|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 5 인용 특허 : 4|
A device for keeping lawn waste or other flexible refuse bags open while filling. The device is made of a resilient and flexible material so that it can be squeezed and easily inserted into the top opening of a refuse bag. The size of the device is proportional to the interior circumference of the opening of the bag so that the device expands when released securing itself within the opening of the bag. The shape of the device is that of a rectangular perimeter of a hyperbolic paraboloid or saddle, having segments that grip the interior corners of the bag...
1. A device for maintaining a mouth of a refuse bag in an open position, said device being comprised of a frame having the general shape of a rectangular perimeter of a hyperbolic paraboloid, having upper, middle and lower portions with a rectangular opening and being made from a resilient and flexible material, said middle portions being oriented in a generally perpendicular position relative to said upper portions and said lower portions, said device being temporarily changeable from an uncompressed shape to a compressed shape when subjected to pressur...