US Patent 10092147 Vacuum cleaning device

A vacuum cleaning device comprises: a housing; a motor and fan assembly for generating an airflow between an air inlet and an air outlet. A removable dirt collection bin receives dirt in the airflow. The dirt collection bin is located in fluid communication between the air inlet and air outlet and mountable to the housing. A locking mechanism is moveable between a locked position and an unlocked position for releasably coupling the dirt collection bin to the housing. An ejection mechanism arranged to eject the dirt collection bin away from the housing when the locking mechanism is in the unlocked position.