US496724A

US496724A - dillman

Info

Publication number: US496724A
Authority: US
Publication date: 1893-05-02
Anticipated expiration: 1910-05-02

Description

(No Model.) 2 Sheets-Sheet 1. W. C. DILLMAN & G. A. SEIB. BURGLAR-ANDPI-RE ALARM.

No. 496,724. Patented May 2, 1893.

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' (No Model.) .2 SheetsSheet 2.

W. O. DILLMAN & G.- A. SEIB. BURGLAR AND, FIRE ALARM.

No. 496,724. Patented May 2,1893.

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. UNITED STATES PATENT OFFI E.

WILLIAM o. DILLMAN, OF BROOKLYN, AND GEORGE A. SEIB, OFNEW I YORK, N. Y.

BURGLAR AND FIRE ALARM.

SPECIFICATION forming part of Letters Patent No. 496,724, dated May 2, 1893.

Application filed July 11, 1892- Serial No. 439.580- (No model.)

To all whom it may concern:

Be it known that we, VVILLIAM C. DILLMAN, of Brooklyn, in the county of Kings, and GEORGE A. SEIB, of New York city, in the county of New York, State'of New York, have invented'a new and Improved Burglar and Fire Alarm, of which the following is a full, clear, and exact description.

Our invention relates to improvements in burglar and fire alarms; and the object of our invention is to produce a positive working apparatus which operates as an ordinary messenger call, which is also adapted to be operated by the opening of a window or door in a building so as to ring in an alarm at the central station and thus provide for quick help, which has automatic mechanism for shifting the device from a burglar alarm to a messenger call after the burglar alarm has been operated, and which also maybe connected with any thermostatic or thermometric circuit breakers or closers so as to ring in an alarm in case of fire.

Afurther object of the invention is to construct the apparatus so that it may be manually operated when desired without interfering in the least with its electric mechanism.

To these ends our invention consists in certain features of construction and combinations of parts, as will be hereinafter described and claimed.

Reference is to be had to the accompanying drawings, forming apart of this specification,

in which similar figures and letters of reference indicate corresponding parts in all the views.

Figure 1 is a front elevation of the apparatus embodying our invention. Fig. 2 is a side or edge view of the same. Fig. 3 is a detail sectional view on the line 3-3 in Fig. 2, showing the mechanism for stopping and releasing the make and break wheels of the apparatus. Fig. 4: is a detail cross section on the line 44 in Fig. 1; and Fig. 5 is a diagrammatic view of the apparatus and its electrical connections.

The apparatus is provided with a supporting frame 10, which may be secured to a suitable metallic base not shown in detail in the drawings, but included in the diagram in Fig. 5, and the frame 10 carries an ordinary clockwork mechanism 11 which is spring-actuated like the ordinary clock-mechanism, but which is not shown in detail, as any suitable clockwork may be used. The clockwork is provided with a suitable winding stem 11 to enable it to be rewound when necessary. On an outwardly extending shaft 12 of the clock mechanism are common forms of make and

break wheels

13 and 14 having the usual pe 6o ripheral notches, and these are connected up as described below and held in a closed circuit in the usual way, so as to transmit a call to a central ofiice. Flexible metallic brushes 16 and 17 are held to contact with the make and

break wheels

13 and 14, these brushes being secured to an inslating block 18 which is fastened at the front of the frame 10, near one edge. The wheel 13, as shown in the drawings, operates as a burglar alarm or call, and the Wheel 14 as a messenger call, although the arrangement may be reversed if desired. The brush 16 connects by a wire a with a switch button 19 on an insulating switch block 20, which is secured to the frame 10 on the front side and near the bottom, and the brush 17 connects by a wire a with a switch button 21 which is also secured on the said block and arranged at one side of the button 19. A switch lever 22 is fulcrumed on the switch block near the top of the latter, as shown at 23, this switch lever being adapted to engage either of the buttons 19 or 21. It extends upward between the make and

break wheels

13 and 14 and contacts with the hubs of said wheels. Its upper end is inclined, as shown at 24., and is adapted to be struck by a pin 25 extending transversely between the wheels, so that the movement of the wheels will cause the pin to swing the lever from its vertical 0 position shown in Fig. 1, in which position it contacts with the button 19, into an inclined position shown by dotted lines in the same figure, in which last position it contacts with the button 21. The switch lever should be 5 made to touch the side also of one of the wheels so as to keep the circuit constantly closed through the same.

The base of the instrument connects with a wire 1) and the switch lever connects with a [00 wire 1), these two wires forming part of a line leading to the central oftice, and the several instruments along the line are connected up in series. in the usual way. It will be seen from the above description that either one or the other of the make or break wheels is constantly in the line circuit,'and the instrument is usually set for night use with the switch lever 22 on the button 19. The circuit will then be through the wire I), the base of the instrument, the frame, the wheel 13, the brush 16, the wire a, the lever 22, and the wire I), to the line. If then the

wheels

13 and 14 be set in motion by starting the clockwork in the manner described, the revolution of the wheel '13 will cause the usual makes and breaks to be made in the circuit, thus transmitting a burglar call to the central sta tion. As the wheels continue to rotate however, the stud or pin will come in contact with the upper end of the lever 22, thus tilting the lever and throwing it from the switch button 19 upon the switch button 21; the circuit will then be through the messenger call wheel 14, the circuit in detail being through the line wire b, through the base and frame of the instrument, the wheel 14, the brush 17, the wire a, the button 21, the switch lever 22, and the line wire Z). It will be seen then that after a burglar alarm has been rung in, the instrument will be antomatically set for use as a messenger call and may be used as often as desired; this will appear clearly from the description which follows: The switch lever 22 connects at a point below its fulcrum with a cross bar 26, of insulating material, and the latter is pivoted to a vertical switch arm 27 which is pivoted to the switch block 20, as shown at 28, and which is adapted to rest upon a switch button 29, this switch arm and button being included in the house circuit, as hereinafter described, and it will be noticed that the switch arm 27 is moved in unison with the switch lever 22, the arm being upon the switch button 29 when the lever 22 is upon the button 19, thus including the burglar alarm wheel in the house circuit, and when the switch lever is moved into position for use as a messenger call, the arm 27 will move off from the button 29, thus breaking the house circuit.

The

wheels

13 and 14 are normally held from turning by means of a stud 30, which extends inward from the side of the wheel 14, and a tripping lever connected with the stud. This lever 32 is an elbow lever and has a spring arm 31 which extends forward and above the stud and the lever is fulcrumed on a stud 33 which is secured to the front of the frame 10. The lever is normally pushed downward, so that the spring arm 31 will engage the stud 30, by a spring 34 which is secured to the lever and the free end of which is held beneath a stud or pin 35 on the front of the frame 10. The downward movement of the lever is limited by a stud 35 which is secured to the frame beneath the upper arm 36 of the lever 32. This arm 36 extends upward above the

wheels

13 and 14 and has, at its free ends, an upwardly extending plate 37 which is adapted to engage an arm 38 on a shaft 39, which shaft is geared to the clockwork mechanism 11, as shown in Fig. 2. It will be seen that by pressing inward upon the spring arm 31 it will be pushedout of the path of the stud 30, thus permitting'the make and break wheels to revolve, but the spring arm immediatety comes back to place, and when the wheels have made a revolution, the stud 30 again strikes the spring arm 31 and the lever 32 is pushed slightly upward so as to bring the plate 37 into the path of the arm 38, and the clockwork mechanism is thus stopped. When the arm is pushed out of the path of the stud30, however, the spring 34 pushes it downward so that the plate 37 is out of the path of the arm 38.

An armature 40 is hinged at its lower end, as shown at 41, to an arm 42 carried by the frame 10, the armature being held to swing out and in on the front of the frame, and the armature is normally swung outward by a spring 43 which is secured to the lower end of the armature and to a screw 43 on the under side of the arm 42. The outward movement of the armature is limited by a screw 44 which is held horizontally in a keeper 45, and the screw may be adjusted so as to regulate the throw of the armature. On the upper end of the armature is an arm 46 which extends upward opposite the spring arm 31, and consequent1y,when the armature is drawn inward upon the front of the frame 10, the arm 46 presses in the arm 31 and releases the make and break wheels. The armature is adapted to be operated by magnets which are placed opposite it or by a bell crank lever 48 which is pivoted at the lower end of the machine on a support 47. The upper arm 49 of this lever extends upward in front of the armature 40 and is provided with a crank 50 adapted to be pressed upon the armature, and the lower arm 51 of the bell crank extends inward and is provided witha chain 52 which terminates in a ring or handle 53, and by pulling downward upon the chain, the bell crank is tilted and the crank 50 pushes in the armature so as to release the make and break wheels. The bell crank is held normally out of engagement with the armature by a spring 55 which is coiled around the hub 54 of the bell crank, one end 56 of the spring being se cured to the upper armof the bell crank, and the opposite end 57 to the bell crank support. The magnets 58 are held in thelower portion of the frame 10 and are arranged opposite the armature 40, and the magnets when energized will pull the armature inward and have the same effect upon it as the pressure from the bell crank.

The house circuit is connected with a local circuit which is adapted to connect with the instruments in a number of houses, and to this end line wires 0 and O are used which are connected with a suitable source of sup ICC ply and with the instruments in various houses, the connections being usually in multiple arc. From the line wire 0, a wire 0 leads to a circuit breaker 5S" which is arranged at the door or window of a house and may be of any usual kind, and from the circuit breaker a wire d leads to the magnets of a relay 50, this also being of the usual kind and needing no detailed description. The wire d, after passing through the relay magnets is carried back to the line wire 0' of the local circuit, and consequently the relay and the circuit breakers of the house are held in a closed circuit and the armature of the "relay is held against the insulated screw 61.

WVhen the circuit is broken in any part of the house the spring 62 pulls the armature 60 against the screw 63 which is held in the pole piece of the relay and this closes the circuit through the instrument, which is as follows: from the wire 0 through the wire 6 to the pole piece of the relay; thence through the armature 60, the wire f leading from the armature to the switch arm 27, the switch arm, the button, 29 the wire g leading from the button to the magnets 58, the magnets, and the wire it back to the wire 0. It will be seen then that when a break is made in the house, the circuit will be closed through the magnets 58, and thelatter will pull upon the armature 40, thus releasing the make and break'whee'ls and theclockwork mechanism and ringing in an alarm. The apparatus may also be arranged to sound a fire alarm, in which case the magnets 58 may be double wound or a separate set of magnets 58 may be arranged tooperate the armature 40, or a similar armature arranged to release the spring arm 31. The drawings show the magnets when arranged as if double wound, in which case,one

series of winding is connected by a wire with a battery K and by a wire 70' with circuit closers 64 of any suitable thermostats or thermometers 65, and the latter are connected in the usual way by a wire 70 with the battery. It will be seen then that if the thermostats or thermometers are heated sufficiently to close the circuit, the armature will be operated so as to set themake and break wheels in operation and the call will be like a messenger or burglar call with this exception: when a burglar or messenger call is rung in as already described, the

wheels

13 and 14 will make but a single revolution, but when a fire alarm is rung in, the circuit through the wires in, k and 70 will remain closed for a considerable period of time and consequently the armature 40 will be kept pulled in upon the magnets 58, thus holding in the spring arm 31, and the make and break wheels will continue to revolve and will ring a continuous alarm until the machine runs down or the circuit is broken.

When the apparatus is set for the night the switch lever 22 is swung upon the button 19, and if a break is made during the night the alarm will be rungin in the manner described and the switch lever 22 "will be shifted upon the button 21, thus cutting in the messenger call, and this same movement will shift the arm 27 from the button 29, thus breaking the circuit through the magnets 58 and permitting the armature 40 and spring arm 31 to swing out so thatthe spring arm will trip the wheels. The instrument may then be used as a messenger call, a call being rung in' by simply pulling down the ring or handle 53 in Having thus described our invention, we

claim as new and desire to secure by Letters Patent-- 1. A burglar and fire alarm, comprising revoluble make and break wheels adapted to send in dissimilar calls to a central office in the usual way, mechanism for tripping and releasing the said wheels, a switch adapted to shift the electric current through either of the wheels, and automatic mechanism for shifting the switch and current from one wheel to the other by the movement of the wheel,substantially as described.

2. A burglar and fire alarm, comprising revoluble make and break wheels adapted to send in dissimilar calls and connected electrically with a central office in the usual way, manually and electrically operated mechanism for tripping and releasing the said wheels, a switch adapted to shift the current from one wheel to the other, and automatic mechanism for operatingthe switch by the movement of the wheels, substantially as described.

3. A burglar and fire alarm, comprising clockwork driven make and break wheels connected electrically with the central office in the usual way and adapted to send in dissimilar calls, electro magnetic mechanism for tripping and releasing the wheels, the magnets being connected with circuit closing mechanism operated by the opening of a door or window, a switch arranged to shift the current from one wheel to another and to break the magnet circuit, and automatic mechanism for shifting the switch by the movement of the make and break wheels, substantially as described.

4 A burglar and fire alarm, comprising clockwork driven make and break wheels adapted to send in dissimilar calls and connected with a central office in the usual way, an elbow lever pivoted adjacent to one of the wheels and having a spring arm adapted to engage a stud on the wheel, and a second arm adapted to engage and stop the clockwork mechanism, a swinging armature arranged to release the spring arm, magnets arclockwork driven make and break wheels,

adapted to send in dissimilar calls and connected with a central office in the usual way, a-le'ver mechanism for releasing the wheels and stopping the clockwork mechanism, a swinging armature held to operate the lever mechanism, magnets arranged opposite the armature, and an automatic switch operated by the movement of the make and break wheels and arranged to shift the current from one wheel-to the other and to break the circuit through the magnets, substantially as described. I

6. The combination of the revoluble make and break wheels connected upas described and adapted to send in dissimilar calls, mechanism for tripping and releasing the Wheels,

a pin or stud held between the wheels, a switch lever pivoted adjacent to the wheels and extending between the same into the path of the pin; or stud, and switchbuttons arranged in the line circuit and placed in the path of the switch 1ever,substantially as described.

7. The combination with the revoluble make and break wheels connected up as described bell crank lever pivoted adjacent to the wheels and having one spring arm extending into the path of the stud and a second arm arranged to engage a revoluble arm driven by the clockwork mechanism, a swinging armature having a projecting arm to press upon the spring arm of the bell crank',and manuallyand electrically operated means for swinging the'armature, substantially as described.

8. The combination of the revoluble make and break wheels connected up with a central office as described and adapted to send in dissimilar calls, mechanism for releasing the wheels and stopping the clockwork mechanism after a revolution of the wheels,a swinging armature held to operate the stopping and releasing mechanism, magnets arranged opposite thearmature, a relay held in a closed electric circuit and connected with circuit breakers: in said circuit, electrical connections whereby the circuit through the magnets'wil'l be closed by the breakingof the 10- cal circuit through the relay, and a switch arranged to shift the current from one make and break wheel to the other andv to break the circuit through the magnets, substantially as described.

WILLIAM C. DILLMAN.

GEORGE A. 'SEIB. Witnesses:

WARREN B. HUTOHINSON,

E. M. CLARK.