US255772A - Grinding-mill - Google Patents
Grinding-mill Download PDFInfo
- Publication number
- US255772A US255772A US255772DA US255772A US 255772 A US255772 A US 255772A US 255772D A US255772D A US 255772DA US 255772 A US255772 A US 255772A
- Authority
- US
- United States
- Prior art keywords
- grinding
- mill
- clark
- casting
- mills
- 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
- 239000004575 stone Substances 0.000 description 14
- 238000005266 casting Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
Definitions
- Our invention relates to that class of grinding-mills known as vertical mills, and it consists in certain novel improvementsin construction, whereby such mills are rendered more efficient in their operation, and which we will now proceed to describe.
- a A' represent two burrstones, the same being of annular form and dressed on their proximate grinding-surfaces in the manner shown, or in any other suitable manner.
- a hublike casting, B havingau annularlateral groove or recess, b, extending nearly its entire length, and adapted to receive the body of a second hub-shaped casting, C, as shown, and to the outer portion or face ot' such casting C, is secured by bolts d d al or otherwise a metal grinding-ring, D, dressed a's shown, or in any other suitable manner.
- a series ot' set-screws, E (see Figs. 1 and 3,) passing through the outer face of each of the castings B, work into and against the inner end of the casting C, and
- the casting B of the stone A (which latter we may here remark is the stationary stone of the mill) is mounted upon and secured to a hollow shaft, H, carrying a feed-hopper, L, while the casting B ofthe revolving stone or ruimer A, is mounted upon and secured to a solid rotary shaft, Gr, in a suitable bearing, J, and deriving motion from a belt-pulley, I, or -in any other suitable manner.
- a spiral conveyer, F projects from the end of shaft G into the hollow shaft H, and operates te feed the material to be ground from the hopper L, through the said hollow shaft in between the grinding-surfaces.
- the set-screws E enable the metal grinders to bereadly adjusted within, flush with, or out beyond the surfaces of the stones, as occasion requires.
Description
\ YTNESSES Q///wm/ Y (No Model.)
J. '8v' B. CLARK.
` GRINDING MILL.- A
Patented Apr. 4, 1882A ggz.
'III [IIIA whim UNITED STATES PATENT OFFICE.
JOHN J. CLARK AND BYRON CLARK, OF ELGIN, ILLINOIS.
GRlNDlNG-MILL.
' SPECIFICATION forming part of Letters Patent No. 255,772, dated April 4, 1882. Application filed July 27, 1881. (Xo model) To all whom it may concern.
Be it known that we, JOHN J. CLARK and BYRON CLARK, both of Elgin, in the county ot' Kane and State of Illinois, have invented certain new and useful Improvements in Grinding-Mills; and we do hereby declare the following to be a full, clear, and exact description of the sume, reference being had to the accompanying drawings, forming part ot' this specification, in which- Figure 1 represents alongitudinal section of the mill; Fig. 2, a face view ofone of the metal grinding-rings; Fig. 3, a perspective view ot' the mill.
Similar letters ol' reference iu the several figures denote the same parts.
Our invention relates to that class of grinding-mills known as vertical mills, and it consists in certain novel improvementsin construction, whereby such mills are rendered more efficient in their operation, and which we will now proceed to describe.
In the drawings, A A', represent two burrstones, the same being of annular form and dressed on their proximate grinding-surfaces in the manner shown, or in any other suitable manner. Within each stone is Iittcd a hublike casting, B, havingau annularlateral groove or recess, b, extending nearly its entire length, and adapted to receive the body of a second hub-shaped casting, C, as shown, and to the outer portion or face ot' such casting C, is secured by bolts d d al or otherwise a metal grinding-ring, D, dressed a's shown, or in any other suitable manner. A series ot' set-screws, E, (see Figs. 1 and 3,) passing through the outer face of each of the castings B, work into and against the inner end of the casting C, and
serve to adjust the faces of the metal grinding-rin gs nearer to or farther from each other,
according to the kind, quality, and condition ofthe material to be ground, "4 The casting B of the stone A, (which latter we may here remark is the stationary stone of the mill) is mounted upon and secured to a hollow shaft, H, carrying a feed-hopper, L, while the casting B ofthe revolving stone or ruimer A, is mounted upon and secured to a solid rotary shaft, Gr, in a suitable bearing, J, and deriving motion from a belt-pulley, I, or -in any other suitable manner.
A spiral conveyer, F, projects from the end of shaft G into the hollow shaft H, and operates te feed the material to be ground from the hopper L, through the said hollow shaft in between the grinding-surfaces.
Ve have found from practical test that by the employment ot' the metal grinding-ringsin connection with thegrinding-stones full double the quantity of material can be ground in the` same time by the same power as can be ground where stones alone are used.
The set-screws E enable the metal grinders to bereadly adjusted within, flush with, or out beyond the surfaces of the stones, as occasion requires.
JOHN J. CLARK. BYRON CLARK.
Witnesses ALBERT ROGERS, D. F. DUMsEs.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US255772A true US255772A (en) | 1882-04-04 |
Family
ID=2325061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US255772D Expired - Lifetime US255772A (en) | Grinding-mill |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US255772A (en) |
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0
- US US255772D patent/US255772A/en not_active Expired - Lifetime
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