US Patent 7360274 Vacuum cleaner having integral frame assembly and removable main body

A vacuum cleaner having an integral frame assembly and a detachable main body connected to the frame assembly comprises a nozzle assembly for drawing in an air from a surface to be cleaned, the air containing dust and dirt, a main body, and a frame assembly including a frame body and a connecting portion integrally formed with a lower part of the frame body. The main body includes a body frame, a dust collector connected to the body frame for separating the dust and dirt from the air drawn into the dust collector, and a drive motor for generating a suction force. According to the present invention, the main body of the vacuum cleaner is easily attached to and detached from the frame assembly.