US176820A - Improvement in lightning-rods - Google Patents
Improvement in lightning-rods Download PDFInfo
- Publication number
- US176820A US176820A US176820DA US176820A US 176820 A US176820 A US 176820A US 176820D A US176820D A US 176820DA US 176820 A US176820 A US 176820A
- Authority
- US
- United States
- Prior art keywords
- lightning
- rod
- rods
- improvement
- vermilya
- 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
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
Definitions
- Figure 1 is a perspective View of the lightningrod.
- Fig.2 is a cross-section of the same.
- Fig. 3 is a cross-section of the connection.
- A represents the lightning-rod, formed of metallic plate, and is first formed as shown in cross-section at Fig. 2, and then is given a spiral twist, which gives rigidity to the rod.
- the wings are of equal depth, the central being double and at a right angle to the single wings, which are in direct line with each other.
- connection 0 is shown in its relation to.
- the plate is formed so as to embrace the two wings of single plate, to which it is held by a countersink or by rivets or wire.
- Galvanized-iron plate may be used for making this rod, but copper plate is preferable.
- What I claim as my invention is- A lightning-rod formed by bending a strip of metal upon itself, as shown, so as to form two right-an gled triangles, placed back to back, the whole being then twisted, substantially as shown and set forth.
Description
L. VERMILYA.
LIGHTNING-ROD. NO.176,8Z0, Patented May 2,1876.
UNITED STATES PATENT OFFICE.
' LELAND D. VERMILYA, OF DAYTON, ASSIGNOR OF TWO-THIRDS HIS RIGHT TO EDWIN PIOKERING, OF WEST MILTON, AND BARTON PIOKERING,
OF DAYTON, OHIO.
IMPROVEMENT IN LIGHTNING-RODS.
Specification forming part of Letters Patent No. 1 76,820, dated May 2, 1876; application filed April 20, 1874.
To all whom it may concern:
Be it known that I, LELAND D. VERMILYA, of Dayton, in the county of Montgomery and State of Ohio, have invented an Improved Lightning-Rod, of which the following is a specification My improvements consist of the manner of folding a metallic plate to make a lightningrod, and a device to connect the same.
Figure 1 is a perspective View of the lightningrod. Fig.2 is a cross-section of the same. Fig. 3 is a cross-section of the connection.
A represents the lightning-rod, formed of metallic plate, and is first formed as shown in cross-section at Fig. 2, and then is given a spiral twist, which gives rigidity to the rod. The wings are of equal depth, the central being double and at a right angle to the single wings, which are in direct line with each other.
The connection 0 is shown in its relation to.
the ends of the rod at Fig. 1, and in cross-section at Fig. 3. The plate is formed so as to embrace the two wings of single plate, to which it is held by a countersink or by rivets or wire.
Galvanized-iron plate may be used for making this rod, but copper plate is preferable.
I amaware that the folding, twisting, and riveting together of strips of metal have been done. My purpose of folding a single strip of metallic plate and giving the same a spiral twist is to form a conductor that shall be rigid, simple, cheap, and effective.
What I claim as my invention is- A lightning-rod formed by bending a strip of metal upon itself, as shown, so as to form two right-an gled triangles, placed back to back, the whole being then twisted, substantially as shown and set forth.
LELAND D. VERMILYA. Witnesses:
W. H. CLARK, G. E. HOWELL.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US176820A true US176820A (en) | 1876-05-02 |
Family
ID=2246227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US176820D Expired - Lifetime US176820A (en) | Improvement in lightning-rods |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US176820A (en) |
-
0
- US US176820D patent/US176820A/en not_active Expired - Lifetime
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