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1. (US20040050117) Porthole door for a front-loading drum washing machine
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

Claims

1. A porthole door ( 2) for a front-loading drum washing machine with a hinged frame ( 4) on the housing ( 1) of the washing machine, consisting of a supporting ring ( 6) and a retaining ring ( 8), and having an inspection glass ( 5) which is recessed in the form of a cup in the direction of the interior of the drum, said inspection glass being protected by a cover ( 9) against access at the level of the external retaining ring ( 8) of the frame ( 4), wherein the edge ( 10) of the cover ( 9) is fixed to the frame ( 4), characterised in that the cover ( 9) is made of flat glass cooled by means of a model mould.
2. The porthole door according to claim 1, characterised in that the cover ( 9) is encompassed by the retaining ring ( 8) at its narrow casing side.
3. The porthole door according to claim 2, characterised in that the retaining ring ( 8) has a flat section ( 11) which abuts against the edge ( 10) of the cover ( 9) from inside.
4. The porthole door according to claim 3, characterised in that the retaining ring ( 8) is constructed in two parts and consists of a part containing the flat section ( 11) and a thrust ring ( 12) having an outer diameter the same as the inner diameter of the flat section, and that the thrust ring ( 12) is clamped between the inside of the cover ( 9) on the one side and the outside of a flange ( 7) of the inspection glass ( 5) and supporting surfaces at the front of the supporting ring ( 6).
5. The porthole door according to one of claims 2 to 4, characterised in that the part of the retaining ring ( 8) containing the flat section ( 11) narrowly overlaps the edge ( 10) of the cover ( 9) to a width smaller than the thickness of the cover ( 9) towards the front.
6. The porthole door according to one of the preceding claims, characterised in that the cover ( 9) is bonded to the retaining ring ( 8).
7. The porthole door according to one of claims 1 to 5, characterised in that the retaining ring ( 8) is bonded to the front surface of the inspection glass ( 5).
8. The porthole door according to claim 5, characterised in that the cover ( 9) is moulded with the edge section of the retaining ring ( 8) made of thermoplastic plastic.