FR2480583A1 - Child's high chair with tubular frame - comprises dismantlable sections which can be locked in position by bolts and wing nuts - Google Patents

Abstract

The child's high chair has legs which are adjustable in height by two tubular sections fitting into each other and locked in position by a screw bolt and wing nut. The tubular sections for the back rest and the legs can be dismantled and re-assembled from the frame by sleeves. The support tubes for the back rest have a locking stud at the bottom, as has the frame on the pegs and back rest ends. The inner tubes for the legs are graduated so that the correct height can be read off.

Description

The present invention relates to children's furniture of the "high chair" type. this chair allows by adjusting the height of the feet to have a child always properly seated at a table.

On existing highchairs, these are used mainly for babies and children under two years of age. Afterwards, the child being too big, you must have recourse to an ordinary chair; On an ordinary chair, for the child to be seated at the desired height at a table, it is necessary to have all kinds of tricks, such as cushions or beanbags or other means.

D /
The chair according to the invention avoids these drawbacks. Indeed, with its four feet each consisting of two sliding tubes, one in the other, these can be adjusted to the desired height, then maintained at said height by the locking system. either for stools or armchairs with sliding feet, oblige to use for the outside a thick asser tube (therefore heavy) to allow to kill a hole then a tarodage to have a female thread, or to be able to perform a troa then braze a bolt on it to be able to screw a bolt which blocks everything while crushing the inner tube. With the locking system of this chair, this allows the use of tubes of lesser thickness such as I6 / I8 or I8 / 20mm in diameter, oe which allows to have lighter feet, therefore a lighter chair .In effect, the blocking being effected by pressing the two tubes against each other by means of rubber washers, spring and flat, inserted on a bolt screw, all blocked by a wing nut.

 According to a first variant, this chair can be made completely dismountable to facilitate its transport.

According to a second variant, this chair can be with sliding feet
with its blocking system, but not removable.

The attached drawing is a view of the chair completely disassembled and which he shows us:
Figure I is the frame of the chair.

Figure 2 is one of the two backrest tubes.

Figure 3 the complete file.

Figure 4 the locking system.

Figure 5 the two tubes comprising one of the four legs.

Figure 6 the complete foot mounted with figs 4 and 5.

F / The chair firstly has a tube frame I from which we take
drons as base diameter I8mm inside, on 20mm outside of a lon
width and width of 25cm, over a height of 7cm for the feet and backrest At each end of the feet and backrest, will be introduced into the tubes and then braze, a nipple 2 with a diameter of I8mm by 2cm long of which Icm will exceed and will have a male thread with a pitch of 250. The total height will be for the frame of I8cm.

The tube of the backrest 3 with a height of 30 cm with a diameter equal to the frame, will have at one of its ends a stud identical to those of the frame. At 10cm from the top, and IOcm from the bottom, themselves placed at Iom intervals, we will find four nipples 4 crossing the tube in its horizontal direction, to exceed each side by 5mm.

The complete file not connected to the frame, shows us the support 5 dudi file of 30 cm high for 35 cm wide rounded at its angles, in veneer or chipboard, will have screwed at its rear four 6 metal or flexible plastic collars in the shape of a crescent
As this type of necklace is very well known, there is no need to describe it. These necklaces thus placed can be inserted between the nipples 4 of the tubes 3 of the backrest, all connected to the frame by sleeves with a diameter of 18 by 22mm by 2cm high comprising a thread with a pitch of 250, this kind of sleeves being very well known and in other diameters, there is no need to give a more complete description, and is not shown in the drawing.

The locking system breaks down as follows: a bolt life 7, a spring washer 8, a rubber washer 9, a spring washer IO, one of rubber II, a flat washer 12, a wing nut I3.

 The feet decompose as follows: a tube 14 of 22mm inside by 24mm outside with a height of 25cm including a groove 15 of 6mm in width and height will be made at its high end for the first tube; The second tube 16 with a height of 33cm with a diameter equal to the frame will also include a stud with male thread with a pitch of 250. Â oe tube I6 will be made in its vertical center over a height of 25cm a throat 6mm wide from bottom to top I7. On one side of the graduated and numbered markers every 1cm will immediately give the exate position of the height 18 of the foot.

 To obtain the sliding foot with the locking system, simply take the bolt screw 7, introduce up to its head the spring washer 8, the rubber washer IO, where it will be introduced into the tube I6 the screw protruding from the groove I7, the whole will be put in the tube 14 the screw 7 being housed in the groove I5, the spring washer 10 between the two tubes, the rubber washer II and the flat washer I2 will be tightened on the two tubes by the nut with ears I3. These feet thus made up will be connected by sleeves to the frame as for the backrest.

As for the seat, not shown in the drawing, it will be like the veneer or chipboard backrest fixed to the frame by means of four screws of a very common type. The seat and the backrest support will be covered with foam and then with fabrics or plastic.

 At each foot and at the backrest tube, rubber or plastic end caps will be used as anti-slip for the feet 19 and embellishment 20 for the backrest.

 It is understood that the present invention is not limited to the embodiment described and shown which is only an example to which many modifications can be made without departing from the present invention . The embodiment of the invention is described for information and is in no way limitative.

Claims (3)

R E V E N D I C A T I O N S 1 - Chair with sliding feet with locking system and completely removable from its support, characterized by the fact of two tubes entering one inside the other, blocked by the system of a bolt screw and a nut to ear s for feet; Also characterized by the fact that the backrest tubes and the feet are removable and reassemblable from the frame by means of sleeves 20- Chair according to claim I, characterized in that the support of the dpssier is removable and reassemblable from the tubes support by flexible collars fixed at its rear.  30- Chair according to claim I, characterized in that the support tubes of the backrest are removable and reassemblable from-the frame by means of sleeves. 40- Chair according to claim 3, characterized in that the back support tubes have at their lower ends a stud with male thread with a pitch of 250. 5 - Chair according to claim I, characterized in that the frame comprises at its ends feet and back studs with male thread of a pitch of 250.  60- Chair according to claim I, characterized in that the locking system is effected by pressures from the outside and from the inside at the same time on the two tubes of the foot by means of rubber washers, spring washers and plate inserted on a bolt screw and locked by a wing nut.  70- Chair according to claim I, characterized in that the four legs consist of two tubes entering one into the other, the inner tube has at its upper end a stud with male thread of a pitch of 250; And a groove in its vertical center made from bottom to top to allow the entry of the blocking system.  80- Chair according to claim 7, characterized in that the inner tube has a graduation numbering every Tom allowing direct reading of the height of the foot.  90- Chair according to claim 7 ', characterized in that the outer tubes despieds include. in their middle and in the vertical direction a groove allowing the seat of the locking system. 10 - Chair according to claim I, characterized in that the chair can be made with sliding feet but not removable.