|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 16 인용 특허 : 84|
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. A collapsible device, comprisinga panel including an inner portion and an outer portion; a spring disposed about the outer portion of the panel, the spring being movable between a coiled configuration and an uncoiled configuration; a back support member disposed at an end of the panel; a support member traversing the panel, the support member including a first end and a second end coupled respectively to a first location and a second location of an outer portion of the panel, the inner portion of the panel being disposed proximate to the support membe...