Patent application number | Description | Published |
20080200103 | Guard For A Hand-Held Power Tool And Hand-Held Power Tool With A Guard - The invention relates to a protective hood for a hand tool, in particular for an electrical hand tool which has a support area for the attachment of a flange of the hand tool, and with a clamping device for fastening the protective hood to the flange as well as an anti-twist device to secure the angle position of the protective hood relative to the hand tool. It is provided that the support area ( | 08-21-2008 |
20080218024 | POWER TOOL WITH INTEGRATED AUXILIARY TOOL FOR REPLACING BRUSHES - A power tool has an electric motor that includes a commutator, with which at least one commutator brush is acted upon with spring force via at least one commutator spring in the direction of a non-rotatable collector of the commutator. At least one auxiliary tool for adjusting the commutator spring is located on a component of the power tool. | 09-11-2008 |
20080223593 | HANDLE - Disclosed is a handle including a grip element and a fastening element situated on the grip element; the fastening element protrudes at least partway into the grip element and is guided in the grip element with a radial play. The handle is characterized by means of at least one damping element that is situated on the grip element so that it functions as a stop for limiting the radial play of the fastening element in the grip element. | 09-18-2008 |
20080235913 | HANDLE - A handle includes a grip element, a fastening element, and at least one damping element which is configured as a telescopic damping element, and can be used in a hand-held power tool. | 10-02-2008 |
20090023372 | HAND-HELD POWER TOOL FOR A ROTATING TOOL WITH A GUARD - The invention relates to a portable power tool ( | 01-22-2009 |
20090038120 | AUXILIARY HANDLE DEVICE - An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit that includes a counter-oscillation unit with at least one oscillation element. The damping unit includes at least one joint unit, via which the oscillation element is supported in an oscillating manner. | 02-12-2009 |
20090038121 | AUXILIARY HANDLE DEVICE - An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit that includes at least one damping element. The damping element is designed to pivot about a pivot axis while vibrations are being damped. | 02-12-2009 |
20090038818 | AUXILIARY HANDLE DEVICE - An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit. The damping unit includes a rotation unit with at least one rotation element, which is provided to rotate about at least one rotation axis. | 02-12-2009 |
20090038899 | AUXILIARY HANDLE DEVICE - An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle and a damping unit with at least one absorber mass element. The absorber mass element is designed in the shape of a sleeve along a main extension direction of the auxiliary handle device. | 02-12-2009 |
20090039576 | AUXILIARY HANDLE DEVICE - An auxiliary handle device, in particular for a hand-held power tool, has an auxiliary handle, a fastening unit provided for attachment with the hand-held power tool, and a damping unit with at least one absorber mass element. The absorber mass element is located at least partially on an end region of the auxiliary handle facing the fastening unit along an axial direction between the auxiliary handle and the fastening unit. | 02-12-2009 |
20090178243 | HANDLE - The invention describes a handle including a grip element and a fastening element, which are situated spaced apart from each other by at least one damping element; at least one of the contact surfaces of the grip element or fastening element, which are oriented toward each other via the damping element, is embodied as profiled so that the contact surface is enlarged. | 07-16-2009 |
20090209184 | HAND-HELD POWER TOOL FOR A ROTATING TOOL WITH GUARD - The invention relates to a portable power tool ( | 08-20-2009 |
20090280732 | Machine tool, in particular hand-held power tool - The invention relates to a machine tool, particularly a hand machine tool, which comprises a driving motor and an air guide element, which is disposed in the housing of the machine tool and conducts an air current passing over the driving motor to the outside. The air guide element comprises a functional section, which forms a part of the outer lateral surface of the machine tool. | 11-12-2009 |
20090311953 | POWER TOOL, IN PARTICULAR HANDHELD POWER TOOL - A power tool includes a guard hood to be fixed on a tightening neck via a securing device thereof. The securing device has a securing part, which is to be tightened via an actuation element, and a detent component which is adjustable between a detent or locked position and a nondetent or unlocked position. The actuation element acts upon both the securing part and the detent component. | 12-17-2009 |
20100045122 | STATOR OF AN ELECTRICAL MACHINE, ELECTRICAL MACHINE, AND POWER TOOL - A stater of an electrical machine has a cross section, a longitudinal extension, a jacket surface, a plurality of winding holders configured so that at least one of the winding holders for receiving a field winding has a larger winding width than another of the winding holders. | 02-25-2010 |
20100045123 | STATOR OF AN ELECTRICAL MACHINE, ELECTRICAL MACHINE, AND POWER TOOL - A stator of an electrical machine has a cross section, a longitudinal extension, a jacket surface, a plurality of winding holders configured for receiving field windings, the winding holders being distributed inhomogenously around an inner circumference of the cross section, such that a density of the field windings in at least one first region formed around a stator circumference is smaller than in an adjacent second region. | 02-25-2010 |
20100105300 | GUARD HOOD TORSION PREVENTER - The invention is based on a guard hood torsion preventer for a handheld power tool, in particular for a right-angle power sander. The invention is for preventing torsion of a guard hood on the handheld power tool, in particular in the event of damage to a tool. The guard hood torsion preventer includes at least one torsion-prevention unit which has a longitudinal axis, about which the torsion-prevention unit is rotatably supported. | 04-29-2010 |
20100178857 | HANDHELD POWER TOOL - The invention is based on a handheld power tool, in particular a right-angle sander ( | 07-15-2010 |
20100258327 | ELECTRICALLY DRIVEN HAND-HELD POWER TOOL - The invention relates to an electrically driven hand-held power tool having a drive motor that is configured as a commutator motor having a brush for current transfer to the commutator. A removable cover is received in the housing that is the carrier of a spring element, which exerts a spring force in the mounted state on the brush in the direction of the commutator. | 10-14-2010 |
20100270877 | ELECTRIC POWER TOOL WITH AN ELECTRIC MOTOR - The invention relates to an electric machine tool, particularly an angle grinder, having an electric motor that can be forcibly cooled by a cooling air flow. The electric motor includes an armature and a field iron package disposed concentrically to the armature which are disposed in a cooling air flow. The invention proposes that the armature and the field iron package be disposed in series in the cooling air flow. | 10-28-2010 |
20100328929 | HAND-HELD POWER TOOL - A hand-held power tool includes a housing with a tool fitting for receiving an insertion tool, and at least one illuminating element for illuminating the working area of the hand-held power tool; wherein the at least one illuminating element is located in the region of the tool fitting. | 12-30-2010 |
20110012446 | ELECTRIC POWER TOOL - In an electric machine tool with a commutator motor which has a motor shaft which is arranged rotatably in a motor housing and has a commutator, at least two commutator brushes are assigned which are accessible via at least one brush cover provided on the motor housing. A covering element fixes the brush cover on the motor housing in an operating position in which the commutator brushes are covered. The covering element in turn is fastened on the motor housing via a detachable connection. | 01-20-2011 |
20110086583 | POWER TOOL, PARTICULARLY A HAND-HELD POWER TOOL - The invention relates to a power tool, comprising a protective guard, and a clamping band to be positioned about a clamping collar for attaching a protective guard to the clamping collar of the power tool. The clamping band is tensioned by a fastening device associated with the protective guard by way of a screw. A section of the clamping band is designed as a pivoting section, which is held at an adjoining section of the clamping band in an articulating manner. | 04-14-2011 |
20110148227 | POWER TOOL - The invention relates to a power tool having a machine housing and a ventilation unit which is provided for cooling a motor unit and/or an electronics unit encased by the machine housing, the cooling being accomplished by means of suctioning a cooling air flow, and which has a deflection unit. The invention provides that the deflection unit has at least one deflection channel that is provided for separating contaminant particles and air of the cooling air flow by means of a deflecting of the cooling air flow. | 06-23-2011 |
20110175466 | HANS POWER TOOL WITH BRUSH MOTOR - A hand power tool with an oblong motor housing, particularly used as a handle, houses an electric collector motor. The brushes of the motor are housed in a brush holder with a brush shaft in a spring loaded way. Furthermore, the brush holder is solely/individually fixed in the motor housing, to which an axis intersection is associated, particularly a longitudinal, a vertical, and a transversal axis. According to the invention, the hand power tool is arranged in the motor housing in a space-saving manner with the shaft of the brush holder arranged opposite the vertical axis of the motor housing at an angle of approximately 20° in a laterally displaced way, particularly radially, relative to the longitudinal axis. | 07-21-2011 |
20110204786 | Machine Tool with an Electrical Generator for Passive Power Generation - A machine tool with a generator for generating electrical power is disclosed. The generator has a rotor and a stator. A coil and a magnet are arranged on the stator. The rotor is capable of moving relative to the stator and has a first region and a second region. The rotor is configured in such a way that, during a movement of the rotor relative to the stator, a magnetic flux in the coil is changed due to differences between the first and second regions in terms of their magnetic permeability and/or in terms of their geometric configuration, and an electrical voltage is induced. | 08-25-2011 |
20110204787 | Machine Tool with an Active Electrical Generator for Power Generation - A machine tool with a generator for generating electrical power is disclosed. The generator has a stator with a coil and a rotor with a magnet. The rotor is capable of moving relative to the stator. An air gap is formed between the rotor and the stator. The stator and the rotor comprise a material with a relative permeability greater than the relative permeability of air and are arranged in such a way that magnetic lines of force of the magnet are guided in a targeted manner with respect to the coil. The air gap between the stator and the rotor is configured in such a way that a large proportion of the lines of force emanating from the magnet are guided by the stator and the rotor. | 08-25-2011 |
20120138325 | Machine Tool, in particular Hand Machine Tool - A tool machine has a housing assembled by two separate housing parts and an air directing element arranged in the housing, wherein the air directing element is implemented independently from a connection device for connecting the housing parts. The air directing element is forced by a housing part axially in a seat in the other housing part, wherein in the transmission path between the housing parts and the air directing element a spring element is arranged. | 06-07-2012 |
20120186844 | Power Tool, Particularly a Hand Power Tool, the Housing Parts Thereof Being Connected By Means of Form-Fitting Elements - A power tool, particularly a hand power tool, has a motor housing and a housing cover, in which a brush cover can be removably inserted. Corresponding form-fitting elements are arranged on the motor housing and on the housing cover, said elements being connected to each other in a form-fitting manner in the assembled position. The brush cover is held on the housing cover and/or on the motor housing in a form-fitting manner. | 07-26-2012 |
20120187782 | Hand-Held Power Tool with a Drive Motor and a Gear Mechanism - A hand-held power tool with a drive motor and a gear mechanism has elastomer elements moulded onto the inner side of the housing. At least two elastomer elements form elastomer bearings for bearing the drive motor. | 07-26-2012 |
20120190280 | Machine Tool Having a Protective Cover - A machine tool having a protective hood is disclosed. The machine tool has a protective cover which has a clamping joint that can be attached in a flange on the machine with a clamping device. The machine tool also includes a stop device which is configured to limit the relative rotary motion between the protective cover and the flange. | 07-26-2012 |
20120305278 | Hand-Held Power Tool Having Elastomer Elements for Supporting Components in the Housing - A hand-held power tool is provided which includes a drive unit in a housing, a switch device, and elastomer elements. The drive unit is configured to be switched on and off with the switch device which comprises a switch accommodated inside the housing. The elastomer elements are molded onto the outside of the housing and onto the inside of the housing and are connected to each other via an opening in a wall of the housing. An elastomer element on the inside of the housing forms an elastomer bearing configured to support the switch. | 12-06-2012 |
20130033846 | Machine Tool having a Drive Motor - A machine tool having a drive motor includes an electronic unit and a switch for switching the drive motor on/off. An additional contact module is connected to the electronic unit, the drive motor being electrically connected only to the contact module. Also, the switch is connected to the contact module. | 02-07-2013 |
20130161166 | POWER TOOL SWITCHING DEVICE - A power tool switching device, in particular for portable power tools, includes at least one switching unit having at least one movably mounted control element configured to actuate a mechanical, electrical and/or electronic switching element. The power tool switching device further includes at least one guide unit, which, upon an actuation of the control element along a direction of main extent of the control element, is configured to convert a movement of the control element along the direction of main extent at least into a movement of the control element running transversely in relation to the direction of main extent. | 06-27-2013 |
20130205604 | Shaft Bearing Device for a Hand-Held Power Tool - A shaft bearing device for a hand-held power tool, in particular for an angle grinder and/or a circular saw, includes at least one first support unit and at least one second support unit which are intended to axially and/or radially support a bearing element of a shaft. At least one of the at least two support units is formed at least partially by a plate element that has at least one axial and/or radial bend. | 08-15-2013 |