Signals and indicators – Bells – Gong type
Patent
1974-11-18
1976-03-23
Queisser, Richard C.
Signals and indicators
Bells
Gong type
116167, 58 9, 58 2112, 84406, G10K 1065
Patent
active
039453405
ABSTRACT:
A device for striking a bell comprises a hammer head having a head portion composed of hard material and another head portion composed of soft material to obtain both hard and soft sounding bell rings. The hammer head is connected to a rockable striking hammer lever which is driven with a rocking motion by a rotating eccentric cam to cause the hammer head to strike the bell. The center of rocking motion of the striking hammer lever can be shifted both manually and automatically to selectively vary the hardness and softness of the bell ring.
REFERENCES:
patent: 3529567 (1970-09-01), Storm et al.
Adams Bruce L.
Burns Robert E.
Kabushiki Kaisha Seikosha
Lobato Emmanuel J.
Queisser Richard C.
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