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| Number | Title | Issue Date |
| 7900715 | Variable speed tool and variable speed control method The present invention has disclosed a variable speed tool and a variable speed control method. The tool includes a switch; a gearbox housing; a motor; an outputting shaft; a multistage transmitting gear train and a gearshift ring which are mated with the motor and t... | 03/08/2011 |
| 7878341 | Apparatus for storing accessory cases The present invention provides an apparatus that comprises multiple cases capable of storing power tool accessories and a carousel. The carousel may comprise support plates with grooves on it and retaining covers. The accessory cases are pivotal with respect to the ... | 02/01/2011 |
| 7748078 | Blower-vacuum device The present invention relates to a portable blower-vacuum device which comprises a motor (3) operated by a switch (7) and located in a main body (2) and a fan (4) drivable by the motor. A vacuum nozzle (11) and a blower nozzle (... | 07/06/2010 |
| 7721861 | Clutch mechanism for use in power tools The present invention discloses a clutch mechanism to adjust eccentricity in a power tool. The clutch mechanism comprises an outer race mounted radially on an annular main body which is mounted on an eccentric shaft. At least one first connecting member is disposed ... | 05/25/2010 |
| 7624866 | Storage box A storage box for storing power tool bits comprises a container, a bit holder and a control device. The container defines a compartment in which is received the bit holder along a common rotary axis. The bit holder comprises a plurality of outwardly radial pockets f... | 12/01/2009 |
| 7611556 | Cyclonic tool A tool for shaping a material which, in use, generates dust. The tool (e.g., sander) has an outlet for discharging air and dust, a dust recovery chamber which is sealed during operation and at least one cyclone. The cyclone has an inlet port which is coupled to the ... | 11/03/2009 |
| 7540335 | Adjustable handle for a power tool A power tool comprising a housing, an output shaft driven by an electric motor for driving a working piece and an adjustable handle. An elongate supporting wall of the housing extends slantwise downwardly from a rear end of the housing and houses the motor. The adju... | 06/02/2009 |
| 7530881 | Eccentric stroke adjusting mechanism The present invention relates to an eccentric stroke adjusting mechanism for use in a power tool with a principle drive shaft comprising a first and a second eccentric member mounted on the principle drive shaft respectively and a coupling member for connecting the ... | 05/12/2009 |
