<p>Discs having recessed areas, or pockets, in their undersides are detailed. The pockets allow provision of increased suction in localized regions, especially useful when the body of an associated cleaner pivots from side to side. Downwardly-extending wear surfaces may be present as well within the pockets.</p>
申请公布号
WO2008131322(A2)
申请公布日期
2008.10.30
申请号
WO2008US60979
申请日期
2008.04.21
申请人
ZODIAC POOL CARE, INC.;ZODIAC POOL CARE EUROPE SAS;VAN DER MEIJDEN, HENDRIKUS, JOHANNES;MOORE, MICHAEL, EDWARD
发明人
VAN DER MEIJDEN, HENDRIKUS, JOHANNES;MOORE, MICHAEL, EDWARD