US918018A - Automatic signaling and train-stopping device. - Google Patents

Description

1/96 in use:

H. DAVIS. AUTOMATIC SIGNALING AND TRAIN STOPPING DEVICE. APPLICATION FILED IEB.6,1909.

91 8,0 1 8. Patented Apr. 13, 1909.

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HENRY DAVIS, OF ADDY, WASHINGTON.

AUTOMATIC SIGNALING AND TRAIN-STOPPING DEVICE.

Application filed February 6, 1909.

Specification of Letters Patent.

Patented April 13, 1909.

Serial No. 476,473.

zen of the United States, residing at Addy, in

the county of Stevens and State of Vl ashingj ton, have invented certain new and useful I Improvements m Automatic Signalmg and Train-Stopping Devices, of which the following is a specification.

This invention consists of novel automatic signaling and train stopping means designed to be located in the cab of a-locomotive for signaling an engineer when a switch toward which he is running is open.

In my Letters Patent No. 906,7 78, issued Dec. 15, 1908, I describe peculiar mechanism to be used in connection with switches for operating a signaling arm, by which arm the a arm on a locomotive or passing train is operated.

The present invention covers a special form of alarm mechanism for the purpose above referred to, and .in addition thereto, cooperating means for automatically actuating a train stopping lever in order to bring the train to a stop should the exigencies of the case make this desirable.

For a full understanding of the invention, reference is to be had to the following detail description and to the accompanying drawings, in which Figure 1 is a top plan view of a device comprising the invention, the same being shown in operative position in an engine cab; Fig. 2 is a vertical sectional view bringing out more clearly the mounting of the parts of the invention; Fig. 3 is a transverse section on the line 33 of Fig. 2, and Fig. 4 is a detail section showing more clearly how the signal bell is mounted on the sliding bar.

Throughout the following detail description and on the several figures of the drawings similar parts are referred to by like reference characters.

Referring to the drawings the numeral 1 denotes the engine cab in which the mechanism forming this invention is situated, the numeral 2 denotes a train stopping lever which in the present instance is an air brake lever commonly provided in the cabs of loc0 motives within convenient reach of the engineer, to be operated by him in slowing down and stopping a train.

Mounted on the engine in any suitable manner is a vertical shaft 3 upon the lower end of which is carried a trip arm 4 so located as to be near the track and adapted to be moved by a signaling arm 5 the position of I which" will be determined by controlling I means connected with a switch in the length of the track, for a purpose to be described. At its upper end the shaft 3 has a disk 6 secured thereto for rotation thereby and this disk is connected by a rod '7 with a sliding bar 8 mounted in suitable bearings in the arms of'a bracket 9. The disk 6 is provided with a plurality of openings 10 located at different distances from the center of the disk, and into either one of which the adjacent end of the rod 7 may be received to establish an operative connection between the disk and the sliding bar 8. The arts 6, 7, 8, and 9 may be housed by a suitable casing 11, if desired. On the bar 8 is mounted a sleeve 12 with which a bell 13 or similar alarm device is connected. The sleeve 12 is secured to the bar8 by a set screw 13 or similar fastening. Also connected with the bar 8, and by pivotal bearings 14 at opposite ends of the sleeve 12, is a catch 14 adapted to engage with the air brake lever 12.

In the operation of the invention should the signaling member 5 located at a predeter mined point in the length of the track, be raised into operative position, as when an adjacent switch connected thereto is open, the trip arm 4 will be struck by said part 5 and the shaft 3 partially rotated. Such movement of the shaft 3 will impart quick sliding movement of the bar 8 through the rod 7 and the bell 13 will be operated to signal the engineer that the switch is open. If the pivoted catch 14 is in the position in which it is engageable with the lever 2, said catch will also be moved by the longitudinal movement of the bar 8 and will engage the lever 2 so as to move the same and either stop or cause the train to slow down. The pivotal mounting of the catch 14 is designed to permit of throwing said catch into an inoperative posi tion with respect to the lever 2, should it not be desired to automatically stop or slow down the train when the signaling device is operated.

The provision of different openings 10 in the disk 6 is advantageous in that by adjustment of the rod 7 with respect to said openings, the degree of movement of the lever 2 may be regulated so that the air brakes may be operated automatically by the signaling member 5 to either cause the train to stop or merely reduce speed, as may be deemed most advantageous under actual conditions of service. Connected with the disk 6 is a spring 15 which normally holds the parts for operating the alarm or signal, in a predetermined position.

Having thus described the invention, What is claimed as new is: v V v 1. In a device of the class described, the combination of a locomotive, an alarm carried thereby, a sliding bar connected With said alarm, a shaft mounted on the locomotive and adapted to be operated by means in the length of a track, and connecting means between the shaft and the sliding bar, and means connecting the alarm and sliding bar.

2. In a device of the class described, the combination of a locomotive, an alarm carried thereby, a sliding bar connected With said alarm, a shaft mounted on the locomotive and adapted to be operated by means in the length of a track, an adjustable connection between the shaft and sliding bar, connecting means between the alarm and bar, and a train stopping device connected with said bar.

3. In a device of the class described, the combination of a locomotive, a train stopping lever, an operating device carried by the locomotive and operable by means in the length of a track, a catch for cooperation with the train stopping lever, and means adjustably connecting the catch and said operating de vice whereby the train stopping lever may be moved a greater or less distance for the purpose described.

4. In a device of the class described, the combination of a locomotive, a shaft mounted thereon, an obstacle operated trip arm carried by said shaft, a disk mounted on the shaft, a sliding bar, an alarm bell carried by said bar, a train stopping lever and catch connected with the bar and engageable With the train stopping lever, and a rod connected with the bar and having adjustable connection with the disk on said shaft.

5-. In a device" of the class described, the combination of a locomotive, an obstacle operated device mounted thereon, a train stopping lever, a catch adapted to engage and operate the lever, and means connecting the catch and obstacle operated device and permitting the catch to remain in operative and inoperative positions with respect to the train stopping lever.

In testimony whereof I affix my signature in presence of two Witnesses.

HENRY DAVIS.

Witnesses AL. VVEATHERMAN, VICTOR FLICK.

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