Electrically operated bell

Details Electrically operated bell Electrically operated bell

1980-07-17

1981-08-25

Pitts, Harold I.

Communications: electrical

Audible indication

Percussion-type sound producer

340399, 340402, G10K 1064, G08B 310

Patent

active

042862590

ABSTRACT:
An electrically operated bell comprises an electric drive means and a pivotal lever supporting a hammer means. The lever is operatively connected to the drive means for intermittently moving the hammer means into striking contact with a gong. The lever has a pivot adjusting means by which the fulcrum of the pivotal lever can be varied.

REFERENCES:
patent: 4183018 (1980-01-01), Sakaguchi

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