|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B63C-009/28 B63B-035/76 A47C-015/00 B63B-007/08 B63B-029/04|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 153|
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 flotation device, comprising: a mesh membrane having a first edge and a second edge on an opposite side of the mesh membrane from the first edge, a distance between the first edge of the mesh membrane and the second edge of the mesh membrane defining a width of the mesh membrane;an inflatable member disposed about the mesh membrane and forming a closed loop, the inflatable member having a first portion and a second portion, the first portion of the inflatable member and the second portion of the inflatable member being disposed at opposi...