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| Number | Title | Issue Date |
| 8181717 | Power tool with battery pack ejector A power tool has a mechanism for ejecting a battery pack which includes a receiving frame which defines a cavity to receive a battery pack. A receiving member is adjacent the cavity. The receiving member meshes with a member on the battery pack to hold the battery p... | 05/22/2012 |
| 8087475 | Electrical power tool An electric power tool has a housing having an inlet opening and an outlet opening, a drive motor contained in the housing, an electronic unit for controlling and regulating the drive unit, a fan a main air conduit extending between the inlet opening and the outlet ... | 01/03/2012 |
| 8083007 | Electric power tool having speed reduction mechanism An electric power tool includes a motor, a speed reducer unit arranged to deliver the rotational power of the motor and provided with gears, a housing arranged to accommodate the motor and the speed reducer unit, and a speed changing unit for changing a gear reducti... | 12/27/2011 |
| 8033344 | Power supply module for an electric power tool A power supply module for interchangeable attachment to an electric tool has a module housing, which receives a battery and an introduction dome, formed integrally onto the module housing, for guiding the tool, on which dome there is an electrical interface with the... | 10/11/2011 |
| 7980325 | Rotating shaft locking mechanism A locking mechanism for a rotary power tool that includes an elongated locking member that is retained by, and is at opposite first and second end portions within, at least one of a motor housing and a gearbox end casting and being slideable between unlocked and loc... | 07/19/2011 |
| 7963346 | Power tool with angle drive and pinion adjustment A power tool comprises a housing (10;110) with an output shaft (11;111) driven by a rotation motor and an angle drive (12;112) connecting the output shaft (11;111) to the motor, wherein the angle drive (12;112) comprises a drive sp... | 06/21/2011 |
| 7832499 | Electric tool with closable air ports An electric tool includes a housing; a motor that is housed in the housing; and a tip tool. A rotation transmission mechanism transmits a rotation of the motor to the tip tool. An air inlet is disposed on the housing to introduce a cooling air for cooling the motor ... | 11/16/2010 |
| 7828077 | Rotary angle tool A rotary angle tool is provided for driving a fastener while controlling the rotational speed of the chuck by varying the pressure or force of the tool against the fastener. The tool includes an angled chuck assembly that is drivable by a motor, an output shaft of t... | 11/09/2010 |
| 7802632 | Stranded wire retaining channel for an electrical tool An electrical tool includes a housing, a conductor channel, and a stranded conductor. The housing includes a motor, electronics, and drive gear. The conductor channel has a flexible section and a rigid section. The stranded conductor is in a receptacle of the conduc... | 09/28/2010 |
| 7789169 | Driver configuration for a power tool A tool with a driver and a motor assembly for selectively translating the driver along an axis. The driver has a driver blade and a driver body that is coupled the driver blade. The driver body can be formed of titanium and can include an engagement surface with a p... | 09/07/2010 |
| 7770660 | Mid-handle drill construction and assembly process A power tool can include a gear case, a motor having first and second sets of lead wires, a housing assembly, and a field case. The field case may include a front portion configured for engaging the gear case and a rear portion. The housing assembly may include firs... | 08/10/2010 |
| 7766097 | Portable electric power tool A portable electric power tool powered by a battery pack, which includes: a motor that operates the tool; the housing that houses the motor; at least one elastic member that is supported by the housing; and a battery pack holder supported by the elastic member. The ... | 08/03/2010 |
| 7753137 | Hand-held power tool A hand-held power tool damping unit has a damping element which is configured for producing friction between an output unit and a drive unit for driving the output unit, wherein damping element includes at least one annular segment. ... | 07/13/2010 |
| 7681661 | Electric power tool A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed. ... | 03/23/2010 |
| 7677328 | Multiple flex-shaft adapter for electric drill A multiple flex-shaft adapter coupled to an electric drill has a housing assembly attaching to the drill at one end and to a plurality of flex-shafts at an opposite end. The flex-shafts have specialized drill bits attached thereto for performing different nail opera... | 03/16/2010 |
| 7673703 | Hand-held power tool having main and handle housings with a connection device for connecting the housings A hand-held power tool having a main housing (4) in which a tool spindle (10) is at least partially located, and a handle housing (16) on which a handle (18) is formed, includes a connection device (28) for securing the handle hous... | 03/09/2010 |
| 7665541 | Electric power tool with cover A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed. ... | 02/23/2010 |
| 7661486 | Power tool with battery pack ejector A power tool has a mechanism for ejecting a battery pack which includes a receiving frame which defines a cavity to receive a battery pack. A receiving member is adjacent the cavity. The receiving member meshes with a member on the battery pack to hold the battery p... | 02/16/2010 |
| 7600579 | In-tool wrench storage system The present invention is a method and device for a hand power tool which includes a housing, a storage compartment within the housing, a wrench for manipulating a collet bit attachment structure, a portion of the wrench sized to fit within the storage compartment, a... | 10/13/2009 |
| 7597157 | Electric power tool having cooling conduits An electric power tool includes an electric motor located in a housing (10) and a cooling device (16, 18, 20, 30, 32). The cooling device (16, 18, 20, 30, 32), at least in some regions, has a cooling conduit (30) that is closed off from a... | 10/06/2009 |
| 7503402 | Power tool having lubricant leakage preventing structure A power tool suppressing expansion of the air in a chamber and preventing lubricant encapsulated in the chamber from being leaked outside of the chamber. A communication portion communicates a speed reduction chamber with a motor housing communicating with an atmosp... | 03/17/2009 |
| 7497275 | Cordless power tool system with improved power output A cordless power tool system for improved power output includes a plurality of hand-held cordless power tools, where each power tool includes a tool housing, motor assembly, transmission/gear assembly and removable battery pack. The battery pack provides a nominal o... | 03/03/2009 |
| 7413460 | Electric hand-held power tool An electric hand-held power tool has a machine housing, an energy accumulator module detachably connected therewith and slidable into and out of a guide formed on the machine housing, and a locking device acting between a machine housing and an energy accumulator mo... | 08/19/2008 |
| 7413025 | Torque tool A torque tool comprises a torque converter, a power tool for actuating the converter and an attachment adapter, interposed between the torque converter and the power tool, for coaxially and firmly interconnecting the former to the latter. The power tool, having its ... | 08/19/2008 |
| 7411144 | Electric tool, particularly battery-operated electric tool An electric tool is provided, including an electric tool housing, an electric motor located in the electric tool housing, and an energy store, particularly a battery, for supplying the electric motor with energy. An actuating member for actuating a switching means f... | 08/12/2008 |
| 7410441 | Multispeed power tool transmission A portable power tool having a relatively compact multi-stage, three-speed transmission and a related method for operating a power tool with a multi-stage, three-speed transmission. ... | 08/12/2008 |
| 7404781 | Multispeed power tool transmission A method for operating a portable power tool having a multi-stage, three-speed transmission. ... | 07/29/2008 |
| 7401663 | Electric motor driven hand-held tool An electric motor driven hand-held tool, such as a drilling, hammering or screw driving tool having a tool housing within which is located an integrated switch unit (6). The switch unit (6) includes an electronic motor control unit (8), a first ... | 07/22/2008 |
| 7398834 | Hammer drill with selective lock-on A hammer drill comprising: a motor; a drive transmission capable of operating in at in at least a rotary mode and a reciprocating mode; a mode change mechanism; a switch which, when closed, provides power to the motor; and a mechanical lock-on mechanism which, when ... | 07/15/2008 |
| 7395876 | Drill driver A drill/driver (2) includes first (32) and second (52) drive shaft. The two drive shafts (32, 52) are independently rotatable about respective axes (A-A, B-B) thereby to selectably choose the radial and axial position of the final output ... | 07/08/2008 |
| 7395875 | Rechargeable battery-operated hand machine tool The invention is based on a rechargeable battery-operated hand machine tool (10) having an electric drive motor (18) accommodated in a housing (12) and powered by a rechargeable battery (20), which motor is used to drive a tool (16... | 07/08/2008 |
| 7360607 | Hand-held power tool with a torque-limiting unit A hand-held power tool has a motor output shaft, a tool driver, a torque-limiting unit with which a maximum torque transferred from the motor output shaft to the tool driver is adjustable by an operator; an actuating element that adjusts the torque-limiting unit, an... | 04/22/2008 |
| 7359628 | Control device for an electric motor The invention relates to a drive device for an electric motor, in particular for a brushless DC motor in an electrical tool, which is powered by a rechargeable battery. The drive device has at least one power semiconductor, in particular for controllable application... | 04/15/2008 |
| 7359194 | Device and method for cooling an electronics unit A device for cooling an electronics unit, in particular a control electronics unit of a hand-held power tool, has an air-conducting device that directs at least a portion of an air stream exiting an electric motor to the electronic unit, while a method for cooling i... | 04/15/2008 |
| 7354226 | Hand-held power tool with a dust suction module A hand-held power tool (2) connectable with a dust suction module (32) includes a motor (64) and an air flow generator (66) which for cooling the motor (64) is located, together with the motor (64), in air flow path (62 | 04/08/2008 |
| 7350592 | Hammer drill with camming hammer drive mechanism A reciprocating drive mechanism for a striker in a hammer, a rotary hammer, or a power drill having a hammer action, includes a sinusoidal cam channel formed on a drive member and a cam follower, in the form of a ball bearing, attached to a driven member which, due ... | 04/01/2008 |
| 7347651 | Drilling device In order to improve a device (100) for a drilling machine (10) known per se for manual drilling with a casing (11), a grip (12), a tool chuck (13) and a tool (14), especially a drilling, reaming or counterboring tool, in suc... | 03/25/2008 |
| 7348485 | Power tool with internal fastening element The present invention relates to a power tool, including at least a first and a second housing part, many components, in particular electric motor components or electrical components, and one fastening element for fastening the many components to the first housing p... | 03/25/2008 |
| 7344054 | Power tool A power tool includes a hook portion having a hook holding portion, which is provided in a housing and has engaging teeth provided in the housing. A hook having a shaft portion is inserted into the hook holding portion and provided with fitting teeth meshing with th... | 03/18/2008 |
| 7336048 | Method for operating a power tool In a method for operating a power tool with an energy accumulator, in particular a rechargeable energy accumulator, which supplies power to an electric drive motor, a clock frequency is generated by an electronic unit, with which a gate of a MOSFET—which supplies ... | 02/26/2008 |
