US296139A - Steam bell-ringer - Google Patents

Description

(No Model.) 2 sheetssheet 1.

A. 000ml/ A STEAM BELL RINGER.

No.' 296,139. Patented A'pr. l, 1884.

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(No Mode-1.) 2 Meets-sheet 2.

V A. COOKE.

. STEAM BELL RINGER.

' No. 296,139. Patented Apr. 1, 1.884.

. l I u NITED STATES,-

PATENT GFFICE..

ALLENeooIE, or DANvIILE, ILLInoIs.

VSTEAM BELL-amelie.

SPECIPICAIION forming part of Letters Patent No. 296,139, dated April l, 1884.

Application filed January 9, `1884. (No model.) l

To all whom lt/'may concern.:

ABe it 4known that I, ALLEN COOKE, a eitii zen of the United States, residing at Danville, in the county of Vermilion and State of Illinois, have invented certain newand useful Improvements in Steam Bell-Ringers, of which the following is a specification, reference being had therein to the accompanying draw-` ings.

This invention relates to improvements in steam bell-ringers, and has for its object to provide locomotives with a simple` and etticient means ot' ringing the bell. This-object is attained by the mechanism illustrated in the accompanying drawings, forming a part of this specification, in which- Figure lis an elevation showing the engine in connection with a bell.V Fig. 2 is a sectional view. Fig. 3 is an end view. Fig. 4 is a detached view of the valve-chest, and shows its internal construction. Figs. 5. 6, 7 are detailed views ofthe valve D and plate E. Fig. 8 is a detailed view of the pitman and bellcrank connections.

The letter A indicates the cylinder of the engine.

B is the valve-chest. Gis the piston.`

D is the valve. y

`E is a circular plate having opening E E, by means Vof which the valve-stem is introduced and held in its `place and permitted to slide freely in the hollow of piston C and piston-rod I, asshown in Fig. 2. The plate Eis tted in a recess in the piston C, and is secured thereto by the screws. e.

F is an enlarged portion of the valve-stem, and is fitted to slide back and forth in a central opening in the bottom of the cylinder B. The upper end of the valve-stem F is enlarged, and is tted to the hollow I of piston and piston-rod. The reducedpart F is tted to the semicircular part of the opening E in plate E, and the reduced part F is fitted to the opening D of thevalve D, and the enlarged part F' enters a semicircular recess therein.' `Gr is the head of the cylinder, and is provided with the usual stuffing-box.

His ashort cylinder tted Vinto the valve- .chest B, and is provided with a stud, H, which is fitted into the opening D of the valve D, and serves to keep it in its proper position. r

I is the piston-rod. and is provided with a bifurcated head, K, to which is pivoted a pitman, L, of square section, which ts into a hollow connectingrod, L', by means of which motion is imparted to the bell-crank', and is constructed in this manner in order that it may give or slide as much as the bell .may require when ringing.

M is tli'e induction-passage for the steam or compressed air, and M is the exhaust.

N is the independent air-passage communieating with the top of the cylinder above the pston, and communicating with the exhaust l i N is the induction-passage communicating with the inside of the valve-chest and through the bottom of the cylinder A to the interior thereof. The cylinder A is cast with its bottom head solid,with au aperture in the center for the valve-stem to pass through, and faced to receive the chest for slide-valve for working the piston, and is also provided with an independent escape for the air or steam above the piston-head, in order that the piston may not be checked or retarded in its upper stroke. This independent escape or outlet is by preference connected to t-he exhaust-outlet, that all discharges may be in one.

The steam or air is admitted to the chest beneath the cylinder and then into the cylinder, which pushes the pistonup. This starts the bell to ring. As the piston is thrown full up and the slide-valve is connected to the piston, it is drawn up, covering the inlet-port and opening the outlet-port for the steam or compressed air to escape as the piston is driven back bythe return swing of the bell. This swinging fullback opens the inlet-port from the' chest, and the piston is worked continuously by the steam at half-stroke, and the return swing of the bell may be stopped at will, without turning off the steam, simply by the bell-cord preventing the return swing of the bell to drive the piston full down, and may be started again by simply starting to ring the bell by the cord.

Having described my invention, what Iy d'eonehead cast solid, in combination with a sire to secure by Letters Patent, and claim, valve and a valve-chest having a cylindrical is lining' provided with a stud, for the purposes 1. In a steam bell-ringer, the combination described and set forth. I5

5 of a cylinder with one head cast solid, having` In testimony whereof I affix my signature in central aperture for valve-stem, of valve-chest presence of two Witnesses. Secured thereto of slide -valve therein of f valve-stexni, of hollow piston and plate seenred ALLEN COOBE thereto, as described, and for the purposes set Witnesses:

1o forth. P. WILBER,

2. In a steam be1l-ringer, a cylinder having W. M. BANDY.

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