Motor driven bell

Details Motor driven bell Motor driven bell

1998-02-13

1999-11-16

Hofsass, Jeffery A.

Communications: electrical

Audible indication

Percussion-type sound producer

3403922, 3403924, 340692, 116152, 116148, G08B 300

Patent

active

059865415

ABSTRACT:
A motor driven bell for producing a sound of a bell in a manner that a hammer member hits a gong through the use of a driving force of a motor. The motor driven bell comprises a supporting shaft A1 born on a front side between a pair of opposed frames, a forward and backward swingable shaft A2 suspended by a suspending arm A3 under the supporting arm A1, a supporting shaft B1 born at a rear portion between the pair of frames, and a forward and backward swingable shaft B2 suspended by a suspending arm B3 under the supporting shaft B1, a forward and backward swingable hammer member held by the swingable shafts A2, B2, and a gong to be hit with the hammer member. A crank mechanism is provided for converting rotation of a shaft of the drive motor into a swinging motion of the swingable shaft B2, thereby hitting the gong by the hammer member to produce the bell sound.

REFERENCES:
patent: 2269098 (1942-01-01), Garnett
patent: 4380758 (1983-04-01), Ishii
patent: 5150097 (1992-09-01), Sakaguchi
patent: 5587697 (1996-12-01), Rent

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