US1001921A

US1001921A - Tie-plate.

Info

Publication number: US1001921A
Application number: US56173910A
Authority: US
Inventors: Edwin H Bell
Original assignee: Individual
Current assignee: Individual
Priority date: 1910-05-16
Filing date: 1910-05-16
Publication date: 1911-08-29
Anticipated expiration: 1928-08-29

Description

E. H. BELL TIE PLATE.

APPLICATION FILED MAY 16, 1910.

1,001,921 Pdtented Aug. 29, 1911.

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TIE PLATE.

APPLIOATION FILED MAY 16. 1910.

1,001,921 Patented Aug. 29, 1911.

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TIE PLATE.

APPLICATION FILED MAY 16, 1910.

Patented Aug. 29, 1911.

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EDWIN H. BELL, OF CHICAGO, ILLINOIS.

. TIE-PLATE.

To all whom it may concern:

Be it known that I, EDWIN I-I. BELL, a citizen of the United States, and a resident of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Tie-Plates; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invention relates to improvements in tie plates adapted to rest on wooden railway ties beneath the rails and to be used in connection with shouldered lag screws or screw spikes.

The invention consists of the matters hereinafter described and more particularly pointed out in the appended claims.

In the use of screw-threaded spikes the longitudinal wave motion communicated to the rails by the advancing train, tends to draw the spikes a short distance out of the tie. In the case of the ordinary spike, this movement of the rail does actually withdraw the spike a short distance so as to raise the spike heads above the rail flange which permits the rail to respond to this movement. In the case of the screw spike, however, this wave motion, as it cannot withdraw the spike on account of its screwthreaded attachment to the tie, tends to turn back the head of the spike, or to rotate it about a horizontal axis.

The object of. the present invention is to provide a construction of tie plate and a washer interposed between the tie plate and screw head to prevent the said movement of the spike head about a horizontal axis away from the rail flange and to prevent the washer from rotating about a vertical axis.

In carrying out my invention I provide a tie plate having longitudinal ribs on its upper surface and a rail abutting shoulder or shoulders and a washer underlying the spike head and having locking engagement with the upper surface of the tie plate to prevent its rotation about a horizontal axis and locking engagement against the rail flange to prevent its rotation about a vertical axis.

In the drawings :Figure 1 is a perspective view of a tie plate. Fig. 2 is a vertical section through a tie plate such as is shown in Fig. 1 located on a tie below the rail and Specification of Letters Patent.

Application filed May 18, 1910.

Patented Aug. 29, 1911.

Serial No. 561,739.

secured in place by means of screw spikes. Fig. 3 is a perspective view of a washer which underlies the shouldered head of the spike and rests on the tie plate. Fig. 4 is a cross-section through Fig. 2 on the line H thereof. Fig. 5 is a vertical section through F ig. 4: on the line 5-5 thereof. Fig. 6 is a perspective view of a tie plate provided with a single rail abutting shoulder. Fig. 7 is a perspective view of a tie plate with the rail' abutting shoulders arranged in a different manner. Fig. 8 is a longitudinal section of the tie plate shown in Fig. 7, the tie plate being in this case anchored to the tie and underlying the rail. Fig. 9 is a cross-section through Fig. 8 on the line 99 thereof. Fig. 10 is a perspective view of the type of washer adapted to be used with the tie plate shown in Fig. 7

In the drawings, A indicates the rail, B, the rail base flange, and G, the tie.

D is the tie plate and E indicates the lag screws by means of which the tie plate and rail ,are anchored to the tie. The lower face of the tie plate D is flat while its upper face is provided with rounded, longitudinal, parallel ribs D at each side of which are located parallel, longitudinal grooves D In that form of plate illustrated in Figs. 1 to 5, there are provided near one end of the plate two rail abutting shoulders F, F which project upwardly from the adjacent central ribs D D and have vertical, rail abutting faces f, f. G, G are holes formed through the plate centrally of the outer ribs, at each side of said shoulders, with their inner curved edges tangential to the vertical faces f of the shoulders F, F. Similar holes G G for screws are provided on the opposite end of the plate. The screw spikes E are provided with shouldered heads 6,

the under sides of which are conical as shown at 6 J is a U-shaped washer which is lnterf posed between the head of the spike and the upper face of the tie plate and which is of such thickness that when in place its upper face will be in substantially the same plane as the top surface of the outer margin of the rail base flange. The washer J is pro vided on its upper surface with a conical depression j adapted to receive the under.

conical face 6 of the shouldered head 0 of the screw. The under surface of said washer is provided with a transversely curved recess to fit the top of the rib ing the construction of the other parts of 1 of the rail flange lnterposed between the D and with parallel ribs j adapted to engage in the grooves D on each side of said rib. The outer, longitudinal edges 0f the washer are curved in vertical section to fit the rounded surface of the shoulder F adjacent the groove D The free ends J of the washer are squared OE and are adapted, when in place, to abut against the edge of the rail flange and lock the washer against rotation about its vertical axis. The shape of its under surface, which conforms to the top face of the tie plate, together with the edge, which engages the rounded surface of the shoulder F, locks the washer against all movement about its horizontal axis.

The two shoulders F, F may be replaced by a single shoulder F, as indicated on the plate illustrated in Fig. 6, without changthe device.

In Figs. 7 to 10, is shown a construction 3 in which the rail-abutting shoulders F*, F project upwardly from the outer longitudinal ribs D D A single opening G for the spike is, in this case, located midway between the two shoulders, with its inner edge tangential to the vertical faces f of said shoulders, as before. The groove D separating the middle ribs, is not continued beyond the screw hole G there being but a single wide rib D at that point. The U-shaped washer K is provided on its upper surface with a depression is adapted to flt the underside of the shouldered head of the spike and on its under surface with a flattened face k to fit the upper face of the rib D The curved longitudinal edges 76 of the washer engage the opposing, rounded edges of the shoulders F and the ribs 70 engage the grooves D beyond said shoulders. The spikes on the opposite sides of the rail are provided with washers K which are in every way similar to those above described, but in the examples illustrated, where the rail-abutting shoulders are omitted on that side of the rail, said washers engage the ribs and grooves in the tie plate only. If desired, the rail-abutting shoulders may be provided on both sides of the rail.

I claim as my invention:

1. In combination with a rail, a tie-plate provided with a rail-abutting shoulder, a screw-threaded spike abutting against the rail flange and located adjacent the railabutting shoulder, said spike being provided with a shouldered head adapted to anchor said rail and tie-plate, a washer of substantially the thickness of the margin of the rail flange interposed between the shouldered head of said spike and the tie-plate, said washer forming a seat for said shouldered spike-head exterior to the rail flange and being provided with means having engagement with said tie-plate and with means having lateral engagement with said rail-abutting shoulder.

2. In combination with a rail, a tie-plate provided with a rail-abutting shoulder, a screw-threaded spike abutting against the rail flange and located adjacent the railabutting shoulder, said spike being provided with a shouldered head adapted to anchor said rail and tie-plate, a U-shaped washer of substantially the thickness of the margin shouldered head of said spike and the tieplate with its free ends engaged against the rail flange and forming a seat for said shouldered spike-head exterior to the rail flange, said washer being adapted for engagement with the upper surface of said tieplate, and having a lateral edge adapted for engagement with said rail-abutting shoulder.

3. In combination with a rail, a tie-plate provided in its upper surface with longitudinal ribs and grooves and with a railabutting shoulder, a screw-threaded spike abutting against the rail flange and located adjacent the rail-abutting shoulder, said spike being provided with a shouldered head adapted to anchor said rail and tie-plate, a. U-shaped washer forming a seat for said shouldered head exterior to the rail flange with its free ends abutting against said rail flange, said washer being recessed on its upper face to receive the shouldered head of said spike and having its lower face conformed to fit the ribbed and grooved upper face of the tie-plate, and said washer having vertically curved edges adapted to engage laterally against said rail-abutting shoulder.

In testimony, that I claim the foregoing as my invention I affix my signature in the presence of two witnesses, this 11th day of May, A. D. 1910.

EDWIN H. BELL. l/Vitnesses:

CLARENCE E. MEHLHOPE, GEORGE R. l/VILKINS.

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