US 2326910 A
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1943- G. w; YOUNG 2,326,910
CHAIR Filed June 18, 1942 INVENTOR ATTORNEYS o I Patented A 75 4 in Flushing} ass gno to 0.- ln a utr v mre i ni i. ew Y 119 .2, ser
"Gai s-iii (c 5 mg not inane-the 1*ThiS "inventionrelatestoreelining'chairs'and r N n M t n Ijjacenti theseslots: are prone has 1for, ,-it's object the; provision of' improved the chair. I
adjustably mountedfwithin theback frame, terminates in pins, eachof which lies within one means for varying the'inclination of the back of -f pair. of adjacent slots. When the:'crossbaris; in
" its upermost position the pins lie at the-upper ends of the ,slots, each pair of slots forms, in pro- J'ection, an inverted V, a'nd the'back frame'is in i hen the footrestirame s extended, as shown 7 in-Figure 3, supportfforthe rods I1 is removed, ,whereupon the crossicar, 'andits pins drop' into the position-shown in Figure-3 and the back n frameswings'to therear to'occupythe reclining 1 position shown infthat. figure; this position the'lower ends of the slots one limiting positionjWhen the cross-bar-is in its lowermost position the pins 1118 at the lower "endsof the slots; each; pair of slots-forms, in
, prbjection; an upright V, and the back frame is in the other 1i'miting-position. To raise and lower the cross-bar and thusjvary or adjust the I inclination 0i." the back Ofthe chairQI preferably utilize the frame of a sliding iootre'st which is housed 7 within the baseofthe chair when not inuse The rear endsjof the side rails-of this frame are provided with sloping cam faces which engage rods depending from thecross-bar. jMovem'ent of the footrest raises or lowers'the-rods and the cross-bar and thus changes the inclination of the "back. V
In the accompanying drawing I have illustrated j a chair embodying apreferred formof my invention. In the drawing vFigure lis a vertical longitudinal section through the chair, takenX along line l'l of Figure'2,;jshowing the footrest housed within-the base of the chair, and the back in its forward-0r" upright position; Figure 2 is a transverse section takenalong line'2 2 of Figurel; Figure 3 is a'view similar to Figure 1, but showing the footrest extended and the backin reclining position, and Figure ,4 is a' fragmentary horizontal section taken along line 4-4 of Figi ure 1. v i V I The chair illustrated in the am-wing com- 'prises'a'base I ,a seat 2, arms 3 and an adjustable back] comprising a frame 5 and a backrest 6. The baseisupports at the rear of its sides a pair of ba'ck'posts ],.between which the back frame ,5 is pivotally mounted at 8. Housed within'the base is a 'footrest 'comprisinga frame 9, the side rails of which are slidably mounted withinguid'es 10, and a collapsible footrest proper H. The
seat is provided with the. usualremovable cush- ,The innerupper face of each back post I is; I 55 provided with an upwardly and forwardly extendop ositely inciine s qts l 4; side's-of "the namea is a her the pins I6 lie within the rods at the upper. ends of the cams upon th side rails of the frame 9, as shown in Figure 1.
,a cor esof th I n I izontal crossebar l5 terminating in pins I6 each cross-bar l5 'are-tw'o' rods ll; passing through guides l8 on thebase and engaging'fin theposition shown inFig'ure 1,thefsiderails1of the footf rest. This engagement with tl'ie' 'footrest hfolds f .7 1 therods l lnthe 'cr'oss bafr [Sand the pins 18 in their uppermost position with the pins lfi lying I 7 'within the upperends of the'slots l3 andil4. 1 ".which,'-as'shown in; Figure converge to' for m,
in projection, aninve'rted V. I
I3 and 14 which converge to form, in projection, an upright V.,. When the footrest frame'islex tended, the-footrest proper should be swung up? i wardintojoperative po sition,'asshoWninFig+ To frestore fthe" chair from the reclining position, shown in Figure 3; .to the uprightlposition shown in Figure 1', the footrest; proper II is collapsed and'the rfootrestsframe shoved intothe base; Therears ends of the siderails. of the frames are provided withsloping'cam faces l9 which engage the lower ends of the-rods I! as therframe 9 is moved to ,therear, and raise them and the cross-bar15. fThis-causes the pins Hi to travel upwardly in both pairs of slots I3 and i 14 until they, reach theposition shown in Figure 1 at the upper ends of those slotsfi In this position I! have passedup the cams l9 and rest There is usually suflicient loos'eness ofnt between the pinis l6 and the slots is and I4, and
between the rods [1 "and'their guides I to per; mit the parts to adjust'themselvesto theirdif ferent positions and this play permits easy ad- V justment. of the several parts, Because, of the "weight of thecross-bar I5 andthe slightly rear; 7 ward slope or the back frame 5 when the parts are in the position shownin Fi'gurel, withdrawal lot the -footrest ordinarily causes the back toswing finto reclining positionuhder the influence of gravity; c l c v a The chair b ack frame i adi f with 'similarg' butl H I ying between the i of which extends; 7 r into one pair of slots l4 and 13;} Depending from of .my invention is simple in con struction and" operation. There is nothing to get 7 out of order and the back can easily and quickly be changed from upright to recliningposition and back again.
1.- -A chair coinprising a pair of back posts, a"
" back frame pivotallv mounted adjacent the posts,
an inclined slot in each post, slots in the sides of the frame adjacent the slots intheposts fl-ndx p the-sides of the frame, pins on the cross-bar, each d 7 extending into agpairof adjacent slots, a rod eitframe. slidably mounted in the base, cams on the rear 01, thefltootrest frame and rods extending V downwardly from the cross-bar and engaging the cams, movement' of the footrest frame raisin 5 "clination ot theback frame.
and lowering the cross-bar and varying the in- 3. A chalrcomprlsing a base, apair of back postsat the rear'oi the base, a back frame pivotpositelylnclln'ed, "a cross-bar extending between :ally niounted the haseibetween j the posts, a slot" in eachi-post; inclined upwardly and 'forj Wardly, slots in the-sides or the'frame one adjacent each slot in the post and oppositely inclined,
tending downwardly from, thecross-bar', and a.
movahle cam inthe chair engaging the rod to raise and lower the across-bar the iii- 1a clination of the backwfr'aine. M
2. A chair comprising a base, a pair of back posts at the rear of the base, a'tback frame pivot 5; ally mounted on the base adjacent the posts, r inclined slot in each post, slots in the sides 0120 the frame adjacent the, slots inthe posts and op positely :inclined; a cross-bar mounted between the sides of the trauma pinson thBCI'OSS-vbfiil' each extending into a'pair of adqacent a footrest a cross bar mounted between the side of the frame, pins on 'thevcross-bar, each'extending into a pair or adjacent slots, a footrest frame slidably *mountedin'thebase; downwardly and rearwardly sloping on the rear of the side rails of the footrest frame; rods extending downwardly from the cross-bar and engaging the rails,vmov'ement of the iootrest' frame raising and lowering the V cross-har and varyingthe-inclination of the back fra -e v T -ZG' Q GEW- Y W