US1418950A - Curve guardrail fixture for railway tracks - Google Patents

Description

T. MANEY.

. CURVE GUARDRAIL FIXTURE FOR RAILWAY'TRACKS.

APPLICATION FILED DEC 19 1919 1,418,950. I tentedJune 6, 1922.;

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CURVE GUARDRAIL FIXTURE FOR RAILWAYTRA CKSf AFPLICATAION FILED 050.19. 1919.

1,418,950. PatentedJ'une 6, 1922;-

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THOMAS MANEY, OF LOUISVILLE, KENTUCKY.

CURVE GUARDRAIL FIXTURE FOB RAILWAY TRACKS.

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Specification of Letters Patent.

Patented June 6, 1922.

application filed December 19, 1919. Serial Nels 15,928.

To all whom it may concern Be it known. that I, THoMAs MANEY, a citizen of the United States, residing at Louisville, in the county of Jefferson and State of Kentucky, have invented certain new and useful Improvements in Curve Guardrail Fixtures for Railway Tracks, of which the following is a specification.

ivly invention relates to an improvement in curve guard-rail fixtures for railway tracks, and the present invention is an improvement on the disclosure of Letters Patent No. 1,18(3,ei10, granted to me June 6,1916, and in the main its fundamental objects are the same, the present invention, however, being in the interest of better protection and safeguarding against derailment.

Vith these objects in View, it consists in two main features, namely a tie-plate having shoulders at the opposite ends and pro vided with an elongated slot at one end extending longitudinally of the plate, in connection with a casting of predetermined size according to the size of guard-rail used for the support of one edge of the guardrail, and means extending through the casting and the elongated slot in the tie-plate for securing the guard-rail, casting and tie-plate to a tie, the position of such means with relation to said slot varying as the size of the casting.

In the accompanying drawings:

Figure 1 is a transverse section;

Figure 2 is a plan view of the tie-plate showing one of the castings in position thereon;

Figures 3 and 4c are front and rear views respectively of the castings;

Figures and 6 are front and rear views of the castings or toggle-plates between the main and guardrails; and

Figure 7 is a plan view.

The numeral 1 indicates the main-rail, and 2 the guard-rail; 3 is the casting or toggle between rails shown in front and rear views in Figures 5 and 6, in side view in Figure 1, and plan view in Figure 7. This intermediate casting or toggle is a slight modification of the one shown in Figures 2 and 5 of the patent referred to.

A casting-block at (as shown in Figures 1, 2, 3 and 4) is adapted to embrace the outer edge of the guard-rail, and is preferably provided with the overhanging hooks 5. which embrace the upper edge of the guard rail base, and on the under side is provided with a rib 6, adapted to rest against the ad jacent shoulder 7 of the tie-plate 8. The casting t is one of a series of different sizes. and the size used is determined by the width of the guard-rail base. The opposite edge of the main rail base is held against the opposite shoulder 9 of the tie-plate' The casting-block iis provided. with a hole 10 to receive the screw spike or other means 11 by which the casting-block is fastened to the tie. The elongated slot 12 is provided in the tie-plate to provide an opening for the screw-spike 11, regardless of the width of the casting 4, as determined by the width of the guardrail base and the customary spike-hole13 is formed at the opposite end of the tie-plate for the usual spike for the outer edge of the main rail.

On the outer side of the tie-plate, pref erably directly beneath the main rail, a transverse rib 14 is formed for the purpose of preventing any tendency of the tie-plate to slide endwise.

The main tie-plate 8 having the end shoulders, the elongated slot extending longitudinally thereof, and the transverse rib on the bottom, constitute important features of my invention, but in conjunction therewith I regard the casting-block of only slightly less importance. The reason for its use is as follows :-It will be observed that the resultant of the normal forces acting upon the guard-rail, that is the thrust upon the head, taking the direction of the line a.-b, falling within the base of the casting-block 4, and under all normal conditions, there is no tendency for the casting-block 4 to turn about the shoulder T of the tie-plate, which supports it, but since there is a remote possibility of abnormal force being exerted, for instance in a derailed wheel running along the outside of the main rail and exerting a lateral thrust against the side of the main rail, in such an instance the force exerted would be a direct lateral thrust transmitted to the casting-block 41 in the direction of the line 0(Z.

Then, if the screw-spike 11 did not hold, the casting-block i would turn about the shoulder with both rails following it. While this possibility is remote, nevertheless, by the tension of the overhanging hooks 5 on this casting-block 4, any such possibility is pre eluded, as the casting-block 4 would not turn about the plate or shoulder when thus constructed, under any circumstances, and the block will hold its position, and consequently the position of the main rail until it breaks. The hook 5 is, therefore, a factor of safety, which it may be well to use in some instances, although not necessary in others.

In practice, the castings 4 are made of varying sizes to accord with the varying widths of guard-rail used, and upon the determination of the size of the guard-rail the appropriate casting therefor is selected and used with the standard size tie-plate 8.

I claim:

1. The combination with a slotted shouldered tie-plate, of a casting-block having a rib on its lower side in position to engage one of the shoulders, and provided with a bolt-hole through which and the elongated slot in the tie-plate, a screw-spike embracing the guard-rail base is adapted to be received, said castingblock having means for embracing the guardrail base above as well as from beneath. I

2. The combination with a tie-plate having shoulders at opposite ends and provided with an elongated slot extending longitudinally thereof, main and guard-rails, and means for holding them apart, of a castingblock of predetermined size interposed between one of the shoulders and the adjacent edge of the guard-rail base, and provided withmeans for embracing the upper and lower surfaces of the latter, and having a hole therethrough, and a screw-spike adapted to extend through the hole in the casting-block and the elongated slot in the base to permit the screw spike to engage the edge of the guard-rail base, regardless of the THOMAS MANEY.

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