Abstract: A material collection system is provided. The system can include a vacuum generator having a fan to develop an airflow and draw material into a conduit. The system can also include a transmission, a power source to selectively power at least one of the vacuum generator and the transmission, a variable power divider to divide a power output from the power source to the transmission and the vacuum generator, and a control system to control the variable power divider in a first mode and a second mode.

Abstract: A multi-purpose tool and a method for use thereof, where the multi-purpose tool includes a first component having a first shaft and at least one first tool affixed thereto and a second component comprising a second shaft having at least one second tool affixed thereto, the second shaft being substantially hollow and capable of slidably receiving the first shaft. The multi-purpose tool further includes a quick-securing mechanism disposed along the length of the second shaft including a dial that is rotatable relative to the second shaft and having a threaded portion affixed to the dial. The quick-securing mechanism is configured to move a pin into an extended position when the dial is rotated in a first direction, and to move the pin into a retracted position when the dial is rotated in a second direction. The pin interacts with one of at least two holes in the first shaft to secure the first shaft in either a compact or extended configuration relative to the second shaft.

Abstract: A shot blasting cabinet with adjustable impellers includes a cabinet, a plurality of impeller apparatuses, and a plurality of adjusting devices. A shot-blasting working line is defined between an inlet and an outlet of the cabinet. The impeller apparatuses are symmetrically disposed on upper and lower sides of the cabinet. Each impeller apparatus has a protective housing, a driving device, a pair of rotary plates, and a plurality of impeller blades. The driving device connects one of the rotary plates. The protective housing covers the pair of rotary plates and the impeller blades, and defines a shot-blasting exit surface. The shot-blasting exit surface communicates with an interior of the cabinet. The adjusting devices are used to adjust an angle and a distance of the shot-blasting exit surface relative to the shot-blasting working line.

Abstract: A double action hydraulic jack has a primary hydraulic pump in fluidic communication with the hydraulic fluid reservoir and with the lift cylinder. The hydraulic jack has an auxiliary hydraulic pump also in fluidic communication with the hydraulic fluid reservoir and the lift cylinder. The auxiliary hydraulic pump operates at light-load conditions to drive the jack ram upwards at a rate at least three times faster than at heavy lift-load conditions with only the primary hydraulic pump in operation.

Abstract: A handheld vacuum cleaner includes a frame, and a dust barrel and a locking portion mounted on the frame, wherein a front end of the dust barrel and the locking portion are movable relative to each other and are arranged opposite to each other; the dust barrel has a rotatable front cover at a front side thereof; and when the locking portion and the dust barrel move with respect to each other, the front cover is automatically rotatable to open, or close on the front side of the dust barrel due to limit by the locking portion.

Abstract: A wet-dry vacuum cleaner including a collecting bin and a power head removably coupled to the collecting bin. The power head includes a housing configured to support the power head on the collecting bin, an exhaust outlet, and a cyclonic separator positioned within the housing. The cyclonic separator includes a dirty air inlet, a chamber, and a clean air outlet. The power head further includes a suction motor assembly operable to create a working airflow path from the dirty air inlet to the exhaust outlet, and a filter disposed within a filter housing hanging downwardly from the suction motor assembly. The filter is positioned within the working airflow path adjacent the clean air outlet of the cyclonic separator.

Abstract: A support arm arrangement for a local gas extractor arrangement and a local gas extractor arrangement including such a support arm arrangement. The support arm arrangement includes a first support arm and at least one second support arm being pivotally coupled to each other by friction joint arrangements. The support arm arrangement receives a tube device coupled to an extractor hood, an exterior pump device and the support arms. The extractor hood is arranged at an outermost second support arm by a linkage arm arrangement including a first link arm pivotally coupled to the outermost second support arm by a first friction joint pivotable about a first pivoting axis, and a second link arm fixedly attached to the extractor hood and pivotally coupled to the first link arm by a second friction joint pivotable about a second pivoting axis extending in a direction perpendicular to the first pivoting axis.

Abstract: A vacuum hose has a switch that allows an operator to selectively send control signals to a transceiver to control the operation of a central vacuum unit. The switch may be located on a cuff or nozzle defining a distal end of the vacuum hose. The switch is not located on a head unit that couples to the cuff or nozzle and not located on a wall-mounted valve. The switch can be an energy harvesting switch that requires no batteries or no dedicated power source (i.e., not hardwired).

Abstract: A workbench-hand truck assembly includes a first pair of legs, a frame, a second pair of legs pivotally coupled to the frame and to the first pair of legs, a workbench configured to be supported by the first and second pairs of legs, a pair of brackets pivotally coupled to the first pair of legs, and a nose plate pivotally coupled to the pair of brackets for movement between a stored position, in which the nose plate extends parallel to and adjacent the workbench, and a deployed position, in which the nose plate extends away from the workbench. The workbench-hand truck assembly is configurable in a hand truck position when the nose plate is in the deployed position, such that the nose plate extends perpendicular to the workbench.

Abstract: A transportable workbench is disclosed the legs of which are easily manipulated and are folded under its top part. With the same ease the legs may be unfolded and erected to create a work-table for working in construction sites and in temporary work places. Each workbench has a telescopic moveable handle and corresponding mechanisms that translate the movements of the handle into movements of the workbench legs. Each workbench also has two push-buttons or actuators which help locking the moveable members of the workbench in various desired positions. Additionally, the tops of the workbenches have different slots and holes for attaching different power and traditional tools to the workbenches and are marked for various measurements and/or calculations which eliminates the need to use some basic tools while working on top of the workbench.

Abstract: A worktable system for providing a work surface that is collapsible and portable includes a foldable tabletop that is positionable over a foldable support assembly. The tabletop has a plurality of recesses, and each of a plurality of insertion panels releasably couplable to the tabletop when positioned in one of the plurality of recesses. The insertion panels are removable to make room for a table saw or other tool that is positionable in the recess.

Abstract: A portable vacuum cleaner includes a housing and a filter assembly. The housing includes a dust collecting cylinder, a dust blocking cover and a main body. The dust collecting cylinder is opened to form an air inlet port and a mating port. The dust blocking cover is rotatably connected to the air inlet port of the dust collecting cylinder. The main body is detachably connected to the mating port of the dust collecting cylinder. A two-way locking structure is provided between the dust blocking cover and the main body. The two-way locking structure is adapted to lock or unlock the dust blocking cover and the main body simultaneously with the dust collecting cylinder, so that when the two-way locking structure is in a locked state, the dust blocking cover cannot open the air inlet port, while the dust collecting cylinder and the main body cannot be separated.

Abstract: A floor cleaning apparatus comprises a handle having a proximal end and a distal end; a housing at the distal end of the handle; a plurality of wheels at a bottom of the housing that rotate relative to the housing when a force is applied to the handle; a plurality of interchangeable and removable surface-cleaning rollers at the housing that rotate relative to the housing and the wheels, and that rotate at a different rate of rotation than the wheels; and a gear assembly that communicates with the wheels to rotate adjacent surface-cleaning rollers in different directions relative to each other to mimic a scrubbing motion.

Abstract: The present embodiments relate to a multi-function nail tool. The nail tool can include multiple extension arms that can allow for gripping and manipulating objects, particularly for individuals that have accessories on their hands or need additional assistance with manipulating objects. The nail tool can also include a key ring and a bottle/can opener to provide various functions in a single tool.

Abstract: A hand-held suction system includes: a hand-held suction device, a tube unit and a bag unit, wherein the tube unit has a suction tube and a tube connecting part, and wherein the bag unit has a collecting bag and a bag connecting part. The tube connecting part and the bag connecting part are designed to form a mechanical connection to one another in order to hold the bag unit by way of the tube unit. The tube connecting part is arranged in such a way on a circumference of the suction tube, in an upper half of the circumference in a circumferential direction, in a correct operating position of the suction system, and the suction system is designed in such a way that the bag unit held by the tube unit extends downwards in the circumferential direction along the suction tube, on the upper half of the circumference.

Abstract: A backpack dust collector includes a housing and a filter. The housing includes a suction port, a dust collecting chamber connected to the suction port and accommodating a dust collecting bag, a motor chamber connected to the dust collecting chamber and accommodating a fan and a motor, and an exhaust port through which air from the motor chamber is discharged. The filter is disposed on a side of the dust collecting chamber so as to face the dust collecting chamber.

Abstract: An apparatus for removing large particles from a vessel The apparatus includes a vacuum storage container and a suction hose extending from the vacuum storage container. The vacuum storage container includes a material receiving section, a grinding pump and a disposal line. The material receiving section receives the large particles from the suction hose. The grinding pump is positioned in the material receiving section for pulverizing the large particles received in the material receiving section. The disposal line extends from the grinding pump through the vacuum storage container to remove the pulverized material from the grinding pump and the vacuum storage container.

Abstract: A vacuum cleaner includes a canister defining a debris chamber, a powerhead connected to a top of the canister, a hose, and a hose retainer removably connected to the canister. The canister includes a base and at least one sidewall extending therefrom. The powerhead includes a suction unit operable to generate airflow through the canister. The hose retainer includes a back plate defining an aperture therethrough, at least one hose retention clip defining a channel shaped and sized to receive the hose therein, and a dustpan defining a debris intake opening and including a hose end mount. When an inlet end of the hose is connected to the hose end mount, the inlet end of the hose is connected in fluid communication with the debris intake opening to generate airflow therethrough.

Abstract: An apparatus is disclosed. The apparatus comprises a housing. The housing has a top portion with an opening. The housing has a bottom portion having a plurality of discharge openings arranged around a center piece of the bottom portion. A plurality of support members are disposed in an interior of the housing, each extending from an edge of the top portion proximate to the opening to the center piece of the bottom portion. The housing has a plurality of blade receptacles, each of which has a first section disposed in the top portion and a second section extending along an edge of one of the plurality of support members. The housing has first, second, third, and fourth side portions. The apparatus comprises a plurality of blades, each of the plurality of blades disposed in a respective one of the plurality of blade receptacles of the housing.

Abstract: The present invention relates to a lifting column and a first and second mast for lifting a vehicle, a lifting system including one or more of these lifting columns and a method for lifting a vehicle. The lifting column according to the invention includes a frame provided with a first mast and a second mast; at least one carrier configured for engaging the vehicle, with the at least one carrier moveable relative to the first and second mast; and a lifting mechanism with a drive for moving the at least one carrier and lifting the vehicle. The first and second mast are positioned on the frame at a mast distance, with the mast distance enabling access to a wheel of the vehicle.