DE102012201204B4 - Locking system for a table tennis table - Google Patents

Abstract

Locking system for a table tennis table (1) with two plate halves (1.1, 1.2), which can be pivoted between a playing position and a transport position, whereby a locking of the plate halves (1.1, 1.2) in the playing position and in the transport position can be unlocked by means of a release device (5) The release device (5) has at least two release elements (5.1, 5.2) coupled to one another, a first release element (5.1) being arranged on a first plate half (1.1) and a second release element (5.2) on a second plate half (1.2) , characterized in that the first release element (5.1) is coupled to a first locking element (4.1) for the first plate half (1.1) and the second release element (5.2) is coupled to a second locking element (4.2) for the second plate half (1.2), - The locking elements (4.1, 4.2) each have two hooks (4.1.1.2, 4.1.2.2, 4.2.1.2, 4.2.1.3) , - a second hook (4.1.2.2) of the first locking element (4.1) engages in a first hook (4.2.1.2) of the second locking element (4.2) when the plate halves (1.1, 1.2) are locked in the play position, and - wherein a first hook (4.1.1.2) of the first locking element (4.1) and a second hook (4.2.1.3) of the second locking element (4.2) each engage in an opening (3.1.3.1) arranged on a base frame (3) when the Plate halves (1.1, 1.2) are locked in the transport position and - that the locking elements (4.1, 4.2) each consist of a bolt (4.1.1, 4.2.1), a housing (4.1.2, 4.2.2) and a pin ( 4.1.3, 4.2.3) are formed, - with the bolts (4.1.1, 4.2.1) being movable between a locked position and an unlocked position, - with each bolt (4.1.1, 4.2.1) on its , the edge facing the respective corresponding pin (4.1.3, 4.2.3) has a curved recess (4.1.1.3, 4.2 .1.4), which rests spring-supported on the pin (4.1.3, 4.2.3) and - each bolt (4.1.1, 4.2.1) is rotatably mounted, so that when the pin (4.1.3, 4.2. 3) a rotation of the bolt (4.1.1, 4.2.1) and its hook (4.1.1.2, 4.1.2.2, 4.2.1.2, 4.2.1.3) takes place, with which a release or locking takes place, - the curved recesses (4.1.1.3, 4.2.1.4) are each formed as an open triangle and - the pins (4.1.3, 4.2.3) are each arranged at an upper corner point of the open triangle when the plate halves (1.1, 1.2 ) are locked in the play position and in the transport position and - the release elements (5.1, 5.2) are each coupled to one of the pins (4.1.3, 4.2.3).

Description

The invention relates to a locking system for a table tennis table with the features of the preamble of claim 1.

Various devices for locking folding table tennis tables are known in the prior art.

To DE 81 26 201 U1 is a ping-pong table, consisting of two individually portable tabletop halves with against these flat legs, known, at least one table top half except the legs at least one attached to the ground support is attached, through which resting with an edge on the floor tabletop half in a essentially vertical or inclined position can be supported.

Furthermore, after DE 10 2006 013 361 A1 a device for pivoting the plate halves of table tennis tables from a horizontal playing position in an approximately vertical rest or transport position and vice versa with arranged under the plate halves and articulated with them pivoting levers for automatically setting up the legs when pivoting the plate halves known, one automatically effective, deactivatable locking device for fixing the pivotable plate halves is present.

Usually, two independent mechanisms for unlocking are arranged to increase the security against unintentional folding down of locked table tennis tables from their transport position.

To WO 01/89346 A1 discloses a system for opening ping-pong tables, wherein on the table tennis slidable rods are arranged, which are inserted into recesses of a frame for locking and pulled out by means of a respective cable from the recesses. At the ends of the ropes rings are arranged, where is pulled to unlock.

• – die Betätigungseinrichtung mit mindestens einer zwischen Tischtennisplatte und Betätigungseinrichtung angeordneten Feder in die Sicherungsstellung bewegt wird,
• – in der Nähe des äußeren Randes einer Tischtennisplatte Schubgelenke angeordnet sind, in denen die Betätigungseinrichtung geführt wird,
• – an der Tischtennisplatte, an der sich die Betätigungseinrichtung befindet, in der Nähe des Scharniergelenkes mindestens ein Verriegelungselement angeordnet ist, welches mit der Betätigungseinrichtung gekoppelt ist,
• – an der anderen Tischtennisplatte zwei mit Haken versehene Verriegelungselemente so angeordnet sind, dass ein erster Haken des Verriegelungselementes in der Spielstellung in einen Haken eines zweiten Verriegelungselementes eingreift,
• – ein mit dem Verriegelungselement gekoppeltes Sicherungsteil im hochgeklapptem Zustand der Tischtennisplatten in eine am Fahrgestell angebrachte Öffnung eingreift.

Furthermore, from the DE 103 32 394 B4 a locking system for two game halves of a table tennis game known, each game half has a table tennis table which is pivotally mounted on a mobile frame, with the table tennis table a retractable leg is hinged, the two ping pong tables are connected to a hinge joint and the lock via an actuator releasably is. It is envisaged that

• The actuating device is moved into the securing position with at least one spring arranged between table tennis table and actuating device,
• - In the vicinity of the outer edge of a table tennis pushers are arranged, in which the actuating device is guided,
• At least one locking element, which is coupled to the actuating device, is arranged on the table tennis table on which the actuating device is located, in the vicinity of the hinge joint,
• On the other table tennis table two locking elements provided with hooks are arranged so that a first hook of the locking element engages in the play position in a hook of a second locking element,
• - A coupled with the locking element securing part engages in the folded state of the table tennis tables in a mounted on the chassis opening.

Furthermore, the describes DE 10 2009 054 497 A1 a table tennis table having a first and a second plate half, which are pivotable between a folded-down game position and a folded-up transport position. Furthermore, the table tennis table comprises a frame which is in communication with the plate halves for supporting it against a floor, and a locking system for locking the plate halves in their play position and transport position. The locking system comprises a first locking device for locking the plate halves in their transport position and a second locking device for locking the plate halves in their game position. Furthermore, an actuatable release system is provided for releasing the locked plate halves, which in the transport position of the plate halves with the first locking means for releasing the locked, in the transport position located plate halves in action Connected, and is in the game position of the plate halves with the second locking means for releasing the locked, in the game position located plate halves in operative connection.

The invention has for its object to provide a comparison with the prior art improved locking system of the type mentioned above, which makes it possible to unlock the table tennis table safer and in a simpler way and to lock.

According to the invention the object is achieved with a locking system, which contains the features specified in claim 1.

Advantageous embodiments are specified in the subclaims.

In a locking system for a table tennis table with two plate halves, which are pivotable between a playing position and a transport position, a locking of the plate halves in the playing position and in the transport position by means of a release device is unlocked. It is provided that the release device has at least two mutually coupled release elements, wherein a first release element is disposed on a first plate half and a second release element on a second plate half.

According to the invention, the first release element is coupled with a first locking element for the first plate half and the second release element with a second locking element for the second plate half, wherein the locking elements each have two hooks, wherein a second hook of the first locking element engages in a first hook of the second locking element when the plate halves are locked in the playing position, and wherein a first hook of the first locking element and a second hook of the second locking element respectively engage in an opening arranged on a base frame when the plate halves are locked in the transport position.

By means of the locking system according to the invention a release of an automatically acting locking the plate halves from both sides is possible in a particularly advantageous manner, both when the plate halves are locked in the playing position as well as in the transport position.

Furthermore, the invention provides that the locking elements are each formed from a bolt, a housing and a pin, wherein the latch between a locked position and an unlocked position are movable. In this case, the first hook of the first locking element are arranged on a first latch, the second hook of the first locking element on a first housing, and the first and second hook of the second locking element on a second latch. Furthermore, the pins are slidably disposed in arranged on the housings guide slots.

Each bar has at its, the respective corresponding pin facing edge a curved recess which bears spring-supported on the pin, each bar is rotatably mounted, so that upon longitudinal displacement of the pin rotation of the bolt and its hook takes place, with which a release or a lock occurs. This is a simple, mechanical way, a release or locking the plate halves possible. By means of the spring support, the locking of the plate halves is done automatically.

The curved recesses are each formed as an open triangle, wherein the pins are arranged at an upper corner point of the open triangle, when the plate halves are locked in the play position and in the transport position. By means of the triangular shape of the curved recess, the release or locking of the plate halves by means of a simple cam mechanism is thus possible.

To release the locked plate halves, the release elements are each coupled to one of the pins. Thus, the release device is expediently in active connection with the locking elements.

In a preferred embodiment of the invention, the release elements are coupled to each other by means of a force transmission element, wherein a tensile force acting by actuation of one of the release elements is transferable to the other of the release elements, so that upon actuation of one of the release elements, the other of the release elements is mitbewegbar. The power transmission element is preferably designed as a bottom pull.

In a particularly preferred embodiment of the invention, the release elements are each formed from an actuating rod with a handle. Thus, the release elements are each operable with only one hand, preferably by hand, which touches the corresponding plate half for pivoting in the other position.

Furthermore, in each case at least one compression spring is arranged between the actuating rods and the corresponding plate halves. The compression springs allow automatic movement of the actuating rods in their starting position when no more pulling force acts on them. In the initial position of the actuating rods, the latches of the locking elements are in the locked position, so that the plate halves are securely locked in the corresponding position.

Embodiments of the invention are explained in more detail below with reference to drawings.

Show:

1 1 is a perspective view of a table tennis table with two plate halves in a play position with a locking system in a semitransparent representation,

2A schematically a side view of the table tennis table in play position, wherein the plate halves are locked,

2 B schematically a side view of the table tennis table in play position, the plate halves are unlocked and a release device is actuated from a left side of the table tennis table,

2C schematically a side view of the table tennis table in game position, the plate halves are unlocked and the release device is actuated from a right side of the table tennis table,

3A schematically a side view of the table tennis table in transport position, wherein the plate halves are locked,

3B schematically a side view of the table tennis table in transport position, the plate halves are unlocked and the release device is actuated from the left side of the table tennis table,

3C schematically a side view of the table tennis table in transport position, wherein the plate halves are unlocked and the release device is actuated from the right side of the table tennis table.

Corresponding parts are provided in all figures with the same reference numerals.

1 shows a table tennis table 1 in a horizontal end position for playing (= game position) which two plate halves 1.1 . 1.2 that with three hinges 2 connected and to an associated base 3 are arranged pivotally. The plate halves 1.1 . 1 . 2 are between the playing position and one in the 3A to 3C shown vertical storage and / or transport position (= transport position) pivotable and automatically lockable by means of a locking system in the game position and in the transport position. Ie. the plate halves 1.1 . 1.2 be automatically secured by means of the locking system against pivoting in play position and in transport position. For this purpose, the locking system comprises a locking device 4 , To release the secured disk halves 1.1 . 1.2 is a release device 5 provided, which with the locking device 4 is coupled.

The plate halves 1.1 . 1.2 each have a top 1.1.1 . 1.2.1 and a bottom 1.1.2 . 1.2.2 on. In the in 1 shown playing position are the tops 1.1.1 . 1.2.1 the plate halves 1.1 . 1.2 arranged in a common horizontal plane. In the transport position are the tops 1.1.1 . 1.2.1 the plate halves 1.1 . 1.2 facing each other and the undersides 1.1.2 . 1.2.2 the plate halves 1.1 . 1.2 turned away from each other.

Furthermore, the plate halves include 1.1 . 1.2 two oppositely arranged lateral edge regions 1.1.3 . 1.2.3 and two opposing frontal edge areas 1.1.4.1 . 1.1.4.2 . 1.2.4.1 . 1.2.4.2 ,

The plate halves 1.1 . 1.2 are by means of the swivel joints 2 coupled together such that upon pivoting of one of the plate halves 1.1 . 1.2 automatically the other of the plate halves 1.1 . 1.2 is pivoted. To do this, connect the swivel joints 2 the plate halves 1.1 . 1.2 on an inner front edge area 1.1.4.2 . 1.2.4.2 ,

At the bottoms 1.1.2 . 1.2.2 the plate halves 1.1 . 1.2 is the undercarriage 3 stored, which consists of two coupled, almost identically shaped base frame parts 3.1 is formed.

The underframe parts 3.1 each include two support legs 3.1.1 with rotatably mounted rollers 3.1.2 , each with two support legs 3.1.1 a base part 3.1 by means of a first cross-beam 3.1.3 connected to a couple. By means of the rollers 3.1.2 is preferably a movement of the table tennis table 1 possible in the transport position without having to raise it.

Furthermore, each base part comprises 3.1 two folding legs 3.1.4 , which compared to the support legs 3.1.1 closer to an outer end edge region 1.1.4.1 . 1.2.4.1 the corresponding plate half 1.1 . 1.2 are arranged. The folding legs 3.1.4 are pivotally mounted about a horizontal axis and a second cross-beam 3.1.5 rigidly connected.

Every foldable leg 3.1.4 is doing with a neighboring support leg 3.1.1 by means of a third crossbeam 3.1.6 articulated coupled. When swinging the plate halves 1.1 . 1.2 from the playing position to the transport position are the folding legs 3.1.4 collapsed (not shown).

In addition, the underframe parts 3.1 by means of two fourth crossbars 3.1.7 , hinged together, with a fourth cross-beam 3.1.7 two adjacent support legs 3.1.1 connects with each other. The fourth crossbars 3.1.7 are made two connected by a hinge interconnected struts, so that the support legs 3.1.1 when pivoting the plate halves 1.1 . 1.2 from the game position in the transport position approach each other.

To lock the plate halves 1.1 . 1.2 in the playing position and in the transport position is the already mentioned locking system with the locking device 4 provided, which in the present embodiment of the 1 is shown semitransparent.

The locking device 4 is at the bottom 1.1.2 . 1.2.2 the plate halves 1.1 . 1.2 on the inner front edge area 1.1.4.2 . 1.2.4.2 arranged and made of locking elements 4.1 . 4.2 formed, wherein a first locking element 4.1 on the bottom 1.1.2 a first half of the plate 1.1 and a second locking element 4.2 on the bottom 1.2.2 a second plate half 1.2 is arranged.

The first locking element 4.1 is from a first bar 4.1.1 , a first housing 4.1.2 and a first pin 4.1.3 educated.

The first bar 4.1.1 is pivotable between a locked position and an unlocked position and formed as a plate-shaped element, which in the locked position substantially parallel to the bottom 1.1.2 the first half of the plate 1.1 runs. For pivotable storage is the first bar 4.1.1 via a first fastening element 4.1.1.1 , z. B. a screw on the first housing 4.1.2 fastened, wherein the first fastening element 4.1.1.1 a pivot axis for the first latch 4.1.1 pretends. The first fastening element 4.1.1.1 is at a first end of the first latch 4.1.1 arranged, which is the inner edge area 1.1.4.2 the first half of the plate 1.1 is facing.

Furthermore, at the first bar 4.1.1 at a first end a first hook 4.1.1.2 of the first locking element 4.1 arranged, which is substantially perpendicular to a second end of the first bolt 4.1.1 runs. Ie. the first hook 4.1.1.2 runs in the locked position of the first bolt 4.1.1 essentially perpendicular to the bottom 1.1.2 towards one of the bottom 1.1.2 opposite direction. A hook tip of the first hook 4.1.1.2 is the inner front edge area 1.1.4.2 arranged facing.

Furthermore, the first bar 4.1.1 at its open edge between the first and second end, a first curved recess 4.1.1.3 on, which is approximately triangular in the illustrated embodiment.

The first curved recess 4.1.1.3 is spring-supported on the first pin 4.1.3 on, wherein the spring support by means of a first compression spring 4.1.4 he follows. In this case, a first end of the first compression spring 4.1.4 at the open edge of the first bolt 4.1.1 near the second end and a second end of the first compression spring 4.1.4 on the bottom 1.1.2 the first half of the plate 1.1 arranged. For arrangement of the first end of the first compression spring 4.1.4 at the open edge of the first bolt 4.1.1 this has a correspondingly shaped material protuberance (not shown).

The first compression spring 4.1.4 is in the present embodiment of the 2A to 3C designed as a cylindrical coil spring.

The first pin 4.1.3 is in one in the first housing 4.1.2 arranged first guide slot 4.1.2.1 slidably arranged. The guide slot 4.1.2.1 is elongated parallel to the bottom 1.1.2 aligned and has a length which substantially with a length of the first curved recess 4.1.1.3 corresponds.

The first case 4.1.2 is formed as a nearly plate-shaped element, which in the direction of the lateral edge region 1.1.3 next to the first bar 4.1.1 and thus in its longitudinal orientation parallel to the longitudinal orientation of the first bolt 4.1.1 runs. The dimensions of the first housing 4.1.2 are dimensioned such that it is the first bar 4.1.1 at least in viewing direction from a lateral edge area 1.1.3 out (as in the 2A to 2C shown) such that only the hook portion 4.1.1.2 is visible.

At one the inner edge area 1.1.4.2 the first half of the plate 1.1 facing the end of the first housing 4.1.2 is a second catch 4.1.2.2 of the first locking element 4.1 arranged, with the second hook 4.1.2.2 parallel to the bottom 1.1.2 the first half of the plate 1.1 regardless of the position in which the first bar 4.1.1 located. A hook tip of the second hook 4.1.2.2 is the bottom 1.1.2 the first half of the plate 1.1 away.

The second locking element 4.2 is partially identical to the first locking element 4.1 educated.

The second locking element 4.1 is from a second bar 4.2.1 , a second housing 4.2.2 and a second pin 4.2.3 educated.

The second bar 4.2.1 is also between a locked position and a unlocked position pivotally and formed as a plate-shaped element, which in the locked position substantially parallel to the bottom 1.2.2 the second half of the plate 1.2 runs. For pivotable storage is the second bar 4.2.1 via a second fastening element 4.2.1.1 , z. B. a screw on the second housing 4.2.2 fastened, wherein the second fastening element 4.2.1.1 a pivot axis for the second latch 4.2.1 pretends. The second fastening element 4.2.1.1 is at a first end of the second latch 4.2.1 arranged, which is the inner edge area 1.2.4.2 the second half of the plate 1.2 is facing.

Furthermore, at a first end of the second latch 4.2.1 a first hook 4.2.1.2 of the second locking element 4.1 arranged, which parallel to the bottom 1.2.2 the second half of the plate 1.1 runs when the second bolt 4.2.1 in the locked position. A hook tip of the first hook 4.2.1.2 is the bottom 1.2.2 the second half of the plate 1.2 facing.

In addition, between the first end and a second end of the second bolt 4.2.1 a second hook 4.2.1.3 of the second locking element 4.2 arranged, which is substantially perpendicular to the first hook 4.2.1.2 runs. Ie. the second hook 4.2.1.3 runs in the locked position of the second bolt 4.2.1 essentially perpendicular to the bottom 1.2.2 towards one of the bottom 1.2.2 opposite direction of the second plate half 1.2 , A hook tip of the second hook 4.2.1.3 is the inner front edge area 1.2.4.2 arranged facing.

In addition, the second latch points 4.2.1 at its open edge between the first and second end, a second curved recess 4.2.1.4 on, which is approximately triangular in the present embodiment.

The second curved recess 4.2.1.4 is spring-supported on the second pin 4.2.3 on, wherein the spring support by means of a second compression spring 4.2.4 he follows. In this case, a first end of the second compression spring 4.2.4 at the open edge of the second bolt 4.2.1 near its second end and a second end of the second compression spring 4.2.4 on the bottom 1.2.2 the second half of the plate 1.2 arranged. For arrangement of the first end of the second compression spring 4.2.4 at the open edge of the second bolt 4.2.1 this also has a correspondingly shaped material protuberance (not shown).

The second compression spring 4.2.4 is equivalent to the first compression spring 4.1.4 educated.

The second pin 4.2.3 is in one in the second housing 4.2.2 arranged second guide slot 4.2.2.1 slidably arranged. The second guide slot 4.2.2.1 is elongated parallel to the bottom 1.2.2 aligned and has a length which is substantially equal to a length of the second curved recess 4.2.1.4 corresponds.

The second housing 4.2.2 is formed as a nearly plate-shaped element, which in the direction of the lateral edge region 1.2.3 next to the second bar 4.2.1 and thus in its longitudinal direction parallel to the longitudinal orientation of the second bolt 4.2.1 runs. The dimensions of the second housing 4.2.2 are dimensioned such that it is the second bar 4.2.1 at least in viewing direction from a lateral edge area 1.2.3 out (as in the 2A to 2C shown) so concealed that only the second hook 4.2.1.3 is visible.

To pan the bars 4.1.1 . 4.2.1 from the locked position to the unlocked position are the locking elements 4.1 . 4.2 with the release device 5 coupled.

In this case, the first locking element 4.1 with a first release element 5.1 and the second locking element 4.2 with a second release element 5.2 coupled.

In the present embodiment, the release elements 5.1 . 5.2 each as an actuating rod 5.1.1 . 5.2.1 with a front side in the direction of the outer front edge region 1.1.4.1 . 1.2.4.1 the plate halves 1.1 . 1.2 arranged handle 5.1.2 . 5.2.2 educated. The handles 5.1.2 . 5.2.2 are each from the corresponding outer front edge area 1.1.4.1 . 1.2.4.1 easy to reach with one hand of a user. The actuating rods 5.1.1 . 5.2.1 are preferably formed of a metal or a corresponding metal alloy. The handles 5.1.2 . 5.2.2 are particularly preferably each formed as an ergonomically shaped plastic handle, which is easily accessible with one hand.

To fold down the actuating rods 5.1.1 . 5.2.1 To prevent is near the handles 5.1.2 . 5.2.2 one longitudinal guide each 5.1.3 . 5.2.3 on the bottom 1.1.2 . 1.2.2 the corresponding plate half 1.1 . 1.2 arranged in which the actuating rod 5.1.1 . 5.2.1 is guided.

At one of the inner front edge area 1.1.4.2 . 1.2.4.2 the plate halves 1.1 . 1.2 facing end of the actuating rods 5.1.1 . 5.2.1 is the first or second pin 4.1.3 . 4.2.3 arranged. The cones 4.1.3 . 4.2.3 are preferably integral with the actuating rods 5.1.1 . 5.2.1 formed. This is the release elements 5.1 . 5.2 in effective communication with the locking elements 4.1 . 4.2 ,

To release the plate halves 1.1 . 1.2 from both sides of the table tennis table 1 to enable, are the actuating rods 5.1.1 . 5.2.1 via a power transmission element 6 coupled together.

The power transmission element 6 serves the power transmission between the release elements 5.1 . 5.2 and is formed in the present embodiment as a Bowden cable, which is formed of a steel wire or wire rope, which is arranged in a flexible, but pressure-tight shell in the pulling direction. For this purpose, the steel wire or wire rope at one end with the first actuating rod 5.1.1 and at another end with the second operating rod 5.2.1 connected, wherein the sheath at a first end to the underside 1.1.2 the first half of the plate 1.1 and at a second end with the bottom 1.2.2 the second half of the plate 1.2 connected is.

In addition, for every operating rod 5.1.1 . 5.2.1 a compression spring 5.1.4 . 5.2.4 provided, which is preferably in each case in a further longitudinal guide of the actuating rod (not shown), wherein the further longitudinal guides on the corresponding underside 1.1.2 . 1.2.2 the plate halves 1.1 . 1.2 are firmly connected to each of these.

The compression springs 5.1.4 . 5.2.4 are formed in the present embodiment as cylindrical coil springs. Here are the ends of the springs 5.1.5 . 5.2.4 with the corresponding, further longitudinal guide non-positively and thus with the corresponding plate half 1.1 . 1.2 indirectly connected. This situation is only hinted at in the present embodiments.

Between the frictionally connected ends of the respective compression springs 5.1.4 . 5.2.4 are the compression springs 5.1.4 . 5.2.4 via a connecting element (also not shown) with the corresponding actuating rod 5.1.1 . 5.2.1 coupled. Ie. the compression springs 5.1.4 . 5.2.4 are firmly connected between their ends with the connecting element, which in turn is fixed to the actuating rod 5.1.1 . 5.2.1 connected is. The connecting element is formed, for example, as a cylindrical pin and in its longitudinal direction perpendicular to the longitudinal direction of the actuating rod 5.1.1 . 5.2.1 arranged. In a preferred alternative embodiment of the invention, the compression springs 5.1.4 . 5.2.4 in the longitudinal guides already described 5.1.3 . 5.2.3 arranged.

In the following, an operation of the locking and release system will be explained in more detail.

To show the 2A to 2C the locking device 4 if the plate halves 1.1 . 1.2 are arranged in play position, so here the release of the locked plate halves 1.1 . 1.2 in game position is described in detail.

In 2A are the bars 4.1.1 . 4.2.1 the locking elements 4.1 . 4.2 shown in the locked position. Here are the plate halves 1.1 . 1.2 arranged in a common horizontal plane so that the bars 4.1.1 . 4.2.1 are arranged such that the second hook 4.1.2.2 of the first locking element 4.1 in the first hook 4.2.1.2 of the second locking element 4.2 intervenes. Furthermore, the first hook 4.1.1.2 of the first locking element 4.1 and the second hook 4.2.1.3 of the second locking element 4.2 spaced apart from each other, so that their longitudinal alignment is parallel to each other and the hook tips are facing each other.

The bars 4.1.1 . 4.2.1 are so on the pin 4.1.3 . 4.2.3 stored, that these each at a vertex of the open triangle of the curved recesses 4.1.1.3 . 4.2.1.4 issue. In the guide slots 4.1.2.1 . 4.2.2.1 are the cones 4.1.3 . 4.2.3 largely arranged in the middle.

The plate halves 1.1 . 1.2 are thus effectively secured in play position against pivoting.

To the locked plate halves 1.1 . 1.2 to give free, must be one of the operating rods 5.1.1 . 5.2.1 in the direction of the outer front edge area 1.1.4.1 . 1.2.4.1 by pulling the handle 5.1.2 . 5.2.2 to be moved in the 2 B and 2C is shown. Being in 2 B a first move 5.1.2 and in 2C a second handgrip 5.2.2 is pressed (each represented by an arrow).

Will be the first handle 5.1.2 actuated, a tensile force acts on this in the arrow direction shown. This tensile force is applied to the first actuating rod 5.1.1 transferred, causing the compression spring 5.1.4 the first operating rod 5.1.1 between the connecting element and the outer end-side edge region 1.1.4.1 the first half of the plate 1.1 facing end compressed in the pulling direction and between the connecting element and the inner end-side edge region 1.1.4.2 the first half of the plate 1.1 facing end is pulled apart in the pulling direction. The first pin 4.1.3 slides also in the direction of arrow inside the guide slot 4.1.2.1 , Due to the first curved recess 4.1.1.3 becomes the first bar 4.1.1 through the sliding Movement of the first pin 4.1.3 pivoted about its horizontal pivot axis in a clockwise direction. The first compression spring 4.1.4 is compressed and holds the first bar 4.1.1 so in bias counterclockwise.

At the same time, the tensile force acting on the first actuating rod 5.1.1 acts, by means of the force transmission element 6 to the second operating rod 5.2.1 transferred, so that the transmitted tensile force in the direction of arrow on the second actuating rod 5.2.1 acts. The further compression spring 5.2.4 the second operating rod 5.2.1 is between the connecting element and the outer end-side edge region 1.2.4.1 the second half of the plate 1.2 facing end in the pulling direction of the first actuating rod 5.1.1 exploded and between the connecting element and the inner end-side edge region 1.2.4.2 the second half of the plate 1.2 facing end in the pulling direction of the first actuating rod 5.1.1 compressed. This slides the second pin 4.2.3 also in the arrow direction within the second guide slot 4.2.2.1 , Due to the second curved recess 4.2.1.4 becomes the second bar 4.2.1 by the sliding movement of the second pin 4.2.3 pivoted about its horizontal pivot axis counterclockwise. The second compression spring 4.2.4 is compressed and holds the second bar 4.3.1 so in preload in a clockwise direction.

The pivoting of the second bolt 4.2.1 causes a disassembly of the hooks 4.1.2.2 . 4.2.1.2 so that the locking of the plate halves 1.1 . 1.2 is released.

When on the first operating rod 5.1.1 no pulling force is applied, the first operating rod returns 5.1.1 due to the restoring spring force of the further compression spring 5.1.4 back to their starting position, as in 2A is shown. The first pin 4.1.3 also slides back accordingly and the first bar 4.1.1 is due to the first compression spring 4.1.4 brought back into the locked position. This is in an advantageous manner an automatic locking of the first plate half 1.1 possible.

Will be the second handle 5.2.2 , as in 2C shown, actuated, the release of the locked plate halves takes place 1.1 . 1.2 in an equivalent way, with the pulling force acting in an opposite direction.

The 3A to 3C show the locking device 4 if the plate halves 1.1 . 1.2 are arranged in transport position, so that here the release of the locked plate halves 1.1 . 1.2 in transport position is described in more detail.

In 3A are the plate halves 1.1 . 1.2 arranged vertically next to each other so that the locking elements 4.1 . 4.2 are arranged opposite one another. The bars 4.1.1 . 4.2.1 the locking elements 4.1 . 4.2 are in locked position.

In this position, grab the first hook 4.1.1.2 of the first locking element 4.1 and the second hook 4.2.1.3 of the second locking element 4.2 each in one at the corresponding first cross-beam 3.1.3 arranged opening 3.1.3.1 one. The hooks 4.1.1.2 . 4.2.1.3 here are equivalent to 2A at right angles to the underside 1.1.2 . 1.2.2 arranged.

The second hook 4.1.2.2 of the first locking element 4.1 and the first hook 4.2.1.2 of the second locking element 4.2 are spaced from each other, wherein the hook tip of the second hook 4.1.2.2 of the first locking element 4.1 the inner front edge area 1.1.4.2 the first half of the plate 1.1 turned away and the tip of the hook of the first hook 4.2.1.2 of the second locking element 4.2 the inner front edge area 1.2.4.2 the second half of the plate 1.2 is facing.

The bars 4.1.1 . 4.2.1 are so on the pin 4.1.3 . 4.2.3 stored, that these each at the upper corner of the open triangle of the curved recess 4.1.1.3 . 4.2.1.4 issue. In the guide slots 4.1.2.1 . 4.2.2.1 are the cones 4.1.3 . 4.2.3 arranged in the middle.

The plate halves 1.1 . 1.2 are thus effectively secured in the transport position against pivoting.

To the locked plate halves 1.1 . 1.2 release one of the operating rods 5.1.1 . 5.2.1 in the direction of the outer front edge area 1.1.4.1 . 1.2.4.1 by pulling the handle 5.1.2 . 5.2.2 to be moved in the 3B and 3C is shown. Being in 3B the first handle 5.1.2 and in 3C the second handle 5.2.2 is pressed (each represented by an arrow).

Will be the first handle 5.1.2 actuated, a tensile force acts on it in the direction of the arrow. This tensile force is applied to the first actuating rod 5.1.1 transferred, causing the compression spring 5.1.4 the first operating rod 5.1.1 between the connecting element and the outer end-side edge region 1.1.4.1 the first half of the plate 1.1 facing end compressed in the pulling direction and between the connecting element and the inner end-side edge region 1.1.4.2 the first half of the plate 1.1 facing end is pulled apart in the pulling direction. This slides the first pin 4.1.3 also in the arrow direction within the first guide slot 4.1.2.1 , Due to the first curved recess 4.1.1.3 becomes the first bar 4.1.1 by the sliding movement of the first pin 4.1.3 pivoted about its horizontal pivot axis in a clockwise direction. The first compression spring 4.1.4 is compressed and holds the first bar 4.1.1 so in bias counterclockwise.

At the same time, the tensile force acting on the first actuating rod 5.1.1 acts, by means of the force transmission element 6 to the second operating rod 5.2.1 transferred, so that the transmitted tensile force in the direction of arrow on the second actuating rod 5.2.1 acts. The compression spring 5.2.4 the second operating rod 5.2.1 is between the connecting element and the outer end-side edge region 1.2.4.1 the second half of the plate 1.2 facing end in the pulling direction of the first actuating rod 5.1.1 exploded and between the connecting element and the inner end-side edge region 1.2.4.2 the second half of the plate 1.2 facing end in the pulling direction of the first actuating rod 5.1.1 compressed. This slides the second pin 4.2.3 also in the arrow direction within the second guide slot 4.2.2.1 , Due to the second curved recess 4.2.1.4 becomes the second bar 4.2.1 by the sliding movement of the second pin 4.2.3 pivoted about its horizontal pivot axis counterclockwise. The second compression spring 4.2.4 is compressed and holds the second bar 4.3.1 so in preload in a clockwise direction.

Panning the bars 4.1.1 . 4.2.1 causes the hook tips of the corresponding hooks 4.1.1.2 . 4.2.1.3 from the respective opening 3.1.3.1 be led out, so that the locking of the plate halves 1.1 . 1.2 is released.

Will be the second handle 5.2.2 , as in 3C shown, actuated, the release of the locked plate halves takes place 1.1 . 1.2 in an equivalent way.

LIST OF REFERENCE NUMBERS

1

table tennis table

1.1

first half of the plate

1.1.1

top

1.1.2

bottom

1.1.3

lateral edge area

1.1.4.1

outer front edge area

1.1.4.2

inner frontal border area

1.2

second plate half

1.1.2

top

1.2.2

bottom

1.2.3

lateral edge area

1.2.4.1

outer front edge area

1.2.4.2

inner frontal border area

2

swivel joints

3

undercarriage

3.1, 3.2

Under the stand components

3.1.1

support legs

3.1.2

roll

3.1.3

first crossbeams

3.1.3.1

openings

3.1.4

folding legs

3.1.5

second crossbars

3.1.6

third crossbars

3.1.7

fourth crossbars

4

locking device

4.1

first locking element

4.1.1

first bar

4.1.1.1

first fastening element

4.1.1.2

first hook

4.1.1.3

first curved recess

4.1.2

first housing

4.1.2.1

first guide slot

4.1.2.2

second hook

4.1.3

first pin

4.1.4

first compression spring

4.2

second locking element

4.2.1

second bar

4.2.1.1

second fastening element

4.2.1.2

first hook

4.2.1.3

second hook

4.2.1.4

curved recess

4.2.2

second housing

4.2.2.1

second guide slot

4.2.3

second pin

4.2.4

second compression spring

5

release device

5.1

first release element

5.1.1

first operating rod

5.1.2

first move

5.1.3, 5.2.3

longitudinal guide

5.1.4, 5.2.4

compression spring

5.2

second release element

5.2.1

second operating rod

5.2.2

second handle

6

Power transmission element

Claims (6)

Locking system for a table tennis table ( 1 ) with two plate halves ( 1.1 . 1.2 ) which are pivotable between a play position and a transport position, wherein a locking of the plate halves ( 1.1 . 1.2 ) in the playing position and in the transport position by means of a release device ( 5 ) is releasable, the release device ( 5 ) at least two release elements coupled together ( 5.1 . 5.2 ), wherein a first release element ( 5.1 ) on a first half of the plate ( 1.1 ) and a second release element ( 5.2 ) on a second plate half ( 1.2 ), characterized in that - the first release element ( 5.1 ) with a first locking element ( 4.1 ) for the first half of the plate ( 1.1 ) and the second release element ( 5.2 ) with a second locking element ( 4.2 ) for the second half of the plate ( 1.2 ), - wherein the locking elements ( 4.1 . 4.2 ) two hooks each ( 4.1.1.2 . 4.1.2.2 . 4.2.1.2 . 4.2.1.3 ), - a second hook ( 4.1.2.2 ) of the first locking element ( 4.1 ) into a first hook ( 4.2.1.2 ) of the second locking element ( 4.2 ) engages when the plate halves ( 1.1 . 1.2 ) are locked in the play position, and - wherein a first hook ( 4.1.1.2 ) of the first locking element ( 4.1 ) and a second hook ( 4.2.1.3 ) of the second locking element ( 4.2 ) in each case in one on a subframe ( 3 ) arranged opening ( 3.1.3.1 ) when the plate halves ( 1.1 . 1.2 ) are locked in the transport position and - that the locking elements ( 4.1 . 4.2 ) each from a bar ( 4.1.1 . 4.2.1 ), a housing ( 4.1.2 . 4.2.2 ) and a pin ( 4.1.3 . 4.2.3 ), the latches ( 4.1.1 . 4.2.1 ) are movable between a locked position and an unlocked position, - each bar ( 4.1.1 . 4.2.1 ) at its, the corresponding pin ( 4.1.3 . 4.2.3 ) facing edge a curved recess ( 4.1.1.3 . 4.2.1.4 ), the spring assisted on the pin ( 4.1.3 . 4.2.3 ) and wherein each bar ( 4.1.1 . 4.2.1 ) is rotatably mounted, so that when longitudinal displacement of the pin ( 4.1.3 . 4.2.3 ) a rotation of the bolt ( 4.1.1 . 4.2.1 ) and its hooks ( 4.1.1.2 . 4.1.2.2 . 4.2.1.2 . 4.2.1.3 ), with which a release or a locking takes place, - whereby the curved recesses ( 4.1.1.3 . 4.2.1.4 ) are each formed as an open triangle and - wherein the pins ( 4.1.3 . 4.2.3 ) are each arranged at an upper corner point of the open triangle when the plate halves ( 1.1 . 1.2 ) are locked in the play position and in the transport position and - wherein the release elements ( 5.1 . 5.2 ) each with one of the pins ( 4.1.3 . 4.2.3 ) are coupled. Locking system according to claim 1, characterized in that the release elements ( 5.1 . 5.2 ) by means of a force transmission element ( 6 ) are coupled together, one by pressing one of the release elements ( 5.1 . 5.2 ) acting tensile force on the other of the release elements ( 5.2 . 5.1 ) is transferable, so that upon actuation of one of the release elements ( 5.1 . 5.2 ) the other of the release elements ( 5.2 . 5.1 ) is mitbewegbar. Locking system according to claim 1 or 2, characterized in that the first hook ( 4.1.1.2 ) of the first locking element ( 4.1 ) at a first bar ( 4.1.1 ), the second hook ( 4.1.2.2 ) of the first locking element ( 4.1 ) on a first housing ( 4.1.2 ), and the first and second hooks ( 4.2.1.2 . 4.2.1.3 ) of the second locking element ( 4.2 ) on a second bar ( 4.2.1 ) are arranged. Locking system according to one of the preceding claims, characterized in that the pins ( 4.1.3 . 4.2.3 ) in on the housings ( 4.1.2 . 4.2.2 ) arranged guide slots ( 4.1.2.1 . 4.2.2.1 ) are slidably disposed. Locking system according to one of the preceding claims, characterized in that the release elements ( 5.1 . 5.2 ) each of an actuating rod ( 5.1.1 . 5.2.1 ) with a handle ( 5.1.2 . 5.2.2 ) are formed. Locking system according to claim 5, characterized in that between the actuating rods ( 5.1.1 . 5.2.1 ) in each case at least one compression spring ( 5.1.4 . 5.2.4 ) is arranged.

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