Robert Boschgmbh

Dietmar Saur

Heiko Roehm

Otto Baumann

Tobias Herr

Jens Blum

Michael-Andreas Grunwald

Rolf Mueller

Helmut Lebisch

Axel Kuhnle

Michael Weiss

Stefan Mock

Joachim Hecht

Andre Ullrich

Siegfried Fehrle

Uwe Engelfried

Hardy Schmid

Joerg Welke

Helmut Heinzelmann

Martin Kraus

Ulrich Bohne

Simon Erbele

Wolfgang Herberger

Marco Pawlowski

Andreas Necker

Karl Frauhammer

Willy Braun

Tobias Zibold

Heinz Schnerring

Steffen Tiede

Justus Lamprecht

Manfred Buck

Jens Brennenstuhl

Thomas Bernhardt

Marco Braun

Ralf Windsheimer

Sven Kageler

Christian Lang

Ernst Kraenzler

Helmut Wanek

Wolfram Kienle

Torsten Tussing

Joerg Lemmel

Juergen Jerg

Juergen Winterhalter

Erich Ilic

Juergen Veit

Florian Hoelscher

Tim Hartmann

Thilo Zimmermann

Gerald Fischer

Arne Christ

The disclosure relates to a method for operating a handheld power tool having an electric motor, the method comprising: Sproviding at least one model signal waveform that is associated with a work progress of the handheld power tool; Sdetermining a signal of an operating variable of the electric motor; Scomparing the signal of the operating variable with the model signal waveform and determining a conformity evaluation on the basis thereof; Sidentifying the work progress at least partially using the conformity evaluation; Sexecuting a first routine of the handheld power tool at least partially on the basis of the work progress identified in method step S. The disclosure also relates to a handheld power tool, in particular an impact driver, comprising an electric motor and a control unit, wherein the control unit is designed to carry out a method according to the disclosure.

Method for operating a handheld power tool

Method for detecting a first operating state of a handheld power tool, wherein the handheld power tool has an electric motor. In this case, the method comprises the steps of: (S) determining a signal of an operating variable of the electric motor; (S) comparing the signal of the operating variable with at least one model signal waveform typical of the state, wherein the model signal waveform typical of the state is assigned to the first operating state; (S) deciding whether the first operating state is present, wherein the decision at least partially depends on whether the model signal waveform typical of the state is identified in the signal of the operating variable in step SAdditionally disclosed is a handheld power tool, particularly an impact driver, with an electric motor and a control unit, wherein the control unit is designed to execute a method according to the disclosure.

Method for detecting a first operating state of a handheld power tool

A suction connection adapter for a suction device includes at least one machine connection unit and at least one suction device connection unit. The at least one machine connection unit is detachably connected to a machine tool, in particular a hand-held power tool. The at least one suction device connection unit is detachably connected to a suction hose of the suction device. The suction connection adapter has at least one sensor device.

Suction connection adapter

A method for controlling or regulating a hand-held power tool, in particular a screwdriver, preferably a rotary impact screwdriver. The method includes: application of a first torque, in particular torque impulse, to a screw in a first direction of rotation, and application of a second torque, in particular torque impulse, to the screw, in a second direction of rotation opposite to the first direction of rotation.

Method for controlling or regulating a hand-held power tool

A handheld power-tool device is described as including a drive unit, which includes at least one driveshaft, and at least one rotary striking mechanism, which includes at least one intermediate shaft aligned at least essentially flush with respect to the driveshaft, and at least one bearing for mounting the driveshaft. It is provided that the bearing is situated at least partially in a plane, which intersects the intermediate shaft and extends at least essentially perpendicularly with respect to the intermediate shaft.

Hand-held power-tool device

A hand-held power-tool device including at least one drive housing, at least one striking mechanism housing, and at least one rotary striking mechanism, which includes at least one planetary gear including at least one annulus gear. It is provided that the annulus gear is clamped between the drive housing and the striking mechanism housing.

A handheld power tool device having a drive unit, which includes at least one driveshaft, and at least one rotary percussion mechanism, which includes at least one intermediate shaft oriented at least essentially flush with respect to the driveshaft, and at least two bearings for mounting the driveshaft. It is provided that the bearings for mounting the driveshaft are situated on a side of the drive unit facing toward the rotary percussion mechanism.

Handheld power tool device

A hand-held power tool has a tool housing in which a gear unit which is drivable by a drive motor for driving a drive shaft is situated and to which a torque clutch is assigned. On the hand-held power tool, the drive shaft is provided with a tool holder for holding an assigned insertion tool, and an acceleration sensor is provided which is designed for enabling detection of an activation of the torque clutch.

Hand-held power tool

A tool attachment includes: an attachment housing; a fastening interface situated on the attachment housing for detachable fastening on a handheld power tool, the fastening interface having a locking unit which, (i) in a locked state, locks the tool attachment for operation on the handheld power tool, and, (ii) in the unlocked state, enables removal of the tool attachment from the handheld power tool; and a first angle position setting unit for setting a predefined angle position of the tool attachment on the handheld power tool, the first angle position setting unit being operable in the locked state and in the unlocked state of the locking unit to enable a change of the predefined angle position.

Tool attachment and tool system

A handheld machine tool, in particular a battery-driven handheld machine tool, having a gear unit and a cooling air unit. The cooling air unit is provided to route a flow of cooling air for cooling the gear unit past at least one gear element of the gear unit.

Handheld machine tool

A tool attachment for a handheld power tool that has a housing having a fastening interface includes: an attachment housing on which there is situated a locking unit for locking the tool attachment on the fastening interface of the handheld power tool; a tool receptacle for accommodating an insertion tool; and a hammer mechanism situated in the attachment housing, which hammer mechanism is configured to apply an impact in the axial direction of the tool receptacle on the insertion tool, during hammer operation of the tool attachment.

Tool attachment for a hand-held power tool

A tool system having a hand-held machine tool including a tool holder for receiving an insert tool; and a mounting interface configured for mounting thereon: an angle attachment that includes an angle locking section for locking on the mounting interface and an angle drive unit; and an eccentric attachment that includes an eccentric locking section for locking on the mounting interface and an eccentric drive unit.

Tool attachment for a hand-held machine tool

In a handheld machine tool having a tool housing in which a gear unit is situated to transmit a torque generated by a drive motor to a drive spindle, to which drive spindle a spindle-locking device is assigned, the drive spindle has at least one radial depression in which at least one spindle cylinder assigned to the spindle-locking device is accommodated.

Hand-held machine tool having a spindle-locking device

A handheld screwing apparatus having a torque clutch provided to restrict a torque that is maximally able to be transmitted to an inserted tool. The handheld screwing apparatus includes at least one monitoring unit, which is set up to ascertain a characteristic rotational offset quantity that describes a rotational offset of the torque clutch.

Handheld screwing apparatus

In a hand-held power tool with a device for presetting a selected rotation direction of a drive motor that is associated with the power tool and contained in a tool housing. The device is equipped with an actuating element accessible from outside the tool housing for mechanically actuating a switch element, which is situated inside the tool housing and is at least embodied for electrically switching between a first and second rotation direction of the drive motor, the switch element is situated in the vicinity of the actuating element.

Growing community of inventors

Gomaringen, Germany

Dietmar Saur