Suction tube for a vacuum cleaner

摘要

The cleaner has a suction fan and a dust separation device that are housed in a body (2). The body is connected to an aspiration nozzle (24) through a flexible hose (40). The nozzle is placed in a rigid pipe (20) of the hose. The pipe has a hinge (26) at a mid-length of the pipe for rotating a portion of the pipe to 180 degrees with respect another portion in a direction outside a usual advancement plane of the pipe. A sealing unit is placed between the portions. The hinge is associated to a locking device e.g. hook, that locks the portions by abutting the portions.