A power tool includes a housing with a motor housing portion and a drive housing portion, a handle extending from the housing and defining a gap between the handle and the housing, a motor located within the motor housing portion having a motor output shaft, a fan coupled to the motor output shaft, a battery to provide power to the motor, a trigger coupled to the handle and manipulable to energize the motor, a spindle extending within the drive housing portion and driven by the motor output shaft to rotate about an axis, and a fluid delivery system configured to supply a fluid to the spindle. The housing includes an air intake opening and a deflector to inhibit the fluid from entering the housing through the air intake opening, and rotation of the fan draws an airflow into the housing through the air intake opening.

A workpiece clamping apparatus for a machine tool is proposed, including at least one receptacle for a workpiece, wherein the at least one receptacle includes a wall and an opening via which the workpiece is insertable into the receptacle in a linear direction and removable therefrom in a counter-direction, a clamping device for fixing the workpiece at the at least one receptacle, a first access area via which a first tool engages the workpiece for a first working operation, a counter-bearing for the first tool, and a second access area via which a second tool engages the workpiece for a second working operation, wherein the first working operation and the second working operation are performed at different locations on the workpiece using different tools and wherein the workpiece clamping apparatus is free of a counter-bearing for the second tool.

The invention is a boring machine including: a guide rail linearly extending in one direction; a main part slidably mounted on the guide rail; a sleeve extending from the main part in a plane substantially parallel to the guide rail; and a rotatable face plate mounted at a distal end of the sleeve; wherein a deflection-compensating wedge plate is provided between the distal end of the sleeve and the rotatable face plate.

The present invention is a rebar hole doweling cart that pivotally holds an electric hammer drill near the ground to tap a hole and place the bit in a set aimed direction, and grips engages the ground to produce a manually-generated leveraged pushing force to drill rebar or dowel holes into a slab of concrete to construct or repair sidewalks, driveways, roadways, curbs, floors and the like. The cart has a frame, wheels, an elongated handle, a nose plate and a drill mounting assembly. The wheels position the cart and drill in front of the concrete slab. The elongated, upwardly extending handle is manually pushed or stroked forward to rotate the nose plate into gripping engagement with the ground and advance the drill bit forward. The drill mounting assembly simultaneously counter-rotates during the stroke to maintain the drill bit in its set aimed direction as the bit advances into the slab to form the hole.

A power tool including a housing with left and right side walls, a rear wall extending between the left and right side walls, a left angled wall extending between the left side wall and the rear wall and a right angled wall extending between the right side wall and the rear wall. The power tool also includes a handle extending from the housing and defining a gap between the handle and the rear wall of the housing, a motor located within the housing, a fan driven by the motor, and a spindle driven by the motor to rotate about an axis. The left and right angled walls converge inwardly toward the axis in a front-to-rear direction along the axis. The housing includes air intake openings located on the left and right angled walls. Rotation of the fan draws an airflow into the housing through the air intake openings.

Disclosed is an automated drill apparatus composed of one or more gang drills mounted to a gang drill chassis, at least one powered drive wheel affixed to the gang drill chassis, and at least three pivotable support wheels. A control panel provides remote operation of drill rotation activation, drill advance, and drill bed position adjustment, and a panic off switch. A control system implements steering the automated drill apparatus and is selectable by the operator for steering in two-wheel mode or crab steer mode. The pivotable drive wheels, in conjunction with the control panel and control system, are used to position the automated drill apparatus along a slab to be drilled, and further activate one or more gang drills for drilling a slab.

A numerical control machine-tool includes: a ground-resting base plate; a movable supporting column rising cantilevered from the base plate in a substantially vertical direction and movable horizontally on said base plate; a first electronic-controlled drive assembly for moving the supporting column along the base plate; a head-carrier slide fixed in vertically sliding manner in a straight longitudinal slit extending along the front face of the supporting column parallel to the longitudinal/vertical axis of the supporting column; a second electronic-controlled drive assembly for moving the head-carrier slide along the supporting column; a straight supporting beam inserted in an axially sliding manner into the head-carrier slide and cantilevered juts out from the front face of the supporting column while remaining substantially parallel to the ground; and a third electronic-controlled drive assembly for moving the supporting beam forwards and backwards with respect to the head-carrier slide parallel to the beam longitudinal axis.

The present invention provides an automated data destruction system to remove data effectively and reliably from a mobile communication device. The system comprises a platform, a securement mechanism, a positioning mechanism, a power drill, a vision recognition system, and a controlling system. The vision recognition system and the processor identify the mobile communication device, and the controlling system controls the securement mechanism, the positioning mechanism, and the power drill to a corresponding location based on the identified mobile communication device and activates the power drill to penetrate the mobile communication device at an exact depth to restrict the damage to the flash memory chip.

The present application pertains to a rebar hole doweling cart to construct or repair sidewalks, driveways, roadways, curbs, floors and the like. The cart has a frame with wheels, an elongated upwardly extending riser with a handle, and a nose piece that pivotally supports a drill mounting assembly near the ground. The mounting assembly holds an electric hammer drill and its bit in an aimed direction. The cart is rolled forward to tap a hole in a concrete slab and place the bit in a set aimed direction. The cart handle is then pushed forward with the nose piece in gripping engagement with the ground to advance the drill bit forward to form the rebar hole in the slab. During this forward handle rotation, the drill mounting assembly simultaneously counter-rotates (pitch pivotal movement) relative to the nose piece to substantially maintain the drill bit in its set aimed direction.