US542404A - Combination angle-cock and warning-signal - Google Patents

Description

2 Sheets-Sheet 1.

N 0 Medal.)

W. R. BEDELL. COMBINATION ANGLE 000K AND WARNING SIGNAL.

No. 542,404. Patented July 9, 1895.

2 heets-Sheet 2,

' (No Model.)

' W. R. BEDELL.

QOMBINATIUN ANGLE COCK AND WARNING SIGNAL.

No. 542,404. PatentedJuly 9, 1895.

WITNES 55 UNITED STATES PATENT OFFICE.

WILLIAMB. 'BEDELL, or JACKSON, MICHIGAN.

COMBINAT ION ANGLE-COCK AND WARNING-SIGNAL.

SPECIFICATION forming part of Letters Patent No. 542,404, dated July 9, 1895.

Application filed August-.10, 1894. seanmslaezs. (No model.)

To all whom, it may concerh;

Be it known that 1, WILLIAM R. BEDELL, of Jackson, in the county of Jackson and State of Michigan, have invented a new and useful Improvement in a Combination Angle-Cock and Warning-Signal, of which the following v is a specification.

My invention relates to a Combination angle-cock and warning-signal; and it consists in the improvements hereinafter described, and pointed out in the claims.

Referring to the accompanying drawings, Figure l is a side elevation of a combined angle-cock and alarm-signal embodying my invention. Fig. 2 is a cross-section of the same, the valve being closed. Fig. 3 is a side elevation of the valve-plug, the bushing being shown in section. Fig. 4 is a section on the line Y Z, Fig. 3. Fig. 5 is an end elevation of the valve, one-quarter being cutaway; and Fig. 6 is a view similar to Fig. 1, a section having been taken as represented by the line X X, Fig. 5.

A is the shell of an ordinary angle valve or cock as now innse in the air-brake system of railroad-trains, with the addition of the boss B.

O is the plug, in which are cored the holes or recesses D and E. Into these recesses lead the holes D and D into D and E E into E. G is the full valve-opening of the plug 0. F is the valve handle or-wrench.

G is the valve-bushing, with grooves G and G so located as to correspond with D and E, respectively.

H and I are holes into which lead the smaller holes D and E, respectively, and in which are the valves H and I.

B is a pipe leading from the holes H and I, which are connected above the valves by the opening J.

B is an ordinary, steam or air whistle, or in its place may be substituted any bell, gong, &c., which can be operated by a current of air.

B is a pressure-gage.

The operation of the above-described de- Vice is as follows: When the valve is open, so that the brakes can be governed by the engineer, the holes D and E are covered by the bushing G, so that no air escapes to the whistle; but when theplug is turned, so as to partially or entirely shut of the air in the main pipes, the holes D and E come into the grooves G and G leading to the holes corresponding to those marked D and E in Fig. 4. This allows the air to pass through the openings in the bushing before the holes in the plug and the corresponding ones in the bushing come directly opposite each other.

This is so that the alarm will begin to sound before the air is entirely shut oft from the brakes.- The air, after passing through the holes D and E, passes into the holes H and I and raises the valves H and I and then to the pipe B and to the alarm, thus warning the trainmen that the valve is being meddled with and at the same time definitely locating which one it is, as each valve has'its own alarm. The valves H I serve to prevent the air backing up in case the pressure comes from only, one, side.

Having fully described my invention, what lclaim and desire to secure by Letters Patent,is-

1. The combination of the valve-case, A, provided with the passages, H, and, I, communicating with an alarm, B and the plug, 0, provided with the opening, 0', recesses, D, and, E, and holes D E so located in said plug that they shall form connecting passages between the recesses, D, and E, respectively and the main passage in said case-upon opposite sides of said plug, when the opening, 0, is closed by the walls of said case, said plug being also provided with l1oles,DE, so located in said plug thatthey shall form connecting passages between D, and, E, and the passages, H, and I, respectively when the opening, 0, is closed by the walls of said case, substantially as shown and described.

2. The combination of the valve case, A, provided with the passages, H, and, I, c0mmunicating with an alarm, B and the plug, 0', provided withthe'opening, O, recesses, D,

and, E, and holes, D and, E so located insaid plug that they shall form connecting passages between the recesses, D, and, E, respectively and the main passage in said case, upon opposite sides of said plug, when the opening, 0, is closed by the walls of said ease, the alarm, 13*, said non-return valves being said plug being also provided. with holes, D located in the passages, 11, and Lsubstantially E, so located in said plug that they shall form as shown and for the purpose described.

connecting passages between, D, and, E, and I WILLIAM R. BEDELL. the passages, H, and, I, respectively when the WVitnesses:

opening, 0, is closed by the walls of said case, JOSIAH B. FROST,

and non-return valves, H, I, openingtoward CHAS. M. FROST.

Images