Suction hose for vacuum cleaner has flexible tube for covering entire first hose part and section of second hose part, in which flexible tube has length corresponding to length of first hose part in extended state

摘要

The suction hose has a flexible tube (3) for covering the entire first hose part (1) and section of the second hose part (2). The flexible tube has a length corresponding to the length of the first hose part in extended state. A spiral spring is integrated in the wall of the first hose part to readjust the first hose part automatically from extended state to shortened state. The first hose part and second hose part are variable in length. The flexible tube is connected at one end of the first hose part. The second hose part is connected at the other end of the first hose part.