US1311977A - Insttlatob-bbacket - Google Patents

Insttlatob-bbacket Download PDF

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Publication number
US1311977A
US1311977A US1311977DA US1311977A US 1311977 A US1311977 A US 1311977A US 1311977D A US1311977D A US 1311977DA US 1311977 A US1311977 A US 1311977A
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United States
Prior art keywords
bracket
arm
spool
insulator
support
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Expired - Lifetime
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/20Pin insulators

Definitions

  • a further object of the invention 1s to provide an insulator bracket which may be screwed to the side of the support andthen locked in this position and prevented from turning by means of a small nail or other ⁇ holding means.
  • a further object of the invention is to provide an insulator bracket having a novel means for holding and locking the insulating spool on the arm of the bracket.
  • a further object of the invention is to provide an insulator bracket .in which the parts are so shaped as to provide the maximum bracing effect in a very simple manner.
  • a further object of the invention is to provide an insulator bracket which is of simple construction, is strong and durable, can be manufactured at a minimum cost and is well adapted for the purpose described.
  • the invention consists of the improved insulator bracket and its parts and combinations as set forth in the claim, and all equivalents thereof.
  • Figure 1 is a side view of the improved insulator bracket, arts being shown in section to illustrate interior construction ;l
  • Fi .2 is a horizontal sectional view thereof ta en on line 2-2 of Fig. 1;
  • Fig. 3 is a vertical sectional view thereof taken on line 3-3 of Fig. 1.
  • the numeral 5 indicates t e base portion, 6 the attaching screw, 7 the curved arm and 8 the insulating spool mounted thereon.
  • the base portion is of disk like formand is provided with diametrically oppositely positioned tangential slots 9 to receive nails or screws (not shown) which are driven into the support.
  • the arm which is of goose neck form, projects outwardly from the base portion and is then curved downwardly and upwardly in a half curve as indicated by the numeral 10 and its upper insulator holder portion 11 projects vertically in a straight line and terminates at a point above the upper edge of the base.
  • the insulating spool 8 ibefore mentioned is mounted-on the vertically extending portion and rests upon an annular shouldelr 12 formed on the arm.
  • the upper end portion of the arm immediately above the spool is provided with a transversely extending opening 13 through which extends a locking pin 14,' preferably formed of copper wire,
  • the insulating spool is preferably formed of glass, porcelain or other like material and is provided with grooved and fianged portions 8 to better protect the wires (not shown) connected to the spool and to more easily shed water.
  • Theattaching screw 6 of the bracket is formed of steel and is connected to the bracket by casting the bracket around the outer end or elongated head of the screw during the course of manufacture, the outer end portion of the screw being provided with annular grooves 14 into which the metal of the bracket flows in casting and forms an intimate union between the two parts so that the parts are practically integral.
  • the base is comparatively of large diameter. This large diameter forms a large bearing surface against the support and serves as a brace to prevent the sagging ory tilting downwardly of the bracket.
  • the bracket may be easily screwed into a support without the use of tools and the large bearing surface of the base serves to prevent the bracket from accidentally unscrewing 4 from the support.
  • tangential slots provide a means for positively locking the bracket'to the support when desired.
  • the insulator bracet is of very simple construction and is well adapted for the purpose desired.
  • An insulator bracket oomprisinga comparatively large base member, a threaded member around one end portion of which the base member has been formed-by castin to permit attachment to a support, said ase member also having a downwardly and upwardly extending arm with itsA upper end portion extendingr in a straight line atv approximately right angles to the threaded means, the lower end portion of the straight part having an inte ral supporting shoulder.
  • an the upper end of the arm provided with a ⁇ transverse opening, an insulating spool havin a bore through which the straight portion of the arm extends to permit the spool to rest directly upon the shoulder, and a wire pin extending through the transverse opening of the arm and having its end portions bent around the arm to lock the pm to the arm and the spool between the shoulder and the pin.

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  • Insulators (AREA)

Description

W. D. KYLE.
INSULATOR BRACKEL APPLICATION min AuG.2. 1915.
Patented lgug. 5, 1919.
ATTUR/v/:YE'
UNITED STATES APATENT OFFICE.
WILLIAM D. KYLE, 0F MILWUBE, "WISCONSINZ msurxronfnaoxnr.
Specication of Letters Patent.
Patented Aug. 5, 1919.
application nica August 2, i915. semi No. 43,079.
larly adapted for attachment to the side ofV a support and having an arm projecting at an angle to holdthe insulator in upright or other position. y
A further object of the invention 1s to provide an insulator bracket which may be screwed to the side of the support andthen locked in this position and prevented from turning by means of a small nail or other` holding means.
A further object of the invention is to provide an insulator bracket having a novel means for holding and locking the insulating spool on the arm of the bracket. 0
A further object of the invention is to provide an insulator bracket .in which the parts are so shaped as to provide the maximum bracing effect in a very simple manner.
A further object of the invention is to provide an insulator bracket which is of simple construction, is strong and durable, can be manufactured at a minimum cost and is well adapted for the purpose described.
With the above and other objects in view the invention consists of the improved insulator bracket and its parts and combinations as set forth in the claim, and all equivalents thereof.
In the accompanying drawing in which the same reference characters indicate the same parts in all of the views:
Figure 1 is a side view of the improved insulator bracket, arts being shown in section to illustrate interior construction ;l
Fi .2 is a horizontal sectional view thereof ta en on line 2-2 of Fig. 1; and
Fig. 3 is a vertical sectional view thereof taken on line 3-3 of Fig. 1.
Referrin to the drawing the numeral 5 indicates t e base portion, 6 the attaching screw, 7 the curved arm and 8 the insulating spool mounted thereon. The base portion is of disk like formand is provided with diametrically oppositely positioned tangential slots 9 to receive nails or screws (not shown) which are driven into the support.
to which the bracket is attached to hold said bracket in its adjusted position and prevent the turning thereof. The arm which is of goose neck form, projects outwardly from the base portion and is then curved downwardly and upwardly in a half curve as indicated by the numeral 10 and its upper insulator holder portion 11 projects vertically in a straight line and terminates at a point above the upper edge of the base. The insulating spool 8 ibefore mentioned is mounted-on the vertically extending portion and rests upon an annular shouldelr 12 formed on the arm. The upper end portion of the arm immediately above the spool is provided with a transversely extending opening 13 through which extends a locking pin 14,' preferably formed of copper wire,
which has its opposite end portions bent around the arm and securely llocks the spool on the arm. As the pin may be easily straightened and pulled out of the opening the spool may be quickly replaced in the event of breaking. The insulating spool is preferably formed of glass, porcelain or other like material and is provided with grooved and fianged portions 8 to better protect the wires (not shown) connected to the spool and to more easily shed water.
Theattaching screw 6 of the bracket is formed of steel and is connected to the bracket by casting the bracket around the outer end or elongated head of the screw during the course of manufacture, the outer end portion of the screw being provided with annular grooves 14 into which the metal of the bracket flows in casting and forms an intimate union between the two parts so that the parts are practically integral.
It will be noted that the base is comparatively of large diameter. This large diameter forms a large bearing surface against the support and serves as a brace to prevent the sagging ory tilting downwardly of the bracket.
By having the attaching screw form part of the bracket the bracket may be easily screwed into a support without the use of tools and the large bearing surface of the base serves to prevent the bracket from accidentally unscrewing 4 from the support.
Furthermore the tangential slots provide a means for positively locking the bracket'to the support when desired.
From the foregoing descri tion it will be seen that the insulator bracet is of very simple construction and is well adapted for the purpose desired.
What I claim as my invention is: An insulator bracket, oomprisinga comparatively large base member, a threaded member around one end portion of which the base member has been formed-by castin to permit attachment to a support, said ase member also having a downwardly and upwardly extending arm with itsA upper end portion extendingr in a straight line atv approximately right angles to the threaded means, the lower end portion of the straight part having an inte ral supporting shoulder.v
orm
ed thereon an the upper end of the arm provided with a` transverse opening, an insulating spool havin a bore through which the straight portion of the arm extends to permit the spool to rest directly upon the shoulder, and a wire pin extending through the transverse opening of the arm and having its end portions bent around the arm to lock the pm to the arm and the spool between the shoulder and the pin.
In testimony whereof, I aix my signature, in presence of two 5witnesses.
WILLIAM D; KYLE;
Witnesses:
G. J. LnMoNr, R. M. S
US1311977D Insttlatob-bbacket Expired - Lifetime US1311977A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501921A (en) * 1947-01-31 1950-03-28 Anthony B Supject Insulator mounting for current carrying wires

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501921A (en) * 1947-01-31 1950-03-28 Anthony B Supject Insulator mounting for current carrying wires

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