US256968A - Edson l - Google Patents
Edson l Download PDFInfo
- Publication number
- US256968A US256968A US256968DA US256968A US 256968 A US256968 A US 256968A US 256968D A US256968D A US 256968DA US 256968 A US256968 A US 256968A
- Authority
- US
- United States
- Prior art keywords
- weight
- grooves
- covering
- metal
- edson
- 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.)
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- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 241000217266 Ansonia Species 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/001—Arrangements compensating weight or flexion on parts of the machine
Definitions
- This invention relates to an improvement in weights such as used in extension lamp fixtures 1 5 to counterbalance the lamp and fixture, so that it may be held at any point between the extremes of its elevation or descent.
- weights have been made of cast metal ornamented in the mold. This ornamentation is unavoidably rough and coarse in its character and detracts materially from the artistic appearance of the fixture.
- Plain sheet metal has been used filled by pouring lead or like heavy metal upon its inside; but in such 2 5 weights the surface is hecessarilypla-in.
- the object of my invention is to construct a weight which may be highly ornamental and yet finely finished; and it consists in a castmetal weight having an annular groove or 0 grooves in its surface, with an ornamented sheet-metal covering secured to the body by spinning it into the groove or grooves in the 7 surface of the body, as more fully hereinafter described.
- A represents the weight, which may be of common cast-iron, and of any suitable shape (No model.)
- the weight thus covered costs little, if any, more than the cast-iron weight, which requires to be coated or decorated in some manner.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adornments (AREA)
Description
(No Model.)
E. L. BRYANT.
WEIGHT FOR EXTENSION LAMPS. No. 256,968. Patented Apr.Z5,1882.
UNITED STATES PATENT OFFICE.
EDSON L. BRYANT, ()F ANSONIA, CONNECTICUT, ASSIGNOR OF ONE-HALF TO WALLACE & SONS, OF SAME PLACE.
WEIGHT FOR EXTENSION-LAM PS.
SPECIFICATION forming part of' Letters Patent No. 256,968, dated 'April 25, 1882.
Application filed March (I, 1882.
To all whom 'ti may concern:
Be it known that I, EDSON L. BRYANT, of Ansonia, in the county ofNew Haven and State of Connecticut, have invented a new I improvement in Weights for Extension-Lamps; and I do hereby declare the following, when taken in connection with accompanying drawing and theletters of reference marked thereon, to bea full, clear, and exact description of the same,
To and which said drawing constitutes part of this specification, and rep'resentsa sectional side view.
This invention relates to an improvement in weights such as used in extension lamp fixtures 1 5 to counterbalance the lamp and fixture, so that it may be held at any point between the extremes of its elevation or descent. Usually these weights have been made of cast metal ornamented in the mold. This ornamentation is unavoidably rough and coarse in its character and detracts materially from the artistic appearance of the fixture. Plain sheet metal has been used filled by pouring lead or like heavy metal upon its inside; but in such 2 5 weights the surface is hecessarilypla-in.
The object of my invention is to construct a weight which may be highly ornamental and yet finely finished; and it consists in a castmetal weight having an annular groove or 0 grooves in its surface, with an ornamented sheet-metal covering secured to the body by spinning it into the groove or grooves in the 7 surface of the body, as more fully hereinafter described.
A represents the weight, which may be of common cast-iron, and of any suitable shape (No model.)
to give the required amount of metah In its surface I form in casting one or more annular grooves, a, and then, by suitable dies or otherwise, form a covering from sheet metal, the 4.0 surface of which may be ornamented in the process of stamping to any desired degree. This covering is then placed over the body and the two parts placedin the spinning-lathe and the metal spun down into the grooves, as at d, which firmly secures the covering to the body. The body may be considerably smaller than the covering, as shown, so that the surface below the grooves does not come in contact with the surface of the body; hence it does 0 not interfere with the ornamentation which has been stamped in the covering. The stamped sheet metal presents smooth and sharply-defined figures, so that the weight may be made a highly ornamental part of the fixture, costing little or nothing more than it does to make the surface plain and avoids the unsightly ornamental weight most commonly used.
The weight thus covered costs little, if any, more than the cast-iron weight, which requires to be coated or decorated in some manner.
I claim-- The herein-described weight for lamp-fixtures, consisting of the cast-metal-body A, constructed with annular groove or grooves a, combined with the sheet-metal covering B, spun into the annular groove or grooves, substantially as described.
EDSON L. BRYANT.
Witnesses:
F. L. GAYLORD, G. H. HAWLEY.
Publications (1)
Publication Number | Publication Date |
---|---|
US256968A true US256968A (en) | 1882-04-25 |
Family
ID=2326256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US256968D Expired - Lifetime US256968A (en) | Edson l |
Country Status (1)
Country | Link |
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US (1) | US256968A (en) |
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0
- US US256968D patent/US256968A/en not_active Expired - Lifetime
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