Automatic gong trigger, has retaining unit fastened on base unit, clapper drive fastened perpendicularly to clapper, where sounding body is fastened to trigger and is struck periodically, under even and uneven interval times

摘要

The trigger has a retaining unit (3) fastened on a base unit (1), and a clapper drive fastened perpendicularly to a clapper. The plate is driven by an electro motor, which is controlled by a control unit, which provides continuous and non continuous revolutions for the motor. A sounding body (18) is fastened to the trigger and is struck periodically, under even and uneven interval times.