US1521581A - Track construction - Google Patents

Description

l R. H. PHILLIPS TRACK CONSTRUCTION Filed May 12, 1923 2 Sheets-Sheet l 1,521,581 .R. H. PHILLIPS TRACK CONSTRUCTION Dec. 3o, 1.924.

Patented Dec. 30, i924.

isaiasi ,l

nonna-T H. PHInLIPs, or KENSINGTON, MARYLAND.

TRACK CONSTRUCTION.

l Application mea May i2, was;Y serialNo. 638,519.

To all whom t may concern.'

Be it known that I, ROBERT H. PHILLIPS, a citizen of the United States, and a resident of Kensington, in the county of Montgomery and State of Maryland, have invented certain new and useful Improvements in Track Constructions, of which the following is aspecilication.

This invention relates to certain new and useful improvements in track construction for steam and electric railways of the open track or slotted conduit type.

The fundamental purposes of the invention is` to effect material saving in the replacement and up-keep costs of both the rolling stock and the track by designing the latter in a novel manner to eliminate or reduce to a minimum the noise, wear and pounding action incident to the passage of the rolling stockv thereover.

An equally important purposefof" the invention is to reduce the cost of `installing the track by designing the component parts in a novel manner to facilitate production and assembly thereof. Y t

A more specific purpose of the invention is toprovide an improved supporting yoke `or beam presenting rail mounting portions bridging spaced points of support and pos'- sessing sutlicient inherent elasticity to provide for a slight exion or yielding thereof between said supports'when subjected to the weight of the rolling stock passing over the track rails. Y y p l A 'further specific purpose of the inven# tion is to provide a resilient supporting bed for the yokes designed to provide fora slight bodily movementof the latter in such manner as to effect furthercushioning of the track rails.

Other objects and advantages of the invention not specifically stated above will become apparent from they following detailed description and accompanying' drawings illustrating what I now consider to be the preferred embodiment of the principles involved. Y

In the drawings:

Fig. l is a transverse sectional view of a railway constructedin accordance with my invention, the slotted conduit rail supporting yokes and certain other elements being shown in side elevation. V

VF ig. 2 is a view vin side elevation clearly illustrating the relative position of the yokes, the yoke supporting stringers and the supporting plates underlying said stringers.

Fig. 3 is a proved yoke; y 'Fig.- t is a plan view of the yoke and Stringer construction disclosed in 'Figsl l and 2. Fig. 5 is a view similar to.` Fig. l, but illustrating the' principlesof the invention, as applied to an electric or steam railway of the open track type. ,s

Referring more particularly to the drawings, Figs. 1v to 4, inclusive, illustrate they principles of my invention as `applied to the construction of an electric railway of the slotted conduit type. As represented in these ligures, the track rails 5 and 6 are supported in position by a series of transverse extend'- ing yokes 7 constructed of steel orf other material possessing the required degree of elasticity.

In accordance with the purposes of -my invention, it is necessary that the yokes 7 have the capability of yielding to provide an elastic support for the Vrails .5 and. 6 and to this end each yoke is fabricated to present a pair of horizontal rail bearing beams 8 formed integral at their inner ends with a depending U-shaped .yoke 9 and at their outer ends with depending post members l0, lthe lower extremities of the latter being directed laterally to provide the supporting feet 11. As herein shown, the said yokes are mounted with the. feet 1l and loop 9 resting, respectively,'on the outer and intermediate longitudinally eXtending stringers 12 which are also constructed of steel or equally elastic metal and, for the purposes ofthis invention, may conveniently consist of sections of discarded track rails. At points `intermediate the said yokes, the stringers 12 are supported by metal plates 13 of predetermined size and thickness ywhich in turn aredisposed to rest firmly on a concrete bed 14 which is laid in position priorv to the positioning of thepreviously mentioned elements.

perspective view of the im of separate Preferably, the stringere 127 the plates 13 and the lower portions of the yoke 7 are anchored in relative position by welding or by embedding the same in a further filling of concrete or other cementitious material 15 superimposed on'the bed 14:.

The space between the post members 10 and the loop 9 of each yoke is occupied by a filling of concrete or similar bl'ocksidw'vhich are extended between the loops of the several yokes to provide the required conduit or trough for the reception ofthe-current conductors. t will also be noted in this connection v1tl'iat=the inner ends of the cam `S are utilized to supportthe slot rail-s 17 and the space lietwecn these rails and f the track rails 5 andf is occupied?bytheusual surface material represented 'by the numeral 18. Y

Mypurposein making the slot or conduit blocks ybonded together instead of molding` the conduit of concret-e inlfaccordancewith the-prevailing pr.actice,'is to enable 'sectional repairs 1 to fbefmade -to the portions of the conduits extending between the several yokes. Y

By making the yoke L7 of steel-designas shown, obtainr-an'elastic-support for lthe rails 5 and 6 and thereby obviat'e tli'eeusu-al noise and deterioration of equipment resulting fromthe pounding actionV of the-rolling stock on the railsI duringpassage thereover. 1n this connection7 lit iswpointed Out that therail bearingbeams Sbeing supported to bridge thespa'ced points4 of support affordedk bythe:postmembers 10 and the sides of the loop memberQfarey capableV ofa limited degree of flexion linterinedilate these points of support when subjected to the weight-of therollingfstockpassingover the rails 5rand 6. This' deflection, whilef exceedingly slight7 is suflicient to provide an-effective cushion for the f rails 5 1 andv 6.

yln Vaddition tothe aforementioned iieXion of the railbearing'beams 8,'1 at-tai1i-atlcli tional cushi-oningfof the track vrails by :rem son of the particular arrangement and construction of the stringere 12 and underlying supporting plates '13. ris-shown to vadvantage in 'Fig'. 4, the plates -13 provide spaced points of support betweeirwhich the Vstringers 12, byreasonfof the elastic material composing ythe `-same are capable yof 'a slight vertical 'Heinen sufiicient'to permit `corre- Vspending.bodily movement of the yoke 7 when subjected'tothe weight'of the'rolling stock. From tliisfitwill be seenthatd obtain a doublecushioningeifect f'orthe track rails by reason of theflexion of thestringers y12 between the supports 13 in addition :to the flexion of the -rail'bearing'beams S between the spaced points'of -support formed integral therewith.

1n Fig. f5 ofthe drawings, l 'have lshown the principles yof the invention as applied to the construction of an electric or steam Vto disposetlie rails -5 `and 6 in railway of. the open-V or paved track type without aconduit. The yokes 7, stringere 12 and plate 13 are y0f substantially the same construction as illustrated in the pre ceding figures, the only material difference being that -the supporting posts 10 at the ends yof the yoke and the intermediate loop 9 are made of'considerably less height so as closer proxi inity .to the concrete bed 14. This change results in a saving of material in the con struction oftheyokes and is permissible in view of the fact that no conduit is required in this type yof railway -andihence there is no necessity' formaking-the loop 9 ofthe depth disclosed' in Fig. :1. ln fact, it would be within the--scope of .my invention as l :applied to an: .open track railway@ to eliminate the intermediate loop-9 andthe; posts :10 and to -m-ake :the -rail `bearing beams 8 `1n one continuous length supported at theends and at f'an yintermediate point on `the, :stringere 12. `ln'this modified vform of-theinvention, the yokes Yareembedded =in l the customary ballast material l19 superimposed on-the tillingV ofY concrete l2O Vin which the stringere 12 and plates 13 fare embedded.

TVVhile in the foregoing AI have disclosed what is now considered to be the A preferred embodiment itis to be understood that various changes in the construction, arrangement land proportion of parts/may be resorted to within the scope V'offthefappended claims without departing from the spirit of the invention.

l/Vhat l claim andy desire tocover by Letters Patent is:

1. In aI track construction, the combination Vof a series ofrail bearinggvyokes and a resilient supporting structure for said yokes having the rcapability of yielding -to permit of a slight bodily movement ofthe lyokes under the weight. of vthe rolling stock.

2. In a trackconstruction, the combina tion of aI/series of railbearingfyokes con-V structed of elastic metal fabricated to provide Va resilient support for the frails and means supporting and holding'said yokes in position without interfering with the resilientacticn thereof. l

"2/lin atraok .constructioinfthe combination of a series of resilient rail bearing yokes capable lof a slight flexion inthe rail bearing portion to 'provide a resilient support for the Avrails and a resilient 'supporting structure for the yokes having thecapability Iof yielding to permit a Yslight bodily movement of the yokes vertically when subjected to the weight of the rolling stock.

4. In a track construction,fthecoinbination ofspacedtransverserail bearing beams spaced IlonOitudinally extending stringere underlying and supporting said beams at points out of vertical alignment with the rail bearing portions of the beams andga plurality of vspaced supports underlying each stringer at points intermediate the said beams.

5. The track construction` specified in claim 4, in which the rail bearing beams are constructed of material possessing suficient elasticity to provide for a slight yielding flexion yof the beams at pointsrintermediate the stringers.

6. The track construction specified in claim t in which both the rail bearing beams and the stringers are constructed of metal possessing suflicient inherent elasticity to provide for resilient flexion of the beams intermediate the stringers and a like 'flexion of the stringers intermediate the underlying stringer supports.

7'. In a track construction, the combination of a series of spaced transverse yokes presenting each a pair of horizontal railv bearing beams integrally connected at the inner ends by a depending loop and at the outer end to depending supporting posts, longitudinally extending stringers underlying said posts and loop to support the yoke in position and stringer supports underlying said stringers at points intermediate said yoke. y

8. A track construction, as specified in claim 7, in which the yokes and stringers are constructed of metal possessing sufficient inherent elasticity to .permit of a slight resilient flexion of the rail bearing beams and the portions of the stringers underlying the said yokes.

9. In a track construction, the combination of a concrete bed, spaced series of longitudinally extending stringers positioned thereon, a series of spaced transverse rail bearing yokes supported on said stringers and a plurality of supports interposed between the bottom of eachstringer and the concrete bed and positioned at points intermediate said yokes and a concrete filling material embedding said stringers and underlying supports therein.

10. In a track construction, the combination of a concrete bed, spaced parallel series of longitudinally extending `stringers embedded in the concrete, a plurality of spaced supporting plates also embedded in the concrete beneath each of said stringers to pro-v vide spaced points of rigid support therefor and a series of transversely extending yokes supported on said'stringers at points intermediate the underlying Stringer supports, said yokes being constructed of. metal possessing suiiicient inherent elasticity to permit a slight flexion of the rail bearing portions of the yokes.

11. In a railway track construction, the combination of spaced supports, a resiliently flexible beam resting on and bridging between said supports and track rails secured on the beam, said beam flexing be-` tween said supports to yield f underload on said rails to thereby cushion .the travel ot cars oversaid rails. f 12. A yoke of the character, described presenting` rail bearing beams bridging spaced. points ofV support formed integral therewith, said yoke being constructed of metal possessing suiiicient inherenty elasticity to provide for a slight resilient flexion of the beams intermediate said support.

13. VIn a trackof the character described, a bed structure comprising a series of longitudinally extending stringers arranged in spaced parallelism and a series of spaced supports underlying each stringer, said stringers being constructed of metal vpossessing suiiicient inherent elasticity to provide for a slight flexion of Vthe stringers intermediate said supports.

14. A bed structure according to claim 5 in which the stringers and underlying supe ports are embedded in a supporting concrete foundation. 15. In a track construction, the combination of transversely extending rail bearing beams and a plurality of transversely spaced stringers underlying eachv beam at points out of vertical alignment with the rail bearing portions of the beam. Y

16. The track construction specified in cla-im 1, in which the stringers are constructed of elastic metal, to provide4 for vertical flexion of the stringers intermediate the underlying stringer supports.

17. A yoke presenting aligned rail bearing beams, a center support connected to and depending from the inner ends of the beams and depending from the outer ends, of the beams.`

18. In a railway track construction'the combination of rigidV supporting members ar-lranged in spaced rows with the members of each row spaced apart, a flexible stringcr resting on the top of and bridging between the supporting members of each series, crossV beams engaging with said stringers intermediate said supporting members and rail beams secured to said cross beams, said stringers flexing between said supporting members to yield under load on said rails to thereby cushion the travel of cars over said rails.

20. In a railway track construction' the combination of a rigid supporting structure comprising spaced apart members, an interand a pair of outer supports connected tov Y mediate *supporti-ng structure supported en said :members flan/d bridging therebetween andwatrack lstructure comprising cross' beams and rails directly securedI thereon,` said' cross beams' engaging-With said Vintermediate 4supporting structure intermediate the. airfaresaid members and lsnijd supporting structure being *vertically lexiblelwhereby; tor'yiefld to permit `bodily -Vert'ieal give of said track structure during travelg of leedsl thereon.

In testimony whereof I hereunto-affix my signature. Y Y

-VROBERT H. fPmLLiPs.

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