Patent application number | Description | Published |
20080318500 | ELECTRIC SANDING MACHINE - An electric sanding machine has a housing with a drive device disposed therein, a base plate disposed under the housing, and a driven shaft for driving the base plate. A sanding device is attached to the base plate. The housing has a drive device housing part substantially perpendicular to the base plate and a grip housing part substantially parallel to the base plate. A cross section of the housing in a vertical direction is substantially L-shaped. The drive device is disposed in the drive device housing part while the driven shaft is located in the grip housing part so that the drive device is departed from the driven shaft in a radius direction of the driven shaft. With this arrangement, the sanding machine is provided with stronger power and has a smaller contour size which may be controlled more effectively. | 12-25-2008 |
20090045241 | NAILER DEVICE - A nailer device has a housing containing a motor and a striking device arranged in a compact manner. A transmission mechanism is mounted in the housing for translating the rotating motions of the motor into the periodic impact motions upon the striking device. The transmission mechanism includes an impact assembly which imparts the periodic impact motions upon the striking device. | 02-19-2009 |
20100089601 | Power tool having an illuminated torque calibration indicator - A power tool including a housing, a motor, a transmission, a handle, an adjustable torque clutch, wherein at least a portion of the torque clutch is illuminated. Illumination of the torque clutch permits the user to identify the work mode or torque value of the torque clutch clearly in all working conditions, including dimly lit conditions. | 04-15-2010 |
20100089965 | NAILER DEVICE - A nailer device has a housing containing a motor and a transmission mechanism. The housing has a nozzle portion with a striking rod for striking a nail arranged therein, the striking rod being moved in a reciprocating manner. A rotating shall is mounted in the housing and the rotating shaft is coupled to the output shaft of the motor through the transmission mechanism. An impact member surrounds the rotating shaft and is moved with the rotating shaft. Corresponding slots are formed on the rotating shaft and the impact member respectively and mate with each other with engagement members being contained in the corresponding slots. | 04-15-2010 |
20100089967 | NAILER DEVICE - A nailer device has a housing containing a motor, a gear box, a transmission mechanism, and a striking rod. The motor, the gear box, and the transmission mechanism cooperate to cause the striking rod to be moved back and forth. The striking rod has a peripheral outer surface and a longitudinal axis and the striking rod and the gear box are connected through a sliding connection structure which allows the striking rod to be moved along its longitudinal axis and which prevents the striking rod from rotating around its longitudinal axis. | 04-15-2010 |
20100089968 | NAILER DEVICE - A nailer device includes a housing having a nozzle portion formed in an upper end thereof. A motor and a rotary-linear motion transmission mechanism are arranged in the housing and the rotary-linear transmission mechanism functions to couple an output shaft of the motor to a striking rod disposed in the nozzle portion to thereby move the striking rod in a reciprocating manner. A bias device exerts a force on the striking rod towards the outside of the housing along a longitudinal direction of the striking rod. | 04-15-2010 |
20100089969 | NAILER DEVICE - A nailer device is carried within a housing having a nozzle portion wherein the nozzle portion is connected with the housing via a head portion of the housing. The nozzle portion includes a sleeve, a fixing member, and a magnetic member located between the sleeve and the fixing member. The fixing member is mounted on the sleeve and the fixing member has a groove in which the magnetic member is arranged. | 04-15-2010 |
20100120340 | Sander with a balance means - A sander according to the present invention comprising a housing, a motor and a transmission mounted within the housing, a sanding plate mounted below the housing, a battery pack mounted at the rear end of the housing and a balance means mounted on either the housing or the sanding plate. The balance means includes a balance element disposed in the front part of the sander. The balance element is balanced with the battery pack, which solves the balance problem of the DC sanders known in the prior art while still providing a battery pack that can satisfy the power requirements of the sander. | 05-13-2010 |
20100193562 | NAILER DEVICE - A nailer device has a housing containing a motor and a striking device arranged in a compact manner. A transmission mechanism is mounted in the housing for translating the rotating motions of the motor into the periodic impact motions upon the striking device. The transmission mechanism includes an impact assembly which imparts the periodic impact motions upon the striking device. | 08-05-2010 |
20110094764 | AUTO HAMMER - An auto hammer includes a housing, a head assembly arranged on one end of the housing, a battery pack mounted at the other end of the housing, and a motor contained in the housing. The housing further includes a grip portion, where the gravity center of the auto hammer lies. The auto hammer is thereby more ergonomic so that the users feel more comfortable when holding the auto hammer and spend less effort during its operation. | 04-28-2011 |
20110100661 | AUTO HAMMER - An auto hammer includes a housing having a grip, a head assembly arranged on one end of the housing, a motor mounted within the housing, a switch arranged on the housing for controlling the motor. There are at least two hand-holding positions on the housing where the switch can be triggered. The auto hammer may therefore be held by hands at a plurality of positions and will thereby be suitable for use in various circumstances. | 05-05-2011 |
20110100662 | AUTO HAMMER - An auto hammer includes a housing having a grip, a head assembly arranged on one end of the housing, a motor mounted within the housing, a switch arranged on the housing for controlling the motor. The hardness of the material utilized for the head assembly of the auto hammer is lower than that of the housing. During operation, the material utilized for the head assembly makes the device feel more comfortable when held by hands. The hardness of the material utilized for the grip of the auto hammer is lower than that of the housing. During operation, the material utilized for the grip makes the device feel more comfortable when held by hands. The material utilized for two opposite sides of an upper portion of the housing is different from that of the remaining portion of the housing. When the auto hammer is positioned transversely on a working board, the hardness of the material utilized for the upper portion of the housing is lower than that of the material of the remaining portion of the housing, so as to protect the auto hammer and the working board. | 05-05-2011 |
20110108299 | AUTO HAMMER - The invention provides an auto hammer being used between two surfaces perpendicular to each other and closer to the intersecting line of the two surfaces. To this end, the auto hammer comprises a housing having an upper portion, a motor contained in the housing, and a switch arranged on the housing for controlling the motor. When the auto hammer is used between two surfaces perpendicular to each other with opposite sides of the upper portion of the housing abutting against the two surfaces respectively, the distance from the central axis of the striking rod to the intersecting line of the two surfaces is between 10 mm and 40 mm, preferably 28 mm. This distance is arranged very small for allowing the auto hammer to be used closer to the intersecting line of the two surfaces. | 05-12-2011 |
20110155778 | ELECTRIC HAMMER - An electric hammer includes a striking device having a clamping mechanism. The clamping mechanism includes a clamping element, a sliding element, a first biasing device and a second biasing device. The sliding element is provided with a guide portion in which the clamping element is slidable between a first position where the clamping element is closed and a second position where the clamping element is opened. The biasing force generated by the first biasing device is smaller than that of the second biasing device when the clamping element is in the opened position. | 06-30-2011 |
20110233257 | NAILER DEVICE - A nailer device has a housing containing a motor and a transmission mechanism. The housing has a nozzle portion with a striking rod for striking a nail arranged therein, the striking rod being moved in a reciprocating manner. A rotating shaft is mounted in the housing and the rotating shaft is coupled to the output shaft of the motor through the transmission mechanism. An impact member surrounds the rotating shaft and is moved with the rotating shaft. Corresponding slots are formed on the rotating shaft and the impact member respectively and mate with each other with an engagement member being contained in the corresponding slots. | 09-29-2011 |
20120037387 | ELECTRIC TOOL - An electric tool includes a gripping portion, a working portion rotatably connected to the gripping portion about an axis, an output shaft moving in a reciprocating manner and accommodated in the working portion, and a gear box accommodated in the gripping portion for driving the output shaft. The gear box has an opening so that the output shaft is moveable from one end to the other end of the opening when the working portion is rotated relative to the gripping portion about the axis. A leakage-preventing device, such as a bushing, is arranged at the opening so that the lubricating grease can be avoided from leaking. | 02-16-2012 |
20120247797 | AUTO HAMMER - An auto hammer includes a motor arranged in a housing, a striking device arranged in a nozzle portion of the housing and a transmission mechanism for converting the rotating motion of the motor into the striking motion for the striking device. The transmission mechanism includes a striking assembly for exerting a striking motion to the striking device, the striking assembly includes a rotational driving member and a rotational striking member enclosing the rotational driving member, and the rotational striking member is provided with at least one striking portion for striking and contacting the striking device. The auto hammer has a gripping portion suitable for palm gripping which is arranged on a back side of the housing opposite to the striking device where the motor is arranged on the same side as the striking assembly relative to the axis of the reciprocating linear motion of a striking shaft of the striking device. | 10-04-2012 |
20120261152 | AUTO HAMMER - An auto hammer includes a housing supporting a striking device, a motor arranged in the housing, a transmission mechanism driven by the motor and an impact assembly. The impact assembly includes an impact wheel and an intermediate shaft for supporting the impact wheel where an impact portion of the impact wheel is provided for impacting on a striking shaft of the striking device. The intermediate shaft is supported on a first supporting member and a second supporting member which are located at the opposite sides of the impact assembly. The axis of the intermediate shaft is substantially perpendicular to the output axis of the motor, and the proportion of the axial length of the intermediate shaft to the diameter of the motor is in a range of approximately 1 to 1.4. | 10-18-2012 |