US391917A - James - Google Patents
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- Publication number
- US391917A US391917A US391917DA US391917A US 391917 A US391917 A US 391917A US 391917D A US391917D A US 391917DA US 391917 A US391917 A US 391917A
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- US
- United States
- Prior art keywords
- wires
- circuit
- button
- plates
- coupler
- Prior art date
- 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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- 230000001808 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 4
- 238000006011 modification reaction Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19639—Details of the system layout
- G08B13/19647—Systems specially adapted for intrusion detection in or around a vehicle
Definitions
- FIG. 3 is a plan of the base of the pushbutton, the upper casing and button being removed, showing the combination and arrange ment of the sockets and connecting-wires for the coupler; and Fi g4 is a sectional view of the detachable coupler and auxiliary portable circuit-closer.
- Figs. 5 and 6 illustrate modifications in construction and attachment of the coupler to the push-button plate.
- the object of my invention is to provide a detachable circuit-closing device which may be used in connection with the ordinary switchbnttons in apartments fitted with electric callbells orannuneiators, whereby the call-bell circuit may be closed by a person lying in bed or otherwise located at a point removed from the button, and an invalid or helpless person be enabled to ring the bell for an attendant without exertion and without change of position.
- A represents a push-button or circuit-closer of any approved description, as commonly employed fo 1' closing an electric circuit to ring a bell, actuate an aununciator, or otherwise operate an alarm or signaling device; and B B, Figs. 1, 2, and 3, are the circuit-wires leading to the battery X and bell Y, and which are connected to the electrode plates or points C C', whose contact operates to close the circuit.
- D D Fig. 3 are metallic sockets fitted at any suitable point in the base or casing of the push-button A, so as to be accessible on its outer face.
- Ilhese sockets although placed close together, arel insulated each from the other,and are severally connected by conducting-wires E E with the circuit-wires B B.
- F is a coupling -key, of wood, rubber, or other insulating material, provided with two separate projecting pins, G G, adapted to fit into the sockets D D of the push-button.
- This coupler is attached to one end of a conducting-cord, H, of any suitable length,containing two insulated conducting-wires, t' t', which are connected severally to the pins G G.
- the other end of the conducting-cord H is attached to a portable handle, I, formed in two elastic arms, J J, whose ends are severally provided with metallic plates or points m m, adapted to be brought into contact by pressing the two arms together as the device is held in the hand.
- the coupler may be fitted with two separate metal- IOO lic springs7 R R, adapted to clasp two separate insulated metallic plates, S S, forming a head or stud to be engaged by thesprings, as shown in Fig. 6, the plates or springs on the 'coupler being severally connected in each case with the wires z z' of the cord H, and the strips in the hole or the plates on the stud being severall y connected by wires E E with the circui-twires B B of the push-button on the wall.
- the coupler Fis inserted in the seat provided for it in the base ofthe push-button on the Wall, and the circuit-closing handle I is carried to the invalid7 whether seated or lying on a bed or lounge in any part of the room, the flexible conducting cord H permitting the handle to be placed within easy reach, and, if need be, under the covering.
- a gentle pressure upon the handle will, by closing its arms J J, suffice to close the circuit and ring the callbell Y.
- the attachment will be found useful not only for invalids, but as a convenient means of alarm which may be sounded at night by a person in bed, Without rising, in case of the approach of a burglar or upon other sudden emergency.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Push-Button Switches (AREA)
- Emergency Alarm Devices (AREA)
Description
(No Model.)
J. D. RANDALL. DETACEAELE CIRCUIT CLCCINC DEVICE ECE ELECTRIC EELLS AND ANNUNCIATCES. No. 391,917. Patented Oct. 30, 1888.
rlNITl-:D STATES PATENT Tirion.
JAMES l). RANDALL, OF MEMPHIS, TENNESSEE, ASSIGNOR F ONE-HALF T() GEORGE SGHMALZRIED, JR., OF SAME PLACE.
DETACHABLE ClRCUlT-CLOSING DEVICE FOR ELECTRIC BELLS AND ANNUNCIATORS.
SPECIFICATION forming part of Letters Patent No. 391,917, dated October 30, 1888.
(No model.)
.To @ZZ whom, it may concern:
Be it known that I, J mans D. RANDALL, of Memphis, in the county of Shelby and State of Tennessee, have invented a new and uscful Detachable Circuit-Closing Device for Electric Bells and Annunciators; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, making a part of this specification, in whicht Figure l is a front view, and Fig. 2 a side view, of an ordinary push-button for electric bells having my attachment connected therewith. Fig. 3 is a plan of the base of the pushbutton, the upper casing and button being removed, showing the combination and arrange ment of the sockets and connecting-wires for the coupler; and Fi g4 is a sectional view of the detachable coupler and auxiliary portable circuit-closer. Figs. 5 and 6 illustrate modifications in construction and attachment of the coupler to the push-button plate.
The object of my invention is to provide a detachable circuit-closing device which may be used in connection with the ordinary switchbnttons in apartments fitted with electric callbells orannuneiators, whereby the call-bell circuit may be closed by a person lying in bed or otherwise located at a point removed from the button, and an invalid or helpless person be enabled to ring the bell for an attendant without exertion and without change of position.
It consists in the combination, with suitable sockets or contact-plates fixed in the base of the push-button or other form of switch or circuitcloser,attaehed in the usual manner to the wall of the room, and severally connected by separate cond noting-wires with the two electrodes of the device, of a key or couplertted with separate insulated pins or contact-plates to engage said tiXed sockets or plates,and which are severally connected by the insulated wires in a conducting cord with opposed contactpoints in a divided handle, kept apart by a spring in readiness to be closed by its compression, er with any equivalent portable circuit-closing device.
In the accompanying drawings, A represents a push-button or circuit-closer of any approved description, as commonly employed fo 1' closing an electric circuit to ring a bell, actuate an aununciator, or otherwise operate an alarm or signaling device; and B B, Figs. 1, 2, and 3, are the circuit-wires leading to the battery X and bell Y, and which are connected to the electrode plates or points C C', whose contact operates to close the circuit.
D D, Fig. 3, are metallic sockets fitted at any suitable point in the base or casing of the push-button A, so as to be accessible on its outer face. Ilhese sockets, although placed close together, arel insulated each from the other,and are severally connected by conducting-wires E E with the circuit-wires B B.
F is a coupling -key, of wood, rubber, or other insulating material, provided with two separate projecting pins, G G, adapted to fit into the sockets D D of the push-button. This coupler is attached to one end of a conducting-cord, H, of any suitable length,containing two insulated conducting-wires, t' t', which are connected severally to the pins G G. The other end of the conducting-cord H is attached to a portable handle, I, formed in two elastic arms, J J, whose ends are severally provided with metallic plates or points m m, adapted to be brought into contact by pressing the two arms together as the device is held in the hand. These points m m are severally connected by conducting-wires n n with the insulated wires in the conductingcord H, so that when the coupler F is inserted in its seat in the pushbutton A the points m m become electrodes for the circuit equally with the plates C C.
Many equivalent modifications in the means for coupling or connecting the wires i t' ofthe conducting-cord with the electrodes or circuitwires of the stationary push-button A will suggest themselves to practical electricians as a substitute for the two sockets D D and pins G G of the coupling key F--as, for example, the coupler F may be constructed with metallic plates l? P on two opposite faces thereof,
and adapted to lit into a counterpart hole having metallic strips QQ fitted at opposite points in its encircling wall, to Contact, respectively, with the key-plates, as shown in Fig. 5; or the coupler may be fitted with two separate metal- IOO lic springs7 R R, adapted to clasp two separate insulated metallic plates, S S, forming a head or stud to be engaged by thesprings, as shown in Fig. 6, the plates or springs on the 'coupler being severally connected in each case with the wires z z' of the cord H, and the strips in the hole or the plates on the stud being severall y connected by wires E E with the circui-twires B B of the push-button on the wall.
In the use of this improved attachment for call-bells, the coupler Fis inserted in the seat provided for it in the base ofthe push-button on the Wall, and the circuit-closing handle I is carried to the invalid7 whether seated or lying on a bed or lounge in any part of the room, the flexible conducting cord H permitting the handle to be placed within easy reach, and, if need be, under the covering. A gentle pressure upon the handle will, by closing its arms J J, suffice to close the circuit and ring the callbell Y.
The attachment will be found useful not only for invalids, but as a convenient means of alarm which may be sounded at night by a person in bed, Without rising, in case of the approach of a burglar or upon other sudden emergency.
I claim as my invention- The combination of the stationary circuitcloser or push-button, the circuit-Wires connected therewith and with a battery and call bell or signal, a coupling seat or socket hav ing electrodes connected severally with said Wires, a detachable coupler fitting said seat or socket and having contact-plates to connect with its electrodes, insulated wires connected severally with said contact'plates, and a circuit-closing device attached to said wires,sub stantially as and for the purpose set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
JAMES 'D. RANDALL. Witnesses: HUNsDoN CARY, GEO. SCHMALZRIED, Jr.
Publications (1)
Publication Number | Publication Date |
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US391917A true US391917A (en) | 1888-10-30 |
Family
ID=2460893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US391917D Expired - Lifetime US391917A (en) | James |
Country Status (1)
Country | Link |
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US (1) | US391917A (en) |
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- US US391917D patent/US391917A/en not_active Expired - Lifetime
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