US781950A - Car-coupling. - Google Patents

the opposite "direction from that of

incline

9, the

meeting edge

11 of said inclines being on a slight incline upward andforward, as clearly seenin Figs. 4, 6, and 7; said

recess

8 is formed with

camsurface

12, inclining in a directiont he'reverseof

camsurface

9 and haying its upper end projecting beyond the side face of the pin. As seen in Fig. 7, the upper portion of said cam-surface,

hereinafter to be denin bein set to the lock-set position. Fm. 19., the

upper incline

1 1 mer ing into a

flat D

1 2 18 a detail perspective view of the

loclnngsurface

16, while the lower 1nchne15 is also pin. Fig. 3 is a similar View of the couplinginclined at 17 to correspond with '

lnchne

13 hook. Fin. 1 is a vertical lon itudinal secon the

1n

7, as'seen 1n Fig. 4;

Below the

recess

8 in

thepin

7 is another recess, 18, having its upperiedge inclined upwardly and inwardly at 19 to engage a recess or

seat

20, formed in the inner front face of the lowere'ipcrture 6 in thedraw-head when said pin is raised to the lock-set or unlocking tional View, the locking-pin being shown in elevation and in the position shown in Fig. 1. Fig. 5 a horizontal sectional View. Fig. 6 is an .rtical transverse sectional View, thelockl ing-pin being shown in full lines. 7 is. l l l dc elmation of the locking-pin detached. 1 is a side elevation of the coupling and 1 its pin-lifting mechanism, the parts being shown in their lowermost position in full lines in their lifted position in dotted lines. 1 1 a) a view similar to Fig. 1, showing the loosing pin in the act of being lifted from the lock-set position by the movement of the beveled to correspond with thatof

upper edge

19 of

recess

18, as shown in' Fig. 4:. It will also be observed that the lower edge of the front face of the

lower aperture

6 is inclined at 20 and that the

rear face

21 of said

recess

18 has a similar inclination downwardly and forwardly, thesame merging into a more ab- ."

r'upt inclination

22,and, further,- that the front side of the locking-pin :belowsaid recess projects somewhat beyond the yertical surface of said pin above saidrecess lfor a purpose l couplin -hook tail. Fig. 10 is a detail sectional view of the lowe yopening for the pin in the draw-head, showing a modified construction. i g I Similar numerals of reference denote corresponding parts in the several views.

in the said drawings the reference-

numeral

1 denotesihedraw-bar of the coupling, carry of the Well-known Janis pivoted, by means of hereinafter to be described.

Formed in the side of

pin

7 and just below the lower edge of t draw head when said pin is in its lowermost position is an

incline

23, adapted to perform the fpllowing double function: \Vhen the pin neyjtypc, in which

pin

3, the usual coupling-hook l. l ,Bessing vertically through the upper and

l lowerapertures

5 and 6 in the draw-

head

2 is l the lpcking-pinY, the same being recessed on its. f'nont side at 8 and having the upper facaof said recess formed with a relatively long in- 7 is in its lowermost by, the ,Jtraction' on said coupling-hookwill force the locking-

pin

7 to the right, as shown in Fig. 6, thus causing-incline 23 to underlie Patented February '7, 19 05.

short inclined or camsurface 10,inclining

1n

12 is also inclined downwardly from front to.

position, the'recess or seat QOhaving its edge v position and the coupling-

hook

4 locked there- I the lower edge ofthe draw-

head

2 and eflec-' tually preventing any upward creeping of the locking-

pin

7 while the car is in motion,

' sition, the contact of

incline

23 with thelower edge of, the draw-

head

2 forcing said

pin toa

1 the left toward the tail of the coupling-hook,

so that the projeeting end of lowencam-

surface

12 will i be thrown more surely beneath corresponding cam-

surface

15 on said coupling-hook tail. v

On the side nearest when in its locked position the

pin

7 is recessed vertically at 24;, against which'recess the coupling-hook tail bears, while on the op- I posite side the draw-head is provided witha

vertical extension

25, affording an increased bearing-surface for the

pin

7 when under the tension of the couplinghook, as seen in Fig. 5. I

Pivoted to the upper end of the

pin

7 is a 25

link

26,

havinga shoulder

27 adapted by its contact with the top of the pin to limit the forward tilt of said link, and

ashoulder

28 for limiting its rearward tilt, the same operating the coupling-hook tail forereferred to' I have. shown

pin

7 adaptedto be supported saidpinfrom said iiatsurface, 16

to prevent said link from tilting forward be- 3 yond the vertical plane of the

pin

7, but permitt'ing a more extended rearward tilt thereto, as shown in Figs. in brackets is an operating-

rod

31, having a handle-32 at 3 5 its outer. end and

anjnner bent arm

33, passing loosely through-the

link

26, said arm being preferably depressed at about its center,

as shown in Fig. 8. I

g

7 From the above description the operation 4o'of my improved construction will be understood to be as follows: With the

pin

7 in its lowe'rmostposition and the coupling-

hook

4 open the device is ready-for automaticcou'pling, the rotation of said

hook causing camsurface

14 on the tail thereof to contact with

cam

9 on the

pin

7, and thus raise the latter until the coupling-hook tail passes the same, when it willdrop automatically. and thus lock the hook in its closed position.

means of

rod

31, in the manner, described, until the

incline

13 on the pin'engages the incline -17 on'the hook, when by reason of the forward and upward inclination of the same, as shown in Figs. 4 and 9, theposition shown in Fig. 4,=so that the coup.

hng '

hook

4 may be turned to its open posipermitting the cars toseparate.

1, 4, and 8. :Mounted- 29 on the

cross-sill

30 of the car Now when 50- it is desired to uncouple, the pin 7is lifted, by hereinafter While it is preferred

lockingpin

7, I have provided the

inclines

12 will drop into.

which forms, in conjunction withthe'incline 9

thereomi'the edge

11, inclined upwardly and-"8.9 forwardly; 'Now as the cou'plinghookstarts to rotate to ,its o'pen position the upper edge of the frontface of its tail wiilat-oncegcom tact withi-fthe short incline lmfwh'ich i-n the lock-set, positig'in' Ofqthd pin, 'lies' lowerthan I and vwill' raise said-pin sufficiently to free the'latter from its engage ment'with the recess or seat2Q, and as the;

edge

11 isfreached the upwardand outward j inclination of-jthe same" will" permita'contact 0 between it and surface 'lfi only it the? extreme inner portion of. said-edge, or' at the center of gravity of said pin, thus, causing said pin toresume its vertical'position and permitting. it'tov drop free from said

recessfor seat

20 when released. by. the coupling-hook -tail.

7 to incline

the'edge

11 as described inorder to accomplish this resuit, the sameeeffect may be obtained by inclining the jflatsurface l6 upwardly, so that only its extreme outer end" will contact with the; edge 1], as wilLbereadily understood.

In order to positively rotate the coupling-

i Y book

4 to its open position by means of theand.15, operating asfollowsi When the coupling-hook is locked,but not engaged by another coupling-hook, thelifting of locking-

pin

7 will cause the projecting upper end of incline 12thereon to engage the

incline

15 on the tail ofisaidcouplinghook, and the further lifting of said locking-pin necessarily rotates said coupling-hook to its open position-in a man- 'ner readily understood. In order that this engagement'bf the inclines may beinsured, l I have providedthe incline 23 on the opposite side of the locki'ng-pin'Z, which by its contact with the loweredge of the draw-head as the locking-pinis raised forces said lockingpin toward the tail of the coupling-hook, as, seen in Fig. 6. By providing the

recess

24 in the side of locking-

pin

7, with which the coupling-hook tail contacts when locked, I cause said tail to lie more surely in the path of the

incline

12, as also seen in Fig; ,6.

;Referring now to the operation of the pinliftingmechanism, it will be observed that the

link

26, pivoted to the upper end of locking-

pin

7,loosely embraces the

bent arm

33 ofoperating-

rod

31 and that said iink because 3 of

shoulders

27 and 28 cannot tip forward beyond the vertical position; though permitted a limited rearward tilt, as seen in Fig. i. It will also be observed that said

link

26 is pivoted to the

pin

7 forward of the transverse vertical center of the latter and that when said pin is in its locking position (shown in Fig. 8) said link engages the

arm

33 at the point of lowest depression of the latter, the result being that. when said arm is lifted by means of

handle

32 that portion of said arm in front of the depressed portion will at once begin to assume an upward anglercarryin'g link 26 to the rear, which, together with the forward pivotal point of attachment of said link to the

pin

7, will bring the lower end of said

pin

7 forward as it is lifted by said

arm

33 and will thus more surely cause an engagement of

edge

19 and

shoulder

20 to retain the pin 7in the lock-set position. A further and more important function of the pin-lifting mechanism, however, resides in the fact that owing to the construction of

link

26 and lifting-

arm

33 any breaking of the coupler-bar whereby the coupling is pulied away from the car will not break the liftingmechanism, the

link

26 passing freely off the end of

arm

33, leaving the latter intact, which is necessarily not the case with the chain connections now in use.

By provi with the initial inclination .itwill be seen that as pin is lifted above the lock set position to throw the hook open, as" shown in Fig. 9, the contact with said inclined surface with the

inclined surface

20 will immediately tend to force the

pin

7 to the rear, this movement being increased as the more

abrupt inclination

22 is reached, the result being that when said

pin

7 is thus lifted'an immediate movement away from the

shoulder

20 is begun, which is increased by the

incline

22, so that when said pin is released it will drop. to its lowermost position. This feature functions only when the

pin

7 is lifted to automatically throw the hook at open, the tendency of the contact between the inclines. 13 and 17, as well as the point of application of the lift to the pin, being to force the lower end of the pin forward, whichis effectually counteracted by the inclines 2O, 21, and 22, which not only force the lower end of the pin to the rear, thereby carrying the rear vertical wall of the

recess

8 in the pin away from the path of travel of the coupling-hook tail, but also aid in throwing the coupling-hook open.

in order that the

pin

7 may have the necessary lateral play without contacting with the end of the coupling-hook tail, 1 deepen the

recess

8 thereof at 34 to receive the tail of the coupling-hook when in its locked position. the action of the inclines 20, 21, and 22, above described, as well as the action of

flat surface

16 and

edge

11 when the hook is opened with the pin in the lock-set position, being such ding the

rear face

21 of recess 18' that the

pin

7 will be forced rearward, so as to prevent any contact vertically between said pin and the end of the coupling-hook tail as the latter moves to the open position. thereby preventing any possible binding between these parts during this movement.

In Fig. I haveshown a slightly-modified construction, the recess or seat instead of being formed in the wall of the draw-headboing replaced by a removable cross-bar 35, with which the

inclined edge

19 engages to maintain the locking-pin in the lock-set position, the rounded surface of said cross-bar performing the function of the

incline

20. By employing said cross-bar 'lodgment of dirt at thispoint is prevented, and, furthermore, the usual cotter-pin for preventing complete withdrawal of the

pin

7 from the draw-head may be dispensed with, said cross-bar projecting sniiicicntl y far in the

aperture

6 to prevent the passage of the lower end of the pin, it being understood that said cross-bar is to be inserted 7 after the

pin

7 has been located in position.

\Vhile I have illustrated and described the coupling-hook as provided with a

flat surface

16 on the upper face of its tail, such construc-' tion is not a necessary feature, the device operating equally as well with the incline 14: extenlded to the front face pf the coupling-hook tai -Having thus described my invention, what. i