direction and a second contact surface, which is spaced apart from the first contact surface, for unlocking the driver through a movement in the second direction. The activator can thus also be implemented in one piece, unlocking of the driver being able to occur from the closed position independently of the movement direction. 6613436 1 (GHMatters) P89309.AU WENDYS 3 For a stable guide of the driver, it has two pins spaced apart from one another, which engage in the grooved curve guide. The curve guide can have at least one bent-over end section, on which the driver can be latched in the closed position. The activator can enclose the driver essentially in a U-shape, in order to form a contact surface, which unlocks the driver, on each of the two legs of the U. Alternatively, it is possible to implement the driver as a hook, the activator having a contact surface for unlocking the driver on opposing sides of the hook. Preferably, at least one lever is provided, which is movable by the activator and/or the curve guide, and by means of which the driver is unlockable. Reliable unlocking can thus be ensured, the lever being mounted so it is rotatable on the housing having the curve guide, for example. To unlock the driver through the lever, the driver can be coupled with play to the activator or the activator is also mounted so it is movable, in particular mounted so it is springy and/or rotatable, to ensure a movement in the starting position. In one form of the invention, there is provided a pullout guide comprising a guide rail installable on a furniture body and a movably mounted slide rail, and an ejection mechanism according to the first aspect. In order to make the installation of the pullout guide having the ejection mechanism easier, the activator can be fixed on the slide rail so it is adjustable in the movement direction of the slide rail. Tolerances can thus be compensated for, in order to adapt the position of the activator exactly to the desired closing position. The pullout guide can be implemented as a preinstalled unit, the curve guide being fixed on the guide rail. According to one embodiment, an elastic stop is provided to hold the slide rail with the activator in the closed position. The stop then ensures positioning of the activator in the closed position, so that unlocking does not occur unintentionally in the event of a movement beyond the closed position. Furthermore, a damper can be provided to brake the slide rail before reaching the closed position. This elastic stop can be implemented as adjustable in the pullout direction. 6613436 1 (GHMatters) P89309.AU WENDYS 4 A usage of an ejection mechanism according to an embodiment of the invention and a corresponding pullout guide in domestic appliances, for example, in ovens, in refrigerators and/or freezers, or in warming drawers is also conceivable. In one form of the invention, there is provided an ejection system comprising a first and a second ejection mechanism, each ejection mechanism provided according to the first aspect, the first and second ejection mechanisms being connected to one another via a movable furniture part. Each ejection system can be mounted on a pullout guide, the pullout guides being connected to one another via a thrust element, for example, a drawer. The ejection mechanism is preferably designed so that upon unlocking of the driver of the first ejection mechanism, the driver of the second ejection mechanism is also unlocked from the latched closed position. This ensures synchronization, which may be required in particular in the case of wide drawers, since in the event of an off-center introduction of force to open the drawer, only one ejection mechanism on one drawer side may be unlocked. If such a one-sided unlocking should occur, in the ejection system, a force may be applied in the opening direction via the unlocked driver and the force accumulator, which then acts on the second driver via the furniture part and the second pullout guide and pulls it out of the unlocked position in the opening direction. Incorrect actuations can thus be reliably avoided. There is also disclosed a ratchet arranged spaced apart from the activator, the ratchet being able to pass the driver in an opening direction and the ratchet being able to be coupled on in the opposite closing direction to move the driver in the closing direction. The ejection mechanism can thus already be tensioned by the ratchet before the closed position, which also allows the use of a self-retractor, which pulls the activator into a closed position after the tensioning of the driver. To travel over the driver of the ejection device, the activator and/or the ratchet can be implemented as displaceable perpendicular to the opening direction or as pivotable via a pivot point, for example. Alternatively, the driver can have spring-mounted levers, which allow the 6613436 1 (GHMatters) P89309.AU WENDYS 5 activator to travel over it in one direction and come into contact on the activator in the respective opposite direction and prevent travel over it. Yielding of the activator of the driver is conceivable through a translational movement, rotational movement, curve-guided movement, pivoting, and/or by elastic behavior because of the selected material of the contact areas. The complete activator or ratchet or the driver yields alternately, alternatively, partial yielding of individual components is also possible. The counterforce for the return movement of the movable part can be applied by spring force, by elastic deformation, in particular of partial components. The above-described effects can also be achieved by a construction according to a directional barrier, switch lock, or spring switch mechanism. The activator or the ratchet can be guided linearly in oblong holes, for example. In this embodiment, the activator or the ratchet can be reset into the starting position by gravity or in a spring-loaded manner. The activator or the ratchet can alternatively be equipped with movable parts. These ratchets or movable parts can be reset in a controlled manner into the starting position via curve guides, by the effect of gravity, or by the use of elastic material or spring force. The driver preferably has two spring-loaded detents or levers acting in opposite directions, which both allow a force introduction and also travel over with low force. These detents may have a restoring torque, which is achieved by elastic deformation of an element located underneath, for example. This element may have two sections, one detent is assigned to each section. An embodiment as a rocker or leaf spring is also conceivable. The detents can only be travelled over with low force in one direction. This functionality is required in particular if a multiply acting activator or multiple activators or ratchets are used for controlling various devices. The detents can be provided as elastic, as a film hinge, or can be provided with a bearing. To avoid incorrect triggering, the lever for triggering can be spring-loaded with pressure in its base position. A defined trigger force can thus be set in the meaning of a spring mechanism. The driver is only moved completely out of its idle position in the bent-over end section of the curve guide upon exceeding this force. The ejection mechanism is therefore activated. 6613436 1 (GHMatters) P89309.AU WENDYS 6 In a curve-controlled system, reaching the open end position can be supported by an additional force accumulator on the activator. Malfunction or damage of the assemblies, in particular in the event of an installation location deviating from the exemplary embodiment, is thus prevented. The invention is explained in greater detail hereafter on the basis of two exemplary embodiments with reference to the appended drawings. In the figures: Figure 1 shows a perspective view of a pullout guide having an ejection mechanism; Figures 2 to 6 show multiple views of the pullout guide of Figure 1, partially in section; Figure 7 shows a perspective view of the activator of the ejection mechanism; Figures 8A and 8B show two views of the pullout guide of Figure 1 in an open position; Figures 9A and 9B show two views of the pullout guide of Figure 1 in the closed position; Figure 10 shows a perspective view of a second exemplary embodiment of a pullout guide according to the invention having ejection mechanism; Figures 11 to 13 show multiple views of the pullout guide of Figure 10 in the closed position; Figures 14A and 14B show two views of the pullout guide of Figure 10 in an open position; Figures 15A and 15B show two views of the pullout guide in an open position; Figure 16 shows a perspective view of an exemplary embodiment of an ejection system according to the invention; 6613436 1 (GHMatters) P89309.AU WENDYS 7 Figure 17 shows views of the ejection system of Figure 16 in the closed position; Figure 18 shows views of the ejection system of Figure 16 unlocked on one side; Figure 19 shows views of the ejection system of Figure 16 unlocked on one side; Figure 20 shows views of the ejection system of Figure 16 unlocked on both sides; Figure 21 shows a side view of a further exemplary embodiment of a pullout guide according to the invention; Figures 22 to 25 show multiple views of the pullout guide of Figure 21 in different positions; Figure 26 shows a perspective view of a further exemplary embodiment of a pullout guide according to the invention; Figures 27 to 32 show multiple views of the pullout guide of Figure 26 in different positions; Figure 33 shows a perspective view of a further exemplary embodiment of an ejection mechanism according to the invention for a pullout guide; Figures 34 and 36 show multiple views of the ejection mechanism of Figure 33 in different positions; Figure 37 shows a perspective view of an ejection device according to an exemplary embodiment of the invention in the installed position; and Figure 38 to 48 show multiple views of the ejection device of Figure 37 in different positions. 6613436 1 (GHMatters) P89309.AU WENDYS 8 An ejection mechanism according to an embodiment of the invention is installed on a pullout guide 1, which has a guide rail 2, which is installable on a furniture body, and a movable slide rail 3. A pullout-extending middle rail is optionally located between guide rail and slide rail to allow a full pullout. It is also possible to install the ejection mechanism on a pivotable furniture door or another movable furniture part. The ejection mechanism comprises an activator 5, which is fixed on the slide rail 3, and which is arranged on a housing 6 having a curve guide 7 in a closed position. A driver 11 is guided in the curve guide 7, which is pre-tensioned in the opening direction by a force accumulator 8 implemented as a tension spring. The force accumulator 8 is held on one end on a holder 9 fixed on the guide rail 2 and on the opposite side on the driver 11. In the closed position, a web 30 arranged on the slide rail 3 presses against an elastic stop 31, which is implemented as a rubber cushion, for example. The stop 31 is fixed on a mount 32, which is arranged on the guide rail 2 or on a middle rail 13. The mount 32 can be implemented as adjustable in the pullout direction. As shown in Figures 2 to 6, two pins 10 and 12, which are spaced apart from one another, are provided on the driver 11, which are guided in the curve guide 7. The curve guide 7 has a middle linear section, which comprises an angled end section 70 in the opening direction and an angled section 71 in the closing direction. The driver 11 is pivoted away from the slide rail 3 in the area of the end sections 70 and 71. The driver 11 has a receptacle 14, in which two webs 16 and 17 of the activator 5 engage. When the webs 16 and 17 engage in the receptacle 14, activator 5 and driver 11 move together. The activator 5 is shown in detail in Figure 7. The activator 5 is implemented as essentially U shaped and comprises three webs 15, 16, and 17 on one leg, the webs 16 and 17 engaging in the receptacle 14 on the driver 11. An inwardly directed projection 18, which can also come into contact with the driver 11, is implemented on the second leg of the activator 5. Furthermore, an oblong hole 19 is provided on the activator 5, which is penetrated by a screw 20, in order to fix 6613436 1 (GHMatters) P89309.AU WENDYS 9 the activator 5 on the slide rail 3. The activator 5 is held so it is adjustable in the longitudinal direction of the slide rail 3 by the oblong hole 19. In Figures 8A and 8B, the slide rail 3 is shown in an open position. The activator 5 is arranged spaced apart from the driver 11 and the driver 11 is moved by the force of the force accumulator 8 into an end position, in which the pin 10 engages in the end section 70. The driver 11 is thus in a diagonal position, in which the receptacle 14 is open for the engagement of the webs 16 and 17 of the activator. If the activator 5 is closed by closing a drawer arranged on the slide rail 3, the webs 16 and 17 of the activator 5 engage in the receptacle 14 of the driver 11 and move it against the force of the force accumulator 8 into a closed position, as shown in Figures 9A and 9B. In the closed position, the pin 12 has been moved along the guide path 7 and engages in the end section 71. The driver 11 has thus been pivoted downward and is now fixed in a closed position by the force of the force accumulator 8. As shown in Figure 9B, the lower projection 18 on the activator 5 presses against a contact surface 21 of the driver 11. In addition, according to Figure 6, the web 16 is arranged adjacent to the contact surface 22 on the driver 11. In the closed position, the driver 11 can be unlocked by movement of the activator 5, the activator 5 alternately being able to be moved in the opening or closing direction. If the activator 5 is pulled in the opening direction, the web 16 engages on the contact surface 22 and pulls the driver 11 into the linear part of the curve guide 7, so that the driver 11 is unlocked. If the activator 5 is pushed in the closing direction, the projection 18 presses against the contact surface 21 and thus pivots the driver 11 into the linear part of the curve guide 7. Unlocking of the driver 11 from the closed position therefore occurs independently of whether the activator 5 is moved in the opening or closing direction. The movement in the closing direction for unlocking the driver 11 can be in a range between 1 to 3 mm, so that the elastic stop 31 is compressed by the pushing in. A second exemplary embodiment of a pullout guide 1' is shown in Figure 10, which has an ejection mechanism according to an embodiment of the invention. As in the first exemplary 6613436 1 (GHMatters) P89309.AU WENDYS 10 embodiment, a slide rail 3 is held so it is movable on a guide rail 2, the closed position of the slide rail 3 being predefined by an elastic stop 31, against which a web 30 of the slide rail 3 presses. The ejection mechanism comprises a housing 6', in which a curve guide 7' is implemented, which only has one angled end section 70. The driver 11' is held by two spaced-apart pins 10 and 12 in the curve guide 7'. If the pin 12 is moved into the angled end section 70 (Figure 12), the driver 11' is in a latched position and is pre-tensioned by the force of the force accumulator 8', which is implemented as a tension spring, in the opening direction. An activator 5', which is fixed via a screw 20' on the guide rail 2, is provided for unlocking the driver 11'. The activator 5' comprises a first projection 16', which presses against an inner side of a hook 22' of the driver 11'. A contact surface 21', which can be engaged with a contact bevel 18' of the activator 5', is implemented on the opposing side of the hook 22'. In Figure 13, the driver 11' is unlocked by pushing in the slide rail 3 in the closing direction, a relative movement then occurring between the curve guide 7' and activator 5'. A force is transmitted to the downwardly directed hook 22' of the driver 11' by the projection 16', so that the pin 12 is pressed upward and shifted into the linear section of the curve guide 7'. The force accumulator 8' thus becomes active and pulls the driver 11' in the opening direction. Unlocking of the driver 11' can also be caused by moving the curve guide 7' on the slide rail 3 in the opening direction, the contact bevel 18' on the activator 5' then being engaged with the contact surface 21' on the hook 22' of the driver 11'. The pin 12 is also thus pressed upward into the linear section of the curve guide 7'. In Figures 15A and 15B, the pullout guide is shown in an open position, the activator 5' being arranged spaced apart from the driver 11'. The driver 11' is located in an end position of the curve guide 7'. If the slide rail 3 is moved in the closing direction, the downwardly directed hook 22' engages between the projection 16' and the contact bevel 18' of the activator 5', so that upon 6613436 1 (GHMatters) P89309.AU WENDYS 11 reaching the closed position, the arrangement shown in Figure 12 is achieved, from which the driver 11' can be unlocked again. An ejection system which is installed on a drawer 50 as a movable furniture part is shown in Figure 16. The drawer 50 comprises a floor 51, which is held via holders 52 on opposing sides on a pullout guide 1 in each case. The holders 52 are installed on a slide rail 3, which is held so it is movable on a guide rail 2. The pullout guide 1 is arranged in each case on a side frame 53 of the drawer 50. An ejection mechanism is installed on each pullout guide 1, as shown in detail in Figures 1 to 9, the same reference numerals being used hereafter for identical components. The ejection system of Figures 1 and 16 is shown in Figures 17 to 20, the upper view showing the pullout guide and the ejection mechanism on the left side, while the lower view shows the pullout guide and the ejection mechanism on the right side of the drawer 50. In Figure 17, the drawer 50 is shown in a closed position, in which both ejection mechanisms are arranged in a latched closed position. The activator 5, which is guided via pins 10 and 12 in the curve guide 7, is located having one pin in the angled end section 71 and is therefore in a latched position in spite of the pre-tension of the spring 8. In Figure 18, in the ejection system, the driver 11 on the right (bottom view) has been unlocked, the corresponding pin having been moved out of the angled end section 71. The unlocking can alternately be performed by pulling or pushing on the drawer, since the activator 5 ensures unlocking of the driver 11 independently of the movement direction, as described above. On the left side (top view), the driver 11 is still in a locked position, in which a pin 12 is held in the angled end section 71 of the curve guide 7. The reverse case of Figure 18 is shown in Figure 19, in which the left side (top view) is unlocked and the driver 11 is moved via the spring 8 in the opening direction. The driver 11 is coupled via the activator 5 to the slide rail 3. In contrast, on the right side (bottom view) of the drawer 50, the 6613436 1 (GHMatters) P89309.AU WENDYS 12 driver 11 is still in the locked position and the driver 11 is held using a pin on the angled end section 71 of the curve guide 7. If an ejection mechanism was unlocked on the right or left side in the ejection system on the drawer, forced unlocking occurs on the opposite side. For this purpose, the circumstance is utilized that the unlocked driver 11 is moved via the force of the spring 8 in the opening direction and this force is transmitted via the activator 5 and the slide rail 3 to the drawer 50. The ejection mechanism on the opposite side thus also has a force applied thereto via the drawer 50, the slide rail 3, and the activator 5, this force being sufficient to pull the driver 11 out of the locked position. For this purpose, the middle web 16 on the activator 5 engages in the receptacle 14 and pulls the driver 11 into the linear section of the curve guide 7. A synchronization is thus automatically achieved, even if only single-sided unlocking was caused. In Figure 20, the ejection system of Figure 16 is shown having drivers 11 unlocked on both sides. Both drivers 11 are moved in the linear section of the curve guide 7 and are now moved because of the force of the spring 8 in the opening direction. The drivers 11 are coupled to the activators 5, which engage using two webs 16 and 17 in the receptacle 14. A pullout guide 1" is shown in Figure 21, in which a slide rail 3 is mounted so it is movable on a guide rail 2, identical components as in the preceding exemplary embodiments also being provided with identical reference numerals. A rotatably mounted activator 5", which engages in a receptacle on a driver 11", is provided on the slide rail 3. The driver 11" is mounted so it is displaceable on two curve guides 7 and 45 of a housing 6". A pin 10 of the driver 11" is guided in the curve guide 45, a pin 12, however, is guided in the curve guide 7". Upon closing, the linear end section of the curve guide 45 forms a pivot point for the driver 11" via the pin 10. The driver 11" is pivoted upon reaching the curved end section 71 by the pin 12 guided in the curve guide 7". Upon opening, the linear end section of the curve guide 7" forms a pivot point for the driver 11" via the pin 12. The driver 11" is pivoted upon reaching the curved end section 70 by the pin 10 guided in the curve guide 45. The respective pivoting of the driver 11" results in the release of the activators 5" or 41. Furthermore, 6613436 1 (GHMatters) P89309.AU WENDYS 13 the pivotable mounting of the activators 5" and 41 allows them to travel over the driver 11" in the end locations of the driver 11" in the curved end sections 70 and 71 of the curve guides 7" and 45. Alternatively, for example, the activators can also be implemented as vertically displaceable. The closed position of the drawer is shown in Figure 21, on which the driver 11" is fixed on an angled end section 71 of the curve guide 7" and pre-tensioned by the force of a spring 8 in the opening direction. A holder 46 for fastening the force accumulator 8 is provided on the guide rail 2. The force accumulator 8 is fixed on the holder 46 via a fixation 47. The other end of the force accumulator 8, which is designed as a tension spring, is fixed using a spring eye via the bolt 48 on the driver 11". To change the spring force, the fixation 47 on the holder 46 is designed as displaceable and fixable. In order to unlock the driver 11", one can pull on the drawer, so that the activator 5" coupled to the slide rail 3 then pulls the driver 11" out of the angled end section 71, as shown in Figures 22A and 22B. The driver 11" is then moved by the force of the spring 8 in the opening direction. Furthermore, a second activator 41 is connected to the slide rail 3, which is engaged with a second driver 42, which is guided in a second curve guide 43. The curve guide 43 and the driver 42 are connected to a self-retractor 44, which holds the drawer in the closed setting in its closed position. The self-retractor 44 can also comprise a damper 49, to brake a closing movement, to avoid striking noises. Furthermore, excess pressure, or triggering immediately after the closing procedure, is avoided by the damping. In Figures 23A and 23B, the driver 11" is shown in a position which arises through unlocking by pushing in the drawer. The activator 5" comprises a downwardly protruding web 40, on which a front stop surface 18" is implemented. This stop surface 18" is located adjacent to a lever 25, which is mounted so it is rotatable on the housing 6" around an axis 26. The lever 25 can be pre tensioned in a starting position by a spring or moved by gravity into a starting position. If the drawer is pushed into the furniture body, the web 40 moves to the right in Figure 23B and pivots the lever 25. An upper stop edge 27 of the lever 25 thus moves against a lower side of the driver 11" and presses it upward out of the angled end section 71 of the curve guide 7". In order that the 6613436 1 (GHMatters) P89309.AU WENDYS 14 driver 11" is not fixed by the lower projection 16" in the receptacle 14" of the driver 11", the activator 5" is also mounted so it is pivotable and can therefore easily be pivoted clockwise by the lever 25 and the driver 11" up to a stop. The driver 11" subsequently pulls the activator 5" in the opening direction after the unlocking by the force of the spring 8. Figures 24A and 24B show the position when the second activator 41 travels over the parked driver 11". The activator 41 is implemented in the form of a web and mounted so it is pivotable on the slide rail 3. The activator 41 can thus be pivoted upward via an intake bevel 56 on the driver 11" and moved in the opening direction. If the slide rail 3 is moved in the closing direction, the second activator 41 first engages in the receptacle 14" of the driver 11" and pulls the driver 11" out of the parked position, in order to tension the spring 8. The driver 11" is guided via a first pin 10 in a curve guide 45 and a second pin 12 in a curve guide 7". The curve guides 7" and 45 each comprise an angled end section 71 or 70, respectively, in order to pivot the driver 11" at the end of the curve guides 7" or 45. It is also possible to only provide a single curve guide having two angled end sections 70, 71. During the closing movement, the driver 11" is parked by the second activator 41 on the angled end section 71 of the curve guide 7", the activator 41 disengaging from the driver 11" through the pivoting of the driver 11" and the drawer being able to be moved further in the closing direction. In order to engage the activator 5" with the driver 11", according to Figures 25A and 25B, the drawer is moved further in the closing direction until the activator 5" reaches an intake bevel 55 on the driver 11" and is thus pivoted. The activator 5" can then be shifted along the intake bevel 55 until it engages in the receptacle 14" on the driver 11". The second driver 42 of the self retractor now simultaneously pulls the second activator 41 into the closed position, so that the closing movement no longer must be manually supported shortly before the closing movement. The self-retractor is also used to hold the movable furniture part or the drawer 50 closed. The holding closed prevents unintentional opening, for example, due to shocks or slight inclination of 6613436 1 (GHMatters) P89309.AU WENDYS 15 the piece of furniture in which the ejection device having a pullout guide and a movable furniture part are installed. Of course, it is also possible in the exemplary embodiment shown in Figures 21 to 25 to provide two pullout guides, which allow unlocking according to the ejection system according to an embodiment of the invention, even if one driver 11" was only unlocked from the locked position on one side by the unlocking procedure. The force of the spring 8 of the unlocked driver 11" then ensures unlocking of the other driver 11" on the second pullout guide. Figure 26 shows a further exemplary embodiment of a pullout guide 1"' according to an embodiment of the invention, which comprises a guide rail 2 and a slide rail 3, identical reference numerals being used for identical components. An activator 5"', which can be engaged with a driver 11"', is connected to the slide rail 3. The driver 11"' is guided along a curve guide 7"' on a housing 6"' and pre-tensioned by a spring 8 in the opening direction. The spring 8 is fixed on the end facing away from the driver 11"' by a bolt 180 on a holding web 181 and an adjustment bracket 182, openings being implemented on the holding web 181 and recesses being implemented on the holding web 182, into which the bolt 180 is insertable. The tension of the spring 8 can thus be set. A first lever 91 is mounted so it is pivotable on a receptacle on the driver 11"' and a second lever 92 is mounted so it is pivotable on an opposing side of the driver 11"'. The pullout guide 1"' is shown in a slightly open position in Figure 27, the second activator 41 on the lever 92 pressing against the driver 11"', in order to pull the driver 11"' out of the parked position along a bevel 70"' of the curve guide 7"'. The driver 11"' is now moved by the second activator 41 along the curve guide 7"' until the driver 11"' reaches the angled end section 71 and is pivoted downward. The activator 41 is thus released and the slide rail 3 can be moved further in the closing direction without coupling to the driver 11"'. 6613436 1 (GHMatters) P89309.AU WENDYS 16 The latched position is reached in Figure 29, when the activator 5'" reaches the driver 11"'. The activator 5'" then travels over the pivotable lever 91 and thus moves between the levers 91 and 92. The second activator 41 then engages with the driver 42, which is movable along the curve guide 43 and is moved by the self-retractor 44 in the closing direction until the closed position is reached. The closed position of the pullout guide is shown in Figures 30A and 30B. The activator 5'" is engaged with the driver 11'" and can be unlocked by a movement of the slide rail 3 both in the closing direction and also in the opening direction. The position of the activator 5"' on the driver 11"' is shown enlarged in Figure 30B. The activator 5"' is latched behind the lever 91, the lever 91 being pushed downward by a spring. The activator 5"' can now be engaged with the lever 91 and the driver 11"', in order to move the driver 11"' in the opening direction again through a pulling movement on the drawer. Alternatively, it is possible according to Figures 3 1A and 3 1B to unlock the drawer 11"' by pushing in the drawer. A downwardly directed web 40 of the activator 5"' then engages and pushes a rotatably mounted lever 25 around an axis 26, so that the lever 25 pushes the driver 11"' upward and unlocking is thus caused. During the opening procedure, the second activator 41 can now travel over the lever 92, the lever 92 then being pivoted and being pivoted back again by the force of a spring into the starting movement. A contact with the lever 91 is avoided by the bevel 70"' of the curve guide 7"'. A projection 16"' and a stop surface 18"' are shown in Figure 3 1B, via which the unlocking of the driver 11"' from the bent-over end section 71 is performed. After the unlocking, the driver 11"' is moved along the curve guide 7"' by the force accumulator 8. The activator 5"' which is engaged moves the movable furniture part coupled thereto in the opening direction via the attached slide rail 3. An ejection mechanism according to a further exemplary embodiment of the invention for a pullout guide 1"" is shown in Figure 32. In Figure 32, an ejection mechanism is shown, which 6613436 1 (GHMatters) P89309.AU WENDYS 17 comprises a modified housing 6"", in which a first curve guide 7"" having a bevel 70" on one end and an angled end section 71 on the opposing end is implemented. Furthermore, a grooved recess 64 is formed as a second curve guide, which extends diagonally downward in the opening direction. A third curve guide 65 is implemented in the horizontal direction. Furthermore, a recess 66, in which an axis 26 engages, is provided for mounting a lever 25. By means of the lever 25, a driver 11"" can be unlocked, which has a first pin 10 and a second pin 12, which are both guided in the curve guide 7"". The driver 11"" is pre-tensioned via a force accumulator 8, implemented as a tension spring, in the opening direction. The housing 6"" is implemented in two parts, so that a corresponding housing part having the curve guides 7"", 64, and 65 is implemented on both sides of the driver 11"". A holder 89 is provided on a slide rail or a drawer floor, which can be pressed in the closing direction against a stop 90 of an activator 5"". The activator 5"" is guided between the two housing parts of the housing 60"" and comprises a first vertical receptacle 83, in which a ratchet 81 is spring-mounted, and a second vertical recess 84, in which a second ratchet 80 is spring mounted, as well as a third vertical receptacle 85 for a locking pin 87. The ratchets 80 and 81 are pre-tensioned downward via springs, in order to act on the driver 11"". The locking pin 87 is mounted so it is movable in the vertical direction in the activator 5"". In Figures 33A and 33B, the ejection mechanism is shown on a pullout guide having a guide rail 2 and a movable slide rail 3. The ejection mechanism is located in a closed position, in which the driver 11"" is locked on the angled end section 71 of the curve guide 7"". The activator 5"" comes into contact with an elastic stop 31"", which is accommodated in a mount 32"". The elastic stop prevents excess pressure, or direct further triggering of the ejection device during or shortly after the closing procedure. As shown in Figure 33B, the drawer can be opened by pulling, the holder 89 then acting on the locking pin 87, which in turn moves the activator 5"" in the opening direction, so that the ratchet 80 pulls the driver 11"" out of the locked position via its projection 16"". Furthermore, opening can be achieved in that the drawer is moved in the closing direction, the stop surface 18"" of the opposing ratchet 81 then acting on the lever 25, which pivots around the axis 26 and thus raises the driver 11"" out of the angled end section 71. The 6613436 1 (GHMatters) P89309.AU WENDYS 18 driver 11"" then slides with the two pins 10 and 12 in the curve guide 7"" because of the force of the force accumulator 8 up to the beveled section 70"". In Figures 34A and 34B, the driver 11"" has arrived at the beveled section 70"". The driver 11"" is pivoted downward by the guiding of the pin 10 on the bevel 70"", so that the ratchet 80 disengages from the driver 11"". The ratchet 80 can now be moved beyond the driver 11"" and the second ratchet 81 has an intake bevel 82 and can be pushed upward against the force of the spring by the contact with the driver 11"" and moved in the opening direction. The locking pin 87 is displaced downward by the movement in the opening direction, the locking pin 87 being guided by a guide pin 88 in a corresponding recess of the activator 5"". In Figures 35A and 35B, the slide rail 3 has been moved further in the opening direction, the projection 90 still pressing against the block 89. The locking pin 87 has been moved downward along the guide 64 extending diagonally downward and has now released the block 89. The slide rail 3 can thus be moved further in the opening direction and is now decoupled from the activator 5,,,. Figure 35A shows receptacles 93 for fixing the force accumulator 8, implemented as a tension spring, on the housing 6"". In the receptacles 93, which are arranged diametrically opposite in both housing parts of the housing 6"", a bolt 94 for fixing the force accumulator 8 is inserted at one end. The bolt 94 is designed so that it can be inserted at various positions into the receptacles 93 of the housing 6"" to change the force of the force accumulator 8 implemented as a tension spring. The other end of the force accumulator 8 is fixed via a bolt 95 on the driver 11"". For a closing movement, the sliding rail is moved in the closing direction until the block 89 presses against the projection 90, so that the activator 5"" is moved somewhat in the closing direction until the position shown in Figures 36A and 36B is reached. In this position, the block 89 is again locked between the projection 90 and the locking pin 87 and the ratchet 81 presses against a projection of the driver 11"". The driver 11"" is thus now moved in the closing direction along the curve guide 7"" until the driver 11"" having the pin 12 is pivoted downward 6613436 1 (GHMatters) P89309.AU WENDYS 19 on the angled end section 71 and thus locked. The position shown in Figures 33A and 33B is been reached. A further exemplary embodiment of an ejection mechanism in the installed position is shown in Figure 37. A thrust element 101 is implemented as a drawer and can be installed so it is movable in a furniture body. A guide rail 102 of a pullout guide is provided for this purpose, on which at least one slide rail is mounted so it is movable. The slide rail is located in a hollow side frame 103 of the drawer and a floor 105 of the drawer is fixed via multiple holders 106 on the slide rail. The movement direction X of the thrust element 101 is identified by arrows in the drawings. A housing 107 is installed on the bottom side of the floor 105, which essentially consists of two plate shaped housing parts, on which slotted curve guides 108, 109, and 110 are recessed. A web-shaped activator 116, which is fixed on the furniture body or the stationary guide rail 102, protrudes into the housing 107. The activator 116 is only partially shown for better comprehensibility. The thrust element 101 is held in a closed position via a retraction device 104, such retraction devices 104 being known as self-retractors and being able to be installed in a compact construction adjacent to the pullout guide. The ejection device according to an embodiment of the invention is shown in a closed position in Figure 38. The retraction device 104 comprises a retraction housing 140 having a curve guide 141 having an angled end section 142. A retraction driver 143, which is coupled to a web-shaped retraction activator 144, is mounted so it is movable in the retraction curve guide 141. A damper 145 is coupled to the retraction housing 140, furthermore, a spring for pre-tensioning the retraction driver 143 in the closing direction is located in the retraction housing 140. The retraction activator 144 arranged on the movable thrust element 101 or the slide rail is thus pre tensioned in the closing direction. The retraction device 104 can also have a damper to brake a closing movement before reaching the closing movement. 6613436 1 (GHMatters) P89309.AU WENDYS 20 Furthermore, the web-shaped activator 116 is recognizable in Figure 38, which is fixed at the end in a receptacle of a driver slide 113. The driver slide 113 comprises, on the side facing away from the activator 116, a first movable ratchet 114 and a second movable ratchet 115, which are spring-mounted and can be pushed into the driver slide 113. In the closed position, the second ratchet 115 is engaged with a driver 111, which is mounted so it is movable via pins in the first curve guide 118. The driver 111 is pre-tensioned via a force accumulator in the form of a tension spring 112 in the opening direction. The end of the spring 112 facing away from the driver 111 can be fixed on the housing 107. The driver 111 can be latched on an angled end section 171 of the curve guide 108 against the force of the spring 112. An angled end section 170, on which the driver 111 is pivotable, is also implemented on the opposing end of the curve guide 108. Since the driver 111 is in the latched position, no forces act on the housing 107 via the driver slide 113 in the opening direction. The retraction device 104 holds the thrust element 101 in the closed position. The ejection device is shown during unlocking of the driver 111 in Figure 39. For this purpose, the thrust element 101 is pushed into the furniture body, so that the first ratchet 114 pushes against a pivotable ejector lever 130. The ejector lever 130 is mounted so it is movable around an axis 131 on the housing 107. One leg 132 of the ejector lever 130 presses against the ratchet 114, while the opposing leg 133 presses against the driver 111. By pushing in the thrust element 101, the ejector lever 130 is rotated clockwise around the axis 131, so that the leg 133 moves the driver 111 out of the angled end section 171 of the curve guide 108. The driver 111 is thus unlocked and now pulled by the force of the spring 112 along the curve guide 108. The driver 111 presses with a tip 150 against a stop 151 of the driver slide 113, so that the driver slide 113 is moved together with the driver 111. An integrally implemented wall 117 thus pushes against the stationary activator 116, so that the housing 107 is moved together with the thrust element 101 in the opening direction. The ejection device is shown in a slightly open position in Figure 40. The driver 111 is located in a middle area of the first curve guide 108 and still has force applied thereto by the spring 112. 6613436 1 (GHMatters) P89309.AU WENDYS 21 The driver slide 113 is thus also moved to the right, the driver slide 113 being movable along a second curve guide 110. The curve guide 110 is implemented as linear and the driver slide 113 therefore moves linearly via guide means along the housing 107. Furthermore, a movable stop 118 is provided on the driver side 113, which is movable via a pin 119 in a third curve guide 109. The third curve guide 109 is arranged inclined to the second curve guide 110, so that the stop 118 is moved downward upon movement of the driver slide 113 to the right in Figure 40. The stop 118 is held so it is movable perpendicularly to the movement direction of the driver slide 113 in an oblong hole 120. In the position shown in Figure 40, the retraction device 104 is decoupled from the retraction activator 144, since the driver 143 has been moved along the retraction curve guide 141 to the angled end section 142 and parked pivoted therein. The retraction activator 144 is thus released and can now move further in the opening direction independently of the retraction driver 143. In Figure 41, the ejection device is shown in a position in which the driver 111 has reached the angled end section 170 and is thus pivoted. In the pivoted position, the ratchet 115 and the driver slide 113 can move further to the right independently of the driver 111, so that the housing 107 is moved together with the thrust element 101 in the opening direction. The thrust element 101 is now no longer accelerated by the force of the spring 111. The movable stop 118 is moved further along the curve guide 109 and sinks down further, the activator 116 still being held in the receptacle between the movable stop 118 and the wall 117. In Figure 42, the ejection device is shown in a position in which the movable stop 118 has been moved downward sufficiently that the web-shaped activator 116 is released. The housing 107 can now be moved further in the opening direction together with the driver slide 113, i.e., independently of the activator 116, which is arranged stationary. During the further opening movement, the first ratchet 114 slides over the driver 111 and is briefly pushed upward against the force of a spring and latches behind the driver 111 again, a corresponding intake bevel 124 being implemented on the ratchet 114 for this purpose. 6613436 1 (GHMatters) P89309.AU WENDYS 22 A position is shown in Figure 43 when the thrust element 101 is moved in the closing direction again. The ratchet 114 first engages on the driver 111 and pulls it out of the parked position on the angled end section 170, the driver 111 being moved against the force of the spring 112 along the curve guide 108. The driver slide 113 is supported with the wall 117 on the activator 116, so that the driver slide 113 is moved along the curve guide 110. A position of the ejection device before reaching the closed position is shown in Figure 44. The driver slide 113 is moved far enough along the curve guide 110 that the movable stop 118 is again arranged on the rear of the activator 116 and the activator is now held between the stop 118 and the wall 117. The first ratchet 114 has moved the driver 111 sufficiently far along the curve guide 108 that the spring 112 is substantially tensioned. In the position shown, the retraction activator 144 now engages on the retraction driver 143, so that it is unlocked and the retraction device 104 is activated. In Figure 45, the ejection device is shown before reaching the closed position, when the driver 111 has reached the angled end section 171 and is now latched against the force of the spring 112. The driver 111 thus pivots and the first ratchet 114 can be moved over the driver 111. The driver slide 113 is now moved further along the second curve guide 110, the retraction device 104 now pulling the thrust element 101 in the closing direction, so that it can be moved without further application of force by the user after the tensioning of the spring 112 and latching of the driver 111. The thrust element 101 therefore retracts automatically. In Figure 46, the ejection device is shown shortly before reaching the closed position. The second ratchet 115 now slides using an intake bevel over the driver 111. The driver slide 113 is still moved by the retraction device 104 in the closing direction. The closed position is shown in Figure 47, in which the second ratchet 115 is latched behind the tip 151 of the driver 111. The ratchet 115 is also spring-mounted on the driver slide 113. The movable stop 118 is extended again by the movement along the curve guide 109 and in the oblong hole 120 and the activator 116 is therefore enclosed between the movable stop 118 and the wall 117. A spring cushion 122 prevents the ejection device from again unintentionally 6613436 1 (GHMatters) P89309.AU WENDYS 23 initiating an opening procedure after the closing procedure. Furthermore, the screen gap is generated via the spring cushion 122, to allow triggering of the ejection device by pressure in the closing direction. During the unlocking, the thrust element 101 was pushed into the furniture body, so that unlocking of the driver 111 has occurred via the ejector lever 130. However, it is also possible to unlock the driver 111 by pulling on the thrust element, since the driver 111 is then pulled out of the angled end section 171 and can then display the position shown in Figure 28 without movement of the ejector lever 130. The driver 111 is again located in a middle section of the curve guide 108 and is unlocked. Otherwise, the ejection procedure and the following closing occurs as described above. The ejection devices according to various embodiments of the invention are usable with all linearly displaceable furniture parts, for example, with sliding doors. It is to be understood that, if any prior art publication is referred to herein, such reference does not constitute an admission that the publication forms a part of the common general knowledge in the art, in Australia or any other country. In the claims which follow and in the preceding description of the invention, except where the context requires otherwise due to express language or necessary implication, the word "comprise" or variations such as "comprises" or "comprising" is used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention. 6613436 1 (GHMatters) P89309.AU WENDYS 24 List of reference numerals 1 pullout guide 1' pullout guide 1" pullout guide 1'" pullout guide 1"" pullout guide 2 guide rail 3 slide rail 5 activator 5' activator 5" activator 5'" activator 5"" activator 6 housing 6' housing 6" housing 6"" housing 7 curve guide 7' curve guide 7" curve guide 7' curve guide 7"" curve guide 8 force accumulator 8' force accumulator 9 mount 10 pin 11 driver 11' driver 11" driver 11"' driver 11"" driver 12 pin 13 middle rail 14 receptacle 14" receptacle 16 web 16' projection 16" projection 16"' projection 16"" projection 17 web 18 projection 18' intake bevel 18" stop surface 6613436 1 (GHMatters) P89309.AU WENDYS 25 18" stop surface 18"" stop surface 19 oblong hole 20 screw 20' screw 21 contact surface 21' contact surface 22 contact surface 22' hook 25 lever 26 axis 27 stop edge 30 web 31 stop 31"" stop 32 mount 32"" mount 40 web 41 activator 42 driver 43 curve guide 44 self-retractor 45 curve guide 46 mount 47 fixation 48 bolt 49 damper 50 drawer 51 floor 52 holder 53 side frame 55 intake bevel 56 intake bevel 60 housing 64 guide/recess 65 curve guide 66 recess 70 end section 70"' bevel 70"" bevel 71 end section 80 ratchet 81 ratchet 82 intake bevel 83 receptacle 84 recess 6613436 1 (GHMatters) P89309.AU WENDYS 26 85 receptacle 87 locking pin 88 guide pin 89 block/holder 90 projection/stop 91 lever 92 lever 93 receptacle 94 bolt 95 bolt 101 thrust element 102 guide rail 103 side frame 104 retraction device 105 floor 106 holder 107 housing 108 curve guides 109 curve guides 110 curve guides 111 driver 112 tension spring 113 driver slide 114 ratchet 115 ratchet 116 activator 117 wall 118 curve guide 118 stop 119 pin 120 oblong hole 122 spring cushion 124 intake bevel 130 ejector lever 131 axis 132 leg 133 leg 140 retraction housing 141 curve guide 142 end section 143 retraction driver 144 retraction activator 145 damper 150 tip 151 stop 170 end section 6613436 1 (GHMatters) P89309.AU WENDYS 27 171 end section 180 bolt 181 holding web 182 adjustment bracket 6613436 1 (GHMatters) P89309.AU WENDYS

Claims (20)

1. An ejection mechanism comprising: a driver and a curve guide along which the driver is movable, the driver being pre tensioned in one direction by at least one force accumulator, and being able to be latched on the curve guide with tensioned force accumulator in a closed position; and an activator, which can be coupled to the driver at least in the closed position, the activator being movable relative to the curve guide or the curve guide being movable relative to the activator in the closed position, the driver being unlockable via movement of the activator relative to the curve guide or via movement of the curve guide relative to the activator, wherein the activator and/or the curve guide are movable both in a first direction and also an opposing second direction to unlock the driver.
2. The ejection mechanism according to Claim 1, wherein the driver is pivotable out of the closed position by the relative movement between activator and curve guide.
3. The ejection mechanism according to Claim 1 or 2, wherein the activator has a first contact surface for unlocking the driver through a movement in the first direction, and a second contact surface, which is spaced apart from the first contact surface, for unlocking the driver through a movement in the second direction.
4. The ejection mechanism according to any one of Claims 1 to 3, wherein the driver has two pins spaced apart from one another, which engage in the curve guide.
5. The ejection mechanism according to any one of Claims 1 to 4, wherein the curve guide has at least one bent-over end section, on which the driver can be latched in the closed position.
6. The ejection mechanism according to any one of Claims 1 to 5, wherein the activator encloses the driver substantially in a U shape. 6613436 1 (GHMatters) P89309.AU WENDYS 29
7. The ejection mechanism according to Claim 3, wherein the driver has a hook, on which the first and the second contact surfaces are implemented.
8. The ejection mechanism according to any one of Claims 1 to 7, wherein at least one lever, which is movable by either or both of the activator and the curve guide, is provided, by means of which the driver is unlockable.
9. The ejection mechanism according to Claim 8, wherein the lever is mounted to be rotatable on a housing, in which the curve guide is implemented.
10. The ejection mechanism of any one of the preceding claims, wherein the ejection mechanism is for movable furniture parts.
11. A pullout guide comprising a guide rail installable on a furniture body , a movably mounted slide rail, and an ejection mechanism wherein the ejection mechanism is according to any one of the preceding claims.
12. The pullout guide according to Claim 11, wherein the activator is fixed so as to be adjustable on the slide rail in the movement direction of the slide rail.
13. The pullout guide according to Claim 11 or 12, wherein the curve guide is fixed on the guide rail.
14. The pullout guide according to any one of Claims 11 to 13, wherein an elastic stop is provided, in order to limit the slide rail with the activator in the closed position.
15. The pullout guide according to any one of Claims 11 to 14, wherein a damper is provided, in order to brake the slide rail before reaching the closed position. 6613436 1 (GHMatters) P89309.AU WENDYS 30
16. The pullout guide according to any one of Claims 11 to 15, wherein an activator is mounted so it is pivotable and/or displaceable on the slide rail and can be latched with the driver.
17. The pullout guide according to any one of claims 11 to 16, wherein the pullout guide is for drawers.
18. An ejection system comprising a first and a second ejection mechanism, each ejection mechanism provided according to any one of claims 1 to 10, the first and second ejection mechanisms being connected to one another via a movable furniture part.
19. The ejection system according to Claim 18, wherein upon unlocking of the driver of the first ejection mechanism, the driver of the second ejection mechanism is also unlocked from the latched closed position.
20. An ejection mechanism and/or a pull out guide having an ejector mechanism substantially as hereinbefore described with reference to any one of the accompanying drawings. 6613436 1 (GHMatters) P89309.AU WENDYS
AU2010280717A 2009-08-07 2010-08-06 Ejection mechanism, pull-out guide and ejection system Ceased AU2010280717B2 (en)

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DE102009026349.7 2009-08-07
DE102010000571 2010-02-26
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PCT/EP2010/061514 WO2011015663A2 (en) 2009-08-07 2010-08-06 Ejection mechanism, pull-out guide and ejection system

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JP (1) JP5678329B2 (en)
KR (1) KR20120059539A (en)
CN (1) CN102469880B (en)
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DE (1) DE102010036902A1 (en)
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