Патент USA US2408462код для вставки
Oct. 1, 19,46. ì , HT VAN> DORYEN ' 2,408,460 REFR IGERATOR ` Filed March 50,- 1944 2_ Sheets-Sheet l Oa. 1, 1946. > ’ H, VAN 'DOREN R'EFRIGERATOR ' , Filed March 5o,y 1944 « f 2,408,460 ' - 2A sheetsèsheet 2 2,408,460 Patented Óct. 1, 1946 S ' l OFFICE) REFnIGEnAJ'ítoR _Viennent-‘f Y ._ „f Bryn Mawr; Pa.,Í assigner, 'by' Harold van Doren,” ~ Y mesne assignments, to Philco Corporation', Philadelphia, Pa., a corporation lof I’ennsyl»> 1 vania 528,741 ' ments. The upper section I2 extends upwardly andv substantially vertically from the rear of ithe work surface I3 and contains a food storage com partment I5. Thel compartments inboth the lower refrigerated areas -and an intermediate lower andr'upper sections il and I2 have front En accessïopen‘ings so that, in actuality, the 'com A primary object of the invention is to provide partment I5 inthe upper _section l2 opensin a "ï rf’he present invention "relates'to' refrigerators, and more particularly to improvements »in refrig erator cabinets of Vthetype providing upper and ywork surface. v ~ . » n - - a refrigerator cabinet of the aforementioned gen vertical plane at the back of the work surface I3. eral type constructed so that vaccess may be had According to the present invention; theiclo to the aforesaid> refrigerated areas' Without in terference `with,»- or interruption in the use of, the intermediate work surface. ` sure means for the Acompartment I5 is sc con stituted as not to interfere with the use of the r Worktable vsurface I3 when access to said com » `More specifically, »an object of the invention is to provide a refrigerator cabinet of the stated type having a Work table surface and =food stor partment is desired. To this end, the closure means comprises a> pair of complementary door lmounted on'the cabinet for 'sections I'I and VI8 toward andßaway from each sliding movement other in'the'plane of the access opening of said age compartments opening above and below such surface, theclosures for such compartments be' ing constructed and arranged so îthat they may be opened and closed without necessitating re moval of articles occupying» the -worktable sur' compartment I5 andpreferably perpendicular to the work'surface I3. With this arrangement, ` o Ã '20 f To Athis'end, the invention contemplates the >provision of a refrigerator including a worktable opening and closing of the door sections I‘Iv and IB does not necessitate removal of articles Iwhich may have been placed on the worktable surface, nor interrupt the‘use of said surface. "surface and a rearwardly disposed food' storage `compartment extending upwardly from'said sur «face substantially at right angles thereto land having >closure means adapted -.for opening and closing movements substantially inthe plane 'of ’ ' f In order to facilitate operation of the door sec -l8 it is desirable that they be coun terbalanced and for that purpose cables I9 may » tions I1 and vbe 'connected to the sections, vas shown at 20 and 2I for example, said cables passing over the -front »of lthe compartment so that said clo vpulleys 22 supported in brackets 23 on the cabi sure means may- be opened vand closed Without 30 netfstructure. The door sections being thus con interfering with the use of »said work surface. nected, one of said sections, preferably the lower Other objects and advantages oft theinvention one'I'I,V may be provided with a handle 24,1 so that will appear to those skilled in thel art front-‘the y «by moving said section up or kdown by means of 4following detailed description1cnd the~accom-A -the handle, the other or upper door section I8 panying drawings, in >which:`A l will be made to move in unisonwith, butoppo. - ' Fig." 1 is va perspective view/of a> refrigerator sitely to, the movement of said lower door sec -cabinet constructed in; accordance withthis in vention; » 1 - " l“ « tion both in'opening and >closing the compart f mentl5.v -Fig.`-'2 is an enlargedvertical cross-sectional view'cf the cabinet;- f ' ` ’ ~ Y ` Fig,> 31`is ra fragmentary cross-sectional detail 40 view looking in the general direction of1îline~3e--3 ‘ ‘of Fig.2; andl „ - .Y „ _ Fig. Liis lan- elevational 'detailfviewi of the slid ing doors with'parts broken away .tc discloseiele ments Withoftheydoor-operating reference to the' drawingsr'the] mechanism;refriger “ ator' cabinetV I0 therein illustrated! is- of l‘the 4.typ'e having‘a lowersection II andan uppßrsection `I2. . The lower section .ll,g_which1in the present instance constitutes ~the base of the„cabinet»,.;is. preferably of work-height dimensions So'that'the top thereof, or the, forwardportion thereof, may ~ ". i lWhen. in closed positionf the door sections . I'I andvIS may beheld together by suitable latching means which',11-in the form shown in Fig. 4, may consist of la keeper 25 fixed on one door section, anda »latch being urged by action cf a spring 21 into operative engagement with said keeper." By 45 mounting the latch 26 on. the >door section A’I»'I whichl carries the handle> 24;;ity ispossible,l by "manipulation ofl the handle `24 'to Aunlatch:4 the door sections and initiate movement of:said1sections toward open position. This may be accom -plished,bypivotally mountingfthe handletand by providing the v. same. withA an v'extension 28e, en 29î associated with Vthe latch,- these elements being arrangedvso that serve `as a worktable ~suriaceçlb_.zgln `theinterior i :when pressure.: is applied to' .the‘ïhandle in aldi v of the: section VI I. is»7 _aifood `storage.compartment = 55 »rectio'n tofopen the door' sections; 'the @extension I4, y.or there may be apluralityv of, such compart 2,408,460 3 4 28 will act through the cam 29 to disengage the latch from the keeper. The open front of each compartment I4 in the lower or base section I I of the cabinet I 0 is closed ably a primary refrigerating system is used to cool the compartment I4, and a closed secondary sys tem may be utilized to cool the storage com partment I5 and the well-type compartment 46. by means of a door 30 which preferably is piv 5 In the arrangement shown in Fig. 2, a motor oted at its bottom edge portion, as indicated at compressor 60 is mounted within a housing 6I in 3 I, andhas handleîmeans 32 1at-itsitop edge por' tion so that said-.doormay bev drawn outwardly and downwardly to an open position shown in the lowermost portion of the base II and is con nected with the condenser 62fthrough a pipe 63. from the condenser 62 is a liquid line Fig. 1. The door 30 may be provided with wing 10 Leading 64 which discharges into >a series of cooling coils portions 33 extending into the compartment and 65 arranged in heat exchange relation with the preferably having arcuate slots 34 engageable with roller-carrying pins 35 or the like. By this „ ' liner :4I deñning the compartment I4. A return means the outward movement of the `door is _ line> 66 lconnects the series of cooling coils 65 with the motor 'compressor 60 thus completing limited so that, in open position, the door as the circuit bf "the primary refrigerating system. sumes an angular relationship with respect to the associated compartment and, together with the Wing portions 33, forms a hopper-like access Dort to said compartment. ` In the detail construction of the cabinet, I pre fer to employ the conventional outer` metallic shell 40 having the general -shape indicated in the drawings, said shell forming the outside of With further Areference to Fig. 2, the secondary system utilized toY cool the compartments I5 and 46 comprises an ‘evaporator portion consisting of a serie‘s of coils `61 in heat exchange relation with the back and side Walls of the metallic inner liner 42 -deli-ning said compartments. The series of cooling coils 67» communicates with a secondary condenser portion 68 located above said coils and the cabinet Il), and an inner metallic liner 4I to form the compartment I4 in the lower section 25 conveniently arranged in heat exchange relation with the primary system, preferably in the re II of said cabinet. Another metallic liner 42 de turn line 66 thereof which, for that purpose, may iinesthe compartment I5 of said cabinet. The have a coil section~69 wound about said second inner liners 4I and 42 may be supported, in the ary condenser portion. The association and op usual manner, in spaced relation to and within eration of the primary-secondary system vof the the outside shell 40 and may be effectively ther mally separated therefrom by means of thermal 30 above-described type are well-known »in theart and form no part of the present invention, and break elements 43, and suitable insulating -ma accordingly», a detailed description of the con terial 44 interposed between said liners and shell. struction and operation thereof may be dispensed The inner liner 42 which defines the upper with herein. .Y compartment I 5 „may be provided with a depend 35 However, it is pointed out that in accordance ingy portion 45 forming a well-type compartment 46 and closed by means of asuitable removable cover as »shown at 41. It is to be noted that, in with the present invention, the lower compart ment I-4, being cooled by the primary refrigerat ing system, may be maintained at sharp freezing temperatures vbest suited >for theA preservation of accordance with the present invention, the liners 4I and 42 which respectively define the lower and upper compartments, are separated from each 40 frozen foods, and that the upper compartment I5, being cooled by the secondary refrigcrating other, 'and that insulating material is interposed system, may be kept at the moist-cold temper therebetween, as represented at 44a in Fig. 2 of >atures which are most effective for the preserva the drawings. In this manner the superimposed tion of ordinary foodstuff. This result is pos compartments are thermally insulated from each other so that the compartments may be cooled at diiferent temperatures and .be maintained under different humidity conditions. , '7 sible in the arrangement herein shown and de scribed' .because the compartments above-referred vto are separate and thermally insulated -from each other so that the cooling conditions in one compartment cannot affect, and cannot be af fected by. the cooling conditions in the other struction consisting of relatively spaced outer and 50 compartment. As shown in Fig. 2, the door 30 associated with the compartment I4 may have the usual con inner panels `48 and 49 respectively; the ,outer panel 4S preferably being made of metal' and the inner panelv 49 of plastic, insulating material 50 filling the `space between said panels. In use, it will be appreciated that, because of _ the particular construction` of and relation be tween the worktable surface I3 and the various For the door sections I1 and I8 for the upper 55 food storage compartments, and with the particu lar door- structures, ¿ready access vmay be had to v.compartment I5, »I prefer to use a transparent the compartments Without adversely affecting the structure of the kind commonly known _in the utìlitynf said worktable surface. :In other words, trade as “Thermopane”, which structure Yembod the doors to said compartments -may be opened ies a plurality offtransparent îpanes ~5I mounted 60 and closed'freely without necessitating removal of and sealed in a frame 52. In'accordance with articles occupying said surface. the embodiment shown, such door sections are'slid ably mounted in suitable channels formed in the cabinet'structure, the lower door’secti'on >I'I being It is believed that the invention, the mode of 4construction and >assembly of its physical em bodiment, and its advantages will be readily un retractable into -ai recess 53 inthe `wall of -the cabinet, and the upper door section~I8 being slid `<i5 derstoodîfrom the foregoing description; and it `will be understood that while a preferred em able into >and out of engagement with a ledge bodiment .of the invention hasr been shown and portion. 54 at theupper front edge of `the .cab inet. ' ’ Gasket strips such as shown at 55 may be ary-f ranged on the Vseveral doors to bear against ad joining` portions _ofv'the cabinet for sealingathe gaps therebetween when the doors are closed...A ' The compartments I4,-- I5 .fand 45 are to be cooled' ‘by suitable ¿refrigeratin'g means. >Prefer '~ described for illustrative purposes, the structural details are capable of material Variation within `70 the scope of the appended claims. -I c'lairriìl «i » ~ _ ' I - ' Y ‘ ' ¿'1. ¿In a’ïrefrigérator, a cabinet having upper 'and `lower compartments and an intervening insulated _ 'ïwall,. said 'upper compartment having aside ac 75Acess 4opening and said wall having` a section-of 2,408,460 6 lower edge thereof to open and close said opening, major thickness extending upwardly at the open a primary refrigerating ‘system associated with side of said upper compartment so as to form in the bottom of the latter a well-type chamber, said wall section being recessed from the top, a clo sure member for the access opening of said upper said lower compartment to cool the same, and a secondary refrigerating system in heat exchange relation with said primary refrigerating system and associated with the upper »compartment for cooling the said compartment and said chamber. compartment movable vertically in the cabinet 3. In a refrigerator, a cabinet having upper and structure to and from an open position within said recess, a primary refrigerating system asso ciated with said lower compartment for cooling and lower compartments and an intervening in sulated wall, said upper compartment having a the same, and a secondary refrigerating system in heat exchange relation with said primary re side access opening and said wall having a ‘sec frigerating system and associated with said upper compartment for cooling the latter. the open side of said upper compartment so as to form in the bottom of the latter a well-type cham 2. In a refrigerator, a cabinet having upper and lower compartments and an intervening insulated wall, said compartments having separate side ac tion of major thickness extending upwardly at 15 ber, said wall section being recessed from the top, a closure member for the access opening of said upper compartment movable vertically in the side of said upper compartment so as to form in cabinet structure to and from an open position within said recess, said insulated wall having a lateral extension from said section of maj or thick member for the access opening of said upper com lower compartment mounted for engagement with partment movable vertically in the cabinet struc ture to and. from an open position within said the outer end of said wall extension, and refrig cess openings and said wall having a section of major thickness extending upwardly at the open the bottom of the latter a well-type chamber, said 20 ness affording a work surface area at the bottom of said upper compartment, a closure for said Wall section being recessed from the top, a closure recess, a separate movable closure within the up per compartment for the said chamber, closure means for the access opening of said lower com partment movable about a horizontal pivot at the erating means operatively associated with said 25 compartments. « ' HAROLD VAN DOREN.