Manually driven generating mechanism for doorbells

Details Manually driven generating mechanism for doorbells Manually driven generating mechanism for doorbells

G - Physics

10

H

84/1.1

G10H 1/00 (2006.01)

Patent

CA 1139972

ABSTRACT OF THE DISCLOSURE The present invention relates to an improved gyro-type manually operated dynamo mechanism applied to appliances consuming limited momentary power. Energy is stored by streesing a spring which, when released, keeps in mechanical connection with a train of acceler- ation gears terminating in a relatively heavy flywheel when the stressed spring is released to resume its unstressed state, and disconnects therewith when the spring reaches unstressed condition and allow the fly- wheel to rotate freely, thereby enhancing the exploita- tion of the energy stored in the flywheel in the form of inertia to produce the requisite electricity to sound the buzzer.

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