US 1830323 A
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Nov. 3, 1931. J. JUDELSON ET AL 1,830,323
DRIER Filed Feb. 8. 1929 3 Sheets-Sheet 1 h 65 X4 X6671 6/ $6 55 /6 h INVENTORS m /74 asfir/Kc/uaizsolv J J04 /U6 Juan a 0 A TTORNEY 1931. J. JUDELSON ET AL 1,330,323
DRIER Filed Feb. 8. 1929 3 Sheets-Sheet 2 /3/H/ J5 y o o O /O' 90 o G// 19 o o/ o o a 0 45 0 o 93 o a i o BY 71/ vi'dwaz:
OFFICE J LI s upnLsoN Ann sLBEn'r 1r. YJtip'nnso nor NEW Yemen. Y.
DRIER 'iA pplication 'filed .February til1329. Serial No. "338,496.
JThis invent'ion relatesto driers.
. drier of the character described having ,means for preventing'esc'ape ofthe heat from the drying chamberwhenthe latter is'openedy. thus eliminating'jany discomfortto the user An object o'fthe inventifonisto provide whenhaving access to-the drier. ,In' th'is connect on; a furthermore practical object p tel described orlinherent on the structure herein j-described,"and which shall .yet be is to' 'pro'vide in such driermeans automati' callyl' operated uponflropening and closing of tile door of thedrying chamber for con-1 trolling the heat supply.
Anotherob'ect' o'f'the invention is to pro vide a drier of the character described having the advantageous featurejyaforemen tio ned, as Well as other advantages hgn einatrugged and compact, simple in construction,
and economical and efficient to a high degree.-
Certain features herein shown-and described; are shown describe'd, and claimed incur .co-pending application Serial No. 3385497, filed: February;8, 1929', are shown and described," but not claimed the present application. H V Other objects of thi's invention will inpart I- be obvious and in out 7 ing I claims.
part 5hereinafter pointed V "The invention accordinglpronsists in the application will be indicated'in the follow- In theacc'ompanying drawings, in which 'fis shownione of the various possible illus- 'trative embodiments of this invention;
Fig. 1 is a perspective View of a drier embodying the invention Witlravdooropen;
Fig. 52 is a-cross sectional viewtaken ongline-2-2of Fig- 1;
Fig.3 a cross-sectio al View taken on line 3-3 OfFig I '1 Fig. i is a cross-sectionaljview similar to Fig.3 but with the cabinetdoorclosed ;i' Fig. '5is an enlarged cross-sectional View of the shutter mechanism;
the rack support.
" Fig. 6- is a fragmentary I cross-sectional View taken'on line 64-6 f Fi 3; and
Fig. 7 is an enlarged View of ti f supported on legs 12. The cabinet comprises a front wall13 rear wall ll, side walls 15 andlfi, a bottom wall 17 and a topwall 18. Said Walls maybe of any-suitable construe tion, being preferablyof sheetmetaljointed at: their edge portions by inner and outer angle members 19 and'20iveldedrsoldered or otherwisesecured to said :edge portions.
Mountedlinithe lower portion of the .cabinet'i's a heating unit H, comprising a thin sheet metal box 21 extending substantially the entire length of said cabinet. Said box may be supported on the bottom Wall: 15 as by mounting said box on a number of spaced brackets 22. .Each of said brackets com.- prises vertical legs 23 disposed at the .front. and rear walls 24, 25 ofthe box, and having feet 23a resting on said wall 17; Theupper i portions 26 of said legs, are slidably received in vertical looped members 27 secured to said side Walls 24, 25. Axhorizontal cross-member. 28 riveted or otherwisesecured at its, opposite ends-to said legs 23 contacts the under side of saidbox; for supporting thewe'ight of the latter. The heater here-shown, is of the 'as burning. type, receiving its gassupply" y pipe 30 extending into the cabinet thru'jasuitable opening in the side wall 16.
The latter may be providedwith a screened door 31for permitting access to'the' gas :bur-ners (not shown).
' The upper portion of the cabinet 11 constitutes a drying chamber 32'receiving air heatedby theheating unit and rising thereinto by convection from the lower portion of the.
cabinet. Mounted in said chambery32' is meansjfor supporting clothes or other a1 ticles to be dried. Said means .comprisesaza pair of spaced looped bracket members 38 secured to the inner surface of the side flange of each of the vertical inner angle members 19 and Jforrning vertical slots 34. The looped members 33-fixed to. the angle-members at the front of the cabinet are preferably lower i I than those at the rearof the cabinet. De
:tendingat right vangles thereto.' Adjacent -the outersendsthereoi, each member 35 1s provided with depending tongues 38 slidably received in their respective slots 84. It Wlll be noted-that the rack members '35 at each side of the cabinet are inclined to the hori zontal, being higher at the rear ends there of, and are parallel to each other. It will I or other articles, the. heat escaping fro-mthe be noted also that the upper and lower niem bers85 at one side of the cabinet are aligned with thexupper and lower nembers respectively at the opposite sides ofthe cabmet. The upperedge portionlof the vertical flange 360i. each member 35 is-formed with a plurality of spaced vertical notches 40 providing semicircular edges 41 for a purpose hereinaiterappjearing. Said notches 40, are preferably. equally "spaced, thenotchesin the rack 'membersf35 on one side of the cabinet being aligned with the notches in the mem- 'bers '35onthe oppositev side,while the notches in the upper V rack; members are. preferably in non-alignment ornin staggered relation to thenotches inthe lower rack members, as isclearly shown in EigsBand 4. Removably mounted gonsaid rack members 35 are tubular raclzbars 42 each bar being received in a pair of" aligned .notches 40 and resting on, the semi-circular edges 41 .of said rack members. It will now be understood that said rack bars are parallellydisposed, and that the bars in the upperrow are staggered with respect'to thebars in the lower row thuspermitting clothes hung on the upper bars.
to be clear of the clothes hanging from the lower bars. For the purpose of illustration only, two rows of bars are shown, having six barsin eachrrowb Obviously, any suitable number of rows or bars in each row maybe 7 provided. It will be noted however,that the cabinet'is-wider than it isdeep, andthe rack bars are. relatlvelylong, and parallel to the front-ofthe cabinet. By reason of such construction, a maximum length of bars is'p'rovided'forsupporting the articles to be'dried and all of the bars are within convenient.
reach of a person standing directly in front of the cabinet. 1 1 1 For permitting access to the drying chain ber'32, the-front wall 13of tl'lQ CELblHBtQlO is provided with a substantially rectangular;
' opening 44 in the upper portion thereof, the, edge portion-45 of said wall at said opening" being bent inwardly and thenobliquely toward said. wall asat 46.. Hinged on said frontwall 13as at 47,48 are doors 49, ,50 re-' spectively, adapted to coversaid openings 44.
One'of said doors is provided with an edge portion 51 adapted to overlap...the adjacent tates I edge portion52-ot said other door 5t) upon closing the doors. Thus when in closed position, door 49 must be swung outwardly before door can be'opened. Said door 49 may be provided-with a handle 53 for openv ingand closing thesame. Abent plate spring 154 secured to the front wall 13 centrally above opening 44 isadapted to contact an edge o1" position. I I r In practice, it has said door 49 for retainingthe doors in closed bcr is open, for removing or inserting clothes chamber causes, greatdiScoiritort to the user. A dominant feature ofth sl-nventlon resides in the. provision of means for automatically enclosing the heating-chamber upon. opening bers 55 are secured. to side walls 15,;16 'somewhat above the heatingunit 11, Each'member 55 1sprov dedwitlra horizontal, inwardbeenfound that in the w use of ducts of the general type herein referred to, when the door to the drying cham- To'this end,a pair of ly extending flange 56. *FiXedly mounted on sai'dyn iem'bers 55 is a rectangular panel or frame 5'1 having front and rearport-ion 58, 59 disposed adjacent front and rear walls 13 and 14,.and side portions60, 61 disposed adjacent side walls 15-and'16, The side por-i t1ons 60, (61 are ofangular construction and comprise outwardly extending horizontal flanges 60a, 61a respectively, secured to the upper face of'said flanges 55, and depending vertical flanges 60b, 61b. Mounted' onQsaid frame 57 is a sectional shutter GQadaptedto substantiallycover the opening therein. As-
shown in Fig. 5 the shutter 62 comprises four parallelseotions, theinner sections63 and 64 being similar in constructiomand the outer LUZ:
sections 65 andbtilbeinglikewisesimilar in construction except as hereinafter described.
vEach of said sections is preferably madeot 1;
two-piece stamped ,f-sheet metal, shaped to provide parallel spaced walls 67, 68. Felt,
asbestos or anyother suitable'heat insulating material 62a maybe stulfed between said spaced walls. Instead of a double Wall 0011- f stir-notion, these sections may be made of heat lnsulatlng material such 'asj'asbestos board and the llke; In eachof sections65, 63,64.
the rear edge portion 68a ofthelower wall 68 is bent upwardly into contact with the upper wall 67, and therear edge'portion 67d of said 'upper wall is bent over saltportion 68a, to form a seamed edgeportion69h In each of sections 63, 64 andj66. the front edge port-ion 6860f the lower wall 68 is slightlv depressed, and the front edge nortion 677) of the upper wall BT-is likewise depressed into contact withsaid edge portion 68?) and is then bent over. said edge portion to form a depressed seamed edge portioni70, In the closed igaaaazer.
V position of the shutter 62; the seamed edges 69 are adapted tocontact withsaid depressed seamed edges 70., theseotions thereby remaining in alignment; In section66 therear edge portion 6800f the lower'wall 6.8 is bent down,
wardl yyand the rear edge portion 670 bent downwardly and over sa-idr-edgeyportion 680 to forin 'a dependingseained edge portion A '71. In section ;:the'front edge-portion 68d 4 ofthelowerwall68 isjbent'downwardly and the front edge portion 67d ofiupperwall 67;
is-likeivise bent downwardly and then over saidrcdge portion 68d, to form a depending seamed edge portion :72. Sand depending edge portions 71, 7 2 are paralleltoa-nd sligh v ly spa'ced'from thefvertical flange. portion of th'e jrear"andiront sides .59, 58 respectively, of frame :S'Lto give the clearance necessary .to permit movement otsections 65, 66 into and out of closed-. sh utter pos1t1on. Said sections are: mounted for simultaneous pivotalmovement for openlngand closing the shutter. :To this end, small blocks are secured totheunderside'of each section atthe opposite ends thereof in alignment with the longitudinal axis of said section.
Each of said. blocks 75fis-provideduwith an outwardly extending pin 7 6 journalled in suitable bearingqopenings formed. in Stud depending I 'anges 606,616. Securedtothe uppersurface ofeach of said sections 65, 63,. 64 66 adjacent side portion. 60' of the frame 57, are
' spacedangle supports having horizontal flanges 79-riveted to said sections, and inclined vertical flan es '80. A single rodSl disposed "between-said vertical flanges 80 ex tends, across said sections. and, 1s plvotally secured to theupper ends ofsaid flanges by terjautomatically upon opening door 49. To
pins 82; It will now-be seen 'that movement of rod 81 will sii'nultaneoi' sly move all of the shutter sections. I
' Means is provided; for opening said shutthis end,- a strip ,83 is. securedat its opposite ends; to anglemeinbers 19 at the front and rear, of side wall 15. Said, strip;83 is prefer.-
' ablydisposed above frame 57 and below the a bottom o1": door opening a l. Pivotally mounted-onsaid strip 83'isjaflat lever 84 ;parallel to said. side wall 15. The lower end 85 of said lever is substantially of the height I, of barol'and is connected; by a link 86130 a pin SGa-iiite'grally formed'xwith said bar8l and extending outwardly therefrom. The
i'=lT=- .upper -end 87 of said lever 8411s bent away I, from-side wall 15 and upwardly as. at 88. A ;*link .89, connects said end portion'88 with a bracket :90 fixed to the lower portion of said tically disposed, thus permitting the air surrounding the heating unit and heated thereby, to rise into the drying chamber. Upon opening door 49 (which must be opened be fore door 50 -can be opened) link 89 causes counterclockwise rotation of lever'84l- (looking at Figs. 3 and 4) and a force is thus transmitted thru link 86 and pin 86a for mov ing bar-'81 to the right for closing the shutter. It will now be clear that upon opening the doors of drier for hanging or removing objects onv or from the rack bars 42, the shutter automatically closes; thereby preventing risecf'heated air to the drying chamber.
Escape of hot air and vapors thru the open door is thus prevented and a person standing directly in front of the drier may use the rack without being discomfited by the heat.
Supported over said shutter, as on brackets 92, is a screen 93 for catching clothing or other articles that may fall from the rack bars. 42; Said brackets are preferably of inverted U-shape, being provided with legs 94 supported on the side portions 60 61 of the frame 57.
For venting theburnt gases from the heating unit and the moisture laden air from the drying'chaniber, aspirator 95 is fixed to the back wall 15 of the drier. Said aspirator comprises a vert cal channel shaped member 96 extending partially beyond said back Wall,
and a plate 97 covering the open side of said channel. Said plateis preferably provided with anumber of openings 98. Intcrconnecting said aspirator with'box 21 of the heating unit, is a short pipe 99 for permitting passage of burnt gases from the heater tos'a-id aspiratoiz' A channel. shaped guide member 100. having a bottom closure 101 is I housed within said channel 96 and adapted:
aspiraton. A back draft preventor 102,1de
scribed in: greater detail in co-pending ap-- plicatien No. 253.01%, filed February 9th,,- 1928; by Julius Judelson, one of the joint inventors herein, is. mounted at the upper end portions 103' ofsaidi aspirator. As will begreadily understood that the upward flow Ofiblllllfi gases from the box 21 will draw themoistu're laden air in the drying: chain ber thru said openings. l The top and bottoniwalls 1.7, 18-arc formed with alignedv spaced openings. Mounted over said: openings on legs is a hood member.
Obviously, air will enter the openings in 106v to" carry said gases upwardly within said the lower wall and pass upwardly thruthe" heating, chamber and drying chamber and out thru the openings in top wall 18. Said openings are in the nature of. means, auX-' iliarly-t-o aspirators 95 for clearing the drymg chamber of moisture laden'air and for" ensuring aneflicient circulationof air thrir the drier. I
:It willthus be seen that: there is provided I a device inwhichthe several-object's of this invention are achieved, and which is well adapted to meet the conditions of practical" use. 7 1
As various possible embodiments might be made of theabov e invention, and as various changes might be made in the embodi ment set forth, it is to be understood that all matter herein setforth or shown in the accompanying drawings is to be interpreted as illustrative and not in a hmitingsense.
, Having thus descibed'our invention we claim a's'new and desire to secure by Letters Patent 5 1. A drier comprising a cabinet having a drying chamber in the upper portion of the cabinet, a door for said drying chamber, a
heating chamber in the lower portion of the cabinet said chambers being normally in opencommunication whereby a heating medium can pass upwardly from said heating chamber to said drying chamber, means for shutting oii communication between said chambers when said door is opened comprising a shutter interposed between said two chambers and movable from an open position to a closed position, an operating lever connected to said shutter, and a link connected to said'door and to said lever for 7 chambers for cutting off communication between saidchainbers, said means comprising a shutter having. a plurality of parallel, complementary sections pivotally mounted on said cabinet,-a rigid member having pivotal connection witheac'h or? said sections, and means for moving said ,member, said last named means comprising a door mounted on saidcabinet and means for operatively interconnecting said doors and said rigid 1 moving'said sections simultaneously, each of member. 7 V
3. In a (1116131111 combination, a cabinet having a heating chamber and a dryingchamber, and'means for cutting offcommunication between said chambers, saidmeans comprising a shutter having a plurality of parallel complementary. sections pivotally mounted on said cabinet, ,a rigid memberv having pivotal connection with eachof said sect1ons,and
means for moving said member, said means including a door mounted on said cabinet,
alever mediatelypivoted on said cabinet,
and links connecting the opposite ends of said 'lever with said" door 'and member respectively. I
drier-comprising a cabinet having a drying chamber'in the upper portion of the cabinet, a-door for said drying chamber, a
" heating chamber in the lower portion ofthe cabinet, said chambers being normally in open communication whereby a heatingmedl um can pass upwardlyfrom said heating chamber to said drying chamber, means for shutting oii coimnunicatioiibetween said chambers when said door is opened comprising a shutter interposed between said two chambers and movable from an open position to a closed position,,.said shutter having a plurality of pivoted sections, a-rigid member interconnecting saidsections, and lever mechanism connected to said rigid member and vto said door forYa-ctuating said rigid member to move said sections to close the shutter when the door is opened.
5. A drier comprising a cabinet having a drying chamber in the upper portion of the cabinet, a'door-for said drying chamber, a heating chamber in the lower portion of the cabinet, said chambers being normally in open communication whereby ,a heating medium can pass upwardly from said heating chamber a said drying chamber, means For shutting ofi communication between said chambers when said door is opened comprising a shutter interposed between said two chambers and movable from an open position to a closed position, and lever mechanism having an operative connection with said shutter and with said door whereby said shutteris closed when the door is opened.
6. A drier comprising 'a'cabinet having a drying chamber, aheating chamberand a door for said drying chamber, and means for cutting off communications between .said chambers, said means comprising a double walled movable member and insulating material disposed between said walls, and means tor moving said member automatically and simultaneouslywith movement of sa-id door.
7. A drier comprising acabinet having a drying chamber, a heating chamber and means for cutting off communication between said chambers, said means comprising a movable shutter, said shutter comprising a pinrality of parallel sections, and means for said sections comprising a-do-uble walled said walls, adjacent'edgeportions of said sections being bent and adapted to overlap upon moving said shutter to. closed position, said sections being otherwise in thesame pla'ne'when said shutter is in closed position. In testimony whereotwe afiix our'signatures. i I
--:i;JuLiUs JUDELSON, 1 i LBEnT -I. JUDELSON.