Motor actuated bell
AssigneeKobishi Electric Co., Ltd.
InventorTadashi Ishii
Life of this patent
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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.
Claims4
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, said transmission means having a projecting portion formed thereon to engage with the slot of the ring;
- a hammer for striking said gong at the extrusion of the inner surface in circular movement relation therewith and
- a connecting member for operatively connecting said hammer to said slotted ring.
Dependencies are inferred from the claim text.