US Patent 9138114 Surface cleaning apparatus

An upright surface cleaning apparatus comprises a support structure moveably connected to a surface cleaning head and a surface cleaning unit that is detachably connected to the support structure. The surface cleaning unit is selectively connectable to the surface cleaning head by an airflow conduit. The airflow conduit can be detached from the surface cleaning head and attached to a cleaning wand or second surface cleaning head. The cleaning wand may be bendable.