US1556306A - Folding chair - Google Patents

Description

Oct. 6, 1925 W. C. RASTETTER FOLDING CHAIR Filed Oct. 6, 1924 M INVENTOR ATTORNEY Patented UNITED sures PATENT OFFICE.

c. on roar .wim, Imam-an.

romance cm Application am We", 1094. semi a. 741m.

To all whomit may concern:

Be it known that I, WILLIAM C. RAs'm'r-.-

m, a citizen of the United States of Amer.-

ica, and resident of Fort Wayne, 'inthe county of Allen and State of Indiana, have invented certain new and useful Improvements in Folding Chairs, of which the fol- Y provide a sliding connection between a folding seat and the supporting structure of the the chair that is operable as a clamp to hold the seat and support therefor rigidly together when the chair is in position for use. This object is accomplished bythe com struction illustrated in the accompanying drawings, in'which v Fig. 1 is a side elevation of a chair embodying the invention; A

Fig. 2 is a front elevation projected from Fi 1' e Figjii is a detail showing the sliding connection between the seat and prop, vlewed from the rear of the seat; and.

Fig. 4 is an elevation projected from Fig. 3.

The characters ap aring in the description refer to parts own in the drawings and designated thereon. by corresponding characters. 7

The invention comprises a main frame 1 having parallel 1e? 2, the lower ends of which are connecte by a cross-piece 4 and brace 5. the legs is a rod 6 upon which is pivotally mounted a seat 7 having a rearwardly extending rojection 8 at each side thereof, and a U- aped prop 9 formed of a rod bent so as to have'upwardly extending arms 10, has pivotal connections 11 at the ends of its arms respectively at points in the frame above the seat.

A shackle is positioned on each extension 8 and consists of a ring 12 that encompases the extension and the adjacent arm 10 of the pro that portion 13 of the ring that exten s over the arm being arched and inclined rearwardly from the bottom of the extension on the seat to the top thereof. Each shackle is secured upon the corresponding extension by any suitable means such as a staple 14 placed astride the ring and driven into the extension.

A back 15 is secured at its top within the frame and has a sliding connection 16 at its to improvements in" Supported horizontally betweenv lower end with the correspondingarmslO the frame, asthe seat'is turned down, by.

reason of its engagement in the shackles on the The upward movement of the shackles on the armsof the prop is limited by the binding action of the shackles on the arms which takes place when the seat is turned down to its position for use. to the curvature of the portion 13 of the shackle, the arm 10 extending therethrough is forced tightly a ainst the'adjacent face of the extension w en the binding stage is reached and thus the seat and. the prop are held rigidly together when in operating position.

What I claim is 1. In a folding chair, a main. frame;'-a-

seat pivotally supported in the frame and having a rearwar ly' extending projection at each, side thereof; a prop member having arms pivoted respectively at their tops use; a back secured at its top to the frame and having asliding connection at its.bottom with each of the arms of said prop; and a pivoted brace at each side of the seat having limited sliding movement on the correspondin arm of the prop.

2. In a fo din chair, a main frame; a seat 'ivoted in t e frame; each side of the seat aving an extension at the rear end thereof; a prop member having arms pivotally attached at their respective upper ends to the frame at points therein above the seat; a shackle fixed on each side of the seat adjacent the rear end thereof and having a curved outer portion and encompassing disposed upon an incline from the bottom Owing v of the extension in front of the arm to a thereof i a prop mem er 'havingiarms rpivotpoint attlie topof the extension back d the arm,-* and bein operable to clamp the am;

against the si e of the extension when the seat is in position ,for use; pandu a piv otegi brace at each side-of the seat havin limited sliding movement on the correspon ing. arm.,--

of the prop. 3(111 a folding cha1r,:a main-frame; a

seat pivoted in the frame; and having a rearWard-ly 'projectin extension at eachside ally attached at'thei'r respective upper ends {to the frame at points-gtherein above the seat and 3 a shacklefixed .on each extension and "having a curved ionten portion and encompassing the said extension and-the correspongling arm of the prop, each shackle beingdispos'ed upon-an incline from the bottom of the extension in front of the arm to a point at the top of the extension back operable to clamp the arm against the side of the extension when the seat is in positionefor use. "In testimony: whereof-I aflix'iny signa- "ture. I x WI LLIAMQCQ-

Images