Pressing the button closes the circuit, the electromagnet attracts the armature A, so that the hamm

CHIME ELECTRIC
It is an application of the electromagnet. Consists of an electromagnet, an armature to be placed before the poles and the elastic sheet L on which it rests can move thanks; at the other end carries baldwin brass ornaments a hammer M, close to the hood C, also has a screw T that in the normal position is in contact with the bar A. a P-stack, which can be replaced by the line current, and complete the circuit B button.
Pressing the button closes the circuit, the electromagnet attracts the armature A, so that the hammer M da in the hood C. but at the same instant, A loses contact with the screw T and therefore the circuit is open. The electromagnet loses its magnetism and fails to attract the armature A, which again makes contact with the screw. Upon closing the circuit, the electromagnet is magnetized and attracts new armor, which takes another hammer blow to the bell. This process is repeated many times per second, resulting in the familiar clatter.
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