Vacuum cleaner

A vacuum cleaner includes a housing and at least one running roller operatively connected to the housing. The roller has a hub, a running ring, a wall connecting the running ring and the hub. The wall has two side surfaces and a curved cross-section between the running ring and the hub. The roller h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BOTT ERICH, ILLIG ROLAND, KOMESKER HEINRICH
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS AXLES FOR WHEELS OR CASTORS CASTORS COFFEE MILLS DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE GAMES HUMAN NECESSITIES INCREASING WHEEL ADHESION PERFORMING OPERATIONS ROLLER SKATES SKATES SKIS SPICE MILLS SPORTS SUCTION CLEANERS IN GENERAL TRANSPORTING VEHICLE WHEELS VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A vacuum cleaner includes a housing and at least one running roller operatively connected to the housing. The roller has a hub, a running ring, a wall connecting the running ring and the hub. The wall has two side surfaces and a curved cross-section between the running ring and the hub. The roller has at least one reinforcing rib extending at least from one of the two side surfaces of the wall and being in contact with neither the hub nor the running ring in a non-loaded state of the running roller. The roller forms an elastic caster with a nave and a bearing race. The nave and the bearing race are connected to another by an S or Z-shaped curved wall. Ribs are provided for reinforcing the wall or the nave.