HK1196759B - Child's high chair - Google Patents

Description

The invention relates to a child high chair with a footrest and a seat element supported thereon.

Such a high chair for children is, for example, known from GB 2 407 487 A. However, this construction has the disadvantage that the footrest is composed of numerous individual elements. Moreover, there are narrow limits to its adjustability.

Also, the U.S. Patent 2003/0015903 discloses a child high chair for feeding a young child. The child high chair comprises a base and a seat for the respective young child, wherein the seat is attached to the base. The seat is rotatable relative to the base.

U.S. Patent 2,987,116 A discloses a high chair with a base section and a seat element supported thereon, wherein the seat element is rotatable and adjustable relative to the base section about a vertical axis, and wherein the seat element is pivotable and adjustable forward and backward in its inclination about a horizontal transverse axis by means of two lateral support arms.

The object of the present invention is to provide an improved child high chair that is characterized by a simple, clear and yet safe construction and easy adjustability.

This task is solved by a child high chair according to claim 1.

It is preferred that the seat element is supported by two lateral support arms, each of which has an operating element of the two-hand safety operation arranged on it.

Each control element can be connected via a cable or rod to a pressure element acting on a actuation protrusion of the gas spring.

Conveniently, the seat element is mounted on two lateral support arms and the cross axis is pivotable, with a tilt lock provided on at least one of the support arms.

The inclination lock preferably has a rotational locking element acting between an axle pin of the seat element and a support arm, which can be moved by means of an actuating cam into a locking or release position.

The rotating locking element can cooperate with the shaft pin via a longitudinal slot or a keyway in a rotationally fixed and axially displaceable manner, and can have locking teeth directed radially or axially, which can engage with corresponding locking teeth that are fixedly connected to the support arm.

It may be provided that an actuating element is arranged on the back side of the seat element and is connected to a wire or cable pull that interacts with the actuating cam.

A table can be horizontally supported by lateral support arms, with a telescopic safety brace arranged between the front edge of the seat element and the table, allowing for length adjustment.

Furthermore, it may be provided that the safety support on the seat element is held by a manually removable fastening means. In this case, a latching fastening that can be released by means of pressure operation may be provided.

The table can be detachably secured to the support arms using two locking attachment points.

The seat element can be rotated 360°.

Conveniently, a cylindrical support pin of the seat part is mounted in a hollow cylindrical receptacle of the foot part.

The assembly can be provided with a C-shaped clamping ring that surrounds the pivot pin.

The clamping ring can be tensioned and released by a knee lever mechanism acting on its free ends.

Furthermore, it may be provided that the knee lever mechanism has a release-proof device that acts in the closed position.

In the context of the invention, it may be provided that a height-adjustable footrest is attached to the seat part, which can be adjusted by means of a push-button operation.

A table can be held horizontally on the side support arms.

A table top can have a removable insert, such as a larger or differently shaped or surfaced tabletop.

The foot portion can have a ring-shaped part with a central crosspiece on which the seat element is mounted.

The cross member can be formed as a single piece with a hollow cylindrical receptacle for a pivot pin of the seat element or a gas spring.

The cross element can be formed as a plastic molded part.

Further advantages and features of the invention will become apparent from the following description of an embodiment, with reference being made to a drawing, in which FIG. 1 and 1a to 1g show an inventive child high chair and its essential components, FIGS. 2, 2a and 3, 3a illustrate a height adjustment of the child high chair according to FIG. 1, FIGS. 4, 5, 6 and 6a to 6c explain the adjustable inclination of the child high chair according to FIG. 1, FIGS. 7 and 7a to 7f illustrate the rotation of a child high chair according to FIG. 1 about a vertical axis of rotation, FIGS. 8 and 8a to 8d explain the attachment of a table to the child high chair, and FIGS. 9 and 9a to 9d explain the attachment of a safety support to the seat element.

First, reference is made to FIG. 1 and 1a to 1g, in which the basic structure of an embodiment of the child's high chair according to the invention is explained. The child's high chair generally designated by 1 comprises a foot portion 2 and a seat element 4, which are connected to each other via a gas spring 6 arranged therebetween, thereby being rotatable and height-adjustable.

The foot part 2 is essentially composed, in the illustrated embodiment, of a ring 8 made from bent metal pipe and a crosspiece 10 made of plastic firmly connected to it, on which a holding part 12 is arranged in the center, having a cylindrical receiving opening 14 for accommodating a lower end section of the gas spring 6.

The seat element 4 is essentially constructed in the illustrated embodiment from a seat shell 20 with an inserted seat cushion 22, wherein the seat shell 20 is held laterally on two approximately quarter-circle curved support arms 24. The support arms 24 are connected to each other by a connecting part 26, which simultaneously serves for connection to an upper end portion of the gas spring 6. A footrest 30 is detachably held on the seat shell 20.

At the upper end sections of the support arms 24, a table 32 is still detachably mounted, from which a safety support 34 extends downward to a front edge of the seat shell 20 and is detachably connected to it.

Figures 2 and 3 explain the height adjustability of the child high chair 1 in more detail. A control protrusion 40 extends from the upper end section of the gas spring 6 (Fig. 2a), which allows a height or length adjustment of the gas spring 6 when it is in the depressed state (Fig. 3a). For this purpose, an angled pressure element 42 acting on the control protrusion 40 is provided, which rests with a horizontal middle section 44 on the control protrusion 40 and has two downwardly angled end sections 46. On each support arm 24, a control element 48 is arranged displaceably and connected at one end to a cable or wire rope 50, which is connected at its other end in the area of the pressure element 42 to a wedge-shaped sliding element 52.

When both operating elements 48 are pulled upward simultaneously, as indicated by arrows 54 in Fig. 3, the sliding elements 52 are drawn toward each other by the wire cables 50 in the direction of the central section 44 of the pressing element 42. As a result, because they are supported on a flat guide surface 56 on their upper side, the pressing element 42 is pressed downward (arrow 58).

By using two separately operating cables 50 and an angled pressure element 42, a two-hand safety operation is created, which prevents the height adjustment from being actuated in an unwanted manner by a small child located in the child seat (actuating only one cable is not sufficient).

Figures 2 and 3 also show the mounting of the upper end section of the gas spring 6 in the connecting part 26 of the seat element 4. In the connecting part 26, two bushing-like receiving elements 60 are arranged at a mutual distance, whose inner diameter corresponds to the outer diameter of the gas spring 6. A fastening screw 62 provided with a handle can be tightened laterally against the gas spring 6 to create a clamping and fixation.

Figures 4 and 5 generally explain the possibility of pivoting the seat element 4 or the seat shell 20 about a horizontal transverse axis 70, thereby allowing the inclination of the seat shell to be adjusted. For this purpose, a manually operable actuating element 72 is arranged on the rear side of the seat shell.

Fig. 6 and details shown in Figs. 6a to 6d illustrate the locking of the seat shell in a desired inclination. The seat shell 20 is provided with two lateral pivot pins 74 defining the transverse axis 70, in which longitudinal grooves 76 are formed. On each pivot pin 74, a rotational locking element 78 is arranged axially displaceable and engages with radially inwardly directed projections into the longitudinal grooves 76, thus being rotationally fixed to the pivot pin 74. The rotational locking element 78 is further provided with locking teeth 80, with which it can engage in a form-fit manner with complementary locking projections or teeth located on the inner side of a bearing sleeve 82, which is fixedly connected to the respective support arm 24. A helical return spring 84 is arranged on one side between the rotational locking element 78 and the bearing sleeve 82, while a rotary cam element 86 is arranged on the other side, which is provided with three wedge-shaped rising cams or guide surfaces 88 distributed around its circumference. The rotational locking element 78 is provided in a not illustrated manner with counter-surfaces that cooperate with the cams 88.

The rotary locking element 86 is rotatably arranged on the axle pin 74 and connected to the operating element 72 by a suitable actuating means, in this example by a cable 90. Advantageously, the rotary locking arrangement shown in Figs. 6a to 6d is provided in the same manner on both sides of the seat shell 20.

When the operating element 72 is actuated in the direction of arrow 92, the rotating detent element 86 is twisted by a predetermined angular amount and thereby moves the rotationally fixed locking element 78, guided on the pivot shaft 74, outward in the direction of arrow 94 against the force of the return spring 84. The locking teeth 80 of the rotating locking element 78 thus disengage from the locking teeth of the bearing sleeve 82, allowing the seat shell 20 to be pivoted about the transverse axis 70. When a desired inclination is reached, the operating element 72 is released, and the return spring 84 again brings the locking element 78 into engagement with the bearing sleeve 82, so that the pivot shaft 74, and thus the seat shell 20, is held non-rotatable relative to the support arms 24.

Figures 7 and 7a to 7f illustrate how the seat element of the child high chair is rotatable and lockable about a vertical axis 96 relative to the footrest. For this purpose, a C-shaped clamping ring 100 is provided in or on the support part 12 of the footrest 2, whose opposite ends can be tensioned toward each other by means of a knee lever or over-center lever arrangement. The knee lever arrangement in the illustrated embodiment consists of a tensioning lever 102 and an actuating lever 104, which are pivotably connected to the clamping ring 100 and to each other.

In the position shown in Fig. 7a, 7b, 7d, and 7e, the clamping ring 100 is firmly clamped on the lower end section of the gas spring 6, so that this and the seat element 4 cannot rotate relative to the foot part 2. When the actuating lever 104 is released (Fig. 7c, 7f), the clamping ring 100 releases the gas spring 6, and the seat element 4 can be rotated.

A safety slide 106, which is displaceable in the axial direction, assumes its initial position shown in Figs. 7a and 7d under spring force, in which the actuating lever 104 cannot be engaged, thus preventing unintended actuation by children. Only a repositioning of the safety slide 106 in the direction of arrow 108 (Figs. 7b and 7e) allows the actuating lever 104 to be opened.

Figures 8 and 8a to 8d illustrate the fixation of the table 32 to the support arms 24. As shown in Figure 8c, the table 32 has two hook-shaped mounting projections 120, which are provided on the inner side with two locking protrusions 122 and, opposite to these, with a locking recess not shown in more detail, whose position is indicated by 124. The bearing sleeves 82 held at the upper ends of the support arms 24 are provided on the outer side with key-like grooves 126, into which the mounting projections 120 are to be inserted.

In each housing 82, a spring-loaded locking element 130 (Fig. 8b) is slidably mounted, which carries a locking protrusion 132 and can be actuated from the outside by a push button 134, so that the locking protrusion can be moved back into the housing 82.

When mounting the fastening projections 120 onto the bearing sleeves 82 or into the recesses 126, the locking protrusions 122 engage corresponding recesses (not shown) in the bearing sleeve 82, and the latching protrusions 132 latch into the locking recesses 124, thus holding the table securely to the support arms 24. To release, the push buttons 134 are actuated, causing the latching protrusions 132 to retract and allowing the fastening projections 120 to be released.

Figures 9 and 9a to 9d illustrate the fastening of the safety support 34, which can be fixed in a locking receptacle 142 of the seat shell by means of a locking foot 140. As shown in Figure 9d, a spring-loaded push button element 144, which is in the illustrated locked position, extends with two lateral end portions 146 from the locking foot 140. A guide slope 148 formed in the locking receptacle 142, with a locking depression 150 arranged behind it, allows for automatic locking of the locking foot when it is inserted into the locking receptacle 142. By pressing the push button element 144, the end portions 146 are released from the locking depressions 150, and the locking foot 140 can be pulled out of the locking receptacle 142.

Since the table 32 remains horizontal regardless of the inclination angle of the seat shell, the safety support 34 is advantageously designed to be adjustable in length, which is achieved here by a telescopic design. Alternatively, an elastic material could be provided.

The footrest 30 is also designed to be adjustable in length, conveniently by means of two interlocking, telescopic parts. Again, a clamping or locking device may be suitable for fixing a selected length.

1	Kinderhochstuhl	106	Sicherheitsschieber
2	Fußteil	108	Pfeil
4	Sitzelement	120	Befestigungsansatz
6	Gasdruckfeder	122	Arretierungsvorsprung
8	Ringteil	124	Arretierungsvertiefung
10	Querteil	126	Vertiefung
12	Halteteil	130	Rastelement
14	Aufnahmeöffnung	132	Rastvorsprung
20	Sitzschale	134	Druckknopf
22	Sitzauflage	140	Rastfuß
24	Tragarm	142	Rastaufnahme
26	Verbindungsteil	144	Druckknopfelement
30	Fußstütze	146	Endabschnitt
32	Tisch	148	Einlaufschräge
34	Sicherheitsstütze	150	Einrastvertiefung
40	Betätigungsvorsprung
42	Druckelement
44	mittlerer Abschnitt
46	Endabschnitt
48	Bedienelement
50	Drahtzug
52	Gleitelement
54	Pfeil
56	Führungsfläche
58	Pfeil
60	Befestigungsschraube
70	Querachse
72	Bedienelement
74	Achszapfen
76	Längsnut
78	Drehverriegelungselement
80	Verriegelungszahn
82	Lagerhülse
84	Rückstellfeder
86	Drehnockenelement
88	Nocken
90	Drahtzug
92	Pfeil
94	Pfeil
96	vertikale Achse
100	Klemmring
102	Spannhebel
104	Betätigungshebel

Claims (24)

1. Child's high chair (1) having a base part (2) and a seating unit (4) that is held on the base part, wherein the seating unit (4) is rotatable and lockable about a vertical axis (96) relative to the base part (2), wherein the seating unit (4) is mounted swivelably and lockably forwards and backwards in its inclination about a horizontal transverse axis (70) on two lateral support arms (24), characterized in that a gas-pressure spring (6), the length of which is adjustable with a two-handed safety operating system, for supporting and height adjustment of the seating unit (4) is provided between the base part (2) and the seating unit (4).
2. Child's high chair (1) according to Claim 1, characterized in that the length-adjustable gas pressure spring (6) is the only length-adjustable gas pressure spring (6) between the base part (2) and the seating unit (4) and/or in that the length-adjustable gas pressure spring (6) is arranged vertically.
3. Child's high chair according to any one of Claims 1 or 2, characterized in that the seating unit (4) is held on two lateral support arms (24), on each of which one control element (48) of the two-handed safety operating system is located.
4. Child's high chair according to Claim 3, characterized in that each control element (48) is connected via a wire pull or cable pull (50) with a pressure element (42) which acts on an actuating projection (40) of the gas-pressure spring (6).
5. Child's high chair according to any one of the preceding claims, characterized in that the inclination locking device has a rotary locking member (78) which acts between an axle journal (74) of the seating unit (4) and a support arm (24), which rotary locking member can be brought into a locking or releasing position by means of an actuating cam (88).
6. Child's high chair according to Claim 5, characterized in that the rotary locking member (78) interacts in a non-rotational and longitudinally displaceable manner via a longitudinal groove (74) or splines with the axle journal (74), and has radially or axially oriented locking teeth (80) which can be brought into engagement with corresponding locking teeth which are fixedly connected to the support arm (24).
7. Child's high chair according to Claim 5 or 6, characterized in that an actuating element is arranged on a rear side of the seating unit (4), and is connected with a wire pull or cable pull (90) which interacts with the actuating cam (88).
8. Child's high chair according to any one of the preceding claims, characterized in that a table (32) is held horizontally on the lateral support arms (24), whereby a telescopable safety support (34) is arranged in such a way that the length is adjustable between a front edge of the seating unit (4) and the table (32).
9. Child's high chair according to Claim 8, characterized in that the safety support (34) is held on the seating unit (4) by means of fixing means which is detachable by hand.
10. Child's high chair according to Claim 9, characterized in that the fixing means is formed by a latching fastening which is detachable by means of pressure actuation.
11. Child's high chair according to any one of Claims 8 to 10, characterized in that the table is detachably held with two latchable fastening projections (120) on the support arms (24).
12. Child's high chair according to any one of the preceding claims, characterized in that the seating unit (4) is rotatable by 360°.
13. Child's high chair according to any one of the preceding claims, characterized in that a cylindrical support pin (6) of the seating part (4) is held in a cylindrical hollow receptacle (12) of the base part (2).
14. Child's high chair according to Claim 13, characterized in that the receptacle (12) is provided with a C-shaped clamping ring (100) enclosing the support pin (6).
15. Child's high chair according to Claim 14, characterized in that the clamping ring (100) can be tensed and released by means of a toggle lever mechanism (102, 104) acting at its free ends.
16. Child's high chair according to Claim 15, characterized in that the toggle lever mechanism (102, 104) has releasing protection (106) which acts in the closed state.
17. Child's high chair according to any one of the preceding claims, characterized in that a height-adjustable footrest (30) is held on the seating part (4).
18. Child's high chair according to Claim 17, characterized in that the footrest (30) is adjustable by means of push-button actuation.
19. Child's high chair according to any one of the preceding claims, characterized in that a table is held horizontally in a detachable manner on lateral support arms (24).
20. Child's high chair according to Claim 19, characterized in that a removable table surface (160) snaps in a detachable manner onto the table (32).
21. Child's high chair according to any one of the preceding claims, characterized in that the base part (2) has a ring part (8) that includes a central transverse unit (10), at which the seating unit (4) is held.
22. Child's high chair according to Claim 21, characterized in that the transverse unit (10) has a hollow cylindrical receptacle (12) for a support pin of the seating unit or a gas-pressure spring (6).
23. Child's high chair according to Claim 21 or 22, characterized in that the transverse unit is formed as a plastic shaped part.
24. Child's high chair according to any one of the preceding claims, characterized in that an inclination locking device is provided on at least one support arm (24) and/or that the seating unit (4) is rotatable and lockable at a constant height about a vertical axis (96) relative to the base part (2).