US2539060A - Cooking range - Google Patents

Description

5 Sheets-Sheet l COOKING RANGE J. M. COOK ET AL Filed July 18, 1946 Jan. 23, 1951 J. i .f 0 0,# 6 www m 750% an /N/ my maw@ J@ Jan 239 1951 J. M. cooK ET AL 2,539,060

COOKING RANGE Filed July 18, 1946 5 Sheets-Sheet 2 affa-` Jan. 23, )i951 J. M. cQoK ET Al. 2,539,060

f COOKING RANGE:

Filed July 18, 1946 5 Sheets-Shes?. 3

Jan. 23, 3195i J. M. cooK ET AL COOKING RANGE 5 Sheets-Sheet 4 Filed July 18, 1946 Jam@ 23? 39M J. M. COOK ET AL 295397050 COOKING RANGE Filed July 18, 1946 5 Sheets-Sheet 5 54 67 gif-fz Hiya/we Patented `lain.. 3, 1951 UNITI) STATES AENTY OFFlCE COOKING RANGE .lames M. Cook, Robert C. Lang, and Shir-ly C.

Salter, liaiamazomMich., assignors to Kalamazoo Stove & Furnace Co., Kalamazoo, Mich.

Application Giuly 18, 1946, Serial No. 684,560

(Cl. 126-l) Y 9 Claims. 1

This invention relates to improvements in cooking range.

The principal objects of this invention are:

First, to provide a cooking range of the coal or wood burning variety in which the oven and the hot gas passages therearound may be completely assembled with a smoke flue and smoke pipe connection for nishing and assembly with the range as a unitary structure.

Second, to provide a coo-king range of the coal or wood burning variety with a top structure which may be easily kept clean and which will have edges which are not subjected to high temperatures.

Third, to provide a cooking range of the coal or wood-burning variety with a pressed steel top matching the rest of the range exterior.

Fourth, to provide novel means for counterbalancing the oven door of a cooking range so that the balancing spring is easily accessible and is shielded from the heat of the oven.

Other objects relating to details and economies of the invention will appear from the description to follow. The invention is defined and pointed out in the claims.

The drawings, of which there are five sheets, illustrate a preferred form of the invention.

Fig. 1 is a front elevational view partially in cross-section of a range embodying our invention.

Fig. 2 is a transverse cross-sectional view on a plane indicated by the line 2 2 in Figs. 1, 5, and 10. v

Fig. 3 is a fragmentary cross-sectio-nal view along the line 3 3 in Fig. 2.

Fig. 4 is an enlarged cross-sectional view showing in greater detail the construction at the back: edge of the range illustrated generally in Fig. 2.

Fig. 5 is a front elevational View of the range with the decorative front doors and oven door in opened or cut-away position.

Fig. 6 is a fragmentary cross-sectional view along the line 6 6 in Fig. 5.

Fig. '7 is a perspective view of the decorative trim panel used around the oven opening.

Fig. 8 is a fragmentary cross-sectional View of the lower iront edge of the oven structure taken along the line 8 8 in Fig. 10A

Fig. 9 is a fragmentary cross-sectional View of the upper: rear edge of the voven structure taken along the line 9 9 in Fig. 10.

Fig. 10 is a perspective View of the oven assembly used in the range.

Fig. 11 is a rear elevational view of the range before the'oven unit is installed.

l5 and ash door opening I6.

Fig. 12 is a fragmentary cross-sectional view showing the oven door hinge construction and taken along the broken line I2 l2 in Fig. 13.

Fig. 13 is a fragmentary front elevational view of the lower portion of the oven with the front decorative panels removed.

In the drawings, the reference character I refers to the base portion of the range front member which is oiset inwardly of the range as indicated most clearly at 2 in Figs. 2 and l2. The 'oase portion l is flanged rearwardly at l along its lower edge. The ends of the base portion are welded to side base members 5 which are provided with the inturned lower flanges 6 cooperating with the anges on the front base member. Downwardly embossed pads l form feet for supporting the range. The end base members 5 are connected by a rear base panel 8 and the four base members are further connected by a bottom panel 9 which is provided with a downturned flange l0 welded to each of the base members. y 'A The main body portion Il of the range front panel defines a vertically elongated opening i3 r near its righthand end, opening into a storage compartment and an inturned flange l2 along the bottom of a large central opening lli opening into the oven of the range. The left-hand end of the range front Il defines a fuel door opening Near each end, the range front panel is welded to end frames I1, one of which is most clearly illustrated in Fig. 6. The end edges of the front panel are offset and iianged rearwardly and arranged to support decorative end panels I8 which are preferably coated with vitreous enamel and are secured to the ends of the range front panel in spaced relation with the end frames I1. l

A rear panel i9 closes the back of the range behind the storage compartment (see Fig. 11) and a rear panel 2D closes the rear of the range behind the fire chamber and defines a draft opening controlled by the damper 2l. The space between the rear panels I9 and 20 is closed by the rear wall of the oven in a manner which will be described more particularly later.

The top front portion of the range front panel Il is offset inwardly as indicated at 22 in Fig. 2 and provided with inturned lianges 23 at the top and bottom thereof. The upper ilange 23 and the cooperating inturned anges 24 on the end frame members I1 (see Fig. 3) serve to support the top panel 25. The top panel is formed as a stamping from sheet metal and is preferably finished with vitreous enamel. The top is formed with an upwardly opening U-shaped groove 2E, the bottom of which is secured to the inturned flanges 23 and 24. The outer edges of the toD panel are bent into downwardly curved anges to form a substantially flush surface with the decorative end panels I8 and the doors on the front of the range.

Key plates or to-p panels 21 are formed of cast iron with depending flanges 29 near the edges thereof which are arranged to rest in the U- shaped groove 26 of the top panel. The edges of the key plate are spaced vertically above the top panel and overhanging the edges of the groove 26 as is indicated at 30 so that there is an air space between the key plate and the downturned flange aro-und the edge of the top panel. This prevents the edges of the range top from becoming heated to as high a temperature as the key plate which forms the cooking surface of the range. The overhang of the key plates also prea body panel 3| which is bent into a downwardly opening U-shape with out-turned flanges 32 along the rear edge thereof. It should be noted that the left side of the panel 3| extends downwardly further than the right side. The flanges 32 are welded Vto the oven back panel 33 which extends beyond the edge of the body panel and defines apertures E4 through which screws are passed to secure the rear of the oven to the rear panels I9 and 20. A rearwardly turned ange 35 along the top of the oven rear panel is also provided with bolt holes for securing the oven to the range top as is most clearly illustrated in Fig. 4.

A front flue panel is provided with forwardly turned anges 37 on its upper and lower edges, the lower flange being spaced back from the front of the oven and welded to the top of the oven body panel 3|. The forward flue lpanel is offset Valong its upper portion toward the front of the oven so that its upper ange 31 will abut against and cooperate with the inturned ange 23 on the range front panel to form an insulating space 38 over the front of the `oven (see Fig. 2). The forward edge ofthe oven body plate 3| is offset outwardly as indicated at-39 to abut against the under side oi the lower flange 23 of the range front panel and is pierced to receive screws `for 'attaching the oven to the range -front panel. Insulating material is packed between the front flue member and the top of the range front -panel as indicated.

The front flue member extends beyond the right hand side of the oven and has the side extension panel 46 welded to its under edge and extending downwardly along the side wall 4as is indicated in Fig. 10. The forwardly turned ange 31 is welded to a side flue panel which extends in spaced relationship along the right hand side of the oven. The side flue panel 4| is curved inwardly over the oven as indicated at 42 along its upper edge and is arranged to be bolted to the range top panel. An inwardly turned flange 43 along the rear edge of the side nue member is welded tothe rear panel 33 of the oven. The side flue panel extends downwardly beyond the bottomof the right wall of the body panel to even with the'left Wall-of the body panel.

A bottom flue panel 44 is provided with downturned flanges 45 onits sides `whicl'i are welded to the bottom oi the side ue member 4| and to the bottom of the left-hand wall of the oven body panel. A rear flange 46 on the bottom nue panel is welded to the rear panel of the oven and a downturned flange 47 on the front of the bottom flue member is arranged to rest upon the rearwardly turned flange 3 on the top of the front base member l.

An oven bottom panel 48 is provided with downturned flanges 49 on the sides and rear thereof which are welded to the inside of the oven body panel 3| and the rear panel 33. The bottom panel 48 is provided with embossed ribs 5f) and extends forwardly to the front of the oven. Cut-out portions 5| at each front corner of the bottom panel are provided to make room for the oven door hinges. A depending flange 52 is formed along the front of the oven bottom panel and the edges of the cut-outs 5|. A lower flue member 53 is welded to the flanges 52 and to the bottom flue panel 44. The lower flue member 53 denes a clean-out opening closed by a door 54 Athrough which soot may be removed from the flue formed between the bottom flue panel 44 and the oven bottom panel 48. An extension plate 55 provided with a forwardly turned ange 55 along its upper edge connects with the lower edge of the front flue member 40 and slopes backwardly and Vdownwardly to the bottom flue panel 44 to complete the closure of the side flue formed between lthe side llue panel 4| and the right side of the oven body panel. A baille plate 58A extends forwardly from the rear panel 33 between the oven bottom and the bottom flue panel to direct hot gases `to the front of the bottom nue.

The rear oven panel 33 denes a lower smoke passage 5l (see Figs. l and 2) which opens from the bottom nue between the oven bottom and bottom flue plates and an upper smoke passage 58 which opens over the top wall of the oven near the left-hand edge thereof. An elongated smoke flue 59 of generally channel-shaped crosssection provided with out-turned flanges 60 is welded to the back oi the oven rear panel Vto enclose both of the smoke openings El and 53. The flue 59 terminates at its upper end in a smoke outlet collar 59A arranged to be connected to a smoke pipe. A damper collar 62 is formed of cast iron and positioned in the upper smoke opening V58 and secured to the oven assembly by bolts as shown, after the oven assembly has been enameled. The collar 52 supports a damper door A53 by means V-of which the flow of smoke and hot lgases through the upper smoke opening may be controlled. The damper door 63 and draft door 2! are arranged to be controlled by a ksystem of linkage generally eindicated at 64 in Fig, l1 and operated by control knobs 65 on the side of the range. The details of construction and operation of the draft and damper doors are more particularly described and claimed in the patent Vto Robert C. Lang, No. 2,469,121, issued May 3, 1949, for Range Draft Control.

The oven assembly including the smoke flue is so designed that it may be completely assembled and welded into a unit. The assembly may then be hung from a suitable xture attached `to the upper rear flange ,35 and passed along a conveyor line Vthrough the necessary pickling, washing, and enamel vats, and then into a baking oven to coat the `entire assembly with a continuous surface of vitreous enamel which is indicated at I66 in Figs. Sand 9.

When hung by the upper rear flange the oven assembly will form no air pockets or liquid ltraps as it is carried through various dipping and drying operations. Air trapped within the lower flue may escape up the smoke flue 59 or side flue, and any air trapped in the top of the oven may escape through the hole provided for bolting the damper collar to the top of the oven, so that all surfaces of the assembly will be wetted and coated with the material in the bath. On removal of the assembly from a treating bath all liquid will drain from the outer surf aces and from within the lower flue through the cleanout opening in the front of the oven assembly. lThis procedure eliminates a great many handling operations of the assembly and further assures that no portion of the oven will be unprotected from the action of the hot gases around its outer surface or from cooking smokes and greases within the oven. The oven assembly will therefore be easy to keep clean and will last indefinitely.

In assembling the oven to the rest 4of the range, the assembly is passed through the rear of the range between the rear plates le and 2G until' the forward flange 39 mates in lapping relationdecorative panel may then be fastened to the range body by the metal screws as is indicated in the drawings.

The oven door hinges consist of U-shaped pivot members 59 which are secured within the spacedl walls 1!) of the oven door and the fixed hinge members H which are most clearly illustrated in Figs. 12 and 13. The fixed members 'H consist of a vertical plate notched at 'l2 to fit over the front of the front base member I on each side of theoven opening and outwardly pressed ears 'i3 which are folded over the front of the range front panel Il and secured thereto by the bolts 14. The tops of the vertical pieces 'il are secured to the inturned flanges of the decorative front panel and the range front panel by the screws l5 and are further provided with inturned ears 'H6 which form stops for limiting the downward movement of the oven door. Ears 'El formed on the movable pivot members 69 Cooperate with the stops 16.

A bar 'i3 of U-shaped cross-section is welded to the front base member i immediately below the oven assembly and in the center of the door opening. The end of the U-shaped member is bent into a sloping section 'i9 which pivotally supports a pulley 8U. A coil spring 8| positioned inthe U-shaped member 13 is connected by means of a cable 82 to the left movable pivot memb-er 69 and adjustably anchored to the end of the U-shaped member 18. The spring is thus arranged to counter-balance the weight of the oven door. It will be noted that the U-shaped member 'i8 and the spring 8l are easily accessible on the front of the range and are spaced from the interior of the oven so that the spring will not be subiected to high temperatures. Thus the spring is not apt to deteriorate in use. A lower decorative vpanel 83 is arranged to nt over the spring and the lower portions of the door hinges and to cooperate with the oven door in forming a completely enameled front surface for the range. Doors '8E supported on the ends of the range by hinges enclose the storage section of the stove and the fuel and ash doors at the other end of the stove to complete the front of the range.

lHeavy baffle plates 86 are bolted to the upper left hand corner of the oven where it will be subjected to the hottest portion of the re and fire pot liners 8l are hung from the baflie plates. Suitable grates 88 are supported from the range front panel H and the rear panel 2l). The side walls of the oven are embossed to form guide and support rails 89 for the oven shelves 90. The rails 89 are so spaced that they will engage the upturned rear ends 9| of the shelves and prevent the shelves from tipping when they are drawn out of the oven. Downwardly curved stops 92 in the rails 89 prevent the shelves from being drawn entirely out of the oven without rst lifting the front of the shelves.

The invention has been described in an embodiment which has been found to be highly satisfactory. No attempt has been made to show other possible adaptations, as it is believed that this disclosure will enable those skilled in the art to adapt the invention as may be desired.

Having thus described our invention, what we claim as new and desire to secure by Letters Patent is:

l. A solid fuel burning range comprising stamped sheet metal frame members shaped to provide a continuous rail along the top thereof and defining central openings in the front and rear of said range, the opening in the rear of said range being larger than the opening in the front thereof, an integral oven assembly secured to the edges of said openings and having walls forming a flue along a side and bottom thereof, a door for closing said oven supported on said frame, end doors closing Hush with said oven door for concealing substantially all the front of said frame, decorative end panels covering the ends of said frame and positioned flush with the end edges of said end doors -in the closed position thereof, a stamped sheet metal top panel having an upwardly opening channel section supported on said rail and an outwardly and downwardly turned rim terminating in substantially flush relationship with said doors and end panes, a key plate of heavy metal having a. depending flange around the outer portion thereof positioned in said channel section, said key plate cooperating with said oven assembly to form a nue along the top of said oven, a smoke flue integrally formed with vsaid oven assembly and on the back thereof,

said smoke ue communicating with said flue at the top of said oven and said ue at the bottom of said oven, and means positioned in said range at the opposite end thereof from rsaid side flue on said oven for defining a nre chamber, said oven assembly and top panel each having a continuous vitreous enamel nish.

2. A solid fuel burning range comprising stamped sheet metal frame members shaped to provide a continuous rail along the top thereof and defining central openings in the front and rear of said range, an integral oven assembly secured to the edges of said openings and having walls Aforming a flue along a side and bottorn thereof, a door for closing said oven sup'- ported on said frame, end doors closing flush with said ovenn door for concealing `substantially all the front of said frame, decorative end panels Yc oveiirls the ends f ,Said frame Aand positioned hush with the .end edges .of said end doors ,in the closed position thereof, a stamped Asheet metal top panel having an upwardly opening channel section supported ,on said rail Aand an outwardly and downwardly .turned rim Aterminating in substantially flush relationship with said doors and end panels, a key plate of Vheavy metal having a depending flange around the outer portion thereof positioned in said channel section, said key plate cooperating with said oven assembly to form a 4flue along the top of said oven, a smoke flue integrally formed with said oven assembly and on the back thereof, lsaid smoke flue communicating with Nsaid flue at the top of said oven and said wf iue at the bottom of ysaid oven, and means positioned in usaid range at the opposite end thereof from said side flue on said oyen for defining a rke chamber 3. In combination with a solid fuel 'burning range having a front panel member of stamped sheet metal defining an vinwardly flanged oven opening and rear ,frame members on each end of the back thereof, an oven unit comprising a rear panel secured between the adjacent edges of said rear frame members, a continuous LJ shaped body panel welded to said rear panel and extending forwardly into lapping relationship with the iiange on said front panel, one side of said body panel extending lower than Vthe other side thereof, Ya top flue panel welded to the top of said body panel and having a forwardly turned flange along the top thereof `abut- -ting against said front panel, a side extension panel welded to the side of said body panel and merging with said top flue panel, insulating material positioned between said top flue panel, said side extension panel, and said front frame member, a side flue panel welded to lsaid `i'ear panel and to the side of said side extension panel and positioned in spaced relationship with the short side of said body panel and extend- .ing thereabove and therebelow, a bottom -ue panel welded to said rear panel, side flue panel, and the bottom edge of the longer side of said .body panel, an oven bottom panel welded to said rear lpanel and the sides of said body panel in spaced relationship with said bottom flue panel, a front flue panel closing the opening between said bottom ue -panel vand said oven bottom panel and welded thereto along -the front ,of said oven, a closure panel Welded to said side flue panel and to the side of said body panel and said front due panel, said rear panel defining a lower smoke outlet opening into the space between said lbottom flue panel and said oven bottom panel and a second smoke outlet opening above'the topvol said body-panel, and a smoke flue panel having a-generally VU-shaped 'cross-section welded to the back of said rear sheet metal defining an .inwardly flanged oven vopening and rear frame members on ,each end of the back thereof, an oven .unit comprising a rear lpanel lapped upon the adjacent edges of said rear frame members, a U-shaped body'panel welded to said rear panel and .extending lforwardly into lapping relationship with Ythe flange A'on said front paneLone side of v,said body panel extending lower than the Y.other Side thereof, -a ,top nue panel welded to the top o f said body panel and Vnear the forward edge thereof in spaced relationship with said front panel meniber, a side extension panel welded to the side of said body panel and merging with said top flue panel and spaced from said front panel, a side vue panel welded to said rear panel and to the side of said side extension panel and ,positioned in spaced relationship with the short side of said body panel and extending therebelow, a bottom flue panel welded to said rear panel, side nue panel, and the bottom edge of the longer side of said body panel, an oven bottom panel welded to said rear panel and the sides of said body panel in spaced vrelationship with said bottom flue panel, a front flue Apanel closing the opening between said bottom flue panel and said oven bottom panel and welded thereto along the front of said oven, and a.clos ure panel welded to said side flue panel and to `the side o f said `body panel and said front flue panel, said rear panel defining a lower smoke outlet opening into the space between said bot- ,tom flue panel and oven bottom panel and a second smoke .outlet opening above the top of said ,body panel, said front flue panel dening a clean-out aperture, the lower edge of which is flush with said bottom flue panel.

5. In combination .with a solid fuel burning range having a front Vpanel member of stamped sheet metal defining 4an inwardly flanged oven opening and rear frame members on each end -of the rear thereof, -an oven unit comprising a rear panel lapped upon the adjacent edges of said rear frame members, a U-shaped body panel welded to said rear panel and extending forwardly linto lapping relationship with the flange on said front panel, one side of said body panel Aextending lower than the other side thereof, `a top vflue panel welded to the top of said body panel `and spaced from forward edge thereof,

Aaside extension panel welded to the side of said bodypanel and merging with said top flue panel,

-a side .iue panel welded to said rear panel and to the side -of said side extension panel and positioned `in spaced relationship with the short side of said body panel and extending therebelo,w, a bottom flue member welded to said rear panel, side Vflue panel, and the bottom edge of lthe klonger side of said body panel, an oven bottom panel welded to said rear panel and the 'sides'of said body panel in spaced relationship with said bottom nue panel, a front ue panel closing the opening `between said bottom flue panel `and Vsaid oven bottom panel and welded .thereto along the front of said oven, and a closure panel welded to said side nue panel and to the side of said body panel and said front flue panel, said rear panel defining a lower smoke .outlet opening into-the space between said bot- ;tom flue panel and said oven bottom panel and a second smoke outlet opening above the top of said body panel.

6. vIn combination with a solid fuel burning range lhaving afront panel member of stamped ,rsheet metal defining an inwardly flanged oven `opening and rear frame members on each :end

ofthe Vrear thereof. an oven unit comprising .a rear panel llapped Upon the adiacent edges of said rear frame members, a U -shaped body panel welded vto said rear panel and extending forwardly into lapping relationship -with the angeon said front panel, one side of said body panel extending lower than the other side thereof, a side flue panel welded to said rear panel and extending forwardly in spaced relationship with the short side of said body panel and extending thereabove and therebelow, a bottom ue panel welded to said rear panel, side flue member and the bottom edge of the longer side of said body panel, an oven bottom panel welded to said rear panel and the sides of said body panel in spaced relationship with said bottom nue panel, a front nue section closing the opening between said bottom ilue panel and said oven bottom panel and welded thereto along the front of said oven, and a closure nue, section welded between said side ilue panel and the side of said -front iiue section and the side of said body panel and extending along the top of said body panel in spaced relationship with said front panel, said rear panel defining a lower smoke outlet opening into the space lbetween said bottom ue panel and said oven bottom panel and a second smoke outlet opening above the top of said body panel.

7 A solid fuel burning range comprising frame members forming a rectangular generally flat sided body with a at upper stamped sheet metal rail, door members rearwardly flanged to be of substantial thickness mounted on the front of said range and terminating below said rail, decorative end panels supported upon said frame in substantially spaced relationship therewith, a stamped top panel having an upwardly opening channel-shaped portion supported on said rail and dening a central opening substantially co-extensive with the top of said body and an outwardly and downwardly curved rim portion terminating in substantially flush but vertically spaced relationship with said door members and end panels, and a cast metal sectional key plate having depending ilanges supported in said channel portion of said top panel, the edges of said key plate extending outwardly beyond said depending ilange and said channel portion and in vertically spaced relationship above the top of said rim portion, said door members, end panels, and top panel being finished with a vitreous enamel.

8. A solid fuel burning range comprising frame members forming a rectangular generally nat sided body with an upper stamped sheet metal rail, door members rearwardly langed to be of substantial thickness mounted on the front of said range, decorative end panels supported upon said frame, a stamped top panel having an upwardly opening channel-shaped portion supported on said rail and dening a central opening substantially co-extensive with the top of said body and an outwardly and downwardly curved rim portion terminating in substantially iush nontouehing relationship with said door members and end panels, and a key plate having a depending flange supported in said channel portion of said top panel, the edges of said key plate extending outwardly beyond said depending flange and said channel portion and in spaced relationship above the top of said rim portion, said top panel being nished with a vitreous enamel.

9. A solid fuel burning range comprising a generally ilat sheet metal front frame member defining an inwardly flanged oven opening, an integral oven member defining oven space with a ilue along the side and bottom thereof and having its forward edge secured to the flange around said opening, a decorative trim panel extending along the top and sides of said oven opening and having an inturned flange secured to said front frame member and the front of said oven 'memben said front frame member being inwardly recessed around said oven opening whereby said trim panel is substantially flush with the front of said frame member, decorative end doors for concealing the end portions of said front frame member up to the sides of said trim panel, an oven door having a decorative finish for closing the front of said oven and covering said trim panel in the closed position of said oven door, and a bottom trim panel for covering said front frame between said end doors and below said oven door, said bottom trim panel concealing means for balancing said door, said end doors, oven door, and bottom trim panel having approximately the same thickness.

JAMES M. COOK. ROBERT C. LANG. SHIRLY C. SALTER.

REFERENCES CITED 1 The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,127,229 Goldhamer Feb. 2, 1915 1,384,157 Sass July 12, 1921 1,502,392 MacInnes July 22, 1924 1,568,357 Walker Jan. 5, 1926 1,688,019 Pickup Oct. 16, 1928 1,710,770 Forshee Apr. 30, 1929 1,834,019 Dana Dec. 1, 1931 1,954,182 Rasmussen Apr. 19, 1934 1,980,769 Teller et al Nov. 13, 1934 2,043,439 Klute June 9, 1936 2,072,276 Pickup Mar. 2, 1937 2,126,109 Hanson Aug. 9, 1938 2.141,808 Brodbeck Dec. 27, 1938 2.295,915 Ring Sept. 15, 1942 2,330,495 Karges Sept. 28, 1943 2,401,977 Smallwood June 11, 1946 FOREIGN PATENTS Number Country Date 90,444 Sweden Oct. 5, 1937

Images