Doorbell base

Details Doorbell base Doorbell base

1996-04-25

1997-08-19

Hofsass, Jeffery

Communications: electrical

Systems

Audible signals

34038473, 3403921, 3403922, 3403924, 3404011, 116155, 116169, G08B 300

Patent

active

056592868

ABSTRACT:
A doorbell base is made integrally and is provided with two resonators and a hollow housing located between said two resonators. Each of two resonators is provided respectively at two opposite side walls thereof with a locating projection for locating a soft plug of the chime bars. The housing is provided respectively at two opposite sides thereof with a frame hole having at a bottom end thereof an indentation formed integrally with the base. The housing is provided therein with a rectangular hole having two locating clamp bodies with a hooked portion for locating the diminishing neck of a striker. The striker is provided with a coil assembly which is fastened with a fastening piece of power source wires for generating a magnetic repulsion capable of actuating the striker rod of the striker to strike the chime bars to bring about a musical tone.

REFERENCES:
patent: 2820913 (1958-01-01), Christy
patent: 3246321 (1966-04-01), Doggart
patent: 3284797 (1966-11-01), Roswell
patent: 5508680 (1996-04-01), Larsen et al.

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