US1099374A - Insulator. - Google Patents

Description

I. HUNTER.

INSULATOB'.

APPLICATION FILED 116.18, 1913.

1,099,374. 5 1 Patented June 9,19m

UNITED STATES PATENT OFFICE.

IRA. HUNTER, OF CARLISLE, KENTUCKY, ASSIGNOR 0F TWO-TI-IIBDS TO GEORGE C. RAFFERTY AND ONE-THIRD TO LESLIE WELLS, BOTH 0F GARLISLE, KENTUCKY.

INSULATOR.

To all whom it may concern:

Be it known that I, IRA HUNTER, a citizen of the United States, residing at Carlisle, in the county of Nicholas and State of Kentucky, have invented certain new and useful Improvements in Insulators; and I do declare the following to be a full; clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in insulators.

One object of the invention is to provide an insulator for line wires adapted to be applied to a cross-arm or other support and to securely fasten a wire thereto.

Another object is to provide an insulator of this character which will be simple, strong, durable and inexpensive in construction, efficient and reliable in operation and which may be quickly and easily applied to a support and to the wire.

WVith these and other objects in view, the invention consists of certain novel features of construction, and the combination and arrangement of parts as will be more fully described and claimed.

In the accompanying drawings: Figure 1 is a plan view of a portion of a cross-arm or similar support showing my improved insulator applied thereto and in position for securing a wire; Fig. 2 is a side view of the cross-arm or support and an end view of the insulator as shown in Fig. 1; Fig. 3 is a cross sectional view thereof taken on the line 33 of Fig. 1; Fig. 4 is a view similar to Fig. 3 illustrating the manner in which the wire is applied to the insulator after the latter is in place in the cross-arm; Fig. 5 is a detail perspective view of one of the members of the insulator.

My improved insulator comprises a cylindrical body formed in two sections 1 and 2 each of which has formed on its outer end a head 3 which may be of any desired shape and which is here shown as being substantially of semi-oval form. The inner ends of the heads form abrupt shoulders t which when the sections of the insulator are applied to a cross-arm or other support engage the outer sides thereof. In the section 1 of the insulator is formed a longitudinally extending groove or channel 5, disposed in a tangential plane a similar groove or channel 6 being formed in the section 2. These Specification of Letters Patent.

Application filed August 18, 1913.

Patented June 9, 1914. Serial No. 785,409.

grooves are arranged at slightly different positions in the two sections so that when the latter are turned in their supports the inner ends of the grooves or channels may be brought into alinement to form a continuous passage through which the line wire L is passed when applied to the insulator and as is clearly illustrated in Fig. 3 of the drawings. Also formed in the insulator l is an eccentrically disposed longitudinal passage 7 a corresponding passage 8 being formed in the section 2. The passages 7 and 8 of the sections 1 and 2 of the insulator are adapted to be brought into register when the sections of the insulator have been turned to inclose the line wire in the grooves 5 and 6 and when said passages 7 and 8 are thus brought into register a binding or fastening wire 9 is inserted therethrough and the ends of the wire 9 which project beyond the ends or heads of the sections are coiled or twisted around the line wire L adjacent to the ends of the heads 3 and as is clearly indicated in Figs. 1 and 2 of the drawings. When the wire 9 is thus inserted through the alined passages 7 and 8 in the sections of the insulator said sections are locked against independent rotary movement and are thus held in position to fasten the line wire thereto.

In applying the insulator the cross-arm or other support S has formed therethrough a bore or passage corresponding in diam eter to the diameter of the body of the insulator and in one side of the cross-arm or support Sand extending in line with the center of the passage therethrough is a transverse slot 10 which communicates with the passage through the support. The sections 1 and 2 of the insulator are inserted into the opposite ends of the passage through the support until the shoulders 4 of the heads 3 come into engagement with the outer sides of the support as shown. The sections of the insulator are now turned in the passage until the outer edges of the grooves or channels 5 and 6 are in alinement and register with the slot 10 as clearly shown in F ig, 4 of the drawings. The line wire is now passed through the slot 10 and into the alined outer portions of the grooves 5 and 6 after which the sections of the insulator are again turned in the proper direction to bring the inner portions of the grooves into alinement thus inclosing the line wire in or between the inner ends of said grooves as clearly shown in Fig. 3 of the drawings. This movement of the sections of the insulater will bring the passages 7 and 8 therein into alinement and through the alined passages 7 and 8 is inserted the fastening wire 9. The wire 9 when thus inserted through the passages 7 and 8 lock the sections of the insulator against turning and in operative en agement with the line wire as hereinbefore described. The ends of the fastening wire 9 are then brought up and coiled or twisted around the line wire at the ends of the insulator thus securing the fastening wire in position as well as holding the sections of the insulator against longitudinal movement and in operative engagement with the cross-arm or support S.

From the foregoing description, taken in connection with the accompanying drawings, the construction and operation of the invention will be readily understood without requiring a more extended explanation.

Various changes in the form, proportion and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of the claimed invention.

Having thus described my invention, what I claim is:

1. An insulator comprising a body formed in transverse sections, each of which has a longitudinal tangentially disposed groove and a longitudinal passage therein, the .grooves in said sections being disposed in different positions, so that when one of said sections is turned a predetermined distance, the inner portions of the grooves of the two sections will be brought into longitudinal alinement, the outer portions thereof disposed out of alinement, and said passages brought into alinement to receive a fastening wire.

2. An insulator comprising a sectional body portion having lateral shoulders on the outer ends of said sections, said sections being similarly constructed with tangentially disposed longitudinal grooves formed therein and eccentric passages extending therethrough whereby when the sections are alined and turned a predetermined distance in one direction, the outer portions of the grooves of the two sections are brought into alinement and on further turning of the sections, the outer portions of the grooves will be thrown out of alinement and the inner portions brought into alinement to form a continuous passage for a line wire, and when said sections are turned to bring the inner portions of the grooves into alinement, the

passages in said sections will aline to receive a fastening wire.

3. The combination with a support having a passage extending therethrough and a slot opening through one side of the support and communicating with said passage, of an insulator comprising a cylindrical body portion formed in transverse sections and adapted to be inserted and turned in the passage of said support, said sections having longitudinally extending tangential grooves therein and eccentrically arranged longitudinal passages, said grooves being positioned in said sections to provide for the alining of their outer portions when one of the sections is turned a predetermined distance and the alinement of the inner portion of said grooves when the section is turned further, whereby when the outer portions of the grooves are alined they are disposed to reg-- ister with the slot in the support to receive a line wire, the alining of the inner portions of said grooves being efl'ected when the outer portion of the groove of one of the sections is turned sufliciently to remove the groove from registration with the slot in the support, the passages in said sections being brought into alinement when the inner portions of the grooves register.

4. The combination with a support having a passage extending therethrough, a slot opening through one side wall of the passage, of an insulator comprising a cylindrical body formed in transverse sections and adapted to be inserted and turned in the passage in said support, said sections having longitudinally extending tangential grooves and eccentrically arranged passages therein, the grooves and passages in said sections being similarly arranged so that when the inner ends of the sections are brought together or alined, the outer portions of the grooves of the two sections will register and the inner portions be opposite from each other, the turning of one section a predetermined distance serving to bring the inner portions of the grooves into alinement and to throw the outer portions thereof out of alinement, the passages in said sections being so disposed that the turning of the sections to bring the inner portions of the grooves thereof into alinement will cause said passages to register and aline.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

IRA HUNTER. "Witnesses:

JNo. F. Sues, Jxo. A. VVEsTrALL.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Eatents, Washington, D. C.

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