US1398478A - Tie-plate rail-anchor - Google Patents

Description

E. L. VAN DRESAR.

n TIE PLATE RAIL ANCHOR.

APPLICATION FILED JuLY 21.1921.

1,898,478, Patented NOV. 29, 1921.

' greatestk travel.

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fraias ELMER L. 'VAN DRESAR, OF ST. PAUL, MINNESOTA.

TIE-*PLATE RAIL-ANCHOR. Y

LSQSfl'YS. i Specification of Application med :muy 27,

To all 'whom t ma/g/ concern v Be it known that I, ELMER L. VAN DRESAR, a citizenof the United States, residing at St. Paul, in the county of Ramsey and State of Minnesota, haveinvented cer# tain new and useful Improvements in Tie-` Plate Rail-Anchors, of which the following is a specification. v i

This invention relates to rail anchors for anchoring railway rails to the'tie, to prevent the rails from creepingas on one way railway tracks, or generally, in the direction of More particularly, the invention relates to that type of rail anchors designed to grip the base of the rail and be secured to the tie, an object of the invention being the provision of a simple,`efl"ective rail gripping device, cheap ofmanufacture, and capable ofk being secured to a tie, and consisting solely of duplicate unitary members having intertting `wedge surfaces, which coact when brought into frictional engagement to rmly grip the baseof the rail. Bythe use of duplicatemembers, a single pattern is required, thereby ysimplifying the process of i manufacture and effecting great economy in distribution for use, as well as vavoiding a confusion among those entrusted with its application to the track.

The tendency of the track to move in ay `succession of waves under rolling loads is well known and is a condition which musty be cared for in any device intended to control creeping of rails.

A further object of the invention, is the provision of a two member rail anchor the members thereof being provided with means for frictionally gripping the base of the rail, and arranged to extend transversely, side by side,-between the base of the rail and the tie, and beyond opposite edges of the base, so that spike holes in said members may be placed immediately adjacent said edges, whereby the base of therail and saidj members may 'be directly spiked, in superposed relation to the tie. An important advantage is gained by thus having the spikes in direct contact with the rail, causing the rail to loosen said spikes as much as may be necessary to accommodate wave movement of the track instead of throwing 29, 1921,. 1921. Serial No. 487,879. 1 i this function on the anchor spikingdown the transverse section alone, which would* throw all pulling stress on the anchor members, thus tending to loosenthem and destroy their gripping eiiiciency.v Obviously,`

the leverage will increase as the distance between the-spike and the rail.`

Another obj ect of the invention is the proco i vision of any antirreeper, formed like a tie plate so as to function as such, the platew being split centrally into two parts, the; split at right angles to the rail, each part carrying "an integral jaw iittingover dif rectlyoppositepartsof the inclinedflat upper sides ofthe base of the rail, each Ajaw adapted to be hammer drivenfso as to slide up said inclined side until hammer tight, whereby the railbase is wedgingly gripped at its inclined sides., i e 1y The accompanying drawings illustrate a rail anchor embodying the, invention.

Figure l is a plan view of a fragment of rail and tie, showing the improvedrail ani chor in its applied position, one spike `only being shown. e f

Fig. Y2 is a side view of same. Fig. 3 isa vertical sectional view on line 3-3 oflig. l, and Fig. a is a perspective view of one of the y component anchor members.

In the drawings A designates the tie, and B the rail. Thev rail is formedwith the usual base, having a flat under surface and inwardly inclined upper sides l, joined centrally, with generous sized fillets 2,to`the web 8. The anchor comprises the foregoing, two interlocking members which are exact counterparts of each other,

each consisting of an elongated rectangular flat plate a, spaced spike holes 5, arranged to receive the base of the raily betweenthem, so that the lip 6 of the spike will extend over and engage the edge of the base.

l Adjacent the ends of the plate and extending approximately tov the longitudinal'center thereof, is the undercut lug 7, the inner edge 8 thereof being parallel with the rail and extending to a point adjacentthe base of the fillet 2. This inner edge is under cut' to f orm an upper jaw member 9, which, in

congunction with that part of thetop` of the as stated, in

having adjacent itsl long edge,

lagainst variations in rails of `the same fiat andf so inclined as to flatly engage the inclined upper-surface 1 of theiba-se: This face may be roughened, as by lserrations, or

teeth,lto obtain a more powerful frictionalV engagement, in special cases, where an ex-,A At the Y cess-ive rail wave movement exists. juncture of the plate and upper jawqmember, the latter is cut awav at 11, the` cut extending longitud theaw, l portion of the top ofthe rail base, said cut constituting a clearance space or easement, to clear imperfections along the edge of the base and afford room for hammer driving the V-shaped jaw into position. f

It will benoticedV that the gripping power of the jaw 9 is applied vertically to thev base ofthe rail only and that no lateral or side contact with the rail is permitted at 11. An

openingor clearance is intended to be main-x Ytained here at all times to permit of take up Iin, tightening the anchor and to guard weight Tvand sections.v

As shown best in-Fig. 1, the undercut lug l 7 extends beyond the plate 4 Vand'overlaps the corresponding plate ofthe adjacent anchor member C, the extending portion of the lug constituting `a wedge 12- directed outwardly longitudinally of the rail, and inclined slightly from the vertical 4toward the rail. Above the'plate, and extending outwardly beyond theV wedge 12 to form an olfset 13, the lug is formed with a driving faceor anvil 14, whereby the initial ancliorm'eni-l ber may `be driven into position' without danger of bruising the wedge. The lug is suitably ribbed to4 afford` ample strength and conserve metal.

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i Located opposite the lug 7, and formed with an inclined bearing surface 15, adapted to slidingly engage with the wedge k12 of the adjacent anchor member, is the driving lug 16, the bearingsurfaces of thetwo lugs, when `the anchor members are assembled, forming a dove tail slideway whereby to ef-l fect alpositive sliding engagement between the two .assembledA anchor members, along a line somewhat diagonal with respect to the longitudinal axis of the rail;

In the application of the anchor to the rail, one of the units is placedunder the rail, and driven into position` by hammer blows directed to the driving face 14. The

mating anchormember is now placed into sliding engagementk with-thel previouslyY positioned member, and both simultaneously driven toward each other by hammer blows onthe driving lug 16, until the two members appear to no longer yield to hammer blows, or, in other words, are hammer tight. Orcinary railway spikes are now driven through inally the full width ofV and laterally over a relatively small creeper prevents creeping in either direction, thereby avoiding the necessity of a Y double equipment on'singie tracks or tracks used for traffic in both directions.V By making'. the angularity `of the wedges 12 as shown at a in Fig. l, less in degree than the angle between the surface '1 of the base of the rail, and the rail seat the V-shaped-jaws V Further, by constructingk the anchor' in the form of a tie plate, each anchor repre-' are driven with greatforce against the'base.

sents a saving of oneordinary tie plate,thus,

further greatly reducing-the construction. Y

Iclaimz' "l l. A rail anchor cost'of railway for railway rails, comprising relatively movable ymembers each 'i adapted to grip one side of a rail baseand having a part extending underneath the rail` 'base tov and beyond the other side thereof, the extending part yof one member having positive slidable connection with the extend- `ing part of the other memberbeyon'd the rail, said sliding connection being disposed at an angle `relative to thelongitudinal axis of the rail, and openings in the anchor members Vadaptedv to receive, so that they will" slide vertically therein, the Shanks of spikes provided for holding the rail to the tie.

2. A'rail anchor for railway rails,"com Y prising two' anchor members, arranged sideV by side, one member being acounterpart of the other, each member consisting of jan elongated tie plate, havinga central transverse portion constituting a rail seat, a

wedge at one end of the plate extending laterally beyond the side thereof, a lug having a bearing sur-face at the opposite end ofthe plate, said'wedge and bearing surface being symmetrically arranged relative to said rail [seat so that they willslidingly engage, Vre- Y spectively,the bearing surface and wedge of the adjacent.counterpart member, said bearing surfaces being inclined toform a doveagonal relative to the longitudinal axis of said, rail sea-t', `rail gripping means on -each l anchor member adapted to grip the' rail i'esponsive to a sliding movement of'thelsaid lanchor members toward each other, 4and spike holes in each anchor member immediately adjacent therail seat.

ytail slideway directed in a line which *is d ilongitudinally ofthe tie, so *thatjone part portion of said plate .extending transversely .of the tie constituting a seat for'the rail, in'- Vmay be moved'toward the other, the central structed so as to'` positively and slidably connect the latter so that'they Will slide along a line which is diagonal with respect to said rail seat, a rail gripping jaw member on each plate part, the tWo jaw members being directed toward each other and adapted to frictionally engage the upper inclined surface of the rail, responsive to a sliding movement of said plate parts, and spike holes in the plate part-s located so that spikes'passed 10 through said holes will grip the rail base.

In testimony whereof l affix my signature.

ELMER L. VAN DRESAR. n

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