Abstract: A vacuum cleaner includes: a dust canister; a cover rotatably coupled to the dust canister; a filter assembly mounted inside the dust canister and configured to be exposed by an opening of the cover; and a crevice tool coupling to an air entrance of the dust canister or an extension pipe connected to the air entrance. The filter assembly includes an opening portion opened toward the cover, and a protrusion portion protruding from an inner circumferential surface of the opening portion. The crevice tool includes a catching rib caught on the protrusion portion according to insertion and rotation of the crevice tool in the opening portion. The filter assembly is configured to withdraw from the dust canister together with the crevice tool based on withdrawing of the crevice tool to the outside of the dust canister in a state in which the catching rib is caught on the protrusion portion.

Abstract: Systems, devices, and methods for drain cleaning using high voltage, high frequency AC electrical power supplied through a video push-cable are disclosed. In one embodiment, a drain cleaning system may include a cable for carrying electrical control and/or data signals as well as alternating current (AC) power at a high voltage and high frequency relative to AC mains frequencies.

Abstract: A cleaner holder includes: a first body having a first charging port configured to charge a cleaner; a second body protruding to a front side of the first body; and a battery accommodating space recessed downward from an upper surface of the second body to accommodate a battery detachably mounted to the cleaner, wherein a second charging port configured to charge the battery is provided in the battery accommodating space, and a cleaner guide configured to perform guiding such that terminals of the cleaner come into contact with the first charging port is provided in the second body.

Abstract: The present disclosure relates to a method for detecting a skidding of a robot, a mapping method and a chip. A method for detecting a skidding of a robot, comprising the following steps: By an odometer on existing driving wheels of a robot and a gyroscope and a processor in a body of the robot, a first angle change rate generated by two driving wheels within a preset time and a second angle change rate generated by the gyroscope within the preset time are detected and calculated, so as to determine an angular velocity change error rate of the robot. Finally, by judging whether the angular velocity change error rate is greater than or equal to a preset value, it is determined whether the robot is in the skidding state.

Abstract: Disclosed is a cyclone dust collector in which usability is improved. A vacuum cleaner comprising a cyclone dust collector, wherein the cyclone dust collector includes, a case configured to swirl suctioned air to separate dust from the suctioned air and accommodate the separated dust, a grill assembly separably installed in the case, and a cleaning portion included in the case and configured to remove dust adhered to a surface of the grill assembly when the grill assembly is separated from the case.

Abstract: A polishing pad includes a polishing layer stack that has a polishing surface, a bottom surface, and an aperture from the polishing surface to the bottom surface. The polishing layer stack includes a polishing layer that has the polishing surface. A fluid-impermeable layer spans the aperture and the polishing pad. A first adhesive layer of a first adhesive material is in contact with and secures the bottom surface of the polishing layer to the fluid-impermeable layer. The first adhesive layer spans the aperture and the polishing pad. The light-transmitting body is positioned in the aperture and has a lower surface in contact with, is secured to the first adhesive layer, and is spaced apart from a side-wall of the aperture by a gap. An adhesive sealant of a different second material is disposed in and laterally fills the gap.

Abstract: A wheel brush for a wheelchair has a brush assembly that is slidably disposed within a main housing and biased therein via a spring. A brush head is held within one end of the brush assembly so that a portion of the bristles of the assembly extend beyond an open end of the main housing. The device is attached to a brake arm of the wheelchair via a mount member that has a channel such that the brake arm is received within the channel. The wheellock assembly pushes the device toward a rear wheel of the wheelchair such that the bristles engage the wheel and brush dirt off the wheel as the wheelchair rolls being biased thereonto by the spring. The mount member acts as the brake arm for the wheelchair.

Abstract: A dirt collection and separation module can include a suction air flow around the perimeter of a tank to ingest fine dust that becomes airborne during the emptying process. Additionally, a trash can suction nozzle around a rim, a hand vacuum docking station, and an auxiliary suction nozzle that can fluidly couple the hand vacuum.

Abstract: A drain cleaning machine for moving a snake in a drain. The drain cleaning machine includes a rotating shell, a motor, radial drive mechanism, a translate mechanism, and a selection mechanism. The selection mechanism includes an actuating lever moveable between an activated position and a deactivated position, a selection plate moveable between a radial drive position and a translate position, and a push plate. The push plate is moveable in a first direction relative to the selection plate in response to the actuating lever moving to the activated position, and is moveable in a second direction relative to the selection plate in response to the actuating lever moving to the deactivated position. When the selection plate is in the radial drive position and the actuating lever is moved to the activated position, the push plate moves toward the selection plate to switch the radial drive mechanism to an engaged state.

Abstract: The present disclosure provides a cleaning system, comprising a cleaning robot and a processing station. The cleaning robot comprises a machine body, a trash discharging port and a sealing mechanism provided at the bottom of the machine body, and the sealing mechanism is configured to seal the trash discharging port. The processing station comprises a controller, an electromagnet, and a signal guiding component. The signal guiding component is configured to guide the cleaning robot to dock with the processing station, and the controller is configured to detect induction information on the processing station and control the electromagnet according to the induction information to generate a magnetic force to attract the sealing mechanism to open the trash discharging port.

Abstract: A nozzle device intended for use in a cleaning appliance such as a vacuum cleaner is described. The nozzle device can be moved over a surface to be cleaned. The nozzle device includes at least one light-emitting source arranged at a side of the nozzle device, and the at least one light-emitting source emits light from the respective side of the nozzle device. The nozzle device further includes a controlling arrangement for varying, at least one parameter of the at least one light-emitting source in relation to actual circumstances of a cleaning action between a functional value and at least one default value which is different from the functional value, and for setting the functional value of the parameter when the respective side is in the vicinity of an obstacle on the surface to be cleaned.

Abstract: An autonomous mobile cleaning robot can include an outer shell and a bumper. The outer shell can include a rim extending around at least a portion of a periphery of the outer shell and can include a first feature connected to the rim. The bumper can be connected to the outer shell and can movable with respect to the outer shell when the bumper is connected to the outer shell. The bumper can include a second feature connected to the inner surface.

Abstract: An example of a robotic cleaner, consistent with the present disclosure, may include a body, an agitator chamber defined in the body, a suction motor fluidly coupled to the agitator chamber and configured to cause air to flow into the agitator chamber, and at least one air jet assembly coupled to the body, the air jet assembly being configured to generate an air jet, the air jet being configured to urge debris toward the agitator chamber.

Abstract: An autonomous surface cleaning device can include a base adapted for movement over a surface to be cleaned, a drive system configured to move the base over the surface to be cleaned, and a vacuum collection system for removing at least debris from the surface to be cleaned. A main controller and a compliance control module can be operably coupled with at least one of the drive system or the vacuum collection system.

Abstract: An oral care device may include: a body including a head; a plurality of teeth cleaning elements extending from the head; a first electrode on the head; a second electrode on the head and spaced apart from the first electrode, wherein at least one of the first and second electrodes is a sacrificial electrode; a power source; and a controller configured to operably couple the power source to the first and second electrodes to create an electric potential between the first and second electrodes so that ions are released from the sacrificial electrode during a brushing session; wherein the controller is configured to change a magnitude of the electric potential the brushing session ends.

Abstract: Cleansing devices in the form of ergonomic scrub gloves for cleansing various surfaces including large animals and associated animal contact surfaces. The gloves include an inner layer, which is generally waterproof, with an outer layer comprising an abrasive weave.

Abstract: A blower may include: a volute case defining a suction port, a volute chamber, and a discharge port; an impeller rotatably supported within the volute chamber; a motor connected to the impeller and configured to drive the impeller; and an outer case accommodating the suction port of the volute case and the motor. The outer case may include an external suction port and define an air passage extending from the external suction port to the suction port of the volute case. When the blower is held or worn in a predetermined posture by a user, the external suction port of the outer ease may be configured to be located so as to be open vertically downward.

Abstract: Methods and apparatus are disclosed for an improved underwater vacuum cleaning system. Urging elements are provided on a vacuum head to encourage debris, especially large pieces of underwater debris, to matriculate under the head or otherwise toward the vacuum opening, rather than traveling over the head or otherwise NOT toward the vacuum opening. Various embodiments of engagement elements are disclosed between the vacuum head and a vacuum hose to improve the connection therebetween.

Abstract: An oral care implement including an elongated body having a head portion supporting plurality of tooth cleaning elements and a handle portion defining an outer surface. A grip control component is disposed on the handle portion and includes a pair of transversely spaced apart control surfaces separated by a longitudinally extending channel. The control surfaces are elevated above the outer surface of the handle portion and positioned to engage a user's thumb. The control component is operable to tilt the head portion at an upward or downward angle relative to a vertical plane of a user's teeth when the control component is grasped between the user's thumb and forefinger for producing a proper brushing angle at the gum line.

Abstract: A vacuum cleaner includes an odor neutralizer and dust plume abatement system. The odor neutralizer and dust plume abatement system delivers a mist to a working air path of the vacuum cleaner, such as at or upstream of a working air treatment assembly defining a portion of the working air path.