Patents Assigned to Festool GmbH
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Patent number: 12138730Abstract: A device for supporting and/or guiding a machine tool or a workpiece, wherein the device includes a contact body having a contact surface for contact on a work surface of a workpiece or a wall. It is provided that the contact body includes a holding element having an adhesive means for adhesion to the work surface, wherein the adhesive means, when the contact surface of the contact body bears against the work surface, can be brought from a positioning state, in which the adhesive means is not in contact with the work surface and the contact surface can be positioned with respect to the work surface into an adhesive state, in which the adhesive means adheres to the work surface and fixes the contact body on the work surface.Type: GrantFiled: July 19, 2019Date of Patent: November 12, 2024Assignee: Festool GmbHInventor: Wolfgang Spengler
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Patent number: 12128514Abstract: The invention relates to a tool apparatus (10) with a drivable tool (1), comprising a shaft (2) which is coupled to the tool (1), further comprising one or plural braking bodies (3) which in particular are arranged distributed around the shaft (2) in the circumferential direction, wherein the tool apparatus (10) is adapted to bring the one or plural braking bodies (3) from a release state into a braking state in the course of a braking procedure, wherein in the braking state the one or the plural braking bodies (3) are in contact with the shaft and thereby exert a braking force upon the shaft (2), so that the shaft (2) and thereby also the tool (1) are braked and wherein in the release state the one or the plural braking bodies (3) are not in contact with the shaft (2).Type: GrantFiled: March 9, 2020Date of Patent: October 29, 2024Assignee: Festool GmbHInventors: Markus Schmid, Christian Schock
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Patent number: 12119722Abstract: A drive motor for a suction tool (400) or a machine tool in the form of a hand-held power tool (200, 300) or a semi-stationary machine tool. The drive motor (20, 120) has a stator (80) with an excitation coil assembly (86) and a rotor (40, 140) with a motor shaft (30, 130) which is rotatably mounted on the stator or relative to the stator (80) about a rotational axis (D) by means of a bearing assembly (24A), and the drive motor (20, 120) has a connection device (100) for electrically connecting the drive motor to an energizing device (206, 306) for energizing the excitation coil assembly (86). The connection device (100) has a main part (103) for securing to the stator (80) and a receiving arm (108) which protrudes from the main part (103), a conductor receiving area (107) being formed between the main part and the receiving arm for at least one electric coil conductor (88) of an excitation coil (87) of the excitation coil assembly (86).Type: GrantFiled: April 30, 2020Date of Patent: October 15, 2024Assignee: Festool GmbHInventors: Bernd Walter, Florian Goos, Volker Barth
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Patent number: 12115641Abstract: A connection assembly for connecting a tool head and a further machine module of a machine tool, in particular a surface finishing machine, wherein the connection assembly (10) includes at least two connection parts following one another along a longitudinal axis and each having a connection section via which the connection parts are connectable to one another.Type: GrantFiled: July 30, 2020Date of Patent: October 15, 2024Assignee: Festool GmbHInventors: Stefan Tulodziecki, Hans-Peter Albrecht
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Patent number: 12113424Abstract: A drive motor for a suction device (400) or a machine tool in the form of a handheld power tool (200, 300) or a semi-stationary machine tool, wherein the drive motor (20, 120) includes a stator (80) having an excitation coil assembly (86) and a rotor (40, 140) having a motor shaft (30, 130), which is rotatably mounted around a rotational axis (D) on the stator or with respect to the stator (80) by means of a bearing assembly (24A) and passes through a shaft through-opening (42, 142) of a laminated core (41, 141) which is held on the motor shaft (30, 130) and is electrically insulated from the motor shaft (30, 130). It is provided that an insulation sleeve (60) is arranged between the motor shaft (30, 130) and the laminated core (41, 141), which is inserted into the shaft through-opening (42, 142) and has a socket (64) with an insertion opening (64A) through which the motor shaft (30, 130) is plugged into the socket along an insertion axis (S).Type: GrantFiled: April 30, 2020Date of Patent: October 8, 2024Assignee: FESTOOL GMBHInventors: Volker Barth, Florian Goos
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Patent number: 12090622Abstract: A handle device for releasable fastening on a hand-held power tool (10), wherein the handle device has a clamping ring (41) with a clamping mount (42) for receiving a fastening portion (20) of the hand-held power tool (10) and also has a handle (60), which projects from the clamping ring (41), wherein a clamping-actuation grip (78), which can be activated manually by the operator (BE), can be used to adjust the clamping mount (42) between a clamping position (K), and a release position (L), and wherein the handle device has an axial-form-fitting body (80), which is mounted in a movable manner in relation to the clamping mount (42) and has an axial-form-fitting contour (81) for engagement in a mating axial-form-fitting contour (25) of the fastening portion of the hand-held power tool.Type: GrantFiled: May 27, 2021Date of Patent: September 17, 2024Assignee: Festool GmbHInventor: Benjamin Allgaier
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Patent number: 12090562Abstract: A power tool with a rotatable tool designed as a saw blade or a milling cutter, including a sensor device for detecting a mechanical quantity, the mechanical quantity having a force, an acceleration, a velocity, a deflection, a deformation and/or a mechanical stress, and the mechanical quantity being dependent on a force emanating from the tool, and a control device communicatively coupled to the sensor device, which control device is adapted to recognize a kickback event based on the detected mechanical quantity, where the control device is adapted to selectively determine a first recognition function or a second recognition function different from the first recognition function based on a function determination information, and to perform the recognition of the kickback event based on the detected mechanical quantity using the determined recognition function.Type: GrantFiled: September 28, 2021Date of Patent: September 17, 2024Assignee: FESTOOL GMBHInventors: Markus Schmid, Marc Rusch
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Patent number: 12083609Abstract: A mobile handheld machine saw (10) having a saw assembly (11), which has a saw toolholder (14) for a saw tool (15), in particular a saw blade, and a saw drive motor (12) for driving the saw toolholder (14), and having a guide device (17), which has a guide body (18) having a guide surface (19) for guiding the handheld machine saw (10) along a working direction (AR) on a workpiece (W) and on its upper side (19A) opposite to the guide surface (19), the saw toolholder (14) is movably mounted by means of a saw depth setting bearing (16) between an upper depth setting position (UT) in which the saw toolholder (14) is adjusted closer to the guide surface (19) than in the upper depth setting position (OT).Type: GrantFiled: December 13, 2020Date of Patent: September 10, 2024Assignee: Festool GmbHInventors: Philipp Sobl, Wolfgang Spengler, Marco Haible
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Patent number: 12070871Abstract: A hand-held power tool for machining a workpiece, comprising a drive motor, a tool holder, which can be driven by the drive motor, and which is for a working tool for machining the workpiece, and a guide element having a guide surface for guiding the hand-held power tool on the workpiece in a working direction, wherein the tool holder is mounted via a bearing arrangement such that it moves relative to the guide element and the tool holder can be driven by a servo motor arrangement, wherein the hand-held power tool can be swivelled via the bearing arrangement about at least one adjusting swivel axis passing through the guide surface at an angle, in particular at a right angle, for the relative adjustment of the tool holder relative to the guide element, wherein the hand-held power tool has a control device for controlling the servo motor arrangement.Type: GrantFiled: October 26, 2018Date of Patent: August 27, 2024Assignee: FESTOOL GMBHInventor: Marc Rusch
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Patent number: 12064895Abstract: A tool device, in particular a saw device, having a tool for processing a workpiece located in a working area. The tool device includes a tool braking device for braking a tool rotary movement of the tool, and a multi-joint arrangement by means of which the tool can be pivoted selectively in a feed direction into the working area or in a removal direction out of the working area. The multi-joint arrangement is designed to, while maintaining the pivotability of the tool, absorb and/or redirect forces occurring during braking of the tool rotary movement, so that the tool is not pivoted in the feed direction by the forces occurring during braking of the tool rotary movement or is pivoted in the removal direction by the forces occurring during braking of the tool rotary movement.Type: GrantFiled: May 12, 2020Date of Patent: August 20, 2024Assignee: FESTOOL GmbHInventors: Markus Wildermuth, Josua Frank, Harald Ruhland
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Patent number: 12064896Abstract: A bench saw, including a support structure with a lay-on section which provides a lay-on surface, as well as a saw blade which engages through an opening of the lay-on section, so that at least a part of the saw blade is located below the lay-on section lower side, a housing arrangement which is located below the lay-on section lower side and which surrounds the part of the saw blade which is located below the lay-on section lower side, where the saw blade is pivotable together with the housing arrangement relative to the lay-on section, in order to adjust an angle between a cutting plane of the saw blade and the lay-on surface. The bench saw further includes a cover flap which covers a gap between the housing arrangement and the lay-on section lower side, the gap arising on pivoting the housing arrangement.Type: GrantFiled: January 9, 2020Date of Patent: August 20, 2024Assignee: FESTOOL GmbHInventors: Ondrej Kovács, Václav Zvánovec
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Patent number: 12059795Abstract: A hand-held power tool (10), in particular a grinding machine or cutting machine, having a machine housing (20) in which a drive motor (11) for driving a tool holder (13) for a work tool (14), in particular a grinding tool or cutting tool, is accommodated, wherein the machine housing (20) has a drive housing part (30) and a handle housing part (40), wherein the drive housing part (30) has the tool holder (13) drivable by the drive motor (11) and the handle housing part (40) has a grip section (25) to be grasped by an operator, wherein the handle housing part (40) protrudes from the drive housing part (30) in the direction of a machine longitudinal axis (ML), wherein the handle housing part (40) is mounted on the drive housing part (30) in a mounted state.Type: GrantFiled: December 21, 2022Date of Patent: August 13, 2024Assignee: FESTOOL GMBHInventors: Jaroslav Fiferna, Jiri Blazek, Jürgen Stoll
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Patent number: 12042903Abstract: A mobile machine tool for processing a surface of a workpiece or of a room having a working device which is mobile with respect to a surface of the workpiece or room, which working device includes a tool receptacle for a work tool driven or drivable by a drive motor and/or a coating device having a coating tool for coating the surface, wherein the working device includes a suction device for suctioning the working device onto the surface by means of at least one force component oriented in a normal direction of the surface, wherein the suction device has at least one valve for controlling an intake air flow and/or a negative pressure in a suction region of the working device for suction onto the surface, and wherein the at least one valve has a valve member which is adjustable between at least two valve positions in which a flow cross-section of the valve is different.Type: GrantFiled: May 15, 2019Date of Patent: July 23, 2024Assignee: FESTOOL GmbHInventors: Stefan Scharpf, Stefan Tulodziecki, Mutasem Rabah, Christoph Dieter
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Patent number: 12040683Abstract: A drive motor for a suction device (400) or a machine tool in the form of a hand-held power tool (200, 300) or a semi-stationary machine tool. The drive motor (20, 120) has a stator (80) with an excitation coil assembly (86) and a rotor (40, 140) with a motor shaft (30, 130) which is rotatably mounted about a rotational axis (D) on the stator or relative to the stator (80) by means of a bearing assembly (24A) and which passes through a shaft through-opening (42, 142) of a laminated core (41, 141) held on the motor shaft (30, 130). The rotor (40, 140) has a magnet assembly (50) with at least one permanent magnet such that the rotor (40, 140) can be rotated about the rotational axis (D) by energizing the excitation coil assembly (86).Type: GrantFiled: April 30, 2020Date of Patent: July 16, 2024Assignee: FESTOOL GMBHInventors: Volker Barth, Patrick Schön
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Publication number: 20240227231Abstract: A sawing apparatus can have a drive shaft that is rotatable about a central axis for rotationally driving a saw blade. The apparatus includes an electrical rotary feedthrough for the electrically conductive connection of the drive shaft to a connection assembly. The electrical rotary feedthrough includes a first component having a contact section that tapers in the direction of a second component and the shell surface of said contact section forms a first contact surface. The second component has a receiving channel that extends along the central axis and the side surface of the receiving channel forms a second contact surface. The first contact surface lies against the second contact surface in sections. The receiving channel and the tapering contact section has a clearance for ruling out a purely axial abutment of the components. In addition, an electrical rotary feedthrough for a sawing apparatus, is described.Type: ApplicationFiled: October 20, 2023Publication date: July 11, 2024Applicant: Festool GmbHInventors: Stefan TULODZIECKI, Benjamin Allgaier, Philipp Kranz, Marius Heckenberger, Alexander Lautenschläger
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Publication number: 20240227045Abstract: Circular saws having a blade that moves relative to a stationary base structure during operative use of the circular saws to cut a workpiece and methods of detecting a kickback condition of such circular saws. The circular saws include a base structure, a user-actuated assembly, an attachment structure, and a controller. The attachment structure is configured to permit constrained relative motion between the base structure and the user-actuated assembly in a motion direction and during operative use of the circular saw to cut the workpiece. A motion sensor is configured to generate a motion signal indicative of motion of the user-actuated assembly along the motion direction. The controller is programmed to initiate a kickback response of the circular saw responsive to the motion signal being indicative of a kickback condition of the circular saw.Type: ApplicationFiled: February 18, 2022Publication date: July 11, 2024Applicant: Festool GmbHInventors: Maximilian Markus Schlögel, Markus Schmid, Markus Wildermuth, Josua Frank, Dominik Hilpert
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Patent number: 12030064Abstract: A cyclone pre-separator for positioning on a particle collecting container, the cyclone pre-separator including a box-shaped housing and a cyclone unit arranged in the housing. The cyclone unit includes an air inlet, an air outlet, and a particle outlet arranged on a underside of the cyclone pre-separator, where the housing has an air inlet hose port connected to the air inlet and an air outlet hose port connected to the air outlet, and has lower housing couplers, adapted to provide a releasable, vertically tension-proof coupling to the particle collecting container, when the cyclone pre-separator is positioned on the particle collecting container.Type: GrantFiled: March 17, 2022Date of Patent: July 9, 2024Assignee: Festool GmbHInventor: Gerhard Grebing
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Publication number: 20240198440Abstract: A sawing device containing a base part for supporting the sawing device on a base surface and a slide is provided. The slide is mounted on the base part so as to be displaceable in a translational manner via a linear guide. The sawing device includes a saw head which is rotatably mounted on the slide. A drive unit for rotationally driving a saw blade in a saw blade plane (S) is arranged on the saw head. In addition, at least one interface for selectively coupling an electrical energy storage device is arranged on the slide. The interface is electrically connected to the drive unit. Moreover, a saw assembly containing such a sawing device and at least one electrical energy storage device is presented. The electrical energy storage device is coupled to the sawing device via at least one interface.Type: ApplicationFiled: December 14, 2023Publication date: June 20, 2024Applicant: Festool GmbHInventor: Alexander LAUTENSCHLÄGER
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Patent number: 12011138Abstract: A connection device for the fluidic connection of a suction tube to a function unit. The connection device includes a first hollow-cylindrical connection section and a second hollow-cylindrical connection section. One of the connection sections is connectable or connected to the suction tube and the other connection section is connectable or connected to the function unit. One of the connection sections is located at least partly within the other connection section and with its outer periphery bears on the inner periphery of the other connection section, where the two connection sections are rotatably mounted, in order to provide a rotation compensation for the suction tube, and where an electrical connection for providing an antistatic function exists between the two connection sections. The first connection section includes a spring section which is deformable in the radial direction and with which the bearing contact on the second connection element takes place.Type: GrantFiled: October 28, 2019Date of Patent: June 18, 2024Assignee: FESTOOL GmbHInventor: Steffen Maier
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Patent number: 12005559Abstract: An attachment for a portable power tool, in particular a screwdriver machine or drilling machine, wherein the attachment has a drive part with a drive element and an output part with an output element for driving a work tool, wherein the drive element is able to be coupled to a machine output element of the portable power tool in order to drive the attachment and is connected or coupled to the output element via a transmission for driving the output element, and wherein the drive part has, on a drive side, a fastening device for releasably fastening the attachment to the portable power tool for conjoint rotation with respect to an angle positioning axis. Provision is made for the output part to be rotatable about the angle positioning axis relative to the drive part into at least two mutually different angle positions.Type: GrantFiled: May 8, 2020Date of Patent: June 11, 2024Assignee: FESTOOL GMBHInventors: Alexander Lautenschläger, Peter Seiler, Benno Gmünder, Stefan Ziegler