US2656046A - Mine coupler - Google Patents

Description

C. N. RYDIN Oct. 20, 1953 MINE' COUPLER 3 Sheets-Sheet l Filed July 29, 1949 lill;

AT TORNE S oct. 20, 1953 C, N, RYDlN 2,656,046

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ATTO NEYS C. N. RYDIN Oct. 20, 1953 MINE COUPLER s sheets-sheet s Filed July 29, 1949 INVENTOR CA?. RYDIN BY 3l ,winni IHHHIM" WMM,

A ORNEY Patented Oct. 20, 1.953

UNITED STATES kATENT OFFICE IVIINE COUPLER Carl N. Rydin, Warrenville, Ill.

Application July 29, 1949, Serial No. 107,457

1 Claim. 1

This invention appertains to car` couplers and more particularly to couplers of a type especially adapted for mine cars, railroad motor cars and the like.

One of the primary objects of my invention is to provide a coupler having a novel jaw and knuckle construction, whereby meeting couplers of cars are quickly and automatically locked.

Another object of my invention is to provide a coupler so constructed that disengagement of the jaws of mating couplers is prevented incident to the travel of cars over high or low portions of a railroad track.

Another salient object of the invention is to provide a car coupler having a jaw receiving chamber therein functioning to limit the up and down movement of a mating coupler jaw, the walls of the chamber forming faces to facilitate the guiding of the jaws of meeting couplers to their interlocking position.

A further object of the invention is to provide spring means for normally urging and holding the jaws or knuckles in their locked position and to provide means whereby the springs and jaws can be quickly replaced if damaged or broken.

A further object of the invention is to provide means for holding the coupler jaws in place and in coupled position should the pivots for said jaws break or become accidentally displaced through any reason.

With these and other objects in view, the invention consists in the novel construction, arrangement and formation of parts, as will be hereinafter more specically described and claimed and illustrated in the accompanying drawings, in which drawings,

Figure l is a fragmentary plan view of a pair of cars equipped with the novel couplers and draft rigging, parts of the view being shown in longitudinal section and said section being taken on the line I I of Figure 2, looking in the direction of the arrows.

Figure 2 is a vertical sectional view taken on the line 2 2 of Figure l, looking in the direction of the arrows.

Figure 3 is a fragmentary horizontal sectional view through mating couplers, the section being taken on the line 3 3 of Figure 2, looking in the direction of the arrows, the View being on a larger scale than Figures 1 and 2.

Figure 4 is a transverse sectional view taken on the line d ll of Figure 3, looking in the direction of the arrows.

Figure 5 is a fragmentary detail vertical sectional view taken on the line 5 5 of Figure 3,

2 looking in the direction of the arrows illustrating the construction of the pivot pin and the means for holding a coupler jaw or knuckle in position, should the pivot pin become displaced.

Figure 6 is a fragmentary vertical longitudinal sectional view through adjacent couplers taken on the line 6 6 of Figure 3, looking in the direction of the arrows.

Figure 7 is a top plan View of one coupler showing its jaw or knuckle in a retracted, un-

coupled position, parts of the figure being shown broken away.

Figure 8 is an end elevational View of one of the couplers, with the knuckle retracted.

Figure 9 is a detail plan view of one of the coupler jaws or knuckles, said view being on a greater scale than Figures 1 and 2, but on a smaller scale than Figures 3 to 8J inclusive.

Figure 10 is an inner side elevational view of the coupler jaw shown in Figure 9.

Figure 11 is an outer side elevational View of the coupler jaw shown in Figures 9 and 10.

Referring to the drawings in detail, wherein similar reference characters designate corresponding parts throughout the several views, the numerals IE5 and I5 indicate a pair of companion couplers, which are carried by the adjacent ends or cars Il and i8, by draft rigging I9 and 20.

The couplers are each of identically the same construction and hence only one of said couplers will be described in detail.

Each coupler includes a shank 2l, and an integral hollow coupling head 22. Rockably mounted within the hollow head 22 is a coupling knuckle 23. Formed on the inner end oi the knuckle 23 is a vertically extending hinge barrel 2li. To facilitate assembling and to reduce cost of manufacture, the bore 25 through the hinge barrel is of an oval shape in cross section. The head itself, substantially at its longitudinal axis is provided with upper and lower bearing openings 25 and 2l', of a substantially circular shape in plan. A sturdy pivot 28 is provided for rockably connecting the knuckle with the head and the bore 25 is adapted to register with the openings 23 and 2l for the reception ci the pivot pin 2S. The pivot pin for the major portion of its length is of an oval shape in cross section to correspond to the cross sectional conguration of the bore 25, and the pivot pin adjacent to its opposite ends is of a circular shape in cross section for turning movement in the bearing openings 26 and 2l. The pivot pin also preferably tapers toward its lower end so as to permit the ready insertion of this pin in the ears 66 with the top wall 6I of the bracket directly in rear of the transverse brace bar 6l'. Also forming a part of the bracket 59 is a front flange or wall lil, and the same is rigidly connected with the top wall 6| and the side walls B0. This front wall 'i9 and the inner or rear wall 62 are provided respectively with aligned guide openings ll and l2. The drawbar 5l slidably extends through these openings and through inner and outer guide thimbles "i3 and lll, which are also mounted for movement in the openings 'Il and l2. The outer thimble i3 bears against a par; of the drawhead 55 and the inner end of the tnimble is provided with an annular flange 15, which normally engages the inner face of the front wall lil. The inner thimble iii also has formed therein an annular flange T3, which normally engages the inner face of the rear wall 62. A washer ll and a nut i9 are placed on the inner end of the drawbar 5l for engagement with the thimble 14. An expansion spring 'I9 is coiled about the drawbar 91 and is confined between the thimbles 'f3 and 74.

It can be seen that upon the coming together of couplers that shock will be absorbed due to the inward movement of the thimble 'I3 against the tension of the spring 79. Shock Will be absorbed on the outward pulling movement of the couplers due to the movement of the thimble 14 against the tension of the spring 19.

From the foregoing description, it can be seen that I have provided a novel coupler head especially suitable for mine and like cars.

Changes in details may be made without departing from the spirit or the scope of this invention, but what I claim as new is:

In a coupler, a hollow coupler head having a forwardly projecting tapered guide nose on one side of its longitudinal axis and a nose receiving recess on the opposite side of its longitudinal axis, the inner face of said nose having an opening communicating with the interior of the hollow head, a knuckle received in said head having a hinge barrel on its inner end and a jaw on its outer end, pivot means connecting the barrel with the head, said knuckle intermediate the barrel and jaw being provided with a guide opening, a guide rod slidable in said opening, a stop on the inner end of said rod, tension means on said rod interposed between the stop and knuckle, and the outer end of said rod having a head, one wall of said opening in the nose being provided With a slot for receiving the rod and a. seat for the head.

CARL N. RYDIN.

References Cited in the le of this patent UNITED STATES PATENTS Number Name Date 164,698 Stamour June 22, 1875 335,611 Moorman Feb. 9, 1886 436,336 Chesnut Sept. 16, 1890 1,430,659 Larsson Oct. 3, 1922 1,452,541 Willoughby Apr. 24, 1923 1,564,400 Averill Dec. 8, 1925 1,951,021 Stow May 29, 1934 2,162,390 Rydin June 13, 1939 2,320,619 Larsson June 1, 1943

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