EP3132717B1 - Device for moving a movable piece of furniture and piece of furniture - Google Patents

Description

State of the art

In furniture parts such as drawers, furniture doors or furniture flaps, which are movably received on a furniture body of a piece of furniture, devices for influencing the movement of the furniture part are used. Such devices are z. B. formed by a unit which is attachable to the furniture part or the furniture body at a suitable location. Devices for influencing the movement of the furniture part are for example from the EP 2 371 241 A1 or the DE 36 21 259 A1 known.

In modern and user-friendly furniture devices for the movement of the furniture part are known, for example, which can be optionally provided. In particular, the device is mounted separately to a sliding guide associated with the furniture part, such as a full or partial drawer or a pivoting guide, such as a hinge, on the furniture. With the device, an additional function for influencing the furniture part movement can be provided. The additional function can be individually tailored to the type and size of the furniture part, in particular to allow a user-friendly use of the furniture part. This concerns, for example, systems for providing an opening function with a force support tunable to the furniture part.

Purpose and advantages of the invention

Object of the present invention is based on the aforementioned arrangements an additional function for a furniture part movement by means of a sliding guide, such as a full or partial extract, or a pivot guide advantageous to provide, in particular an advantageous force support an opening movement to open the furniture part on a first leg allow the opening path of the furniture part.

This object is solved by the independent claims.

The dependent claims relate to advantageous embodiments of the invention.

The invention relates to a device for moving a movable furniture part in an opening direction of the furniture part in relation to a furniture body of a piece of furniture, wherein the movable furniture part can be brought via guide means in the opening direction and in a direction opposite to the opening direction closing direction, wherein the device comprises a force storage device such that the movable furniture part can be brought into the opening direction of the movable furniture part under the action of the force accumulator, and the device has a latching arrangement for locking a clamping position of the energy accumulator in which the energy accumulator is loaded for the opening movement of the furniture part, wherein the clamping position of the force accumulator can be unlocked by a displacement of a cooperating with the locking arrangement triggering element of the device.

The guide means for guiding the furniture part on the furniture body are not associated with the device according to the invention for moving the movable furniture part.

The gist of the invention is that a pivotable stored locking member of the locking arrangement is present, wherein the trigger element and the locking member are coordinated such that for unlocking the clamping position of the energy storage, the trigger element performs a linear displacement movement and comes into contact with the locking member, that the locking member undergoes a pivoting movement or vice versa. This is advantageous and user-friendly high reliability of the unlocking process realized with the device according to the invention. In particular, it is advantageous that a comparatively small trip path of the trigger element is sufficient to achieve a trouble-free and safe release of the lock.

According to the inversion of the first-mentioned variant of the invention, the invention comprises a further variant of the invention, in which a pivotally mounted release element is present, wherein the locking member of the locking assembly and the trigger element are coordinated such that for unlocking the clamping position of the energy storage, the trigger element performs a pivoting movement and so comes in contact with the locking member that the locking member undergoes a linear displacement movement. In the following, particular attention will be given to the first variant with the linearly displaceable release element and the pivotally mounted locking member, with what has been said correspondingly being valid for the further variant.

In known arrangements, disturbances in the unlocking or false triggering are not excluded, according to which, despite a triggering attempt by a user, in which the triggering necessary effect on the furniture part or the device does not take place spatially and / or temporally far or long, there is no or only partial cancellation of the lock, which is undesirable or can lead to damage.

The combination of the linear movement of the trigger element and the rotation or pivoting movement of the locking member solves this problem in an advantageous manner. In particular, even a comparatively small triggering path of the triggering element is sufficient, based on a state at the beginning of the unlocking operation, in order to reliably unlock the locking member. Preferably, at the beginning of the unlocking operation, the triggering element is in contact with the locking member.

The device according to the invention is preferably used for ejecting a drawer or for ejecting a door or flap or is designed in particular as a drawer or furniture door opening device.

The linear displacement movement of the trigger for triggering the pivoting movement is preferably carried out parallel to or in particular in the direction of movement of the furniture part in the closing direction. The linear displacement movement of the triggering element is preferably carried out in the direction transverse to a pivot axis of the locking member. The pivot axis of the locking member is in particular preferably in a plane which is spanned by the length and the width of the device.

The trigger element and the locking member are advantageously in mutual contact in all operating states of the device.

Preferably, a portion of the locking member is received in a material recess on the trigger element, whereby the trigger element and the locking member are secured against mutual loosening.

It is also advantageous that the triggering element is tuned such that the linear displacement movement of the triggering element relative to a mounted state of the device with a movement of the movable furniture part in the closing direction of a predetermined on the furniture body Closed state of the furniture part is done.

The triggering element is preferably via an ejector, which is moved when pressing the furniture part in the closing direction of the furniture part, displaceable. For example, in a release operation for unlocking the clamping position of the energy storage of the ejector is pressed by the furniture part in the closing direction, the ejector abuts against the trigger and the trigger linearly offset.

Preferably, the device according to the invention is equipped for this purpose with a so-called touch-latch function. With integrated touch-latch function, the furniture body closed and held in the closed position usually furniture part is moved by a movement in the closing direction over a relatively short movement path of the furniture part, which is done by a user from the outside, for example, by pressing the furniture part , The trigger element is adjusted so that it undergoes a linear or translational movement when pressing the furniture part, whereby the lock is released. After pressing the furniture part, when the user no longer acts on the furniture part, the furniture part is moved from the closed or slightly inwardly pressed position on the furniture body in the opening direction under the effect of the charged or tensioned energy storage. The moving out relative to the furniture body under the force storage effect via at least a portion of a maximum possible opening path of the furniture part. The device according to the invention is preferably designed so that the force accumulator is reloaded with a closing movement of the furniture part relative to the furniture body. The force required for this purpose is applied by the user when the user closes the furniture part again.

The triggering element and a displaceably mounted on the device Auswerferteil the device are coupled to each other such that in the coupled state by a Displacement movement of the Auswerferteils in a release direction, the linear displacement movement of the trigger element is carried out, wherein the trigger element and the Auswerferteil are separate components. The triggering element and the ejector part are preferably mounted reversibly movable in the same direction. The Auswerferteil is preferably moved relative to the device when the movable furniture part is pressed in the closed position on the furniture body in the closing direction, which z. B. according to the realized on the device touch latch function.

Further, it is advantageous that the locking member and a force storage receptacle on which the force accumulator is accommodated, spaced apart from each other, with a direct contact contact between the locking member and the force accumulator receiving is excluded. The energy storage receptacle is preferably a moving component of the device, which preferably moves when tensioning and relaxing the force accumulator. Preferably, one end of the force accumulator, for example one end of a spring assembly of one or more coil springs, is attached to the force accumulator receiver. The other end of the force accumulator preferably remains in a fixed position setting. Between the energy storage receptacle and the locking member, a coupling device is preferably provided. With the coupling device, direct contact contact between the locking member and the energy storage recording can be advantageously excluded. This is advantageous in terms of the operation of the device and in particular with regard to a force required to tension the force accumulator.

Another advantage of the invention results from the fact that the energy storage recording is exclusively linearly movable. This is structurally advantageous and allows an advantageous efficiency of the energy storage device when opening the furniture part.

The locking member knows a locking pivot position, wherein retaining means are present, which urge the locking member automatically in the direction of the locking pivot position. This ensures that the locking member permanently and reliably fulfills the locking function. Preferably, the holding means act continuously. The retaining means comprise a spring element for providing a spring force, wherein the spring force, the locking member is permanently urged into the locking pivot position when no major resultant force acts against it. On the other hand, the spring element advantageously allows the pivoting movement of the locking member out of the locking position against the spring force when unlocking.

When returning to the locking pivot position of the locking member, the trigger member is in a position which allows the locking member to reach the locking position. When the Verrieglungsorgan is in the locking position, the trigger element is preferably in a linearly recessed on the device home position or quiescent waiting position, in which the trigger element is brought, for example by a force acting on the trigger element spring force. The waiting position of the trigger element thus differs from the position of the trigger element, in which the trigger element is linearly offset from the waiting position to bring the locking member from the locked position.

It is also advantageous that transmission means are provided with a first transmission section on the trigger element and a second transmission section on the locking member, wherein the two transmission sections for unlocking the clamping position of the energy accumulator come into mutual contact. The adjoining transmission sections are designed such that a guided, smooth and continuous transmission of the linear displacement movement of the trigger element in a pivoting movement of the locking member to allow. The motion transmission preferably functions in a first direction or in a triggering direction and in a second direction opposite to the first direction. In particular, a backlash-free and precise movement coupling between the triggering element and the locking member is thus established. In addition, the transfer sections are preferably configured such that movement of the latch member from the non-latching position back to the latching position allows the movement of the trigger member back to the recessed position and to the standby condition, respectively, by mutual engagement of the transfer sections is at least supported before the triggering process, if the triggering element is not set back in any other way.

It is also proposed that, based on the direction of the linear displacement movement of the triggering element, the first transmission section and / or second transmission section have an obliquely aligned surface section. In particular, the first and second transfer sections comprise similar inclined surface sections. The transmission means may, for example, or are preferably in the form of a bevel gear or a splined gear, wherein flat inclined planar surface portions or transmission surfaces are mutually flat in abutment. Alternatively, other arrangements for transmitting motion from a linear motion to a pivoting motion or vice versa may be used, such as a rack having a rotating pinion engaging therein or a reciprocating friction section having a rotatable friction wheel abutting thereto or a flexible tension member frictionally engaged about two spaced, in particular parallel axes rotating gear means is guided.

The angle of the oblique surface portion to the direction of the linear displacement movement is for example about 40 to 60 degrees.

It is also advantageous that the triggering element is resiliently mounted. In particular, the resilient mounting allows an arrangement based on the linear displacement movement of the trigger element, so that a provision of the trigger element against the displacement movement for unlocking the clamping position of the energy storage device in particular automatically, for example, with a return spring such. B. a coil spring or a spring bar.

The triggering element has a recess into which engages the locking member. In particular, the engagement takes place laterally or laterally to the linear direction of movement of the triggering element. This represents a space-saving design. In addition, this training is secured against mutual decoupling of the trigger element and the locking member. Preferably, the locking member engages in the recess and comes with the second transmission portion in contact with the first transmission section on the trigger element. The first transmission section on the triggering element is preferably formed by a part of an edge of the recess on the triggering element.

The recess may be configured in particular in the manner of a depression or a groove or an elongated hole. The pivot axis of the locking member extends into the recess. The recess is open laterally or to the locking member.

It is also advantageous that the locking member forms a stop for a counter portion with locked clamping position of the force accumulator, which is coupled to the force accumulator, wherein in the locked clamping position of the Force accumulator of the counter portion on the locking member is such that a movement of the counter portion is blocked in the direction in which moves the counter portion after unlocking the clamping position of the force accumulator.

The locking member preferably forms in the clamping position of the force accumulator or in the locking state, a mechanical stop on which the counter portion is present, whereby the locked clamping position of the force accumulator is secured. The counter portion is biased against the locking member so that as soon as the locking member leaves the locking position, the counter portion moves in the release direction, whereby the clamping position is canceled. After the lifting of the clamping position, the locking member automatically returns, preferably by means of a spring force in the locking position. The provision in the locking position of the locking member is preferably carried out within a period of time in which takes place with the power storage, the force-assisted opening movement of the movable furniture part. It does not matter in which state the energy store is located. When re-tensioning the partially discharged or partially relaxed force accumulator, the locking member is already back in the locked position. Preferably, the locking member remains during the entire tensioning of the force accumulator without movement in the locked position. The counter section is therefore preferably designed so that the counter section passes by an evasive movement or evasive on the locking member to the locked To achieve clamping state of the energy storage. For this purpose, it is necessary that the counter portion with the evasive movement passes by the mechanical stop, since the locking member does not evade or remains in the locking position. A reverse arrangement with a divergence of the locking member would be disadvantageous, especially because the locking member may not be timely or incomplete return to the locking position.

The invention also extends to a piece of furniture with a furniture body and a movable furniture part, which can be brought via guide means in an opening direction of the furniture part and in an opening direction opposite closing direction relative to the furniture body, wherein a device is provided as explained above. This allows the explained advantages to realize the furniture. In particular, it is preferably such that the guide means, for example, a full extension is equipped with a retraction automatic for drawing the not completely closed furniture part relative to the furniture body. Also, a synchronization of the touch-latch function of two corresponding existing devices is advantageously provided. The furniture part is formed, for example, as a drawer, which is movably received on two opposite side walls of the furniture body via two lateral full extension.

Description of the embodiments

Further features and advantages of the invention are explained in more detail with reference to exemplary embodiments illustrated schematically in the figures.

Figur 1

ein erfindungsgemäßes Möbel perspektivisch von schräg oben mit einer Schublade im vollständig geöffneten Zustand an einem Möbelkorpus,

Figur 2

eine erfindungsgemäße Vorrichtung ohne ein Abdeckbauteil in Explosionsdarstellung,

Figur 3 bis Figur 8

die Vorrichtung gemäß Figur 2 im zusammengesetzten Zustand in einer Aufsicht einer ersten Hauptseite in unterschiedlichen Betriebszuständen,

Figur 9

die Vorrichtung gemäß Figur 5 mit dem Abdeckbauteil perspektivisch schräg von unten mit Blick auf eine zweite Hauptseite der Vorrichtung,

Figur 10

ein Auslöseelement und ein Verriegelungsorgan in perspektivischer Ansicht in einer Wartestellung des Auslöseelements und

Figur 11

eine Seitenansicht der Anordnung gemäß Figur 10.

In detail shows:

FIG. 1

an inventive furniture in perspective from obliquely above with a drawer in the fully open state on a furniture body,

FIG. 2

a device according to the invention without a cover component in exploded view,

FIG. 3 to FIG. 8

the device according to FIG. 2 in the assembled state in a plan view of a first main page in different operating states,

FIG. 9

the device according to FIG. 5 with the cover component in perspective obliquely from below with a view of a second main side of the device,

FIG. 10

a triggering element and a locking member in a perspective view in a waiting position of the triggering element and

FIG. 11

a side view of the arrangement according to FIG. 10 ,

An inventive furniture 50 with a box-shaped furniture body 51 and a guide means 52 movably guided drawer 53 is in FIG. 1 shown. The drawer 53 comprises a drawer bottom 54, a drawer front 55, two opposite side walls 56 and a drawer rear wall 57. For guiding the drawer 53, two equally acting guide means 52 are provided between each side wall 56 of the drawer 53 and an associated body side wall 59. On an underside of the drawer bottom 54, a device 58 according to the invention (shown in dashed lines) for moving or ejecting the furniture part designed as a drawer 53 in the opening direction M1 is arranged.

FIG. 2 shows the exploded view of the device 58, which is designed as an ejector unit 1 for the drawer 53.

The ejector unit 1 is used for power-assisted ejection of the drawer 53 over a first part of the opening movement of the drawer 53 from a closed position relative to the furniture body 51 in the opening direction M1 of the drawer 53rd

The drawer 53 is slidably mounted on the furniture body 51 in the direction of M1 and M2 via the guide means 52, for example, two similar partial or full extension. The ejector unit 1 may alternatively be arranged on the furniture body 51 or on the guide means 52 of the furniture 50.

The ejector unit 1 comprises, inter alia, a base plate 2, a force accumulator 3, a coupling device 4, an ejector 5, a trigger element designed as a trigger 6 and a locking member 7.

A housing of the ejector unit 1 comprises the base plate 2 and a cover component 9, which consists of FIG. 9 is apparent. The ejector unit 1 can be arranged via the housing or via the cover component 9 and / or the base plate 2 on the underside of the drawer bottom 54 and / or on the guide means 52.

On the base plate 2 holding sections, guide contours, stop members and / or receiving portions for connection of the individual components of the ejector unit 1 are formed. The base plate 2 is designed essentially as a rectangular, elongated or strip-shaped component with a comparatively small height h of, for example, approximately 5 to 15 millimeters. The base plate 2 further has a width b of about 4 to 10 centimeters and a length g.

According to the embodiment shown, the energy accumulator 3 comprises two parallelly arranged similar spiral springs 10, 11, which form a spring assembly. At a first end 12 of the force accumulator 3, the coil springs 10, 11 are arranged on an adjustable fixed bearing 13. The fixed bearing 13 comprises a movable bearing part 14, on which the coil springs 10, 11 are detachably but firmly received and an adjusting member 15 with an operating section 16, via which a user can set a position of the end 12 of the energy accumulator 3 from the outside variable fixed position. As a result, a force effect of the energy accumulator 3 can advantageously be preset on the drawer 53 during the opening process of the drawer 53.

At a second end 17 of the energy accumulator 3, the associated ends of the coil springs 10, 11 are fixed to a carriage-like moving element 18. The slide-like movement element 18 is guided via an associated guide contour 19 on the base plate 2 movable in a direction of movement P1 and an opposite direction of movement P2 linear.

The directions of movement P1 and P2 of the moving element 18 (see FIG. Figures 2 . 3 ) run parallel to the opening direction M1 of the drawer 53 and a closing direction M2 opposite thereto.

If the ejector unit 1 is fixedly arranged on the furniture body 51 and / or on a stationary part of the guide means 52, the opening direction of the drawer 53 corresponds to the direction P1 and the closing direction of the drawer 53 to the direction P2.

In addition, it is assumed that a mounting state of the ejector unit 1 on the drawer bottom 54.

The Figures 3 . 7 . 8th show the ejector unit 1 in a clamping state of the energy accumulator 3, in which the coil springs 10, 11 stretched or stressed on train, in this case the moving member 18 is offset relative to a retracted in the direction P2 position on the base plate 2 in the direction of P1 and held in a clamping position.
The Figures 5 . 6 show the ejector unit 1 in a discharged basic state of the energy accumulator 3, in which the coil springs 10, 11 are further biased to train, but with a smaller amount, and have a length L1.

In the clamping state of the force accumulator 3, the coil springs 10, 11 have a length L2 which is greater than L1.

On the movement element 18, a holding member 32 with a stop element 26 is present. The stop element 26 is in a force-assisted opening operation in contact with an ejector. 5

The ejector 5 is in particular only linearly movable or parallel to the direction of movement of the moving element 18 in the directions P1 and P2 through the coupling device 4, the force memory 3 and the movement member 18 preferably exclusively during the closing operation of the drawer 53 - and movable. For this purpose, a linear guide 20 is formed on the base plate 2, which on guide portions z. B. is tuned on one side of the ejector 5.

An effected by the ejector unit 1 opening operation of the drawer 53 takes place exclusively on a direct operative connection of the energy accumulator 3 via the movement in the direction of P2 moving member 18 on the ejector 5. For this purpose, a stop member 26 is formed on the movement element 18, which is advantageously designed elastically and thus prevents a user disturbing noise when hitting the movement member 18 on the ejector 5 in the opening operation of the drawer 53 or at least dampens ( FIG. 3 . 4 . 5 ).

A front gap adjusting arrangement 8, which is formed on the ejector 5, comprises a housing 45 and an adjusting screw 22 with a contact section 21. The adjusting screw 22 has an external thread which cooperates with an internal thread on the housing 45. By manually rotating an operating section 46 of the adjusting screw 22 by a user, a position of the contact section 21 of the adjusting screw 22 in the direction of P1 or P2 is adjustable depending on the direction of rotation. The adjusting screw 22 is in particular designed to be self-locking relative to the housing 45. By the position specification of the adjusting screw 22, a measure of a front gap between the drawer front 55 of the furniture body 51 closed drawer 53 and end faces of the furniture body 51 is predetermined.

The contact portion 21 of the screw 22 is in the tensioned or charged state of the energy accumulator 3 to a driver 23, which forms a stop for the contact portion 21 in corresponding operating states. The in the FIGS. 3 to 8 only indicated by dashed lines driver 23 may for example be present on a fixed rail of the guide means 52 or be attached to the furniture body 51 when the ejector unit 1 is arranged on the drawer 53.

If, however, the ejector unit 1 is arranged on the furniture carcass 51 or on a positionally fixed part of the guide means 52 of the furniture 50, the driver 23 can be present on the drawer 53 and thus movably on the furniture carcass 51.

Is starting from the basic position of the ejector unit 1 according to FIG. 3 a lock on the ejector unit 1 canceled, which FIG. 4 shows and is explained in more detail below, the tensioned or loaded energy storage 3 pulls the moving member 18 in the direction P2, which pushes the ejector 5 in the direction P2 relative to the base plate 2 via the stop member 26 and pushes.

As soon as the ejector 5 moves on the base plate 2 in the direction P2, a pawl component 24 of the ejector unit 1, which is mounted pivotably on the ejector 5, becomes a swiveled-in position that is completely sunk to an outer edge of the base plate 2 FIG. 4 placed in a with a nose partially over the outer edge of the base plate 2 projecting swung-out position ( FIG. 5 ), which is realized via a loop-shaped closed guide track 25 in the base plate 2 and a guide pin 24 a engaging on the pawl component 24.

To illustrate the pawl member 24 whose hidden by other components, in particular by the ejector 5 outline in the FIGS. 3 to 8 indicated by dashed lines.

In the in FIG. 5 illustrated basic state, the energy storage device 3 is in an end position of the discharge state, the energy storage device 3 can not move the ejector 5 in the direction P2.

The ejector 5 is then due to the kinetic energy of the drawer 53, which is due to the previous Auswerfbewegung, and / or moved by a manual movement of the drawer 53 in the opening direction M1 by a user in the direction P2 relative to the base plate 2. This is possible because the pawl component 24 pivoted outwards on the ejector 5 abuts on the driver 23, so that the ejector 5 reaches its end position shifted maximally far in the direction P2 on the base plate 2 in the further movement of the drawer. The pawl member 24 is fully pivoted again upon reaching the end position on the ejector 5, which is predetermined by the interaction of the guide track 25 with the guide pin 24 a engaging therein on the pawl component 24.

If the drawer 53 is moved further in the opening direction M1 after an unloading operation of the energy accumulator 3, it separates the ejector unit 1 from the driver 23 and the contact between the driver 23 and the contact portion 21 of the screw 22 is canceled ( FIG. 6 ).

From the end position described above, which occupies the ejector only briefly, the ejector 5 is urged by spring elements 33 on the base plate 2, for example by a few millimeters in the direction of P1. The spring elements 33 have compared to the coil springs 10, 11 of the energy accumulator 3, a comparatively small force. With the movement of the ejector 5 in the direction P1 by the force of the spring elements 33, a contact portion 29 of the latch member 24 in a waiting position of the ejector 5 in direct, play-free contact with a bearing pin 31 of a clamping lever 30 of the coupling device 4 is brought ( FIG. 6 ). The bearing pin 31 is arranged at a first end of the clamping lever 30 and can move along a linear guide track 27 and / or a linear guide 63, which is formed on the ejector 5, so long free, in particular within an opening operation of the drawer 53, to the pawl member 24 the bearing pin 31 and / or the clamping lever 30 in direct, play-free contact with the ejector 5 holds.

The waiting position of the ejector 5, which in FIG. 6 is shown, is also a start position of the ejector 5 for a charging of the energy storage device 3 via the coupling device. 4

The coupling device 4 comprises in addition to the clamping lever 30, a guide lever 34 and a connecting element 35. The clamping lever 30 is articulated at a second end via a bearing pin 36 on the guide lever 34. The connecting element 35 is likewise articulated on the guide lever 34 at a second end via a bearing journal 37 which is at a distance from the bearing journal 36 and at its first end via a further bearing journal 38 on the movement element 18. The guide lever 34 is movable at a first end via a bearing pin 39, in particular pivotally arranged on the base plate 2. The Bearing 39 is preferably received both on the base plate 2 and the cover member 9.

A longitudinal axis A1 of the clamping lever 30, which passes through the bearing pins 31, 36 of the clamping lever 30, has an angle α to a first longitudinal axis A2 of the guide lever 34, which runs through the bearing pins 36, 39.

A longitudinal axis A3 of the connecting element 35, which passes through the bearing pins 37, 38 of the connecting element 35, has an angle β to a second longitudinal axis A4 of the guide lever 34, which passes through the bearing pins 37, 39.

The guide lever 34 of the coupling device 4 comprises at a second end a lever attachment 40. On the lever attachment 40, a locking element 41 and a stop element 42 are formed.

The end position of the discharge state of the energy storage 3 ( FIG. 5 ) is predetermined by a stop of the stop member 42 of the guide lever 34 to a wall portion 47 on a web-like wall 48 of the base plate 2. The wall portion 47 is formed, for example, from an annular portion of a damping element. If the stop element 42 of the guide lever 34 abuts the wall section 47 after a discharge operation of the force accumulator 3, a tensile force in the direction P2 is transmitted from the movement element 18 via the connecting element 35 to the guide lever 34 due to a remaining bias of the spiral springs 10, 11. Due to the rigid design of the coupling device 4 and the abutment of the stop member 42 on the wall portion 47, the moving member 18 is prevented from further movement in the direction P2, the force storage 3 is held with the moving member 18 without play in the end position of the discharge.

In particular, the stop element 42 and / or the wall portion 47 may be designed to be elastic or damping, whereby stop noise can be reduced or prevented.

The guide lever 34 can transmit a force with a translation of the clamping lever 30 on the connecting element 35 during clamping of the energy accumulator 3 due to its configuration.

The gear ratio is formed on the one hand by the ratio of the distance of the bearing pins 39 and 36 to the distance of the bearing pins 39 and 37 on the guide lever 34, on the other hand by the combined circular and linear movement of the clamping lever 30 and / or the connecting element 35 to each other during the charging of the Force accumulator 4.

The elements of the coupling device 4 can move as follows due to their arrangement on the ejection unit 1:
The bearing pin 31 and thus the first end of the clamping lever 30 can move due to its storage in the guide track 27 exclusively parallel to a direction of movement of the ejector 5 in particular parallel to a direction of movement of the movable furniture part 53.

The bearing pin 38 and thus the first end of the connecting element 35 can move due to its storage on the carriage-like movement element 18 and thus advantageously in the guide contour 19 exclusively parallel to a direction of movement of the moving member 18 and the ejector 5, in particular parallel to the direction of movement of the movable furniture part 53 ,

The bearing pin 36 and thus the second end of the clamping lever 30 can move due to its storage at the second end of the guide lever 34 exclusively in a circular path about a center of rotation of the bearing pin 39 of the guide lever 34. The bearing pin 37 of the connecting element 35 and thus the second end of the connecting element 35 can move due to its storage in a central region of the guide lever 34 exclusively in a circular path about a center of rotation of the bearing pin 39 of the guide lever 34.

Due to the above-mentioned embodiment, the coupling device 4 can transmit a force for tensioning the energy accumulator 3 from the ejector 5 via the tension lever 30 and the guide lever 34 to the connecting element 35 and thus the energy accumulator 3, in particular the coupling device 4 suppresses the force exerted by the ejector 5 This means that when loading the force accumulator 3, a user has to apply less force to the ejector 5 than he would have to apply if he wanted to load the energy accumulator 3 without a reduction or directly the end 17 of the energy accumulator 3 in Would draw direction P1.

The beginning and the end of the charging of the energy accumulator 3 and the coil springs 10 and 11 are in the FIGS. 6 and 7 illustrated.

The tensioning of the energy accumulator 3 takes place with a movement of the drawer 53 when closing or on a partial path of the closing movement of the drawer 53. The starting position of the ejector unit 1, in which it is prepared for tensioning the energy accumulator 3 and waiting for a closing operation of the drawer, shows FIG. 6 ,

If the drawer 53, for example, closed by a user from the outside, the ejector unit 1 moves towards the driver 23 in the direction of M2. For example, due to the inertia of the drawer 53 relative to the base plate 2, the ejector 5 is moved by striking the driver 23 in the direction of P1.

By the coupling of the ejector 5 via the coupling device 4 with the energy storage device 3 while the moving member 18 of the energy accumulator 3 is also displaced in the direction P1 relative to the base plate 2 and the second end 17 of the coil springs 10, 11 displaced in the direction P1 and thus the coil springs 10th 11 dragged out.

At the end of the tensioning process of the energy accumulator 3, the ejector 5 is in a loading end position, this is in FIG. 7 shown. In the clamping state of the energy accumulator 3, the ejector unit 1 is in a locked state.

In the locked state, the locking element 41 of the coupling device 4 and the locking member 7, which is configured as a flap, determine a locking state, wherein a discharge movement of the coupling device 4 is blocked by the locking member 7.

The tensioning of the force accumulator 3 is completely completed before, for example, an automatic retraction for force-assisted retraction of the drawer 53 in the fully closed closed position on the furniture body 51 is effective. The automatic retraction is not part of the ejector unit 1 and integrated, for example, in the guide means 52 or the partial or full extension.

After the tensioning of the energy accumulator 3, the ejector 5 is moved relative to the base plate 2 in the direction P1 due to the engagement on the driver 23 due to the further closing movement of the drawer 53. Here, the operative connection between the pawl member 24 of the ejector 5 and the bearing pin 31 of the clamping lever 30 is released. This is done by an interaction of the guide track 25 with the guide pin 24a on the pawl member 24, wherein the pawl member 24 is pivoted away by the guide of the guide pin 24a in the guide track 25 from the bearing pin 31 ( FIG. 8 ). In this state, the ejector 5 of the coupling device 4th decoupled and so far moved in the direction P1, in particular by a automatic feed until the drawer 53 is completely closed on the furniture body 51 and the ejector 5 on the trigger 6 in the normal position according to FIG. 3 pending.

In the basic position of the ejector unit 1 according to FIG. 3 it is possible for a user to manually pull the drawer 53 in the opening direction M1 without an ejector function or without previously canceling the locking state. In this case, the energy storage 3 of the ejector unit 1 remains unactuated or charged.

In order to eject the drawer 35 with the ejector unit 1 from the position completely pushed in or closed on the furniture body 51, a user must press the outside in the direction of the drawer. For this purpose, the ejector unit 1 has a so-called touch-latch functionality which knows a locked state which can be unlocked by moving the inserted drawer 53 closed on the furniture body 51 in the closing direction M2. This closing movement or the inward pushing of the drawer 53 in the direction of M2 takes place until reaching a stop position corresponding to a front gap, which in the closed state of the drawer 53 in particular by a distance between an inside of the drawer front 55 and a front end or the side walls 56 of the furniture body 51 is predetermined. The front gap is usually a few millimeters, for example, about 1 to 10 millimeters.

Accordingly, the unlocking of the ejector unit 1 is tuned such that a closing movement of the drawer 53 in the direction of M2 of a few millimeters or at most by the amount of the front gap is sufficient to specify the unlocking and thus the power assisted ejection of the drawer 53 safe.

Starting from the basic position according to FIG. 3 the ejector unit 1 is moved with the drawer 53 in the direction M2. Since the set screw 22 is present on the driver 23, the ejector 5 is moved relative to the base plate 2 in the direction P1, whereby a contact portion 44 presses on the ejector 5 against the trigger 6 and pushes it in the direction P1 accordingly. The trigger 6 is limited linearly in the direction of P1 and P2 slidably provided on the base plate 2, usually by a few millimeters or less than the dimension of the front gap.

The trigger 6 is preferably coupled directly to the locking member 7, which is designed as a flap 43, such that the linear release movement of the trigger 6 in the direction P1, the flap 43 in a rotational movement about a pivot axis D is added. For rotation or pivoting of the flap 43, this has on the underside a line-shaped elevation, which is convexly bent outward or projecting downwards, which lies suitably in a correspondingly complementary concave-shaped or recessed straight groove in the base plate 2.

By the rotational movement, the flap 43 is released from a locking position, in which the flap 43 is urged by a trained as a leaf spring 49 spring member. In the locked state of the ejector unit 1, the flap 43, which is in the locking position, blocks the guide lever 34 or the lever cap 40 such that the energy accumulator 3 remains in its charged state.

With the rotational movement of the flap 43 in the direction to cancel the lock, the blockage of the guide lever 34 is released. The lever cap 40 with the prestressed by a leg spring 60 locking element 41 come when moving past the flap 43 in such a way that the locking element 41 is pressed against the spring force of the leg spring 60 on the lever cap inside.

The protruding on the lever cap 40 locking element 41 moves with the pivoting operation of the guide lever 34 below the flap 43 past this and leads from the Trigger 6 initiated rotational movement of the flap 43 about the pivot axis D without interruption on. As a result, a rotational angle of the flap 43 is advantageously increased from the locking position. By the movement of the lever cap 40 under the flap 43 over and continued by the swinging out locking element 41, the ejector unit 1 is unlocked safely. For this purpose, a comparatively very small linear release movement of the trigger 6 in the direction P1 is advantageously necessary. By the leaf spring 49, the cap 43 is then pushed back into its locked position.

When tensioning the energy accumulator 3 comes that, swung out on the lever cap 40, existing locking element 41 again in abutment with a front edge of the flap 43. The locking element 41 deviates against the spring force of the leg spring 60 back so that it so far on an edge of the lever cap 40th sunk that the guide lever 34 can pivot past the flap 43 with the lever cap 40.

Behind the flap 43, the locking element 41 is swung out again by the spring force of the leg spring 60. After the clamping operation, the guide lever 34 is pressed with the protruding locking element 41 against the locking spring 43 held by the leaf spring 49, whereby the energy accumulator 3 is in the locked state.

The rotational movement of the flap 43 of the ejector unit 1 or the device 58 is transmitted via a synchronous rod 61, which is arranged non-rotatably on the flap 43, on a second advantageous equivalent device 62, which is arranged on the drawer 53.

Advantageously, the synchronizing rod 61 connects the locking member 7 with a second locking member provided on the second device 62. The two locking members are thus motion-coupled directly and / or synchronously. This is a contrarian Synchronization principle for a connection between triggering elements of two ejector devices on a furniture part.

FIG. 10 shows in perspective the trigger 6 in a waiting position and designed as a flap 43 locking member 7 in a locking position. This condition arises after the drawer 53 is closed FIG. 3 on. The two pivoting directions of the flap 43 about the axis of rotation D are in P3 and in the opposite direction of rotation P4 in FIG. 10 indicated. The trigger 6 is guided laterally and with a flat bottom 75 supported on the base plate 2. By in the FIGS. 10 and 11 not shown leaf spring 49 acts a force F1 on the flap 43 to provide a torque about the axis of rotation D, which urges the flap 43 in the direction of P3 or brings in the trigger 6 pending pivot position. The trigger 6 is also under the action of a spring 74 (s. FIG. 2 ) in the waiting position.

Designed as a two-armed lever flap 43 includes a central portion 64 with a tongue 67 and a wing-like extension 77 and a stop surface formed thereon 76. At the middle portion 64 closes on a side facing away from the shutter 6 a clip-like receptacle 65 for releasably inserting one end of the Synchronous rod 61 (s. FIG. 2 ) on. The longitudinal axis of the synchronous rod 61 coincides with the axis of rotation D. At the middle portion 64 is on a side in the direction of P1 from the flat tongue 67 from which presses the leaf spring 49 with the force F1 from below. The leaf spring 49 and the tongue 67 belong to holding means which automatically urge the flap 43 in the direction of P3 or the locking position if no larger counter-torque acts on the flap 43 in the direction P4.

On the opposite side of the receiving portion 65 of the central portion 64, a transmission portion 66 is present. The transmission section 66 is here with a configured curved top and engages with its free end, the side slightly protrudes beyond a recess 70 of the trigger 6, acting in a counter bearing on the base plate. 2

For transmitting motion from the trigger 6, which is moved linearly in the direction P1, to the flap 43 during a triggering operation for unlocking the locking state, transmission means are provided. The transmission means have a first transmission section on the trigger 6, which comprises an inclined surface 68. Another oblique surface 69 of the transmission means, which interacts with the inclined surface 68 in a planar manner, is configured on a partial region of a lower side of the transmission section 66. The adjoining inclined surfaces 68 and 69 form transmission means for transmitting movement and are inclined to the longitudinal or movement direction of the trigger 6 in the present example, approximately by 45 degrees. The respective width L3 of the inclined surfaces 68 and 69 (s. FIG. 11 ) is, for example, about 1 millimeter and has an extent transverse thereto of z. B. about 6 millimeters, which corresponds to the width of the trigger 6 in the region of the recess 70 in the direction of the pivot axis D, whereby a very compact design is realized.

The inclined surface 68 on the trigger 6 is part of a ramp-shaped shoulder, which is formed on the bottom side in the recess 70 of the trigger 6. The recess 70 is formed as a lateral or in the direction of the axis of rotation D continuous material-free opening, which extends over about half the length of the trigger 6. The height of the recess 70 is adjusted so that the transfer section 66 passes through therein or the part of the transfer section 66 with the inclined surface 69 is accommodated in a suitable manner.

The inclined surface 68 connects a lower bottom surface 71 in the recess 70 with an upper bottom surface 72 which is raised to the bottom surface 71. The width of the inclined surface 68 corresponds to the width of the recess 70.

The inclined surface 69 on the transmission portion 66 of the flap 43 is formed on a base projecting toward a half-round outside of the transmission portion 66.

In addition, the in the FIGS. 10 and 11 not shown spring 74 housed in a spring retainer 73 on the trigger 6, which holds the shutter biased in the waiting position. If the drawer 53 is pressed in the direction of M2 during a triggering operation, the trigger 6 is pressed by the pusher 23 pending ejector 5 in the direction of P1.

The linear displacement movement of the trigger 6 from the waiting position in the direction P1 by the distance s of in particular a few millimeters is sufficient that the inclined surface 68 is moved past the trigger 6 under the inclined surface 69 at the transfer section 66 that the flap 43 in the direction P4 and against the force F1 of the leaf spring 49 is pivoted by a few degrees in the direction P4. With the pivoting of the flap 43 about the axis of rotation D in the direction P4 a pivoting angle of, for example, about 10 degrees is swept over. This comparatively small pivoting path is sufficient to cancel the locking of the clamping state of the energy accumulator 3 as described above. In this case, the vertically or transversely to the pivoting direction of the guide lever 34 aligned stop surface 76 is moved past the blocking element 41 blocking it upwards. Thus, the blocking effect of the stop surface 76 is released and the lever cap 40 with the locking member 41 pivot under the extension 77 and below the flap 43 over. With the triggering operation, the extension 77 is moved so far upwards by the pivoting of the flap 43 in the direction P4 that the locking element 41 is released or can enter its prestressed ejector pivoting direction and is no longer blocked by the stop surface 76.

When the lever cap 40 is moved past the extension 77, under the action of the force F1, the flap 43 returns to the state according to pivoting in the direction P3 FIGS. 10 and 11 , So in a position in which the flap 43 acts locking.

The trigger 6 comes by the restoring force of the spring 74 back to its original position by moving in the direction of P2. LIST OF REFERENCE NUMBERS 1 ejector 35 connecting element 2 baseplate 36 pivot 3 power storage 37 pivot 4 coupling device 38 pivot 5 ejector 39 pivot 6 trigger 40 Lifting run rate 7 locking member 41 locking element 8th Front gap setting arrangement 42 stop element 43 flap 9 cover member 44 Contact section 10 spiral spring 45 casing 11 spiral spring 46 operating section 12 The End 47 wall section 13 fixed bearing 48 wall 14 bearing part 49 leaf spring 15 adjusting part 50 Furniture 16 operating section 51 furniture body 17 The End 52 guide means 18 mover 53 drawer 19 guide contour 54 drawer base 20 linear guide 55 drawer front 21 Contact section 56 Side wall 22 screw 57 Drawer rear wall 23 takeaway 58 device 24 latch member 59 Body side wall 24a spigot 60 Leg spring 25 guideway 61 synchronous rod 26 stop element 62 device 27 guideway 63 linear guide 28 - 64 midsection 29 contact section 65 admission 30 clamping lever 66 transmission section 31 pivot 67 tongue 32 holding member 68 sloping surface 33 spring element 69 sloping surface 34 guide lever 70 recess 71 floor area 75 bottom 72 floor area 76 stop surface 73 spring mount 77 extension 74 feather

Claims (8)

1. Device (1) for moving a movable furniture part (53) in an opening direction of the furniture part (53) in relation to a basic furniture structure (51) of an item of furniture (50), wherein the movable furniture part (53) by means of guide means (52) can be moved in the opening direction and in a closing direction which is counter to the opening direction, wherein the device (1) comprises a force accumulator (3) such that by means of the fitted device (1) the movable furniture part (53) from the action of the force accumulator (3) can be moved in the opening direction of the movable furniture part (53), and wherein the device (1) has a locking assembly for locking a tensioned position of the force accumulator (3), in which the force accumulator (3) is charged for the opening movement of the furniture part (53), wherein the tensioned position of the force accumulator (3) can be unlocked by displacing an activator element (6) of the device (1) interacting with the locking assembly, wherein a pivotably mounted locking member (7) of the locking assembly is provided, wherein the activator element (6) has a side recess in which a pivot axis of the locking member engages, wherein the activator element (6) and the locking member (7) are mutually adapted in such a manner that for unlocking the tensioned position of the force accumulator (3) the activator element (6) carries out a linear repositioning movement and comes to bear on the locking member (7) in such a manner that the locking member (7) is subjected to a pivoting movement, or vice versa, wherein the activator element (6) and an ejector part (5) of the device (1) mounted repositionably on the device (1), can be coupled with one another in such a manner that in the coupled state the linear repositioning movement of the activator element (6) is performed by a repositioning movement of the ejector part (5) in an activation direction, wherein the activator element (6) and the ejector part (5) are separate components, wherein holding means are provided, which force the locking member (7) automatically in the direction of a locking pivot position of the locking member (7), wherein the holding means comprise a spring element, wherein by means of the spring force of the spring element the locking member (7) is forced permanently into the locking pivot position, if no larger resulting force acts counter thereto.
2. Device according to claim 1, characterised in that the activator element (6) is adapted in such a manner that the linear repositioning movement of the activator element (6) in relation to a mounted state of the device (1) is performed by a movement of the movable furniture part (53) in the closing direction from a closed state of the furniture part (53) that is predefined on the basic furniture structure (51).
3. Device according to any of the preceding claims, characterised in that the locking member (7) and a force-accumulator mount (18) on which the force accumulator (3) is mounted are provided spaced apart from one another, wherein direct bearing contact between the locking member (7) and the force-accumulator mount (18) is excluded.
4. Device according to any of the preceding claims, characterised in that transmission means having a first transmission section on the activator element (6) and a second transmission section on the locking member (7) are provided, wherein the two transmission sections bear on one another in order for the tensioned position of the force accumulator (3) to be unlocked.
5. Device according to the preceding claim 4, characterised in that the first transmission section and/or the second transmission section in relation to the direction of the linear repositioning movement of the activator element (6) have an obliquely aligned surface section (68, 69).
6. Device according to any of the preceding claims, characterised in that the activator element (6) is mounted so as to be sprung.
7. Device according to any of the preceding claims, characterised in that the locking member (7) in a locked tensioned position of the force accumulator (3) forms a stop for a counter section (41), which is coupled to the force accumulator (3), wherein the counter section (41) in the locked tensioned position of the force accumulator (3) bears on the locking member (7) in such a manner that a movement of the counter section (41) is blocked in the direction in which the counter section (41) moves after the tensioned position of the force accumulator (3) has been unlocked.
8. Item of furniture (50) having a basic furniture structure (51) and a movable furniture part (53), which by means of guide means (52) is capable of being set in an opening direction of the furniture part (53) and in a closing direction which is counter to the opening direction relative to the basic furniture structure (51), wherein a device (1) is provided according to any of the preceding claims.

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