Motor actuated bell

Details Motor actuated bell Motor actuated bell

1980-07-10

1981-12-29

Pitts, Harold I.

Communications: electrical

Audible indication

Percussion-type sound producer

340392, 340402, G10K 1064

Patent

active

043085296

ABSTRACT:
A motor actuated bell which comprises a gong having an extension at a predetermined inner surface thereof; an electric motor having a drive shaft; transmission means for transmitting torque of said electric motor to a slotted ring to impart an angular moment to the ring. The transmission means has a projecting portion formed thereon to engage with the slot of the ring and a hammer for striking said gong at the extrusion of the inner surface in circular movement relation therewith. A connecting member operatively connects said hammer to said slotted ring. The motor actuated bell may preferably be used in a fire bell, an alarm bell or the like.

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

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