US802675A - Electric bell. - Google Patents

Electric bell. Download PDF

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Publication number
US802675A
US802675A US19841504A US1904198415A US802675A US 802675 A US802675 A US 802675A US 19841504 A US19841504 A US 19841504A US 1904198415 A US1904198415 A US 1904198415A US 802675 A US802675 A US 802675A
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United States
Prior art keywords
bell
circuit
arm
armature
post
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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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US19841504A
Inventor
Charles E Avery
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MANHATTAN ELECTRICAL SUPPLY Co
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MANHATTAN ELECTRICAL SUPPLY CO
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Priority to US19841504A priority Critical patent/US802675A/en
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Expired - Lifetime legal-status Critical Current

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00Devices in which sound is produced by striking a resonating body, e.g. bells, chimes, gong
    • G10K1/06Devices in which sound is produced by striking a resonating body, e.g. bells, chimes, gong the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062Devices in which sound is produced by striking a resonating body, e.g. bells, chimes, gong the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063Devices in which sound is produced by striking a resonating body, e.g. bells, chimes, gong the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell

Description

No. 802,675. PATENTED OCT. 24, 190
' G. E. AVEH I.
ELECTRIC BELL.
APPLICATION FILED MAR. 16. 1904.
CHARLES E. AVERY, OF JERSEY CITY,
new JERSEY, ASSlGNGit TO iii IAN HAT'TAN ELEUFRHJAL SUPPLY COii i'PJ-XNY, A CORPORAT101i Old NEW JERSEY.
t. ti; 'i"
Filth"; filiilsllm Eipecification of Letters Patent.
Patented Oct, 24:, 1905 Application and March 16, 190 i. Serial No. 198,415.
To all who/rt (it Tit/1,71 concern:
Be it known that I, (maniacs E. Avicni', a citizen of the United States, and a resident oi the city of Jersey City, Hudson county, New Jersey, have invented certain new and useful Improvements in Electric Bells, of which the following is a full, clear, and exact description, reference being had to the accompanying: drawings, forming a part of this speciiication.
My invention relates to electric hells oi the suspended type, and one object thereof is the provision oi means by which the proper electric circuits may be established by simply hanging the bell on its support, from which it maybe removed without the necessity of unfastening the circuit-wires, which are all concealed and do not interfere with the op. erationof the bell.
My invention also comprises certain other novel features of construction, which are hereinafter described and claimed.
in the drawings, Figure 1 is a sectional elevation showing my improvements. Fig. 2 is a detail, partly in section, on an enlarged scale, showing the arrangement of the ci rcuitterminals. Fig. 3 is a detail, on a similar scale, showingthe manner of connecting the circuit-wires. Fig. 4 is a sectionai elevation, also on an enlarged scale, showing; the contacts and a portion of the bell mechanism; and Figs. 5. and 6' show details otthe armature-supporting devices.
Similar reference characters are employed to designate like parts in all the views.
The drawings show a practical embodiment of my invention in a preferred form; but it will be understood that in selecting this particular embodiment of myinvention for illustrative and descriptive purposes 1 do not in tend to limit the same to the details of construction and arrangement further than as hereinafter expressly provided.
The bell lis operated by a clapper 2., which is corn'iccted with the vibrating armature 3, pivotally suspended from the crown of the bell, as will be more fully described hereinafter. A magnet 5, provided with the polar extension (3, is also suspended within the hell by means of a post 7, which extends through an aperture in the crown of the bell. A hanger 9 is iitted to the projecting end ol the post 7, and the nut 10 clamps the post 7 and the banner 9 securely to the crown of the bell.
The post 7, which is preferably a continua;
horizontal groove 11. The upper or horizontal member of the armature 3 is slotted to en l i n I I tion of the magnet-core, 18 provided with a l circle the post 7, and one edge of the slot is .shaped to project into the groove 11 to form a firm pivotal bearing for the armature, and, what it also consider important, an efiieient magnetic circuit is formed by reason of the extended cont-act thus provided between the armature and the extension or continuation of the magnetrore. The sides of the armatnre are provided with vertical slots 12, into which loosely enter the lugs 13 on the collar 1-1;, carried by the post 7. These lugs by preventinglateral movement of the armature hold it in the groove 11. By this construction also these parts of the hell-operatime mechanism may be inexpensively constructed and readily assembled.
The post 7 is eonnterbored to rcceivcan insulatingq'ilug 15, which supports a contactstud 16. The stud 16 connected with one tern'linal of the magnet-coils by the wire 17, extending through the post 7. The stud 16 and wire 17 are insulated from the post 7, and conseqmimtly. from the bell and the mag"- net-supporting devices.
The opposite terminal of the magnet-coils is connected by the wire 18 to the armaturecontact arm 19, which may be stamped from a single piece of metal and is secured in position by having its edges bent over the insulated head oi the magnet 20. A springtongue 21 on the armature normally held against the arrnature-contact by the weight of the hammer 2, thus normally forming a metallic connection tl'lrough the armature 3 and post 7 to the hanger 9.
The arm 25 is secured, as by screws 26, to a plate 27, which may be fastened to any suitable support. The arm 25 is hollow and is provided with an aperture 28, behind which in an aperture in the plate is secured an insulating-block 29 by the binding-screw 30, Fig. 3, which passes through the block 52$) into the end of the arm 25 and to which one of the generator-circuit wires is connected. The arm 25 and its hook 32 thus form one terminal of the circuit. The other wire of the generator-circuit is connected with the hurtling-screw 33, carried by the insulatingblock 28}. rvithin the hollow arm 25 is the insulated contluctingwvire 34-, one end oitwhich is connected with the binding-screw S3, and the other end, passing through a hole in the arm 25, is clamped between the metallic spring-tongue 36 and the insulating-strip 37 by the screw 38. The tongue 36 is completely insulated from the arm 25 and book 32 by the strip 37, which is preferably formed of fiber or other similar material pressed into shape. The metallic tongue 36 thus forms the other terminal of the generator-circuit and is so shaped and adjusted that when the hanger 9 of the bell is placed on the hook 32 the tongue 36 will be held against the top of the stud 14 with sufiicient pressure to form a perfect electrical contact.
With the bell hung in position as shown in Fig. 1, if the circuit be clos'ed'by means of any suitable switch the magnet 5 will be energized to vibrate the armature 3 and clapper 2 and continuously ring the bell in a manner well understood by those skilled in the art, it being, of course, understood that my invention is not intended to be limited to a vibrating or continuous ringing bell, it being equally well adapted for other well-known forms of bell-actuating mechanism.
The bell may be suspended instantlyin operative position just as assembled at the factory without requiring the connection of-any wires and may be instantly removed by simply lifting it from the hook. Moreover, the bell will always hang free and true, which is essential to its satisfactory operation, and the appearance of the bell is also much enhanced by the concealment of the circuit-Wires.
Having thus shown and described my invention, what I claim as new, and desire to scour by Letters Patent, isv 1. The combination of a hollow arm provided with a bell-support adapted to be connected with one wire of the circuit, a conducting-spring carried by said arm, a connection for said spring extending through the arm and adapted to be connected with the other wire of the circuit, insulating means between the arm and the conducting-spring, and contacts carried by the bell, forming terminals for the magnet-circuit and arranged to contact with the bell-support and the conducting-spring when the bell is hung in position.
2. The combination of a hollow arm provided with a bell-supporting hook adapted to be connected with one wire of the generator- -circuit, a conducting-spring carried by said arm below the hook and insulated therefrom, a connection for said spring extending through the arm and adapted to be connected with the.
otherwire of the generator-circuit, a hanger secured to the bell and forming one terminal of the magnet circuit, and a contact carried by the bell forming the other terminal of the magnet-circuit, said hanger being arranged to engage the hook to support the bell and said contact being arranged to engage said spring when the bell is so supported.
3. In an electric bell, the combination of a post which suspends the bell-magnet from the crown of the bell, an armature provided with a slot through which the post extends, a transverse groove in the post arranged to receive one edge of the armature-slot to form a pivoted bearing for the armature, and cooperating lugs and slots on the post and armature to hold the armature in its bearing.
CHARLES E. AVERY.
itnesses:
FREDERICK WV. Manama, O. H. I'IUIGBIGL.
US19841504A 1904-03-16 1904-03-16 Electric bell. Expired - Lifetime US802675A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611014A (en) * 1950-09-06 1952-09-16 Wells Inc Actuated christmas tree ornament
US4792795A (en) * 1985-05-02 1988-12-20 Foran Roderick F Electro-mechanical locomotive bell ringing apparatus for quick and easy replacement of existing pneumatic bell ringing systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611014A (en) * 1950-09-06 1952-09-16 Wells Inc Actuated christmas tree ornament
US4792795A (en) * 1985-05-02 1988-12-20 Foran Roderick F Electro-mechanical locomotive bell ringing apparatus for quick and easy replacement of existing pneumatic bell ringing systems

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