US182563A - Improvement in lamp-shades - Google Patents
Improvement in lamp-shades Download PDFInfo
- Publication number
- US182563A US182563A US182563DA US182563A US 182563 A US182563 A US 182563A US 182563D A US182563D A US 182563DA US 182563 A US182563 A US 182563A
- Authority
- US
- United States
- Prior art keywords
- lamp
- improvement
- shade
- shades
- chimney
- 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
- 239000011521 glass Substances 0.000 description 6
- 229910052571 earthenware Inorganic materials 0.000 description 4
- 241000324343 Causa Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
Definitions
- This shade is intended to encompass and rest on the outer surface of a lamp-chimney, and to touch it, in a series of points only, with conduits or passages between them for the air to pass in currents between the chimney and shade, in order to keep the shade cool and prevent it from being cracked by the heat of the chimney.
- A denotes the shade ot' ground77 or frosted77 glass, porcelain, or earthenware, it being a conic frustuln in its general form. It has at its upper edge a series of corrugations or flutes, a a, a, springing der or by the heat of the chimney, greatly strengthen the shade at its upper part.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
R. R. causa?. l LAMP-SEMES. l No.182,'56:3.` Patented' sept. 26,1876.
N4 PETERS, PHOTQLITHOGRAPNEA wASHlNGTON. D. C4
UNITED STATES APATENT OFFICEm ROBERT R. CROSBY, OF BOSTON, MASSACHUSETTS.
IMPROVEMENT IN LAMP-SHADES.
Specification forming part of Letters Patent No. 182,563, dated September 26, 1876; application led March 20, 1876.
To all whom et may concern:
Be it known that I, ROBERT R. CROSBY, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and usevful Improvement in Glass or EarthenWa-re Shades for Application to Lamp-Chimneys; and I do hereby declare the same to be fully described in the following specification and represented in the accompanying drawings, of Which- Figure 1 is a top view, Fig. 2 a side elevation, and Fig. 3 a transverse section, ot'a shade provided with my improvement.
This shade is intended to encompass and rest on the outer surface of a lamp-chimney, and to touch it, in a series of points only, with conduits or passages between them for the air to pass in currents between the chimney and shade, in order to keep the shade cool and prevent it from being cracked by the heat of the chimney.
In the drawings, A denotes the shade ot' ground77 or frosted77 glass, porcelain, or earthenware, it being a conic frustuln in its general form. It has at its upper edge a series of corrugations or flutes, a a, a, springing der or by the heat of the chimney, greatly strengthen the shade at its upper part.
I claim- 1. As a new manufacture, an earthenware `or glass conical lamp-shade, having its upper edge or part corrugated or uted, substantially as and for the purpose specified.
2. In a lamp-shade, the corrugations ,or liutes a, and base and cap flanges b c, arranged therewith, all substantially as described.
ROBERT R. CROSBY. Witnesses R. H. EDDY, J. R. SNOW.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US182563A true US182563A (en) | 1876-09-26 |
Family
ID=2251969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US182563D Expired - Lifetime US182563A (en) | Improvement in lamp-shades |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US182563A (en) |
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0
- US US182563D patent/US182563A/en not_active Expired - Lifetime
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