US2863A - john j - Google Patents

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US2863A
US2863A US2863DA US2863A US 2863 A US2863 A US 2863A US 2863D A US2863D A US 2863DA US 2863 A US2863 A US 2863A
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cylinder
case
coal
ashes
john
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4681Meshes of intersecting, non-woven, elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B15/00Implements for use in connection with stoves or ranges
    • F24B15/007Ash-sifters

Definitions

  • lVe construct a case of wood, of any convenient size; we generally make the case 20 inches long, 13 inches wide, and 3 feet high. Ze then construct a cylindric grating, in the form of a frustum of a cone, of cast iron;
  • the shaft h has its bearing at one end in the strap of wrought iron as shown at j; the other end of the shaft has its bearing resting in the side of the case as shown at 7c, Figs. 3 and 4; the end of the shaft at 7c, is bent so as to form the crank Z.
  • a circular hole through the case as shown at m this opening corresponds with the small 'end of the conical cylinder; we then construct a hopper as shown at n, on Figs. l, 2, 3, and 4.
  • the bottom of this hopper is semicircular formed of sheet iron, is placed in an inclined portion and corresponds to the circular opening in the case at mi.' the hop er and likewise the case are furnished wit cover topshut in the dust during the operation of the machine; o, is a drawer fitted into the case to receive the ashes; p is also a drawer fitted to the case to receive the coal that may be sifted from the ashes; s, s, are partitions made in the case to separate the sifted ashes from the coal.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Means For Separation Of Solids (AREA)

Description

Vwe make the diameter of this cylinder about NTTED STATES PATENT OFFICE.
JOHN J. DOANE AND WM. H. DENNY, OF NEW YORK, N. Y.
COAL-SIFTER.
Speeication of Letters Patent No.
T o cZZ whom t may concern Be it knownthat we, JOHN J. DoANr. and WM. H. DENNY, of the city, county, and State of New York, have invented a new and useful machine for sifting coal-ashes, which we entitle Doane and Dennys patent coal-sifter; and we do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specication, in which- Figure l, is a perspective view; Fig. 2 is also a perspective view of the same machine, with a different arrangement of the drawers; Fig. 3 is a longitudinal section of Fig. l; Fig. 4 is a longitudinal section of Fig. 2; Fig. 5 is an illustration on a larger scale of the conical sifter.
To enable others skilled in the art to make and use our invention, we will proceed to describe its construction, and operation.
lVe construct a case of wood, of any convenient size; we generally make the case 20 inches long, 13 inches wide, and 3 feet high. Ze then construct a cylindric grating, in the form of a frustum of a cone, of cast iron;
l0 inches atthe greatest, and 64 inches atthe smallest end; the length of the cylinder about 14 inches; we vary the sizeof the cylinder as required, keeping the above proportions; this cylinder is placed in the inside of the case, and near the top of it; as shown at a, a, in Figs. 3 and 4. The construction of this conical cylinder is as follows Z9 Fig. 5 is a. cast iron rim, with a bar c, crossing it on the diameter; this rim is 10 inches diameter; another rim of cast iron is also provided as shown at (Z, 625 inches diameter, with a bar e, crossing at its diameter, similar to the rim Z),- the inner edges of the rims Z), and (Z, are rabbeted to receive the grating which is cast in section, and fitted to the rabbets; the grating is supported by small cams cast with the rims as s hown at z', c', z'. A section of the rim o, is shown at g, No. l, when f, also represents the grating fitted into it, and z', one of the cams; No. 2 is a section of the rim (Z, the letters having the same reference as in No. l; the bars c, and e, have a square hole in the center of each, through which we pass a shaft of iron about of an inch square as shown at Z1.; a key 1s passed through this shaft immediately outside of the bars c, and e, though keys keep the rims Z), and cZ, close against the ends of the grating, which completes the construc- 2,863, dated November 28, 1842.
tion of the cylinder sifter; the shaft h, has its bearing at one end in the strap of wrought iron as shown at j; the other end of the shaft has its bearing resting in the side of the case as shown at 7c, Figs. 3 and 4; the end of the shaft at 7c, is bent so as to form the crank Z. We then cut a circular hole through the case as shown at m, this opening corresponds with the small 'end of the conical cylinder; we then construct a hopper as shown at n, on Figs. l, 2, 3, and 4. The bottom of this hopper is semicircular formed of sheet iron, is placed in an inclined portion and corresponds to the circular opening in the case at mi.' the hop er and likewise the case are furnished wit cover topshut in the dust during the operation of the machine; o, is a drawer fitted into the case to receive the ashes; p is also a drawer fitted to the case to receive the coal that may be sifted from the ashes; s, s, are partitions made in the case to separate the sifted ashes from the coal.
Y The operation of this machine is as follows: The coal ashes as it comes from the grate is thrown into the hopper n, the shaft ZL, and the cylinder grating is then made to revolve by the crank Z; the ashes pass through the opening atm, into the cylinder a; the finer parts fall through the grating into the drawer 0, and the coal being separated from the ashes passes out at the large end of the cylinder and falls into the drawer 70.
7e also use our machine for screening sand so as to separate the pebbles and lumps from the sand; also for screening coal before it is burned to separate the coarse lumps or masses from the ner. In applying this invention to these last mentioned purposes we construct the conical cylinder of large dimensions and pla-ce a hopper at the small end of the cylinder the axis of which is supported on a frame instead of a case to confine the dust as when used for sifting coal ashes.
What we claim as our invention and desire to secure by Letters Patentis- The peculiar arrangement of the cylinder a, in the form of a frustum of a cone in combination with the hopper n, and the arrangement of the drawers 0, p the whole combined substantially as herein set forth.
JOHN J. DOANE. WM. H. DENNY. Witnesses:
JOHN B. DENNY, I. H. B. WEAVER.
US2863D john j Expired - Lifetime US2863A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537300A (en) * 1982-05-03 1985-08-27 Farmatic S.R.L. Apparatus for selecting and supplying capsules or like round articles of deformable material to the feed hopper of machines for handling these articles
US6357597B1 (en) * 2000-01-31 2002-03-19 Donald L. Theeler, Sr. Adjustable grizzly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537300A (en) * 1982-05-03 1985-08-27 Farmatic S.R.L. Apparatus for selecting and supplying capsules or like round articles of deformable material to the feed hopper of machines for handling these articles
US6357597B1 (en) * 2000-01-31 2002-03-19 Donald L. Theeler, Sr. Adjustable grizzly

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