US715728A - Coupling for tender, &c. - Google Patents

Description

m. 75,728. Patented Dec. 9, I902.

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COUPLING FOR TENDERS, &c.

(Applicdtion filed. June 23, 1902.)

(No Model.) 2 Sheets-Shea: I.

fivgzisssm v a). EIAIVENTOR'Z 24, mm.

Patented nee. 9. I902.

' W. WRIGHT.

COU PLING FOR TEN 0 E38, &c.

(Application filed June 23 1902.)

2 Sheets-Shae 2.

(No Model.)

WlTN ESSES lqweu'ron UNITED STATES PATENT OFFICE.

WILLIAM WRIGHT, OF PITTSBURG, PENNSYLVANIA, ASSIGNOR TO THE MCCONWAY & TORLEY COMPANY, OF PITTSBURG, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

COUPLING F-oR TENDERS, 84o.

SPECIFICATION forming part of Letters Patent N 0. 715,728, dated December 9, 1902.

Application filed June 23,1902.

and locomotives. On account of the construction of the frame of the engine and tender the couplers are generally secured to the transverse end sills or buffing-beams of the engine and tender in such manner as to prevent any material lateral swing of the coupler as a train passes around a curve, so that the coupling mechanisms are subjected to very injurious strains, especially when the curves are of short radius.

The invention described herein has for its object a construction whereby considerable lateral movement of the coupler is permitted and the latter will be automatically returned and held in mid-position.

The invention is hereinafter more fully described and claimed.

In the accompanying drawings, forming part of this specification, Figure 1 is a top plan view of my improved coupling mechanism. Fig. 2 is a sectional'elevation of the I same, on an enlarged scale, the plane of section being indicated by the line II II, Fig. 1; and Fig. 3 is a sectional detail view.

In the practice of my invention asocket 1, having a base-flange 2, is secured to the end sills or buifer-beams of the tender or engine by means of bolts passing through said flange and into the beams. Within this socket is pivoted a draft-bar 3, being held in position by a pin 4 passing through the upper and lower walls of the socket and the end of the draft-bar 3. To the outer end of the draftbar the coupler 5 is pivotally connected by means of a pin 6, said head being provided with a tongue 7, projecting rearwardly from the pivotal point intoan opening or recess formed in the draft-bar. This tongue bears upon ribs 8, formed in the draft-bar and serves as a support vertically for the coupler-head,

Serial No. 112,841. (No model.)

ing so arranged and constructed as to come into contact with each other before the supporting tailpiece 7 will strike against the sides of the draft-bar. In order to hold the draft-bar and coupler in a central position and at the same time permit a lateral movement of the draft-bar and coupler as trains pass around a curve, I provide resilient bearings on each side of the draft-bar, such bearings being placed under sufficient tension to hold the coupler-head as against lateral movement during a coupling of a car to the tender or engine. A convenient construction for this purpose consists of rods 10 and 10 pivotally connected to opposite sides of the draft-bar or coupler and extendingthrough sockets 11 ll, pivotally mounted upon the main socket 1. Springs 12 and 12 are arranged around the rods 10 and 10 and have their inner ends arranged within'the sockets 11 and 11*, While their outer ends are arranged within sockets 13 and 13*, secured tothe rods in any suitable manner. By this construction when the draft-bar is shifted for any reason in one direction-say to the right in Fig. 1-the spring 12 on the left of the coupler or draft-bar would be subjected to a compressive strain, so that when the coupler or draft-bar is relieved from its lateral pressure spring 12 will pull it back to normal position. During the movement of the draftbar or coupler to the right the rod l0 will simply slide through the socket 11 and re lieve the tension on the spring 12. By pivotally mounting the sockets 11 upon the main socket or support and having the rods 10 pivot-ally connected to the draft-bar no lateral twisting or strain will be applied to any of these parts. While not necessary, it is preferred to limit the lateral movement of the draft-bar or coupler by means of stops 14: and 145, formed on the inner walls of the main socket, as shown in Fig. 1.

It will be observed that the lower wall of the main socket 1 extends out a considerable distance and forms a vertical supportingledge for the draft-bar and coupler, so that.

the main pivot-pin 3 will not be subjected to undue lateral strains.

Couplers for tenders have heretofore been constructed with arms arranged parallel with the draft stem or link and springs interposed between the arms and the stems. This construction is in most cases undesirable on account of the friction between the sides of the stems and the bearing-plates of the springs or cushions When the coupler and stem are swung laterally, and, further, by the interposition of the springs between the arms and stem the latter can have but small lateral movement. It is characteristic of my improvement that the rods and cushions are so arranged that there will not be any friction when the coupler is swung laterally, and, further, as the points of bearing, of the springs on the socket are in the rear of the points of connection of the rods l0 to the stem or draft-bar and the springs are normally under considerable tension these devices form part of the draft mechanism and in case the pin 4 is broken can support the entire strain.

I claim herein as my in vention- 1. A coupler mechanism for tenders, &c., having" in combination, a supporting-socket, a draft-bar pivotally mounted in the socket,

a coupler-head carried by the draft-bar and oscillating cushions arranged on opposite sides of the draft-bar, substantially as set forth.

2. A coupler mechanism for tenders, 650., having in combination, a supporting-socket, a draft-bar pivotally mounted in the socket, a coupler-head, spring seats or sockets pivotally mounted on the supporting-socket, rods connected to the draft-bar and springs having bearings on the rods and the seats, substantially as set forth.

3. A coupling, mechanism for tenders having in combination a separate socket, a draftbar pi votally mounted in the socket, a coupler-head pivotally mounted on the draft-bar and yielding connections from the draft-bar to the socket, substantially as set forth.

4. A coupling, mechanism for tenders, &c., having. in combination a supporting-socket, a draft-bar pivotally mounted in the socket, a coupling-head carried by the draft-bar, cushions arranged oulside of the socket and connected to the draft-bar, substantially as set forth.

In testimony whereof I have hereunto set my hand.

WILLIAM WRIGHT.

Witnesses:

DARWIN S. WOLCOTT, F. E. GAITHER.

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