US1895897A - Folding chair - Google Patents

Description

Jan. 31, 1933. w. c. RASTETTER FOLDING CHAIR Filed Sept. 29, 1930 5 Sheets-Sheet l WIN-MENTOR.

BY M ATTORNEY,

Jan- 31, 1933.

W. C. RASTETTER FOLDING CHAIR Filed Sept. 29, 1930 3 Sheets-Sheet 2 m N w T T A Jan. 31, 1933. w. c. RASTETTEi-R 1,895,897

FOLDING CHAIR Filed Sept. 29, 1930 3 Sheets-Sheet 5 ,INVENTOR.

7 BY ATTORNEYS.

Patented Jan. 31, 1933 I V v. I

uNI'rEo"STATES WILLIAM c. RASTETTER, or FORT; wnvnnl mmana" if j FOLDING cliamf Application filed September 29, 1930. Serial No, 435,009.

This invention relates to improvements in The forelegs 1: are connected together and folding chairs, and the object thereof is to held fixedly in spaced relation with each provide a folding structure of its class conother by a cross brace15,and the rear legs stituted of few parts that is so constructed 11 are similarly held in spaced relation by'a as to afford a maximum of rigidity, and the cross-brace 16. The upperend-of each arm 17 fore and rear legs of which are relatively of the rear leg oross bra'ce, has a perforated locked when the legs and seat are in position xu-shaped' extension 18- in which a corre- I for use. spending rod 19 has sliding movement." The An illustrative embodiment of the invenupper-'endof-ea'ch rod is bentat rightangles tion is shown in the accompanying drawand extends throughth'e rear-end ofthe corings, in which responding side memherfi of the seat-frame Fig. 1 is a side elevation of a structure in and its lower end has ahead 20 made therewhich the invention is embodied, the chair on that comes into-contact with the lower end being in extended position and a portion oftheU-sha'ped extension Ofth'ecorrespond- 15 thereof being broken away; ingarm 17-of'the-cross-brace"16 seas-to} Fig. 2 is a front elevation of the chair in limit unfolding movement of the'seat -frame. folded position; and These rods'also, when the occupant is seated Fig. 3 is a rear elevation of the chair in upon the chair, being'enga'ged at their lower 1 extended position for use. ends by contact'of their heads 20 with-said The chair shown in the illustrative emextensions 18' which'a-re secured to the rear .bOdimeIlt 0f the in ention is comprised of a legs a substantial distance downwardly from main frame having side members 1 Whl h the seat frame tendsto stabilize the rear leg constitute forelegs, and an upper por ion 2 structure so that lateral strain" thereof'occaconnecting said forelegs in which is secured 'sioned by swayino' v t of th Occupant;

L 6 a back-rest 3. In said forelegs is secured in is thereby resisted and the sta-unchnessof the horizontal position a seat-rod 4, and upon rear: l g t ct ha d, 3 V i said seat-rod is pivotally supp d a Beat- One of the 'features of the invention-is the frame 5 Preferably formed f a Single arrangement of the links 12 in theirconnecwooden strip bent so as tohave parallel side tions with respect to the side members 6 of members 6 in which is permanently secured th t f a d the e di aj 80 a seat 7 that may be upholstered if so delegs sothatthein pivotal pointsare located sired. Upon the seat-rod 4 between the side substantially when the chair is unfolded and members 6 is disposed a tube 8 encompassing i iti n f u vin li t; jth the it which constitutes a spacer that prevents seatod 4' h b th f l d reap l inward relative movement of said side memstructure are locked in extended positionso 85 bers and upon said rod 4 between each side that ov ment of th fore and rear leg 'tov of the seat-frame and the adjacent foreleg 1 ward or from each other is prevented and is also positioned a tubular spacer 9, which their'extended positions are maintained untubular spacers prevent lateral movement of til the seat frame is" folded. Thus, folding the seat-frame relative to said forelegs on of the rear leg structure is dependent upon the rod. folding movement 'of the seat-frame. To each foreleg 1, upon the inner face "While the invention has been described thereof, at a point above the seat rod, is with particular reference to the illustrative pivoted, as indicated by 10, a rear leg 11, mbodi t, itiwill b nd t d th tth 4 d each rear leg is connected with the corinvention may be variously-modified and em by a link 12, one endof each link is pivoted I claim I I to the seat as indicated by 13, and its oppo- In a folding chair,--amainframecon site end is pivoted to the corresponding rear stitutinga back andforelegsya seat-rod seleg, as indicated by 14. cured in said forelegs; azseat-fra'rne-having responding side member 6 of the seat-frame bodied within the scope of theclaimsla seat thereon, said seat-frame being pivotal- .ly supported on said seat-rod; rear legs pivoted at their upper ends to'the main frame at points above the seat-rod; links connecting said rear legs respectively with the corresponding sides of the seat-frame at points thereon back from said seat-rod; members secured respectivelyto said-rear legs at points pivotal supportfor the seat-frame and hav ing sliding connections in therear leg structure at points therein spaced below said seatframe provided with heads adapted to limit .70

unfolding movement of the seat-frame.

In testimony whereof I *aflix my signature.

Y WILLIAMVQBASTWTER- thereon below said seat-frame; and rod PiY: H

otally connected with the rear'end of said' seat-frame and havinglimited sliding movement in the corresponding members. i, d.

QYIH folding chair, main frame constituting a back and forelegs a at includ;

ing a frame therefor pivotally connected be tween said forelegs; a rear; leg structure pivotally' connected with said mainframe; i Y '7 seat-frame and ,forelegs whereby limited iunr" I v b 3. In a folding chair, a main frame having 7 r so;

ing seat having a, frame pivotally supported links connecting said rear: leg structure with the'frame of theseat respectively at points located Vonthe'seat between the rear end thereof and thepivotalconnections of' the folding movement is imparted to. the rear leg 1 I structure as the seat is v-r unfoldejdgiand rods pivotally connected with the rear end'tof said Se t-frame and having limited sliding movementin the rear leg structure whereby unfolding movement of the seat is-limited.

side members constituting forelegs ;f a ,fold

by said 5 forelegs; a folding rear leg strucnected. with the-rear end of theseatjframe at points spaced rearwardly from theipivotal support for said seat-frame, and having slid-r ing movement in the rear leg structureand provided with heads on their lower. ends adapted to, limit unfolding-movement; of said seat frame.- Y

' with said ,forelegs a foldingrear leg strucv 4.; In a foldingchair, a main frame -.con- I stituting aback and fore1egs;-a folding seat member .pivotally supported in, connec ion ture pivotally connected with, said aforelegs; linked connections between the-rear leg struc:

tureand the seat-memberyand sliding con: 7 nect ons between said seat member and lower 7 portion of the rear leg structure provided with heads at their lower ends adapted-to limit unfolding movement of; said seat member and rear leg structure. y r r 5'. In a, folding chair, a main framefeon- V stitutingaback and forelegs a-folding seat V 'membercpivotally supported in connection with said forelegs; afolding rear leg Lstructure pivotally connected with 7 said 'forelegs and having operative connections with; said seat-frame by which unfolding movement of the rear leg structure is limited; and'rods connected at theirupperends with said seatmmQ PQ ntS pfli d rearwar'dlyfrbm the l

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