US2178635A

US2178635A - Stove

Info

Publication number: US2178635A
Authority: US
Publication date: 1939-11-07
Anticipated expiration: 1956-11-07

Description

S. F. JACKES Nov. 7, 1939.

STOVE Filed Jan.- 21, 1938 FIGZ."

I I I I l I I I I I I I I I I I I I I I I I I Patented Nov. 7, 1939 PATENT OFFICE STOVE Stanley F. .llackes, St. Louis, Mo., assignor to Jackes-Evans Manufacturing Company, St. Louis, Mo., a corporation of Missouri Application January 21, 1938, Serial No. 186,104

1 Claim;

This invention relates to stoves, and with re- :gard to certain more specific features, to draft apparatus for stoves.

Among the several objects of the invention :3 may be noted the provision of a preheating flue for heating intake air before sending it through a stove; the provision of preheating apparatus which sends the preheated air through the ashdoor opening and is removable from the opening so that ashes may be removed; and the provision of apparatus'of this class which is of substantially constant efficiency against air leakage throughout its life and which is simple to construct and to operate. Other objects will be in part obvious and in part pointed out hereinafter.

The invention accordingly comprises the elements and combinations of elements, features of construction, and arrangements of parts which will be exemplified in the structures hereinafter described, and the scope of the application of which will be indicated in the following claim.

In the accompanying drawing, in which is illustrated one of various possible embodiments of the invention,

Fig. 1 is a side elevation of a stove showing the application of the invention thereto;

Fig. 2 is an enlarged, fragmentary front elevation;

Fig. 3 is a Vertical section taken on line 3-3 of Fig. 2;

Fig. 4 is a horizontal section taken on line 4-4 of Fig. 2;

Fig. 5 is an elevation of a draft inlet elbow, viewed from the inside;

Fig. 6 is a plan View of Fig. 5, turned at 90 clockwise; and,

Fig. 7 is a plan view of a frame member for receiving the elbow of Fig. 5.

Similar reference characters indicate corresponding parts throughout the several views of the drawing.

Referring now more particularly to Fig. 1, there is shown at numeral I a stove having the ordinary flue 3 at the rear of the stove. At the front of the stove is the ordinary draft inlet opening 5 (Fig. 3) which also should serve as a point from which ashes may be removed from the stove. The necessary draft for the stove ordinarily takes the path shown at numeral 1 in Fig. 1, that is, from the lower front portion of the stove to the upper rear portion thereof.

At numeral 9 is shown a length of stove pipe or the like at the upper end of which is a draft control damper ll. Pipe of this class has heretofore been used in connection with stoves, the

pipe having been attached permanently by suitable means at its lower end located over the draft inlet 5.

The purpose of the down-draft pipe was to cause the air for the draft to be preheated by 6 radiation from the body of the stove, as said air passed downwardly. The disadvantage of this structure has been that it permanently closed the draft inletopening 5, so that ashes could not be removed except through the top opening of 10 the stove or, in the constructions wherein ashes could be removed, complications inhered, and a device inferior to the present one was obtained at an expense to the user which was greater than the cost of the present device. The top opening 15 of the stove in Fig. 1 is shown as being covered by a lid I3.

The present invention permits the use of a down-draft preheating flue for directing air through the ash removal opening, but by im- 20 proved but economical means permits said opening to be opened or covered.

My invention comprises a preferably cast-iron frame [5 having a curved flange I! which is bolted to the curved body of the stove I and 25 around the opening 5. This frame includes a three-sided extension having an opening I9 around the sides and bottom of which is formed a groove 2|. The top portion of the opening I9 does not have the extension carrying said groove 30 2 l, but is open as shown at numeral 23 in Fig. 7.

It will be observed that the opening within the grooves 2| is in a single plane. The frame I5 at the flange I! adapts itself to the contour of the stove, and the opening within the groove 2| 35 is adapted slidably to receive a flat member to be described.

At numeral 25 is shown a preferably cast-iron elbow at the lateral outlet 21 of which is formed a flange 29. The flange 29 forms a shield which 40. has edges or tongues 3| on the sides, and a lower edge or tongue 33. These edges slidably cooperate with the groove 2|. By means of the shield effect of the flange 29, the opening I9 is closed, when the edges 3| are slipped into the groove 2!.

The upper entry of the elbow 25 is made as a short sleeve 35, around which is a flange 37 having lateral portions 39. The lateral portions 39 have downward fingers 4| which hook over the upper ends of the grooved portions 2|. The curved portion 43 fits the front side of the upper portion of the frame I5, as shown in Fig. 3.

Portions

39 and 43 form a horizontal flange to 55 seal the top of the connection. "The other'sides are sealed by the tongues and grooves. i The purpose of the upper sleeve'35is to support a length of stove pipe 45 whiohcreaches upwardly parallel to the front of the stovefand uponthe upper end of which is the controllable draft inletll.

From the above itwillfbeseen that theassrnbly of the elbow 25 with the pipet maybe lifted" up, whereupon the shieldj29 'm ayslide' frornfthe IS with a shovel orjthe like for ash'r emoval;

7 The operation of removing parts 25 (with mjis performed when the stove is cool enough to per- I mit it, or when suitable gloves are used. Thepresent invention permits of such quick removal that the operation 'may be accomplished with 1 suitable gloves while the stove is hot.

The fact that the elbow portion. of Fig. 5 is applicable'by sliding it down intothe grooves in applied laterally and because there is no force exerted laterally of the motion tocause sticking.

No tools are required for removing the elbow 25 Furthermore gravity normally effects closure, and i wear and abuse have no deleterious effects upon the ability of the closure to maintain asatisfactory seal'against air leakage. Also, all hinges, closuredetents and like auxiliaries, such as are frame l5. This permits entry into the opening;

the frameportion l5vis advantageous. .ThiSQiS I because thesliding parts are. lesslikelyto stick. during up and down motion thanu if they were 1 used with hinged dooreonstructions, are avoided. *"The weight of the elbow and flue are applied to efiect seating by movement of translation only. i In View of the above, it will be seen that, then several objects of theinvention are achievedan 5 o theradvantageous results attained.

e As many changes coulcl be made inbarrying out the above constructions without departing H A fr omthe'scope :of the inventiomitis intended c that allmatter [contained in the abovedescription or shown in the accompanying drawingshallfbe' intelpreted as illustrativeand not in'a limiting sense. f

, :I claim:-

opening for draft inlet and ash-removaland an upright pre-heater flue, comprising means 'associated with saidistove opening providihgcsubstantially vertical, guides; elbow means supporting said flue: and: having an opening communicating therewith tomeeeivaair; from the. flueand also [having a lateral opening for communication with the stoveiopening, and shield means on said elbow substantially vertically sliding insaid guides and adaptedto be applied to'said guides and'removed' 25:

' therefrom, the shield means moving gravitationally to a seatto substantially seal the opening I I in the stove, the weight of the elbow and flue being applied: toeliect seatingby-mov'enient of STANLEYF. JACKES'.

. Apparatus 'for 'astc-ve has a downward translation only. 3