|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 117|
A collapsible flotation device is provided that uses a coilable spring coupled to a panel to collapse the device when the spring is coiled, and to expand the device when the spring is uncoiled configuration. The spring can be contained within a sleeve along the outer portion of the panel. A support member that traverses the panel is provided. An inflatable bladder disposed about a part of the outer portion of the panel and coupled to the support member buoyantly supports a body weight of a user. The combination of the inflatable bladder and the support m...
1. An apparatus, comprising: an inflatable member defining an opening and having an inner perimeter adjacent the opening, the inflatable member including a back support portion; anda mesh membrane including a seat portion and a back portion, the mesh membrane disposed entirely over the opening of the inflatable member, at least a portion of the seat portion of the mesh membrane being water permeable, at least a portion of the back portion of the mesh membrane being disposed on a portion of the inflatable member;the inflatable member and the mesh membrane...