US89331A - Improved door-bell - Google Patents

Improved door-bell Download PDF

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Publication number
US89331A
US89331A US89331DA US89331A US 89331 A US89331 A US 89331A US 89331D A US89331D A US 89331DA US 89331 A US89331 A US 89331A
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Prior art keywords
bell
hammer
improved door
plate
lever
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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 or gongs
    • G10K1/06Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs 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 or gongs 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 or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
    • G10K1/064Operating or striking mechanisms therefor
    • G10K1/0645Operating or striking mechanisms therefor provided with loudness adjustment

Definitions

  • a gong-bell screwed on to the post marked F and covering the inside or working part of the bell, except the end of the lever A, to which the wires for operating the same are attached.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromechanical Clocks (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Description

. O. A. NORTH.
Door Bell.
Patented April 27, 1869.
W703.- Inca nick. zzfm me wfi twtw game eeae ORRIN A. NORTH, OF NEW BRITAIN, CONNECTICUT.
Letters Patent No. s9,3 aated A ril 27, 1869.
IMPROVED DOOR-BELL.
The Schedule referred to in these Letters Patent and making part of the same.
To all whom it may concern Be it known that I, ORRIN A. NORTH, of the town of New Britain, county of Hartford, State of Connecticut, have invented a new and improved Way of Operating the Hammer in a Door or Table-Gall Bell; and
of the bell by a pull on a geared lever, and that working a ratchet and wheel, causing the hammer to strike the bell two, three, or more times at each pull while in the act of ringing the bell.
To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation. V
It is operated by a lever, as shown in the drawing at letter A, on one end of which there is a gear,.forming a part circle, as shown in fig. 3, working on a pin or stud, as its fulcrum, as shown at H on the drawing matching into and operating a gear-wheel, B, as shown in fig. 3, which sets on a pin or stud marked 0, and
sitting on the same pin or stud that the geared wheel B works upon, and .lying'upon it is a circular plate, with pins in the upper surface of the plate to operate the hammer, as shown atO in the drawing. Upon the lower side of the plate 0 (the plate being larger than the gear-wheel B) is attached a ratchet, operated by a spring, as shown in fig. 2, which catches into the teeth of the gear-wheel B, turning the plate 0 and operating the hammer, the plate 0 being held stationary by a friction-spring, (a part of the same spring which operates the hammer,) while the lever A is thrown back to its place after being pulled in the act of ringing the hell by the spri'ng D, as shown in the drawing, the spring being attached to the bell-post,
marked F, reaching out on the shank of the lever A, these bearing upon a pin set in said shank, as shown at A. The situation and operation of the hammer will be shown in the drawing at E. The bell.
used is a gong-bell, screwed on to the post marked F and covering the inside or working part of the bell, except the end of the lever A, to which the wires for operating the same are attached.
What I claim as my invention, and desire to secure by Letters Patent, is- The application of a lever-gear, matching into a gear-wheel or shaft, in combination with a ratchet and plate with pins or arms thereon, for the better operation of the hammer, to a door or call-bell, substantially as set forth and described in the above specification.
' ORRIN A. NORTH. Witnesses:
RICHARD S. PORTER, LESTER A. Vrnnnnrs.
US89331D Improved door-bell Expired - Lifetime US89331A (en)

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