EP1209278A2 - Ironing board - Google Patents

Abstract

The mechanism features a rod-like component (100), which acts in conjunction with a clamping unit (110). The rod-like component is aligned, at least in part, with the longitudinal direction of the board. The clamp is released when the component is rotated round its axis. As a result, a guide component (120) can be shifted freely inside a guide rail (122) in the longitudinal direction of the board.

Description

The present invention relates to an ironing board comprising a height-adjustable stand, which on its upper End carries an ironing surface, the stand frame two over a joint, scissor-arm-connected legs has and the height adjustment by adjusting the Angle that the legs enclose with each other, with a lock for the respective height position is provided below the ironing surface and the one Mainstay in its upper end area with at least one Guide element in at least one guide rail below the ironing surface is slidably guided and wherein Moving within the guide rail after loosening the Locking is possible.

An ironing board of the type mentioned is for example from the "laundry care" catalog from Hailo-Werk, D-35702 Haiger, known. The ironing board is there too "Hailo ProfiStar 2000" called and under the article no. 5240-90 offered. To release the lock and adjustment the respective height position is known in this Ironing board provided an actuator, which by a Axis is pivotable, the axis of this Actuator, however, transverse to the longitudinal direction of the Ironing board runs below the ironing surface. In which Known ironing board is the lock for the Height adjustment constructively quite complex and susceptible to interference.

The object of the present invention is a Ironing board of the type mentioned at the beginning in which this mechanism for locking or Unlock to set the desired height of the ironing board is improved.

A solution according to the invention provides this object Ironing board of the type mentioned with the characteristic feature of the main claim. According to the invention it is provided that the locking device is a rod-like Element comprising which with a clamping device interacts, but this rod-like element unlike in the prior art at least partially in Longitudinal direction of the ironing board is aligned. The axis of the rod-like element about which it can be rotated, So runs in the longitudinal direction and not in the transverse direction of the Ironing table. After twisting the rod-like element its axis, the clamping device is released and after that then the at least one guide element within the at least one guide rail in the longitudinal direction of the Ironing board freely movable, so that the angle the include both pillars mutually variable and the ironing surface of the ironing board is adjustable in height.

According to a development of the invention, this is rod-like element preferably in the longitudinal direction of the Ironing board, d. i.e., in the direction of its axis of rotation fixed on the ironing board. Against preferably the clamping device after loosening the Locking with the at least one guide element in Longitudinal direction of the ironing board shifted. This means that rod-like element is rotatable but mounted immovably on the ironing board while the Clamping device with the guide element and thus against the Axis of rotation in its axial direction after loosening the Lock can be moved.

According to a further development, the Clamping device at least one preferably within one Casing with a rotatably mounted cam sleeve. This curve sleeve is in turn preferably on said rod-like Element rotatably arranged. Furthermore, the Clamping device, preferably at least one clamping piece, which in the locking position on the rod-like Element is set. This clamp is in a loosened Bring position in which it and therefore the entire Clamping device opposite the rod-like element in Longitudinal direction of the ironing board, i.e. axially based on that rod-like element that is slidable. This axial The clamping piece is fixed according to a preferred one Development of the invention by tilting on the rod-like element.

This tilting of the clamping piece can be done by turning the Curve sleeve done. The curve sleeve shows preferably an inclined surface facing the clamping piece. Since the cam sleeve continues to be preferably on the rod-like element is arranged in a rotationally fixed manner Twisting the rod-like element, d. i.e., solving the Locking, the cam sleeve also twists and presses against the clamping piece and tilted this on the rod-like element. When rotating the rod-like Elements in the opposite direction rotate the cam sleeve back and then allows the clamp to move back in a position in which the cant is removed, whereby then preferably the clamping piece transversely to the rod-like Element stands. Then the clamping device is on the rod-like element displaceable in the axial direction.

A preferred development of the invention provides that the clamping piece in the housing in the tilt position against the force of a spring accumulator, for example one Compression spring is mounted, so that this spring after Actuation of the cam sleeve, the clamping piece in the loosened Position presses.

Since after releasing the lock, the clamping device preferably with the guide elements in the longitudinal direction of the Ironing table, it is a good idea preferably the housing of the clamping device over at least a connector with the guide element firmly connect. There can be several guide elements and there are several guide rails, for example two Guide elements, each in a guide rail move. Both guide rails are then preferably spaced parallel to each other on both sides of the Clamping device arranged. It is then also preferred the clamping device via a connector for example, with one of the housings Guide elements connected.

To the rod-like element axially immovable on the You can define the underside of the ironing surface For example, provide a crossbar in which the rod-like element rotatable about its axis but axially is immovably mounted. This crossbar can for example between two of the aforementioned Guide rails run, the then Clamping device and the rod-like element preferably located approximately midway between the two guide rails.

To handle for locking or releasing the To facilitate locking is preferably a Actuator available, which in the simplest constructive solution firmly with the rod-like element connected is. For example, you can be in one piece with the rod-like element one at an angle to this use the standing rod as an actuator, which on the Underside of the ironing surface protrudes in its edge area, so that it is easily accessible. The twisting of the rod-like Elements is then done by folding the angled Actuating element.

A possible preferred variant of the invention provides that the rod-like element over the actuator is operated against a spring force. This makes it possible that after loosening the lock by turning the rod-like element and after subsequent adjustment the rod-like element in the desired height automatically turns back into its locking position, for example when the operator controls the actuator lets go. This is also for security reasons advantageous, because then the operator can do the renewed Don't forget to lock in the changed height position.

A possible preferred development of the invention Task solution provides that the clamping device two Includes cam sleeves, namely a fixed outer Curve sleeve and a rotatable inner curve sleeve, which in the outer cam sleeve is rotatably mounted and firmly on the rod-like element is arranged and thus with turns this one. The outer curve sleeve is included preferably an oblique cylindrical cylinder on one side part cut. There are different ways to Formation of the inner cam sleeve. This can be done with a continuous sloping surface on one side and have a slit approximately in the central region which the rod-like preferably formed as a flat material Element.

According to an alternative embodiment, for example also the aforementioned inner curve sleeve on her Back, that is, on their facing away from the clamping piece Side have an inclined surface and also the fixed outer curve sleeve on this back an inclined surface exhibit. If in such an embodiment the twisted inner curve sleeve with the rod-like element, then the inner one pushes at the front Cam sleeve on one side out of the outer cam sleeve and presses the clamping piece out of the canted slanted Locking position in a just released position, in which the Clamping piece then approximately at right angles to the axis of the rod-like element is aligned. This is the Cant lifted and the clamping piece can over the slide rod-like element. When using two Curve sleeves, namely a fixed curve sleeve and a cam sleeve rotatable with the rod-like element are the most diverse constructive Variants conceivable. The only important thing is that in this preferred embodiment of the invention Clamping piece by turning the rod-like element from a tilted position to a released position becomes.

The features mentioned in the subclaims relate to preferred developments of the invention Solution of the problems. Further advantages of the invention result from the detailed description below.

Fig. 1

eine schematisch vereinfachte Ansicht eines erfindungsgemäßen Bügeltischs, wobei der besseren Übersichtlichkeit halber die Bügelfläche weggelassen wurde;

Fig. 2

eine vergrößerte Detailansicht des Mechanismus für die Arretierung von oben her gesehen im teilweisen Schnitt;

Fig. 3

eine entsprechende Ansicht ähnlich wie in Figur 2 jedoch mit gelöster Klemmvorrichtung;

Fig. 4

eine perspektivische Explosionsansicht der Einzelteile der Klemmvorrichtung.

The present invention is described in more detail below on the basis of exemplary embodiments with reference to the accompanying drawings. Show

Fig. 1

a schematically simplified view of an ironing board according to the invention, the ironing surface being omitted for the sake of clarity;

Fig. 2

an enlarged detail view of the locking mechanism seen from above in partial section;

Fig. 3

a corresponding view similar to Figure 2 but with the clamping device released;

Fig. 4

a perspective exploded view of the individual parts of the clamping device.

Reference is first made to FIG. 1. The representation of the Ironing board according to the invention is schematically strong simplified and parts that within the scope of the present Invention are important, such as. B. the foot area and the ironing surface is not shown. The drawing shows rather, a simplified one only in perspective view Height-adjustable frame of an ironing table, the two over a joint, scissor-arm-connected legs having. It is in the present exemplary embodiment two pairs of legs. There are also ironing boards at which a single leg articulated with a Main pair of legs is connected. As a rule, the top ones Ends of one leg or one pair of legs firmly connected to the frame of the ironing board, whereas the other leg or pair of legs as in that Embodiment according to Figure 1 with at the upper end Guide elements 120 is connected, which in guide rails 122 of the frame of the ironing board in the longitudinal direction freely can be moved if a lock has been released beforehand.

This locking is in the embodiment shown in FIG 1, the clamping device 110, which is rotated by a can release or set rod-like element 100. is released the clamping device 110, are the guide elements 120 in the two parallel guide rails 122 in Longitudinal direction of the ironing board, so that the movable pair of legs manually around the axis of the joint 132 compared to the fixed pair 131 or fixed leg is pivotable. This changes the angle between the movable pair of legs 130 and the fixed Leg pair 131. The smaller this angle in the Embodiment according to Figure 1 is d. that is, the further the Guide elements 120 in the drawing of Figure 1 after shifted to the right, the steeper the two are Leg pairs 130, 131 and the higher the level of ironing surface resting on the frame (not in FIG. 1 ) Shown. After setting the over the rod-like Element 100, which can also be seen in FIG. 2, actuatable clamping device 110, however, can Guide elements 120 can no longer be moved and the Ironing board remains in its respective height position.

Referring first to Figure 2 and Figure 3 subsequently the mechanism of locking via the Clamping device 110 explained in more detail. It can be seen in FIG. 2 the rod-like element 100, which is rotatable about its axis is mounted on a crossbar 111 of the frame of the Ironing table. With the rod-like element 100 is one Actuator 112 connected, which is about a right Has angle to the rod-like element and approximately extends in the transverse direction of the ironing board and from the side the ironing board is easily accessible. By means of the Actuator 112, the rod-like element usually turn about 90 ° around its axis. It is but the rod-like element 100 in the crossbar 111 axially immovable.

The clamping device 110 comprises an outer one Housing 104 and arranged in this housing fixed cam sleeve 102. The housing 104 is after both Sides outside each with a connector 109 with the two guide elements 120 firmly connected. The housing 104, and the other parts of the Clamping device is over when the clamping device is released the guide elements 120 in the axial direction, i. i.e., in Longitudinal direction of the ironing board opposite the crossbar 111 and thus also in relation to the rod-like element 100 displaceable.

Figure 2 shows the locked position of the clamping device 110. This includes one in the fixed curve sleeve 102 rotatably mounted cam sleeve 105, which over a Slot 103 (see FIG. 4) the rod-like element 100 receives. The latter is a flat material and interspersed both the slot 103, the rotatable inner cam sleeve 105, as well as the slot of the disc-shaped clamping piece 106 so that when the rod-like element is twisted 100 both the clamping piece 106 and the inner rotatable Turn the cam sleeve 105, but not the outer cam sleeve 102, which is fixedly connected to the housing 104.

In addition, the clamping device 110 also includes one Compression spring 108, which is in the position according to FIG. 2 is under spring tension in particular on one side, since that Clamping piece 106 by the position given in FIG rotatable cam sleeve 105 pressed against the compression spring 108 and is tilted on the rod-like element 100, such as can be clearly seen in Figure 2. By tilting the Clamping piece 106 on the rod-like element 100 is a axial displacement of the latter in this position is not possible. This means that the two guide elements 120 are also established.

Now the rod-like element 100 will be over Actuator 112 rotated about its axis, for example about 90 °, then twists with the rod-like Element also the inner cam sleeve 105 (see also Figure 4). This curve sleeve 105 thus reaches the one in FIG. 3 shown position, in which the tilt of the clamping piece 106 is canceled, because in the drawing in the upper area Curve sleeve 105 no longer presses against the clamping piece. The clamping piece 106 is now at right angles in FIG. 3 to the rod-like element 100 which, as said, a Is flat material and has been rotated by 90 ° as you go through Comparison of the drawings Figure 2 and Figure 3 can be seen. Outside, the clamping piece 106 is on one side in the Edge area nevertheless on the fixed cam sleeve 102 on. Since the canting of the clamping piece 106 is now in the Position is canceled according to Figure 3, the entire Clamping device 110 in the axial direction opposite the rod-like element 100 to the right or in the drawing also slide to the left, with the clamping device 110 also the two guide elements 120 slides, which in turn in the two guide rails 122 are guided. The stick-like Element 100, on the other hand, maintains its axial position. rotates one now the inner curve sleeve 105 with the rod-like Element 100 back, then presses it again one side on the clamping piece 106 and brings this against the force of the compression spring 108 back into position according to Figure 2, so that the clamping piece 106 canted and the Clamping device 110 on the rod-like element 100 is set. The exploded view according to FIG. 4 once again the basic structure of the clamping device 110 clearly. You can see the inclined surface 107 and the Slit 103 of the curve sleeve 105. Furthermore, one can see in Figure 4 that the rotatable cam sleeve 105 concentric is received by the fixed cam sleeve 102. In addition, the disc-shaped shape of the clamping piece 106 recognizable, which also has a slot that in about the dimensions of the cross-section of the rod-like Elements 100 corresponds, so that the clamping piece 106 when Rotating the rod-like element 100 rotates, but that rod-like element 100 in the slot 106 so much play has that the released clamping device 110 compared to the rod-like element 100 can be moved axially.

Claims (13)

Ironing board comprising a height-adjustable stand frame, which carries an ironing surface at its upper end, the stand frame having two legs that are connected to one another by a scissor-arm joint, and the height is adjusted by adjusting the angle that the legs enclose with each other, with a lock for the respective height position below the bracket surface is provided and the one supporting leg in its upper end region is slidably guided with at least one guide element in at least one guide rail below the bracket surface, and displacement within the guide rail is possible after releasing the lock, characterized in that the lock is a rod-like element (100), which cooperates with a clamping device (110), this rod-like element (100) is at least partially aligned in the longitudinal direction of the ironing board and after rotation of the rod element (100) around its axis, the clamping device (110) is released and then the at least one guide element (120) is freely displaceable within the at least one guide rail (122) in the longitudinal direction of the ironing board. Ironing board according to claim 1, characterized in that the rod-like element (100) in the longitudinal direction of the ironing board, that is, in the axial direction with respect to its axis of rotation is fixed on the ironing board and the clamping device (110) after releasing the locking with the at least one guide element (120 ) is moved in the longitudinal direction of the ironing board. Ironing board according to claim 1 or 2, characterized in that the clamping device comprises at least one cam sleeve (105) which is rotatably mounted within a housing (104) and which is arranged on the rod-like element (100) in a rotationally fixed manner. Ironing board according to one of claims 1 to 3, characterized in that the clamping device (110) comprises at least one clamping piece (106) which is fixed in the locking position on the rod-like element and which can be brought into a released position in which the clamping device ( 110) relative to the rod-like element (100) in the longitudinal direction of the ironing board (axially based on the rod-like element). Ironing board according to one of claims 1 to 4, characterized in that the axial fixing of the clamping piece (106) on the rod-like element (100) is carried out by tilting. Ironing board according to one of claims 1 to 5, characterized in that the canting of the clamping piece (106) is carried out by rotating the cam sleeve (105), which has a corresponding inclined surface (107) facing the clamping piece (106). Ironing board according to one of claims 1 to 6, characterized in that the clamping piece (106) is mounted in the housing (104) in the tilting position against the force of a spring accumulator (108), preferably a compression spring, which after actuation of the cam sleeve (105) brings the clamp (106) into the released position. Ironing board according to one of claims 1 to 7, characterized in that the housing of the clamping device is fixedly connected to at least one guide element (120) via at least one connecting piece (109). Ironing board according to one of claims 1 to 8, characterized in that the rod-like element (100) is formed at least in the region of the clamping device (110) as a flat material and the cam sleeve (105) has a correspondingly shaped slot (103) so that the When the rod-like element (100) rotates about its axis, the cam sleeve rotates with it. Ironing board according to one of claims 1 to 9, characterized in that the clamping device is connected via two connecting pieces (109) to two guide elements (120), each of which is slidably guided in a guide rail (122) when the clamping device is released, both guide rails (122 ) are spaced parallel to each other on both sides of the clamping device. Ironing board according to one of claims 1 to 10, characterized in that the rod-like element (100) is mounted in a crossbar (111) so as to be rotatable about its axis but not axially displaceable. Ironing board according to one of claims 1 to 11, characterized in that the rod-like element (100) has an actuating element (112) connected to it and arranged at an angle thereto, by means of which the rod-like element (100) can be rotated about its axis. Ironing board according to one of claims 1 to 12, characterized in that the crossbar (111), in which the rod-like element (100) is mounted, extends transversely between two guide rails (122).

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