Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS330222 A
Publication typeGrant
Publication dateNov 10, 1885
Publication numberUS 330222 A, US 330222A, US-A-330222, US330222 A, US330222A
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Folding chair
US 330222 A
Abstract  available in
Images(3)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

(Model.) 3 Sheets-Sheet l.

E. L. GAYLORD.

FOLDING CHAIR.

No. 330,222. Patented Nov. l0, 1885.

(Model.) u 3 Sheets-Sheet 2. E. L. GAYLORD.

FLDING. HAIR.

N0. 330,222. V PatentedNov. 10, 1885.

i l- Y l, M 1 l l l M025 N. PETERS, Phncmnngraphen wmngum nc,

(Model.) 3 sheetssheet 3. E. L. GAYLORD.

FOLDING CHAIR. No. 330,222. Patented Nov. 10, 1885.

FOLDING CHAIR.

SPECIFICATION forming part of Letters Patent No. 330,222, dated November 10, 1885.

Application filed February 6, 1885. Serial No. 155,059. (Model.)

To @ZZ whom 7325 may concern:

Be it known that I, EDWARD L. GAYLoRD, acitizen of the United States, residing at Bridgeport,in the county of Fairfield and State of Connecticut, have invented certain new and useful Improvements in Folding Chairs; and I do hereby declare the following to be afull,

clear, and exact description of the invention,

such as will enable others skilled in the art to which it appertains to make and use the saine.

My invention relates to certain novel and useful improvements in folding chairs, but is more especially adapted for use in theaters, public halls, and the like, where it is advantageous to have as free an exit as possible, and has for its object to provide a folding` chair which shall be cheap and durable, readily adjusted to any inclination of door, andwhich, when folded, shall occupy but little. space, leaving passage-room on all sides thereof, and with these ends in view my invention consists in the details of construction and combination of elements hereinafter fully explained, and then specically designated by the claims.

In order that those skilled in the art to which myinvention appertains may fully understand its construction and operation, I will proceed to describe the same in detail, referring by letter to the accompanying drawings, forming a part of this specification, in which- Figure 1 is a front elevation of a pair of my chairs; Fig. 2, a plan view, one of the chairs being removed to show the frame-work; Fig. 3, a side elevation of the chair in its folded position 5 Fig. 4, a front elevation of a pair of chairs folded; Fig. 5, a side elevation of my improvement; Fig. 6, a detail section taken at the line :v x of Fig. 7, and Fig. 7 a detail enlarged plan View of the spring mechanism.

Similar letters denote like parts in thes -v eral figures of the drawings.

A are legs, four in number, which are bolted to feet B. These legs and feet are provided with several perforations, C, in a vertical line to enable thelegs to be raised to various heights or to be adjusted to inclined floors.

D is the body of the frame-work,with which ythe legs are cast integral.

E are the chair-seat frames, which are pivoted between uprights F, formed with the body D.

G are braces, which are pivoted to the chairseat frames near their outer ends.

H are coil-springs secured to said frames in any ordinary manner, their free ends I being adapted to bear against the under side of the braces, so as to keep them in their normal po sition in a plane parallel with said frames, as shown in Figs. 2, 3, and 4. The inner or free extremities of these braces are held by said springs against fins or tracks J, cast with the body D, and have flanges K, which extend along the sides of said tracks, as shown at Figs. l and 4..

L are stops at the lower portions of the tracks,and against which the ends of the braces abut, as will be presently explained.

When the chair seat frames are thrown down to a horizontal position, as shown at Fig. 1 ,the braces will slide along the tracks against the action of the springs and abut against the stops, thus affording an exceedingly strong and substantial bracket-support for the said frames. f The backs of the chairs are secured to supports M, which are pivoted to ears N, projecting upward from the frames E. To thesesupports are pivoted the arms O of the chairs. These arms may or may not be provided with pivoted braces such as shown. I prefer to make the central arm without abrace, so that it can be readily thrown back out of the way to make room for wraps, overeoats, 8vo.`

The seats of the chairs are pivoted to the frames E, so as to swing back and down in the usual manner.

The operation of my improvement is as follows: To close the chairs, the backs are thrown down flat against the seats, and the seat-frames ai then thrown up into the positionshown at .igs. 3 and 4, the action of the springs causing the braces to be held iirmly against the tracks J, thereby keeping the said frames in this elevated position.

The springs H are arranged around short shafts P, (see Fig. 6,) journaled between lugs Q, fastened to the frames E, andthe sides selves of the frames. These shafts e through the frames, and form one of th otal points of the braces G.

R is a ratchet-wheel secured to or formed integral with said shaft. One end of the spring is rigidly secured to the ratchet-wheel and the IOO other end bears against the under side of the brace, as above set forth.

S is a detent pivoted to the frame and operating against the teeth of the ratchet in the usual manner.

.When it is desired to tighten the coils of the spring, the ratchet is turned by anysuitable wrench or other means.

I do not wish to confine myself to any particular kind of spring, or to the manner shown of utilizing the same, as any spring bearing against the under side of the brace would be equally effective, the object being to balance the weight of the chair and to keep the brace in proper position.

By, the use of my improvement aisles may readily be formed throughout all parts of a theater or public hall as well as around the chairs themselves by simply folding the chairs. The peculiar construction of the body and the manner of bracing enables me to provide not onlyL au exceedingly strong and serviceable cha'r, but also a vcry cheap one, simple inits manipulation, and most advantageous in its use.

I am aware that folding chairs are not new, broadly, and that there are several that fold together, but in a different way from the inanner shown and described in this application, and I wish to be understood as confining myself to the novel style of folding chair which I have shown-namely, one in which the back must be thrown down against the seat before the latter is thrown in a vertical position.

AHaving thus described my inve11tion,wliat I claim as new, and desire to secure by Letters Patent, is-

1. rlhe combination, with a single supporting-standard, of a pair of chair-seat frames pivoted at their inner ends to said standard and thereby adapted to swing' vertically toward each other, and the chair backs pivoted to said frames and adapted to be thrown forward down against the seats, substantially as set forth.

2. The combination, with a single supporting-standard, of a pair of chair-seat frames pivoted at their inner ends between pairs of uprights extending from said standard to the front and rear of said frames, braces pivoted to the frames near the outer extremities of the latter, spring mechanism adapted to force the free ends of said braces against tracks on the standard, and a stop formed on said standard at the base of the track, substantially as shown and described.

3. In a pair of chairs supported on a single stan dard, the combination, with the seat-frames capable of being swung from their normal position vertically toward each other, of the chair-backs pivoted to the frames and adapted to be thrown forward against the seats, substantially as specified.

4:. The combination of the body D, having tracks J and stops L, frames E, braces G, spring H, and the back-supports M, pivoted between ears N, projecting from the frames, substantially as set forth.

5. The coil-springs H,arranged around short shafts P, journaled between the sides of the frames, and lugs Q, projecting from the frames, in combination with the braces G, against the under sides of which the free ends of the springs bear, the ratchet-wheel R, secured to or formed with the shaft and to which the inner end of the spring is secured, and detent S, pivoted to the frame, substantially as set forth.

In testimony whereof I afx my signature in presence of two witnesses.

EDWARD L. GAYLORD.

Witnesses:

S. S. WILLIAMSON, W. T. HAVILAND.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6059361 *Feb 12, 1998May 9, 2000Volunteers For Medical EngineeringWheelchair accessible stadium seating
US6254185Mar 27, 2000Jul 3, 2001Volunteers For Medical EngineeringWheelchair accessible stadium seating
Classifications
Cooperative ClassificationB60N2/305