发明名称 Toy stethoscope
摘要 A toy stethoscope having a resilient sound collector at one end thereof. The sound collector is soft and pliable so as to prevent injury to a person in the event the person is struck by the sound collector. The sound collector further comprises a damper formed from a soft sponge or foam material that prevents unpleasant pressure and/or injury to the ear drums in the event a loud sound is introduced into the sound collector due to someone yelling or blowing directly into the collector or the like.
申请公布号 US4177871(A) 申请公布日期 1979.12.11
申请号 US19770860696 申请日期 1977.12.15
申请人 QUAKER OATS CO THE 发明人 CLANTON, W PORTER
分类号 A61B7/02;(IPC1-7):A61B7/02;H04R25/00 主分类号 A61B7/02
代理机构 代理人
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