Патент USA US2408922код для вставки
t. s, 1946. 2,468,921 E. ESSON STOVE FOR BURNING SOLID FUELS AND ASH CONTAINER THEREFOR Filed Sept. 22, 1943 3 Sheets-Sheet l \\\ \\ \u. \“ \\\\\\\\\l\\\\ \\\\\\\\ \\\\\ \\\\ O. I? “a.” ?gZ? ‘ I /v, .M 1I w W H1 3M\ 1%. HW“l “Mam aMy;m”. w %v 7 3 55 57 I0 3 mm mR fdW/h fsspn. fwgg’ 1/, Maw ATTORNEY & ‘$415. E. EssoN 2,403,923 STOVE FOR BURNING SOLID FUELS AND ASH CONTAINER THEREFOR Filed Sept. 22, 1945 I ‘7 m ’ ' - 3 Sheets-Shae’; 2 I 'l! 2 . 42 " 42 J z? ' I 7o 45 “iik Z5 60 27 . \v“ 45 6,6, 0 77 v1‘; ‘84 8/ . INVENTOR ‘ fa’wli? Essen. BY ' A TTORN Oct. 8, 1946. E. ESSON 2,408,921 STOVE FOR BURNING SOLID FUELS AND ‘ASH CONTAINER THEREFOR‘ Filed Sept. 22, 1943 3 Sheets-Sheet 3 INVENTOR 6'6 Edw/h Essa/2. ' Mam . A TTORNEY 2,408,921 Patented Oct. 8, 1946 UNITED STATES PATENT OFFICE 2,408,921 STOVE FOR BURNING SOLID FUELS AND AN ASH CONTAINER THEREFOR Edwin Esson, Kansas City, Mo., assignor to Locke Stove Company, Kansas City, Mo., :3. corpora tion of Missouri Application September 22, 1943, Serial No. 503,348 4 Claims. (Cl. 126-245) 1 2 This invention relates to heaters, particularly those for burning solid fuels, and has for its prin cipal object to provide a heater structure which facilitates handling of the ashes that result from burning of the fuels. Other objects of the invention are to provide and rear walls 3-4 and side walls 5-6 that are ?anged inwardly along the lower edges as at 'i for support on a base 8, a bottom plate 9 being inserted between flanges In on the base and the ?anges ‘I as best shown in Fig. 3 to form the floor of an ash compartment ll. Supported by the walls of the casing in upwardly spaced relation to the floor 9 is a grate basket 12, carrying a grate a heater with a readily operable drawer for con taining the ash receptacle; to provide a heater with a unitary ash drawer and ash compartment l3 which forms a top of the ash compartment and are illustrated in the accompanying drawings In a heater of this character ash may tend to settle within the recesses Hi to block the passage door; to provide a single locking mechanism for 10 the bottom of a fuel magazine It provided in the upper portion of the casing. retaining the unit within the ash compartment; In the illustrated device, the fuel magazine is to provide for stopping the opening movement of formed by ?ue tiles l5 positioned within the cor the drawer; to provide an ash drawer that is sub ner of the casing and spaced apart by refractory stantially self-closing; and to provide a drawer and a track therefor that is kept free of ashes 15 blocks It supported upon the marginal edges of the grate basket. Formed in the grate basket be so that there is no interference with movement low the ?ue ducts I‘? of the tiles are recesses 18 of the drawer to and from the ash compartment for directing combustion supporting air to the of a heater. lower ends of the flue ducts ll that are provided It is also an object of the invention to provide a simple light-weight construction wherein the 20 in the flue tiles Hi. The grate i3 is oscillatably supported in the grate basket and has a plurality major parts may be readily and inexpensively of slot-like openings IQ for passing ashes from formed of cast metal. the grate basket into the ash compartment and In accomplishing these and other objects of combustion supporting air from the ash compart the present invention, I have provided an im proved structure, the preferred forms of which 25 ment to the fuel magazine and ducts ll. wherein: _ to the flue ducts IT, and to avoid this difficulty, Fig. 1 is a perspective view of the lower front each of the recesses I8 is provided with an agi portion of a heater equipped with an ash compart ment and drawer embodying the features of the 30 tator 20 conforming in shape thereto and having a pivot 2| projecting downwardly from the bot present invention, the drawer being shown in pro tom thereof and supported within a slot 22 formed jected position with the ash receptacle removed in the bottom of the recesses whereby the agi therefrom. tators may be oscillated upon’ operation of the Fig. 2 is a cross-section through the ash com partment of the heater taken on the line 2-2 35 grate l3, through pin and slot connections 23. The front wall 3 of the casing is provided be of Fig. 4. low the grate with an opening 24 accommodating Fig. 3 is a sectional View ShOWing the drawer a door frame 25 having sides 26 connected by top in side elevation and in partially projected posi and bottom rails 21 and 28. The frame also in t-ion. Fig. 4 is a section on the line 4—5 of Fig. 2. 40 cludes a marginal ?ange 29 by which the frame is attached to the casing 2. Supported within the Fig. 5 is a perspective view of the rear support ash compartment H about midway of the rear ing bracket for the track members. wall 4 is bracket 30 which is best illustrated in Fig. 6 is a horizontal section through the heater Fig.5. The bracket includes a plate-like body at a point directly above the grate through which 3| having upper and lower pairs of projections ashes are discharged into the ash compartment. or pins 32 and 33 to support a crossbar 34 there Fig. 7 is a fragmentary section on the line 'i—l between as later described. The bracket also in in Fig. 6 showing the agitator for preventing clogging of the inlets to the gas burning ?ues of the heater. cludes a leg 35 terminating in a foot 35 that is adapted for support on the ?oor I9 directly above 50 the ?anges ‘I and 9. The bracket also includes Fig. 8 is a perspective view of one of the agi tators. Fig. 9 is a perspective view of the ash receptacle. Referring more in detail to the drawings: 1 designates a heater equipped with my inven tion and which includes a casing 2 having front 55 a head 3'! adapted to cooperate with the casing and door frame 25 in supporting the grate as best shown in Figs. 3 and 4. The bracket is re tained in position by suitable fastening devices extended through openings 38 therein and 2,408,921 3 4 through registering openings in the rear 'wall 4 of the casing 2. The crossbar 34 when supported between the pairs of pins 32 and 33 extends transversely of to be guided thereby when the drawer is moved to projected position. the rear wall of the ash compartment spaced slightly below the grate basket and the ends thereof supporting the rear ends of track mem bers 39 and 4G. The track members 39 and 40 are of substantially channel shape in that they have inwardly facing webs 4| provided with lat-_ eral ?anges 42 and 43 which provide upper and" lower guides for drawer supporting rollers 44 and 65 later described. The track members incline upwardly toward the front wall-3- andvthe for- ‘ ward ends terminate short of the door frame to provide gaps 46 to accommodate the rollers when they are to be removed from‘the tracks ‘for pur poses later described. In order to provide stops for the rollers the lower ?anges 43 of the tracks have depressions 41 ‘therein as shown in Fig. 3. The upper ?anges 42 at the forward ends of the tracks terminate In order to support the front of the drawer the bottom rail of the door frame 25 carries ears ‘H for journaling rollers 12 that are engaged with inset faces 73 of the side members of the drawer as shown in Figs. 3 and 4. In order to lock the drawer in retracted posi tion and at the same time secure the door 59, the respective sides of the door carry shafts ‘I4 and 'l5‘provided'with handles 16 on the outer ends and lugs 11 on the inner ends which are adapted to engage keepers l8 projecting from the side members of the door frame as shown in Fig. 4. Combustion supporting air is admitted to the ash pit through an opening 19 provided in the front panel of the door and which is closed by a shut ter??pivotally mounted on a cap-screw 8| as shown in Fig. ll, the shutter being provided with a knob or lug 32 on the outer side thereof to facilitate movement thereof to and from open position. The ash receptacle is best illustrated in arms 48 that are attached to lugs 49 depend in Fig. 9 and includes a sheet metal body 83 hav ing. from the upper rail 27 of the door frame 25v ing sides 84 and 85 connected by front and rear as best shown in Figs. 1, 3 and 4, the arms being 25 ends 86 and 87. The sides 84 and 85‘and the attached to the legs by fastening devices such front end 86 may extend at right angles with re as bolts 50. The tracks when in position extend spect to the bottom‘ but the rear end 81 is inclined‘ fore and aft of the ash compartment on the re to facilitate insertion and withdrawal of the re spective sides of the door opening as shown in ceptacle and to displace any ashes spilled into Fig. 2 and the mid-portions of the upper flanges‘ 30 the drawer through the opening 66'. The rim of form wings that have upwardly and outwardly the pan-like body is preferably reinforced by re curved portions 42’ to overlap the outer marginal verseiy bending the upper edges of the walls of edges of the grate basket so as to prevent ashes the pan as indicated at 88', Fig. 9. The pan may on the grate from falling upon the track mem also be provided with a bail 89 pivotally connected bers to interfere with operation of the rollers and to ears 9!) and 9t secured to the sides of the pan to prevent discharge of ashes beyond the track substantially midway the length thereof whereby members into the ash compartment. the pan is substantially balanced on the carrying 5! designates an ash drawer which includes side bail. members 52 and 53 preferably formed of relatively To facilitate removal and replacement of the ?at castings having webs 54 provided with open pan, the front wall thereof carries a'handle 92' ings to lighten the weight thereof. The inner which may be grasped by one hand while the other hand is supporting the bail. lower edges of the side members have lateral ?anges 5B and 51' substantially coextensive with It is assumed that a heater is constructed and the length thereof‘ for attaching a sheet metal assembled as described with the ash receptacle bottom member 58. Fixed to the forward ends 45 locked in the drawer and the drawer in retracted position within the ash compartment to receive of the side members and to the bottom member 58~is a door 59 having a flange 60 extending ashes that are discharged through the grate around the marginal edge thereof to seat upon when the drawer is in this position. The roll the marginal edge of the door frame 25 when ers 44‘ and 45'are at the rear ends of the tracks the drawer is closed. The door is secured to the 50 and support the rear end of the drawer, while ends of the side members of the drawer by fas the front end of the drawer is supported upon tening devices such as bolts 6i extending through the rollers 12 with the door portion of the ‘drawer closing the ash pit opening. When the grate is lugs 62 on the inner face of the door and cars oscillated by a suitable lever the‘ agitators 20 53 on the ends of the side members as best shown in Fig. 3. The rear edge of the bottom member Q: Ch shake the ashes collected thereon in the direc tion of thevgrate so that they fall through' the 58 is ?anged upwardly to provide a back 64 which openings Iii-thereof and into the ash receptacle. cooperates with the front and side members ‘of When it is desired to empty the receptacle the drawer to retain an ash receptacle 65 there the handles on the door latch lift a lug thereon in. The back (54 is preferably provided with an out of engagement-with the keeper. The drawer elongated opening 86 extending longitudinally 60 may be withdrawn through the door opening‘ ‘24 thereof directly above the rear edge of the bot until the top rollers drop into or engage the re tom 58 so that any ashes spilled into the drawer may be discharged through the opening 55. The back member of the drawer is preferably inset from-the rear ends of the side members to attach suspension members 6'! seating within recesses 88 in the outer faces of the side members and secured therein by fastening devices 6%, Figs‘. 3 and 4. The upper ends of the suspension mem bers terminatev adjacent the open sides of the tracks'and are provided with spindles T0 for rotat ably mounting the rollers 44 and 45, previously mentioned. The rear end of the drawer is thus Y cesses 47. The ash receptacle may then be read ily removed from the drawer; emptied of its- con tents, and replaced in the drawer. A slight pressure on the door end of the drawer will cause the drawer to move retractively under gravity into the compartment to again‘seat the door on the frame 25.v The door may then be locked to retain the assembly by rotating the handles of the latches to again bring the lugs thereof into engagement with the keepers on the sides of the door frame. ' From the foregoing it is obvious vthat I have supported by the track members, and is adapted 75 provided a readily operable structure for han 2,408,921 6 dling the ashes discharged into the ash compart ment of a heater. It is also obvious that the drawer for containing the ash receptacle is of simple construction, light in weight and sub stantially rigid to form a serviceable carrier in facilitating removal and replacement of the ash receptacle. gaging said track portions for supporting said track portions for suspnding the drawer from said rails, and wings projecting over the track portions and arranged to direct ashes discharged through the grate into the drawer. 3. In a stove having an ash compartment pro vided with a door opening, rails on opposite sides of the ash compartment and having track por tions, a drawer movable through the door open What I claim and desire to secure by Letters Patent is: ing into the ash compartment, suspension mem 1. In a stove having an ash compartment and 10 bers ?xed to and extending upwardly from the a grate above the ash compartment, said ash rear of the drawer, rollers on said suspension compartment having a door opening in a side members engaging with the track portions of said thereof, a frame for the door opening, a trans rails, and rollers in the ash compartment and verse member at a side of the ash compartment engaging a bottom portion of the drawer for 16 opposite the door opening, rails connecting the cooperating with the suspension members and transverse member with the door frame, a bracket the rollers that are carried thereby to facilitate supporting the transverse member from the movement of the drawer, said track portions bottom of the ash compartment, a drawer mov terminating short of the door opening to pass able into the ash compartment below said rails, ?anges on said rails having roller engaging por tions, suspension members projecting upwardly from the rear of the drawer, rollers on the sus pension members engaging said roller engaging portions of said ?anges, wings on said rails ex 20 the rollers carried by the suspension members for removing the drawer and having depressions in said termini of the track portions in position to be engaged by the rollers carried by the sus pension members. 4. In a stove having an ash compartment pro tending over the roller engaging portions and 25 vided with a bottom and having a door opening, under marginal edges of the grate to prevent rails on opposite sides of the ash compartment ashes from falling upon the roller engaging por and inclining downwardly and rearwardly from tions of the ?anges, and roller means supporting the door opening toward the rear of the ash com the bottom of the drawer adjacent the door partment, a drawer movable through the door 30 opening into the ash compartment, suspension frame. 2. In a stove having a grate discharging into members at the rear of the drawer, rollers on an ash compartment below the grate and the suspension members engaging the rails for . provided with a door opening registering with supporting the rear of the drawer spaced above said bottom, and rollers in the ash compartment 35 the ash compartment and having roller engaging adjacent the door opening and below the bottom the ash compartment, rails on opposite sides of track portions, a drawer movable through the door opening into the ash compartment, sus pension members on the rear of the drawer, roll ers carried by the suspension members and en portion of the drawer to space the front of the drawer above said bottom. EDWIN ESSON.