US2258824A - Convertible gas and coal range - Google Patents

Description

Oct. 14, 1941. J. T ELLER ETAL 2,258,824

I v CONVERTIBLE GAS AND CQAL RANGE I Filed Feb. 7, 1958 2 Sheets-Sheet 1 INVENTORS c/acod fZ/er BY JgIZJd/Z LYZ'JZZZZ,

ATTORNEY.

0a. 14,1941. J, TELL R m 2,258,824

CONVERTIBLE GAS AND COAL RANGE Filed Feb. '7, 1958 2 Sheets$heet '2 INVENTORS ATTORNEY.

use.

- objects of the invention,

Patented on. 14, 1941 r UNITED STATE CONVERTIBLE GAS AND COAL RANGE Jacob Teller, Chicago, I

Michigan (Jity, Inch, as

111., a partnership Chicago,

Tellerand Jacob Teller Application February 7, 1938, Serial No. 189,214 1 Claim. (Cl,- 126-39) This invention relates -to a convertible coal and gas range. A primary object of the invention is the provision of a range which is readily convertible for-the use of solid fuel or gas as the heating medium. I

A further object of .the invention is the provision of a range which embodies in its construction a cooking top and an oven, 9. burnerfor solid fuel disposed below the cooking top and a flue extending fromthe burner and in surrounding relation-to the oven whereby both the cook- .ing top and oven may be heated by burning solid fuel in the fuel box, the range further embodying inits construction a-gas manifold having valve controlled nozzles. disposed adjacent 010$- able openings adjacent the cooking top and over whereby plate supported lids used in the cooking top when burning solid fuel may readily be replaced by gas burners having mixi heads for extension through the openings and into alinement with the nozzles.

A further object of the invention is the provision of a convertible range construction having a compartment for accessible storage of the plate supported lids or gas burners when not in A further object of the invention is the provision of a range construction having a gas manifold secured'to the rear wall thereof, the maul-- fold having valve controlled nozzles for operative alinement with mixer heads in gas burners,

and the valves controlling the nozzles being operable by rods extending through the range and operatively connected to lever handles disposed in a recess in the giront of the range, the recess being ,iully closable by a door only when the lever handles are in a position to close the valves thereby assuring that none of the valves are inadvertently left A still further object of the [invention is the provisionof a convertible coal and gas range which is relatively simple in construction and which embodies relatively few removable and interchangeable parts for adapting the, range for use with solid or gaseous fuel.

For a fuller understanding of reference should be had to the following detailed description taken in the oven 9, enter the nature and 11., and Arthur P. Schulz, signors to G. & .l. Teller,

composed. of Grace Fig. 2 is .a similar view equipped for use with gaseous fuel.

Fig. 3 is a transverse vertical sectional view disclosing in particular the gas nozzle valve conthe closable openings for heads for gas burners, the

trolling means and. receiving the mixing .view showing the cooking top provided by plate 'planes' substantia1ly as represented by-the broken line 66 in Fig. 2.

Referring nowmore ings by numerals of reference l designates gen: erally the combination range embodying the tea-J tures of the invention, said range including side walls 2 and 3 respectively, and front and rear walls e and 5;, the. top being shown at 5. The

wall2, top 6 and intermediate wall 8, which constitute the housing for an oven 9; are formed of spaced platesproviding dead air chambers l8, each of which may be packed'with suitable in- ,sulating material 6 I.

The oven 9 is supported within. the housing formed by the walls 2, 6 and 8, and in spaced relation thereto, through the medium of spacer blocks I2, to provide a continuous and surrounding flue through whichtravel the productsof combustion as shown by the arrows, from the firebox M of the coal or other solid fuel burner, the grate for which is shown at H5. The bottom of the housing is indicated at it, the floor 9' of the oven 9 being maintained in spaced relation thereto through the spacer blocks ll. The waste products of combustion, after passing around the space beneathit and discharge through an opening it in the rear wall of the range'into a Stovepipe, not shown.

Arranged beneath the oven housing, is a utility drawer lfi having guide flanges 29 slidable 25, mounted respectively upon the inner faces of the sidewall 2 within angle irontrackways and apartition wall 22..

connection with the accompanying drawings.

Adjacent the oven 9,8.i1d above the coal burntop generally indi' er firebox" it, is 'the cooking cated at '23, and referring at this point to Fig, 1.

said cooking top is formed of the lid supporting plates 24 having-the regular lid openingscovered 56- the removable lids 25, which areof such form showing the range particularly to the drawthat the plates and lids may be handled as a unit. It is to be noted, however, that the lateral edges of the plates are flanged as at 21, one marginal flange resting over a portion of the upper. edge of the stove atone end thereof, while the other rests upon a. shoulder 28 formed along the lower edge of the intermediate wall 8.

Between the surface formed by these top plates 24 and the top wall 29 of a compartment 30,

K which houses certain elements of valve mechanism to be later described, is the flue 3i, which carries the hot products of combustion from the firebox I 6, under the cooking top 23 and thence to the flue spaces surrounding the oven ii. Below the firebox M is the usual ash pit 3,2 and clean out door at.

The compartment til Justreferred to, is formed in addition to its top wall ill, by lateral walls M and 355, the former being in fact, a lower continuation of one of the side walls of the oven 9, in addition to which, it functions as partial support for the oven bottom 9' as indicated at 36. The cooking top section of the range is provided with a splasher back 3i.

Below the compartment to previously referred to, the lower wall of which is indicated at $8, is

a storage compartment 39, having a plurality of shelves Ml to receive the coal burner cooking top plate and lid members 2% and 25 as shown in Fig.2, or the gas cooking top burner and plate members ll, and the gas oven burners 42, as shown in Fig. i, when not in use.

from the front plane of the stove, to provide a recess 82 of a depth less than the length of the valve lever handles ll, so that, when any one of the handles is'swung forwardly and downwardly to open its respective valve I4, the free end thereof will project beyond the front plane of the stove, and into the path of. movement of a door II which is hinged at its lower edge at l4 to a portion of the stove body, whereby it marbeswung outwardlyand downwardly to p rmit access to the several valve rod operating lever handles I8. The arrangement just described functions as a safety measure. since all the valves 64 must be shut oil before the door 83 can be closed, it being understood that when the handles iii are in vertical position, the valves are turned to interrupt the flow of gas from the manifold iii to the mixer tubes 66, and when in horizontal position said valves are open. The door 63 is provided with a g handle 65.

When in use as a, coal or solid fuel burning a range, the top plate and lid structure described are disposed over the firebox i l and flue ti as is shown in Fig. l, and the range functions in the usual manner. However, when in use as a gas burning range, the following constructions areemployed to convert it from'a coal to a gas cool:- ing apparatus as illustrated in Figures 2 and 4: The lids and plates 24 and 25 are removed and may be' placed in the storage compartment til, the burners ll, shown in enlarged perspective in Fig. 5, being substituted therefor, and the details of which form the subject matter of a copending application.

In general, these burners and plate members 4| include the gas burner 43 formed integrally with the supporting plate 44, the latter having cast therein, gas conduits 45 which lead to said burners 43, air and gas mixer tubes 46, also cast with the plate extending from the rear end thereof. When arranged for use upon the top of the range frame as clearly shown in Fig. 4, the mixer tubes 48 extend rearwardly of the stove through openings 41 formed in the rear vertical continuation 48 of the flue wall 29, said openings being closed when the burners are removed by hinged doors 50.

Arranged at the rear of the range and extending longitudinally thereof is a gas manifold II, from which lead a plurality of gas pipes 52, the upper ends of which terminate in nozzles 53, which, respectively enter theseveral mixer tubes 48, as shown in Figure 4. Each of the gas pipes 52 is provided with a rotary valve I4, controlled through the medium of a reciprocatory valve rod I! which extends transversely of the range within the chamber 30, the rear end of each rod being connected to the valve lever 58, while the forward end is pivoted to an intermediate portion 51 of a forwardly swinging lever handle 59 hinged at its iowerportion at 80, to a vertical plate 8| which is disposed below the flue plate 29.

' It will be observed that the plate Si is set back When functioning as a gas range, o. removable burner 66 is employed for use as the heater for the oven 9, and, as shown in Fig. 2, it may assume the position shown in full lines, where it acts to heat the oven for baking purposes, or as shown in dotted lines, he supported adjacent the top of the oven for broilinl; p ses.

In general, the burner tit is substantially similar to the burners 4 I, however, with these modifications: It need have only a single mixer tube at at the rear, and, to permit it to rest upon the oven bottom 9', it is provided with cast legs lit and a hot plate 09 supported upon and in spaced relation to the upper face of the burner by spacer studs ill, the several elements just described being formed as a unitary coating. The mixer tube 61 is adapted to project through an opening I! in the rear wall of the oven, which opening is adapted to be closed when the range is functioning as a solid fuel heater, by sending or otherwise movable door l2. When the burner M is in position, the nozzle 13 of the gas tube 74 enters the mixer tube in the usual manner, and gas is supplied to a When the oven 0 is functioning in the capacity of a broiling compartment,-the burner It acts as a broiler, and is supported within and near the top thereof, being, as shown in dotted lines in Fig. 2, mounted upon brackets 18 wall of the oven, the lateral edges of the hot plate 69, resting on'the flanges thereof as is clear. In such position. the mixer tube extends through an opening I! in the upper portion of the rear -wall of the oven. and cooperates with the nozzle of the gas supply pipe II, which in turn connects with the manifold ll having a valve similar to valves I4 controlled through the manipulation of the valve handle 83. A door 84. similar to door 12 is also employed to close the opening I! when the burner 68 is removed from the oven. The entire range structure ismounted upon asupporting base ll. r

While we have disclosed but a single Specific embodiment of our invention. same is to be consecured to the top said opening and selectively opening and closing the opening, a manifold fixedly supported from the said back wall, a pipe leading from said manifold and having a forwardly directed terminal nozzle alined with said opening, a removable range top member supported at its front edge from said front wall and extending rearwardly to the rear wall, a gas burner carried by the range top member, and a fuel conduit carried by the range top member and communicating with the burner, said conduit having an opening at its 5 rear end adapted to fit removably on said nozzle.

JACOB TELLER'. ARTHUR P. SCHULZ.

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