Abstract: In accordance with one aspect of the present invention, a cleaner includes a gravity compensation apparatus for applying compensation force to a handle unit, the gravity compensation apparatus having an elastic member connected to one side of the handle unit to generate compensation force and a sliding member for making translational movement in conjunction with turning motion of the handle unit to keep the compensation force in a constant direction regardless of an angle of the handle unit. The torque due to gravity applied to a handle unit of a vacuum cleaner may be precisely compensated, thereby relieving the burden of the user from the weight of the handle unit while the user holds the handle unit for cleaning.

Abstract: A cleaning appliance includes a substantially spherical surface engaging rolling assembly having a fluid inlet for receiving a fluid flow and a system for drawing the fluid flow through the inlet, and a plurality of support members for supporting the rolling assembly as it is maneuvered over a surface. The center of gravity of the cleaning appliance is located within the rolling assembly.

Abstract: A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one cyclone chamber is positioned in the air flow passage. An associated dirt collection chamber is exterior to the cyclone chamber. The cyclone chamber and the suction motor are positioned side by side and have generally parallel longitudinal axes. The dirt collection chamber may surround part of the suction motor. Alternately, or in addition, a pre-motor filter having an enhanced surface area may be provided by configuring the pre-motor filter to extend outwardly of the pre-motor filter, such as by overlie part of the cyclone chamber or the dirt collection chamber.

Abstract: A cleaning appliance of the canister type includes separating apparatus for separating dirt from a dirt-bearing fluid flow, a floor engaging rolling assembly including a device for drawing the fluid flow through the separating apparatus, a duct for conveying the fluid flow from the separating apparatus to the rolling assembly, and a mechanism for pivoting the separating apparatus relative to the duct.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet, an air treatment member and a suction motor. The surface cleaning apparatus comprises a main body comprising a front end and a rear end, first and second opposed sidewalls and a suction motor housing. At least one of the first and second opposed sidewalls may have a suction motor access opening.

Abstract: A cleaning appliance of the canister type includes a floor engaging rolling assembly including a fluid inlet for receiving a fluid flow and a device for acting on the fluid flow received through the inlet, and a steering mechanism including a chassis connected to and projecting from the rolling assembly, a plurality of floor engaging steering members connected to the chassis and a control mechanism for changing simultaneously the orientation of the steering members relative to the chassis.

Abstract: A vacuum including a housing with a suction device disposed within the housing is provided. The vacuum can also include a frame having a plurality of wheels mounted thereto. The frame can include an aperture, which can be adapted to removably receive the housing therein. The frame can have a handle attached thereto.

Abstract: A floor washing robot is disclosed. The robot includes: a control unit for controlling a power source to drive at least three omnidirectional wheels and at least one washing disc to rotate to wash a floor; a water spray device for spraying water; and a vacuum device for vacuuming waste water or dirt. The floor washing robot can be moved freely in any direction to improve the cleaning effect.

Abstract: A cyclonic separation device in accordance with an embodiment of the present application preferably includes a first cyclone chamber having a cylindrical shape with a predetermined diameter, the first cyclone chamber including, a tangential inlet positioned on a first longitudinal end of the first cyclone chamber, a baffle plate positioned in the first cyclone chamber a predetermined distance from the tangential inlet, a tangential dirt outlet positioned on a second end of the cyclone chamber, opposite the inlet and on an opposite side of the baffle plate from the tangential inlet and a center exit duct mounted in the center of the cyclone chamber having an inlet opening positioned upstream from the baffle plate such the centrifuged fluid without particles flows into the center exit duct and out of the cyclone chamber.

Abstract: An upright vacuum cleaner having a steering unit is provided. The upright vacuum cleaner includes a cleaner body having a suction motor and a dust separating and collecting unit, a suction port assembly rotatably connected to a lower portion of the cleaner body, a handle mounted to the cleaner body, and a steering unit to elastically support the cleaner body so that the center of gravity of the cleaner body shifts to the direction where the cleaner body is rotated, according to the rotation of the cleaner body to the left or right.

Abstract: The bagger attachment for a leaf blower has a large container that accommodates full size trash bags. The container is a barrel mounted on a wheeled cart and includes a cover that is hinged to the container and securely closed by a C-clamp. The exhaust conduit of a leaf blower is secured in an aperture in the cover. A filter is mounted on the cover to allow air from the vacuum to escape the container, permitting the collected leaves and debris to remain inside the container. A flexible hose is attached to the suction end of the blower for pulling the leaves and debris into the container. A trash bag is placed in the container. The container also includes a pivoting platform inside the barrel for supporting the trash bag thereon. A door is provided for allowing access to the interior of the container.

Abstract: An electric cleaner provided with a main body comprised of a cleaner housing (20) equipped with wheels (27) for mobility on a floor surface. Both side surfaces of the main body extend outwardly beyond rim portions (35) of the respective wheels (27) that stay in contact with the floor surface, and a center of gravity G (40) of the main body is placed in such a position that the main body rolls toward a direction where the wheels (27) stand on the floor surface so as to return itself into an original posture when the main body tilts in a way that one of the side surfaces lies in contact to the floor.

Abstract: An electric cleaner provided with a main body comprised of a cleaner housing (20) equipped with wheels (27) for mobility on a floor surface. Both side surfaces of the main body extend outwardly beyond rim portions (35) of the respective wheels (27) that stay in contact with the floor surface, and a center of gravity G (40) of the main body is placed in such a position that the main body rolls toward a direction where the wheels (27) stand on the floor surface so as to return itself into an original posture when the main body tilts in a way that one of the side surfaces lies in contact to the floor.