US1806094A - Rail and tie plate - Google Patents

Description

y 1931- F. c. STOWELL 1,806,094

RAIL AND TIE PLATE I Original Filed May 21, 1928 2 Sheets-Sheet 1 0 $5 f//%// //////////////////y//m May 19, 1931. F. c. STOWELL 1,806,094

RAIL AND TIE PLATE Original Filed May 21, 1928 2 Sheets-Sheet 2 fltl ellior Frazaltlfiamell Patented May 19, 1931 V, I i' a UNITED STATES PATENT OFFICE" I l FRANZ c. srownnn, or meme, MAssAcn snrrs I" M11 ANVDFTIELPLATE l i Application filed May 21, 1928, Serial Nag 79,237. Renewed October 10, 1930.. I I

My invention relates to the prevention of nisms illustrated in the accompanying draw-' longitudinal creeping of the rails over the ties ingsin which: of a railroad track and holding track to Fig.1 is at-ransverse section of the rail and 1 gauge To the former feature I shall prinplate. 1 1i cipally direct my discussion but do not wish Fig. 2 a fragmentary longitudinal section 55 to be considered as limiting myself thereby, of the same. as my rail andmy tie plate are both adapt- 1 Fig. 8 is a plan view of a typioaltie plate. able to 'all other functions of rails and tie Fig. 4 is a transverse section of a modified plates in railroad track. form of plate.

Up tothe present the metal rails for a rail Fig. 5 a fragmentary section of a railbase 60 road track have been rolled wit-lithe lower in accordance with Fig. 1. side of the base a flat smooth surface, all parts Fig. 6a bottom face view of such arail. of which lie within a single plane. Such sur- 7 Fig. :7 is a similar view of amodified form. face resting upon the railroad ties or tie Fig. '8 a transverse section similar to Fig.

plates, oifers only a slight frictional resist- 1, but or amodified form.

ance to the well known tendency of the rails Fig. .9 an edge view of a key such as shown to creep longitudinally, generally inone (ii in Figf 8. a a

'rection, butsometimes in periodic alterna- Fig. 10.is a longitudinal vertical section tion from various causes I I p through the rails, key, and tie plate.

At present, to check this creeping, various 'While the interlocking of'the rails with.

forms of, so-called rail anchors or anti-creepthe tie plates and interlocking key may, in ers are fastened to the rails, usually four or virtue of the weight of the rails and their six to each rail length, and which byproload,.be .elfected by any suitable arrangetrusionbelow the rail base, contact with the ment of 'reentrant or protruding faces or ties in the ballast. These rail anchors engage parts asbetween the base of the rail and the the rail through, spring orv wedge grips, or top of the tie plates', I illustrate only a few v askew gripping ofthe rail base from unbalforms which I think best adapted to use. anced pressure against the ties. The pres- Ihave indicated'in-Fig. '1 a corrugated 1on sure on the tie is always of one anchor only gitudinal groove a rolled inthe base of rail atone Orotherend of the tie. These anchors A, which may be continuous the wholerail retard rail movement only in one direction lengthor intermittent, but if intermittent and hang useless in the event of any backing shouldbe sospaced as to engage with the tie 1 or reverse movement of the rail as is not un plates. 1 I have indicated atC a common form common. They bruise the wood and tend of shoulder tie'plate but in which a narrow to skewthe ties from the unbalanced pressure recess 0 is rolled. For such I provide a 35 at one end. Naturally some break or become double locking auxiliary key B rolled with loose and fall off. Their efficiency is limited. protruding top notches or projections b to To prevent rail creeping I have devised a' mesh with corresponding reentrant faces in new form of railroad track rail, and tie plate, the groove a of the rail A.

providing for interengagernent which pre- Referring to Fig.2 whichis a longitudinal vents the rails from moving longitudinally cross section of the rail, locking key and in either direction, and maintains more unitie plate C, it will be observed that as therein formly gauge and the original spacing beshown the tie plate recess 6 extendsonly in tween the rail ends at the joints; "My new part across the tie plate and inconsequence rail as contemplated by my inventionalso relocking key .13 is held in place against longisults in a more'uniform distribution of the i tudinal rail thrusts. Such structuremay ob;

metal in base, web and head and thus makes viously be varied. The plate recess 6 as possible a more uniform cooling which is shown is slightlylonger thanlthelooking key beneficial in manufacturing. B to allow it a limited longitudinal move 50 The objects may be attained by the mechament to facilitate the full meshing of the n etchesinrelaying a new rail upon previously spiked plates on the ties.

The locking key B shown in Figs. 1 and 2 and resting in the plate recess 6 is an arrangement by which the tie plate C without the key B could if desired be used in connection with the present fiat base rail. It would present a plain top surface with the exception 017-1 of shorter length.

of the recess 1;, whichhowever is -not in itself an uncommon form of tie plate astherecess is often formed to lighten the plate.w i -c i.

Recess 6 could be rolled of course continuously across plate B andlockingkey '13 made with deflected ends, which contacting with the edge of tie plate would restrain key B longitudinally weffectedyby: slight longitudinalghand adiustment one way or the othe'nlof. the platesionrthei ties; as, necessary; 1 In: the event of xrelaying a new; rail} ,Ofrthel same. type on the old :tie plates remainingrspiked in, the original fixed Wposition upon the ties, .therails being. bolted getheravith a predetermined and fixed spacing at the rail ends, the corrugationsjli thez-i railebilserwould not-necessarily riully mesh h t corrugations ineeach; individual;

;-plate,. :-.The apexes nightreven contact but the sharp edgesin-montact-are so restnicted;

area that either the weight of the :rail itself-i on,=;the -first rolling load uponuit, would Ida-v.- fleet .the .railinto. full .seat: andmesln thettie plates. This would beeffectedrathen the easier-in case of the}.plates using the locker: ing key B whichprovides:iforreadysmowesz ment longitudinally to;accommodatezthenconditions, Where, the corrugations are:a;zfixed part, ofthe plateritself, the fulhseatingands meshin would be effected by :slight: move-cs. mentof the plate itselfiromsuchslaclmess' asz: isusual-in the spikes-in. the spike holesaioru evenfromtheties in theballastm I |o;iaa 3o Fig. tis a seotionalielevation-of altie plate:

C .showing.-the notched-raised rib 0 as fixed and rolledintegrally with the plate .in conag trast with tieplate .Q-as shown in Figs. 1 ands: 2, wherein the permanent raised notchedzrribi;

= -c .;is replaced byza.;movable'notched 'keyrB.

The contour-and top notching in either case: may be thesame as both are designeditomesh with the reentrantinotches minbase of. rail'Am Thesemeentrant notches amay becpyramni fidal or. 'otherwiseito correspond and fititheir recessesin the rail'fbase. r2413;

This diamond shape'is onlylsu'ggestedlasar form ofconstru'ction.andnnay be replaced by by' Letters Patent is:

,rai'land' of like cross section; 1

any form of tooth and reentrant recess to fit the same. Such forms of elevated tooth or notch on the plate and receiving indentures in the rail base may be used as are most satisfactory to the process of rolling rails and plates and to the lockingof same in service as hereinabove described.

While I have discussed my invention with particular reference to-preventing the longitudinalcreeping of therails in "a railroad track-asthat is a feature'of immediate and pressing neechit will be understood that the principleshere'involved'may be applied to nai-lroad; .track rails and tie plates in other fields where conditions make possible the utilization:of ithe principles involved. Similarly, such modifications and variants, of structure and de's-igi'r'as clearly iiall withiiithe 7 limits of-the a pended 'iilainis" are 'to be ie garded as within absinteneef ni y invntionlt 35 7'As;her'emfore suggested my invention tent-' templates principles which are} entirely 'ciiii sistent with 'establ ished track engineering-as well i as withsteel 'rollitngpractice? Rails rolled in -ac@0rda1 1ee witli my'invenuen are? so structurally more perfect becai-isethe ease groove permitsa p'roportioning ofthihkn'ess inanemetalasbetween b'a-s'e anatvebjef rail so that uniformity in cross section l cooling is made possible. "I assert tliisfeatureas nova- 9a and in itself animpnrtant contributioirtb the' t ,2 rr g- 15 11,; i} 51:;- T: )lc iig -What I thereforecl ainrand'desireto secure 1. ie railway-track rail having a flat iface' base provided with a;recess having plate en gaging transvers'e members ftri-a-ngular' in cross section; a plate "having longitudinah channel; and adocking key confine'd insaid channel -and =having transverse members at terengageable *with-those of the'ra-i-Iand like,sross; section ;.l :1" h. i. .fl l- 1 LL; ill. ,ii, 2. PA railway track rail having-a ,fla t' face basef*reentrantly*--recessed to form plate en gaging transverse membeis triangular in 11o crosssection; 'a plate having' a" lofigitu difial channel; and a locking key adjiistablyIconfined v in f sai d 'channel andha'ving' transverse members interengag'eable with th-dse of the 33A railwaytrack failfh viiiga fiat face base-provided with afreeIitrant groove hav ing plate engaging transverse m mbers; triang'ularin'cifoss section; a plate and'a lock- I .l ,-;c lng key memberthereon and-having transv verse member'siinterengageable ther'ail and of like cross section a 4 Arailway track rail havinga flat'face base provided witha reentrant groove having plate engaging transverse members triangu- 1 lar 'imcross Esection iand'adaptedtoi-interlock1 with azplate? carrying'transverse'members in tere'ngageable with-those oftherail and'o'f like crossxse'ction'. *1

a a, i

5. A railway track rail having a flat face base reentrantly recessed throughout its length in a series of pyramidal pockets adapted to be interlocked to a base plate carrying similarly shaped projections.

' In testimony whereoi I affix my signature.

FRANK C. STOWELL.

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