A sounding body unit has a sounding body, a mesh section, and a housing mounting the sounding body with the mesh section. The housing has a projection, and the projection is pressed against the mesh section in order to prevent the mesh section from resonating with sounds radiated from the sounding body....http://www.google.es/patents/US20060245613?utm_source=gb-gplus-sharePatente US20060245613 - Sounding body unit for preventing occurrence of abnormal sounds
Sounding body unit for preventing occurrence of abnormal sounds
