US11886A - Machinery for polishing stone - Google Patents
Machinery for polishing stone Download PDFInfo
- Publication number
- US11886A US11886A US11886DA US11886A US 11886 A US11886 A US 11886A US 11886D A US11886D A US 11886DA US 11886 A US11886 A US 11886A
- Authority
- US
- United States
- Prior art keywords
- polishing
- stones
- frame
- stone
- machinery
- 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 title description 50
- 238000005498 polishing Methods 0.000 title description 42
- 210000003414 Extremities Anatomy 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 239000000126 substance Substances 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
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
Definitions
- my invention consists in polishing the surfaces of stones by means of a horizontal rotating plane of stone, or other suitable material, combined with apparatus for holding the stones, while their surfaces are being polished, arranged in such a manner that the polishing friction exerted by the rotating plane upon the surfaces of the pieces of stones, will cause them to rotate upon the axes of the frames that receives them, substantially as hereinafter set forth.
- the polishing plane employed by me I usually construct of stone segments c, c, placed upon and properly secured to a wooden wheel A, which is immovably secured in a horizontal position to a vertical shaft (JZ, that is supported in suitable bear ings, and driven by any power that may be thought most expedient.
- Fig. 6 represents the manner of bedding, adjusting and securing the stone segments c, c, to each other and to the wheel A; viz: the segments rest upon tension bars f, f, which are placed under their angles; the outer ends of said bars, are turned up against the outer surfaces of the segments, or against plates e', Z, which are let into recesses in the segments; the inner extremities of the said bars have screws formed upon them which pass through staples L., it, whose shanks are let into the wheel A. Nuts placed upon the screws at the ends of said tension bars, bear 'against the inner sides of the staples h, Zt,
- Each of said frames has a spindle e, passing through its center, which Vdescends from a crane g, or other equivalent device, arranged in such a position that the polishing friction exerted upon the stone or stones, placed in said frame, will impart a rotary motion to the frame andthe stone or stones placed therein.
- FIG. 3 shows the arrangement of the parts m, n., n, of said frame for securing a couple of flat stones lo', c, in a position for polishing their oblique edges; and Fig. 4 represents the respect-ive parts of said frame in a position for polishing the right angular edges of the stones lc, is.
- FIG. 5 is an end view of the said frame Z), ZJ', Z, Z, representing the stone la', in a position for polishing its oblique edge, and the stone/lc, in a position for polishing its right angular edge; but I find that when thus arranged, the action is not so perfect as when the stones are arranged in the manner represented by Figs. 3 and 4. For the reason that the surfaces to be polished should be distributed as near as possible, equidistant from the axis of the receiving frame, for the purpose of causing the polishing friction to impart a rotary motion to said frame.
- the spindle e which passes through the aforesaid frame b, b, Z, Z, descends from the crane g, which projects from the pivoted post B, and is properly secured by braces.
- the said frame is retained in a proper position upon the polishing plane, by means of the brace p.
- the spindle e may be secured to the stone holding frame, in such a manner that the frame and its contents can be swung 'tion of the description of the pieces to be opon to, or off from the polisher, by means of the crane g; or a separate crane may be employed for that purpose, and the crane g, and spindle e, be employed merely for pivoting the said frame during the process of polishto produce a smooth surface.
Description
UNITED STATES PATENT oEEicE."
ALBERT BROUGHTON, OF MALONE, NEW YORK.
MACHINERY FOR POLISHING STONE.
Specification forming part of Letters Patent No. 11,886, dated November 7, 1854; Antedated october 24, 1854; Reissued october 24, 1854, No. 35o.
To ZZZ 'whom ZZ may concern:
Bait known that I, ALBERT BRoUGHToN, of Malone, in the county of Franklin and State o-f New York, have invented a new and Improved Method of Polishing the Surfaces of Stones; and I do hereby declare that the following is a full and exact description thereof, reference being had to theaccompanying drawings, making a part of this specification, Figure 1 being an elevation of my improved polishing machine; Fig. 2 a plan, with some of the parts removed; and Figs. 3, 4, 5, 6, and 7 are views showing various parts of the machine in detail.
Similar letters indicate like parts in all the figures.
The nature of my invention consists in polishing the surfaces of stones by means of a horizontal rotating plane of stone, or other suitable material, combined with apparatus for holding the stones, while their surfaces are being polished, arranged in such a manner that the polishing friction exerted by the rotating plane upon the surfaces of the pieces of stones, will cause them to rotate upon the axes of the frames that receives them, substantially as hereinafter set forth.
The polishing plane employed by me, I usually construct of stone segments c, c, placed upon and properly secured to a wooden wheel A, which is immovably secured in a horizontal position to a vertical shaft (JZ, that is supported in suitable bear ings, and driven by any power that may be thought most expedient.
Fig. 6 represents the manner of bedding, adjusting and securing the stone segments c, c, to each other and to the wheel A; viz: the segments rest upon tension bars f, f, which are placed under their angles; the outer ends of said bars, are turned up against the outer surfaces of the segments, or against plates e', Z, which are let into recesses in the segments; the inner extremities of the said bars have screws formed upon them which pass through staples L., it, whose shanks are let into the wheel A. Nuts placed upon the screws at the ends of said tension bars, bear 'against the inner sides of the staples h, Zt,
as they are turned, and consequently draw the tension bars inward, and thereby so act upon the segments as to closely and securely unite them to each other and to the wheel A; and in such manner that they can be adjusted to a true annular position whose cen- `ter is the axis of motion; and also in such manner that any one of the said segments can readily be withdrawn and replaced by` era-ted upon. Each of said frames has a spindle e, passing through its center, which Vdescends from a crane g, or other equivalent device, arranged in such a position that the polishing friction exerted upon the stone or stones, placed in said frame, will impart a rotary motion to the frame andthe stone or stones placed therein. A frame b, b', Z, Z, for securing flat stones in proper positions for polishing their edges, either bevelingor at right angles to their sides, is shown in Figs. l, 2, 3, and 4. Fig. 3 shows the arrangement of the parts m, n., n, of said frame for securing a couple of flat stones lo', c, in a position for polishing their oblique edges; and Fig. 4 represents the respect-ive parts of said frame in a position for polishing the right angular edges of the stones lc, is. Fig. 5 is an end view of the said frame Z), ZJ', Z, Z, representing the stone la', in a position for polishing its oblique edge, and the stone/lc, in a position for polishing its right angular edge; but I find that when thus arranged, the action is not so perfect as when the stones are arranged in the manner represented by Figs. 3 and 4. For the reason that the surfaces to be polished should be distributed as near as possible, equidistant from the axis of the receiving frame, for the purpose of causing the polishing friction to impart a rotary motion to said frame. The spindle e, which passes through the aforesaid frame b, b, Z, Z, descends from the crane g, which projects from the pivoted post B, and is properly secured by braces. The said frame is retained in a proper position upon the polishing plane, by means of the brace p. The spindle e, may be secured to the stone holding frame, in such a manner that the frame and its contents can be swung 'tion of the description of the pieces to be opon to, or off from the polisher, by means of the crane g; or a separate crane may be employed for that purpose, and the crane g, and spindle e, be employed merely for pivoting the said frame during the process of polishto produce a smooth surface. For the reas` son that 'the cutting sand used in saidprocess, will gather into ridges, and, When a rotary motion is employed for producing the polishing friction, creases Will be formed in the surfaces of the stones very similar inappearance to those produced by the action of a Widevset circular saw in soft Wood. But, by employing a rotating polishing plane, and placing the stones to be polished in pivoted frames,so arranged that the polishing friction Will cause the stones operated upon to rot-ate around the axes of their receiving frames, a perfectly smooth and straight surface is invariably produced.
It is presumed that this method o-f polishing, may be employed inthe polishing of metals and" other substances', as Well as of stone. y
I am aware that a planetary motion has been given to a polisher, and also that distinct' rotarymotions'have been given to the polishing and the' polished surfaces, by separate and distant mechanicalmeans, but
What I do claim as my invention and desire to-secure by Letters Patent, is
Causing the stones polished to be rotated karound their own axes, or the axes of their receiving frames, by the polishing friction produced by thegrotating polishing surface upon said stones, substantially as herein set forth.
l ALBERT BROUGHTON. Witnesses:
, Z. C. ROBBINS,
G. W. ADAMS.
[FIRST PRINTED 1913.]
Publications (1)
Publication Number | Publication Date |
---|---|
US11886A true US11886A (en) | 1854-11-07 |
Family
ID=2072224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11886D Expired - Lifetime US11886A (en) | Machinery for polishing stone |
Country Status (1)
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US (1) | US11886A (en) |
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- US US11886D patent/US11886A/en not_active Expired - Lifetime
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