Dust collector for power tool, is installed on the position where the handle of the power tool installs and includes a dust suction opening which is set at the operation position of the power tool, an extraction device is provided for connecting with the dust suction opening to generate negative pressure to inhale the dust from the dust suction opening to a dust chamber. it can be easily installed to any power tool for collecting the dust during the operation of the power tool. Also, partial of the dust collector can act as a handle to stabilize the operation of the power tool.

A dust collection cup includes a cylindrical attachment to cause a bit to extend through the attachment, a cylindrical dust collector located in front of the attachment to cause the bit to extend through the dust collector, a seal between the attachment and the dust collector and having a through-hole to receive the bit, and a connection port connectable to a dust collection hose and located on an outer circumferential surface of the attachment outward in a radial direction of the bit from the seal and rearward from the seal. The connection port has a distance in the radial direction of the bit from an axis of the attachment to an outermost position longer than a distance in the radial direction of the bit from the axis to a position on the outer circumferential surface of the attachment that is opposite to the outermost position from the axis.

To provide an improved technique for improving operability in an operation using a power tool with a dust collector attached thereto, a hammer drill to which a dust collector is attached has a body and a handle. The dust collector has a dust collecting part and a male plug. The dust collector is attached to the hammer drill by connecting the male plug to the handle of the hammer drill.

The disclosure relates to a method for operating a system that includes at least one suction device and at least one hand-held power tool. The method includes establishing a communications link between the suction device and the hand-held power tool by means of at least one suction device communication unit and at least one hand-held power tool communication unit, and transmitting at least one communication signal by means of the communications link from the hand-held power tool, in particular the hand-held power tool communication unit, to the suction device, in particular the suction device communication unit. When the suction device is switched on, at least one start signal is sent to the hand-held power tool, the hand-held power tool being activatable only if the start signal is received by the hand-held power tool.

A fastening device for a suction hose includes a main body having a first fastening interface configured to fasten the main body to a handheld power tool and/or to an additional handle, in particular in a manner detachable without the use of tools. The main body further includes a second fastening interface configured to fasten the suction hose to the main body, in particular in a manner detachable without the use of tools. The fastening device also includes a joint unit configured to movably connect the suction hose to the handheld power tool and/or to the additional handle.

A suction adapter, in particular a suction drill suction adapter, for connecting an insertion tool, in particular a suction drill, to a suction apparatus includes at least one insertion tool receiving region, in which the insertion tool is arranged, at least one connection interface with respect to an insertion tool suction channel of the insertion tool, and at least one, in particular dimensionally stable, discharge guiding unit configured to delimit a suction channel. The at least one discharge guiding unit has at least one discharge guiding element configured to delimit a suction channel outlet of the suction channel and which has a longitudinal axis. The longitudinal axis of the at least one discharge guiding element is orientated parallel with a main extent axis of the at least one insertion tool receiving region in a region of the suction channel outlet in at least one operating state.

In a dust collector for electric power tool, while a casing includes a tubular suction opening portion disposed to protrude forward, a dust collecting route is formed in the casing to ensure capturing a dust suctioned with an air by a filter disposed in a dust box. The suction opening portion is abutted on a surface to be processed and a tool bit of a hammer drill is passable through the suction opening portion. The dust collecting route suctions the air from the suction opening portion and guides the air into the dust box disposed to the casing. The dust box includes a dust removal device (rubber) configured to directly act to the filter from outside to remove the dust accumulated on the filter.

A dust collecting system includes a power tool and a dust collector. The power tool is configured to perform processing operation on a workpiece by driving a tool accessory. The dust collector is configured to collect dust generated by the processing operation. The power tool includes a first motor and a driving mechanism configured to drive the tool accessory by power of the first motor. The dust collector includes a second motor and a fan configured to be rotationally driven by the second motor to generate air flow for collecting dust. The dust collecting system includes a first control device configured to control a rotation speed of the second motor according to a driving state of the power tool.

A dust collection cup allows a bit tip to be viewable without being detached or replaced. A dust collection cup is attachable to a front cylindrical portion of a hammer drill. The dust collection cup in an attached state allows a bit attached to the front cylindrical portion to extend through the dust collection cup. The dust collection cup includes an attachment attachable to the front cylindrical portion, and a body connectable to the attachment. The body includes an extendable unit including at least a portion in an axial direction retaining a predetermined length.

Appropriate control is performed in accordance with the state of a power tool and/or a dust collection attachment. A dust collection system for a power tool includes a hammer drill to hold a bit, a dust collection attachment connected to the hammer drill, and a dust collection controller that controls the operation of the hammer drill and/or the dust collection attachment in accordance with the specifications of the hammer drill and/or the dust collection attachment.