US2385908A - Refrigerating apparatus - Google Patents

Description

1945- G. M. ARMSTRONG 2,385,903

REFRiGERATING APPARATUS Filed July 18, 1941 2 Sheets-Sheet l INVENTOR.

BY M 42M (5502a,: I1. Qirmsrlgquc.

Oct. 2, 1945. G. M. ARMSTRONG 2,335,908

' vREFR-IG EIRA'I'ING APPARATUS Filed July 18, 1941 g s heets-shet 2 whale/var UNITED fs' ATEs OF I E i itEFitrqE tA'rINq'nrrARATUs" George M. Armstrong, Grand' ltejpids; as

signor to Nash-Kelvinator (lorporatiomlletroit,

Mich acorpo 'ation of Maryland J i Y Application .i l' is, 1945i, Serial No". 402394 icnimI (craze-f e), u I The present invention relates to refrigerating extendin'g' to 'the rear panel 32, and between the apparatus, and more particularly to cabinetconsidewalls '30 is a partition wall38 which divides struction. I thecasing 26 into upper-and lower compartments. It is an object of the present invention tojpro- The Wall 38 is preferably welded to the side wall,

vide in a cabinet having an'inne'r and: outer I rearfflwall and portion 3| The lower compartcasing an improved means for the securing and meht serves as the machine compartment for a supporting of the inner casing to the outer cas- -1 eirigerati1'ig' unit," and in the pp p ing. a fi rri'ent i's positioned theinner liner 21.

It is another object of the present invention f Thelineril comprises of top, rear, bottom and to secure and support the innercas'ing-compris sid"- wai1s whi h are p i l r l t on to the ing the food storage compartment by vertical f walls-oi the'o'uter casing andbetween which are rails which are attached by their ends tothe positionedsuit'able heat insulation material 39.

the inner casing.

outer casing to provide a sturdy structure with; The lineri'orms' the 'walls or the" food storage out chipping or otherwise marring the'enamel' f compartment AZ-and is preferably coated with 7 i vitreous enamel; such; as porcelain. .An access The invention itself, however, both as to its Opening 4Utoti1e food storage comp r ment is organization and its method of operation, t'dformedin' the'front wall- 0f the liner which is gether with additional objects and advantages I i' d y' fia' i 'o y' op, bottom and thereof, will best be understood ,fr'oin thei'iolside walls, asst 42'; The marginal edge of the lowing description of specific 'embodiments'whn nfoiit wan-t2 is bent at right a'ngles to form a read in conjunction with theaccompanying' draw,- 'rearw'ardly= extending: flange 44 parallel to the ings, in which: side'sfo'f-the liner:

In the drawings; I v Ext'ending' vertically adjacent to a respective Fig. 1 is a front elevational view with parts "sidewall-"4'5 of liner 2i aresupp rails broken away and parts shown in section or a 'and"4'9'.""'lhe rails are Posi d ja e t t cabinet embodying the present invention; Torward'edge or' the' side walls; and its forward Fig. 2 is a fragmentary cross sectionalview g tudinal edge marginally bent t e end taken along line 2- 2 of Fig. 1; r angularly as a wedge into the corner formed by Fig. 3 is a cross sectional view taken along he' f e i a i a f h flanee M. The rails line 3-3 of Fig. 1; and I 1 1 are 'each aiiixedto" the wa1l's'45 by means of Fig. 4 is a fragmentary cross sectional view 'sgt'uds'flifi having threadeds'hank 5'l that isadapttaken along line 4-4 of Fig; '1. 3 fefc'lfto extend through opening in the side wall Shown in the drawings is a refrigerator 'c'abi- 45 and thread into "a speed nut 52 formed as net 20 having a food storage compartment 22 fall' shaped ciip and fric'tionally attached to the and a machine compartment 24 insulated therefraill'i- The-stud tu projects into the food storage from. mpartm m and is provided'with a covering 54 The cabinet 20 comprises an outer shell, casto' serve as a support for a'respective shelf 56. ing or liner 26 and an inner shell or liner 21. By thus attaching the inner liner to the outer The t r casin -26 comprises t p wall 29 and casing, it has been found that no strain is placed s Walls 30 r d as a u ita y st u tu upon the Iorwarci corners or other parts or the in r ll d fr m a s n le s t f ta and t0 liner, and accordingly the possibility of chipping which 18 secured by weld a panel 32 forming t the porcelain from the liner is obviated.

rear wall of the cabinet. The front wall is formed med at opposite d of the fails are by flansmjg mwardly the margmal edge of T shaped brackets 59 having one leg thereof extendtop and side walls, as at 34, thence doublmg mg flush against the rail and secured there the metal upon itself to form the wall 34 of douagainst by weld and the other extendin ble thickness and continuing the metal adjacent Wardly right an les to n g ly along the side and top wall a determinable dist 1 t 60 g e over. respec tance to thence be bent to extend spatially pargusse p e A gusset plate t secured m allel to the front wall portion, as at 36. A cross faach 9 the four comers of the opening formed member, 31 is secured in alignment with the front m the front wall of the opter casing and is wall 34 between the side walls so and is simicured by Weld to the rear side of the flange 3 larly formed having a wall of double thickness Each Of the gusset plates e for d with inspaced by a parallel wall in alignment with the Wardly Dressed portion to P vide a recess fo wall 36 secured to the rear of member 31 and insertion of insulation spacers 62 between the gusset and bracket 59 which are secured together by means of'screws 64.

The above described arrangement of parts permits an easy and quick assembling of the cabinet. The insulation material is packed against the walls of the casing 25 after which the liner 44 are L-shaped members I0 havingtonguesfu projecting through a respective opening I3 formed in flan e 44 to frictionally engage the rear face-- of the flange. The upper portion of the member- 10 is flared to look over the edge of the flange preventing withdrawal thereirom. Aleg '15 of member 10 extends spatially parallel to the front wall 42 and is formed with a radiused end "I6 over wh ch ad p ed, te 19 1s an ed e o the b a st ip 3 extend ng be ween and io ningithesfre .wellnertien o he. with th spa ed, f on wall pert enof the easing, I

The-br aker strip 0 i en eferalelyv orm d of s ain ess steel er the like and .ispreferebly i 9 0 thick me al. theu h ot er thicknes ma ia ma be u ed and suitably eea edwith enamel; or leat d, Simi r breaker str ps. a nes tienedalen the, ether s de or, the cabin t on the Hem-wall adjacent t9 the enem es 0 there- Qf and imm diately ab ve (the, iced stora e com- Pertmentat he. en at the cab net, a d als im: .med a elyzle ewthe .fe d stor ge compartmen Sinee. he rinciple er attaching the other breaker s ipss thesame; ther is wenly hewn in detai thehree er, s ip 1 and the. ay it s attacheda Theibree serst ip extends preferably atom vex eu lef emthe edseef the ou er shell tothe i entwa l eifi inen It s elamvinsly at ached .tweenthe urfe 'eef. Well." a l g. providin aein erl elsin relatien .ef l helfl nse 34. with op nin .0 wes.nsaienga ement th diused end, lit,

cl sed bra ins d d erl q. The e se; 1 I Qeem ri' s eneuter shell '12 havin u wardlrextendms des Whieh re bent inwardly h r Ze .teie m h pe pher y extending l dge H wi htherextended metal b nt e erm en nsetted flange H6. Secured b screws [I1 and a metal s trip l lll to the flange He is tongue I20 r mf edu ee el i w th l e s m: The

tongue I20 is provided with an upwardly extended edge portion I24 upon whichis adapted to rest inner panel I25 forming the inner side of the door. The panel I25 is formed of non-heat conducting composition which has the tendency to absorb moisture condensed thereon, and results in a linear expansion of the panel. To permit this expansion the'edge ofthe panel engages une dei' leg- I26 of a'U-shaped member IZI which is secured by screw II'I to flange H6. is tensionally held between the leg I26 and the raised edge 124, the tension being sufficient to prevent shifting or sliding movement of the panel I25 and is not binding to prevent linear expan- 81011.- The door gasket I22 extends in overlapping relation over-the ledge H4 and across the marginal-edge of the panel I25. The gasket is adapted to seal against the front wall 34 of the cabinet so as to prevent air entering the food stqrage comp r ment.

1 lll? 4. Y I vided between'the spaced inner and out'erjpanels .ef the or, i s I f-Whil I have'shownfand described the prerjrrea form'ofmy'invhtion, Iddo'fnot wish to limitrriyself to theprecisefdetail's assh'own but wish to avail myself of such'variations and r'nodi fication as may come" within the scope of the appended claim;

lTclair'ni i v V In' a refrigeratoncabinet having inner and outer casings in spaced rengndn with heat insu lath Ill fihrebetwe'en fan openingfformed in the front wall ofsai douter casing, an v.openinlgformed in the front wall of said innercasing, narrate gem l liex e iw heeh;r i 'h e' its frwa-rd v portion-bent to extend diagonally across said u toform... .weee ie ,v M the side. of said innercasing; means attaching said rails to said sideiwallls lbifisaid 'innercasing,

gusset members secured," acrossea'chl corner in the opening of the frontlwall o f 'sa id' outer cas- Lms. u ve sm l s ng;- s 'e i e ei posite ends of said railsfor attaching to a resp tre ees te dei e elr th ees i for ioining the trontwalls -pf said inner and utere eins T s GEORGE M. ARMSTRONG.

The panels heat insulation material IZ-lt'is pro-.

ntairiir'ig'saidrail against

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