US2503599A - Cabinet - Google Patents

Description

April 1950 I E. J. SMAYDA, JR ,503,

CABINET Filed Sept. 20, 1948 2 Sheets-Sheet 1 2;" I 1 x, V

4.! 2@ I [6 I4 2 l7 IN V EV TOR.

E., J. SMAYDA, JR

CABINET Filed Sept. 20,. 1948 2 Sheets-Sheet 2 lid INVENTOR.

Patented Apr. 11, 1950 UNITED STATES PATENT OFFICE CABINET Eugene J. Smayda, Jr., University Heights, Ohio Application September 20, 1948, Serial No. 50,025 r Claims. (Cl. 312-187) My invention relates to cabinets,'compartments and racks for supporting and accommodating a plurality of trays and the like.

An object of my invention is to provide an improved cabinet for accommodating a plurality of trays and the like, the cabinet being economical in manufacture and efficient in use.

Another object is to provide a cabinet for a plurality of trays arranged in a vertical row and supported in position one above the other by the cabinet. I

Another object is to provide a novel structure in a cabinet for accommodating a plurality of trays and having a minimum of structural elements embodied therein.

Another object is to provide a cabinet for enclosing a plurality of trays supported by the cabinet without an auxiliary framework for the support and rigidity of the cabinet walls.

Another object is to provide for an improved shipping or storage cabinet for enclosing and supporting a plurality of trays slidably inserted in the cabinet,- the cabinet structure having a minimum of weight, bulk and material for the required purpose.

Another object is to provide a cabinet structure formed to have strong and rigid walls braced in position without the requirement for an external framework or other bracing means.

Another object is to provide a cabinet formed with side walls arranged to function both for support of a plurality of trays and for strengthening and making rigid the cabinet walls.

Another object is to provide for a cabinet having sheet metal walls so made and assembled that the sheet metal walls in themselves afford rigidity, strength and bracing to the cabinet.

Another object is to provide a sheet metal cabinet wherein the sheet metal walls in themselves form framing members for the cabinet.

Another object is to provide a shipping and storage cabinet particularly adapted for enclosing and supporting a plurality of traysin vertical row arrangement in a convenient and useful manner.

Another object is the provision for accommodating a plurality of trays and the like in a minimum of space and with a maximum of support and enclosure for the material used in fabricating the'cabinet.

Anotherobject is the provision of a cabinet and the like particularly adapted for accommodating trays. such as pansused in the bakery business, and for the use of such a cabinet in the shipping in detail the form of the sidewalls of the cabinet.

'2 of baked goods on such pans in a sanitary and safe manner.

Other objects and a fuller understanding of my invention may be had by referring to the following description and claims, taken in conjunction with the accompanying drawings, in which:

Figure 1 is a side view of a cabinet embodying the preferred form of myinvention;

Figure 2 is a'front view of my cabinet looking in the direction of the arrows 2-2 of Figure 1;

Figure 3 is a longitudinal sectional view of my cabinet taken through the line 33 of Figure 1;

Figure 4 is a transverse sectional view of my cabinet taken through the line 44 of Figure 2;

Figure 5 is an enlarged sectional view showing the details of the constructionof the rear vertical corners of the cabinet;

Figure 6 is an enlarged sectional view showing and the disposition of a tray or pan supported in one of the grooves or recesses of the side wall members; and

Figure '7 is an enlarged sectional view showing in detail the assembly and disposition of a side wall member and vertical frame member.

The present description will be made in reference to the use of the cabinet as a storage and shipping cabinet for baked goods carried on a plurality of trays or pans, although it is to be understood that my cabinet is adapted for other and analogous purposes. In referring to a tray, it is to be understood that this includes pans or other devices used for supporting or holding articles. In the preferred form of my invention, all of the enclosing walls are made of sheet metal. This metal may be steel or other suitable metal, and for reducing the weight I prefer to use sheet aluminum or other lightweight metal. The metal used is suitable for forming into the required shape and for being joined by welding as herein described. a

The preferred form of my cabinet is comprised of two vertically positioned, spaced and parallel side wall members I I, a top wall member I2, a rear wall member l3, a bottom wall member I4 and an enclosing door ll. These members together provide an enclosed compartment providing a sanitary and safe enclosure for shipping and storage of baked goods and the like. The b'ottc'm wall member I4 provides the base of the cabinet, the bottom wall member It being formed-of a horizontally disposed piece of sheet metal having downwardly extending flanges H-b around-its periphery. Adjacent the peripheral edges of wall member It there is a portion I 4--a running a,sos,soo

3 aroundthebasememberandformingaledgeextending a short distance out from the side walls, rear walls and door of the cabinet. This peripheral edge portion Il-a and flange I4b provides a bumper on the four sides of the cabinet to protect the walls of the cabinet against being dented, scraped or injured during shipment or otherwise as might occur from the cabinet being moved against the wall or against another cabinet.

Carried by, and extending vertically upward from the bottom wall member I4 on the two sides of the cabinet, are two side wall members II. The side wall members II are vertically positioned, spaced apart and disposed parallel to each other. The side wall members II of metal are formed to be recurrently bent back upon themselves at right angle bends, or they may be saidtobecorrugatedinabroadsenseofthe word. As so formed each side wall member II has formed therein a plurality of grooves, channels or longitudinal "-11. These grooves II-a are disposed in a horizontal plane, paralleltoeach otherandspacedapartinrespeet to each of the wall members. The open inwardly of the cabinet, and opposite recesses II-a of the two wall members face each other to provide pairs of grooves or channels in horizontal planes adapted to accommodatethetray orpan,suchaspan2l. Aseach pair of opposite grooves II-a accommodates a pan 2|, as many pans 2| as there are opposite pairs of grooves provided in the side wall members may be accommodated in the cabinet.

There is an outer wall II-b opposite each internal recess or groove "-11. The recurrently occurring outer wall surfaces "-12 are disposed in one vertical plane as shown ,in the drawing. There is a connecting portion lI-c extending between each of the recesses or grooves II-a. This connecting portion II-c is disposed in another vertical plane parallel to the vertical plane passing through outer wall IIb. Preferably, the connecting portions Il-c are of greater longitudinal dimension than the wall "-11 forming the back of each recess "-4. Each recess or groove Il-a has a bottom wall II-d forming a supporting ledge for the support of trays or pans iI. Also, each recess or groove II-a has a top wall II-e. The connecting portion II-c extends vertically between top wall lI-e of each recess "-4 to the bottom wall iI-d of the next recess above it. The bottom ledge or wall lI-d is somewhat chamfered at the junction with connecting portion II-c as indicated at II] in Figure 6 of the drawing. The wall of the recess is chamfered at I|-! for the purpose of better accommodating the type of tray or pan 2| illustrated in the drawing and often used in the bakery business for accommodating baked goods. The pan or tray II has a rim II-o at its peripheral edges and which rests upon the ledge "-41. ThepanortraylI alsohasa sunken or depressed bottom 2I-b, the walls of the tray or pan sloping down at an angle from the rim II-a to the bottom 2Ib. The chamfered edge II-j better accommodates pans or trays of this construction. Each pan or tray II is adapted to be slid into the cabinet with opposite rims II-a positioned in the opposite recesses or grooves "-0. A plurality of trays or pans II may be accommodated in the cabinet, each pan or tray-being positioned in one of the pair of recesses "-41. Thus a plurality of trays arranged in a vertical row may be supported one above another in the cabinet, and each tray may 'the top surface of bottom wall member I. The

abutting surfaces of bottom wall I4 and side wall members II are welded together, preferably by resistance welding so that the side wall members II are flrmly secured to the bottom wall member I4 and the iunctures along the meeting surfaces are substantially sealed or closed.

The rear wall member It, also preferably made of sheet metal, is disposed in a vertical plane and extends between the vertical rear edges of the side wall members II to close the rear of the cabinet. Reinforced corner portions are provided at the rear corners of the cabinet by bending or folding the vertical opposite edges of rear wall member II in a manner disclosed in Figures 4 and 5. The sheet metal of the rear wall member I3 is folded back upon itself to form a folded portion It-c. The first folded portion is again bent at right angles to the rear wall of the cabinet to form a flange I 3-4 reinforced with the folded portion II-b shown in detail in Figure 5. Thus at each vertical edge of rear wall member I3, there is provided a reinforced corner portion or flange extending at right angles to the rear wall of the cabinet. The flange of rear wall member it composed of portions Il-a and Il-b, is disposed next adjacent to wall Il-b of the two side wall members II. Inasmuch as wall "-4) and wall I I-c of each side wall member are in two spaced and parallel vertical planes, the flanged portion of rear wall member It can be disposed next adjacent to only one of these walls, as the flanged portion composed of II-a and II-b is straight in a vertical direction. The flanged edge portions of rear wall Il-a. are joined to the several wall portions IIb of the respective wall members II, preferably being joined by resistance welding at a location indicated by reference character 22 in Figure 5. The welding of flanges I3-a of rear wall member I3 to side wall members II is done at recurring intervals along the length of the side wall members, these intervals being determined by the irregular configuration or corrugation of the side wall members. It is preferable to have all of the channel walls "-1) welded to the adjacent flanges of the rear wall member so that every one of the wall portions "-1) are welded or otherwise suitably joined to the flanged corner portion. However, in practice a relatively few of the wall portions I I-b may be skipped in the welding operation so that substantially'all of the wall portions "-12 are welded or otherwise suitably joined to the flanged corner portions of rear wall members It.

At the front vertical edges of side wall members II, there are two vertical frame members It and II extending the height of the cabinet and longitudinally of the side wall members. These frame members I5 and It are made of metal and may be made in a suitable structural form for strength and rigidity, such as the channel members I5 and I6 illustrated in the drawing. The respective frame members are positioned at or adjacent the front edge portions of side wall members II and are disposed next adjacent the wall portions IIb of the res tive side wall members. The webs of the respective frame members I5 and It are welded, preferably by resistance welding, to the wall portions "-41 of the side wall members. The resistance welding is preferably done at interengaged surfaces, such 8 as locations indicated by the reference character 23 in Figure 7. Preferably all of the wall portions ll---b of each side wall member are welded or otherwise suitably joined to the adjacent vertij cal frame member. However, in practice a few of 'thewall portions lI-b of each side wall member may be skipped so that substantially all of the wall portions ll- -b are welded or otherwise suitably joined to the respective frame members.

The top wall member I2 is a horizontally disposed and rectangular piece of sheet metal formed with downwardly extending flanges l2a at its four peripheral edges. Two of the flanges l2--a overlap and are disposed adjacent the side wall members H and provide a closing of the cabinet at the juncture of top wall member 12 and side wall members ll. Preferably the opposite flanges I2a adjacent the side wall members II are welded or otherwise suitably joined to the upper edge portions of side wall members ll, preference being given to resistance welding of adjacent surfaces. The flange l2-a at the rear of the cabinet overlaps the rear wall member I3 and is also preferably joined thereto by resistance welding. The top wall member l2 acts to enclose the top of the cabinet and also acts to tie together the three walls and to brace them in their vertical position. The front flange l2-a of top wall member l2 extends between the side wall-members II at the front of the cabinet and aids to provide a brace and strengthening element for rigidity of the cabinet at the front thereof. The front flange I2--a extends down at the front face of the cabinet only a short distance and does not obstruct the front of the cabinet for the ready insertion and withdrawal of trays in and out'of the pairs of grooves or recesses.

The door I! is adapted to close the front of the cabinet so that the interior is entirely closed. The door I1 is preferably made of sheet metal formed to have a front wall and an inner wall ll-a, thereby giving strength and rigidit to the door and also providing the protection of a double-walled door. Three hinges 20 suitably spaced apart are carried by the vertical frame member IS, the fixed portion of each hinge being secured by welding or other suitable means to the flange of frame member Hi. The hanging of doors I! on the cabinet is such that the door may be swung on its hinges to open the cabinet or swung to a closed position to close the front of the cabinet. A suitable latch or catch mechanism is carried by the vertical frame member l5, and this mechanism is adapted to secure the door I! in closed position. A suitable closing mechanism is provided by a hinged bracket 24 carried by the frame member IS. The hinged bracket 24 may be secured to the frame member 15 by welding or other suitable means. The hinged bracket 24 carries with it two latches or catches 25 spaced apart and interconnected by a handle 26. The arrangement is such that the latches 25 may be moved out of the path of the door by swinging the handle 26 upwardly on the hinged bracket 24, and such that the latches 25 may be swung down in front of the free edge of the door to lock or secure the door in closed position. The frame member l5 provides a suitable anchor for securing the locking mechanism, and provides a firm abutment for the vertical edge of the door adjacent thereto. The frame member l6 provides a suitable anchor for the hinges 20 and a firm abutment for the vertical edge of the door adjacent thereto.

It isto be noted that the form of side wall members II is such that a lateral rigidity is provided to each side wall member. The angularly disposed sides defining each recess or groove prevents or limits bending or distortion of the side wall members laterally of each side wall member. They thus provide framing or bracing elements for the side wall members embodied within the sheet metal of the side wall members themselves. Also the corner flanged portions i3a. welded to the several wall portions l|b along the length of the side wall members, provide rigidity longitudinally of the respective side wall members. The reinforced corner portions welding the rear wall member to the side wall members, provide strength and rigidity to the side wall members and rear wall member throughout the height of the cabinet. The frame members I5 and I6 provide rigidity to the side wall members at the front vertical edge portions thereof to provide rigidity to the side wall members longitudinally thereof in the vicinity of the front of the cabinet. The wall portions ll--b welded at intervals along the length of the frame members, provide a bracing or framing action for the cabinet. It is therefore seen that by the construction of the side wall members, sheet metal forming the side wall members forms the dual purpose of providing grooves or channels for receiving the trays and also for providing transverse frame elements for the side wall members. 1

The entire assembly, construction and fabrication of the cabinet is such that the use of an external or auxiliary frame for providing strength and rigidity to the wall is largely eliminated. Only a minimum of material is required for the amount of strength, rigidity and enclosure required for a cabinet to meet desired service specifications. My cabinet is strong, durable and economical in construction, and at the same time provides a large degree of universal use in service. The frame members l5 and I6, besides providing strength and rigidity at the open front end of the cabinet, also provide mounting means for the door and a reinforcement of the side wall members where the trays are first inserted into the cabinet and where distortion or spreading apart of the side walls is most likely to occur.

To provide for ready transport and moving of the cabinet, suitable casters may be mounted to the bottom of the cabinet. Four caster brackets it are secured by welding or other suitable means to the bottom of the bottom wall I4 in such a manner as to permit swiveling of the casters. Caster wheels I9 rotatably mounted on the brackets, provide for the rolling of the cabinet across a floor or other surface. The casters are of the swiveling type so that the cabinet may be readily moved in a plurality of directions.

While in the preferred form of my invention it is desired that resistance welding may be utilized for ease of fabrication, it is also to be understood that spot welding or other suitable joining of the adjacent metallic wall portions may be utilized. In some instances, it may be desired to connect the parts together by other means other than by welding, such as, for example, securing the caster bracl rets l8 to the bottom wall H by nuts and bolts. However, for efficiency in fabrication and for obtaining the best results in a neat, strong and well-inclosed cabinet, I prefer to use welding as a means for joining the parts together.

The description contained in the appended aeoasoo claims is included in the present disclosure and made a part of this description by reference thereto.

Although the invention has been described in its preferred form with a certain degree of particularity, it is understood that the present disclosure of the preferred form has been made only by way of example and that numerous changes in the details of construction and the combination and arrangement of parts may be resorted to without departing from the spirit and the scope of the invention as hereinafter claimed.

What is claimed is;

l. A cabinet for enclosing and supporting a plurality of horizontally disposed trays spaced apart and positionable one above another, said trays having opposite edge portions arranged to be supported on the lower flanges provided by oppositely facing channels, said cabinet comprising in combination two sheet metal side wall members formed into a plurality of horizontally disposed and parallel channel portions and a plurality of connecting portions alternating with and joining the channel portions, said channel portions of each side wall member having web portions disposed in a first vertical plane and said connecting portions of said each side wall memher being disposed in a second vertical plane spaced from said first horizontal plane inwardly of said cabinet, the lower flanges of said channel portions providing supports for said tray edge portions and said channel portions providing guides for sliding movement of said tray edge portions in, and longitudinally of, said channel portions, a sheet metal rear wall member extended across between the vertical rear edges of said side wall members, said rear wall member having angle portions disposed at right angles thereto along its opposite vertical edges, respectively, said angle portions overlapping and being disposed next adjacent the outer surface of said channel web portions, weld means joining said angle portions and channel web portions of said side wall members at a plurality of locations along the length of said angle portions, a sheet metal top wall member extended between said side wall and rear wall members at the top of the cabinet, a sheet metal bottom wall member extended between said side wall and rear wall members at the bottom of the cabinet, a pair of vertical frame members each disposed adjacent the outer surface of said channel web portions at a location in the vicinity of the front vertical edges of said side wall members, respectively, weld means joining said vertical frame members and said channel web portions at a plurality of locations along the length of said upright frame members, a door for closing the front opening of the cabinet, and means carried by said vertical frame members for holding said door in closed position, the combination of the angle portions of the rear wall member, the vertical frame members, and the channel web portions joined to said angle portions and vertical frame members by said weld means providing for rigidity and strength of said cabinet.

2. A cabinet for enclosing and supporting a plurality of trays, comprising in combination a pair of sheet metal side wall members each formed to provide a plurality of spaced, interconnected and horizontally disposed channels, said side wall members being spaced apart and parallel to each and arranged with opposite channels facing each other to provide for support and guidance of a in said opposite channels, said side wall members enclosing the sides of said cabinet. a sheet metal rear wall member extended between the side wall members at the rear thereof to enclose the rear of said cabinet, flanges carried by said rear wall member along its opposite vertical edges, respectively, and disposed adjacent the outer surface of said side wall members along the rear vertical edges thereof, said flanges engaging said side wall members, respectively, at the said spaced channels, joining means for joining, at a plurality of locations along the length of said flanges, said flanges to the side wall members at said spaced channels, a pair of vertical frame members disposed along the vertical length of, and adjacent the outer surface of, said side wall members, respectively, and proximate to the front vertical edges thereof, said vertical frame members engaging said side wall members, respectively, at the said spaced channels, joining means for joining, at a plurality of locations along the length of said frame members, said frame members to the said side wall members at said spaced channels, a top enclosing wall connected to said side wall members, a bottom enclosing wall connected to said side wall members, and a door adapted to be secured to said frame members for enclosing said cabinet, the said arrangement of the side wall members, the rear wall members, flanges carried thereby, and the frame members providing an enclosing wall structure embodying channels for said trays and embodying the rigid framework of said flanges and frame members interconnected by said side wall members at said channels.

3. A cabinet for enclosing and supporting in a vertical row arrangement a plurality of trays slidable in and out of the cabinet, comprising a base member enclosing the bottom of the cabinet, two side wall members carried by the base member and positioned in spaced and parallel relationship to each other, said side wall members each being made of continuous sheet metal recurrently formed back upon itself to provide a series of spaced and parallel channel portions having web portions in a first vertical plane and being interconnected in a second vertical plane inwardly of the cabinet, opposite channel portions opening inwardly of the cabinet to receive edges of trays slidable in the cabinet, a rear wall member carried by said base member for closing the back of the cabinet, comer portions carried by said rear wall member along the vertical edges thereof and disposed adjacent said web portions of said side wall members in said first vertical plane, joining means for joining web portions of said side wall members to said adjacently disposed corner portions, a pair of vertical frame members positioned to provide rigidity to the front vertical edge portions of said side wall members, respectively, and disposed proximate to said front vertical edge portions and adjacent said web portions of said side wall members in said first vertical plane, joining means for joining web portions of said side wall members to said adjacently disposed frame members, a top wall member extended between said side wall members for closing the top of the container, said top wall member having flange portions disposed adjacent the top edge portions of said side wall members, respectively, Joining means for joining said flange portions and said adjacently disposed top edge portions, and a closure for closing the front of said cabinet, said side wall members imtray inserted between said side wall members and 76 parting strength and rigidity to said cabinet by asoasoe the framework of said corner portions and frame members connected by said web portions of said channel portions and providing channels for receiving and supporting said trays.

4. An improved structure in a cabinet for enclosing and supporting a plurality of trays in vertical row arrangement, comprising in combination a base member forming the bottom enclosing wall of the cabinet, a pair of spaced and parallel side wall members carried by the base;

said recesses being disposed at an angle to said vertical planes and providing rigidity and strength to said side wall members laterally of said side wall members, a rear wall member forming the rear enclosin wall of the cabinet, said rear wall member being formed of sheet metal folded back upon itself along its opposite vertical edges to form a reinforced corner portion at the rear corners of said cabinet, said reinforced corner portions each being bent at right angles to said rear wall member, said bent corner portions being disposed next adjacent said side wall members at intervals determined by the corrugation of said side wall members, weld means for joining said adjacently disposed corner portions and side wall members at substantially all of said intervals, a pair of vertical metal frame members disposed next adjacent said side wall members at intervals determined by the corrugation of said side wall members, said frame members being positioned along and adjacent the front vertical edges of said side wall members, respectively, weld means for joining said adjacently disposed frame members and said side wall members at substantially all of said intervals, said bent corner portions and said frame members providing rigidity and strength to said side wall members longitudinally of said side wall members, a rectangular top wall member forming the top enclosing wall of the cabinet, said top wall member being formed of sheet metal and having downwardly extending flanges disposed along its four edges, opposite side flanges being disposed next adjacent and engaging said side wall members, the rear flange being disposed next adjacent and engaging said rear wall member and the front flange extending between said side wall members at the front of the cabinet, said top wall member bracing said side wall members and rear wall member in their vertical positions, and a door hingedly carried by one of said frame members and adapted to be secured to the other said fram member, said structure providing strength, rigidity and bracin to said cabinet without requirement for a supporting framework.

5. A cabinet for supporting a plurality of trays in vertical row arrangement, comprising in combination two spaced side wall members positioned in parallel vertical planes, said side wall members being each formed of sheet metal recurrently bent upon itself to deviate from said vertical planes, respectively, to provide parallel horizontal grooves for accommodating said trays, respec- 10 tively, and to provide rigidity to said side wall members laterally of said side wall members, a rear wall member positioned in a vertical plane and extending between said side wall members at the rear vertical edges thereof, said rear wall member being formed of sheet metal having a flange extending at an angle to said rear wall member along each of its vertical edges, said flanges being disposed adjacent to, and welded to, said side wall members, respectively, along the length thereof at recurrent intervals determined by said deviations from said vertical planes to provide longitudinal rigidity'to said side wall members and rear wall member at the rear vertical corners of said cabinet, a pair of metallic longitudinal frame members positioned vertically of the cabinet at the front vertical edges of said side wall members, respectively, and disposed adjacent to, and welded to, said side wall members, respectively, along the length thereof at recurrent intervals determined by said deviations from said vertical planes to provide longitudinal rigidity to said sid wall members at the front vertical corners of said cabinet, a top wall member formed of sheet metal having flange portions connected to the upper portions of said side wall members and a flange portion extending between said side wall members at the front of the cabinet, said top wall member enclosing the top of the cabinet and bracing said side wall members, a door adapted to be secured to said frame members for enclosing the front of the cabinet,

and a horizontally disposed base member extending between, and connected to, said side wall members for enclosing the bottom of the cabinet and supporting said side wall members, rear wall member, frame members, top wall member and door.

6. A cabinet for enclosing and supporting a plurality of trays and the like independently slidable in channels in the cabinet, comprising in combination two side walls, a rear wall, a top wall, a bottom wall and a door forming an enclosure, said side walls being formed of sheet metal recurrently bent upon itself at an angle to parallel vertical planes to provide channels for said trays and to provide lateral rigidity to said side walls, metal angle pieces carried by and integral with said rear wall at the rear vertical corners of the cabinet, weld means for joining said angle pieces to said side walls, respectively, at locations coinciding with the vertical planes passing through the outermost portions of said side walls to provide longitudinal rigidity to said side walls and said rear wall at said rear corners, reinforcing frame members positioned at the front vertical comers of the cabinet and extended longitudinally of said side walls, each of said frame members being formed of metal and having a first portion disposed in a vertical plane parallel to, and next adjacent, the said vertical plane passing through said outermost portion of each said side wall and having a second portion disposed in a vertical plane at right angles to said first portion to provide rigidity to each said frame member and to provide a door frame disposed laterally of the cabinet and adapted to support and engage said door, and weld means for joining said first portion of said frame members to said walls, respectively, at locations coinciding with the said vertical planes passing through the outermost portions of said side walls to provide longitudinal rigidity to said side walls at said front corners, the said structure providing an enclosure for said trays, providing channels for supporting said trays. and embodying rigidity independent of auxiliary framing means.

7. In a sheet metal cabinet, the construction which comprises opposite side wall members formed of sheet metal corrugated to provide trayrccelving grooves in the cabinet and to provide lateral rigidity to each said side wall member, the corrugated side wall members having inner and outer surface portions displaced from each other in parallel planes, a rear .wall member hav- 10 ing flange portions disposed along its vertical edges at the rear corners of said cabinet, said iiange portions being disposed next adiacent the REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,508,568 Mcflat Sept. 18, 1924 1,708,588 Proctor Apr. 9, 1929 1,872,733 Greenwald Aug. 23, 1932 1,940,578 Brainard Dec. 19, 1938 2,112,498 Lax Mar. 29, 1938 2,489,708 Hammer Nov. 29, 1949

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