Patent · US Expired

Key arrangement for a control panel

US7041922B2 · kind B2 · utility

13Cited by

2References

19Claims

0Family size

Assignee

Prettl Appliance Systems GmbH · DE

Inventors

Peter Geiger · Austin, US
Ronald Hegewald · Hemau, DE
Michael Seikel · Berlin, DE

Key dates

Filing date	Sep 16, 2004
Grant date	May 9, 2006
Priority date	—
Expiry date	Sep 16, 2024

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2237/002
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention proposes a key arrangement for a control panel, particularly for domestic machines such as washing machines, driers etc., having at least one key with a front control face and at least one backward-protruding projection, a key support which has at least one opening through which the projection passes, and elastic means which are borne on the back of the key support, the elastic means engaging with the projection which passes through the opening and prestressing the key forwards from the key support.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.