US2934134A - Chair seat and back - Google Patents

Description

April 26, 1960 c. ADLER CHAIR SEAT AND BACK 2 Sheets-Sheet 1 Filed Nov. 13, 1957 April 26, 1960 c. ADLER 2,934,134

CHAIR SEAT AND BACK Filed Nov. 13, 1957 2 Sheets-Sheet 2 INVENTOR. (haw/es .17 d/er ATT ORNEYS.

p 2,934,134 Ice Patented Apr- 2 1960 CHAIR SEAT AND BACK Charles Adler, Cincinnati, Ohio Application November 13, 1957, Serial No. 696,153

2 Claims. (Cl. 155-187) This invention relates to an open frame chair and the like, particularly to the seat and back portions thereof.

In many instances the seat and back portions of chairs of the above character are made of interlaced woven webs with the ends of each web fastened to the chair frame. The fastening means may take various forms such as nails or tacks when the frame material is wood. In metal frames the ends of each web are provided with a grommet for receiving fastening screws. In other instances the ends of the webs are individually provided with hooks which are received in openings in the frame. The fabric seat and back portions because of wear often need to be replaced. Web material is available on the open market. However, the average person is unable to make such repairs because of a lack of the necessary tools or is unable to perform the amount of labor involved in interlacing and fastening the ends of each web to the chair frame, particularly a metal chair.

An object of the invention is to provide a fabric chair seat and chair back which may be easily attached to a chair frame without the use of tools.

Another object of the invention is to provide an interlaced web fabric chair seat and chair back which may be secured to a chair frame without the use of fastenings such as hooks, clamps, nails, screws and the like.

A more specific object of the invention is to maintain the interlaced webs in a definite and predetermined spaced relation as a unit during application to the frame.

With these and other objects in view, the invention consists of certain novel features of construction as will be more fully described and particularly pointed out in the appended claims.

In the accompanying drawings:

Figure 1 is an isometric projection of a metal chair for outdoor use, embodying my invention;

Figure 2 is a top plan view of the seat portion of the chair in Figure 1;

Figure 3 is a bottom plan view of the seat portion of Figure 2;

Figure 4 is a plan View of a fragmentary portion of the chair seat showing a fastening means according to the invention;

Figure 5 is a top plan view of the fabric portion of the chair seat;

Figure 6 is an isometric projection of a fragmentary portion of the chair seat showing a cord fastening attached to one end of the seat;

Figures 7 and 8 are sectional views taken substantially on lines 7-7 and 88 respectively, on Figure 1; and

Figure 9 is a plan view of one of the cord fasteners.

Referring to the drawings in more detail, 10 indicates a metal chair particularly adapted for outdoor use. The chair has a tubular metal seat frame 11 and a tubular metal back rest frame 12. The seat frame 11 is generally rectangular and the fabric seat portion 13 extends across the top of the frame 11 with the free ends of portion 13 secured to each other beneath the frame as seen in Figure 3.

According to the present embodiment, the portion 13 is made of woven tape or web material (see Figure 5) which may be a natural as cotton or a synthetic material as for example Saran. The Web lengths 14 are interlaced with the web lengths 15 so as to position the webs closely adjacent to each other and thus provide a central interlaced area as at 16. The interlacing of the web lengths 15 and 14 are shown in the present instance as being in the order of one over, one under to result in the socalled basket weave which has been found satisfactory in use for chair seats and chair backs of the above type which are interlaced for outdoor use. The lengths of webs 14 and 15 are such as to provide unlaced lengths of web 17, 18, 19 and 20 extending from the central area 16 a distance suflicient to be folded beneath the sides of frame. The ends of the web lengths 17 are connected to each other edgewise, by a tape 21. Preferably (see Figure 6), the end portion 22 of each of said lengths 17 are wrapped about the tape 21 with the end portion 22 folded back upon itself as at 23. Th webs and tape are secured to each other by lines of sewing stitches 25 and 26. A grommet 27 is fastened to each web length 17 and extends through the web and tape which additionally secures tape and webs to each other. The web lengths 18, 19 and 20 are similarly secured to tapes and similarly provided with grommets 27. It will be seen the free ends of webs 14 and 15 are secured together in edgewise relation and form a seat covering of the general shape of a cross in plan with a grommet secured at each end of the webs. Thus, the ends of the webs through which the grommet pass is not only reinforced but the entire assembly provides a chair seat unit which may be readily attached to the seat frame 11 and secured thereto in the simple way to be now described.

The fastening for the seat portion 13 comprises lengths of cord or other flexible strands 28, see Figure 9, one end of which is knotted as with a common overhand knot so as to provide an enlarged portion 29. A cord 28 is inserted through each grommet 27 of the web lentghs 18, 2G and held by tension drawing the enlargement 29 against the grommet (see Figure 6). It is contemplated that in the first instance the chair will be furnished with the chair seat completely assembled with the tie cords in place. With the seat unit in position on the seat frame and the area 16 properly centered with respect to the sides of the frame 11 the portions of the web lengths 19, 20 of the webs 15 are folded beneath the front and rear bars 30, 31 to extend toward each other. The free ends of the cords 28 may now be inserted through the opposite grommet 27. Figure 3, and secured in place by an appropriate knot 32 as for example a half hitch as best seen in Figure 4. A similar procedure is followed in securing the ends 17 and 18 of webs 14 to each other. It will be readily apparent that each cord 28 is substantially centrally disposed in relation to each web length which allows for a uniform tension to be placed centrally of each web and will eliminate any sagging of individual webs.

The back rest 33 is similar to the seat portion 13 with the exception that it is in the nature of a band made of interlaced lengths of webs 34 and 35. The ends of the web lengths 34 are secured to each other edgewise in the very same manner as above described by a tape 21 and grommets 27, and a similar cord 28 is employed for securing the back rest to the uprights 36 of the back rest portion of the chair frame. The Web lengths 35 in the present instance however terminate at the outer edge of the outer webs 34 as shown in Figures 7 and 8 and are there sewed to each other by a line of stitches 37.

In some instance it may be desirable to extend the web lengths 35 beyond the outer webs 34 as in the seat portions 13. Under such condition it will benecessary to add a cross bar (not shown) at the lower end portion of upright 36 so as to extend parallel to the upper cross bar QS'ofi'the-back'rest framel Such modification of back rest portion 33 would be a duplicate to the seat portion '13 except for-size. i V X Fromthe foregoing it will be seen I'have disclosed an interlaced web prefabricated chair seat and back rest units which may be easily assembled in place on a chair frame by merely inserting the cords through grommets and securing the cord in place by a simple half hitch knot or other appropriate knot. Thus the repairing of this seat and back rest of a chair of thetype-above described becomes a simple task which may be easily'performed, even by. the less mechanically inclined person.

lclaim: V

1. A prefabricated web seat for an open frame chair comprising a plurality of separate'lengths of web material lengths of web material in edge to edge relation, a second tapeextending laterally of said second plurality webs adjacent one end thereof, each web of the second plurality being doubled back on itself about said second tape and means to secure each web of the-second plurality to said second tape, said webs of said pluralities'being interlaced com with the other in a generally central area, said webs extending from the interlaced area a distance sufficient to overlie the sides of the seat frame of the chair and to be extended therebeneath said securing means comprising grommets secured to each end of each Web through the doubled back portion and tape about which the doubled back portion extends and tiecords extending through said grommets to secure .the webs to a seat frame.

2. A prefabricated web seat as in claim 1 wherein said means to secure each web to said tape also comprises sewing of the doubled back portions of the web to the web and tape.

" References Cited in the file of this patent UNITED STATES PATENTS 1,230,446 Thirlwall June 19, 1917 2,444,873 Goldberg July 6, 1948 2,570,725 Satterfield Oct. 9, 1 951

Images