Patent ID: 8495788
Filing Date: 2013-07-30
Classification: A47L

Abstract:
1. A vacuum cleaner comprising: a main housing having a suction cavity and a motor housing; a dirt separator removably mounted in the suction cavity and having a separation chamber having an inlet opening and an outlet opening; a vacuum fan/motor mounted in the motor housing of the main housing and having a suction inlet in communication with the dirt separator outlet opening and adapted to maintain a flow of dirty air through the separation chamber between the inlet opening and the outlet opening; a filter housing removably mounted in the main housing between the dirt separator outlet opening and the suction inlet of the vacuum fan/motor; a filter assembly removably mounted in the filter housing; and an interlock between the filter assembly, the filter housing and the main housing and comprising a locking rib fixed on the main housing that is adapted to prevent removal of the filter assembly from the filter housing prior to removal of the filter housing from the main housing.