US1293300A - Draft-rigging. - Google Patents

Description

D. S. BARROWS.

DRAFT RIGGING.

APPLICATION FILED JUNE 30.1917.

Patented Feb. 4, 1919.

DONALD S. BABROWS, OF ROCHESTER, NEW

COMPANY, OF ROCHESTER, NEW

YORK, ASSIGNOR TO THE T. H. SYIVIINGTON YORK, A CORPORATION OF MAINE.

DRAFT-RIGGING.

i 2933MB.

Specification of Letters Patent.

Application filed June 30, 1917. Serial No. 177,855.

To all whom it may concern:

Be it known that I, Doxano S. Bannows, a citizen of the United States. residing at Rochester, State of New York, have invented certain new and useful Improvements in. Draft- Rigging; and I do hereby declare the following to be a full. clear. and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The invention relates to the art of railway draft rigging and more particularly to a follower block designed for use with that type of draft rigging, in which one or more of the movable elements are operatively'connected to the car coupler by means of a transversely extending key.

The principal object of my invention is to provide a key receiving follower block having its end walls or faces connected by a plurality of webs or flanges so arranged and disposed with. reference to the end walls, that the follower block while being comparatively light in weight is nevertheless sufliciently strong to adequately resist all loads to which it may be subjected in service. To this end. the main feature of the invention. broadly stated, comprises a key receiving follower block in which the load placed upon the block in service is transmitted from face to face by a plurality of webs or flanges preferably arranged so as to form a hollow column, the walls of the column extending in the direction of the applied force so as to thereby obtain the greatest strength with the least weight of metal.

There are other featuresof the invention relating to form and details of construction of the device as will be ap arent from the more detailed description of taken in connection with the accompanying drawings which have been chosen to illustrate the invention, and in which:

Figure 1 is a top plan view of a portion of a car underframe showing a key connected draft rigging which embodies the invention,

Fig. 2 is a side elevation of one of the follower blocks,

Fig. 3 is a transverse vertical section on line 3-3 of Fig. 2, and

Fig. 4 is a top plan view of the follower shown in Fig. 2.

in the county of Monroe and the same when I Throughout the specification and drawings like parts are designated by like reference characters.

While I have for convenience illustrated Patented Feb. 4L, 31%119. I

my invention in connection with the key a connected draft rigging of the type shown and described in the patent to Wright ct al., No. 841,757, it is to be understood that I do not limit my invention to this form of draft rigging.

The numeral 1 designates the car coupler, 2, 2 are the draft sills to the inner faces of which by means of the rivets 3 are connected the cheek plates 4. The numeral 5 designates a cementional form of tie casting connected to the inner faces of the draft sills 2 adjacent the inner ends of the cheek castings 4 by the rivets 3. The draft links 6, 6 which may be employed in place of the equivalent yoke, serve to operatively connect the coupler to the draft rigging, these links are each preferably provided adjacent their opposite ends and on their inner or adjacent faces with inwardly extending bosses or shoulders 7. 7 to provide a larger bearing area at the ends of the links to engage the adjacent edges of the draft keys. The rear end of the coupler shank is adapted to contact normally with the forward face of the front follower 8. the inner or rear face of this follower being adapted to contact with the cushioning mechanism. which may be of the type shown comprising outer and inner coiled sprin s 9 and 10, respectively. The forward ace of the rear follower 11 is adapted to engage the rear end of the cushioning mechanism.

In order to operatively connect the draft rigging to the draft sills, a plurality of transversely extending draft keys 12 are provided, the forward key being adapted to extend through alined slots in the coupler, draft links, cheek plates and draft sills. Likewise, the intermediate and rear keys are each adapted to pass through the adjacent follower and through alined slots in the draft links, cheek plates and draft sills.

Since the followers 8 and 11 are substantially identical except for the slight taper indicated at 13 on the rear follower 11, which taper is provided to enable the sides of the follower block to clear the bosses 7 on the adjacent faces of the draft links 6,

when links provided with bosses are used. it will be only necessary to describe one of these followers. As shown in the detail views of the front follower 8, each follower is preferably provided with a pair of spaced end walls 14, 15, which may be provided on their opposite faces with circular lugs or projections 16 and 17, 17, respectively. The lug 16 may serve as a centering mechanism in connection with the usual aperture.

in the coupler stem, while the lugs 17 are adapted to serve as centering membersfor the springs of the cushioning mechanism. The end wall 14 is preferably adapted to conform to the rear end of the coupler stem, while the face 15 may, for example, be extended vertically as shown to enable the same to cooperate with .the type of cushioning mechanism here illustrated.

The end walls or faces 14 and 15 are preferabl connected by a plurality of upright we s or flanges 18, 18, WlllCh form the side walls of the follower block, these flanges 18 are connected to the respective end walls adjacent the lateral edges thereof and are each provided with an alined keyreceivin slot 19. The slots 19 may be, and pre erably are, surrounded on the outer faces of the flanges'18 with a reinforcing rib or boss 20. A pair of transversely extending flanges 21, are suitably connected to the end walls 14 and 15 intermediate the said upright flan es 18, 18, these flanges 21 are also preferably connected, respectively, to the upper and lower edges of the said flanges 18.

The side walls or flanges 18 and the transversely extending flanges 21 form a column which extends from the front to the rear face or wall of the follower block, the said column is, as will be observed, from .Fig. 3, preferably substantially rectangular in cross section. The upright wal s of the column extending between and bracing the lateral edges of the two end walls, while the transversely extending flanges 21, which form the upper and lowerfaces or walls of the column, extend from the upper and lower edges of the front face 14 to the points or places on the rear face 15 where the load is transmitted to or from, as the case may be, the cushioning mechanlsm.

The alined slots 19, 19 in the side walls or upright flanges 18 may be connected by a centrally arranged and apertured brace 22, which preferably extends from, and is connected to, the central portions of the front and rear walls 14 and 15,-respectively, of the follower block. 7

To brace and strengthen them the' transversely extending flanges 21, are each preferably provided with a plurality of vertically extendin webs 23 which are located intermediate '0 e side walls 18. These webs menace 23 extend from the outer faces of the flanges 21 to the portions of the adjacent end wall 15 which project above and below the points of intersection of the same with the said flanges 21, A series of vertically extending flanges 24 may be provided to connect the adjacent faces of the flanges 21 to the opposite sides of'the centrally arranged brace 22, the said flanges 24 forming in effect continuations ofthe flanges or webs 23. Each of the flanges 24 and the adjacent portions in the side walls 18 may be provided with a plurality of alined openings 25; the sides of the said opening are, however, preferably spaced from both the flanges 21 and the upper and lower faces of the brace 22 to prevent the material weakening of the said walls and flanges 24.

A follower block of the form heretofore described is advantageous in that it pre sents to compressive stressin service a cross section of generally rectangular form whose walls are so disposed as to resist most offectively and to transmit from face to face of the block, with the least possible chance of distortion, the compressive strains to which the follower is subjected. It will also be perceived that by means of internal and external ribs this rectangular section has been so braced that all possible stresses to which the block may be subjected are adequately resisted by suflicient sections of Having now described my invention al- I though it is to be understood that the oregoing description is merely illustrative of one embodiment of the invention, what 1 claim and desire to secure by Letters Patent is:

1. In a draft rigging, the combination with a coupler and cushioning mechanism, of a follower block provided with parallel spaced end walls, a plurality of webs for rigidly uniting said walls, said webs forming a substantially rectangular column which extends between the adjacent faces of said walls, and a centrally arranged apertured brace located intermediate some of said webs and rigidly connected to said end walls.

2. In a draft rigging, the combination with a coupler and cushioning mechanism,

of a follower for said cushioning mechaintermediate said upright webs, said upright webs each being provided with a key receiving slot.

3. A follower block for a railway draft rigging comprising end walls, a plurality of webs connecting said walls, said webs being arranged to form a substantially rectangular column, means for reinforcing said column, said means comprising a plurality of flanges extending inwardly from some of the walls of the said column.

4. A follower block for railway draft rigging comprising a pair of end walls, a plurality of upright webs connecting said walls, a plurality of transverse webs extending between and connected to the said upright Webs and to the said end walls, one of said end Walls having portions which extend above and below the points of connection of the same with the said transversely extending webs, and a plurality of upright flanges formed on the outer faces of each of the said "transversely extending webs and connecting each webto the adjacent portion of the said end wall.

In testimony whereof I afiix my signature.

DQNALD S. BARROWSB

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