Pumping device

US6612819B1 · kind B1 · utility

Assignee

• The Braun Corporation · DE

Inventors

• Stefan Furst · Kronberg, DE
• Werner Haczek · Idstein, DE
• Andreas Peter · Celle, DE

Key dates

• Filing date: Aug 16, 2001
• Grant date: Sep 2, 2003
• Expiry date: Aug 16, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A45D2026/009
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A pumping device for drawing in and delivering a liquid to a liquid dispensing device of a hair removing apparatus the pumping device includes a pump inlet and a pump outlet and a pumping element. The pumping device is formed by a first and a second housing part each having integrally formed therein a first and a second flow channel. The pumping device includes a membrane member disposed between the first and the second housing part the membrane member includes a pumping element and at least one valve element. The pump inlet is adapted to be coupled to a liquid dispensing device and the pump outlet to a liquid container.