御女车>六下英语单词表专利名称：Earplug For An Ear Canal受力分析图
发明人：Saeed Seyed
申请号：US12434611
申请日：20090501科研设计
公开号：US20100275931A1
世界二战公开日：
夏仁虎
20101104
专利内容由知识产权出版社提供
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专利附图：
摘要：An earplug for an ear canal includes a cap for plugging the ear canal. The cap has a cover tapered at one end and a hollow post extending centrally from the end. An air gap is formed between the cover and the post. The cover further includes a flexible rubbery material that adjusts shape to match a shape of the ear canal and al the ear
canal. An inner spring holds the cap in the ear canal. The inner spring has a plurality of spring leafs about a central axis to fit within the hollow post where the spring leafs are compresd about the central axis and a force of the spring leafs flexes the cap to hold the cap in the ear canal. A ba is joined to an end of the inner spring for gripping the earplug for inrtion and removal of the earplug from the ear canal.
申请人：Saeed Seyed
地址：Los Altos CA US
国籍：US
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