US1030241A - Riddle. - Google Patents

Riddle. Download PDF

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Publication number
US1030241A
US1030241A US66243211A US1911662432A US1030241A US 1030241 A US1030241 A US 1030241A US 66243211 A US66243211 A US 66243211A US 1911662432 A US1911662432 A US 1911662432A US 1030241 A US1030241 A US 1030241A
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United States
Prior art keywords
riddle
mat
band
rim
bands
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US66243211A
Inventor
John A Islin
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Individual
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Individual
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Priority to US66243211A priority Critical patent/US1030241A/en
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    • 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
    • B07B1/48—Stretching devices for screens

Definitions

  • the riddle which is the subject of the present invention is designed more particularly for use in foundries, and it is the obj ect of the invention to provide an improved structure whereby the wire screen may be readily removed from the body of the riddle, in order that it may be renewed when worn, or changed for one of different mesh.
  • Figure 1 is a plan view of the riddle.
  • Fig. 2 is a cross-section on the line 22 of Fig. 1.
  • Fig. 3 is a plan view of a modified form of riddle.
  • Fig. 4 is a cross-section on the line 44 of Fig. 3.
  • 10 denotes the body of the riddle, the same being cylindrical in form, as usual.
  • the body may be a plain annular sheet metal band having a rolled rim at the top, in which a stiffening wire 11 is embedded.
  • a stiffening wire 11 is embedded.
  • At the bot tom of the band is an upward and inward bend 12, which forms a shoulder on which the wire mat or screen 18 seats, the same comprising a ring over which the screening material is crimped or otherwise fastened.
  • the diameter of the mat is such that it fits snugly within the body 10.
  • spring latches are provided. These latches are strips 14 of sprlng metal which are riveted or otherwise fastened at one of their ends to the band 10, on the outside, and near the top thereof, and have at their other ends lateral bends 15 which extend inwardly through apertures 16 in the band so as to one of dilferent mesh.
  • the band may be a wooden one.
  • the body of the riddle is a wooden rim 17 which is reinforced by sheet metal bands 18 which are wrapped around the same longitudinally, so as to extend over the top and bottom edges and the inside and outside of the rim.
  • the bands On the inside of the rim, near the bottom thereof, the bands have out standing bends 19 forming shoulders on which the mat 13 seats.
  • the bands are secured to the rim by rivets, certain of which latter, a short distance above the bends 19 have heads 20 which serve to hold the mat in place on the shoulders formed by the bends.
  • the mat employed with the last described structure can also be readily removed, as there is enough spring in the wooden rim 17 to allow the mat to pass the rivet heads 20.
  • a riddle comprising an annular band, reinforcing bands passing around the same endwise, and having internal shoulders, a screen removably supported on the shoulders, and screen retaining-means on the reinforcing bands.

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Description

J. A. ISLIN.
RIDDLE.
APPLICATION FILED NOV. 25, 1911.
1,030,241 Patented June 18, 1912. i
WWW/sow JOHN A. ISLIN, OF NEWPORT NEWS, VIRGINIA.
RIDDLE.
Specification of Letters Patent.
Application filed November 25, 1911.
Patented June 18, 1912.
Serial No. 662,432.
To all whom it may concern:
Be it known that I, JOHN A. IsLIN, a citizen of the United States, residing at Newport News, in the county of Warwick and State of Virginia, have invented certain new and useful Improvements in Riddles, of which the following is a specification.
The riddlewhich is the subject of the present invention is designed more particularly for use in foundries, and it is the obj ect of the invention to provide an improved structure whereby the wire screen may be readily removed from the body of the riddle, in order that it may be renewed when worn, or changed for one of different mesh.
In order that the invention may be better understood, reference is had to the accompany drawing in which Figure 1 is a plan view of the riddle. Fig. 2 is a cross-section on the line 22 of Fig. 1. Fig. 3 is a plan view of a modified form of riddle. Fig. 4 is a cross-section on the line 44 of Fig. 3.
Referring specifically to the drawing, 10 denotes the body of the riddle, the same being cylindrical in form, as usual. The body may be a plain annular sheet metal band having a rolled rim at the top, in which a stiffening wire 11 is embedded. At the bot tom of the band is an upward and inward bend 12, which forms a shoulder on which the wire mat or screen 18 seats, the same comprising a ring over which the screening material is crimped or otherwise fastened. The diameter of the mat is such that it fits snugly within the body 10.
In order to hold the mat 13 in place, spring latches are provided. These latches are strips 14 of sprlng metal which are riveted or otherwise fastened at one of their ends to the band 10, on the outside, and near the top thereof, and have at their other ends lateral bends 15 which extend inwardly through apertures 16 in the band so as to one of dilferent mesh. Instead of making the body of the riddle out of a sheet metal band, the band may be a wooden one.
In the modified structure shown in Figs. 3 and 4, the body of the riddle is a wooden rim 17 which is reinforced by sheet metal bands 18 which are wrapped around the same longitudinally, so as to extend over the top and bottom edges and the inside and outside of the rim. On the inside of the rim, near the bottom thereof, the bands have out standing bends 19 forming shoulders on which the mat 13 seats. The bands are secured to the rim by rivets, certain of which latter, a short distance above the bends 19 have heads 20 which serve to hold the mat in place on the shoulders formed by the bends.
The mat employed with the last described structure can also be readily removed, as there is enough spring in the wooden rim 17 to allow the mat to pass the rivet heads 20.
I claim:
A riddle comprising an annular band, reinforcing bands passing around the same endwise, and having internal shoulders, a screen removably supported on the shoulders, and screen retaining-means on the reinforcing bands.
In testimony whereof I ailix my signature in presence of two witnesses.
JOHN A. ISLIN.
Witnesses:
F. A. BARTLETTE, L. C. STEWART.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
' Washington, D. G."
US66243211A 1911-11-25 1911-11-25 Riddle. Expired - Lifetime US1030241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US66243211A US1030241A (en) 1911-11-25 1911-11-25 Riddle.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66243211A US1030241A (en) 1911-11-25 1911-11-25 Riddle.

Publications (1)

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US1030241A true US1030241A (en) 1912-06-18

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Family Applications (1)

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US66243211A Expired - Lifetime US1030241A (en) 1911-11-25 1911-11-25 Riddle.

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