US122290A - Improvement in lightning-rods - Google Patents
Improvement in lightning-rods Download PDFInfo
- Publication number
- US122290A US122290A US122290DA US122290A US 122290 A US122290 A US 122290A US 122290D A US122290D A US 122290DA US 122290 A US122290 A US 122290A
- Authority
- US
- United States
- Prior art keywords
- rod
- lightning
- rods
- point
- strip
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
Definitions
- my invention relates to improvements in lightning-rods or conductors; and the invention consists, first, in constructing the rod of a continuous flat zinc strip surrounded entirely by a continuous copper strip, the object being to produce a continuous striprod, combining greater strength with greater conducting powers for electricity than any heretofore known. Secondly, it consists in a simple attacl'lment of the point to the rod, dispensing with the use of collars, clasps, rivets, screws, bolts, 85c, all as hereinafter fully described:
- Figure 1 is a perspective View of my invention.
- Fig. 2 is a longitudinal sectional view on the line :10 a, Fig. 1.
- Fig. 3 is a cross-section on the line 3 3 Fig. 1.
- A represents a flat strip of zinc extending from its seat in the lower end of the point to the lower end of the rod, and can be made of any size required, adapting it to various heights to which the rod is applied.
- B is a fiat copper strip entirely surrounding the strip A, as shown by Fig. 3, and forming, with the strip A, the rod.
- 0 is the point, made flat at its lower end, and to correspond in width with the width of the rod B.
- the point 0 has a slot, 0, at its lower end, for the reception of the upper end of the rod B.
- D is the staff supporting the upper end of the rod, and also the point, in the usual manner, by the attachments E E.
- G is a hole punched entirely through one of the flanges formed on the lower end of the point C, by the slot 0, and partly through the other flange.
- lightning-rod constructed in the manner and of the form described are that thereby a greater conducting surface of copper (the best conducting metal) is presented for the passage of the electric fluid, while the zinc, or other metal enveloped within the copper, without impairing its power as a conductor, imparts a degree of strength and rigidity to the rod unattainable by the use of copper alone, which, from its soft and ductile nature, is in itself deticient in strength and rigidity; and, at the same time, when made in the flat form and in the manner described, these lightning-rods possess the further advantages of cheapness of construction, ease and facility of transportation, fitting up, 850.
- copper the best conducting metal
- a lightning-rod constructed of a flat strip of zinc or other strengthening metal surrounded by a strip of copper, substantially as and for the purpose specified.
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Description
UNITED STATES PATENT QFFIOE.
CHARLES P. SNOW, OF FREEPORT, ILLINOIS.
IMPROVEMENT IN LIGHTNING-RODS.
Specification forming part of Letters Patent No. 122,290, dated December 26, 1871; antedated December 23, 1871.
SPECIFICATION.
1, CHARLES P. Snow, of Freeport, in the county of Stephenson and State of Illinois, have invented certain Improvements in Lightning- Bods, of which the following is a specification:
N (more and Objects of the Invention.
The nature of my invention relates to improvements in lightning-rods or conductors; and the invention consists, first, in constructing the rod of a continuous flat zinc strip surrounded entirely by a continuous copper strip, the object being to produce a continuous striprod, combining greater strength with greater conducting powers for electricity than any heretofore known. Secondly, it consists in a simple attacl'lment of the point to the rod, dispensing with the use of collars, clasps, rivets, screws, bolts, 85c, all as hereinafter fully described:
Description of the Accompanying Drawing.
Figure 1 is a perspective View of my invention. Fig. 2 is a longitudinal sectional view on the line :10 a, Fig. 1. Fig. 3 is a cross-section on the line 3 3 Fig. 1.
General Description.
A represents a flat strip of zinc extending from its seat in the lower end of the point to the lower end of the rod, and can be made of any size required, adapting it to various heights to which the rod is applied. B is a fiat copper strip entirely surrounding the strip A, as shown by Fig. 3, and forming, with the strip A, the rod. 0 is the point, made flat at its lower end, and to correspond in width with the width of the rod B. The point 0 has a slot, 0, at its lower end, for the reception of the upper end of the rod B. D is the staff supporting the upper end of the rod, and also the point, in the usual manner, by the attachments E E. G is a hole punched entirely through one of the flanges formed on the lower end of the point C, by the slot 0, and partly through the other flange.
The manner of forming this joint between the point C and the rod B is very simple. The end of the rod B being inserted in the slot 0 a punch is then inserted in the hole G, and, being struck with a hammer, will recess or sink a part of the rod B into the recess in the other side of the point 0, and hold it sufficiently secure for all purposes.
The advantages of a lightning-rod constructed in the manner and of the form described are that thereby a greater conducting surface of copper (the best conducting metal) is presented for the passage of the electric fluid, while the zinc, or other metal enveloped within the copper, without impairing its power as a conductor, imparts a degree of strength and rigidity to the rod unattainable by the use of copper alone, which, from its soft and ductile nature, is in itself deticient in strength and rigidity; and, at the same time, when made in the flat form and in the manner described, these lightning-rods possess the further advantages of cheapness of construction, ease and facility of transportation, fitting up, 850.
What I claim as my invention is- 1. A lightning-rod constructed of a flat strip of zinc or other strengthening metal surrounded by a strip of copper, substantially as and for the purpose specified.
2. In combination with a flat lightning-rod, A B, the point C, when united by compressing the rod B into the recess 0, in the manner substantially as set forth. 1 7
CHARLES P. SNOW.
Witnesses S. F. ASPINWALL, J. MASON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US122290A true US122290A (en) | 1871-12-26 |
Family
ID=2191729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US122290D Expired - Lifetime US122290A (en) | Improvement in lightning-rods |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US122290A (en) |
-
0
- US US122290D patent/US122290A/en not_active Expired - Lifetime
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