US434282A - Edwin a - Google Patents

Description

(No Model.)

E. A. LELAND. BRAKE HOSE COUPLING.

Patented Aug. 12, 1890.

' UNITED STATES,

PATENT .OFFICE.

EDIVIN A. LELAND, OF BROOKLYN, NEW YORK, ASSIGNOR'TO LEONARD RICHARDSON, OF SAME PLACE.

BRAKE-HOSE COUPLING.

SPECIFICATION forming" part of Letters Patent N 0. 434,282, dated August 12, 1890.

Application filed May 16, 1890- Serial No. 352,007. (No model.)

York, have invented new and useful Improvementsin Brake-Hose Couplings, of which the following is a specification.

My invention relates to that type of brakehose coupling shown in the United States Letters Patent granted to me upon the 4th day of February, 1890, No. 420,810.

It is the purpose of my present invention to simplify andimprove the devices by which the coupling-heads of the brake-hose are drawn together and locked, and to render the said devices more certain and positive in operation.

It is my purpose, also, to provide means whereby the swing of the coupling-levers may be limited in both directions, while I retain at the same time the features by which the automatic uncoupling or disengagement of the heads is effected, as described in the Letters Patent referred to.

The invention consists in the several novel features of construction and new combinations of parts, hereinafter fully set forth, and then pointed out in the claims following this specification.

To enable others skilled in the art to practice my said invention, I will proceed to describe the same in detail, reference being had to the accompanying drawings, in which- Figure 1 is a plan view of a brake-hose coupling embodying my invention, the parts being shown as locked together. Fig. 2 is a detail perspective of one of the locking-levers detached. Fig. 3 is avertical central section showing an outer bushing of brass screwed into the coupling-head, and an interior bushing, likewise of brass, tapped into the outer bushing and confining the packing-ring be tween them to prevent the rusting together of parts formed of iron only. Fig. 4 is a detail perspective of the outer bushing.

In the said drawings, the reference-numeral 1 denotes the ends of the train-pipes, which may be of any suitable construction, though I prefer to form said parts of metal, and so construct them that they may have a tele scoping movement upon the main or body portions of the train-pipes. Upon the extremities of the pipes 1 are formed or mounted the coupling-heads 2, which in all essential respects resemble those shown in the Letters Patent granted me the 30th day of July, 1889, No. 408,116, and which appear, also, in the later patent granted me February 4, 1890, already referred to. Upon these coupling-heads are formed thelugs or bosses 3, which receive the spindles 4 of the coupling-bars, which are retracted by springs 5, and are in all essential respects similar to those shown in the patent last referred to;

Fulcrumed upon an offset lug 6, mounted or formed upon a bracket 7, which projects from the coupling-head, is a lever 8, provided with a toe 9, in line with which the couplingbar 4 slides, to enable the reversely-bent t'oe 10 upon the coupling-bar to make engagement with the toe 9. Adjacent to the offset lug 6, I form upon the lever 8, upon the opposite faces thereof, angular lugs 12, having faces 13, which restrict the outward swing of the lever and shorter'faces 13, which limits its inward movement. It is evident that I may form these lugs on either one or both sidesof the lever. Pivoted upon the lever 8 is a loop 14, having swinging movement in two directions, whereby it may engage with and disengage from a hook 15, carried by a bracket 15 by which the levers 8 are held in coupling position. In order to guide these levers and insure a ready and speedy engagement of the swinging loops with the hooks, I mount guides 16 upon the opposite faces of the lever at the point where it engages the bracket 15,, carrying the hook15. A lug 17 is mounted on the yoke or loop 14 to facilitate its operation. The construction is the same upon each lateral or alternate side of the coupling-heads.

This invention dispenses with the springs actuating the movable hooks shown in my patent, No. 420,810, hereinbefore referred to,

and mounts the coupling-loops upon the le-- vers instead of upon the forked ends of braok ets formed upon the coupling-heads, thereby materially simplifying the construction and organization of the couplin It also provides simple means for guiding the coupling-levers to place, and for limiting the swing of said levers in both directions.

In the entire class of couplings covered by the several patents issued to me the packingrings in each have been composed of a ring of suitable material having a'fiange upon one end, which was inclosed between the end of the coupling-bracket and a bushing screwed into said bracket and having a flange or collar by which the flange onlthe ring was compressed.

In my present improvement I provide an outer bushing 18, (shown in Fig. 4,) having an eXteriorly-threaded neck 19, which is screwed into the coupling-head, as shown in Fig. 3, until its flange abuts against the face of the coupling-head. The packing-ring 21, bein g now introduced within the collar 22 of the outerbushing and inner bushing 23, is screwed into a female thread 24;, formed in the inner face of the outer bushing, until the collar 25 on said inner bushing abuts against the inwardly-turned collar on the packing-ring. By this arrangement brass lies against iron, and there will be no such rusting of the parts as to prevent the removal of the outer bushing which will carry the inner bushing with it, while the inner and outer bushings being both of brass, there will be no material adhesions of the one to the other.

What I claim is- 1. In a brake-hose coupling, the combination, with separable coupling-heads, of coupling-bars having springs which draw the coupling-heads together, and coupling-levers by which the said springs are placed under the required tension, said levers being provided with swinging yokes or loops, engaging books on the opposite couplerheads, and with projecting guides in proximity to the yokes or loops for guidin the levers and eifecting the proper engagement of the yokes or loops with the said hooks, substantially as described.

2. In a brake-hose coupling, the combination of two separable coupling-bars sliding longitudinally upon opposite sides of said heads, and levers pivoted upon opposite sides of the same, and having tees to operate the coupling-bars, and loops or yokes to lock said levers, said levers being provided with lugs extending, laterally from the sides thereof and each having angularly-arranged faces, whereby the throw of the lever may be limited in both directions, substantially as described.

3. In a brake-hose conpling,t-he combination, with two separable coupling-heads, of coupling-bars having springs coiled thereon, and coupling-levers fulerumed upon opposite brackets on the coupling-heads, and having toes engaging toes on the coupling-bars, said levers being provided with angular lugs on one or both sides to limit the swing of the lever, the latter being also provided with a swinging loop engaging a hook on the opposite bracket, and with guides engaging opposite sides of the bracket supporting the hook,

EDWIN A. LELAND.

\Vitnesses:

J. G. MEYERs, J r., JAMES A. RUTHERFORD.

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