US460426A

US460426A - canda

Info

Publication number: US460426A
Authority: US
Publication date: 1891-09-29
Anticipated expiration: 1908-09-29

Description

(No Model.) 2 Sheets-Sheet 1. F. E. CANDA. DRAW BAR AND SPRING.

Patented Sept. 29,1891.

lllil l-alll IV E IN VE N TOR 5163mm u/n/n A TTORNE YS (No Model.) 2 Sheets-Sheet 2.

- F. E. GANDA.

DRAW BAR AND SPRING.

Patented Sept. 29, 1891.

I INVENTOH: Z d am ATTORNEYS rm: wows MYERS :n., mom um UNITED STATES PATENT ()FFICE.

FERDINAND E. OANDA, OF NEIV YORK, N. Y.

DRAW-BAR AND SPRING.

SPECIFICATION forming part of Letters Patent No. 460,426, dated September 29, 1891.

I Application filed May 4,1891. Serial No. 391,456. (No model.)

To all whom it may concern:

Be it known that I, FERDINAND E. OANDA, of New York city, in the county and State of New York, have invented a new and Improved Draw-Bar Attachment for Railroad- Cars, of which the following is a specification, reference being had to the annexed drawings, forming a part thereof, in which Figure 1 is a perspective view of the draw bar case. Fig. 2 is a transverse section of the draw-bar and its case. Fig. 3 is a transverse section of a modified form of the case, the section being taken through the springs. Fig. 4 is a longitudinal section. Fig. 5 is a plan View with the cover removed. Fig. 6 is a plan view of a modified form, and Fig. 7 is a transverse section of the same.

Similar letters of reference indicate corresponding parts in all the views.

The introduction of heavy-tonnage cars on the various railroads has caused much difficulty in proportioning the draft-rigging to meet the increased strain to which the same is subjected. Many of the devices in use are objectionable in point of strength and stability and also in the matter of repairs and maintainance of the various elements constituting the draft-rigging-viz., the draft-timbers, the spring-case, the followers, the keys, the tail-bolt, (or equivalent-strap,) together with the draw-bar, and other parts.

The object of my invention is to construct a spring-case having the greatest possible strength and of such form as to secure the best anchorage to the draft-timbers, while at the same time it is easily accessible for the renewal of the springs, followers, and other parts which frequently break without the necessity of having to take the case down to make such renewals or repairs.

To accomplish this, I construct the case A with the sides a extending the entire length of the case, the end stops b, which control the travel of the follower-plates, being an integral part of the case. Opposite sides of the case are provided with transverse ribs 0, which are gained into and bolted to the draft-timbers. To the sides and lugs of the case is attached the bottom plate B, which is provided with recesses d near opposite edges to receive the projections e on the lower edges of the sides of the case. In some cases I find it advantageous to make the side pieces sepa rate and apply top and bottom plates, as shown in Fig. 3. The interlocking of the plates and side stops and the supporting vertical bolts impart to the case nearly as much strength as it would have if constructed of one single piece of metal and without occasioning any undue strain. I prefer to make the top plate integral with the sides where the strap 0 is used, the lower plate only being separate, as shown in Fig. 1. In the'case are placed followers D D, having flanges f, which engage the end stops Z), and between the inner flanged ends of the followers within the casing A are placed spiral springs g h under compression. \Vhere the strap C is employed for taking the strain of the draw-bar E, the followers are provided on their inner ends with bosses i, adapted to receive the ends of the inner spring h, and a bolt j passes through the followers and the springs; but where the tail-boat F is used and the strap is omitted the said bolt is of sufficient diameter to receive the inner spring, and the rear or inner end of the bolt is furnished with a mortise, in which is inserted the key it, said key passing between guides Z, projecting from the rear end of the rear follower D. In this case the head of the tail-bolt is swiveled in the drawbar, as shown in Fig. 6. To lighten the followers and at the same time to increase their strength, they are corrugated in a longitudinal direction, as indicated in cross-section, Fig. 2, the central portions of the sides of the followers being thickened to increase their strength. This latter construction prevents the tail-bolt from turning with the stem of the draw-bar, which ultimately cuts it out and occasions serious expense for repairs. The key-guides also prevent the keys from occupying other than a vertical position.

My improved casing permits of removing the parts of the draw-bar without the necessity of disturbing the draft-timbers or other parts of the draft-rigging, thereby saving expense in making repairs or alterations. This construction secures great strength in the parts connected with the draft-rigging.

Having thus described my invention, I claim as new and desire to secure by Letters Paton?- 1. In a draw-bar attachment for railroad= cars, a spring-casing formed integrally with a single casting having a closed top and an open bottom and constructed for attachment to the longitudinal draft-timbers, substantially as herein shown and described.

2. In a draw-bar attachment for railroadcars, the combination,with the draft-timbers, of a spring-casing permanently attached to the timbers and provided with a removable bottom plate extending the entire length of the casing and locked to the sides of the easing, substantially as specified.

3. In a draw-bar attachment for railroadcars, a cored longitudinal corrugated follower, substantially as specified.

4. In a draw-bar attachment for railroadcars, a cored longitudinal corrugated follower having its sides thickened at or near the middle thereof, substantially as specified.

5. In a draw-bar attachment for railroadcars, the combination, with the tail-bolt, of means, substantially as described, for preventing the turning of the bolt, as set forth.

6. In a draw-bar attachment for railroadcars, the combination of a mortised tail-bolt adapted to receive the pulling strain, and a follower furnished with key-guides for preventing the tail-bolt from turning, substantially as specified.

7. In a draw-bar attachment for railroadcars, a spring-casing adapted to be permanently attached to the draft-timbers and provided with one or more removable plates thatlock with the sides of the casing, substantially as and for the purposes herein shown and described.

FERDINAND E. CANDA.

WVitnesses:

E. M. CLARK, FPW. HANAFORD.