US1140497A - Ore-car. - Google Patents

Description

W. C. CARR.

ORE CAR.

APPLICATION FILED APR. I9, 1913.

Patented May 25, 1915.

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Inventor.

Witnesses. MZa/L 00m ay.

THE NORRIS PETE'ks'pQ. PHOTO-LITHQ, WASHINGTON. n. c

W. C. CARR.

ORE CAR.

APPLICATION FILED APR. 19, 1913.

1,140,497. Patented May 25, 1915.

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THE NORRIS PETERS C0,, PHOTD-LITHQ, WASHINGTON. D. C.

WILLIAM C. CARE, OF BUFFALO, NEW YORK.

ORE-CAR.

Application filed April 19, 1913.

To all whom it may concern Be it lmown. that I, WILLIAM G. CARR, a citizen of the United States, residing at Buffalo, in the county of Erie and State of New York, have invented certain new and useful Improvements in Ore-Cars, of which the following is a specification.

This invention relates to improvements in cars for transporting ore and like materials and primarily to an extremely quick acting and very efficient braking means which includes a series of flat brake shoes adapted to be forced into contact with the surface of the rails and equalizing means for equalizing the pressure applied to said shoes.

, The principal object of the invention is to provide a very effective brake for the purpose of slowing down and controlling the speed of cars which are heavily laden on eX- tremely deep grades.

Another object is to so connect the shoes to each other that the pressure of the same against the rails will be practically equal.

The invention also relates to certain details of construction which will be hereinafter described and claimed, reference being had to the accompanying drawings in which a preferred adaptation of the invention is shown.

Figure 1 is a side elevation of a car equipped with the improved braking means and also showing the fragmentary elevation of a track and its supports. Fig. 2 is an end elevation of the car, the track being shown in section. Figs. 3, and 4 are detailed views of one of the brake shoes and the angular lever to which it is pivoted. Figs. 5 and 6 are detached detailed views of the equalizing lever and its pulleys with a fragment of the equalizing connecting cable.

In referring to the drawing in detail, like numerals designate like parts.

In the adaptation of the invention shown, 1 designates the elevated rails and 2 the vertical standards which are mounted at intervals in the ground and are provided with forked upper members to which the rails are fastened.

The forked upper members each consist of vertical end portions, 3, and a substantially horizontal connecting portion 4whioh extends between and connects the end portions.

The type of car shown in the accompany- Specification of Letters Patent.

Patented May 25, 1915.

Serial No. 762,284.

ing drawings is utilized for various purposes, for instance, for transporting coal, iron ore or other ores from the mine to a steam railway, and as the country surrounding mines of this character, especially mines located some distance from a steam railway, is usually quite hilly or mountainous, it is necessary to provide simple, strong and efiicient means for controlling or slowing the speed of the car on some of the track grades owing to the undulating character of the country.

The car illustrated in the accompanying drawings consists of a body, 5, a frame, 6, on which said body is mounted and axles, 7, journaled in the frame and having flanged wheels, 8, mounted on their ends which are adapted to track on the rails 1 as shown in Fig. 1.

This improved braking means consists of a plurality of brake shoes which are supported from a car and are adapted to be forced down upon the top surface of the rails on which the car travels.

In the preferred adaptation of the invention illustrated four brake shoes are employed, being arranged in pairs and lo- (fiated1at each corner of the car, as shown in As the brake shoes and their supporting arms are identical, a detail description of one will suffice for all.

The brake shoe consists of a body, 9, having an outer flange, 10, and a top longitudinally extending rib, 11.

The angular lever from which the shoe is supported has an upper portion, 12, which is pivoted at its lower end to the car body by a pivot pintle, 13, a curved portion, 14, which curves laterally from the lower end of the upper portion, 12, and then downwardly and a lower portion, 15, that is fastened to the lower end of the curved portion, 14.

The lower ends of the curved portion, 14, and the upper end of the lower portion, 15, are provided with opposed flanges, l6 and 17, through which bolts are passed to fasten the members together and a plate, 18, of insulating material is placed between the flanges to prevent the passage of the electric current.

The body of the lower portion, 15, is in the form of a fork or bifurcation, and the central portion of the rib, 11, on the brake shoe is widened and fitted between the members of the fork being pivoted in place by a pin, 19.

The brake shoes and their supporting arms are arranged in opposed pairs and are connected to each other by a flexible connection or wire cable, 20, the opposite ends of which are connected to the upper ends of the upper portions, 12, of the angular levers.

The wire cable is preferably divided into two portions and a turn buckle, 21, is used to connect the two portions to provide means for varying the cable in length.

The'opposed brake shoes are moved downward into contact with the rail by moving the upper portions of the levers toward each other. This is accomplished by an arm, 22, which is pivoted at its lower end to the side of the car body by a pivot, 23, and is provided with a transversely extending lower portion, 24:, at the opposite ends of which two grooved rollers, 25 and 26, are respectively and rotatively mounted on pins, 27. The wire cable, 20, passes loosely under the roller, 25 and over the roller, 26, as will be noted by referring to Fig. 1. The upper portions, 12, are drawn toward each other to move the brake shoes downward against the rail surface by turning the arm, 22, toward 30 the left on its pivot. This may be performed either by a manually operated mechanism or by some power operated mechanism. For instance, in the adaptation shown, a wire cable, 28 is fastened at one end to theupper end of the arm, 22, and at its other end to a C'opies of this patent may be obtained for a brakeman on the car.

A coiled spring, 32, is fastened at its respective ends to the car body and the angular lever and serves to maintain the brake shoes normally in an elevated non-brakingposition.

The chief advantages of the improvement are that it is very simple and strong in constructionand extremely quick and eflicient in action and that it possesses great braking powers.

I claim In combination, a track-traveling car, angle levers mounted adjacent the respective ends of the car, brake'shoes, a flange member pivotally connected to the brake shoes, means for connecting said flange members to the angle levers, insulating material in terposed between said flanges and angle levers, a flexible element connecting said levers, means for adjusting the length of said element, an operating arm pivotally mounted intermediate said levers, and spaced rollers carried by and movable with said arm,

said arm being normally held to position one of said rollers above and other below said element.

Witnesses:

RosALIE E. CARR, CHARLES J. FORAN.

Washington, D. 0.

WILLIAM' C. CARR.

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