Improved drum assembly for washing and drying machines and...

D - Textiles – Paper – 06 – F

Patent

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Details

D06F 37/02 (2006.01) D06F 58/04 (2006.01)

Patent

CA 2286848

The present invention relates to an improved drum assembly for washing and drying machines, in which the section of the wedge elements (8) facing the drum ring (3) and provided for engaging with the latter is formed, before the drum assembling, with an edge ( 9) defined by an inwardly turned wall of the wedge element and parallel to the surface of the front ring (3). This front ring is in turn provided, at each wedge element (8) with a window (10) the contour of which is so deformed as to provide a deformed portion (11) adapted for firmly engaging the edge (9). The invention provides a direct mechanical coupling between the wedge elements and front ring element, i.e. a mechanical coupling which does not comprise any welding spots susceptible to favor oxidation and sealing failure problems of the made connection.

La présente invention concerne un ensemble tambour amélioré pour machines lavantes et séchantes, sur lequel des parties d'éléments cunéiformes (8) font face à l'encadrement du tambour (3), de manière à venir s'emboîter dans ce tambour avant son assemblage, le bord (9) de ces éléments cunéiformes étant défini par une paroi tournée vers l'intérieur de ces éléments cunéiformes, parallèlement à la surface de l'encadrement avant (3). Cet encadrement avant présente lui aussi des éléments cunéiformes (8), chacun d'entre eux étant pourvu d'une fenêtre (10), dont le contour est si déformé qu'il constitue une partie déformée (11), conçue pour entrer solidement en contact avec ledit bord (9). Cette invention concerne également un raccord mécanique direct entre lesdits éléments cunéiformes et ledit encadrement avant, c'est-à-dire un raccordement mécanique dépourvu de points de soudure susceptibles de favoriser une oxydation et de provoquer des problèmes liés au colmatage de ce raccordement.

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