Patent ID: 7937802

Claim:
A vacuum cleaner, comprising: a suction nozzle assembly to draw in dust or dirt along with air while moving along a surface to be cleaned; a cleaner body having a dust separating unit to separate and collect the dust or dirt from the air drawn in from the surface to be cleaned; a supporting unit hingedly joined to the suction nozzle assembly to support a lower part of the cleaner body to communicate with the suction nozzle assembly; and a locking unit to detachably lock the lower part of the cleaner body to the supporting unit, wherein the locking unit comprises: a first locking part to support a lower surface of the cleaner body and the supporting unit so as not to move with respect to each other, and a second locking part to detachably fix one side surface of the lower part of the cleaner body and the supporting unit to each other, wherein the second locking part comprises: at least one locking groove formed on the one side surface of the lower part of the cleaner body; a locking member rotatably supported on the supporting unit, and having at least one hook locked in the at least one locking groove when the cleaner body is mounted on the supporting unit; and an elastic member to elastically urge the locking member to allow the at least one hook to be locked in the at least one locking groove when the cleaner body is mounted on the supporting unit, and wherein the locking member comprises an Y-shaped lever, a first end of which has at least one hook projecting out of the supporting unit toward the at least one locking groove, a second end of which has a pedal projecting out of the supporting unit to allow a user to push, and a third end of which has a contact part disposed in the supporting unit to come in contact with the lower surface of the cleaner body and thus to lift up the cleaner body when the pedal is pushed.