US1873698A - Automatic train signal - Google Patents

Automatic train signal Download PDF

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Publication number
US1873698A
US1873698A US565850A US56585031A US1873698A US 1873698 A US1873698 A US 1873698A US 565850 A US565850 A US 565850A US 56585031 A US56585031 A US 56585031A US 1873698 A US1873698 A US 1873698A
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engine
switch
lever
automatic train
track
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US565850A
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Curas James
Adamis Athas
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/04—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically

Definitions

  • This invention relates to automatic train signals and it has for one of its objects a provision of a signal of the character mentioned adapted to indicate when a train is on the wrong track.
  • Fig. 1 is a side elevation partly in section of an electric engine embodying our invention
  • Fig. 2 is a plan view of a rock shaft and tripping mechanism, fragmentarily shown, carried by the shaft;
  • Fig. 3 is a plan view of tracks
  • Fig. 4 is a plan view of part of the switch.
  • the numeral 5 indicates an electric engine although it is to be understood that the engine may be a steam locomotive or an engine of another kind.
  • the engine 5, which may be drawing a train of cars, should travel from left .to right on the straight track 6, shown in Fig. 3, but instead, it runs off onto the wrong track 7 due to the switch 8 being set wrong.
  • the automatic signal means of our invention. is adapted to indicate that the engine is on the wrong track.
  • the mentioned signalling means are herein shown as comprising electric lamps 9 and 10, the former being vlsible to the engineer running the engine 5 and the latter to another engineer driving an engine on track 7, in the direction opposite to the direction of engine 5.
  • the mentioned electric lamps may be lighted by electrical energy flowing through conductors 14 and 15 and through a switch 16 which is pivotally mounted at 17 to a bracket 18.
  • the upper portion of the switch 16 is adapted to be rocked in a switch member 20, shown in a plan view in Fig. 4:, said switch member 20 being connected to an electrical conductor 21 which is connected to the lamps 9 and 10, the bracket 18 being connected to the electrical conductor 15.
  • the switch 16 is shown in full lines as being in the open position and is shown in dotted lines as being in the closed or thrownin position. It will readily be understood that when the mentioned switch is in the closed position, the lighting circuit is closed and the mentioned lamps will be lighted to indicate that the engine is on the wrong track.
  • the switch 16 is thrown from open to closed position by a tripping lever 25, fixedly mounted on a rock shaft 26, said rock shaft being journalled in brackets 27 secured to the side members 28 of the engine.
  • a tripping lever 25 fixedly mounted on a rock shaft 26, said rock shaft being journalled in brackets 27 secured to the side members 28 of the engine.
  • the lower end of the lever 25 comes up against the tripping member 30, mounted in the road-bed between the rails of the track 7
  • the lever 25 is moved by coming up against the tripping means 30 in a manner to throw the mentioned lever against the lower end of the switch 16 to throw the switch to closed position.
  • a spring 32 is attached to the upper end portion of the lever 25 and to a wall 33 to normally hold the lever in a position to be tripped.
  • the combination with an engine of electrically energized signal means for indicating that the engine is on the wrong track, and a control for said signal means comprising a switch having a rockably mounted blade for shifting it to open and closed positions, said switch being in circuit with the signal means, a rock shaft .journaled on the engine, a lever fixed to the rock shaft and having a.
  • the remote end of the lever being disposed in overlapping relation with an extension of the switch blade, so that the rocking of the lever will efiect movement of the switch blade, and a spring tensioned between the lever and a fixed point to retract the blade engaging end of the lever and disposethe obstruction engaging end in the path of said obstruction.

Description

Aug. 23, 1932. J, CURAS ET AL 1,873,698
AUTOMATIC TRAIN SIGNAL Filed Sept. 29, 1951 'JHMEJ 011K198 firm 27s Ham/141s INVENTORS ATTORNEY Patented Aug. 23, 1932 UNITED STATES JAMES crmAs AND ATHAS ADAMIS, or sraMroBD, eoumi crrou'r AUTOMATIC TRAIN SIGNAL Application filed September 29, 1931. Serial in, 565,359.
This invention relates to automatic train signals and it has for one of its objects a provision of a signal of the character mentioned adapted to indicate when a train is on the wrong track.
Other objects of the invention will be appreciated when reading the following specification.
The invention will be fully and comprehenm sively understood from a consideration of the following detailed description when read in connection with the accompanying drawing which forms part of the application, with the understanding, however, that the improvement is capable of extended application and is not confined to the exact showing of the drawing nor to the precise construction described and, therefore, such changes and modifications may be made therefrom as 29 do not affect the spirit of the invention nor exceed the scope thereof as expressed in the appended claim.
In the drawing:
Fig. 1 is a side elevation partly in section of an electric engine embodying our invention; V
Fig. 2 is a plan view of a rock shaft and tripping mechanism, fragmentarily shown, carried by the shaft;
Fig. 3 is a plan view of tracks; and
Fig. 4 is a plan view of part of the switch.
Referring to the drawing for a more detailed description thereof, the numeral 5 indicates an electric engine although it is to be understood that the engine may be a steam locomotive or an engine of another kind. The engine 5, which may be drawing a train of cars, should travel from left .to right on the straight track 6, shown in Fig. 3, but instead, it runs off onto the wrong track 7 due to the switch 8 being set wrong. The automatic signal means of our invention. is adapted to indicate that the engine is on the wrong track. The mentioned signalling means are herein shown as comprising electric lamps 9 and 10, the former being vlsible to the engineer running the engine 5 and the latter to another engineer driving an engine on track 7, in the direction opposite to the direction of engine 5. The mentioned electric lamps may be lighted by electrical energy flowing through conductors 14 and 15 and through a switch 16 which is pivotally mounted at 17 to a bracket 18. The upper portion of the switch 16 is adapted to be rocked in a switch member 20, shown in a plan view in Fig. 4:, said switch member 20 being connected to an electrical conductor 21 which is connected to the lamps 9 and 10, the bracket 18 being connected to the electrical conductor 15. In Fig. 1, the switch 16 is shown in full lines as being in the open position and is shown in dotted lines as being in the closed or thrownin position. It will readily be understood that when the mentioned switch is in the closed position, the lighting circuit is closed and the mentioned lamps will be lighted to indicate that the engine is on the wrong track. The switch 16 is thrown from open to closed position by a tripping lever 25, fixedly mounted on a rock shaft 26, said rock shaft being journalled in brackets 27 secured to the side members 28 of the engine. When the engine begins to run on the wrong track, which for example is the track 7 the lower end of the lever 25 comes up against the tripping member 30, mounted in the road-bed between the rails of the track 7 The lever 25 is moved by coming up against the tripping means 30 in a manner to throw the mentioned lever against the lower end of the switch 16 to throw the switch to closed position. A spring 32 is attached to the upper end portion of the lever 25 and to a wall 33 to normally hold the lever in a position to be tripped. It will readily be appreciated from the foregoing description that our invention provides a simple and effective automatic means for indicating that an engine is on the wrong track.
What is claimed as new is:
The combination with an engine of electrically energized signal means for indicating that the engine is on the wrong track, and a control for said signal means comprising a switch having a rockably mounted blade for shifting it to open and closed positions, said switch being in circuit with the signal means, a rock shaft .journaled on the engine, a lever fixed to the rock shaft and having a.
pendent arm for engaging a track obstruction, the remote end of the lever being disposed in overlapping relation with an extension of the switch blade, so that the rocking of the lever will efiect movement of the switch blade, and a spring tensioned between the lever and a fixed point to retract the blade engaging end of the lever and disposethe obstruction engaging end in the path of said obstruction.
In testimony whereof we hereby afilx our signatures.
JAMES CURAS. ATHAS ADAMIS.
US565850A 1931-09-29 1931-09-29 Automatic train signal Expired - Lifetime US1873698A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692311A (en) * 1951-01-24 1954-10-19 Elliott Lee Automatic railroad whistle
US3287555A (en) * 1963-02-01 1966-11-22 Gen Signal Corp Automatic vehicle control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692311A (en) * 1951-01-24 1954-10-19 Elliott Lee Automatic railroad whistle
US3287555A (en) * 1963-02-01 1966-11-22 Gen Signal Corp Automatic vehicle control system

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