Motor actuated bell

Details Motor actuated bell Motor actuated bell

1980-07-10

1981-12-15

Pitts, Harold I.

Communications: electrical

Audible indication

Percussion-type sound producer

340392, 340402, G10K 1064

Patent

active

043062270

ABSTRACT:
A motor actuated bell comprising a motor having a drive shaft; transmission means for transmitting the rotational movement of the shaft to a second supporting shaft; a cam member which is fixedly mounted on the second supporting shaft; at least two hammer driving means disposed to be capable of moving reciprocally back and forth in relation to the gong and arranged respectively in continuous contact with the cam surface by a biased force of each first resilient means which is provided to said respective hammer driving means; and a hammer connected to each hammer driving means through a second resilient means so as to transmit the reciprocal movement of said hammer driving means to the hammer thereby striking the gong with the hammer. 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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