DE2353463A1 - METHOD AND DEVICE FOR ATTACHING COVERS WITH RECLINING LINES TO THE BACKRESTS OF SEATS - Google Patents

Description

Bochum
iStt

ETABLISSEMENTS BERTHAED FAIJEE ■ '3743/73

Procedure and gate direction to ^. Attachment of coatings with recessed lines on the backrests of seats.

The invention relates to the method and

Devices for attaching. coatings, which are set back on the outside Have lines on the backrests of seats, in particular of motor vehicle seats.

The problem solved by the invention is in the covering or covering of the cushions of the backrests of seats with front contact surfaces of general concave shape, with sharp formation of "receding" lines or recessed areas in these surfaces to ensure good tension of the coating at each of its points.

For the formation of such receding

Lines or zones are generally proceeded in the known embodiments from the rear of the cushion in such a way that suitable organs are attached to the front portion of the cover, whereupon these are drawn back through the thickness of the cushion and on the rear Part of the holder

409822/0723

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attached to the pillow. ~ 2353463

These processes are lengthy and difficult. , _ ■

In addition, 7er hinders the production of the

Cover by a cover that completely envelops the backrest, i.e. at the same time the front and the back of the arrangement formed by the cushion and its holder, as they require access to the rear.

These disadvantages are overcome by the invention

avoided, according to which those in the Yorderflacha of the cover provided receding lines are made under the exit from this surface, so that the cladding through a enveloping oversug can be formed.

This is done on the inside of the cover

at the location of each receding line to be formed a strip of a flexible, inextensible material is attached, which along its edge facing away from this side has a rigid one Rod carries, to which a certain number of hooks are attached is, which are all directed downwards and cooperate with as many elements of the frame of the cushion, the locking the arrangement by hooking the bent upwards takes place lower ends of the rods with lower plant parts of the frame.

The invention also relates to methods of applying the covers of the above type to their cushions.

Such a method includes the following

Operations: each strip is attached to the inside of the cover attached along the receding line to be formed. Each stick is attached to its strip. The hooks will retracted by rotating the rods accordingly. The prepared cover is pulled from top to bottom over the backrest. By rotating the rod around you even the hooks are brought to the rear. The rods will successively pushed back and down so that their hooks grip the corresponding elements of the frame, and the The resulting arrangement is finally locked in that the lower ends of the rods, which are bent upwards for this purpose, are also locked lower parts of the system are hooked.

4098 2 2/0723

- '=, .-. ■■'> 3 - _ ,, .., 3743/73.

Me before eyeing executions aas et *

You can fertilize from em one thing and / o & cr the other the next Have features i

': - each rod is formed by a]? olge of rectilinear' Ketälld ^ htabsehJi ^^ * whose upper sndo in Is bent in the shape of a crutch * to form a hook, where the sections are welded together

- · Each staff is in a Raiiclk'änäl des

Strip, v / calibrate it equip ^ üuntergebraeht , whereby the channel has windows for the passage of the hooks.

. \ The Brfindüng, is referenced to the highest point explained on the drawing as an example *

"." Pig, 1 shows a real half-

cut the back of a seat j which was invented with a belt. the coating is covered, welclier in its front The attachment surface has lines jumping across the valley. "

fig * 2 to 5 show four in a row

Working steps of the attachment of this invented tJberüges * '"" "'" ".

In the embodiment shown, the backrest comprises a rigid tubular frame 1 (PigVi) * which is supported by springs 2. is braced, are v / elclie zig-zag corrugated and form a resilient elastic layer, a central plate 3 made of foam, placed against this layer, and two railing strips 4 made of Scnauiüi which are placed against the two vertical edges of this layer and the frame 1 * and the surfaces of which protrude strongly over the surface of the plate, "so: that they tread the Mekeh of the Persdii§ who sits on the seat provided with this ruekeüieÜne *

This arrangement formed by the frame and the foam blocks carried by it is intended to be in the form of an envelope covering 5 ha ¹ ! $ welehei is stretched at geäeia oi one point and: at the point of the two the plate 3 of; the two edge strips 4 corrugated soldering with the sole strand 6 clearly marked receding iihien 7 protruding. - -

3Dä the transfer 5 the backs on all

408822/0723

ORIGINAL fNSPECTED

- 4 - 3743/73

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Sides wrapped, i.e. both on their back and aui its front, it is surely the formation of the receding lines 7-no longer possible, -ei · © as before a move from the. back the backrest through the seat 6 through on art ■ to exercise organs attached to the front section of the over-eye »

The invention allows these receding lines to be seen clearly and vigorously from the front of the backrest to mark off.

To do this, she uses a flexible, inextensible "return strip" 8 and for each line 7 that recedes a bar 9 provided with hooks 10

Each two-dimensional strip 8 formed by a canvas has a (clearly visible in Pig. 2) Outline, which roughly corresponds to the section of the backrest through a vertical, corresponds to the longitudinal plane going through the corresponding receding line 7. This uni crack is at the back by about straight side 11 and at the front by a curved side t2, which has the shape of the line 7, limited.

The side 12 is attached to the inside of the cover 5 in the immediate vicinity of the line 7 to be formed, preferably by sewing on two fringes at 13 (Pig. 1), which in turn are folded back and placed against each other at the same point of two separate adjacent ones, the cover 5j-forming leaves are sewn

Has 11 along its straight side

this strip a channel formed by "sewing a hem." 14, in which window 15 at the point of the desired interlocking points are cut out, which are explained below.

Each hooked bar includes one

rigid rectilinear shank 9, at weichein projecting a .gewisse number of rabbits or hooks 10, all of the plane containing the rod lying in one and the same, _e, and are directed in the same direction, namely in Pig. 2 to 5 down.

Each rod can go through a single shaft

formed v / ground on which, in particular by welding, the Hooks are attached, which in turn are formed, for example, by U-shaped metal wire sections.

409822/072 3

ORIGINAL INSPECTED '

No'ch the staff gets better than that

illustrated embodiment, by "a" sequence of identical Ketallwrahtabschnitteix formed, the upper end of which in the manner of a • The crutch is bent over and these sections are welded together.

Each rod 9, is in the longitudinal direction

its channel 14 according to the. Arrow Fj (Fig. 2) introduced, that is to say in your sense, in which there is no risk of the hooks 10 catching on the edges of the windows 15.

When the insertion is completed, each hook 10 projects out of the channel 14 through a window 15 (FIG. 3).

To attach the so provided with its two return strips 8 and its two rods 9 cover the backrest is done as follows.

First, this rod is rotated around itself, e.g. by 90 ° or 180 °, so that the hooks are "drawn in" and prevents them from occurring during the application of the coating come into engagement on the backrest with the frame can, especially with. the anchoring elements 16 of the frame (sinusoidal springs 2 or the like) to which they are attached should. ■

The cover, which is open at the bottom, then becomes

brought the backrest and pulled it down so that it covers · -.

During this process, the rods slide 9 from

up and down without their hooks hooking as they are retracted are. .- ■ - ■.

When the cover is in its lowest position

has come, it envelops the backrest in a little or at all not stretched and shows no specially marked receding lines.

: To mark these lines, the hook 10 and the rods 9 firmly connected to these are given the three following additional movements ι

. - a horizontal rotation according to the arrow Fg (Fig. 4), so that the hooks are directed backwards;

'■. _-. a horizontal thrust backwards according to arrow F until the rods are attached to the elements

4 0 9822/07 2 3.

•. . . BATH

- and finally a lowering according to that

Arrow S \, whereby the desired Verhalumg the hook 10 to the Elements 16 is produced.

Each receding line 7 is then ...

clearly marked in the front surface of the applied overlay, and the overlay is properly tensioned at each of its points, even in its front concave zones

To lock the arrangement thus produced, the lower end 17 of each rod is bent over so that that it detects a corresponding stop 18 belonging to the frame of the seat, preventing any subsequent movement of the rod is prevented upwards

According to a modification, the

lower hooks 17 provided in advance on each rod, the stopper 18 only used at the end of assembly or during the last displacements of the rod by means of a temporary elastic bending of the same is ungang.

The handling of each rod 9 during

the attachment is done two-way so that its lower end grasped with one hand. and its upper end with the other hand. is pushed back so that it is inserted into the upper part of the corresponding slot 6.

The invention thus enables the very simple attachment of an enveloping over-eye to a seat backrest, the front contact surface of the cover being stretched at each of its points and strongly and strongly marked receding Lines out «It should also be noted that the Deformations of the backrest due to its use do not in any way change the shape of these lines as soon as the backrest arises goes to sleep »

409822/0723

BAD OffiGINAL

Claims (7)

~ 7 - 3743/73 'Pä t e η t' a η s ρ r ü · c h e '(i ·) / Device for · applying a cover ait surüek's jumping lines on a backrest of a Seat, characterized in that on the inside of the cover (5) at the point of each rebound to be formed Line (7) a strip (S) made of a flexible inextensible Vierkstoff is attached, which along his this inside ■ sent edge (11) a rigid rod (9) with a certain ~ sen number of hooks (10), "which are all directed downwards are and with as many Yerankerungselemente (16) of the frame the backrest can interact 2.) Device according to claim 1, characterized characterized in that each lower rod end (17) is bent upwards is· . - 3.) Device according to claim 1 or 2, characterized characterized that each bar is characterized by a sequence of straight metal wire sections} the upper end of which is bent over in the oria of a crutch to form a hook. the, these sections being welded together. 4.) Device according to one of the claims 1 to 3, characterized in that each rod is in an edge channel (14) of the strip provided with it is arranged, which Has window (15) for the passage of the hook. 5.) Procedure for. Attachment of a ' a device according to one of claims 1 to 4 provided Cover with recessed lines on the back of one Seat, characterized by the following operations: each strip (8) is on the inside of the cover (5) along one to attached forming receding line (7); each rod (9) is attached to its strip (8); the hooks (10) are drawn in by rotating the rods accordingly; the so prepared coating is from top to bottom pulled over the backrest; the hooks are made by rotating the Rods around themselves are set backwards j the rods will be . pressed backwards and downwards one after the other in such a way that their hooks capture the corresponding elements (16) of the G-esteil ? and ultimately the arrangement obtained is thereby 409822/0723 'I. i-U'gelt, class the lower ones, for this purpose bent upwards and en (17) of the rods ar. hooked lower investment surfaces (18) of the frame v / he the. ■ 6.) Cover for the backrest of a seat, characterized in that it geiaäss with a device ad, he claims 1 to 4 is provided. 7.) seat back wages, characterized in that that they are covered with a cover in accordance with the claim. 6 is coated. 409822/0723 BAD OmGINAL