US437956A - Street-railway construction - Google Patents

Description

(No Model.)

B. T. WHITE. STREET RAILWAY CONSTRUCTION.

No. 437,956. Patented Oct. '7, 1890.

' UNITED STATES ATENT OFFICE A REYNOLDS T. \VI-IITE, OF BOSTON, MASSACHUSETTS.

STREET-RAILWAY CONSTRUCTION.

SPECIFICATION forming part of Letters Patent No. 437,956, dated October '7, 1890.

Application filed April 12, 1889.

To all whom it may concern: 7

Be it known that I, REYNOLDS T. WHITE, a citizen of the United States, residing at Boston',in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Street-Railway Construction, of which the following is a specification.

The object of my invention is to produce a substantial and economical street -railway road-bed that can be easily laid and repaired; and my invention consists in the peculiar construction of the rails and chairs to hold the same, as hereinafter fully described, and pointed out in the claims.

Referring to the drawings, Figure 1 is a vertical cross-section of a rail and end view of a chair embodying my invention. Fig. 2 is a side elevation of two adjacent rails secured over the upper part of one chairto form a connecting-joint. Fig. 3 is a side elevation of a single or intermediate chair which is placed between joint-chairs. Fig. 4 is a vertical cross-section of a rail and end view of a chair particularly adapted for double-chairs to support the ends of two adjacent rails.

A represents a rail of any desired form of tread.

B B are pendent sides rolled integral with the head or tread of rail A.

C are chairs made of iron of suitable size, and E are strengthening-ribs. The chairs 0 are made so that the upper ends 0 fit up under the head of the rail between the pendent sides 13 B, and a small boss or lug 0. stands above the top of the'chair and fits in under the tread A of the rail. The rails A are secured to chairs 0 by bolts D,passing through the pendent sides B B of the rail A and chairs 0.

In Fig. 2 I show two adjacent rails A A secured at their ends by bolts D, passing through the pendent sides B B of the rails A and through the upper part 0 cient space being left between the ends of the rails A A to allow for expansion and contraction. In making chairs for this form of rail I prefer to make them about of the form shown-viz., with vertical standards 0, running longitudinally with the rails A, so as to form a solid bearing for the lower edges of the pendent sides B B to rest upon, and the standards are carried up, as shown at 0 C of the chair, suffi Serial No; 306,988- (No model.)

between the sides B B to the under side of the head of the rail A, and a small boss or lug a extends up above the top of the chair and fits into the space beneath thetread of the rail, so that a solid bearing is obtained therefor. In single chairs the ribs E are cast about in the center of the chairs and offset where the bolt passes through them, and in double chairs on each side or end. The double chairs are also provided wit-ha bracket projection G, extending from each end, as shown, to form a long bearing for the ends of the rails, and I prefer to form the upper portion C slightly tapering inward, as shown in Fig. A, which represents the upper end of a double chair and rail before the bolt is tightened up. It

will be seen that when the boltD is tightened up the pendent sides 13 of the rail will be drawn into contact with the sides 0 and will form, as it were, a dovetail, so that it will be impossible for the rail to spring up, and thetension on the bolts will prevent them from working loose. The upper ends of the single chairs may be formed tapering, if desired.

The chairs may be secured to sleepers, as shown, or embedded in the ground. In case the chairs 0 are embedded in the ground, the bolts D may be made in the form of tie-rods, so as to hold the rails to the proper gage; but when the chairs 0 are secured to wooden sleepers by lag-screws, as shown, the tie-rods may be dispensed with.

It will be readily seen that a road-bed constructed according to this invention will be Very substantial, as the rails have a bearing on the chairs their entire width, and the chairs being of one piece of iron and ribbed in the way shown will make very strong supports for the rails.

It will also be seen that this form of roadbed can be easily constructed and repaired, and that paving on slightly settling cannot fall under the head and flanges of the rail, as is the case with girder-rails of the common form having a central vertical rib.

It will also be seen that I can cast the two chairs together by carrying the base and a part of the inside ribs from one chair to the other, thus forming a gage for the truck.

Having thus described my invention, what I claim is=== 1. A chair for supporting street-railway rails having pendent sides, said chairs consisting of longitudinal standards with a web between them, and said standards being continued across the top of the chair to form a rest for the head or top of the rail and extending outward on both sides at the base of the chair to form feet to rest upon the sleeper, and brackets between the feet and standards, substantially as shown.

2. A chair for supporting street-railway rails having pendent sides at right angles to the tread, consisting of a standard that is formed to fit under the top and between the pendent sides of the rail and a boss or lug to fitunder the tread, and having a central strengthening-web ofiset where the bolt passes through said chair and a broad bearing-to rest upon a sleeper and be secured to same, substantially as shown.

3. A chairrnade of the form shown, having bracket projections and ribbed for support-F ing the ends of two adjacent rails made with pendent sides, said rails being secured over the upper ends of said chairs by bolts passing through the pendent sides of said rails and near their lower edges and through the upper sides of said chairs, whereby the ends of said rails are held by an inward pressure over the dovetailed upper ends of said chairs, as and for the purposes set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

REYNOLDS T. WHITE.

'Witnesses:

EDWARD HOBBS, HARVEY BELL.

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