Vacuum cleaner nozzle lift device

摘要

A vacuum cleaner nozzle adjuster for adjustably positioning a nozzle opening relative to the surface being cleaned so as to accommodate surfaces of all textures in which an integral manually accessible thumb wheel, lifting cam and locking ratchet unitary member is provided that is rotatable by manual engagement to cause the lifting cam operating against a movable front wheel support for the housing to properly position the nozzle opening and a pawl engages the locking ratchet to hold the wheel and nozzle in adjusted position.