Suction tube for a vacuum cleaner

US7874041B2 · kind B2 · utility

Assignee

• MIELE & CIE. KG · DE

Inventors

• Kai Buller · Glandorf, DE
• Dirk Wegener · Bielefeld, DE

Key dates

• Filing date: Nov 17, 2005
• Grant date: Jan 25, 2011
• Expiry date: May 9, 2028

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A47L9/244
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

A suction hose for vacuum cleaner includes a tubular inner part, a jacket part and a locking device. The inner part is variable in length and includes a hose wall having a coil spring integrated therein, the coil spring being configured to automatically return the inner part from an extended position to a shortened position. The jacket part is configured to completely receive the inner part when the inner part is in the shortened position, the jacket part including a tubular shape. The locking device is configured to fix the inner part, in the shortened position, in the jacket part. The locking device includes a tubular member configured to surround the inner part, the tubular member including a first part of a first snap-fit device configured to cooperate with the jacket part so as to connect the tubular member and the jacket part.