A water filter system includes a removable filter unit having a body portion including a proximal end and a distal end. The proximal end is adapted to be inserted into a filter head assembly. A laterally extending key member is disposed on the body portion and adapted to engage a key slot in the filter head assembly. An engagement protrusion extends from the proximal end. The engagement protrusion includes a first portion that has a first radius of curvature and a second portion opposing the first portion that includes a second radius of curvature that is larger than the first radius of curvature.
申请公布号
US2013068682(A1)
申请公布日期
2013.03.21
申请号
US201113233309
申请日期
2011.09.15
申请人
KRUCKENBERG CHRISTOPHER A.;MORRISON JOHN W.;SPINDLER JEFFREY A.;WHIRLPOOL CORPORATION
发明人
KRUCKENBERG CHRISTOPHER A.;MORRISON JOHN W.;SPINDLER JEFFREY A.