A dust collector for an electric power tool includes a main body case, a tubular sliding portion, and a dust collection portion. The main body case is mountable to an electric power tool. The tubular sliding portion is disposed on the main body case. The sliding portion includes a nozzle on a front end thereof. The nozzle includes a suction opening. The dust collection portion is configured to accumulate dust suctioned from the nozzle. The sliding portion includes a guided portion supported by a guiding portion disposed on the main body case. The guided portion is supported slidably in a front-rear direction, and the guiding portion and the guided portion are disposed in a region on a half side with respect to a line on a cross section passing through a center of the sliding portion.

A dust collector for an electric power tool includes a main body case, a tubular sliding portion, and a dust collection portion. The main body case is mountable to an electric power tool. The tubular sliding portion is disposed on the main body case. The sliding portion includes a nozzle on a front end thereof. The nozzle includes a suction opening. The dust collection portion is configured to accumulate dust suctioned from the nozzle. The sliding portion includes a guided portion supported by a guiding portion disposed on the main body case. The guided portion is supported slidably in a front-rear direction, and the guiding portion and the guided portion are disposed in a region on a half side with respect to a line on a cross section passing through a center of the sliding portion.

A dust collector for an electric power tool includes a main body case, a tubular sliding portion, and a dust collection portion. The main body case is mountable to an electric power tool. The tubular sliding portion is disposed on the main body case. The sliding portion includes a nozzle on a front end thereof. The nozzle includes a suction opening. The dust collection portion is configured to accumulate dust suctioned from the nozzle. The sliding portion includes a guided portion supported by a guiding portion disposed on the main body case. The guided portion is supported slidably in a front-rear direction, and the guiding portion and the guided portion are disposed in a region on a half side with respect to a line on a cross section passing through a center of the sliding portion.

An electric power tool dust collection system includes: a hammer drill, to which a dust suction bit is mounted; a dust collection device mounted to the hammer drill and including a suction portion (introduction port), a dust collection motor, a dust collection fan rotated by drive of the dust collection motor to generate a sucking force in the introduction port, and a dust collection portion (dust box) that stores powder dust suctioned from the introduction port; and exhaust flow paths (exhaust flow path and tubular flow path) respectively formed in the hammer drill and the dust collection device to lead exhaust that has passed through the dust box to a high-temperature portion (output portion) of the hammer drill.

An electric power tool dust collection system includes: a hammer drill, to which a dust suction bit is mounted; a dust collection device mounted to the hammer drill and including a suction portion (introduction port), a dust collection motor, a dust collection fan rotated by drive of the dust collection motor to generate a sucking force in the introduction port, and a dust collection portion (dust box) that stores powder dust suctioned from the introduction port; and exhaust flow paths (exhaust flow path and tubular flow path) respectively formed in the hammer drill and the dust collection device to lead exhaust that has passed through the dust box to a high-temperature portion (output portion) of the hammer drill.

A dust collector for an electric power tool includes a main body case, a dust box, a sliding portion, and a dust collecting route. The main body case includes an exhaust port, the main body case being configured to be installed on an electric power tool. The dust box internally includes a filter. The sliding portion is disposed on the main body case. The sliding portion has a front end on which a nozzle with a suction opening is disposed. The sliding portion is slidable in a front-rear direction. The dust collecting route is from the suction opening to the exhaust port passing through the filter. The main body case includes a guiding portion through which the sliding portion passes, and the guiding portion allows the sliding portion to project rearward when the sliding portion slides.

The present disclosure provides a system and method relating to work tables. The system comprises a table that attaches to a drill press. Specifically, the present disclosure relates to a drill press table with a fence and optionally a drawer, a vacuum assembly, flip stop assemblies, and various other components. Various operation of using the table are described herein.

A collet bush includes a tapered cylindrical outer surface, a cylindrical inner surface and a flow path. The collet bush is to be inserted into a concentric collet that is attached to a handheld tool driving device in order to position the tool driving device to a workpiece. The tool driving device holds, rotates and feeds a tool. The tool driving device has a function to suck chips. The outer surface is for expanding the concentric collet. The inner surface forms a through hole for slidably fitting the tool. The flow path is for taking in air used for sucking the chips inside the collet bush. The tool driving device includes the above-mentioned collet bush and the concentric collet.

According to one implementation, a tool driving device includes a drill chuck, a motor, a casing and a vibrating mechanism. The drill chuck holds a drill. The motor is configured to rotate the drill chuck. The casing houses the motor. The vibrating mechanism is configured to periodically reciprocate the drill chuck relatively to the casing in a tool axis direction during rotation of the drill chuck. The vibrating mechanism is configured to distance the drill chuck from the casing at a first speed smaller than a second speed for bringing the drill chuck close to the casing.

An apparatus includes a spindle, a pecking mechanism, and a clutch mechanism coupled to the pecking mechanism. The spindle includes a drill tool and the spindle is configured to be fed in a first direction during a drilling operation. The pecking mechanism is configured to retract the drill periodically during the drilling operation. The clutch mechanism is configured to selectively engage the pecking mechanism during a portion of the drilling operation. The clutch mechanism is configured to constrain the rotation of the washer such that the spindle drill is retracted a predefined distance periodically.