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| Number | Title | Issue Date |
| 8039999 | Heat dissipation structure for sealed machine tools A heat dissipation structure for sealed machine tools includes a motor rotor rotating to drive airflow to perform heat dissipation simultaneously. It includes a machine tool housing with a heat dissipation vent and a chamber inside, a stator in the chamber and a rot... | 10/18/2011 |
| 7777372 | Electric motor, electric tool having the motor, and electric motor production method An electric motor designed for electric tools. The motor includes a first molded coil having a first coil covered entirely with a resin that is electrically insulating and highly heat conductive. The motor also includes a second molded coil having a second coil cove... | 08/17/2010 |
| 7443058 | Actuator capable of reciprocal linear driving and rolling driving and power toothbrush using the same A reciprocal linear driving unit and a rolling driving unit are adjacently provided on a common single shaft in axial direction thereof, so that the reciprocal linear driving in the axial direction and the rolling driving around the axis are performed by the single ... | 10/28/2008 |
| 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 |
| 7363685 | Handle assembly for tool A handle assembly for a power tool 1 comprises a housing 2 defining a handle 4 and housing a motor for actuating an output member of the tool, such as a drill bit or jigsaw blade. The handle assembly comprises at least one flexible sheet 8 | 04/29/2008 |
| 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 |
| 7323797 | Power tool It is an object of the invention to provide an effective technique for making compact power tool having an electric motor. A representative power tool may include a tool bit, housing and an electric motor. The electric motor is housed in the housing and drives the t... | 01/29/2008 |
| 7323796 | Motor-driven tool In a motor-driven tool, a carbon brush part 8 is arranged between a suction port 6 and a commutator 11 of the motor and includes a cylindrical side wall 8a. The cylindrical side wall 8a located on an outer periphery o... | 01/29/2008 |
| 7294947 | Apparatus for transferring torque magnetically An apparatus for transferring torque magnetically with a primary rotary member and a secondary rotary member. The primary rotary member has permanent magnets, the secondary rotary member with electro-conductive materials. The secondary rotary member also having magn... | 11/13/2007 |
| 7239053 | Vibrator motor A vibrator motor has a stationary piece and a moving piece hinged at one end. The moving piece does not generate substantial internal spring forces under the influence of an electromagnetic field, because it does not have a tail bracket. Other parts of conventional ... | 07/03/2007 |
| 7217069 | Hand-held tool with a removable object sensor A hand-held power tool is provided with a housing, an attachment member, and an object sensor that is removable from the attachment member. The attachment member may be removable from the tool. The object sensor, which can be used to detect studs hidden behind walls... | 05/15/2007 |
| 7211917 | Motor with a magnet fixed on the inner peripheral face of a circumferential wall A motor includes a circumferential wall part of a case provided with an opening part on one end side in an axial direction and at least a magnet fixed to the inner peripheral face of the circumferential wall part. At least a part of the outer peripheral face of the ... | 05/01/2007 |
| 7208892 | Power management system for a floor care appliance A floor care appliance is provided with an improved power management system for controlling the total amount of current provided to at least a first and a second load device of an appliance. The power management system is comprised of a microprocessor, an alternatin... | 04/24/2007 |
| 7186117 | Connection mechanism for battery pack and power tools A battery-powered tool includes a barrel and a handle connected to the barrel. A battery pack has a body and a pivotal tube extending from a top of the battery pack. The pivotal tube is inserted in a space defined axially in the handle so as to provide electric powe... | 03/06/2007 |
| 7182150 | Cordless hand held power tool with powered accessory An accessory system, such as a dust collection system (40) of a hand held power tool, such as a drilling and/or hammering tool comprising, the tool, an accessory unit (40) comprising a separate motor for powering the unit and releasably mountable on th... | 02/27/2007 |
| 7166939 | Electric hand tool An electric hand tool having a machine housing, with an electric motor accommodated in the machine housing for driving a tool, and a fan wheel accommodated in the machine housing for generating a main cooling air current that flows from a main air inlet to a main ai... | 01/23/2007 |
| 7156108 | Multifunction dental cleaning device A multifunction dental cleaning device is disclosed. The device includes a housing and a drive mechanism disposed within the housing. The drive mechanism includes a driven gear having eccentrically disposed thereon a pin. A reciprocator is coupled to the drive mecha... | 01/02/2007 |
| 7138595 | Trigger configuration for a power tool A hand-held power tool with a housing with a handle arranged along an axis, a trigger disposed in the housing and configured to operate the hand-held power tool, first and second sets of guide tracks coupled to one of the housing and the trigger and first and second... | 11/21/2006 |
| 7122921 | Top loading internal assembly for a power toothbrush A first aspect of the disclosure concerns a driving assembly for a power toothbrush which includes a drive member, specifically an E-core electromagnet, a driven member which is responsive to the action of the drive member and a workpiece mounted on the distal end o... | 10/17/2006 |
| 7119469 | Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing A stator assembly for an electric motor includes a stator housing, a flux ring inserted into the stator housing after the stator housing is formed and a plurality of magnets on an inner surface of the flux ring. Overmold material is molded around the magnets in the ... | 10/10/2006 |
| 7095142 | Pneumatic tool with integrated electricity generator A rotor for a pneumatic tool having electricity-generating capabilities includes a shaft and an integral rotor body. The rotor body includes recesses dimensioned to receive an insulated subassembly having a magnet received within a nonmagnetic insulator to allow flu... | 08/22/2006 |
| 7090372 | Generator-driven lighting device for hand-held power tool A generator-driven lighting device for a hand-held power tool has a lighting device, mounted on said main body of said power tool; an electric generator assembly, mounted on said power tool, supplying said lighting device with power; and a transmission device, conne... | 08/15/2006 |
| 7088024 | Field assembly for a motor and method of making same A stator of an electric motor is formed by inserting pre-formed magnets on a cylinder having anchors and plastic is molded around the magnets and anchors to secure the magnets to a surface of the cylinder, forming a cylinder/magnet assembly. A pilot feature is forme... | 08/08/2006 |
| 7086111 | Electric dental cleaning device The invention is directed to a dental cleaning device. It relates in particular to a handle section of an electric toothbrushing device, with a coupling section for coupling various cleaning tools thereto, a drive mechanism for driving the coupled cleaning tool, and... | 08/08/2006 |
| 7080696 | Motor mounting and sealing arrangement for a power tool A hand held electrical tool includes a gear casing for housing a drive mechanism, which gear casing comprises an entrance. The tool's motor includes an armature shaft having an end at which a pinion is formed for engaging the drive mechanism. A motor plate having a ... | 07/25/2006 |
| 7080964 | Tool chuck having a light transmitting capability A preferred embodiment of the invention comprises a tool chuck for a power hand tool of the type which has a generally cylindrical elongated housing with a motor contained within the housing or case and the motor having an output shaft that extends from the nose end... | 07/25/2006 |
| 7075202 | Mixer/stirrer with motor and reducer having insulating shell around motor and closed by insulating connection flange interposed between the motor and the reducer A mixer/stirrer motor-reducer (e.g. as part of a mixer, stirrer or similar building machine), includes an electric motor (2) and a reducer (3) kinematically connected to the motor via a gear train (4, 6, 8) and with a relevant output shaft (9... | 07/11/2006 |
| 7075204 | Threaded inner sleeve for generator magnet An inner sleeve, having threads on each end, is formed on a motor or generator rotor. A pair of stub shafts are threadably attached to the inner sleeve at each end and a magnet is placed in between. The stub shafts are turned on the inner sleeve to bring them togeth... | 07/11/2006 |
| 7067945 | Apparatus for converting side-to-side driving motion to rotational motion with a spring assembly and system for tuning the spring assembly The apparatus for converting side-to-side to rotational motion for a workpiece includes a spring assembly with a movable base mounting element which is driven in a slightly arcuate reciprocal side-to-side motion and a fixed mounting element spaced apart from the bas... | 06/27/2006 |
| 7063170 | Flexible power tool motor pack and method of making the same A power tool motor pack that includes common components adapted to couple to a first component customized for a first power tool application and to couple to a second component customized for a second power tool application. When the motor pack is used in the first ... | 06/20/2006 |
| 7053325 | Electric power tool An electric power tool includes a housing, an electric power, a trigger, a trigger-limitation device and a switching device. The housing receives the electric power unit having an output shaft. The trigger is slidably mounted on the housing so as to control operatio... | 05/30/2006 |
| 7052799 | Wearable terminal with a battery latch mechanism A wearable, mobile and/or portable terminal for use in an inventory management system. The terminal includes a terminal housing, a battery pack removably receivable within an external battery-receiving cavity of the terminal housing, and a battery latching mechanism... | 05/30/2006 |
| 7042126 | Rotary electric machine A rotary electric machine is disclosed having stator windings and a rotor incorporating permanent magnets distributed about the axis of the rotor to create a magnetic field having circumferentially alternating north and south poles. In the invention, the principal s... | 05/09/2006 |
| 7038343 | Field assembly for a motor and method of making same A cylindrical magnet ring assembly having a cylinder magnet flux ring (102) formed with a plurality of inwardly projecting anchors (108); a plurality of permanent magnets (104), wherein the magnet can be formed with step portions (112) in... | 05/02/2006 |
| 7025542 | Guide device for workpiece machining head, machine having the same, and guide method There is provided a guide device for a machining head capable of machining a workpiece such as a cylinder head of an engine accurately, a machine having the guide device, and a guide method. At least one of guide posts formed in a guide post member has an air pressu... | 04/11/2006 |
| 7015602 | Small electric appliance with a drive mechanism for generating an oscillatory motion A small electric appliance with a drive mechanism for generating an oscillatory motion of at least one working unit of the small electric appliance. The drive mechanism has a first drive component, a second drive component and a coil for producing a magnetic field t... | 03/21/2006 |
| 6996909 | Battery powered circular saw A battery powered circular saw includes a rechargeable battery removably attached to the housing and an adjustable shoe pivotally attached to a guard assembly for controlling a depth of cut. A locking mechanism for preventing relative movement between the adjustable... | 02/14/2006 |
| 6979155 | Hand-held power tool having a detecting device A hand-held power tool having a housing and an open top tray attached thereto is disclosed. The open top tray is oriented generally perpendicular to a handle axis for carrying small magnetic objects therein. Additionally, the tray is provided with a magnetic portion... | 12/27/2005 |
| 6971951 | Power tool with portable power source A power tool in accordance with the invention includes a housing having an internal compartment with a motor therein, a handle connected to the housing for maneuvering the power tool, a working element connected to and driven by the motor to work on a workpiece, and... | 12/06/2005 |
| 6956348 | Debris sensor for cleaning apparatus A piezoelectric debris sensor and associated signal processor responsive to debris strikes enable an autonomous or non-autonomous cleaning device to detect the presence of debris and in response, to select a behavioral mode, operational condition or pattern of movem... | 10/18/2005 |
