US800247A - Railway signaling apparatus. - Google Patents

Description

No..800,247,. PATBNTED SEPT. 26, 1905.

J, D. TAYLOR. RAILWAY SIGNALING APPARATUS.-

APPLICATION rum) JAN. 22. 1904.

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zba tnessefil jnvenior: Joh ZZTayZon PATENTED SEPT. 26 1905.

J. 1). TAYLOR. RAILWAY SIGNALING APPARATUS.

APPLIOATION FILED 311?.22. 1904.

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JOHN D. TAYLOR, OF BUFFALO, NEW YORK, ASSIGNOR To TAYLOR SIGNAL COMPANY, OF OF NEW YORK.

BUFFALO, NEW YORK, A CORPORATION Specification of Letters Patent.

Patented. Sept. 26, 1905.

Application filed January 22, 1904. Serial No. 190,230.

To ctZZ whom/112$ may concern:

Be it known that I, JOHN D. TAYLOR, of Buffalo, New York, haveinvented certain new and useful Improvements in Railway Signaling Apparatus, of which the following is a I full, clear, and exact description.

- such cross exists.

My invention relates to improvements in railway switching and signaling apparatus, and more particularly relates to certain improvements in my apparatus for preventing the movement of a switch or signal when any wire leading from one pole of the battery is cr issed with any wire leading to the-other po e. v

This invention is therefore an improvement upon my invention discldsed in my Patent No. 759,327, issued May 10, 1904.

The object of this invention is to prevent an operator or other person from closing the cut-out manually against a cross and attempting the operation of a switch or signal while By my said former invention in the event of a cross between any two wires connected to opposite poles of the battery current passes through the releasing-coil of an electromagnetic cut-out in such direction as to causea switch out into one of the common wires to open, and thus break the circuit. This is effective so long as the switch of the cut-out is not tampered with; but if this switch is held closed manually or in any way secured to a closed position against its proper action the operator may then cause a false movement of a switch or'signal. It is therefore necessary to provide means which will absolutely prevent such an occurrence and render it impossible to reestablish an operative circuit after a cross until the cross has herewith.

Figure l is a side elevation of my circuitbreaker relay. Fig. 2 is a plan view of the same, and Fig. 3 is a diagram of the circuits.

I will first describe my circuit-breaker.

The base 60, preferably of insulating material, supports a post-contact 6, which in turn supports a stand 0. a second post-contact (Z, the magnets e e, and the contact-postsf, g, and h. Pivoted to the stand 0 is a lever 11, which has a carbon conmagnet 30, wires 28 26, contact 17, brush This base also supports tact j to make electrical connection with a carbon contact k, adj ustably supported on the post d. The opposite end of the lever 21 carries an armature Z, which depends over the cores of the magnets e e. A rod 2% is pivoted to the lever 2' and at its lower end takes through an opening in an L of the stand 0, and over the lower end of said rod m is a compression-spring 0, which may be adjusted by a nut and check-nut n. The electrical connections are as follows: The binding-post f is connected to the'post-contact d. The post-contact bis connected to the binding-post g. The binding-post h is connected to one terminal of the magnet-coilse e, and the other terminal is connected to the binding-post g. Wire 60 of the diagram connects with the binding-post f, wire 38 with thebinding-post g, and wire 58 with the binding-post h. The contacts j and is are normally closed, and the main circuit is unbroken through the lever i. The circuit through the magnets e e is always closed; but as it is of high resistance it carries no sub: stantial current so long as the main circuit remains intact. i

- I will now refer to the diagram and explain the operation of my invention. As fully explained in my said former patent, No. 759,327 suppose a cross to exist between the wires 14 and 14. Then if the operator should move the controller of the brushes 19 and 20 and then put them in electrical connection with the contacts 16 17 and 22 23, respectively, current would flow from battery 36 through Wires 37 38, switch-arm 2', contact in, wire 60, switch-arm 39, contact 41, wire 43, fuse 31,

19, contact 16, wire 14,through the cross to 14 thence to contact 16', brush 19, contact 18, wires 24 27, magnet 29 wires 57 56, releasing-coil 47', wires 48 and 49 back to battery 36. This current flows in the direction to cause the releasing-coil 47 to neutralize the retaining-coil 51', and thus .allow the switch 39 to fly open. If in the opening of the switch 39 the operator should grasp and force it to place manually and then-hold the lever of 19 20 in said reverse position, current would flow from battery 36 through wires 37 38, switch-arm 2', contact in, wire 60, switch-arm 39, contact 41, wire 43, fuse 31, magnet 30, wires 28 26, contact 17, brush 19, contact 16, wire 14, and cross, and then the current would divide, and a part would flow through the cross to 1 1, and thence to contact 7, arm 4 wire 9, armature of motor 1 wire 10", arm 3, contact 8, wire 12, contact 6 wire 11 field-coils 2", wires 13 34' 35 back to battery 36. The current flowing at the same time through wire 14", contact 7, arm 1, wire 9, armature Z", wire 10, arm 3", contact 8, wire 12, contact 6, wire 11, field-coils 2, wires 13 35, back to battery 36 will move switch C and give the proper indication through magnet 29; but while this has been done the switch B will have been moved more or less and cause the derailment of a train at B, coming from I), with the signal A set for the main track. It is to prevent this occurrence that my present invention is provided. If with my circuit-breaker relay in place a cross exists, as above described, and the switch-arm 39 breaks connection between wire 38 and wire 13, the current will then be shunted through wire 59, magnet-coils c c, and wire 58 to wire 43. This will energize the magnets 0 c and cause them to pull thearmature Z down against the spring and break the electrical connection between the arm 2' and the contact With this condition the operator can accomplish nothing by holding the switcharm 39 closed, since the circuit is broken by the arm 2', and the closing of. the battery with any motor through any controller of the system will have no efl ect upon the magnets c c, and the open condition of the circuit through the arm 2' will be maintained so long as the cross exists. When the cross is removed, the circuit including the coils 6 will be broken, and the spring in the relay will return the arm ito contact with it. Thus the operation of the circuit-breaker relay is governed entirely by the currents and the spring, and may therefore be entirely incased and out of the reach of the operator or other persons, while the cut-out 39 must be replaced by hand after it is opened. It will also be seen that the same result would occur if the cross existed between an operating-wire and indication-wire ot' the same unit of a system-for example, if the cross were between wires 6 and 1 1 or between 14 and 15- Take the latter for example. On moving the brushes 1920 to reverse, current would flow through wires 37 38, arm c', contact 70, wire 60, arm 39, contact 4E1, wire 43, fuse 31 magnet 30, wires 28 26, contact 179. brush 19, contact 16 wire 1 1, through cross to wire 15, contact 22, brush 20, contact 23", wire 27, magnet 29, wire 56, releasing-coil 17, wires 48 49 back to battery. This current through the releasing-coil 17 neutralizes the retaining-magnet 51, and the switcharm 39 breaks the circuit. Current then flows through wires 37 38 59, coils of the circuitbreaker, wires 58 43, and thence through the path just described back to battery. This energizes the magnets e c and breaks the circuit through the arm z'.

Having thus described my invention and its method of operation, whatl claim is-- 1. In combination with a source of energy, a motor, an operating-wire, an indicationwire, a controller, a switch in one of said wires. electromagnetic means for governing said switch, acircuit-ln'eaker, comprising a second switch in one 01 said wires, normally closed in series with said lirstmentioned switch, a magnet and a shunt-circuit around both of said switches containing said magnet, whereby, in the event of the opening of said first-mentioned switch said magnet will open said SGCODd-lllODlilOllOtl switch and hold it open until the current is removed from the system, substantially as and for the purposes set l orth.

2. In combination with a source of energy, a circuit-breaker, and suitable conductingwires of an electromagnetic device, the colitact of which is normally closed and in series with the circuit-breaker, and the operatingcoil of which is connected in shunt to both its own contact and that of the cireuit-ln-eaker, whereby, in the event of the opening of the circuit-breaker, due to any cause, the circuit will be again opened and held open until the currentis removed from the system, substantially as and for the purposes set forth.

3. In combination with a source of energy, a motor, a wire leading from one pole ol said source of energy to said motor, a wire leading from the other pole of said source of energy, an electromagnetic cut-out having its switch in one of said wires and its releasingcoil in the other of said wires, an electromagnetically-operated circuit-breaker having its switch in series with said first-mentioned switch and its coils in a shunt-circuit shunted around both of said switches, substantially as and for the purposes set forth.

L. In combination with a source of energy, motors, operating and indication circuits, a conductor common to all operating-circuits, a conductor common to all indieation-circuits, a conductor common to all operating and indication circuits, an electromagnetically controlled cut-out having its switch in said operating common or said indication common, and having its releasing-coil in the other ol said two common wires, and a circuit-breaker for breaking the common containing said switch of said cut-out at a second point comprising a switch in series with said cut-out switch, a shunt-circuit around both of said switches and a magnet in said shunt-circuit governing said circuit-breaker switch, substantially as and for the purposes set forth.

In witness whereof I have hereunto set my hand, in the presence of two witnesses, this 4th day of January, 190st.

JOHN D. 'lA YLOR.

Witnesses:

Geo. L. HAoun, A. W. MAooaumu.

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