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| Number | Title | Issue Date |
| 8089019 | Trigger switch In a trigger switch having a normal and reverse switching lever configured to switch the direction of rotation of a motor, a case is formed with a speed control unit storage chamber for storing a speed control unit, a revolving shaft storage chamber for storing a re... | 01/03/2012 |
| 8071903 | Trigger switch A trigger switch has an insulative enclosure, a movable contact element, and a sliding control device slidably mounted to the insulative enclosure. The insulative enclosure includes a case and a cover. The case has plural terminal subassemblies made of conductive me... | 12/06/2011 |
| 8049128 | Power hand tool switch torque controller apparatus This invention is for a trigger switch apparatus for a hand held electric drill and includes a control of the electric power to a drill for fast or slow rotation of the drill bit by moving a rheostat contact bridge over a rheostat coil section for control of the rot... | 11/01/2011 |
| 7982152 | Trigger switch Disclosed a trigger switch including fixed contacts forming main contacts double in series and functioning as a switch for supplying a motor with power and slide plate parts connected to the fixed contacts; and movable contacts provided in an actuator interlocking w... | 07/19/2011 |
| 7820931 | Trigger arrangement with feedback response A device includes a trigger arrangement activating a function of the device. The trigger arrangement includes a trigger mechanism movable between a first position and a second position. The device also includes a feedback mechanism exerting a force biasing the trigg... | 10/26/2010 |
| 7723632 | Electrical switch An electrical switch has two fixed contacts and a moving contact, a spring urging the moving contact towards contacting the fixed contacts, and an actuating mechanism for moving the moving contact away from the fixed contacts against urging by the spring and, altern... | 05/25/2010 |
| 7705260 | Switch assembly A switch assembly provides a pressing plate on a pivot contact lever to minimize heat generation at the point between the pivot contact lever and the contact point by providing an additional parallel connection contact plate which is in parallel connection to the pi... | 04/27/2010 |
| 7638725 | Switch for electric power tool A switch for use with an electric power tool equipped with a trigger switch. The trigger switch has first contacts for turning on and off a motor, second contacts for turning on and off a speed controller, and a trigger lever. The first contacts are formed by a firs... | 12/29/2009 |
| 7557321 | Trigger switch A trigger switch has a chassis, a slide member slidably retained in the chassis, a trigger connected to the slide member and projected from the chassis, the trigger configured to slide the slide member when the trigger is drawn towards the chassis, a pair of power-s... | 07/07/2009 |
| 7511240 | Trigger switch To provide a trigger switch having a simple structure that is capable of reducing bouncing when the contacts are switched ON/OFF, the trigger switch includes a switch mechanism integrated in a single assembly a power control unit that turns a plurality of switches p... | 03/31/2009 |
| 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 |
| 7313001 | Electrical switch having a mount for an electrical circuit The invention relates to an electrical circuit arrangement (3) having electrical and/or electronic components (4). The components (4) are arranged on a mount substrate (5). The conductor tracks (6) for electrical connection of the ... | 12/25/2007 |
| 7307230 | Mechanism for controlling circuit-closing/opening of power ratchet wrench A mechanism for controlling circuit-closing/opening of power ratchet wrench, including: an elongated tubular main body for a user's hand to hold; a driving motor disposed in the main body; a transmission member disposed in the main body and connected with the drivin... | 12/11/2007 |
| 7297891 | Trigger switch A trigger switch has a stationary contact and a moving contact provided inside a body and able to come close to and away from each other a contact drive member accommodated slidably inside the body to drive the moving contact, and an operating shaft having a first e... | 11/20/2007 |
| 7261166 | Switch for power tool A power tool includes a housing having a motor provided therein and a switch provided within the housing for activating the motor. The power tool also includes a member configured for movement between a first position in which the motor is operating and a second pos... | 08/28/2007 |
| 7232970 | Safety start switch for a pneumatic tool A safety start switch for a pneumatic tool including a main body, a compression strip, a push knob, a coupling element, a spring, and a pivot pin. After a corresponding arrangement of the above-mentioned components, the compression strip is not compressible in the o... | 06/19/2007 |
| 7210542 | Power tool safety device A safety device for a power tool having an electric motor and a trigger to activate the motor via a primary trigger-activated switch, includes an auxiliary switch in circuit with the motor, an activator movable between a first position in which the auxiliary switch ... | 05/01/2007 |
| 7186940 | Electrical switch An electrical switch includes two fixed contacts and a moving contact supported for movement between an ON position in contact with the fixed contacts and an OFF position out of contact with the fixed contacts, and an operating mechanism for moving the moving contac... | 03/06/2007 |
| 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 |
| 7112751 | Switch mechanism for reversible grinder A switch mechanism for use with reversible handheld power tools comprises a pair of switches that co-operate using abutment to restrict displacement of each switch according to the position of the other switch. In a tool having a dynamic brake and a series-wound mot... | 09/26/2006 |
| 7078640 | Opening switch for an opening and closing body An opening switch for an opening and closing body includes a switch base having a first substrate and a second substrate which are put together in a manner such that inner faces of the substrates face each other and outer faces of the substrates are outer faces of t... | 07/18/2006 |
| 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 |
| 7049530 | Key top and method for manufacture thereof The object of the present invention is to provide a method of manufacturing a metallic switch with high productivity. A transparent printed layer (4) is patterned and formed on a metalizing layer (3) formed on the front surface of a transfer substrate,... | 05/23/2006 |
| 7038154 | Device for remotely actuating a mechanism The present invention provides an actuating device suitable for remotely actuating a tool which can be the fluid delivery mechanism of a cleaning implement. The actuating device has a flexible tape attached at one end to a spring-loaded spool mechanism connected to ... | 05/02/2006 |
| 7034240 | Controlling apparatus for electric tool An electric tool includes a power supply, a controlling apparatus and a two-way motor. The motor includes first and second leads. The controlling apparatus includes a first conductive element connected with the anode of the power supply, a second conductive element ... | 04/25/2006 |
| 7019227 | Enabler of teaching pendant In a case where a left-hand push-button switch is ON, a second relay RL2 is electrically de-energized to open a normally close contact RL2-1 of the second relay RL2 so that a relay contact circuit RC is opened. If, in this state, a right-... | 03/28/2006 |
| 7015409 | Power tool trigger A trigger assembly and a power tool. The trigger assembly includes a housing and a trigger. The trigger is movably supported by the housing and includes a support portion and a contact portion. The housing includes an opening, and the support portion at least partia... | 03/21/2006 |
| 6989503 | Power tool trigger assembly A trigger assembly for an electric power tool includes a switch for electrical connection to the power tool for controlling operation of the power tool, and a trigger coupled with the switch for operating the switch. The trigger is pivotable about an upper end betwe... | 01/24/2006 |
| 6979799 | System and method for operating and locking a trigger of a welding gun A welding system having a welding gun. The welding gun is adapted with a trigger. The welding gun may have a lever to lock the trigger in a desired pivoted position. The lever may pivot the trigger as the lever is pivoted. The welding gun may have a trigger extensio... | 12/27/2005 |
| 6958455 | Lock-on/lock-off tool switch A trigger mechanism for a power tool includes a chassis; a trigger mounted to the chassis for movement between ON and OFF positions; an electrical switch mounted to the chassis for activation by movement of the trigger between the ON and OFF positions to close and o... | 10/25/2005 |
| 6943306 | Interlock mechanisms The present invention provides an interlock mechanism suitable for use with a blower-vacuum device, which comprises: a user-operable switch (30) having a first condition for activating a motor of said blower-vacuum device and a second condition for deactivati... | 09/13/2005 |
| 6940033 | WDS switch A switch mechanism that can be attached to a conventional cordless power tool. The switch is attached to the power pack on the cordless tool and when turned on starts the tool thereby eliminating the need to keep constant pressure on the conventional pressure switch... | 09/06/2005 |
| 6927353 | Device switch for electric hand-held tools A device switch (2) for a hand-held tool, particularly for a screw drill or drilling machine, having a control device (50) which is arranged in a switch housing (4), a trigger (6) which is movably supported at the switch housing (4... | 08/09/2005 |
| 6909061 | Trigger-brake structure for tool machine A trigger-brake structure for tool machine comprises a trigger device and a brake device arranged in a machine base, in which the trigger device is employed for starting a power switch while the brake device for constraining the power transmission. The trigger-brake... | 06/21/2005 |
| 6864448 | Power hand tool having a slide switch assembly with a dynamic seal A switch assembly for use with a power tool that includes an enclosure with an open top, a switch body with multiple switch contacts, with the switch body being located in the enclosure and having connectors for connecting to electrical conductors that selectively e... | 03/08/2005 |
| 6812425 | Locking trigger switch mechanism A trigger mechanism for a power tool, comprises a chassis, a trigger mounted movably to the chassis, and an electrical switch mounted to the chassis and activated by movement of the trigger between ON and OFF positions to close and open an electrical circuit. A lock... | 11/02/2004 |
| 6803683 | Electro-mechanical trigger switch An alignment device (10) for indicating alignment between two component parts, the first component part (12) having an arcuate track (14) with a track following member in the form of a ball bearing (28) to follow the track under the influ... | 10/12/2004 |
| 6794594 | Power tool trigger assembly A trigger assembly for an electric power tool, comprising a base and a trigger supported by the base. The base has a housing having first and second compartments separated by a partition with an aperture. A main switch is provided in the first compartment, having fi... | 09/21/2004 |
| 6794593 | Electric hand power tool with switching key An electric hand power tool has an on/off switch, an elongated switching key having a front end and a rear end and actuating the switch, a blocking lever carried by and projecting from the switching key to prevent or to allow turning on of the latter, the switching ... | 09/21/2004 |
| 6787721 | Safety switch of screwdriver A safety switch of a screwdriver has a driver body. The safety switch of a screw comprises a push unit; a trigger pivotally installed on the driver body; a receiving space being formed within the trigger for receiving the push unit; a safety rod; one end of the safe... | 09/07/2004 |
