US522216A - Wire-support for overhead electric railways - Google Patents

Wire-support for overhead electric railways Download PDF

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Publication number
US522216A
US522216A US522216DA US522216A US 522216 A US522216 A US 522216A US 522216D A US522216D A US 522216DA US 522216 A US522216 A US 522216A
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United States
Prior art keywords
support
arm
wire
overhead electric
bracket
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Expired - Lifetime
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/24—Cross arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/08—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands

Definitions

  • My invention relates to overhead electric railways, and its object is toimprove the construction of the bracket and arm which are used to support the trolley Wire, and especlally to provide an efficient mode of insulating the arm from the bracket and pole.
  • Figure 1 is a side elevation of a bracket and arm embodying my invention.
  • Fig. 2 is a vertical longitudinal section of the joint between the bracket and the pole
  • Fig. 3 is a vertical longitudinal section of the joint between thebracket and the arm.
  • the pole A is of any suitable construction, and may be tubular, as shown.
  • the bracket B is of any suitable design, being preferably that of a right angle triangle, as illustrated, with one edge vertical and another horizontal.
  • the vertical edge is provided with a sleeve or sleeves b encircling the pole A, and vertically adjustable thereon by means of a set screw b.
  • the bracket. is provided on its upper edge, preferably at the point where it joins the sleeve b, with a tubular socket b2, the axis of which is in the plane of the bracket, and is parallel with the horizontal edge thereof.
  • a bead b3 surrounds the mouth of this socket. It is annularly recessed on the inside at b4, and the lower portion of its circumference is cut away at b5.
  • the arm C may be a metallic tube, as shown. Its inner end is connected with the bracket by a plugordowelD of wood or other insulating material driven tightly into the tube and projecting therefrom far enough to havea rm bearing in the socket b2.
  • the end of the tube C is received within the beaded mouth of the socket, but is not in con tact therewith.
  • the bead serves as a watershed to prevent moisture from reaching that part of the wood exposed between the arm and the sleeve, and forming a short circuit.
  • the outer end of the bracket carries an eye b, through which passes the arm C.
  • a sleeve .E of insulating material is interposed between the eye h6 and the arm, which is clamped by a set screw 57.
  • At each end of the eye h6 is a water-shed bs similar to the one on the socket b2, and projecting beyond the ends of the sleeve E.
  • a plug F of insulating material, is driven into the outer end of the arm C and serves to support the trolley wire. It may be secured by aset screw f.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Description

(No Mode1.\
A. W. JONES. WIRE SUPPORT FOR OVERHEAD ELECTRIC EAILWAYS.
Patented July 3, 1894.
IIIHHM\\\\\\\\\\\\\\\\\\`\\\\\\\\\\\\\\\\\\\\\\\` 4UNITED STATES PATENT OEEICE.
ARTHUR W. JONES, lOF BOSTON, MASSACHUSETTS, ASSIGNOR TO THE THOM- SON-HOUSTON ELECTRIC COMPANY, OF CONNECTICUT.
WIRE-SUPPORT FOR OVERHEAD ELECTRIC RAILWAYS.
SPECIFICATION forming part of Letters Patent No. 522,216, dated J' uly 3, 1894.
l Application inea May 21, 1892. serial No. 433.822. (No modem To all whom it may concern.-
3e it known that I, ARTHUR W. JONES, a citlzen of the United States, residing at Boston, county of Suffolk, State of Massachusetts, have invented a certain new and useful Improvement in Overhead Electric Railways, of Wh1chthe following is a specification.
My invention relates to overhead electric railways, and its object is toimprove the construction of the bracket and arm which are used to support the trolley Wire, and especlally to provide an efficient mode of insulating the arm from the bracket and pole.
l The invention consists in certain details of construction as hereinafter described and partlcularly pointed out in the claims.
In the drawings, Figure 1 isa side elevation of a bracket and arm embodying my invention. Fig. 2 is a vertical longitudinal section of the joint between the bracket and the pole, and Fig. 3 is a vertical longitudinal section of the joint between thebracket and the arm.
The pole A is of any suitable construction, and may be tubular, as shown.
The bracket B is of any suitable design, being preferably that of a right angle triangle, as illustrated, with one edge vertical and another horizontal. The vertical edge is provided with a sleeve or sleeves b encircling the pole A, and vertically adjustable thereon by means of a set screw b. The bracket. is provided on its upper edge, preferably at the point where it joins the sleeve b, with a tubular socket b2, the axis of which is in the plane of the bracket, and is parallel with the horizontal edge thereof. A bead b3 surrounds the mouth of this socket. It is annularly recessed on the inside at b4, and the lower portion of its circumference is cut away at b5.
The arm C may be a metallic tube, as shown. Its inner end is connected with the bracket by a plugordowelD of wood or other insulating material driven tightly into the tube and projecting therefrom far enough to havea rm bearing in the socket b2. The end of the tube C is received within the beaded mouth of the socket, but is not in con tact therewith. The bead serves as a watershed to prevent moisture from reaching that part of the wood exposed between the arm and the sleeve, and forming a short circuit.
The outer end of the bracket carries an eye b, through which passes the arm C. A sleeve .E of insulating material is interposed between the eye h6 and the arm, which is clamped by a set screw 57. At each end of the eye h6 is a water-shed bs similar to the one on the socket b2, and projecting beyond the ends of the sleeve E. Y
A plug F, of insulating material, is driven into the outer end of the arm C and serves to support the trolley wire. It may be secured by aset screw f.
Having thus described my invention, what I claim, and desire to secure' by Letters Patent, is
l. The combination with a pole, of a bracket adjustably secured thereon, and having a socket provided with a water-shed, and an eye in line with said socket and having a water-shed at each end, substantially as set forth.
2. The combination with a pole, of abracket having sleeves encircling said pole, a socket, and aneye in line therewith, an arm running through said eye and having a dowel of insulating material connecting it with the socket, and a sleeve of insulating material interposed between the arm and the eye, substantially as described.
3. The combination with a metallic bracket having anfeye provided at each end with a Water-shedding bead, of a metallic arm passing through said eye, and an insulating sleeve interposed between said arm and said eye, and terminating inside of the water-shed, substantially as described.
In Witness whereof I have hereto set my hand this lSth day of May, 1892.
ARTHUR W. JoNEs.
Witnesses:
D. MAZENET, MAURICE OLEDIN.
US522216D Wire-support for overhead electric railways Expired - Lifetime US522216A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10302248B2 (en) * 2015-11-16 2019-05-28 Frank Steele Arnold, Iii Universal canopy suspension system for multiple functioning embodiments
EP4148207A1 (en) 2021-09-10 2023-03-15 PetitJean Modular crosshead for public lamp post

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10302248B2 (en) * 2015-11-16 2019-05-28 Frank Steele Arnold, Iii Universal canopy suspension system for multiple functioning embodiments
EP4148207A1 (en) 2021-09-10 2023-03-15 PetitJean Modular crosshead for public lamp post
FR3127002A1 (en) * 2021-09-10 2023-03-17 Petitjean MODULAR BRACKET FOR PUBLIC LIGHTING POLE

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