Abstract: A cleaner head for a cleaning appliance, comprising a brushbar, a housing defining a chamber which at least partially surrounds the brushbar, the chamber having a dirty air inlet and a dirty air outlet, and a scraper having a working edge which extends in the longitudinal direction of the brushbar. The scraper is arranged such that, in use, the working edge scrapes debris entrained by the brushbar from the brushbar. The working edge has a profile which is shaped such that debris which accumulates at the working edge is drawn by the airflow through the cleaner head along the working edge towards the dirty air outlet.

Abstract: A steam cleaning accessory for use with a steam generator comprises: a flexible body comprising a base and at least one peripheral wall upstanding from the base. At least one steam conduit is connectable to the steam generator and arranged to be in fluid communication therewith. The steam conduit comprises at least one steam outlet for ejecting steam and the at least one steam outlet is mounted on an underside of the base which is configured to be adjacent to a surface to be cleaned. A flexible pocket is mounted on the flexible body and is arranged to receive a user's hand. The at least one peripheral wall comprises at least one deflection element outwardly projecting from the peripheral wall.

Abstract: A vacuum cleaner head has a base and a suction opening in the base. An array of flexible flaps protrudes from the base. The flexible flaps are configured to act on a surface to be cleaned. The flexible flaps are spaced from each other to allow the passage of detritus therebetween in a predefined arrangement. The predefined arrangement of the flexible flaps is configured to promote a non-linear flow path through the array of flexible flaps between an end of the base and the suction opening. A gap between first and second rows of flaps is substantially equal to or greater than a space between adjacent flexible flaps in each of the first and second rows.

Abstract: A combination tool includes a surveyor's rod having a tubular body and a hammer that is slidable within the tubular body using an external handle. The tubular body defines an opening to insert a nail to be hammered into a surface below the tubular body. A nail-loading device may be affixed adjacent to the tubular body. The nail-loading device has a tube for receiving a nail and a lever arm that can be pivoted away from the tube to receive a nail and then pivoted back to its resting position to force the nail into the tubular body through the opening in the tubular body. A hammer-stop may be affixed to the tubular body to form a physical stop to the downward movement of the hammer. A handle lock may be employed along with a rod-tip point.

Abstract: A downdraft table for cleaning electronic equipment includes a housing in the form of a cabinet having a grid-like upper surface with openings therein. A fan located within the housing below the upper surface draws air from above the surface downwardly through the grid. An air compressor and compressed air storage tank are also located within the housing below the upper surface for producing a source of compressed air and a hose is connected to the compressed air storage tank and extends upwardly above the upper surface. An air nozzle connected to the hose allows a workman to direct compressed air toward a piece of electronic equipment located on the upper surface. The upper surface preferably includes a turntable that is adapted to support the piece of electronic equipment thereby allowing the equipment to be rotated about a vertical axis as it is being cleaned.

Abstract: A screwdriver, including driver bit sleeve, revolving wheel-shaped driver bit holder and pushrod, the revolving wheel-shaped screwdriver bit holder is rotatably arranged at the rear side of the driver bit sleeve, the revolving wheel-shaped driver bit holder is distributed with axial containing hole containing driver bit and the containing hole can be turned to axially coincide with the inner hole of the driver bit sleeve; pushrod is arranged at the rear side of the revolving wheel-shaped driver bit holder and axially coincides with the inner hole of the driver bit sleeve, the inner hole of the driver bit sleeve includes torque transmission segment at the front part and guiding segment at the rear part, the hole wall of the guiding segment is arranged as guiding surface; and it can also include handle, pushbutton set, pushrod which extends into one of containing holes of driver bit holder when pushbutton set is positioned at first positioning portion of the front part of slideway on the handle, pushing the dri

Abstract: A surface treatment apparatus may include an air flow path extending from a dirty air inlet to a clean air outlet and a main body. A suction motor may be provided in the air flow path. A cyclone bin assembly may be provided in the air flow path and may be removably mountable to the main body. A pre-motor filter chamber may be provided and may have a rear wall, a sidewall extending and an openable front wall opposite the rear wall and sealingly enclosing the pre-motor filter chamber. The pre-motor filter chamber may be disposed longitudinally between the cyclone bin assembly and the suction motor and the cyclone bin assembly may be positioned in front of at least a portion of the openable front wall of the pre-motor filter chamber. The front wall may be accessible when the cyclone bin assembly is removed from the main body.

Abstract: A tool configured to install and torque multiple fasteners, such as nuts and/or bolts, positioned in confined and/or hard to reach areas. The tool includes a body portion, a plurality of fastener retainers, and a structure which permits both the remote tightening and torquing of such fasteners. The tool also provides an actuator for the remote release of torque loads which may build up in the fastener retainers during such torquing of the fasteners. The actuator includes a lever arm pivotally connected to the body portion and a cam that is rotatable between a first position and a second position. A linkage is engaged by the cam and urges the lever arm to a torquing position upon the cam being in the first position and to a torque release position upon the cam being in the second position.

Abstract: A hand-guided floor treatment device includes a bottom part, which includes at least one tool which is rotatable on a floor by a drive, as well as a guide part which includes at least one handle and is connected to the bottom part by an articulated arrangement which is developed in such a manner that the guide part, proceeding from a perpendicular, is pivotable in relation to the perpendicular in angular positions rotating in all directions and is operatively connected to the bottom part so as to transmit torque in an angularly limited manner in each angular position in relation to the perpendicular. The at least one rotatable tool is arranged in such a manner on the bottom part that when the floor treatment device is operating the at least one rotatable tool exerts permanent linear propulsion on the bottom part.

Abstract: The present invention relates to a cyclone separation device for separating particles from air and a cyclone vacuum cleaner (80). It has the objective to reduce noise without impairing the dirt separation performance. This is achieved an arrangement comprising a cyclone chamber (10), a dirt collecting chamber (50) arranged adjacent to the cyclone chamber (10) for collecting dirt particles separated from air, a dirt-duct (40) between the cyclone chamber (10) and the dirt collecting chamber (50) for allowing dirt particles to pass from the cyclone chamber (10) towards the dirt collecting chamber (50), and an air-guide (60) arranged adjacent to the dirt-duct (40) for reducing the momentum of the air in the dirt-duct (40).

Abstract: A multifunctional tactical device for fire, police, military and other tactical invasive and protective actions includes: a) a claw head having a ram region and a claw region, the ram region having a top of a predetermined width and a bottom that has a predetermined width that is at least 30% wider than the top predetermined width, the claw head having a front with a flat ram area at the ram region, and having a back with a handle attachment, the claw region having a plurality of claws extending downwardly from the bottom of the ram region; b) an elongated handle member having a proximal end and a distal end and being connected to the claw head handle attachment at the distal end.

Abstract: A tool (10) for rotating a screw-on oil filter cartridge, the tool comprising a driving member (28, 28b); gripping jaws (12a, 12b) movable in relation to each other for gripping an oil filter cartridge; a guide arrangement (13, 14a, 14b) for guiding the gripping jaws; means (16a, 16b) for biasing the gripping jaws towards each other; and a driving mechanism (28, 28c, 24, 22a, 22b, 20a, 20b, 21a, 21b) coupled to the driving (28b) member and gripping jaws (12a, 12b) for converting rotation into movement of the gripping jaws towards each other, into engagement with an oil filter cartridge and applying either screwing or unscrewing torque thereto. The tool comprises: a locking mechanism (30, 32, 28, 24) for releasably locking the gripping jaws (12a, 12b) at a pre-determined distance from each other; and a release actuator (28a) for unlocking the locking mechanism and releasing of the gripping jaws.

Abstract: A manual screwdriver includes a handle defining a cavity and a slot, a screwdriver head at one end of the handle, a rotation connector rotatably received in the cavity, a spiral rod defining a spiral groove and being rotatably received in the cavity, an operating arm slidably received in the spiral groove with two ends of the operating arm extending from the cavity through the slot, and a first elastic element biased on the operating arm. The screwdriver head is connected to the handle via the rotation connector. The spiral rod can be driven by the operating arm to engage or disengage the rotation connector. When the spiral rod and the rotation connector are combined into an engaged state, the operating arm can slide in the spiral groove toward the screwdriver head to drive the spiral rod and the rotation connector to rotate relative to the handle.

Abstract: A torque transmission driver is disclosed having a shaft adapted to receive and transmit torque from a torque generating source to the driver and a nib having a five or six lobe key-shape adapted to fit in a recess in a fastener, the nib being equal to or less than 0.050? in length and having lobes of substantially the same form along the entire second end portion.

Abstract: An upright surface cleaning apparatus may include a surface cleaning head, a flexible conduit section and an upper section movably mounted to the cleaning head. The upper section may include an air treatment member positioned in the air flow passage between the dirty air inlet and the clean air outlet, The surface cleaning apparatus may also include a suction motor positioned in the air flow passage. The upper section may also include an upflow conduit positioned in the air flow passage between the flexible conduit section and the air treatment member. When the upper section is in the upright position, the flexible conduit may include a portion that extends downwardly to a downstream end of the flexible conduit and the upflow conduit may extend upwardly from an upstream end of the upflow conduit to a downstream end of the upflow conduit.

Abstract: A quick detachable wrench structure comprises: a wrench head portion, which has a hollow operation accommodation room and a top end portion disposed at an upper portion thereof; and a pressing member, which has a top pressing portion and a bottom plug portion, the bottom plug portion is embedded in the operation accommodation room, the top pressing portion is disposed at an upper portion of the top end portion, a bottom edge of the bottom plug portion is against to a bottom end of the top end portion in order to avoid the bottom plug portion taking off from the operation accommodation room.

Abstract: A wireless cleaning apparatus uses electrical energy to produce calories. Steam is generated with a view to carrying out a cleaning operation by spraying steam. The steam generator includes a water tank, a heater of the water in order to produce steam, and an extractor for the steam produced heater of the steam includes storage for calories generated, prior to the cleaning operation, by electrical connections for producing heat that can be reversibly connected to an electric power supply includes a solid body, which is traversed by at least one channel or similar, which links the water tank to the means for extracting steam, and through which the water travels.

Abstract: The present disclosure provides an assistant arm for an automobile tire changer and a method for manufacturing principal parts of the assistant arm. The assistant arm is of a one-for-two structure. A longitudinal actuator is connected to a sliding body, with an upper tire pressing mechanism hinged to the upper end and a lower tire pressing mechanism hinged to the lower end. A guide rail plate is arranged on a vertical column to form a combined guide rail. The guide rail plate is made of 45# bar-like steel plate, and has a straightness and a flatness of less than or equal to 0.05 mm/m. The vertical column includes a square steel tube as an anti-buckling beam, and several protrusions are welded onto upper and lower portions and a lateral surface of the vertical column to serve as a mounting reference surface with a flatness of less than or equal to 0.1 mm/m. An upper stopper, a lower stopper, a first lateral rib and a second lateral rib are welded to the sliding body within which a slider is arranged.

Abstract: A surface cleaning appliance having a cleaner head that includes an agitator and a motor for driving the agitator. The appliance includes a switch coupling the motor to a supply voltage, a voltage sensor for measuring the magnitude of the supply voltage, a current sensor for measuring the magnitude of current through the motor, and a controller configured to output a PWM signal for controlling the switch. The controller then adjusts the duty cycle of the PWM signal in response to changes in the supply voltage and in response to changes in the current through the motor.

Abstract: A vacuum cleaner for cleaning a surface is convertible between an upright mode and a canister mode. The vacuum cleaner includes a diverter assembly to selectively divert a working air flow through different working air flow paths which correspond to the upright mode and the canister mode.