Abstract: A vacuum cleaner is disclosed. The vacuum cleaner includes a motor casing to receive a driving motor with an air outlet through which air from a dust collecting chamber flows. The vacuum cleaner includes a cleaner body with a driving chamber that receives the motor casing therein. An air discharge unit is disposed at the cleaner body through which air which flows from the motor casing of the driving motor is discharged to an outside of the driving chamber. Noise reduction is achieved by guiding and reversing a discharging direction of air discharged from the motor casing at least two times.

Abstract: A multifunction vacuum cleaner, in which a main body is removably connected to a frame portion, comprises a nozzle assembly for suctioning in an air including dusts or dirt on a cleaning area, a main body having a cyclone dust collector for centrifugally separating the dusts or dirt from the sucked air, a dust receptacle for collecting the separated dusts or dirt, a main body frame having an upper casing and a lower casing, a button operation portion formed on an upper part of the main body frame, and a connecting projection integrally formed with the button operation portion and moving elastically, and a frame portion which is pivotably connected with the nozzle assembly, and having a connecting groove to correspond to the connecting projection. The main body of the vacuum cleaner is removably mounted in the frame portion. As a result, the main body can be conveniently connected with or separate from the frame portion.

Abstract: A vacuum cleaner having an integral frame assembly and a detachable main body connected to the frame assembly comprises a nozzle assembly for drawing in an air from a surface to be cleaned, the air containing dust and dirt, a main body, and a frame assembly including a frame body and a connecting portion integrally formed with a lower part of the frame body. The main body includes a body frame, a dust collector connected to the body frame for separating the dust and dirt from the air drawn into the dust collector, and a drive motor for generating a suction force. According to the present invention, the main body of the vacuum cleaner is easily attached to and detached from the frame assembly.

Abstract: An upright type vacuum cleaner has a locking to selectively restrain the pivoting of a handle assembly when the handle assembly is pivoted to be in a right angle with respect to a base. The locking device includes a locking portion disposed at a side of the base, a locking protrusion movably disposed at the handle assembly and selectively moving between a locking position where the locking protrusion contacts with the locking portion and an unlocking position where the locking protrusion releases out of the locking portion, and a pedal member pivotably disposed at the handle assembly to move the locking protrusion. As the pedal member is disposed at the handle assembly, the size of the base can be reduced and the manipulation of the pedal member becomes easy.

Abstract: A hose connection assembly for a vacuum cleaner comprises a flexible hose having one end connected to the dust-collecting chamber, a hose holder connected to the other end of the flexible hose and removably connected to a connection part of the suction brush, and a handle mounted on the hose holder to assist in connecting and disconnecting the hose holder with respect to the connection part. A mounting portion having a circumferential bead is preferably formed on an outer circumference of the hose holder to mount the handle therein, and the handle is rotatably mounted on the mounting portion. The handle comprises a fixing portion shaped as a cylinder and is mounted on the mounting portion, and a holding portion protruding from one side of the fixing portion in a perpendicular direction, and the fixing portion has a larger diameter than the mounting portion, thereby providing rotatability about the mounting portion through 360°.

Abstract: A motor assembly for a vacuum cleaner for providing a user with a quieter environment during a cleaning work, and a vacuum cleaner having the same, is disclosed. The motor assembly includes a motor generating a suction force, an auxiliary filter member disposed on an airflow path connecting the motor to a dust-collecting apparatus for filtering a second time the air discharged from the dust-collecting apparatus, and a motor casing. The motor casing includes a first chamber connected to the dust-collecting apparatus with the auxiliary filter member mounted therein. A second chamber is connected to a discharge opening of the cleaner body and includes the motor mounted therein. A connection path is in fluid communication with the first chamber and the second chamber.

Abstract: Disclosed is a height adjusting apparatus for a suction brush of an upright vacuum cleaner, by which a user can facilely adjust a gap between the suction brush and a cleaning surface. The apparatus comprises a suction brush body; a height adjusting knob rotatably disposed at a seating portion formed in the suction brush body, and having a cam curve portion formed at a part of an end of the height adjusting knob inserted into the suction brush body, the cam curve portion having a height difference between a starting point and an end point thereof and a plurality of recessed grooves formed between the starting point and the end point; a height adjusting shaft integrally formed with a rod member which is contacted with the cam curve portion and lifted up and down according to a rotational direction of the height adjusting knob; and a brush front wheel rotatably coupled to the height adjusting shaft.

Abstract: An upright type vacuum cleaner having a small sized cyclone dust collecting apparatus and dust bag in a dust collecting chamber comprises a main body including the dust collecting chamber having an air inlet and an air outlet, and a motor driving chamber in fluid communication with the air outlet, a suction brush mounted adjacent the main body of the vacuum cleaner, a cyclone dust collecting apparatus detachably mounted on the main body of the vacuum cleaner and having a path connected to the air inlet of the dust collecting chamber for discharging a cleaned air, and a dust bag detachably disposed in the dust collecting chamber to collect the dust and filth separated from an air drawn in through the suction brush.

Abstract: An upright vacuum cleaner comprises a cleaner body, plural locking recesses in the cleaner body include a parallel position recess in which the locking protrusion is locked when the cleaner body rotates to a parallel position with respect to a surface to be cleaned. Additionally, a filter removal means, prevents a filter cover from being removed when the vacuum cleaner is being operated.

Abstract: A convertible vacuum cleaner has a nozzle comprising a suction port; a cleaner body having a filter housing in which a filter is mounted, and a motor housing in which a motor is mounted, the cleaner body for being removably connected with the nozzle, the suction port being connected with the filter when the cleaner body is connected with the nozzle; a locking member slidably disposed on a side of the nozzle; a slot formed in the motor housing for receiving the locking member and thereby preventing the cleaner body from separating from the nozzle; and a unlocking means for sliding out the locking member from the slot. By sliding the locking member, which is slidably disposed in the nozzle, into or out from the slot of the cleaner body, the nozzle and the cleaner body can be connected or disconnected simply.

Abstract: A hose connection assembly for a vacuum cleaner comprises a flexible hose having one end connected to the dust-collecting chamber, a hose holder connected to the other end of the flexible hose and removably connected to a connection part of the suction brush, and a handle mounted on the hose holder to assist in connecting and disconnecting the hose holder with respect to the connection part. A mounting portion having a circumferential bead is preferably formed on an outer circumference of the hose holder to mount the handle therein, and the handle is rotatably mounted on the mounting portion. The handle comprises a fixing portion shaped as a cylinder and is mounted on the mounting portion, and a holding portion protruding from one side of the fixing portion in a perpendicular direction, and the fixing portion has a larger diameter than the mounting portion, thereby providing rotatability about the mounting portion through 360°.

Abstract: A vacuum cleaner is disclosed. The vacuum cleaner includes a motor casing to receive a driving motor with an air outlet through which air from a dust collecting chamber flows. The vacuum cleaner includes a cleaner body with a driving chamber that receives the motor casing therein. An air discharge unit is disposed at the cleaner body through which air which flows from the motor casing of the driving motor is discharged to an outside of the driving chamber. Noise reduction is achieved by guiding and reversing a discharging direction of air discharged from the motor casing at least two times.

Abstract: A dust cover sealing apparatus of a vacuum cleaner comprises a first fence protruding from an edge of a dust collecting chamber and having a predetermine height, and a second fence protruding from an inner surface of the dust cover to contact an end of the first fence when the dust cover is mounted on a cleaner body, and a plurality of guide ribs protruding from an inner surface of the dust cover adjacent to a side of the second fence, for guiding the second fence so that ends of the first and second fences contact each other when the dust, cover is mounted on the cleaner body. Accordingly, the sealing efficiency of the dust collecting chamber is maintained, and the manufacturing cost is reduced.

Abstract: A motor assembly for a vacuum cleaner for providing a user with a quieter environment during a cleaning work, and a vacuum cleaner having the same, is disclosed. The motor assembly includes a motor generating a suction force, an auxiliary filter member disposed on an airflow path connecting the motor to a dust-collecting apparatus for filtering a second time the air discharged from the dust-collecting apparatus, and a motor casing. The motor casing includes a first chamber connected to the dust-collecting apparatus with the auxiliary filter member mounted therein. A second chamber is connected to a discharge opening of the cleaner body and includes the motor mounted therein. A connection path is in fluid communication with the first chamber and the second chamber.

Abstract: An upright type vacuum cleaner has a locking to selectively restrain the pivoting of a handle assembly when the handle assembly is pivoted to be in a right angle with respect to a base. The locking device includes a locking portion disposed at a side of the base, a locking protrusion movably disposed at the handle assembly and selectively moving between a locking position where the locking protrusion contacts with the locking portion and an unlocking position where the locking protrusion releases out of the locking portion, and a pedal member pivotably disposed at the handle assembly to move the locking protrusion. As the pedal member is disposed at the handle assembly, the size of the base can be reduced and the manipulation of the pedal member becomes easy.

Abstract: A vacuum cleaner having an integral frame assembly and a detachable main body connected to the frame assembly comprises a nozzle assembly for drawing in an air from a surface to be cleaned, the air containing dust and dirt, a main body, and a frame assembly including a frame body and a connecting portion integrally formed with a lower part of the frame body. The main body includes a body frame, a dust collector connected to the body frame for separating the dust and dirt from the air drawn into the dust collector, and a drive motor for generating a suction force. According to the present invention, the main body of the vacuum cleaner is easily attached to and detached from the frame assembly.

Abstract: An upright type vacuum cleaner having a small sized cyclone dust collecting apparatus and dust bag in a dust collecting chamber comprises a main body including the dust collecting chamber having an air inlet and an air outlet, and a motor driving chamber in fluid communication with the air outlet, a suction brush mounted adjacent the main body of the vacuum cleaner, a cyclone dust collecting apparatus detachably mounted on the main body of the vacuum cleaner and having a path connected to the air inlet of the dust collecting chamber for discharging a cleaned air, and a dust bag detachably disposed in the dust collecting chamber to collect the dust and filth separated from an air drawn in through the suction brush.

Abstract: A multifunction vacuum cleaner, in which a main body is removably connected to a frame portion, comprises a nozzle assembly for suctioning in an air including dusts or dirt on a cleaning area, a main body having a cyclone dust collector for centrifugally separating the dusts or dirt from the sucked air, a dust receptacle for collecting the separated dusts or dirt, a main body frame having an upper casing and a lower casing, a button operation portion formed on an upper part of the main body frame, and a connecting projection integrally formed with the button operation portion and moving elastically, and a frame portion which is pivotably connected with the nozzle assembly, and having a connecting groove to correspond to the connecting projection. The main body of the vacuum cleaner is removably mounted in the frame portion. As a result, the main body can be conveniently connected with or separate from the frame portion.

Abstract: A double cyclone dust collector for a vacuum cleaner includes a lower cyclone body having an air suction port and an air discharge port for separately collecting dust entrained in air which is drawn in through the air suction port, an upper cyclone body having a main body for sequential secondary separation of fine dust particles after the primary dust separation of the air flowing from the lower cyclone body, and an upper casing providing a fine dust collecting chamber by covering the surface of the main body, and an air path for guiding the air which is cleaned in the upper cyclone body by the secondary dust separation step into the upper and lower cyclone bodies, and discharging the air through the air discharge port. The dust particles entrained in the air can be separately and sequentially collected according to the size of the dust particles.

Abstract: Disclosed is a height adjusting apparatus for a suction brush of an upright vacuum cleaner, by which a user can facilely adjust a gap between the suction brush and a cleaning surface. The apparatus comprises a suction brush body; a height adjusting knob rotatably disposed at a seating portion formed in the suction brush body, and having a cam curve portion formed at a part of an end of the height adjusting knob inserted into the suction brush body, the cam curve portion having a height difference between a starting point and an end point thereof and a plurality of recessed grooves formed between the starting point and the end point; a height adjusting shaft integrally formed with a rod member which is contacted with the cam curve portion and lifted up and down according to a rotational direction of the height adjusting knob; and a brush front wheel rotatably coupled to the height adjusting shaft.