发明名称 Method and apparatus for preventing eyeglasses from sinking in water
摘要 An eyeglass retainer is provided for holding eyeglasses afloat in the event the eyeglasses accidentally fall into a body of water. The eyeglass retainer is comprised of an elongated, water impervious, resilient hollow flexible tube having open ends which grip the bows of an eyeglass frame and a float in the form of an open celled plastic block having a pair of parallel openings therethrough. The flexible tube is threaded through the openings prior to attachment of the ends of the tube to the eyeglass bows. The block has a buoyancy greater than the weight of the eyeglasses to thereby hold the eyeglasses close to the surface of a body of water.
申请公布号 US5019000(A) 申请公布日期 1991.05.28
申请号 US19890395893 申请日期 1989.08.18
申请人 STEPHENS, WILLIAM H. 发明人 STEPHENS, WILLIAM H.
分类号 B63B22/00;G02C3/00;G02C5/00;G02C11/00 主分类号 B63B22/00
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