US1145335A - Base-supported rail-joint. - Google Patents

Description

F. S. STEVENS.

BASE SUPPORTED RAIL JOINT. APPLICATION FILED APR. 5, i914."

' 1,145,335. I PmmeaJul es,1915.

a SI 0 rilw I I WITNESSES 1E i r Mam 3 M M- r an improvedpdevi'ce' of this charactenin To-aZZ whom it may concern vcitizen of the United: States,'and a resident of Reading, in the county/of Berks-and 'State of Pennsylvania, have made {a'nd invented certainnew', and, useful: Improve ments in Base-Supported Rail-Joints, of

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Be it known that I, FRANK sm vmsfa which the following is a specification.

.Myinvention' relatesftoqrail joints, "my more particular purpose being to produce which special provision is made f01.'S11P-' porting the cndsof the'rails at the, points Where the greatest stresses are-likelyiflto :occur.v a i q More particularly splice bars each restingupon suitable'supports and provided with a 'depending 'portioncarrying a massive seat, the latter being so located relativelyto the rails as to support the endsthereof directly, and otherwise to resist the greatest'strains received from.

the railsthe splice bar being of such form that'it is preferably made, in practice, from. a cast metal.

'My invention further contemplates the a use of bolts whenever'fdesired, for extending the general efficiency thereof.

"invention. a

Reference is madejtothe accompanying through the depending portions of th'esplice bars and thus-preventing the splice bars and parts connected therewith from spread- 1 ing apart in CODSGqUBHCQOf the downward pressure exerted by the rails. My invention also embraces various forms and combinations of parts, used for the purpose of supporting the rails, and particularly the ends thereof. upon a bridge lilre structure of exceptional strength.

In addition, my invention covers various improvements in rail joints, for increasing Asmy device may be practised in different ways, I will for the sake of concisenessidescribe only two forms, and these may be considered as merely representative-of the drawing forminga part ofthis specification, and in which. like. letters indicate like parts.

Fi tion and partly brokenr-away', improved form of railjoint,

showing my Figlf'Q is a section, on the line 22 of Fig. l,y-looking in the direction of the"arrow..- isa: detail view showing in fragmentary.eleva-f;; tion the inner face of thedepending portion Specification of Ii'etters l atent stated, in making my unproved rail oint,.I'empl0y' a pai r of for this purpose;

mediately adj acent the slightly elliptical,

' bars,

. nuts 16.

with .stand a ery severe strain}, either downward t ,or horizontal, as'the ca'sejnlay be; a i A base plate .is shown vat .1 8,and is loose relatively to the seats 17 lup'onwhichit rests base plate 18; is provided with 3 directly. The p a centrally disposed rib '19 integral with: it

gure 1 is a side view, partly-'infeleva- I 'of of'the splice bars. correspondingito' Fig. 2, but showing a differentform of seatjfor engaging and supporting the lowerjportion of thefrail The rail heads-are shown at 5, the rail is I webs' at(ifandthe'railfeet atf7.. -Located below therail gfeet are-fiat supporting plates 8, resting lupon' cross ties A. pair 0f splice bars are shown at110, andfare each .provided with a thickened p'ortionull, lo- Icated at the middle ofthe bar, reckoning in a .the general directionofthe lengththereof this-thickened portion; spanning directly acrossthe; abutting endsoi:'- ,the rails; ,Bolts =12 eXtendthrough-the thickened portions 11 of the splice bars and also throughthe webs 6-suitable holes being formed in these parts a :Two of these holes,-;im-

as indicated atl2 in Fig. 1, in order to a play between the-rail ends and the splice F at'points adjacent the middle portions. of thesplice bars.

portion 13,

it and, following 1 its inner peripheral surrail ends, are made llow aslight degree of I Nuts 13 arefitteduponthe bolts12; v splice bar 10 is iprovided with. ja depending having-a bead14;,integral with g face, as may be understood from Figs. 1

and 3. -Two bolts 15, somewhat longer'than. i

the bolts 12, extend through holes in the dependingportionsl3f, {and are fitted with Each depending portion 13 is provided with a massive, seat lfl integral it and of suitable gproportions to withand extending parallel w'th therail's. This strengthening. rib thus; acts 'as a brace 1 for the base platel8, in thQmdlI'QCtlOIl which said base plate is subjected to, the greatest strains, "frorn the rail ends resting upon it. The rib;19 is provided with sloping ends 20,

105 yrib extends well; downyfin between these i bolts,and isgunableto move out ofposition' 1 r y ob ruct d lv, he Pr sen p of -the bolts. ;--The-'splice;;bars 10: are prov 1 vided further with notches 21,orslots and' by aid of the'latter fastenings 22 are placed:

of the form indieatedin Fig l, so that the because in positlon upon the supporting plate'sS. In assembling the parts, I find it com-en w for holding, -the-,-splic,e bars down ,fj}

ient to first place one of the splice bars 10 in position, bringing itwell up against the rails. The base plate is next inserted, a portion of the base plate extending outwardly overv the adjacent seat 17 of the splice bar. The other splice bar is next placed in position, its seat 17 being brought under, and in engagement with, the adjacent aortion'of the rail feet 7. The bolts 12 and nuts 13 are next fitted in position and drawn tight. Next the bolts 15 are extended through the depending portions of the splice bars, and tightened by the nuts 16. This being done, the base plate 18 is forced upwardly against the underside of the rail feet 7, so that when the joint receives the load, the bolts 15 eiiectively prevent the splice bars, and particularly the lower or depending portions thereof, from spreading apart. This arrangement protects the joint at its weakest parts. That is to say, the thickened portions 11 strengthen the joint where it would otherwise be weak on account of the weakness of the web 6, and the massiveseats 17, by pressing upwardly against the rail seat 8, effectively produce an upwardly-directed initial strain which meets the downward strain, which may be thrown upon them afterward in consequence of the load. In some instances, as indicated in Fig. 4:, I may discard the base" plate 18. For this purpose, I make the splice bars 23 of the form here indicated in cross section, and provide each splice bar with a massive portion 24 integral with it and'serving as a rail seat. This rail seat is flat on top, and engages directly the lower surface of the rail seat 7. The other parts of the splice bars, and parts immediately associated therewith, are formed andused as above described.

With the form shown in Fig. l, and in some instances even with the form disclosed in Figs. 1, 2 and 3, the bolts 15 may be omitted if desired. In this event, the splice bars are held together merely by the bolts 12.

It will be also understood, without further description or illustration, that the device above described straight and compromise joints, that is, is applicable for connecting rails of the same weight as well as those of different weight.

I do not limit'myself to the precise construction shown, as variations may be made therein without departing from the spirit of the invention, the scopef'of which is commensurate with my claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is as follows: i

1. In a rail joint the combination of a pair of splice bars provided with thickened is applicable to both middle portions and with depending portions having seats disposed adjacent said thickened portions, bolts extending through said depending portions, and a base plate resting loosely upon said seats and provided with a depending web extending in the direction of the length of said splice bars, said web also extending between said bolts and having a total length less than the distance between said bolts.

2. In a rail joint the combination of a pair of splice bars provided with depending portions having I seats, bolts extending through said splice bars and disposed adja cent the ends of said seats, and a base plate resting upon said seats and provided with a depending portion having a length less than the space between said bolts, said depending portion extending loosely between said bolts in order to prevent said base plate from creeping in the direction of the length of said splice bars.

3. In a rail joint the combination of a 'pair of splice bars, each provided with a thickened portion, and with a depending portion disposed adjacent the said thickened portion, bolts extending through the depending portions of the splice bars and disposed parallel to each other, and a base plate supported by said depending portions 7 and provided with a depending portion having a length less than the distance between the bolts, said depending portion of said base plate extending loosely between said belts in order to limit the play of said base plate in the general direction of the length of said splice bars.

4-. A rail joint comprising a pair of splice bars, means for securing the same to the meeting ends of a rail, each splice bar provided with a depending central portion, said depending central portion provided with a longitudinally extending laterally projecting ledge defining a seat for the rail flange, and a base plate resting upon said ledge and supporting said rail flange, said base plate provided with a depending Web extending in the direction of the length of said splice bars, and fastening means ex tending between the depending portions of said splice bar and located in front and in 'the' re'ar of said web preventing the longitudinal creeping of said base plate.

Signed at Reading, in the county of Berks and State of Pennsylvania, this third day of Ap'ril,A. D. 1914.

FRANK S. STEVENS.

Witnesses:

'J. F. LEBINGOOD,

F. K. MoRR s.

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

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