US949615A - Ash-sifter. - Google Patents

Ash-sifter. Download PDF

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Publication number
US949615A
US949615A US41494508A US1908414945A US949615A US 949615 A US949615 A US 949615A US 41494508 A US41494508 A US 41494508A US 1908414945 A US1908414945 A US 1908414945A US 949615 A US949615 A US 949615A
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Prior art keywords
ash
casing
screen
sifter
carried
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US41494508A
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Thomas P Bolger
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B15/00—Implements for use in connection with stoves or ranges
    • F24B15/007—Ash-sifters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING 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
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens

Definitions

  • This invention relates to an ash Sifter, and the object of the invention is a device of this kind having a rotary sifter open at each end and inclosed in a casing, one end of said casing being closed by a gravity-drop door which is automatically opened by pressure of coal against it, thereby making the sifter as dust tight as a device of this kind can be made and at the same time leave a conveniently arranged discharge opening discharging into a common coal scuttle.
  • FIG. 1 is a side elevation of my device, parts of a coal scuttle and ash receiver being broken away.
  • Fig. 4 is a longitudinal vertical section through the device as shown in Fig. 1.
  • Fig. 3 is a plan view of the device mounted in position as shown in Fig. 1.
  • Fig. 4 is a section on the line H of Fig. 2.
  • Fig. 5 is a sectional view on the line 5-5 of Fig. 2 looking toward the discharge end of the device.
  • FIG. 1 represents a suitable casing which is provided with a flanged cylindrical base 2 adapted to fit over a barrel or metal ash can 3. At one end of the casing 1 it is carried upwardly forming a hopper l provided with a hinged top 5. A flanged sliding cover 6 closes the top of the body portion of the casing 1 and is held in place by a turn button 7 carried by an end 8. Extending longitudinally entirely through the casing 1 is a rotatable shaft 9 provided at the hopper end of the casing with a handle 10. At the opposite end of the casing, which end extends beyond the circular base 2, is provided a downwardly opening discharge outlet 11, the bottom of the casing adjacent said discharge outletbeing downwardly inclined as shown at 12. Hinged within the casing is a gravity-drop door 13 the lower free edge of which rests upon the Specification of Letters Patent.
  • a fixed screen 15 Within the hopper 1 is arranged a fixed screen 15, said screen having a downwardly inclined bottom spaced from an inclined bottom portion 1 which bottom portion is directly below the hopper 4.
  • the inner end portion of the screen 15 is semi-cylindrical and is carried by a fixed metal ring 16.
  • the shaft 9 is provided with arms 17 arranged in sets and one set of arms carries a collar 18 arranged concentrically with respect to the ring 16 and turning loosely upon the ring.
  • the other set of arms 17 are arranged adjacent the gravity-drop door 13 and support a collar 19 and upon the collars 18 and 19 is arranged a rotatable screen 20 the rear end of said screen being of smaller diameter than the front end.
  • a hook 21 is carried by the end 8 upon which may be hung the bail of a coal scuttle or other receptacle.
  • the operation of the device is as follows : The ashes to be sifted are poured into the hopper/1 and the top 5 closes. The handle 10 is then turned and the screen 20 turns with the shaft 9. The fine ashes which fall through the fixed screen 15 upon the inclined bottom 1 will slide at once into the barrel or can 3. The remainder of the coal and ashes will slide into the rotating screen 20 and the ashes will be sifted therein from the coal and will fall through into the ash receiver and the coal will be carried on to the end of the screen 20 and will fall upon the inclined bottom portion 12. The weight of these coals will open the door 13 and permit them to fall through the outlet 11 into the scuttle 22, the door again closing by gravity when the weight against it is removed.
  • the top 6 can be slid elf and the interfering articles may be removed.
  • the screen 20 can be readily lifted out for cleaning should it become clogged up, by drawing out the shaft 9, which will slide through its bearings.
  • An ash sifter comprising a casing having a hopper at one end and a discharge opening at the other, a fixed screen in alinement with the hopper, a ring carried by the inner end of the fixed screen, a rotatable shaft extending longitudinally through the casing and through said ring, arms carried by the shaft, collars carried by said arms, one 10 of said. collars turning loosely upon the ring and a screen carried by said collars.

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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

T. P. BOLGER.
ASH SIFTER.
APPLICATION FILED FEB. 8, 1908. 949,6 1 5. v Patented Feb. 15, 1910.
2 SHEETS-SHEET 1.
T. P. BOLGER.
ASH SIPTER.
APPLICATION FILED FEB. s, 1908.
Patented Feb.15,1910,
2 SHEETS-SHEET 2.
51 1/0214 tom UNTTED SATS @FFTQE.
THOMAS P. BOLGER, OF GLOUCESTER, MASSACHUSETTS.
ASH-SIFTER.
Application filed February 8,
To all whom it may concern:
Be it known that I, THOMAS P. BOLGER, a citizen of the United States, residing at Gloucester, in the county of Essex and State of Massachusetts, have invented a new and useful Improvement in Ash-Sifters, of which the following is a specification.
This invention relates to an ash Sifter, and the object of the invention is a device of this kind having a rotary sifter open at each end and inclosed in a casing, one end of said casing being closed by a gravity-drop door which is automatically opened by pressure of coal against it, thereby making the sifter as dust tight as a device of this kind can be made and at the same time leave a conveniently arranged discharge opening discharging into a common coal scuttle.
The invention consists of the novel features of construction hereinafter described, pointed out in the claim and shown in the accompanying drawings in which Figure 1 is a side elevation of my device, parts of a coal scuttle and ash receiver being broken away. Fig. 4 is a longitudinal vertical section through the device as shown in Fig. 1. Fig. 3 is a plan view of the device mounted in position as shown in Fig. 1. Fig. 4 is a section on the line H of Fig. 2. Fig. 5 is a sectional view on the line 5-5 of Fig. 2 looking toward the discharge end of the device.
In these drawings 1 represents a suitable casing which is provided with a flanged cylindrical base 2 adapted to fit over a barrel or metal ash can 3. At one end of the casing 1 it is carried upwardly forming a hopper l provided with a hinged top 5. A flanged sliding cover 6 closes the top of the body portion of the casing 1 and is held in place by a turn button 7 carried by an end 8. Extending longitudinally entirely through the casing 1 is a rotatable shaft 9 provided at the hopper end of the casing with a handle 10. At the opposite end of the casing, which end extends beyond the circular base 2, is provided a downwardly opening discharge outlet 11, the bottom of the casing adjacent said discharge outletbeing downwardly inclined as shown at 12. Hinged within the casing is a gravity-drop door 13 the lower free edge of which rests upon the Specification of Letters Patent.
1908. Serial No. 414,945.
inclined portion 12 of the casing bottom and said door is vertically slotted as shown at 14t to permit passage of the shaft 9 and also to allow for the swinging movement of said door.
Within the hopper 1 is arranged a fixed screen 15, said screen having a downwardly inclined bottom spaced from an inclined bottom portion 1 which bottom portion is directly below the hopper 4. The inner end portion of the screen 15 is semi-cylindrical and is carried by a fixed metal ring 16.
The shaft 9 is provided with arms 17 arranged in sets and one set of arms carries a collar 18 arranged concentrically with respect to the ring 16 and turning loosely upon the ring. The other set of arms 17 are arranged adjacent the gravity-drop door 13 and support a collar 19 and upon the collars 18 and 19 is arranged a rotatable screen 20 the rear end of said screen being of smaller diameter than the front end.
A hook 21 is carried by the end 8 upon which may be hung the bail of a coal scuttle or other receptacle.
The operation of the device is as follows :The ashes to be sifted are poured into the hopper/1 and the top 5 closes. The handle 10 is then turned and the screen 20 turns with the shaft 9. The fine ashes which fall through the fixed screen 15 upon the inclined bottom 1 will slide at once into the barrel or can 3. The remainder of the coal and ashes will slide into the rotating screen 20 and the ashes will be sifted therein from the coal and will fall through into the ash receiver and the coal will be carried on to the end of the screen 20 and will fall upon the inclined bottom portion 12. The weight of these coals will open the door 13 and permit them to fall through the outlet 11 into the scuttle 22, the door again closing by gravity when the weight against it is removed. Should strings, rags or other articles be in the coal and ashes and interfere with the sifting operation, the top 6 can be slid elf and the interfering articles may be removed. The screen 20 can be readily lifted out for cleaning should it become clogged up, by drawing out the shaft 9, which will slide through its bearings.
Having thus fully described my invention,
What I claim as new and desire to secure by Letters Patent, is:
An ash sifter comprising a casing having a hopper at one end and a discharge opening at the other, a fixed screen in alinement with the hopper, a ring carried by the inner end of the fixed screen, a rotatable shaft extending longitudinally through the casing and through said ring, arms carried by the shaft, collars carried by said arms, one 10 of said. collars turning loosely upon the ring and a screen carried by said collars.
THOMAS P. BOLGER. Witnesses JOHN NAGLE, M. FRANCIS BUCKLEY.
US41494508A 1908-02-08 1908-02-08 Ash-sifter. Expired - Lifetime US949615A (en)

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US41494508A US949615A (en) 1908-02-08 1908-02-08 Ash-sifter.

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