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...

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Bibliographic Details
Main Authors BOTT ERICH, ILLIG ROLAND, KOMESKER HEINRICH
Format Patent
LanguageEnglish
Published 29.08.2006
Subjects
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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Summary: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.
Bibliography:Application Number: US20030747707