Patent ID: 9492045
Filing Date: 2016-11-15
CPC Classification: A47L

Claim Text:
1. A surface cleaning apparatus comprising: a) an air flow passage extending from a dirty air inlet to a clean air outlet; b) an air treatment member positioned in the air flow passage; c) a suction motor positioned in the air flow passage and having a motor axis; and, d) a filter assembly downstream of the air treatment member and upstream of the suction motor, the filter assembly comprising a first end having a first end wall, a longitudinally extending filter support wall and a longitudinally extending foam filter media, the longitudinally extending filter support wall defining a hollow interior which has first and second longitudinally spaced apart ends and a longitudinal axis, the first end of the hollow interior closed by the first end wall, the filter support wall having first and second longitudinally spaced apart ends and a central portion that is spaced from each of the first and second ends by solid portions, wherein each of the solid portions and the central portion extends continuously around a perimeter, the central portion having a plurality of openings, the filter media having a longitudinally extending outer wall which is an upstream wall and a longitudinally extending inner wall which is a downstream wall and which defines a hollow interior of the filter media, wherein the filter support wall is located downstream of the downstream wall of the filter media and the filter media overlies each of the solid portions wherein each of the solid portions has a height in the longitudinal direction sufficient to inhibit bypass of the foam filter media.