FIELD: physics.
SUBSTANCE: proposed bell contains case and clapper-shaped impact device, clapper impact part being made of material of hardness smaller than that of material used for bell case. Clapper impact part is demountable and rotary relative to clapper rod and installed on core cone on tight fit. In the process of bell service, if required, clapper design provides turning or replacement of its impact part.
EFFECT: protection of case from deformation in impact areas and elimination of sound jingling effect.
2 dwg
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