|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||015/327.1; 015/327.2; 015/353|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 7|
The disclosed cleaning device has a suction unit that can be used to take in liquid, a tank that can be used to hold the liquid, a mouth that can be used to pour liquid from the tank, and wheels that form a base. It also has a pivot that can be used to rotate the tank between a normal use position and a pouring position. The pivot is arranged so that in the pouring position, the center of gravity of the unit remains within the horizontal range of the base, even as the mouth of the tank falls outside the horizontal range of the base. As shown, the pivot ...
The invention claimed is: 1. A vacuum cleaner that has: a wheelbase; a tank that has an outer, circumferential wall and holds liquid; a suction unit that connects to the tank and takes in liquid; a mouth on the tank that can be used to pour liquid from the tank; a hinge that is connected to an elevated portion of the outer wall and has an axis that is tangent to the outer wall; and a pivot that is positioned within the wheelbase, connects the hinge to a raised portion of the base, and enables the tank to rotate between a use position and a pouring posit...