US125716A - Improvement in metallic telegraph-poles - Google Patents

Improvement in metallic telegraph-poles Download PDF

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Publication number
US125716A
US125716A US125716DA US125716A US 125716 A US125716 A US 125716A US 125716D A US125716D A US 125716DA US 125716 A US125716 A US 125716A
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arms
pole
poles
improvement
telegraph
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    • 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 relatesh o improvements in metallic telegraph-poles; and consistsin constructiu such a pole with collars for supporting horizontal arms which carry the insulators, in the means ot' connecting it with the base-piece, and in the arrangement of a lightning-rod or conductor.
  • Figure l is an elevation of my improved pole, with some parts sectioned.
  • Fig. 2 is a crosssection on the line x x.
  • Fig. 3 is a transverse section on the line 1/ y.
  • Fig. 4 is a section of the common Wood pin and glass insulators for the wires, and
  • Fig. 5 is a section of a solid India-rubber insulator which I propose to use.
  • A is the cast-metal tube, B, the step 5 and O, the arms thereof, for bedding in the earth to support the pole; D, the ears for the braces E, said ears being cast on the pole and the braces being fitted through them, with screennuts F above for straining them to adjust the pole to avertical position.
  • Said braces may be made fast to the arms, or pass through them and be secured by nuts Gr below.
  • H is the collar or rin g cast on the pole for holding the lowermost rin g, and I, shoulders for the other arms, formed by successive reductions of the size of the pole for the other arms.
  • K represents the arms, which may be made of metal bars, with alargc hole at the center to rit on the polo snugly above the shoulders, each arm having its hole corresponding in size to that of the pole above theparticular shoulder where on it is to rest7 said arms either being made in one piece and put on over the top of the pole, or it may be divided in two parts longitudinally and vertically, and bolted together by bolts L.
  • M is the lightning-rod, and N the insulatingtube. Said rod Will project above the top of the pole, as at O, being ⁇ insulated by an India rubber cap, I), iitted water-tight on the top of the pole, and the hole through Whichl the rod passes being packed tightly to prevent the Water leaking out.
  • the said arms will have holes for holding the wood pins Q or Indiarubber insulators R, which may screw into the holes of the solid arms, and they may either screw into the divided arms, or they may be made larger below the arms and be held by such enlargements when clamped by said divided arms.
  • The'arms should be galvanized; the parts below ground should be coated With coal-tar, 'and the parts of the hole above ground should be scaled and primed with red lead.

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  • Insulators (AREA)

Description

`l'. BOYD. Improvement in Metallic Telegraph Poles.
Patented April 16, 1872.
No. l25,7l6.
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Un'rrnn STATES FRANCIS BOYD, OF NEVBURG, NEW YORK.
IMPROVEMENT IN METALLlC TELEGRAPH-POLES.
Speeiiication forming part of Letters Patent No. 125,716, (lated April 16, ISTQ.
Specification describing a neuv and Improved llietallic rIelegraph-Pole, invented by FRANCIS BOYD, ot' Neuburg, in the county of Orange and State or' New Yorl:
My invention relatesh o improvements in metallic telegraph-poles; and consistsin constructiu such a pole with collars for supporting horizontal arms which carry the insulators, in the means ot' connecting it with the base-piece, and in the arrangement of a lightning-rod or conductor.
Figure l is an elevation of my improved pole, with some parts sectioned. Fig. 2 is a crosssection on the line x x. Fig. 3 is a transverse section on the line 1/ y. Fig. 4 is a section of the common Wood pin and glass insulators for the wires, and Fig. 5 is a section of a solid India-rubber insulator which I propose to use.
Similar letters ot' reference indicate corresponding parts.
A is the cast-metal tube, B, the step 5 and O, the arms thereof, for bedding in the earth to support the pole; D, the ears for the braces E, said ears being cast on the pole and the braces being fitted through them, with screennuts F above for straining them to adjust the pole to avertical position. Said braces may be made fast to the arms, or pass through them and be secured by nuts Gr below. H is the collar or rin g cast on the pole for holding the lowermost rin g, and I, shoulders for the other arms, formed by successive reductions of the size of the pole for the other arms. K represents the arms, which may be made of metal bars, with alargc hole at the center to rit on the polo snugly above the shoulders, each arm having its hole corresponding in size to that of the pole above theparticular shoulder where on it is to rest7 said arms either being made in one piece and put on over the top of the pole, or it may be divided in two parts longitudinally and vertically, and bolted together by bolts L. M is the lightning-rod, and N the insulatingtube. Said rod Will project above the top of the pole, as at O, being` insulated by an India rubber cap, I), iitted water-tight on the top of the pole, and the hole through Whichl the rod passes being packed tightly to prevent the Water leaking out. The said arms will have holes for holding the wood pins Q or Indiarubber insulators R, which may screw into the holes of the solid arms, and they may either screw into the divided arms, or they may be made larger below the arms and be held by such enlargements when clamped by said divided arms.
The'arms should be galvanized; the parts below ground should be coated With coal-tar, 'and the parts of the hole above ground should be scaled and primed with red lead.
Having thus described my invention, I claim
US125716D Improvement in metallic telegraph-poles Expired - Lifetime US125716A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365398A (en) * 1992-07-24 1994-11-15 Richard Briet Lightning protection system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365398A (en) * 1992-07-24 1994-11-15 Richard Briet Lightning protection system

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