Cleaning turbine having a cylindrical shape with an axis or rotation and provided with a concave base surface facing toward the work zone, with an upper surface, opposite the base surface, and a circumferential surface interposed between the base surface and the upper surface. The cleaning turbine is provided circumferentially with a plurality of slits angularly distanced from each other, facing upward and passing through the base surface and the upper surface. The cleaning turbine is also provided with a plurality of lateral apertures each of which extends radially from the slits to the circumferential surface.

A surface cleaning apparatus is disclosed having a forward portion and a rearward portion. The forward portion has a dirty air inlet, a front side, a rear side and a forward bridging section, the forward bridging section having a rearwardly extending air flow passage that is downstream from the dirty air inlet. The rearward portion positioned rearward of the forward portion, the rearward portion comprising a front side, a rearward side, a rearward bridging section, a lower planar surface, an upper surface and an up flow duct, the rearward bridging section being spaced rearward of the front side of the rearward portion. The rear side of the forward portion is spaced from and faces the front side of the rearward portion and the forward bridging section is connected to the rearward bridging section.

A method and apparatus are provided for coupling a first and second wheeled vehicle. The apparatus includes a first area with a stop to engage an undersurface of the first wheeled vehicle and a second area with spaced apart openings to receive wheels of the second vehicle. The apparatus also includes a hook member positioned between the first and second areas and including surfaces to engage a perimeter of the frame of the first wheeled vehicle. The method includes engaging a perimeter of the frame of the first wheeled vehicle with the hook member. The method further includes rotating the stop about an engagement point between the hook member and the frame of the first wheeled vehicle until the stop engages an undersurface of the frame. The method further includes positioning a pair of wheels of the second vehicle in the spaced apart openings.

An environmental control unit comprises a housing, a vacuum cleaner, a filtration unit, and a blower. The vacuum cleaner is positioned in the housing and is configured to receive a tool contaminant stream produced by at least one tool. The vacuum cleaner filters particulate matter from the tool contaminant stream, thereby producing a filtered air stream. The filtration unit is also positioned within the housing and comprises at least one filter. The blower is positioned within the housing downstream of the filtration unit. The blower is configured to create negative air pressure within the second compartment to draw an area contaminant stream from an exterior of the environmental control unit into the housing. A second blower may also be present. The blower draws the filtered air stream and the area contaminant stream through the at least one filter in the filtration unit to produce a filtered mixture stream.

A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.

A docking station for a dust collection box comprising: a housing; a socket formed by the housing configured to receive a dust collection box of a dust extractor; first and second apertures formed through a wall of the housing which aligns with air outlet and inlet apertures of a dust collection box when the dust collection box is mounted within the socket; a connector connectable to a vacuum source; and a dust channel mounted inside of the housing, which provides a passageway between the second aperture and the connector. The docking station may further include an air vent formed through a wall of the housing to allow air surrounding the housing to enter a cavity formed inside of the housing, where the first aperture is connected to the cavity in the housing to allow air in the cavity to exit the housing through the first aperture.

A vacuum attachment that is mountable to and/or wearable on the back of a hand and/or power tool user's hand, the attachment including a positionable modular hose that may be adjusted to position a distal end of the hose near the power tool attachment or the power tool such that it can more optimally capture dust and debris resulting from working a workpiece with the power tool attachment while the vacuum attachment is operatively associated with a vacuum source.

An interlocking adapter in one aspect of the present disclosure includes a current path, an electric load, a switch, and a controller. The controller turns on and off the switch in synchronization with a change of an alternating-current voltage received from an electric outlet of an electric apparatus in response to reception of an interlocking command signal from a working machine so as to supply a load current from the electric outlet to the electric load. The controller turns on and off the switch at a specified ratio of a time every cycle of the alternating-current voltage.

A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.

A method for operating a wireless transmitter and a wireless receiver, wherein the wireless transmitter is assigned to a tool and is adapted to detect an operation condition of the tool and to send an operation condition signal as a function of the detected operation condition. The wireless receiver is assigned to an apparatus and is adapted to receive the sent operation condition signal and to control an operation condition of the apparatus as a function of the received operation condition signal. The method assigns the wireless transmitter and the wireless receiver by a user-operated, electric assignment apparatus such that the receiver controls the operation condition of the apparatus as a function of the received operation condition signal. The assignment apparatus is separate from the transmitter and the receiver.