Abstract: The invention relates to a guidance device (10) of a suction system, said suction system being designed to suck up the dust generated by a brush (1) rubbing against a rotary element (2) in a rotary electrical machine, the guidance device (10) being designed in such a way as to concentrate a stream of air (F) generated by the suction system, near the end of the brush that is in contact with the rotary element (2). The guidance device defines at least one suction chamber (12) shaped so that it opens towards the rotary element, said at least one chamber having walls extending in a longitudinal direction so that said assembly is shaped so as to surround part of a brush near said end. The invention also relates to a suction system comprising such a guidance device.

Abstract: The invention relates to a novel screw tensioning device with a screw tensioning cylinder with a high-pressure hydraulic pump for pretensioning screws and loosening extremely secure pretensable screw connections and an accompanying control method. The problem is to create a screw tensioning device that can generate high tensioning forces, that requires less energy, that can be used for all usage locations without problems, that can be easily controlled and that makes precisely controlled pretensioning possible. A high-pressure hydraulic pump 39 is integrated into the interior of the screw tensioning cylinder 38 in accordance with the invention. This high-pressure pump 39 is connected to a sealed hydraulic accumulator 42. A drive unit 40 that can be pneumatically actuated is arranged on or in the screw tensioning cylinder 38. The drive unit 40 can be designed on the constructional basis of a diaphragm cylinder 42 or on the basis of a piston cylinder.

Abstract: Methods, systems and apparatuses for are disclosed for cleaning a vehicle wheel surface on a vehicle wheel with a brush. A brush may comprise a plurality of resilient brush elements having varying lengths. The methods may provide for rotating the brush elements such that at any time during at least some of the plurality of brush elements are in engagement with the wheel surface. The wheel surface may be engaged by brush elements that have a length that changes cyclically and the brush elements may also cyclically vary the contact pressure between brush elements and the vehicle surface.

Abstract: A handheld work machine comprises a main body comprising a prime mover and a handle fixed to the main body and configured to be gripped by a user. The handle is formed by pipe material and at least one reinforcement member is disposed at a longitudinal portion of the handle that configures a part of the handle. The reinforcement member may be formed by pipe material and preferably disposed inside the handle. The longitudinal portion where the reinforcement member is disposed may preferably include a fixed portion of the handle that is fixed to the main body.

Abstract: The present disclosure provides a home cleaning appliance including a housing having a nozzle, which includes a main suction opening. An airstream suction source is mounted to the housing and includes a suction airstream inlet and a suction airstream outlet. A cyclone main body is mounted to the housing and communicates with the nozzle main suction opening. The cyclone main body includes a first stage separator and a plurality of second stage separators. A dirt cup is connected to the cyclone main body for collecting dust particles separated by the first stage separator and the plurality of second stage separators. An air manifold is mounted to the first stage separator for fluidly connecting the first stage separator to the plurality of second stage separators.

Abstract: A new and useful vacuum apparatus is provided, for sweeping and cleaning a residential and commercial spaces, in a manner that is efficient and effective and a manner that minimize effort and time. The apparatus includes a flexible container that encloses some of the vacuum, sweeping and cleaning components that are part of a vacuum system, the flexible container configured to be worn by a person operating the apparatus, and having a flexibility that enables it to conform to the contour of the back of a person wearing the flexible container, and the flexible container is also configured to enable certain components of the vacuum system to be located outside of the container when the container is being worn by a person operating the vacuum system.

Abstract: An accessory tool for a vacuum cleaner comprises an elongated body having a plurality of furrows for imparting flexibility to the accessory tool. The elongated body is further be made of a material that is selected to impart flexibility to the accessory tool so that the longitudinal axis of the elongated portion can be bent about a radius through an angle up to 45° without kinking or breaking in a direction transverse to and laterally of elongated cross-sectional configuration.

Abstract: The present invention is directed to a vacuum including a dust extraction system. The system includes a filter assembly, an airflow generation assembly, and valve assembly. The airflow generation assembly is configured to draw contaminated air toward the filter assembly and exhaust filtered air as a discharge stream. The filter assembly is configured to remove contaminants from the contaminated airflow by capturing particulate material suspended within the airflow. The valve assembly is configured to selectively direct filtered airflow into the filter assembly such that the filtered air stream cleans the filter.

Abstract: A power tong unit having a gear train in which one or more of the gears in the gear train have removable and replacement roller tooth elements, in lieu of conventional gear teeth. In one embodiment, the ring gear and pinion gears have roller tooth elements, and idler gears disposed between the ring gear and pinion gears, have a semi-circular tooth root profile to mesh with the roller element gear teeth. The ring gear of the power tong unit may also have a removable section. A means for removing the removable section from the ring gear, and moving it to a position in which a tubular can be inserted into a central opening in the ring gear, may include a hydraulic cylinder, a clamping mechanism, and a cam surface to generate rotation of the removable section once lifted out of engagement with the ring gear.

Abstract: An anti-loose interdental brush includes a plurality of fixing portions formed on a bristle stem of an interdental brush. Each fixing portion includes a bottom wall, a side wall formed laterally from the bottom wall, and a capacity area surrounded by the bottom wall and the side wall. The adjacent bottom walls of the adjacent fixing portions are orientated in different directions. Thus, the adjacent capacity areas are set in different directions to contact the handle. An outer diameter of the bottom wall can be preferably larger than or equal to an outer diameter of the bristle stem. Accordingly, a dual engaging and fixing effect between the bristle stem and the handle is attained to prevent the bristle stem from loosening and rotating due to an external force and to enhance safety in using.

Abstract: An apparatus for collecting material from a workpiece from a machined workpiece includes a fluid nozzle for inducing a flow of a fluid and a collection nozzle. The collection nozzle includes a motive nozzle for accelerating a first portion of the fluid flow; and an induced-suction nozzle for receiving a second portion of the fluid flow. A suction force can be generated within a vicinity of the induced-suction nozzle based on the accelerated first portion of the fluid flow. The suction force can be sufficient to carry at least a portion of the material away from the workpiece. Related methods of collecting material from a workpiece are also disclosed, as are systems capable of incorporating the material apparatus collecting apparatus.

Abstract: A reverse scissor tool can be used for cleaning and filling resealable plastic bags. The reverse scissor tool comprises a first handle mechanically coupled to a first body. The first handle is mechanically coupled to a second handle by a hinge. The second handle is further mechanically coupled to a second body. The first body is mechanically coupled to a first wing. The second body is mechanically coupled to a second wing. The reverse scissor tool can be inserted into a bag that has been turned inside out, and then gently expand the bag to expose all inside edges, corners, and seams for a thorough and complete cleaning.

Abstract: The present invention disclosure relates to a tool for supporting and locking a rim or tired wheel in position on a tire mounting-demounting machine for automobile wheels equipped with support table with an axial hole or opening, the tool including grip-release device for a tired wheel (TW) or a rim (W) to be handled, and locking means for locking the grip-release device to the support table and/or for locking the rim (W) or tired wheel (TW) against components of the grip-release device.

Abstract: A ratchet wrench includes a driving device having first and second sides spaced along a rotating axis. A compartment extends from the first side through the second side. A drive member is received in the compartment and includes an end for driving a tool. A ledge is formed on an inner periphery of an end of the compartment at the second side. A pressing rod extends into the drive member via the end of the compartment at the second side. The pressing rod is movable relative to the drive member along the rotating axis to control engagement with or detachment from the tool. A dustproof ring is mounted between the ledge and the pressing rod. The dustproof ring includes an outer side and an inner side. The outer side presses against an abutment portion of the ledge. The inner side presses against the pressing rod.

Abstract: The vortex pneumatic conveyance apparatus of the present application creates a vortex from blown and/or pressurized air rotating along the inner wall of an outlet tube to convey particles through a vacuum created within the center of the outlet tube at a relatively high flow rate and pressure. Without the blown and/or pressurized air molecules taking up space and colliding with the particles in the center of the outlet tube and because of the strong suction created by the vortex of air rotating along the inner wall of the outlet tube, the efficiency of the vortex pneumatic conveyance apparatus of this application is improved relative to well-known pneumatic conveyors in which air merely pushes the particles within an outlet tube.

Abstract: The present invention relates to an upright type vacuum cleaner including a body having a changeable angle of disposition with respect to an objective surface to be cleaned, a suction nozzle coupled to the body to be movable along the objective surface to be cleaned, a supporting assembly provided under the body to seat the body thereon for supporting a load of the body and guiding movement of the body with respect to the objective surface to be cleaned, and a holding unit rotatably provided to the supporting assembly so as to be brought into contact with the body selectively for limiting rotation of the body to hold the body.

Abstract: A radial brush includes a disk-shaped central body and a plurality of bristles which extend away from the central body in the radial direction. The brush is embodied in such a way that, in a region adjacent to the central body in the radial direction, bristles arranged next to one another have a dividable connection to one another over a radially extending portion.

Abstract: A reversible ratchet wrench includes a wrench body, one end of which having a ratchet portion that has an activating opening and a circular hole, and an arc ratchet slot formed therebetween; a control unit having a circular plate portion, one end of which extending to form a handle unit, while the other end of which forming a block unit, and a U-shaped base formed at the top portion of the block unit and a spring is disposed at the U-shaped base; a ratchet unit, one end which having arc teeth, the other end of which having a protruding restricting portion, and a column protrudingly extending from one end of the restricting portion; and a rotating unit disposed at the activating opening of the wrench body, and a teeth ring formed at outer periphery of the rotating unit to engage with the arc teeth of the ratchet unit.

Abstract: A cyclonic separator and a vacuum cleaner which efficiently separates dust, collect the dust without re-scattering it and make low noise are provided. In a primary cyclone portion 10, a primary swirl chamber 12 swirls air containing dust sucked from a primary inlet 11, and thereby, separates a first dust and a second dust from the air containing dust to collect them respectively in a zero-order dust case 114 which is provided at a side of the primary swirl chamber 12 and communicates with a zero-order opening portion 113 provided at a side wall, and a primary dust case 14 provided at a lower side of the primary swirl chamber 12.

Abstract: There is provided a suction tool for a vacuum cleaner that can easily remove dust entangled around a rotating brush with a small force in a sanitary manner with clean hands without spreading dust. The suction tool includes dust removing means 39 for removing dust adhering to a rotating brush 30, the dust removing means 39 includes a first remover that has substantially the same shape as a trough 34 between cleaning bodies 33 or between cleaning body holding portions 32 of the rotating brush 30, and is guided in an axial direction of the rotating brush 30 within the trough 34.