Abstract: A dust collection device for use with a power tool includes a housing, an air inlet pipe, a cyclone pipe, an air duct pipe, and a ventilation pipe. The air inlet pipe is configured to guide an airflow to enter the dust collection device along a first straight line. The cyclone pipe extends along the second straight line. The cyclone pipe has a first end for air intake and a second end for dust discharge. The ventilation pipe is arranged at the first end and communicated with the cyclone pipe and is configured to guide the airflow after the airflow is subjected to dust separation performed by the cyclone pipe out of the housing. The second straight line along which the cyclone pipe extends intersects the first straight line to form an angle greater than or equal to 25° and less than or equal to 90°.

Abstract: A lock jaw tool device may include a first beam and a second beam that may be movably coupled together in preferably two or more locations on each beam. A first jaw may be coupled to the first beam, and a second jaw may be coupled to the second beam. One or more adjustable couplings may couple the beams together and may govern the positioning of the beams relative to each other. By changing the positioning of the beams relative to each other, the positioning of the jaws relative to each other may also be changed. The one or more adjustable couplings enables the formation of fulcrums for the purpose of generating pressure on a multitude of different types of jaws. Through independent control of the one or more adjustable couplings the jaws of the beams can firmly grip or otherwise manipulate material at varying angles.

Abstract: Mop buckets and methods of using the same are provided. A mop bucket includes a liquid-retaining portion that permits retained liquid to move in a liquid-movement direction extending from the first sidewall portion toward the second sidewall portion within a higher-momentum region and an energy-dissipation device disposed within the liquid-retaining portion and extending into the higher-momentum region, the energy-dissipation device being configured to inhibit buildup of momentum of liquid in the higher-momentum region along at least a portion of the liquid-movement direction by breaking surface tension of the liquid. The energy-dissipation device includes at least three baffles.

Abstract: A cleaning device includes a suction motor; a hose in communication with the suction motor; a first receptacle that is configured to communicate with the hose and to collect at least one first object outside of the cleaning device; a second receptacle that is configured to communicate with the first receptacle and to collect at least one second object outside of the cleaning device; wherein the at least one second object is smaller than the at least one first object; and a third receptacle that is configured to nest with the first receptacle and the second receptacle.

Abstract: Disclosed are an acoustic wave type electric cleaning and care tool and a pressure warning device for same. Upper and lower drive shaft bearings are fixed on a drive shaft. The upper bearing is fixed in left and right brackets by a fixed surface and is stationary. The lower bearing is fixed in the brackets by a upper fixed surface and perform a relative movement such that the lower bearing is separated from or contact with the upper fixed surface. The alarm device comprises a lever, a light-emitting element and a photosensitive element. The lever is provided with a shielding surface and/or a light-shielding protrusion. Light energy is changed by the change of gap between the shielding surface and/or the light-shielding protrusion and the photosensitive element. The change in electrical performance parameters of the photosensitive element is detected to acquire a load pressure on a cleaning element and realize pressure alarm.

Abstract: The invention relates to a floor cleaning appliance which comprises at least one cleaning assembly for cleaning a floor surface and an optical detection device with which a floor type is determinable. In order to provide a floor cleaning appliance with which a reliable determination of the floor type is possible, it is proposed in accordance with the invention that the detection device is configured as or comprises a spectroscopic device with which the floor type is determinable on the basis of a spectrum of the floor surface recorded by reflection measurement. The invention also relates to a method for floor cleaning.

Abstract: An intelligent robot includes a main body, an environment sensing device, and a control circuit board. The main body includes a body, a protective side plate, and a partition structure. The protective side plate is movably connected to the body. The body and the protective side plate cooperatively defines an accommodation cavity, the protective side plate includes an light transmission region, the partition structure is fixedly connected to the body and received in the accommodation cavity, the partition structure divides the accommodation cavity into a first space and a second space. The environment sensing device is at least partially received in the first space, and capable of transmitting and receiving environmental sensing signals within a preset scanning angle through the light transmission region of the protective side plate. The control circuit board is received in the second space, and electrically connected to the environment sensing device.

Abstract: Tattoo machines configured to drive a needle towards a marking area. The tattoo machines include a motor, a first arm, a second arm, and a primary spring. The first arm is operatively connected to the motor and driven by the motor towards the marking area. The second arm is spaced from the first arm and configured to couple to the needle. The primary spring is biased to move the first arm and the second arm away from the marking area. The second arm is driven towards the marking area when the first arm is driven towards the marking area by the motor.

Abstract: A tool storage assembly, including a container assembly, and at least a multi-tool assembly, removably connected to said container assembly, wherein said container assembly and said multi-tool assembly comprise respective sliding connection portions that engage each other.

Abstract: A harvested botanic offshoot has a first end with a portion thereof stripped of bark forming a botanic cleaning component that is adapted for insertion into a human mouth for dental cleaning. A proximal end of the offshoot can be carved down in size and releasably installed in a socket or internal channel inside a dental cleaning assembly. A motor inside the dental cleaning assembly can vibrate, oscillate or rotate the botanic cleaning component inside a user's mouth. The dental cleaning assembly has an opening arranged to allow at least a portion of the botanic cleaning component to extend outside the body portion of the dental cleaning assembly.

Abstract: A back washing assembly includes a belt that is comprised of a fluid permeable material for washing a user's body. A plurality of pouches is each coupled to the belt to contain a piece of soap. Each of the pouches is comprised of a fluid permeable material release the soap on the user's body for bathing. A pair of handles is each of the handles is coupled to the belt for gripping. Each of the handles is positioned on opposite ends of the belt with respect to each other to facilitate the belt to be extended across the user's back for scrubbing the user's back. A hook is movably positioned on a respective one of the handles to engage a support for suspending the belt from the support for storage. The hook is attachable to the strap when the belt is rolled up for storing the belt.

Abstract: A nozzle having castellations provides high suction pressure while also allowing for large pieces of debris to pass through inlet openings. In more detail, a nozzle for a surface treatment/cleaning apparatus is disclosed herein. The nozzle provides a suction channel through which debris passes into a main body of the surface treatment apparatus. Castellations are provided along a leading edge of the nozzle to allow debris to pass through the leading edge to the suction channel, and into the main body during, for instance, forward and reverse strokes of the surface treatment apparatus. In an embodiment, the castellations further include receptacles/cavities to receive and securely hold wheels therein. The wheels may extend from the nozzle at a predefined angle, also referred to herein as a camber angle, to improve vacuum handling and reduce noise during operation.

Abstract: To detach a substrate from a table without damaging the substrate. According to Embodiment 1, provided is a substrate processing apparatus including a table to hold a substrate, a plurality of lift pins that are arranged at periphery of the table and configured to arrange or separate the substrate on or from the table and to be movable in a direction perpendicular to a surface of the table, a drive mechanism that includes a motor to move the lift pins in the direction perpendicular to the surface of the table, and a control device that is configured to control the drive mechanism. The control device is configured to be capable of moving the lift pins at a first speed and at a second speed different from the first speed.

Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.

Abstract: An autonomous vacuum cleaner includes an autonomously moveable housing carrying a vacuum collection system for generating a working air flow for removing dirt from the surface to be cleaned and storing the dirt in a collection space. Distance sensors for position sensing are mounted to the housing. The distance sensors can be staggered and/or positioned on one or more sides or above a brush chamber for a brushroll.

Abstract: A system for aiding the process of installing screw post earrings. The device is comprised of a portable, handheld, battery-operated, earring screw tool having the following parts: an interchangeable head that turns the decorative portion of an earring magnetically and a slotted head that turns an earring backing to secure an earring to the ear. The tool also has a sliding switch that allows the user to screw an earring on and off by turning the head forward or backward using only the finger tips. An object of the invention is to make the process of donning and doffing screw post earrings more manageable.

Abstract: The present disclosure relates to the technical field of cleaning tools, and discloses a mop bucket and a cleaning tool having the same. Through quantitative use of water for one cleaning and direct spin-drying after cleaning, the cleaning tool is convenient for operation and energy-efficient.

Abstract: A plug removal tool may include a mount for attaching the plug removal tool to a structure and a plug nut. Additionally, the plug removal tool may include at least one rigid arm extending between the mount and the plug nut. Further, the at least one arm may have at least one translational degree of movement and at least one rotational degree of movement.

Abstract: Provided is a clean water and wastewater separating mop bucket, including: a lower bucket body and an upper bucket body movably disposed in the lower bucket body; wherein the lower bucket body includes a clean water container and a sewage container that are independent of each other and are blocked from each other; a water guide pipe, connecting the clean water container and the upper bucket body; and a water pump device, connected to the water guide pipe.

Abstract: A blackboard eraser cleaning device is provided and includes an outer shell (1). A cover (2) is arranged at the upper part of the outer shell (1), an inner shell (3) is arranged inside the outer shell (1). A clamping mechanism (19) is arranged at the upper end of the inner shell (3). A leaning station (8) is defined inside the clamping mechanism (19). A cylinder (9) is arranged around the clamping mechanism (19). A height adjustment mechanism (10) is arranged inside the outer shell (1). The height adjustment mechanism (10) includes a servo (101) arranged inside the outer shell (1) and located on a side of the inner shell (3). According to the present application, a variety of cleaning modes may be achieved to meet the actual usage of the blackboard eraser.