US301684A - Ash sifter - Google Patents

Description

2Sheets-Sheet l. B. H. COOK.

(No Model.)

ASH SIPTBR.

lure/dbz' No Model.) 2 sheets-sheen 2.

B. H. 000K.

, immun..

No. 301,684. Patented July 8, 1884.

UNITED STATES ArtNr Prion.

BURTON H. COOK, OF BROOKLYN, KEW' YORK.

ASH-SIFTER.

SPECIFICATION forming part of Letters Patent No. 301,684, dated July 8, :381"- Application tiled April 4, 1884. (No model.)

To @ZZ whom it may concern,.-

' Be it known that I, BURTON H. COOK, of Brooklyn, Kings county, Sew York, have invented certain new and useful Improvements in Ash-Sifters, of which the following is a specification.

f be dumped and by which they are discharged n from the side of the box.

One feature of my invention. lies in the special construction and arrangement of the chuteslide relativelytothe box and cylix1der,\vhere by it serves also as the lid to the box; and another feature consists-in a discharge-door on the side of the box operating in relation with the slide.

The remaining features of my invention lie in the special construction of the hinges and catch of the removable lid-section of the cylinder, and also in certain minor details, as hereinafter fullyset forth and claimed, whereby astrong,'simple, cheap, and effective ash-si fter is provided. A Y

In the annexed drawings, Figure l is a sectional elevation of my improved sitter, represented in the act of or prepared for sifting. Fig. 2 is a similar view, represented in the act of dumping the sifted cinders. Fig. 3 is a fragmentary perspective view of the lid-section of the cylinder removed, showing the form of hinge and catch thereof. Fig. 4 is a plan. view of the complete sifter. Fig. 5 is a perspective view of the casting forming the socket-leaf of the hinge, and Fig. 6 is asection through both the socket and hooked leaves of the hinge shown engaged. Fig. 7 is a perspective view of the socket-plate of the catch; and FigS is a cross-section of the socket-plate, showing the;A barb ofthe catch sprung therein.

Referring to Figs. l, 2, and 4, c1 indicates the base of the sifter, which is of the usual round and flanged form, adapted to fit on and over the head of the aslrbarrel, as indicated in Figs. 1 and 2, and b indicates the casing of the sifter', which is preferably a square upright box, rising centrally from the base a. In the upper part of the box is inolosed the `cylindrical sieve A, which consists of a cylinder, c, of wire-cloth, xedto tworound wooden heads, d d, which heads are fitted with little metal trunnions e e, which are journaled in holes bored in each side of the box, thus forming an axis on which the cylinder is free to revolve withinthe box in the usual manner of rotary sifters, as will be readily understood from Figs. l, v2, and 4E. One of the trunnions is a little longer than the other, and is squared to receive a crank, f, whereby the cylinder may be rapidly revolved to sift the cinders in the usual manner. One section, q, of the'wirecloth c of the cylinder is removable to perniit theA insertion and removal of the material to be sifted, andl this lid-scction q is hooked or hinged atone edge to the cylinder, and is provided with a catch to engage the opposite edge, whereby the lid may be easily removed or replaced when required, yet is firmly held in place during the action of the sifter. The hinges and catch are of peculiar forni, wellshown in Figs. l, 3, Ll, 5, and 6, to Which reference may be now had. The leaves h or parts of the hinge connected with the lid q are formed, as shown, with npturned hooked ends h' and downwardly-turned stops z' i, the stops being adapted to abut against the edge of the lid-opening in the Wire-cloth cylinder, While the hooks are adapted to hook into one of the meshes of the cloth, or preferably into a special socket-plate or leaf, k, (see Figs. 5, 6, and 4,) made of cast-iron, and riveted to the wire-cloth cylinder, as shown in Fig. 4. The socket-leaf, as shown best in Figs. 5 and 6, is formed with two openings, to ad mit the hook of the opposite leaf, the openings being separated by a cross-piece or bridge with which the hook engages, as shown in Fig. 6. The cross-piece is strengthened by au upwardly-projecting dan ge, l1', and the edge of the socket is strengthened by a downWardly-projecting flange, k2, against which the stop i of the hooked leaf abut-s, as shown in Fig. 6. The socket-leaf la, and also the hooked leaf h, is cast with two rivet-holes, as shown in Figs. 5 and 6, to receive the rivets, whereby they are fastened to" IOO the wire-cloth cylinder, as shown in Fig. 4,' thus rendering the attachment secure. At the middle of the lid-section Q is riveted a loop of hoop-metal, forming a handle, n, whereby the lid may be easily moved into or out of posiv ment with a mesh or socket in the opposite edge of the wire-cloth cylinder, as well shown in Fig. l, also in Figs. 3 and 4. have the barb of the catch-spring Z engage with a cast-ironv socket-plate, m, (seeFigs. 4,

7, and8,) riveted onto the wire-cloth cylinder,

as shown in Fig. 4, this socket-plate being cast withtwo holes to receive the rivets, and with an opening to receive the barb of the catch, and also a downwardly-projecting lip or iiange, m', for strength, as well shown in Figs. 7 and 8. It will now be seen that the hinging and fastening devices of the lid are very strong, simple, and cheap, and easily operated. Thus by pressing back the barbed loop of the catch Zthe lid may be raised and swung upon the hooked hinges, which can be readily unhooked from their socket-plates and the lid then placed aside, while the ashes and cinders are poured through the opening into the cylinder, after which the lid can' be again easily hooked in its sockets and closed down, and-the catch sprung into its socket, which will hold the lid securely in place during the sifting operation, which is effected, as usual, by rapidly revolving the cyliuder by rotating the crank, which will cause the ashes to fly out through the meshes and fall into the barrel below, while the cinders of useful size remain in the cylinder, as will be readily understood. It will be readily noted that the form and position of the catch is such that it has no tendency to loosen during the revolution of the cylinder by centrifugal force or otherwise; but its tendency is rather to' tighten itself in its socket, thus rendering the position of ther lid secure. Then the cylinder is being revolved to sift the cinders, as above described, the box b is of course covered by the lid g, as shown in Fig. l, to pre-v vent the escape of ashes, and when the ashes have been sifted out the lid is removed, and the cylinder is turned around to dump the cinders onto an inclined chute or slide in- I Aserted across the box below the cylinder, by

which theV cinders may be discharged out through a side door and into the scuttle placed beneath the same, as seen in Fig. 2. Now, according to my improvement it will be seen that the lid of the box, as seen in Fig. 1, is also made to serve as the slide-chute, as seen in Fig. 2. The lid g, as shown, is made considerably longer than necessary At0 cover the top of the box, but of just the right Width to fit between the end walls of the box,which, as seen in Figs. l and 2, project up above the side walls a distance equal to the thickness of I prefer to the cover, so that these walls embrace each side of the cover,while the cover rests on the tops of the side walls, as shown. One end of the cover is formed with a short rim-piece, g', projecting at right angles thereto, which abuts against one side of the box when the cover is placed over the same, as shown in Fig. l.V On one side of the box below the cylinder is formed a slit, o, extending the full width of the box, and within the box, on cach side thereof, inclined ways o are formed, coincident with said slot, and inclining downwardly therefrom.a At the foot of the inclined ways, at the opposite side of the box, au opening is formed to provide a dischargeorifice for the sifted cinders, which opening runs the full width of the box, similar to the slot o, and is provided with an outwardlyopening hinged door, r, having a downwardlyinclined inwardly-projecting iinger, s, thereon, as shown in Figs. l and 2, which door normally gravitates shut, as shown in Fig. 1,' so as to prevent the escape of dust or ashes during the sifting, operation. The slot o is also provided with an inwardly-opening valve or door, t, which normally gravitates againstl the side of the box, and thus closes the slot to prevent the escape of ashes. It will now be readily understood that when the sifting operation is nished the lid or cover g of the box is removed and inverted, and then slid into the slot o on the side of the box and down the inclined ways 0, until the rim g IOO the edge of the base-rim a into the scuttle or other vessel placed beneath the same to receive them, as indicated in Fig. 2; hence by this means one part serves both as the lid and the chute, thus rendering Vthe construction cheap and simple and quite convenient in operation, as the mere removal and insertion of the lid prepares the apparatus for dumping, and automatically opens the valve t and door r, as shown in Fig. 2, which movement of the lid is very simple and is quickly effected. After the cinders are dumped, the slide is removed and placed on the top of the box, as before, and the doors tr will of course close of their own gravity, thus preparing the box for the next operation of sifting. It will therefore be now readily appreciated that the several features described combine to produce a very efficient sift-er of the rotary class,which at the same time is composed of few and simple parts, and these of inexpensive durable construction and of easy operation.

Instead of forming the box with a flanged IIO I be made with a large receptacle beneath to receive the ashes, if desired; but it is not thought desirc ble.

What I cla-ini is l. In a sitter, the combination of the sieve and its inclosing-box open at the top, and having apertures on the sides below the sieve, with the movable slide g, adapted to fit above the sieve over the top of the box, and form a cover therefor, and also adapted to t below the sieve across the box and form a chute to discharge the cinders, substantially as herein set forth.

2. The combination, with the sieve and its inclosing-box having a discharge-door on the side below the sieve and a slot at the opposite side, of the slide g, adapted to enter the slot, extend across the box, and project through and open the said door, substantially as and for the purpose set forth.

3. The combination, with the sieve and its inelosing-box having theslot o and the door r, with its inward projection s. of the slide g, adaptedl to enter the slotof thebox, project across the same, andconie in contact with the projection s, and thus open the said door and keep it open, and thereby forni a chute by which the einders-are discharged.

4. The combination, with the sieve, of the' inclosingbox formed with the slot 0 on one side, the door r on the opposite side, and inclined Ways o extending across the' box, With `5. The combination, with the :sieve and sieve-box having two opposite sides higher Athan the sides at right angles thereto, of the `lid g, formed with the ledge or rim g', adapted to tit over the box between the higher sides, in combination with a way across the box below the sieve, and a discharge-door at the foot of the same adapted to receive said lid, so as to form a dischargechute when the cinders are dumped, substantially as herein shown and described.

6. The combination, with the sieve-box, of the rotary sieve A, with its movable section g, having hooked hinge-leaves on one sideand asuitable catch at the opposite side, with the corresponding sockets, 7c and m, substantially as herein set forth.'

7. The combination, with the sieve and sieve -boX having the slot o and valve t, of a. movable chute-slide adapted to enter said slot, and a discharge-door on' the side opposite said slot, substantially as and for the purpose set forth.

BURTON H. oooK.

lfVi tn esses:

JAS. S. HALL, v CHAs. M. HrGGINs.

Images