US614769A - Draw-bar for railway-cars - Google Patents

Description

Patented Ndv. 22,- I898.

S. E. SECOY.

DRAW BAR FOR RAILWAY CARS.

(Application filed Aug. 31, 1897.)

(No Model.)

G No: wel s FFIQE.

PATENT SAMUEL E. SEOOY, OF MARION, OHIO, ASSIGNOR OF THREE-EIGHTHS TO JOHN E. OANNADAY AND HARRY BENTON OANNADAY, OF ANDER- SON, AND IIATTIE V. BRAGG, OF RICHMOND, INDIANA.

DRAW-BAR FOR RAILWAY-CARS.

SPECIFICATION forming part of Letters Patent No. 614,769, dated November 22, 1898.

Application fil d A t 31, 1897. Serial No. 650,194. (No model.)

To (tZZ whom, it may concern.-

Be it known that I, SAMUEL E. SEooY, a citizen of the United States, and a resident of Marion, in the county of Marion and State of Ohio, have invented certain new and useful Improvements in Draw-Bars for Railway- Oars; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification.

My invention relates to safety devices for the draw-bars of automatic car-couplers; and its object is to provideimproved means whereby should the draw-bar become unfastened from the car the cars will be automatically uncoupled and the draw-bar also be prevented from falling onto the track.

The invention consists in the novel construction and combination of parts hereinafter fully described and claimed.

In the accompanying drawings, Figure 1 is a plan view showing a draw-bar constructed in accordance with my invention, Fig. 2 is a longitudinal section of the same, showing the parts'in position when in use, the dotted lines showing how the lock is elevated to allow the jaws to be coupled and uncoupled. Fig. 3 is a similar View showing the position the parts would assume should the draw-bar be unfastened from the car. Fig. 4 is a side view of the locking-bar. Fig. 5 is a bottom view of the same. I

In the said drawings the referencenumeral 1 designates a hollow or chambered draw-bar rectangular in crosssection and formed at the front or outer end with jaws 2, to one of which is pivoted the knuckle of the coupler and the other of which is engaged by the pivoted knuckle of an adjoining car. In rear of these jaws is a vertical pin 3, pass ing through a hole in the upper side of the draw-bar. The lower end of this pin is provided with an extension 4, formed witha slot 5. vVorking in this slot is a pin 6, carried by an arm 7 on the front or outer end of a locking-bar 8. This bar has its front end beveled, as seen at 9, and is designed to engage with the point of the knuckle of the coupler and hold the knuckles securely coupled together until said bar is removed from engagement with said point. The rear end of this bar is formed with rounded head 10, which works in a curved socket 12 in a block 18, forming a ball-and-socket joint. This block is formed on opposite sides with pins 14:, which work in inclined slots 15 in the sides of the draw-bar. Connected with these pins, which project beyond the sides of the draw-bar, are chains 16, the other ends of which are secured to the car. Vhen the draw-bar is in use or proper working condition, these chains are slack, as seen in Fig. 2. Formed on the underside of said block are rounded or curved lugs or ribs 17, which when the parts are in the position shown in'Fig. 2 seat in a recess 18 in the bottom of the draw-bar. These lugs are formed with holes 19, through which and corresponding holes in the draw-bar passes a key or pin 20. This key is simply to hold the block in place under ordinary circumstances and will break in case the draw-bar becomes unfastened,as hereinafter described.

The operation is as follows: As the cars approach each other the pin 3 is elevated, so as raise the locking-bar 8 to allow the knuckles to couple. The pin and bar are then allowed to drop, so that the beveled end of the bar will engage with the point of the knuckle, and thus hold the knuckles securely coupled together. The parts will now assume the position shown in full lines, Fig. 2.

In case the draw-bar should become unfastened from the car it will be pulled forward until the slack of chains 16 is taken up, when the latter will pull upon the block, breaking the key 20 and drawing the block back, as seen in Fig. 3, and also drawing the lockingbar away from the knuckle, so that the latter will swing out and cut the train apart. The draw-bar will also be prevented from falling onto the track by means of the chain. The purpose of the slotted extension 4 of pin 3 is to prevent injury of the pin when the locking-bar is drawn back, the pin of said bar working in the slot.

From the above it will be seen that accidents from the draw-bars becoming unfastened and falling on the track, as is now frequently the case, is entirely obviated, as the car will be automatically uncoupled should the draw-bar become unfastened, and the latter is also prevented from falling upon the track.

Having thus fully described myinvention, what I claim is- 1. The combination with the chambered draw-bar, having an inclined slot in its sides, of the slidable block provided with pins projecting through said slots, the chains connected With said block, the locking-bar pivotally connected With said block and means for elevating said locking-bar, substantially as described.

2. The combination with the chambered draw-bar, having inclined slots in its sides and a curved recess in its bottom, of the slidable block, the pins secured thereto projecting through said slots, the chains connected therewith, the rounded lug or rib on the under side of said block engaging with the said recess in the draw-bar, the locking-bar pivotally connected with said block and means for elevating the same, substantially as described.

3. The combination With the chambered draw-bar, having inclined slots in its sides, and a curved recess in its bottom, of the slidable block, the pins secured thereto projecting through said slots, the chains connected therewith, the rounded lug or rib on the under side of said block seated in said recess, the key passing through said lug and through the sides of the said recess, the locking-bar pivotally connected With said block and means for elevating the same, substantially as described.

4. The combination with the chambered draw-bar, the slidable block, the pivoted locking-bar, the arm secured thereto and the pin secured to said arm, of the elevating-pin provided with an extension formed with a slot with which the pin on said arm engages, substantially as described.

5. lhe combination with the chambered draw-bar, having inclined slots in its sides and a rounded recess in its bottom, of the slidable block, the pins and chains connected therewith, the rounded lug on said block, the key, the locking bar connected with said block by a ball-and-socket joint, the arm at the front end of said bar, the pin secured thereto and the elevating-pin having a slotted extension, substantially as described.

In testimony that I claim the foregoing as my own I have hereunto afiixed my signature in presence of two witnesses.

SAMUEL E. SE( 01.

Vitnesses:

JOHN C. JOHNSTON, Tnos. J. DAVIES.

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