Patent ID: 8161599

Claim:
An upright vacuum cleaner comprising: a base for movement across a surface to be cleaned; an upright housing pivotally mounted to the base; a module mounted to the upright housing and having a cyclonic separator chamber for separating contaminants from a dirt-containing airstream, the housing further comprising an inlet and an outlet in fluid communication with the separator chamber, and a collection chamber for receiving contaminants separated in the separator chamber; a suction nozzle mounted to the base and fluidly connected with the inlet; a suction source mounted in the upright housing and fluidly connected to the suction nozzle and to the separator chamber for establishing and maintaining a dirt-containing airstream from the suction nozzle to the inlet; a frame mounted in the upright housing; a substantially planar first filter positioned in the frame upstream of the suction source; and a substantially planar second filter positioned in the frame downstream of the suction source and substantially co-planar to the first filter.