An upright vacuum cleaner includes a cleaning head for removing debris from a floor, a rotary brush for agitating the debris, and a debris tube connected to the cleaning head for receiving the debris from the cleaning head. The upright vacuum cleaner also includes a motor to drive the rotary brush. The motor includes a rotatable drive shaft. The upright vacuum cleaner further includes a pulley assembly adapted to operatively connect the motor to the rotary brush. The pulley assembly includes a clutch and a belt. The belt is adapted to extend between the drive shaft and the clutch. The clutch is connected to the rotary brush to rotate the rotary brush. The upright vacuum cleaner also includes a clamp connecting the clutch to the cleaning head. The tightness of the belt is adjusted when the clamp moves between an unfastened position and a fastened position.

An upright vacuum cleaner includes a blower for pulling air and debris through the upright vacuum cleaner, a motor connected to the blower, and a cleaning head for removing the debris from a floor. The cleaning head includes a front wall, a rear wall, a first sidewall, and a second sidewall. The first sidewall and the second sidewall extend between the front wall and rear wall. The vacuum cleaner further includes a debris tube connected to the cleaning head for receiving the debris from the cleaning head. The vacuum cleaner also includes magnet assemblies adapted to prevent metal objects from entering the cleaning head. Each magnet assembly includes a bracket and a magnet. The bracket includes a horizontal plate and a vertical plate. The magnet is connected to the vertical plate. The front wall includes shelves to support the magnet assemblies. Each shelf is arranged to receive one of the magnet assemblies such that the horizontal plate rests on the shelf and the magnet is positioned below the shelf.

Battery-powered upright vacuum cleaners are disclosed. The vacuum cleaner includes a battery support plate from which the battery is suspended. The battery support plate is connected to a debris tube of the vacuum cleaner. In some embodiments, the debris tube includes mounting members that are received in recesses formed within the battery support plate.

A robot cleaner that sweeps dust on the floor toward its center and absorbs the dust through a small-area inlet with a strong suction force, by a cleaning tool that integrates functions of side brushes and a main brush into one. The present disclosure also provides a robot cleaner that enables a large-diameter foreign material to be guided to and effectively absorbed through the inlet without interference by a cleaning tool. The robot cleaner includes a main unit including a fan motor and a dust collector and having an inlet arranged on a base to absorb foreign materials, and a cleaning tool arranged in the bottom of the base, extending to a front side of the base from the inlet and guiding a foreign material on a floor to a side of the inlet, wherein the cleaning tool is arranged to be movable by an external force.

A floor brush assembly for an upright vacuum cleaner (1) and an upright vacuum cleaner (1) with the same are disclosed. The floor brush includes a brushroll (11); a motor (22) driving the brushroll (11) to roll via a drive belt (13) that is winded upon a motor shaft (221) of the motor (22) and a central part of the brushroll (11); and a brushroll casing (12) provided outside the brushroll (11), having a dust suction port and defining a brushroll air-suction channel (122) and a drive-belt mounting chamber (123) for mounting the drive belt, in which the brushroll air-suction channel (122) comprises a first air-suction channel (1221) and a second air-suction channel (1222) located at both sides of the drive-belt mounting chamber (123).

A surface cleaner may have various features including an engagement mechanism secured to an agitator support frame and positioned to be pivoted by an agitator lift lever as the agitator lift lever translates, the pivoting engagement mechanism lifting the agitator support frame and the agitator secured thereto from a lowered position to a raised position. Other features may include a projection to limit belt slack when the agitator assembly is raised, a compact detent mechanism for releasing a spine assembly in an upright surface cleaner, a compact motor drive assembly, a self-priming centrifugal pump, a fluid-dispensing system having a high flow operating state and a low flow operating state, and a clean-out tray in which a base of the surface cleaner may be docked.

A surface cleaner includes a base including a suction inlet in fluid communication with a debris separator and a suction source. The base includes a housing having a channel extending around at least a portion of the suction inlet, the channel having a first sidewall offset from a second sidewall. The base further includes a soleplate configured to slide along the surface being cleaned, the soleplate including a suction inlet aperture that defines at least a portion of the suction inlet, the soleplate further including an inner rib, an outer rib, and a channel between the inner rib and the outer rib. The inner rib frictionally engages the first sidewall and the outer rib frictionally engages the second sidewall to create a seal between the soleplate and the housing.

A motorized suction head comprising a roller is provided, the roller being rotatable and being configured to rub the surface to be cleaned, an electric motor and a transmission for connecting the roller to the electric motor so as to rotate the roller, an on/off switch for starting and stopping the rotation of the motor, wherein the suction head further comprises a speed selector for selecting one of a plurality of rotation speeds of the electric motor.

A vertical vacuum cleaner (1) is provided, including a brushroll (22); a motor assembly (200) including a motor housing (21) and a motor (22), in which the motor (22) is configured to drive the brushroll (22) to roll via a drive belt (13) and is rotatable between a first upright position where the drive belt (13) is tensioned and a first oblique position where the drive belt (13) is loosened; a body assembly (300) including a body (31) and a bridging member (32) rotatably connected with the motor housing (21); a lever driving device rotatably disposed to the motor housing (21) and having two ends respectively fitted with the bridging member (32) and the motor (22), in which the bridging member (32) is configured to drive the motor (22) to move from the first oblique position to the first upright position via the lever driving device.

A clutch device (400) for an upright vacuum cleaner and an upright vacuum cleaner (1) having the same are provided, in which the clutch device (400) is disposed between an electric motor assembly (200) and a machine body assembly (300) of the upright vacuum cleaner (1), and the electric motor assembly (200) includes an electric motor housing (21) and an electric motor (22). The clutch device (400) includes: a sliding track (41d) driven (300) to move by the machine body assembly; a toggling tongue (42d) fixed to the electric motor (22) and rotatable with respect to the electric motor housing (21); and a lever member (43d) having a second end of the lever member (43d) slidably fitted to the sliding track (41d) and a first end fitted with an end of the toggling tongue (42d). When the machine body assembly (300) drives the sliding track (41d) to move, the sliding track (41d) drives the lever member (43d) to rotate, and when the lever member (43d) rotates, the toggling tongue (42d) is stirred to make the electric motor (22) rotate with respect to the electric motor housing (21).