US1678431A - Overhead support - Google Patents

Description

July 24, 1928. 1,678,431

C. M. GOODRICH 3 Sheets-Sheet 1 Jlll'll- T 6 m a v w 1 w s, 1 E D m m h I W H R d w w. w

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July 24, 1.928.

C. M. GOODRICH OVERHEAD SUPPORT Filed Jan. 5, 1 926 3 Sheets-Sheet Jul 24, 1928.

C. M. GOODRICH OVERHEAD SUPPORT Filed Jan. 5, 1926 s Sheets-Sheet July 24, 1928.

" STATES i 1,678,431 rATEiNT; OFF! CHAUNCEY MARSH eoonnrcrr, or WINDSOR, oNrA-Iuo, CANADA.

- OVERHEAD; surrolvn,

Application filed January 5, 1926. Serial N5. 79,362. f

from the insulator pin or ,the pin should break. i i .7 I

A further object is to provide a mounting for the insulator pin which may be adjusted horizontally on the support within predetermined limits. 1

Astill further object is to provide a support of the class described having the novel design, construction and combination of parts hereinafter described and illustrated in the accompanying drawings.

In the drawings: 7

Figure 1 is an elevation of a supporting structure embodying my invention.

Figure 2 is a transverse sectional view through the truss or girder showing the insulator pin mounting.

Figure 3 is an enlarged fragmentary detail elevation showing the attaching means for the insulator pin mounting or block.

Figures 4 and 5 are enlarged detail views showing the end attaching members for the insulator pin block.

Figures 6 and 7 are detail views illustrating a modified construction of insulator pin mounting.

Figures 8 and 9 show a detail sectional view, and side elevation, respectively, of a still further modified form of my invention.

Referring more particularly to the drawings, the numeral 2 designates the poles or uprights of the support which are preferably of triangular cross-section, but may be of any desired cross-section. The poles 2 may be secured to anchor bolts as shown at the left of Figure 1, or may be planted directly in a concrete base as shown at the right of Figure 1, as described. A horizontal truss or girder '3 of triangular cross-section is secured between the poles 2. The triangular poles 2 and truss 3 are composed of sixty degree angle chords 4 and ninety degree standard angle lattice 5.

The top chord of the truss member 3 is terminated short of. the; base or bottom.- chords at eachv end of the. truss, so'that" the bottom chords. only, are connected. to the poles 2 and these connections are made by a single connector soas to provide a. flexible connection which willprevent the transference of momentsfromthe poles 2 and truss 3 to each other in the case of the settling of one pole or some other such cause.v 7

An insulator pinv supportingblock 6 is seof the truss3 by connectors 7 8, and 9 at' substantially the center of the truss.

The connector 7 is bent in substantially an inverted M-shape with its center or apex 10 adapted to rest on the top chord of the cured in spaced relation: above. the top chordtruss 3. The sides of the member'7' areicut' away to clear the rivet 'holdiiig'the lacing. The connector 8 is bent in'substantia-lly an inverted M shape with its center or'afpex 11 adapted to fit over the top chord of the truss and held'in place by a rivet or bolt 12. i

The center of the block 6 is supported by individual angle supports or connectors 9 at each side which are riveted or bolted to lacing members 13.

The top chord of the truss 3 is provided with a bolt or rivet hole 14 between the points of connect-ion of the connector members 7 and 9, so that if desired the block v6 may be shifted to the right by simply chang ing the center supports 9 to the right side of the .lacin members 13 and thus moving the righthand over the apex 15 of the next set of lacing. The connectors 7 and 8 will then be interchanged end for end of the block and the connector 8 secured to the top chord by a bolt or rivet passed through the hole 14, while the connector 7 will be mounted over the apex 15 of the lacing.

An insulator pin 17 having a reduced and threaded shank portion 18 and a flange or shoulder 19 above said shank, is adapted to have its shank portion inserted through a hole or aperture 20 in the block 6 and to be secured in place by a nut 21. Suitable washers or shims 22 are shown between the shoulder 19 and block 6 and the number of shims mounting shown in Figures 6 and 7, consists end of the block 6 into position tially triangular cross-section and having a of a pair of vertical connectors 9 and a transverse angle support 6 having a hole 2O therein to receive the stem or shank 18 of the pin 17. The insulator pin 17 may be adjusted vertically by Varying the number of the shims 22 as in the first described form.

The blocks 6 maybe composed of wood, either impregnated or plain, or other insulating material.

By making the blocks of wood or other insulating material,'in case the messenger cable should become loosened from the insulator pin, or the pin should break, the cable will rest on the-insulating support and not contact with the metal structure.

' While I have shown and described certain specific embodiments of my invention, it will bev understood that I do not wish to be. limited thereto, since various modifications may be made without departing from the scope of my invention, as defined in the appended claims.

I claim electric railways comprising the combination with a pair of spaced vertical metal supports and a horizontal metal truss member extendlng between and secured to said sup ports, said truss member being or" substansingle inverted V-shaped top chord of a plurality of connector bracket-s secured to and projecting above said top chord, and an elongated impregnated wooden insulator blocksecured to said brackets and extending in a plane parallel with and entirely above said top chord.

2. A- support forthe overhead system of electric railways comprising the combination with a pair of spaced vertical metal supports and a horizontal metal truss member extendingbetween and secured to said supports, said-truss member being of substantially triangular cross-section and having a single inverted V-sha-ped top chord of a plurality of substantially M-shaped connector brackets having their inverted V-shaped center portions fitted over andflsecured to said top chord member and having their side portions projecting upwardly materially above said top chord member, said side portions being parallel for at least a portion of their length, and an elongated insulator block secured between the parallel side portions of said connector brackets and extending in a plane parallel with andentirel above said top chord.

In testimony whereof, I have hereunto signed my name.

CHAUNCEY MARSH GOODBICH.

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