Abstract: A machine tool device includes at least one drive train unit including at least one gear shift element and which has at least two different rotational direction modes and at least two different speed modes, and with at least one switching unit arranged at least partially on the drive train unit. The switching unit comprises at least one actuating element, which is configured to select the rotational direction modes and the speed modes, and at least one switching element, which is configured to switch between the modes of rotation depending on a switching position of the actuating element.

Abstract: The disclosure relates to a switching device for a hammer drill, having a manually actuatable switching element. It is proposed that the switching element is designed for actuating an operational mode switching unit and a switching unit for changing the direction of rotation.

Abstract: The disclosure relates to a switching device for a hammer drill, having a manually actuatable switching element. It is proposed that the switching element is designed for actuating an operational mode switching unit and a switching unit for changing the direction of rotation.

Abstract: A machine tool device includes at least one drive train unit including at least one gear shift element and which has at least two different rotational direction modes and at least two different speed modes, and with at least one switching unit arranged at least partially on the drive train unit. The switching unit comprises at least one actuating element, which is configured to select the rotational direction modes and the speed modes, and at least one switching element, which is configured to switch between the modes of rotation depending on a switching position of the actuating element.

Abstract: A tool for use with is configured with a tool centering element and a fastening portion with form-locking elements for axial mounting and fastening onto a drive shaft of a hand-held power tool. The drive shaft is drivable in oscillating fashion and the centering element centers the tool relative to the drive shaft. The tool form-locking elements define a rotary position of the tool relative to the drive shaft. The centering element may be a through-hole in a fastening portion of the tool or, may be a fastening screw that passes through an axially centered through hole in the fastening portion to the tool for securing the toll and fastening screw in a bore within the drive shaft to which the tool is attached for intended operation.

Abstract: A tool for use with is configured with a tool centering element and a fastening portion with form-locking elements for axial mounting and fastening onto a drive shaft of a hand-held power tool. The drive shaft is drivable in oscillating fashion and the centering element centers the tool relative to the drive shaft. The tool form-locking elements define a rotary position of the tool relative to the drive shaft. The centering element may be a through-hole in a fastening portion of the tool or, may be a fastening screw that passes through an axially centered through hole in the fastening portion to the tool for securing the toll and fastening screw in a bore within the drive shaft to which the tool is attached for intended operation.

Abstract: A tool is configured with a centering element and a fastening portion with form-locking elements for axial mounting and fastening onto a drive shaft of a hand-held power tool. The centering element and the form-locking elements are arranged in a first tool part. The form-locking elements are located radially outside the centering element and are configured with a quadrangular cross section that corresponds to a trapezoidal cross section, which is perpendicular to an axis of the drive shaft.

Abstract: A tool holder for a hand-guided drilling device, in particular for a rotary hammer, includes a receiving sleeve that is designed as a single piece and that is drivable in a rotating manner for a shank part of an insertion tool. The recess is open at both end faces and limited therebetween by an inner circumferential surface of the receiving sleeve. The inner circumferential surface (62) of the receiving sleeve (34) includes at least six flat circumferential surface sections (62n through 62u; 84, 86) in the circumferential direction, with adjacent circumferential surface sections (62n, 620; 62p, 62q; 62r 62s; 62t, 62u) forming an angle of 120 degrees.

Abstract: The invention relates to a hand-held electric power tool comprising at least one driven rotating part (3) that is mounted in at least one bearing (7, 13). According to the invention, the rotating part (3) is vibrationally decoupled from the bearing (7, 13).

Abstract: A tool holder for a hand-guided drilling device, in particular for a rotary hammer, includes a receiving sleeve that is designed as a single piece in particular and that is drivable in a rotating manner for a shank part of an insertion tool. The recess is open at both end faces and limited therebetween by an inner circumferential surface of the receiving sleeve. The inner circumferential surface (62) of the receiving sleeve (34) includes at least six flat circumferential surface sections (62n through 62u; 84, 86) in the circumferential direction, with adjacent circumferential surface sections (62n, 62o; 62p, 62q; 62r 62s; 62t, 62u) forming an angle of 120 degrees.

Abstract: A tool is configured with a centering element and a fastening portion with form-locking elements for axial mounting and fastening onto a drive shaft of a hand-held power tool. The centering element and the form-locking elements are arranged in a first tool part. The form-locking elements are located radially outside the centering element and are configured with a quadrangular cross section that corresponds to a trapezoidal cross section, which is perpendicular to an axis of the drive shaft.

Abstract: The invention is based on a device having a centering element (10) and at least one form-locking element (12) for fastening an axially mountable tool (14) to a drive shaft (16), which is drivable in an oscillating manner, of a hand-held power tool (28) in which the centering element (10) is provided for centering the tool (14) relative to the drive shaft (16), and the form-locking element (12) is provided for defining a rotary position of the tool (14) relative to the drive shaft (16). It is proposed that the form-locking element (12) is located radially outside the centering element (10).

Abstract: An eccentric transmission having an imbalance compensation element (10a-10e) and having an eccentric element (12a-12e) for converting a revolving rotary motion of an armature shaft (14a-14e) into an oscillating rotary motion of a drive shaft (16a-16e) in order to drive an insert tool (40a-40e) of a hand-held power tool (18a-18e) to oscillate. The imbalance compensation element (10a-10e) is integral to another functional unit (12a-12d, 14e).

Abstract: The invention is based on a machine tool, in particular a circular power saw, for machining a workpiece, having a covering (10) for guarding a user against machining residues of the workpiece that occur in operation and having an adjustable residue guide (12, 14) for carrying away at least some of the machining residues through an outlet opening in a defined direction in accordance with the position of the residue guide (12, 14). It is proposed that the residue guide is adjustable in such a way that in one position of the residue guide (12, 14), at least some of the machining residues are carried onward inside the covering (10).

Abstract: A method of machining includes using a tool unit for a handheld power tool having an oscillating output unit, a fastening element for attachment to the output unit, and a working edge transitioning into a lateral boundary line, being arc-shaped, and constituted by a circumference of a circle around whose circle point the fastening element is situated, situating at least one end of the working edge at an angle of substantially 90° in relation to a lateral boundary line on at least one side and constituting the working edge by a circumference section of a circle sector, situating each of two ends of the working edge at an angle in relation to a respective lateral boundary line extending in a radial direction, and in a vertical guide as the tool unit advances along the lateral boundary line situating a deepest point of an advancing motion is situated in a corner between the arc-shaped working edge and the lateral boundary line, and so that between a bottom of the guide and the lateral cut edge there is not any r

Abstract: A machine tool, in particular a circular power saw, for machining a workpiece, has a covering (10) for guarding a user against machining residues of the workpiece that occur in operation and an adjustable residue guide (12, 14) for carrying away at least some of the machining residues through an outlet opening in a defined direction in accordance with the position of the residue guide (12, 14). The residue guide is adjustable in such a way that in one position of the residue guide (12, 14), at least some of the machining residues are carried onward inside the covering (10).

Abstract: A hand-held power tool, in particular a sander, includes a housing (10) and a motor (12) located in the housing (10). A driven shaft (16) that extends from a face end (14) of the housing (10) is drivable by the motor (12). A suction conduit (18) extends at least partway through the housing (10). The suction conduit (18) opens as an intake at the face end (14) of the housing (10).

Abstract: The invention relates to a tool system which includes an exchangeable rotary tool for electric hand-held machine tools, preferably with a drill and/or hammer function, in particular for an electric hammer drill, and an electric drill, in particular a percussion drill. The tool system also includes at least two tool holders that are embodied as tool fittings that are associated with the hand-held machine tools and are different types. The rotary tool has an insertable shaft to be accommodated in the respective tool holder of the hand-held machine tools, the shaft having at least two slaving ribs that are diametrically opposed and that extend along the shaft for rotational engagement. The tool fitting of a first type is embodied as a positive fit fitting and another tool fitting of the second type as a multi-jaw clamping chuck. The slaving ribs have a width and a height such that, in the clamped state, they are at a lateral distance from the clamping jaws of the multi jaw clamping chuck.

Abstract: A tool holder for a machine tool has a tool holder element in which an insertion tool is insertable and lockable, a locking device for locking the insertion tool in said tool holder element and including a locking element displaceable between a release position and a locking position in which the insertion tool is locked in the tool holder, a blocking element held in the tool holder element and displaceable by the insertion tool, the blocking element inhibiting a motion of the locking element in a locking position, a control element which displaces the blocking element and located on the tool holder, which in a first phase when the control element moves between the release position and the locking position in a control position in which it acts on the blocking element, and in a second phase the control element is in a non-operational position, the control element is configured so that it performs an axial motion in the control position and it performs a radial motion to move it into a non-operational position

Abstract: The invention relates to a hand-held electric power tool comprising at least one driven rotating part (3) that is mounted in at least one bearing (7, 13). According to the invention, the rotating part (3) is vibrationally decoupled from the bearing (7, 13).