|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||005/417; 005/419; 005/420; 005/656|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 3 인용 특허 : 76|
A collapsible apparatus is provided that includes a frame configured to form a closed loop, the frame being moveable between a coiled configuration and an uncoiled configuration. A sleeve is configured to receive the frame and to define an opening within at least a portion of the closed loop. An attachment mechanism is coupled substantially about the periphery of the sleeve. A fabric member is removably coupled to the sleeve such that it is easily removed. A method of making mats according to an embodiment of the invention includes cutting fabric members...
1. A method of making a plurality of collapsible apparatuses each having a collapsed configuration and an expanded configuration, each having a sleeve configured to receive a frame; and each having a fabric member having a body membrane, the fabric member configured to be removably coupled to the sleeve, said method comprising: cutting a first fabric member and a second fabric member from a first sheet of material; cutting a first body membrane and a second body membrane from a second sheet of material, the second sheet of material having a length-wi...