47% 4.22/45.A2277. AzzAv2/2 /7%83/ Z/2%z24/365. N. PETERs, Photo-LTHOGRAPHER, WASHINGron.p. c. UNITED STATES PATENT OFFICE. GERARD SICKELS, OF BROOKLYN, NEW YORK. COA-SIFTER. Specification of Letters Patent No. 13,831, dated November 20, 1855. To all whom it may concern: And the door H, is hinged at the bottom of 50 Be it known that I, GERARD SICIKELS, of the discharge, provided with two guards or Brooklyn, in the county of Kings and State side flanges a, a, and made of such shape of New York, have invented certain new and that it serves as a shoe for conducting the useful Improvementsin Burned-Coal Sifters; sifted coal from the sifter into a receiver, and I do hereby declare that the following is when the door is open. The cylinder is 55 a full, clear, and exact description of the made in two sections and A placed loosely same, reference being had to the accompany on A, A, so that the two sections may be ing drawings, forming part of this specifica separated and the ashes emptied out of the O tion, in which lower section when necessary. Figure 1, is a vertical transverse section The grate B, is set inclined, as usual, So 60 of a burned-coal sifter with my improve as to facilitate the discharge of the coal ments. Fig. 2, is a horizontal section of the after being operated upon and the bars of Sale. the same are each made with two planes SO 5 Similar letters of reference in each of the as to present a momentary resistance at d two figures indicate corresponding parts. to the coal as it falls from the shoe G, and 65 The nature of my improvement consists in thus prevent it passing into the chamber A, the making of the lower portion of the cyl too readily or before the beaters have time inder or box with two chambers, one for to come into operation. 20 ashes and the other for sifted coal, the coal The beaters D, D, D9, D8, D1, D5, D9, D", chamber having its bottom inclined and be D8, D9, D10, D1', are arranged fast on the 70 ing provided with a discharge door; this ar shaft E, and are kept a suitable distance rangement enabling me to confine the coal, apart by the bars of the grate, they being and thus avoid dust, within the same cylin put on the shaft after one end has been fit 25 der in which the ashes are confined, without ted in its bearing and before the grate is set danger of the two mixing, while performing in. By examining the drawing it will be 75 the sifting operation and when it is desired seen that these beaters are arranged so that to remove the coal for use, automatically one to every four only shall come into opera discharging it, when the discharge door is tion at the same time and also that no two 30 opened, on account of the inclination of the shall travel in the same line, for instance, D, bottom upon which the coal falls as fast as D', D8, coming into operation first, D, D, 80 sifted. and D9, next and so on up to D', they, in A, A, A, represent the sifting cylinder their revolution stripping the coal of its or box; B, the inclined grate. ashes and lifting and forcing it over the 35 D, D, D2, D3, D4, D5, D6, D, D5, D9, D10, stop at d, and in connection with the in D, are the beaters: E, the shaft upon which clined grate causing it to fall down into the 85 they are arranged; F, the crank by which it chamber A°, while the ashes fall down is turned; G, the inclined shoe for conduct through the bars of the grate into the cham ing the coal on to the grate and H, the dis ber A. 40 charge door. What I claim as my invention and desire The sifting cylinder is made in two sec to secure by Letters Patent is 90 tions, the upper section A, serving for re The peculiar manner of dividing the cyl ceiving the grate, while the lower section inder at A, A*, for the purpose of furnish upon which A, rests loosely is made with ing a receptacle for the separated ashes and 45 two chambers A, A*, one of which A, serves coal, substantially as specified. as the ash receptacle and the other A, for GERARD SICKELS. the sifted coal. The bottom of A, is in Witnesses: clined so as to facilitate the discharge of J. G. MASON, the sifted coal, when the door H, is open. WM. TUSCH. .