US1049736A - Railway-switch. - Google Patents

Description

G.A.LANGD0N.

RAILWAY SWITCH. APPLICATION FILED HAY 11, 1912.

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' 'Bv` TroRNEY v Asame and owing to street dirt linding its Way sii'npl'e'and efficientmeans for maintaining nl the vbot-tom ofv the heel endof the tongue in closecon'tact withI the 'which it rests and for UNITED sTATEs PATENT CLAUDE A. LANGDON, or HARRISBURG,

RAILWAY-SWITCH To all whom, t may concern cation.

Be it known that I, CLAUDE A. L .;iNGDoN, a citizen ofthe United States, residing at Harrisburg, in the of Pennsylvania, haver invented certain new and useful Improvements in f Railway- Switches, of which the following is a specifi.-

Tliis invent-ion relates to railway switches of tliatclass. wherein -a switch tongue is. mounted to move laterally-upon a floor portion of a frame structure in \vliicl i grooves the flanges of. wheels from tl'ieto'ngue, and

are formed -to receive and-*guide Ythem to and wherein.- the heel vend floor portion on which the tongue'is mounted.

l In switches of this class i-tf'is desirable to "maintain the `top of 20 the heel end of `the tongue xiii or near the horizontal plane of the t'plof the tread portion^ against which the li'eel'flof the tongue abn-ts, and it is also de sirablefto"inaintainfa"tight joint between the heel 'end o f'the tongue and the tread portion against which it abuts,` in order that wheels may be jarred as little as possible in passing lover the switch, and in order that the Ahamnier-like action of wheels upon parts 'of the switch structure may be minimized. iIt has beenffound diilioult to maintain the parts in this desirable condition owing to the wear between'ithe parts, the wear being greatly in- .creased by street dirt finding rits way between the bottom of the heel endl of the switch tongue and the floor portionssupporting the between the lieel end of the tongue and the igainst the tongue a combined downward and rearwardy pressure acting to hold it down upon vthe Hoor tread portion against which it abuts.

y The objectof my invention is to overcomel this'difhculty by the provision of a novel,

Hoor portion. upon maintaining the heel endof the tongue in .close Contact with the fread portion against' which it abuts.

eti-uct the said means so that the part enafging the switch tongue will "exert directly hold the heel end of the tongue back'against 4 the Aabutting treadportion.` A Yfurther object. .of my invention '1s.too( ,in-jy ,-.S'Huct the. `sand means se that if. wai :auto

Specification of Letteis'ifatent. ai i Application filed May 11 1912.` Seri-'a1 No. 695,586.

county ofDaupliin and State ofthe switch tongueabut-s'againstl a tread portion risingfrom the g' Referring to the draw vforni of embodiment of. n ignates the frame structure or basezofzairail- Y A further object of my invention is to con' portion and also acting to' inay-socciir between the tongue the abutting' tread portion." .4-

A further object ofmiy ventii s tofeonstruct the said means so liatatflie pairt engaging; the tongue' willienggeiito r=thefslinje ot? the axis of the pivot on".which.fthe toiigue is, moved laterally to n'ifi-nimize thefwean between the engaging paitandf tlie tongue;

.and a further objectioriny'iinwentienffis'to construct thesaid meai'issort-liat-Lifi wilf-not he necessaryA for `any;finte'grail p rtlfif the Y' switch tongue .to project belofw tit-si .'hottom face resting on the floor ipo 1titinto permit the uninterrupted 'niach'ini'n'g 0E the bottom of the tongue; insuring thel acc-ne rate fitting ot' the tongnetotli'etlooripoiition upon which it rests. 'i l if.;

My invention consiststinwthe va'iiionsnovel features of construction; a-ndf'coinbinatins of i parts hereinafter dcsciiibedwanctqorticnlarly claimed. Y

In the` accompanyingdia; ingv ing my.inventionz-Figurel i 4 plangview of. a port-ion `of a railax'ay i clfi"stil=i;ctiii"e embodying my invention,Y showing th'ezfhe'el end ofthe switch tongiieandiadi fieiitfp'rts.

`Fig. 2, is a longitudinal:section; onlinerZ- o f Fig. l. Fig. 3, is arftiansverseisection, on line 3 3 of Fig. l. Eig 4ta aat-ra verse section, on line t-l of Fi e l y invention', {findes- This fraine:ionbasefzinclfudes a floor portion 6 providedkwitlndbwnwartllgi extending supporting walls Zspaced and arranged toprovide a' irmiand :frigid frame for the switch structure. Rising sfroinronezfside of the licor portion 6 alnd e'iitcndiiigiloigitw dinally of the frame -:is 'a treadiportiend,

way switch.

portion G and extending'longitudinally 'of the framer 5 is aguardis-portioniQ" 'Resting upon the Hoor portionI-'between th portion 8 and the guardi-portion switch tongue 10, the heell'e'nd of whic i ead f thie abuts against a tread portioiifl'lf'inising .ifroiniby the ioorgportion 6 betweenf'the-.tread portion 8 and' guardl 'portion 9. '.Formed betweeny the Y 'tread portions 8 vand-fill and betweenthe treadportion l1 and the guardpoiftionl-Qi are -the usualf groo'ves'lQ andfrlgjrespectively, to `receiveftlie lianges of wheelslantiguidwthem to. and ffroin" the respectivesides501i.thttingue in the usual manner. lThe entire frame l.,

structure 5 may be formed in a single caeting or, as is common in switch structures of this class and as shown in the drawings, the top of the floor portion 6 the tread portions .8 and 11 and the guard portion 9 may be formed in a separate casting 15 seated in a casting forming the main body of the frame structure The heel end of the tongue 10 is formed into a. large pivothead la which is mounted between the tread portion 8 and guard portion 9 Vin a manner to pivot the heel end of the tongue to the frame structure to permit the point end of the tongue to be moved laterally into engagement with either the tread portion 8 or guard'portion 9 as the tongue is operated in the usual manner. The head 14 and the sides of the body of the tongue l0 are grooved to form eontinuations ot the grooves 12- a-nd 13, ae shown.

When herein l speak ot rearwardly, l mean in the direction from the tongue l() to the tread portion 11, as iindicated .by the arrow in Fig. 1. i

Formed in the bottom of the head 1l or in the bottom of the heel end of `the tongue 10 is a cavity 16 which xtends upwardly and then rearwardly providing the tongue with a bearing part 17 above the bottom :tace of the tongue and below the rearward portion of the cavity 16. The floor por tion G beneath thetorward portion of the cavity 16 is provided with an opening 18., and extending through the opening 18 and into the cavity 16 is the upper end ot a link or member '19. The upperv end of this member 19 is 'ma-de hook form and extends over and engages the rounded top of the bearing part 17 and also'the rounded torward face of the part 17 slightly below the top thereof. The area of `the enga-ged fzweo of the parts 17 andv19 ie very small and such area is `on the vertical line forming the center or axis of the head 14 on which the head turna as the tongue isunoved from side to side. It will therefore be seen that there will be very little riction and consequently very little wear between the parte 17 and 19. The lower portion ot the link or member 19 extends downwardly and rearwardly from the cavity and the lower end of the member 19 is provided with a forwardly extending hook which extends beneath and is engaged by a lever ,120 between the ends thereof. The .lever 2O extends transversely beneath the floor portion v(i, and one end of the lever 2O is t'ulcrun'ied at 21 against the frame structure and the other end of the lever is bi'l'urcated at 22 tor a purpose presently explained. The. loyer 20 is fulerumed to move parallel to its side faces and parallel to a downwardly and rearwardly extending, incl ined plane, eo that it' downward and rearward pressure be applied to the bturcated end of the lever i i i l i l y,

1 the heel gaging the walls ot the 20, Such pressure will l;:. transmitted to the part 1T et the tongue l0. thereby forcing oud t the tongue down into cle-5e Contact with elle .floor portion o and at the Same time forcing the heel end ol the tongue back into close coulait with the tread portion ll.

To exert the desired downward and rearward pressure against the lever 20, l provide the following: llxtending through the biturcateiil end of' the lever 2G and parallel to the inclined plane through which the lever 20 is tulcrumed'to more is a bolt 23.

The lower and rearward end of the bolt l extends through a slot "2l in an inclined rib or wall 25ct' the trame- 5` and the lower end of the bolt 52% is provided with a square head 2G seated in a square Socket in ln-- bottom of the wall 25. The head 2t?, en-

is seated prevents upward movementot 'tn-s. bolt. and prevents it from turning. 'll'le slot is madefin key-hole form, as clearly shown in Fig. 3, to permit the head 2.5ito we lowered thnnlgh the wide partot the slot, in assemliling the parte, before the shank ot' tin-bolt' is moved into the narrow portion of the slot where itreste. The bolt 23 extends up from the `wall 25 through and beyond the bifurcated end ot the lever 20, and a nut 27 is screwed on to the upper end of the bolt. The bottom oit the nut 27 engages the top olf a coiled spring which encirclee the bolt 23, and the 'bottom ot the spring engages the top ot the biturcated end et the lever 20, the spring 2S being compressed between the nut 2T and lever lt will thus be seen that the spring 28 acts to press the lever 2O and therewith the member 19 and tongue l0 downwardly and rearwardly, that the heel end of the tongue 10 is thus held iirmly back against the tread portion 1l and vfirmly down upon the floor portion t3, and that the spring 2S will automatically talle up any wear that occurs between the tongue 10 and the tread portion 1,1 and between the tongue 10 and the door portion t3. By adjusting the nut 2T upon the bolt 23, the pressure ot the spring 2S against the lever 20 may be nicely regulated. The bifurcated end of the lever :20 and the bolt are located within a box :'29 forming a part of the 'trame 5 and extending laterally from the main body thereof. The topolf the box 29 is provided with a suitable removable cover plate 30 to atlord access to the interior ot' the box for the adjustment ol the nut 37 or tor the removal or `replacement of the parte employed in the mechanism for holding the switch tongue iu place.

l claim: 4

1. ln a railway switch, the combination of a `frame structure having a floor portion and a tread portion rising from the floor socket in which i;

' portion portion,I

against gaging va part of said tongue adjacent the heel end thereof, andAmeans for exerting a combined downward and rearward pressure against that part of said member engaged with said tongue.

2. In a railway switch, the combination of a frame structure having a floor portion and a tread portion rising from the floor portion, a switch tongue upon 'said floor portion and having its'heel end abutting against said tread portion, a member engaging a party of said tongue adjacent the heel end thereof, and means for exert-ing a combined dowiiwardfand rearward pressure against that part of said member engaged with said tongue, said means including a lever fulcrume'd to move parallel to a plane between a vertical plane'and a horizontal plane.

3. .In a railway switch, thecombination ofafraine structure having a Hoor portion and a tread portion'rising from the Hoor portion, a switch tongue upon said Hoor portion and having its heel end abutting against; said tread portion, a member engaging a pait'of. said ton-gue adjacent the heel end thereof, a lever ,engaging said member' and fulcrumed to move parallel to a plane' between a vertical plane and a horizontal plane, and means for exerting pressure against said. lever-,said lever and said member acting under said pressure to force the heel end of the tongue downwardly and rearwardly.

4. In a railway switch, the combination of a frame structure having .a floor portion and a' tread portion risingA f rom the floor portion, a switch tongue upon said,A floor portion and having a pivothead oiiithe heel end thereof mounted to turn in said frame `structure and to abut `'against lsaid tread,

portion, a member engaging a part of said tongue on' the line of the axis `of said head,

and means for exerting a combined downward and rearward pressure against thatpart. of said member engaged with `'said tongue. 5. In a railway switch, ythe combination of a frame struc .ure having al floor portion and a tread portion rising from tlie`iloor portion,y a switch tongue vupon said floor portion and having a pivot head on the heel end thereof mounted to turn in said frame structure and to abut against said tread portion, a member engaging a part of said tongue on the lineof the axis of said head, and means for exerting a combined downward and rearward pressure against that part of Ysaid member engaged .with said tongue, said means including a lever fulparallel to a planebetween a vertical plane and a horizontal plane.

thereof and beingengaged lbyj portion,

`under said means said tongue downwardly and rearwardly. i

` 6. In a railwayswitch, thejcombination of a frame structure having afloor portion, a switch tongue mounted on' saidjfioorportion, a lever having one* end fulcri'imedagainst said frame structurefmean's"forex* erting downward pressure against'the other end' of said lever, and a=-inemberfeiigaging part ofsaid tongue adjacent thefhle'el-end "aid'lv tween its fulcrum end andfs'ai 7. Ina railway switch,` of a frame structure having-ia -floor*portion and a tread portion 'risingfroii'i` thev lHoor tion and having` its heel end abutting against said tread portion, a .lever having one fulcrumed against said frameistr'uctiire, means for exerting pressure"againstthe other end of said lever,-and'almemberengaging a part of vsaid tongue adjacent the a switeh ton gue uponisaid flo'rpor-` heel end thereof and being engaged byzsaid lever between its fulcrumedend and f lsaid. means, said lever and said member acting to force the' heelend `,of

8. In akrailway switch, the combination of a frame structure having a floor portion,

-a switch tongue mountedon'sa'i'dj Hoor'fp'orftion, a lever fulcrumed againstI said"-frax`ii`e structure, a link member extending over and engaging the upper portion of a part of said tongue adjacent the heel end thereof and extending under and engaging the lbottom of said lever, and means forcing downwardly that part of said lever engaged with said link member. v T 9. In a railway switch, the combination ofa framel structure having a floor portion and a tread portion rising from the Hoor p ortion, a switch tongue'upon said floor portion and having its heel end abutting against said tread portion, a lever fulcrumed against said frame structure, a link member extending over and engaging the upper port-ion of a part of said tongue adjacent the hee] end thereof and extending under and engaging the bottom of said lever, and means forcing Adoi'vnwardlyand rearwardly that portion of said lever engaged with ksaid link member.

10. In a railway switch, the combinationl of a frame structure having a Hoor portion, a switch tongue upon said ioor portion and having a cavity .formed in the bottom of the heel end thereof above the plane of the top` ofsaid floor portion, a member extending into said cavity and over and engaging a part of said tongue, and means for exerting downward pressure against that portion of said member engaged with said tongue. 1

i 11. In a railway switch, the combination of a frame structure having av floor portion andAv a tread portion rising from the floor portion, a switchA tongue upon saidfloor ortion and abutting against said Atread poi'-,

tion and having a cavity formed in the bottom of the heel end thereof above the Aplane o1" the top of said tioor portion, a member extending into said cavity and over 12. In a railway switch, the combination ofa frame structure having a tioor portion and a tread portion rising from the floor portion, a switch tongue upon said floor portion and abutting against said tread portion and having a Cavity formed in the bottom of the heel end thereof above the plane of the top of said fioor portion, a member ei;- tending into said cavity and over and ,engaging apart of said tongue, and means for exertingdownward Apressure against that portion of said member engaged with said tongue, said means including a lever fuloruined to move parallel to a plane between a vertical plane and a horizontal plane.

13. 1n a railway switch, the combination of a frame structure haging a floor portion, a switch tongueupon said ioor' portion and having apavity formed in the bottoni of the heel end 'thereof above-the plane ot the top of said floor portion, a lever fulcruined l roaeffee against said frame structure, a link member portion, a switch tongue upon said floor por tion and abutting against said tread portion and having a cavity Jformed in the bottoni of the heel end thereof above the plane of the top of said fioor portion, a link member having one end extending into said cavity and over and engaging a part of said tongue therein and having the other end extending under and engaging the bottom of said lever, and means forcing downwardly and rearwardly thlit portion of said .lever engaged with. said link member.

1n testimony whereof 1 afiix my signatnre in presence of two witnesses.

CLAUDE A. LANGDON.

1/"itnesses ALBERT R. PEREGOY, iV. H Sinnnr.

downwardly that part

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