US142083A - Improvement in flour-bolts - Google Patents
Improvement in flour-bolts Download PDFInfo
- Publication number
- US142083A US142083A US142083DA US142083A US 142083 A US142083 A US 142083A US 142083D A US142083D A US 142083DA US 142083 A US142083 A US 142083A
- Authority
- US
- United States
- Prior art keywords
- bolts
- improvement
- flour
- bolt
- cloth
- 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
Links
- 239000004744 fabric Substances 0.000 description 4
- 241001086018 Homo heidelbergensis Species 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
Images
Classifications
-
- 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
- B07B1/18—Drum screens
Definitions
- 'a represents a round bolt having spiral ribs c arranged upon its inside at regular intervals, to which the cloth is tacked, and which allow ⁇ the flour, middllngs, or meal to pass unobstructedly through.
- a stationary adjustable brush Arranged upon the outside of the bolt, and in contact with it, is a stationary adjustable brush, which prevents the cloth from clogging, and keeps it alway free and clear.
- a suction-fan, e Placed above the bolt, and operated by a belt from the driving-shaft, is a suction-fan, e, of any vsuitable kind, which draws up the specks and other impurities in the material being bolted, and drives them we claim as new, and desire to secure by Letters Patent, is-
Landscapes
- Adjustment And Processing Of Grains (AREA)
Description
D. T. cHoA'T @L H. man.
l l-'lnur-Bul'ts.l
No. 142,083. PatentedAugust26,1873.
UNITED STATES PATENT QFFICE.
DAVID T. CHOAT AND HENRYr RICH, OF CEDAR FALLS, IOWA.
IMPROVEMENT IN FLQUR-BOLTS.
Specication forming part of Letters Patent No. 142,083, dated August 26, 1873; application filed April 1'4, 1873.
To all 'whom it may concern:
Be it known that we, DAVID T. CHOAT and HENRY RICH, of Cedar Falls, county of Black Hawk and State of Iowa, have invented certain new and useful Improvements in Mill- Bolts, of which the following is a specification:
The nature of our invention relates to an improvement in 4mill-bolts; and it consists in supporting the cloth directly upon a series of spiral ribs, as will be more fully described hereafter.
The accompanying drawings represent our invention.-
'a represents a round bolt having spiral ribs c arranged upon its inside at regular intervals, to which the cloth is tacked, and which allow` the flour, middllngs, or meal to pass unobstructedly through.` Arranged upon the outside of the bolt, and in contact with it, is a stationary adjustable brush, which prevents the cloth from clogging, and keeps it alway free and clear. Placed above the bolt, and operated by a belt from the driving-shaft, is a suction-fan, e, of any vsuitable kind, which draws up the specks and other impurities in the material being bolted, and drives them we claim as new, and desire to secure by Letters Patent, is-
In a round mill-bolt or separator, the bolting-cloth supported directly upon a series of spiral ribs, substantially as specified.
l In testimony that we claim the foregoing as our invention, we hereunto affix our signatures this 8th day of April, 1873.
DAVID T. CHOA'I. HENRY RICH.
Witnesses:
S. H. PAcKARD, T. B. CARPENTER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US142083A true US142083A (en) | 1873-08-26 |
Family
ID=2211496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US142083D Expired - Lifetime US142083A (en) | Improvement in flour-bolts |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US142083A (en) |
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0
- US US142083D patent/US142083A/en not_active Expired - Lifetime
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