US84971A - Improved millstone-dress - Google Patents
Improved millstone-dress Download PDFInfo
- Publication number
- US84971A US84971A US84971DA US84971A US 84971 A US84971 A US 84971A US 84971D A US84971D A US 84971DA US 84971 A US84971 A US 84971A
- Authority
- US
- United States
- Prior art keywords
- circle
- stone
- diameter
- dress
- millstone
- 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 28
- 210000002683 Foot Anatomy 0.000 description 12
- 210000003414 Extremities Anatomy 0.000 description 8
- 238000003870 depth resolved spectroscopy Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001009 modulus addition using spatially separated echo spectroscopy Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
Definitions
- Figure 2 a view of' the pattern by which the face of the stone is marked, in order to .cut the desired dress in the stone.
- the pattern is made as follows:
- A Upon a piece of sheet-metal or other suitable thin material, A, (see fig. 2,) I make a circle, No. 1, the diameter of which is proportionate to the diameter of the stone to be dressed, about one-twelfth, (9 so. that, for a stone four feet in diameter, the circle 1 would be four ipches in diameter.
- No. 2 is a circle made concentric with No. '1, the diameter of No. 2 being one and a half inch to every foot oi the diameter of the stone.
- No. 3 is a circle concentric with Nos. 1 and 2, and
- No. 6 is a circle equal in diameter to the stone. (The radius between the circles 3 and 6 is divided into three equal parts by-two circles, 4 and 5.).
- No. 7 is what I term the draught-circle. .No. 2, the furrow-circle.
- the circle No. 6 is divided into three times as many parts as the number of feet in the diameter of the stone. Add one division for every two feet of diani ter. For a stone of four feet in diameter, the circle No. 6 would be divided into fourteen equal parts.
- a curved line, a is drawn from circle 2 to one of the division-points b, on circle 6.
- a point, 0, is then made on circle 6, a distance from the point of intersection formed by the line a with 6 equal to oneeighth (a) of an inch for every footof the diameter of the stone; which distance, for a stone four feet in diameter, would be half an inch, and another line, a, is drawn from circle 1 to the point 0 in circle 6 thus made.
- the limbs are all cut out, forming a stencil-plate for each division of the stone, and the whole face of the. upper stone is then marked ofi orpainted, by means of the stencil, and the painted surfaces cut out, to form half-round fur:
- the letters'A BC I) show the canals or spaces between the furrows.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Rehabilitation Tools (AREA)
- Adornments (AREA)
Description
B. c. STEPHENS.
Millstone Dress. I
Patented Dec. 15, 1868.
@aimfiCBitirt. a
BENJAMIN C. STEPHENS, OF 'HOUSTON, MISSOURI.
" Letters Patent .Ne. 84,971, eleee'ez December 15,1868.
IMPROVED MILLSTONE-DRESS.
The Schedule referred .to in these Letters Patent and'making part of the same.
- whereby grain may be ground in a uniform and perfect manner.
in the accompanying sheet of drawings- Figure l is a face view of my invention.
Figure 2, a view of' the pattern by which the face of the stone is marked, in order to .cut the desired dress in the stone.
Similar letters of reference indicate like parts.
The pattern is made as follows:
Upon a piece of sheet-metal or other suitable thin material, A, (see fig. 2,) I make a circle, No. 1, the diameter of which is proportionate to the diameter of the stone to be dressed, about one-twelfth, (9 so. that, for a stone four feet in diameter, the circle 1 would be four ipches in diameter.
No. 2 is a circle made concentric with No. '1, the diameter of No. 2 being one and a half inch to every foot oi the diameter of the stone.
No. 3 is a circle concentric with Nos. 1 and 2, and
I equal in diameter to the eye of the stone; and
No. 6 is a circle equal in diameter to the stone. (The radius between the circles 3 and 6 is divided into three equal parts by-two circles, 4 and 5.).
No. 7 is what I term the draught-circle. .No. 2, the furrow-circle.
No. 3, the eye-circle.
N o. 4, the first-limb circle.
No. 5, the second-limb circle.-
No. 6, thestone-periphery circle.
The circle No. 6 is divided into three times as many parts as the number of feet in the diameter of the stone. Add one division for every two feet of diani ter. For a stone of four feet in diameter, the circle No. 6 would be divided into fourteen equal parts.
Then, with a radius equal to the diameter of the stone, a curved line, a, is drawn from circle 2 to one of the division-points b, on circle 6. A point, 0, is then made on circle 6, a distance from the point of intersection formed by the line a with 6 equal to oneeighth (a) of an inch for every footof the diameter of the stone; which distance, for a stone four feet in diameter, would be half an inch, and another line, a, is drawn from circle 1 to the point 0 in circle 6 thus made.
'The centres between the division-points, on circle 6,
are then formed, and limbs (I made, which are similar to the curved lines a a, between the circles 4: and 6, as
shown clearly in the drawings.
The centres between theselimbs d, andthe divisionpoints on both sides of them, are then found, and limbs 0 made, which are each connected with the larger limbs, as shown at f.
When the draught is thus made, the limbs are all cut out, forming a stencil-plate for each division of the stone, and the whole face of the. upper stone is then marked ofi orpainted, by means of the stencil, and the painted surfaces cut out, to form half-round fur:
rows. x
The letters'A BC I) show the canals or spaces between the furrows.
Having thus described my invention,
I claim as new, and desire to secure by Letters Patent.--
The formingor laying out of a millstone-dress, by means of a stencil-plate or pattern, made in the manner'substantially as herein shown and described.
BENJAMIN C. STEPHENS.
Witnesses:
THoMAs'D. GREEN, J AMES H. MASSEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US84971A true US84971A (en) | 1868-12-15 |
Family
ID=2154460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US84971D Expired - Lifetime US84971A (en) | Improved millstone-dress |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US84971A (en) |
-
0
- US US84971D patent/US84971A/en not_active Expired - Lifetime
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