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Publication numberUS1772581 A
Publication typeGrant
Publication dateAug 12, 1930
Filing dateSep 15, 1928
Priority dateSep 15, 1928
Publication numberUS 1772581 A, US 1772581A, US-A-1772581, US1772581 A, US1772581A
InventorsPowers Timothy B
Original AssigneePowers Timothy B
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US 1772581 A
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Description  (OCR text may contain errors)

T. B. POWERS Filed Sept. 15, 1928 Aug. 12 193 2 Sheets-Sheet 1 I TB-Tbwers 33137215 Sum,

Aug. 12, 1930. T. B. POWERS 1,772,581 f Filed Sept. 15, 1928 2 Shoots-Shoot 2 TB-Tourers teenage filed Se tember I s s i lv'ent en shits "reference to a chair 0ir ch ithe seat member is rotatable and are, secured tefthe letvei-ends'ef 1 l I The base member as shown coin rises,

h fa ble adj ustable for different bevethe'fldory The main object is" t6? 'on the base] t H j circnlervb'a lsiheights a l q 1 t pr o'i ide unimproved concave slightlyextendlng upward intfthe" center; with a'mll of head Q 1 "at themargins;

chair, in which the :b'ase or he usual feet oi'legs, in several directions, .in that" they will be the userfgef'ithe chair; r-he tiltedpnthe edge e plate'fendthen 'rblled flocationiand avjoid the fmarf O'rinfloor slipportisw that extend outwardly 10 end are objectionable" engaged by the feet bf end which chair' also ca "c rlmargin of the" has secured to project upwerds attheeenterfcf thelbase leteg' indimayhave adisc 1 3" with andi seciired t0 the hat post" 12 serves to r otetebly suppeigtfei" heme 'senlate by rivetsF The l that agdjusta bly carries, the "seat "member; the-freer bars 8f'and 91 it pair of ai1gle bars this; chara c and ,[which' ailsois'a' 20"vati0nsf0fthesee v the accompanj ing' drawin and are 'thlist spaced apart 'perallel': for such LY n enihi'; as she W11} which bars: are preferably iprcyided with adjustable means of "securing s ishcwingj 4 bodirneiitef thein f igure 1 is aside 'elev end apertured at the middle part toreiceivea pin 20 [oil thetop of the post 12 hi mp l v Fig. 7- shows'th COIIDCCtlOIl.

551321; emethe bi l h inge Fig. 8 i's'asectionionthe line 8 s5Fig.-7

t e e w er r e ot ffp j,are rb dt ly js'upperted'dnfthepostandithis-fieine efftoui- .c embers thus-slippoitsthe seat memberythat ean rqtate loii the ba e 11am and post; "A

Fig. 9 is a detail of const ucti on 'of the adj- 35 justingmeans for the platef19andithe top of the posti lg, th t wfin mprises essentially mber; anda basecri h'mey be further promber, made adjustable he device/as shewn co two members, a seat me "floor member, and'whic a back me ascpmprising a with a crossbar 1 ennder side,-end tedto the ends of Wnwardsg At the The seat member is shownseat 2, that may be of weed, secured atrthe fr ont onth angle bars '3 andtare seen the cross bar end extenddo chair is turned, as Weuld: fa 'lnetal bearingff "a cross angle plate I d are alsq conneet di tance as to; 's'lideablyr ceive d up-i; pert the' said {angle her s8 :indfQp fthe seat 'op'adjust'ably s m the sliding are 8; 11nd l 9 ofthe seat member; in'i the suppo' rtin l5itndl 6 ofthe basemmbe I provide rear ofthe seat is across under face and fastfto' at each end, as Send 6. 11:50 9 are secured to thesebloc bar .5 secured to-its a supporting block Angle bars 8 and ks andextend down seat bars-'8 and 9are pr0vided with'netches 33,5335 that will register"successivelywith j t .v A H q will .26, wi th: bent lend z and 28 tha are T .iivotd I edge p o plates are hinged to a hinge, plates 41 ateach' end'of the rest.

ce se 16. The bail member near its ends will swing down into the registering notches on each side and thus lock the bars together in the adjusted positions; so that a considerable range of adjustment of elevation of the seat member is provided. It will be understood that all oi the positions of adjustment, t e cular base plate. It will be obvious that there are no projecting legs or feeton thebase of user, especially if the chair is use; and that the base or margin will not floor, and does not requirecastors; m be tiltedato untangle of about 45 degrees and then rolled on the edge of the discbase the floor to ano her position in' the great ease-and not scratchflthe turned when in mar or injure any la backmember. can be applied to seat, :and for this. purpose :the. locks have slots 34, 34, in .whichislide bars 35; that may be. locked in adjusted posiews 36 in the blocks,that turn in tbifiaded holes in the blocks that are angular to'the bar s-i These bars 35 are connected at :aicro'ss rod 37. On each bar 35 plate 38 at its lower ,end below w t d :1 end of the bar, andthe upper ends 7 38 has three holes 43,that re ister with a hole 44 inthe end each 1m.- and a'rthumb screw 45 passes through irigholesto lockthe bars in ad- 'tions. Headed studs 46, 47, on the but; 1 516, engage. the edges of the bars 8 and thereof.

slide thereon and prevent. displace- Q desired a foot rest may be attached at thfilower part of the seatmember that-moves u .ahdfiown, and which can be adjnsted, .and removed, As shown a bar is back at each end portion, 51',K.52,,and

these ends enteriblocksfl 53,5 t,. see Fig. 9. These blocks are secured to the blocks 3 and by suitable means, and eachhave a channel ggi'tionbfiat one side of which is athreaded e 56, that contains a bolt--57. This bolt when advanced. will press the bars downiinto the channel and securely holdthemx in. ad-

iui edf positionsas shown.

What]: claim is z--- i 1. Imachair, a seatmember comprising a seat having an upright bar secured thereto on each side at the-front, a supporting bar secnrediwatkthe lower end of each said upbars withtheir upp)er .endssecured at m ithe of 'the seat Inem er, a basemember comprising a pairof inclined angle bars, a cross angle plate connectinghthe upper parts of the latter bars with an apertured flange pontion extending horizontally, a second cross angle plate connecting the lower'ends of. said mmber'icanbe rotatedon the cirplate with the beaded The chair on each side atthe front,-

flat'back rest of August, 1928.

latter bars with a horizontal apertured flange,

a fiat dished base plate, an upright post se- 2. In a chair, a seat member comprising a seat havin an upright bar secure thereto on each si e at the front,.a supporting bar secured at the lower end of each said upright bars with the upper ends secured at the rear the chair, that might. strike thevfeetof-the ofthe seat memher a. base member comprismg a pair of inclined angle bars, a cross an- :gle plate connecting the upper parts of the v v 3 In achair, a seatwmember comprising,

theseto b n cured at the other end ot each. bars andaprovided with notchesin cm'mn we t ess;

being connected a seat hawingan uprightibaa' secured notched bars on each side, a flaun -member comprising alpair of. notched bars including a base member carrying the lattern secured thereto in position member notched bars slide thereintu hmng the difierentnotches into register, saidfloor member notched bars each:having aslit portion bent out to. form an cane-bail me 1' having its'q'endsbent to swing, down i into the said register notchestolock the seat member in ad usted positions on the floor member. 7 v Signed ratNe'w Yonla N. Y., this 29thfday "EIMO'JIHY, B. Pawnee.

pertinm said seat member at the reel to. the upper ends of. the

torhavesa'ulseatl andpi voted in said cars

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3151910 *May 29, 1963Oct 6, 1964Arvid LarsonFishing chair
US3951449 *Jan 30, 1975Apr 20, 1976Crowther Hearl LDual bar stool system
US4768831 *Jun 2, 1986Sep 6, 1988Bohusgruppen Ett SamhallsforetagArrangement for an operator's seat with a foot control
U.S. Classification108/141, 297/363, 297/423.38
International ClassificationA47C3/20
Cooperative ClassificationA47C3/26
European ClassificationA47C3/26