US1286072A - Draw-bar and yoke connection. - Google Patents

Description

v 1. r. orcomvon. DRAW BAR AND YOKE CONNECTION.

APPLICATION FILED OCT. 18. I915.

- WITNESSES: m jazz/113 W/ f i wg ATTORNEY Patented Nov. 26, 1918.

Connections, of which the following UNITED STATES PATENT OFFICE.

JOHN F. ocomroa, or CHICAGO, ILLINOIS, assIenon T0 WILLIAM H. MINER, or CHAZY, new YORK.

Specification of Letters Patent.

Patented Nov. 26, 19 18.

Application filed October 18, 1915. Serial No. 56,425.

To all whom it may concern:

Be it known that I, JOHN F. OConnon a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Draw-Bar and Yoke 1s a full, clear, concise, and exact description, reference being had to the accompanying drawings, forming a part of this specification.

This invention relates to improvements in draw-bar and yoke connections.

One object of the invention is to provide a draw-bar and yoke connection so arranged that the draw-bar may be'disconnected or' replaced without disturbing the gear within the yoke.

Another object of the invention 18 to provide a, yoke having a locking block to engage the draw-bar shoulder, said block being so arranged that it is sustained in operativeposition by the draw-bar carry-iron and also minimizes the wear or chafing on the drawbar shank which ordinarily occurs at the carry-iron thereby prolonging the life of the drawar.

In the drawing forming a part of this specification, Figure 1 is a longitudinal, sectional view of a portion of a car showing my improvement in-connection therewith. Fig. 2 is a horizontal, sectional view taken substantially on the line 2-2 of Fig. "1. And Fig. 3 is a detail perspective of the locking block employed with my yoke.

In said drawing, 10 denotes the shank of a draw-bar, 11 the shouldered butt thereof, and 12 the gear proper, the drawing illustrating a friction gear of a well known type. The yoke A. is a cast yoke having an upper arm 13, lower arm 14, vertical, rear connecting piece 15, side walls 16-16 at the front thereof, which together with the top arm, form a hood or head within which is received the 'butt of the draw-bar. At its forward end, the upper arm 13 is provided with an inwardly extending gib or shoulder 17 which is adapted to engage the corresponding upper shoulder 18 of the draw-bar butt. The side wings or plates 1616 are reanwardly and downwardly extended as indicated at 19 and are merged into the for ward end of the lower arm 14 of the yoke. The latter is also provided with a centrally located ear 20, which together with said sections 1919 are perforated and adapted to receive a pivot pin 21, thelatter being held in position by. any suitable means such as the cotters 22. Mounted on said pin 21 is a locking blockor swinging lever or latch- I B, the latter having a pair of perforated inner ends 23-23 which fit within the spaces between the members 19 and ear 20, whereb the block B is hinged or pivotally mounte The block B is also provided with a shoulder or abutment or gib 24, which, when the block is in normal position, engages the lower shoulder 25 of the draw-bar. Forwardly of the shoulder 24,.the block B is provided with a raised horizontal plate portion or handle or arm 35, the latter being preferably outwardly tapered! toward its front end. The plate or handle or arm 35 fits against the under side of the draw bar shank 10 and is interposed between the latter and the draw-bar carry-iron 26, as illustrated in the drawing. The side walls 1616 are provided with elongated slots 27 to accommodate a coupler key 28 although it will be pparent that the yoke is so arranged as to be operatively connected with the draw bar without the use of a coupler key. A tie plate 29 is shown of ordinary construction for supporting the gear.

To disconnect the draw bar from the yoke for repairs or replacement, it will be apparent that it is merely necessary to remove thecarry-iron and thereby permit the block B to be swung downwardly. This ermits the draw-bar butt to be lowered su ciently to clear the upper shoulder or gib 17 whereupon the draw bar may be removed, assuming that no coupler key is present or that it has previously been removed. Obviously, the lowering of the block B will not disturb or affect the gear proper, such as has hitherto been a disadvantage of certain prior ty es of cast yokes. In replacing the draw bar the block B is swung upwardly and in so doing a comparatively long leverage is obtained which assists in lifting or camming the butt of the draw bar up into proper position. When in proper position, it is obvious that the block or lever or latch B will move forwardly in unison with the draw bar .so' that any wear on the carry-iron is taken up by the block and the draw bar shank is thereby saved and its life prolonged, an important consideration in the present railway practice which requires heavy draw bars or couplers that are so far extended bestationary, Wear on the shank 10 is minimized since it is supported over a large area on the plateor arm 35.

I claim: A

1. A cast yoke'having a pivoted locking block, and means for retaining the block in operative position by the draw bar carry- 1ron.

- 2. A yoke for railway draft riggings having a hooded forward end and a displaceable shouldered block pivoted thereto, the shoulder of said block being adapted to engage a shoulder of the draw bar, said block being provided with a forward extension adapted to be interposed between the draw bar shank and draw bar carry-iron and arranged to be supported by the latter.

3. A yoke for railway draft riggings, said yoke having a hooded forward end provided with means adapted to engage one shoulder of a draw bar butt, and a block detachably connected to said yoke and separable therefrom without destructive effort, said block having a shoulder adapted to engage another shoulder of the draw bar butt, said block having an extension forwardly of its shoulder adapted to be normally interposed between the draw bar shank and draw bar carry-iron.

4. A yoke for railway draft riggings, having an integral'shoulder adapted to engage the upper shoulder of a draw-bar, said yoke being provided with a pivoted block having a shoulder adapted'toengage the lower shoulder of a draw bar butt, said block being provided with a plate adapted to extend along theunder side of a draw bar shank and upon which the latter rests.

5. In mechanism of the character described, the combination with a yoke, a draw bar, and means for connecting said yoke and draw bar, of a forward extension movably mounted with respect to the yoke and extending along the under side of the shank of the draw bar and adapted to be interposed between the latter and a draw bar carry iron to thereby minimize wear on the shank.

6. In a draft yoke for railway car draft nae ova rigging, the combination with a hollow head upon said yoke adapted to-receive a draw bar, of a lever forwardly extended through the draw bar opening of the head, said lever being swingingly connected to the yoke and 1adapted to lift a draw bar within the yoke read.

7. In a draft rigging for railway cars, the combination with a draw bar, a carry iron therefor, and means for supporting the same, of a draft yoke, the said draft yoke being connected to the draw bar and having a draw bar lifting lever therein, the

vsald lever being forwardly extended and passing between the draw bar and the draw bar carry iron.

8. In a draft rigging for railway cars in combination, a draw bar, a draw bar carry iron, a draft yoke, the said draft yoke being provided with a hollow head to receive the draw bar, means upon the draft yoke to secure the draw bar Within thehead, said means including a lever, the said lever having a shoulder to engage the draw bar and a handle extended between the draw bar and the draw bar carry iron.

9. In a draft rigging for rallway cars in combination, a draw bar, a. draw bar carry iron and a draft yoke, the draft yoke being provided with a, hollow head to receive the draw bar, the draw bar being provided with shoulders, the yoke having a gib to engage one of said shoulders, and also having a lever adapted-to engage the other of said shoulders, the said lever being forwardly extended between the draw bar and the draw bar carry iron.

10.. In a draft rigging for railway cars in combination, a shouldered draw bar, a draft yoke having a hollow head and a lever swingingly mounted upon said yoke, the

yoke being provided with a shoulder to engage one of the shoulders of the draw bar, the lever having a shoulder to engage the other shoulder of the draw bar, the said lever being extended through the forward opening of the yoke head and being adapt ed to lift and lower the said bar within said head.

ill. In a draft; rigging for railway cars in combination, a houldered draw bar, a draw bar carry iron, a draft yoke and a lever swingingly connected to said draft yoke, the draft yoke being provided with a hollow head to receive the draw bar and having a gib to engage one of the shoulders of' said draw bar, the lever being provided with a shoulder to engage another shoulder of the draw bar, the said lever having a forwardly extended member passing between the draw bar and the draw bar carry iron.

, 12. In a draft rigging for railway cars in combination, a draw bar, a draft yoke, and means for connecting the draft yoke to the draw bar, said means including a lever secured t0 the yoke, said lever being forwardly extended to provide a wear plate between the draw bar and the draw bar carry iron.

13. In a draft yoke for railway car draft rigging, the combination with a hollow head upon said yoke, of a latch swingingly connected to the yoke and adapted to engage a draw bar, the said latch being provided with an arm, whereby it may be moved into locking position upona draw bar.

14. In a draft yoke for railway car draft rigging, the combination with a gib adapted to engage one draw bar shoulder, of a latch, having a gi'b to engage another draw bar shoulder, the said latch being provided with means for lifting the draw bar into engagement with both of said gibs.

15. Ina draft yoke for railway car draft rigging, having upper and lower limbs,

adapted to be engaged to the draw bar, a latch swingingly connected to one of said limbs, said latch having one portion of its upper face angularly arranged to another portion, one of said portions being adapted to engage a draw bar-when the latch is wung to one position, and the other portion engaging the draw bar when the latch is swung to another position,

16. In a draft yoke for railway car draft rigging, the combination with a hollow head upon said yoke, of a latch swingingly associated with the yoke and adapted to engage a draw bar, the said latch being provided with an arm, whereby it may be moved into locking position upon a-draw bar.

In witness that I claim the foregoing I have hereunto subscribed my name this 14th day of Oct., 1915.

JOHN F. OGONNOR.

Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents, Washington, D. O.

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