US2464450A - Crossed leg pivoted back folding chair - Google Patents

Description

. March 15, 1949. 1. KARISH CROSSED LEG PIVOTED BACK FOLDING CHAIR Filed May 24, 1947 INVENTOR [mac Afa Patented Mar. 15, 1949 UNE STTES CROSSED LEG PIVOTED BACK FOLDING CHAIR 4 Claims.

My invention relates to folding chairs. and it has for its principal object to provide certain improvements in folding chairs whereby to make a stronger chair, to make a chair which will fold into closer and shorter condition when folded up for storage or transportation purposes; and to provide a more simple construction, with fewer parts to be manipulated in folding it.

In order to describe my invention in detail, I have shown on the accompanying sheet of drawings, a folding chair embodying my invention which I will now describe.

Figure l is a side elevation of .a folding chair embodying my invention, in open position;

Figure 2 is a similar view, showing the chair partly folded toward its closed position;

Figure 3 is a side or edge elevation of the chair completely folded;

Figure 4 is a front elevation of the open chair shown in Fig. 1;

Figure 5 is a front elevation of the folded chair, as seeen in Fig. 3;

Figure 6 is a longitudinal sectional view taken on the line 86 on Fig. 5; and

Figure 7 is a fragmentary sectional view taken on line l- -l of Fig. 5, showing the single slot in a side member.

Referring in detail to the drawings, my folding chair as here shown includes two pairs of main legs, designated 8, 8, and 9, 9, crossed and pivoted together at if], at each side, the legs 9, 9, being longer and having in their inner faces, two longitudinally extending channels, as H, at slight angles, as will be seen in the broken line indications in Figs. 1 and 2, and in full lines in Fig. 7.

Extended across and connecting the longer legs 9, 9, is a flat bar 12, secured flatwise and inset in the edges of said legs 9, 9, as will be seen in Figs. 5 and 6, with a seat [3 resting and sliding on the upper edge of said bar I2, said seat having cut-out portions, as [4, 14, forming limit shoulders, as 55, I5, when said chair is open for use, thus giving additional strength.

The upper ends of the legs 8, 8, are pivotally connected with said seat [3 by means of two straps, as [6, it, having their ends hooked into slots l5, H5 in a strap ll, connecting the upper ends of said legs 8, 8, as clearly indicated in Figs. 5 and 6, said strap or bar ll being set into the upper ends of said legs, as shown.

A back !8 is pivotally or hingedly connected to the rear end of the seat [3, by means of short straps, as l9, [9, in cut-out slots 20, 20, whereby said back and said seat can fold flatwise together, as seen in Fig. 3, and Fig. 6.

The opposite sides of said back I8 are provided with studs 2|, which slide in the channels H from top to bottom thereof as said chair is folded in the manner indicated in Figs. 2 and 3.

This construction and arrangement enables the back of the chair to move down in the folding operation so that the folded chair is shorter than the height of the chair in open condition, as will be seen in comparison of Figs. 4 and 5.

It will be noted that all pivot or hinge connections are permanent, that is: the connected parts do not separate at the joint at any time, but fold and slide from open to closed or folded condition.

When folded the chair is Wholly within the breadth of its legs, as seen in Fig. 3 and said chairs will rest fiatwise against each other or upon one another as they are piled or stacked for storage or transportation.

I do not limit the invention to the details here shown, except as I may be limited by the hereto appended claims.

I claim:

1. In a folding chair, two pairs of crossed and pivoted leg members, one pair of leg members being longer than the other pair to form a backsupport, a back member pivotally and slidably connected at its opposite sides with the upper ends of said long leg members, a seat pivotally connected at its rearward end to said back member, and pivotally connected toward its front end to the upper ends of said shorter leg members, a cross bar connecting said longer leg members above their pivotal connections with the shorter leg members, and on which said seat slidably rests, said seat being provided on its under side with limit stops to engage with said cross bar, as said seat moves on said bar.

In a folding chair, two pairs of crossed and pivoted leg members, one pair of leg members being longer than the other pair to form a backsupport, said longer pair having longitudinally extending channels in their inner faces, a back member pivotally and slidably connected at its opposite sides with the upper ends of said long leg members, a seat pivotally connected at its rearward end to the lower end of said back member, and pivotally connected toward its front end to the upper ends of said shorter leg members, said shorter leg members being connected by a cross bar to which said seat is connected, a cross bar connecting said longer leg members above their pivotal connections with the shorter leg members, and on which said seat slides, said seat having in its bottom side a cut-out portion forming shoulders at its opposite ends to function as stops to engage said cross bar.

A folding chair including a pair of outer shorter legs and a pair of inner longer legs in crossed pivoted connection with said outer shorter legs, a cross bar connecting said shorter legs at their upper ends, and a cross bar connecting said longer legs above their pivotal connections with said shorter legs, a seat pivotally connected on its underside near its front end to said cross bar at the upper ends of said shorter legs, said seat sliding upon the cross bar connecting said longer legs and having stops formed in the under side of said seat to engage with said cross bar, a back pivotally connected at its lower end with the rearward end of said seat, said connection permitting said back and seat to fold flatwise together, said longer legs each having a channel in its inner face and said back having a stud in each opposite side to move in said channels, said back sliding downwardly as said chair is folded, whereby the tops of said longer legs and said back are substantially even.

4. A folding chair to fold into a closed form shorter than said chair is tall when in open position, said chair including two pair of crossed pivoted legs, one pair of legs being longer to form a support for a back, a seat pivotally connected to the upper ends of said shorter legs, a cross bar connecting said longer legs above their pivots and on which said seat slides rearwardly and down behind it as said chair is folded, a back piv-otally connected with the rear end of said seat, to fold fiatwise therewith as said chair is folded, said back having pivot studs in its opposite sides, near its middle, and said longer legs having each a channel lengthwise thereof in which said pivot studs slide as said back moves downwardly with the rear end of said seat as said chair is folded, in the manner indicated, whereby said back is substantially flush at its top with the upper ends of said longer legs and is shorter than the height -of the chair is when in use.

ISAAC KARISH.

REFERENCES QITED The following references are of record in the fiie of this patent:

UNITED STATES PATENTS Number Name Date 141,784 Geisler Aug. 12, 1873 780,008 Mettler Jan. 10, 1905 1,675,577 Rosenthal July 3, 1928

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