US444890A - Car-coupling - Google Patents

Description

(No Model.)

H. A. STEVENS.

GAR COUPLING.

No. 444,890. Patented Jan. 20, 1891.

. 5,, "T1: v2 in ED STATES.

PATENT OFFICE.

CAR-COUPLING.

SPECIFICATION forming part of Letters Patent No. 444,890, dated January 20, 1891.

Application filed June 13, 1890.

To all whom it may concern.-

Be it known that I, HENRY A. STEVENS, a citizen of the United States, residing at N orristown, in the county of Montgomery, State of Pennsylvania, have invented a new and useful Improvement in Gar-Couplings, which improvement is fully set forth in the follow in g specification and accompanying drawings.

Myinvention consists of an automaticcarcoupling formed of a swinging hook or dog, which is adapted to be engaged by the coupling-link, and a lock whereby the uncoupling is prevented, as will be hereinafter fully set forth.

Figures 1 and 2 represent views of portions of a car-coupling in different positions embodying my invention.

Similar letters of reference indicate corresponding parts in the two figures.

Referring to the drawings, A designates a draw-head, which, excepting the features of my invention applied thereto, is of usual construction.

B designates a hook or dog, which is pivoted within the draw-head and having its nose 0 in depending position at the front thereof, so that the coupling-link may be passed thereunder, and thus engage with the same.

D designates the heel of the dog, the same depending from the rear of the axis of the dog as aweight and projecting below the nose, so as to be in the path of the entering link when the cars are to be coupled. At the top of the dog is a shoulder E, which is adapted to be engaged by a sliding bar or piece F, which latter is fitted in the wall of the draw-head and capable of being raised and lowered, whereby the dog may be unlocked or locked for uncoupling or coupling purposes, said dog having also at top a shoulder G forward of the shoulder E for resting the bar F thereupon when the dog is in uncoupled position.

On the sides of the inner walls of the drawhead adjacent to the nose 0 are horizontallyextending recesses or grooves II, which serve to receive the sides of the end portion of the link and hold the same in horizontal position for properly entering the opposite draw-head.

The operation is as follows: When the cars Serial No. 355M382. (No model.)

are coupled, the nose 0 is Within the link and the bar F engaged with the shoulder E, whereby the dog is locked and disconnection of the link from the same prevented, the cars thus being reliably coupled. In order to uncouple the cars, the bar F is raised, whereby the dog is no longer controlled by the same. Consequently the dog, owing to its gravitating na ture due to the heel D, turns on its axis, the dog moving upward and rearward, thus uncovering the link and emerging from within the same. The link is now clear of the nose of the dog and the uncoupling effected, the subsequent removal of the link from the drawhead being readily accomplished, as the same is carried away with the separating car. It will now be seen that the heel D has advanced to the mouth of the draw-head and the bar E, which is dropped, rested on the dog in the shoulder G thereof. Consequently when the cars are to be coupled the advancinglink enters the draw-head and strikes the presented face of the heel, thus throwing back the latter, and at the same time lowering the nose, which, as is evident, enters the end of the link and engages with the same. The top of the dog rides along the lower edge of the bar F until the side wall of the shoulderE clears said edge, when the bar drops into said shoulder and locks the dog, thus surely holding the link and effectively coupling the cars.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a car-coupling, a swinging dog having a nose in front to engage with a coupling-link provided with a shoulder adapted to be en gaged by a vertically-movable pin, and a depending heel rearward of said nose and the axis of the dog, substantially as described.

2. In a car-coupling, a swinging dog having a nose to be engaged by a vertically-movable pin to lock the nose closed, said dog also having a recess G for reception of the end of the pin to hold the dog open and thereby allow entrance of the link, substantially as described.

3. A car-coupling consisting of a swinging dog formed with a depending nose in front and a depending heel rearward of said nose and the axis, said heel extending below the nose and substantially parallel therewith and presenting its front face to the advancing coupling-link, so as to throw back said 11(6]. and thereby lower the nose into said link, substantially as described.

4. In a car-coupling, a rotatable dog having a recess G therein, together with a shoulder and nose 0, combined with a movable pin and a link, substantially as described.

HENRY A. STEVENS. Witnesses:

O. N. URNER, JONATHAN THOMAS.

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