US724762A - Third-rail electric-railway system. - Google Patents

Description

N5. 724,762. PATENTED APR-.7, 1903.

W. G. WAGENHAL S.

' THIRD RAILBLEGTRIG RAILWAY SYSTEM APPLIGATIONTILED JAN. 2a, 1903.

10 MODEL.

U ITED, STATES PATENT ()FFICE.

WILLIAM GLVIYWAGENHALS, OF-OVINCINNATI, OHIO.-

THlRD-RAIL ELECTRIC-RAILWAY SYSTEM.

SPECIFICATION forming part of Letters Patent N 0. 724,762, dated April. 7, 1903. Application filed January Zil, 1903. Serial No. 140,890. (No model.)

Railway Systems, of which the following is a full, clear, and exact description,reference being had to the accompanying drawings, forming part of this specification.

My invention relates to a certain novel and useful construction for supporting and protecting the electric conductor in that system of electric railways in which the current for propelling the cars is supplied to the car through suitable contact devices from a continuous third rail located between or at the side of the rails of the car-track.

The purpose of my invention is to provide an effective method of guapding and protecting the conducting-rail-from the efiects of the weather and accumulations of snow and ice and to prevent contact therewith by persons and animals crossing or using the car-track.

The invention also has for its object to supply a certain novel construction of conductingrail by which the durability of the rail shall be very largely increased and whereby when the rail is worn by contact on its contacting face the rail may be inverted to supply a new contactsurface without in any way changing or altering the construction for supporting and protecting the rail.

In the drawings, Figure l is a transverse section through one of the supporting-chairs for the third rail. Fig. 2 is a side elevation of my third-rail construction. Fig. 3 is a cross-section on the lines 3 3 of Fig. 2.

A represents malleable-iron chairs for supporting the continuous third rail, spiked to,

the cross-ties B at suitable intervalssay every ten feet or so.

0 is a rolled-steel cover or protector for the thirdrail, made in suitablelengths and running continuously the length of the conductor. This continuous coveris secured to the chairs A in any suitable way, preferably by 7 and also provided with a suitable groove to fit over the heads of the bolts a a, by which the cover is secured to the supporting-chairs.

E is the conductor or third rail, made of suitable conducting material and rolled in the shape of an I or T beam with the heads b b symmetrical.

The supporting-chairs and the protectingcover having been fixed in place, the third rail is raised to position with the insulatingblocks D D in position on the rail, and the insulating-blocks are then slid along the rail into position at the supporting-chairs, and the system is ready for use.

Throughout the length between the supporting-chairs the depending sides of the cover 0 are vertical, as shown in Fig. 3; but at the chairs the lower edges of the. sides of the cover Care bent in, as shown at c c in Fig. 1, to grasp and hold the rentering surface of the insulating-blocks. The outer and lower edges of the insulating-blocks are provided with depending lips d d to serve as a petti-' coat to prevent water from making any connection between the cover and the third rail and to cause any water that may collect to drop off at the petticoatfiange. 'As will be seen from the foregoing description, my construction of third rail is exceedingly simple to erect and the cover 0 forms a perfect protection against any accumulations of snow and ice and from any accidental contact with the third rail by those crossing the tracks. The insulation at the chairs is by the insulating-blocks, while air-insulation is provided between the supporting-chairs.

When the lower contact-surface of the third rail becomes Worn out in use, the third rail can at once be inverted, so that the life of the rail is doubled, and this inversion of the rail can be had and the rail properly supported exactly as in the original construction.

Having thus described myinvention, what I claim, and desire to secure'by'Letter s Patent, is- V 1. In an electric third-rail system, the combination, with the conducting-rail, of supporting-chairs, a continuous protecting-cover with depending sides secured to the chairs, insulating-blocks grooved to receive and sustain the third rail, with rentering flanges on the depending sides of the cover to grasp and hold the insulating blocks in place, said blocks provided with petticoat-fianges to prevent moisture accumulating on the lower surface of the insulators, substantially as described.

2. In an electric third-rail system, a continuous third-rail conductor, having a Web portion, with similar expanded contact portions at each end of the web portion, and

means for sustaining said third rail in position, whereby when worn the third rail may be inverted for further use, substantially as described.

3. In an electric third-rail system, the com- WILLIAM G. WAGENHALS.

Attest:

W. S. KYLE, E. G. SEAMER.

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