US272613A - Railroad-signal - Google Patents
Railroad-signal Download PDFInfo
- Publication number
- US272613A US272613A US272613DA US272613A US 272613 A US272613 A US 272613A US 272613D A US272613D A US 272613DA US 272613 A US272613 A US 272613A
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- US
- United States
- Prior art keywords
- signals
- signal
- arms
- arm
- railroad
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000003137 locomotive Effects 0.000 description 12
- 239000002965 rope Substances 0.000 description 12
- 241000251734 Torpedo Species 0.000 description 6
- 241000726103 Atta Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000002459 sustained Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L9/00—Illumination specially adapted for points, form signals, or gates
Definitions
- 'My invention relates toimprovements in railway signals; and it consists in the peculiar construction and arrangement ofparts, as hereinafter fully described.
- Figure 1 is a front elevation of my signals, looking across the railroad track as they appear when in normal position.
- Fig.2 is a plan view of the same, showing the proximity of the signals to the track.
- Fig. 3 is a plan view of the signal and track, showing the signal set, and an engine with a torpedo-arm swung out to position approaching the signal; and
- Fig. 4 is a front elevation of the same, the engine being shown in dotted lines.
- A represents the signals, which are pivoted upon the posts B, which are set suitable distances apart and a suitable distance from the track D, as shown clearly in Figs. 1 and 2, and 0 represents the wire or cord or small wire rope for operating the signals.
- One end of the rope or wire 0 is attached to the spring E, which is secured to the post F, and from thence it is passed around the drums d of the signals, between the post F and another post, F, similar to the post F, situated a halfmile (more or less) from the latter, and is secured to the post F in such manner as to permit of its movement when actuated to set the signals to danger.
- the signals are by preference made of the aforesaid drums cl, concaved reflectors a, and the horizontal arms I), which are secured to and upon the drum d, and serve not only as means of giving warning at night, but also as levers for setting the signals.
- the arm y will be provided with means for holding a torpedo, and with a spring of sufficient tension near its pivoted end to cause the explosion ofthe torpedo when the arm 9 strikes the arm b, but not strong enough to rotate the arm b, said arm 9 swinging around on its pivot under the pressure of the arm b.
- arm 9 is not employed, and the arms b are made longer, so as to be struck by the locomotive. they are restored-to the position of danger by an operator on the engine. In general, the arms I) are worked by an operator on the track.
- the reflectors a when. the signals are set, will reflect the head-light of the locomotive so as to be readily seen by the engineer, and thus give the Warning.
- the signals in either "direction may be set for a suflicient distance along theline from the standing train to avoid all danger of collision.
- the reflectors ct will be double reflectors, so that they will present a reflecting-surface in both directions when set in position,and the ends of the wires of each section will be attached to springs, so as to allow the arms I) to be turned in either direction.
Description
(No Model.)
N. ALLEN. RAILROAD SIGNAL. No. 272,613 Patented 1?eb.2 0,1.883.
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UNITED STATES PATENT ()FFICE.
NORMAN ALLEN, 0F ROOKAWAY BEACH, NEW YORK.
RAlLROAD-SIGNAL.
SPECIFICATION forming part of Letters Patent No. 272,613, dated February 20, 1883.
' Application filed March 29, 1 882. (No model.)
To all whom it may concern:
Be it known that I, NORMAN ALLEN, ofRockaway Beach,in the county of Queens and State of New York, have invented a new and Improved Railroad-Signal, of which the following is a full, clear, and exact description.
'My invention relates toimprovements in railway signals; and it consists in the peculiar construction and arrangement ofparts, as hereinafter fully described.
Reference is to be had to the accompanying dra\vings,tbrming part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.
Figure 1 is a front elevation of my signals, looking across the railroad track as they appear when in normal position. Fig.2is a plan view of the same, showing the proximity of the signals to the track. Fig. 3 is a plan view of the signal and track, showing the signal set, and an engine with a torpedo-arm swung out to position approaching the signal; and Fig. 4 is a front elevation of the same, the engine being shown in dotted lines. g
A represents the signals, which are pivoted upon the posts B, which are set suitable distances apart and a suitable distance from the track D, as shown clearly in Figs. 1 and 2, and 0 represents the wire or cord or small wire rope for operating the signals. One end of the rope or wire 0 is attached to the spring E, which is secured to the post F, and from thence it is passed around the drums d of the signals, between the post F and another post, F, similar to the post F, situated a halfmile (more or less) from the latter, and is secured to the post F in such manner as to permit of its movement when actuated to set the signals to danger. From the spring E of the post F will lead the wire or rope O, which, in like manner, will be passed around the drums of the next series of signals and atta hed to another post, and so on throughout the length of the road, whereby each section is worked independently of the others. The signals are constructed, as shown in the drawings, of the drums (I, having arms I) b and reflectors a sustained above them; but this arrangement may be varied. n Y
The operation is as follows: When the rope O is drawn upon it turns the drums d, and the whole signaling apparatus of that section, so
as to bring the arms b b at a right angle with the track and the face of the reflectors in the opposite direction from the place from which the alarm is given, and, the reflectors will he brought in view by day and will reflect the head-light of the locomotive by night,and also, during foggy weather, a torpedo on the arm b of the signal or the arm 9 of alocomotive will be exploded. I am aware, however, that the latter feature is common, and it forms no part of my invention. By pulling upon any one of the wires or ropes O O at any point between any of the posts the signals of that section will be set, as will be clearly understood.
The signals are by preference made of the aforesaid drums cl, concaved reflectors a, and the horizontal arms I), which are secured to and upon the drum d, and serve not only as means of giving warning at night, but also as levers for setting the signals.
It will be observed from Figs. 3 and 4 that these arms I) are shown only of such length as to reach near the track when the signals are set. When they are made of this length the locomotive G will be provided with the pivoted arm g, which, when swung out to the position shown in Fig. 3, will strike the arms b of the signals but in case the pivoted arm 9 is not used the arms I) will be made ofsuch length as to he struck by the locomotive for giving the warning to the engineer.
The arm y will be provided with means for holding a torpedo, and with a spring of sufficient tension near its pivoted end to cause the explosion ofthe torpedo when the arm 9 strikes the arm b, but not strong enough to rotate the arm b, said arm 9 swinging around on its pivot under the pressure of the arm b. When arm 9 is not employed, and the arms b are made longer, so as to be struck by the locomotive. they are restored-to the position of danger by an operator on the engine. In general, the arms I) are worked by an operator on the track.
At night, in clear weather, the reflectors a, when. the signals are set, will reflect the head-light of the locomotive so as to be readily seen by the engineer, and thus give the Warning. By this means it will be seen that, in case of any accident or delay of a train upon the road, by turning one ofthe signals by the arms or lever 12, or by other means, the signals in either "direction may be set for a suflicient distance along theline from the standing train to avoid all danger of collision.
In case the signals are to be used on a single-track railroad, the reflectors ct will be double reflectors, so that they will present a reflecting-surface in both directions when set in position,and the ends of the wires of each section will be attached to springs, so as to allow the arms I) to be turned in either direction.
Iam aware that signals to trains,consisting of mirrors arranged along the track, and refleeting the rays of the locomotive head-light, have heretofore been employed. I am also aware that swinging signal-arms, operated by apassinglocomotive,arenotnew; andIamalso aware that a series of disks pivoted to posts along the railroad, so as to rotate perpendicularly in their planes, and so connected by wires to each other and levers arranged by the side of the track that a passing train operates them, have been heretofore employed, and I therefore lay no claim to such inventions.
I Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-
The combination, with the signal A, formed with the drum (1, arms I), and reflector a, of the posts B, F, and F, wires or ropes G O, and the springs E and E, substantially as described.
NORMAN ALLEN. i Witnesses:
H. A. WEST, O. SEDGWIOK.
Publications (1)
Publication Number | Publication Date |
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US272613A true US272613A (en) | 1883-02-20 |
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Family Applications (1)
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US272613D Expired - Lifetime US272613A (en) | Railroad-signal |
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US (1) | US272613A (en) |
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