US757264A - Electric railway. - Google Patents

Description

No. 757,264. PATENTED APR. 12, 1904.

D. J; CABLE.

ELECTRIC RAILWAY. APPLIQATION FILED MAR. 11. 1903.

N0 MODEL.

' of the kind -.itsobject to provide an improved third rail W of the U quick application to s N T OFFICE I v .ratented n prilllalml DAVIS cAnLE; on OHIO.

. emf-m Be o s- A l srnormonrroiv forming' part' or was rm tfno. 757, .2 e4, A ena-2," 1904;; nota 'n and-nun 11,1905. sasnn-147,sae.@-opens.)-

To' all whom it .may concern; I I Be it known th at'I, Dnvrs J, OABLn,,a citizen. :dn'ctor- 7: in such-manner that displacement'of' nited State residing-z'at'sLima, infthea lsaid 'condnctorais'preventeif f f county of Allen and State of O hio,'have inv I The electrical "conductors arefnot" proi vented new and useful Improvements-in L'Elec-' 'vided'i with any form of insulating material; tric Railways, of which-the followingis'a "For this 'rea'son'the specification. r w -p'liedwith-suificient electrical energyto sat his' invention relates to electricfrailways lis'fy the demands ofj thers'ystem.

which employa thirdmil for conhe road I motive force, and ha's'for. -'vi.des"am p'le contacting area for theshoewh-ich ti'ayels'thereon, andas saidiraill I supplied with el'e'ctrical energyfroin the conducting the. electric hich s simple and inexpensive in construct tion; e ifective ii -operation; and adapted for a; traction system. I

advantages of the inven Owing asma'lll copper conductor.

the rail 5 as those which *would arethe's'ame' Other objectsqah'd tion will be apparent from :thefoll t'ail descriptiomandthose-features -which are The rails 5 are made .of iron 01'? any O her .held to be-newzwill be set 'for'thiin the'claims. suitable I materiaLr'and as they require much Referring to the accompanying drawings, less material in their construction than the forming a part of this specification,gFigure 11 rails 'eretofore used the-cost of a railwaysysis a transverse sectional view. of my'impreved tern constructed in accordance withmy inventhird rail and the cover thereof. Fig,' 2 i's'a tion 1s greatly decreased." By employing the the W1 45 f gether. v

side elevation showing the methodiof retain ing'the electrical conductors in contact the Wings of the third I fish-plates, Fig; 3 is a View similar to Fig. 1, showing a modified form of protectivecasing for thethird rail.v he reference-numeral 1 indicates a tie upon which the tracks or rails of the electric railway are supported, one of :saidrails being designated by thereference-numeral 2. Bolted or otherwise attached to the outer end of the t e conductors" in I I faces of the rails I avoid the necess'ityof pro? 'viding other clamping ineans suchas' staples, bolts, or the like a n d in this wayfurther de-. crease the expense of applying the system.

intervals along the railway to support the rail 5, though the rigidity of said rail willbeenhanced frequent-intervals; I I I I In order toprotectf the rail 5 from snow, I sleet, and the like, I provide a guard 9, which the upper end of the pedestal. 3Iis embedded, is supported by the iron standards 10, "bolted an approximately T-shaped rail or otherwise-attached to the tie 1. 5. a I 6 are passed through the If desired, the rail 6 may be protected by pedestal 3 and web 4 to retain the rail 5 firmlya casing 11. In in position. i A pair of' electrical conductors the arm 12 of the contacting shoe 13be'curved, 7,: preferably of the form of copper wires, is as shown, to fit the edge of the casing 11.- The extended along the sides of the web 4 beneath "method of attaching the arm 12'of the-shoe'13' ngs orextensions of the T-shaped rail. to theelectric car forms no part of my present invention, and I therefore illustrate this construction only in a general way. 1 It will be. understood, of course, that the shoe-13 travels upon the upper surface of the in position beneath the wings of the rail 'by the fish-plates 8, which connect the-rails 5 to- Each fish plate isfirmly clamped against the s eepest-putt adjacent .,at .50

is'constantly I I .6o" {ductor 7-the results obtain'edfrom the 'useioi be understo0d, of course; thatit is only necessary to provide the pedestals 3 at upper surface of; the rail 5ypro- I he Qbl ained if.the shoe contacteddireetlywith fish-plates in the manner. described to retain 'place against-.theunder'sur- I o by providing supporting-pedestals I this event it is necessarytthat] 7 rail 5 and derives electrical energy therefrom,

which -is transmittedto the car through the rod or conductor 12'.

Having thus described ntly invention, .what

- Ielairri as new, and-desire to secure by Letters Patent, is-

- v1.' an electric-railway system, a continuone third rail comprising a plurality of substantially T-shaped rails arranged end to end and each consisting of a vertical web provided on 'its upper end' with laterally-extending flanges, in combination with fish-plates uniting the adjacent ends of said rails and bare electrical conductors arranged in contact with the I 5 under sides of said'fiang'e's and clamped between the same and the upper edges of the fish-plates, substantially as described and for the purpose specified.

i 2. In an electric-railway system, a'continuous' third rail comprising a plurality of substantially T-shaped rails arranged end to end and each consisting of a Vertical Web provided on its upper end with laterally -extendiug flanges, fish-plates uniting the adjacent ends ofsaid rails, bare electrical conductors arranged in contact with the under sides of said flanges and clamped between the same and the upper edges ofthe fish-plates, and pedestals of insulating material in which the webs of therails' are embedded and fastened; substantially as described and for the purpose speci- DAVIS J. CABLE.

Witnesses:

"HENRY W. NEFF,

J. A; QCON OR,

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