Patent · US Expired

Porthole window for a front-loading drum-type washing machine

US6748771B2 · kind B2 · utility

7Cited by

2References

23Claims

0Family size

Assignee

BSH Bosch und Siemens Hausgeräte GmbH · DE

Inventors

Kai Nitschmann · Oderberg, DE
Wolfgang Proppe · Berlin, DE

Key dates

Filing date	Dec 23, 2002
Grant date	Jun 15, 2004
Priority date	—
Expiry date	Dec 23, 2022

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06F39/14
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A porthole window includes a circular base section being a viewing glass having a substantially planar inner surface and a border region, and a rigid plastic side-wall section of the bowl tapering in a direction of the base section. The viewing glass, over an entire border region of the base section, is curved in a direction of the side-wall section such that the border region of the base section forms a rounded glass shoulder. On the outer border of the glass shoulder, the viewing glass has an annular connecting section running obliquely in relation to the inner surface of the base section and, at its head end, firmly engages with the inner end of the side-wall section.

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