| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 030277400 | Including a motor | 36 |
| 20080196256 | Split power tool - An extendable hedge trimmer includes a housing having a handle end and a tool end. The handle end includes a battery and an electrical connector. The tool end includes a hedge trimming implement, a motor, and an electrical connector. The electrical connector of the tool end is electrically connected with the motor. Wiring is included within the handle end for electrically connecting the battery and the electrical connector of the handle end. The trimmer also includes a pole which is releasably connectable between the tool end and the handle end. The pole is configured for electrically connecting the handle end with the tool end. The trimmer also includes a latch mechanism for releasably attaching the pole between tool end and handle end. The trimmer also includes an input for receiving AC line power via a power cord, the trimmer configured for being power by AC line power and/or battery power. | 08-21-2008 |
| 20080222898 | Device for Cutting Sheet Material - A device for cutting sheet material, especially sheet metal having a contoured structure such as ridges or corrugations, the device including (a) a support ( | 09-18-2008 |
| 20080282555 | HEDGE TRIMMER - A hedge trimmer includes a motor, a transmission mechanism, a main handle, a front handle, a switch and a cutter mechanism. The motor drives the cutter mechanism through the transmission mechanism. The main handle is provided at a rear of the hedge trimmer and the front handle is provided at a front of the hedge trimmer, and the front handle may be turned for a predetermined angle. The main handle and the front handle are provided with a main switch and an auxiliary switch at inner sides thereof respectively. The auxiliary switch is connected to a microswitch through a soft shaft or controls a switch, which is serially connected to the main switch, direction. | 11-20-2008 |
| 20090038164 | BATTERY POWERED KNIFE - A battery powered dual blade knife that includes a handle having an interior cavity for containing one or more batteries. The batteries can be removably positioned at the rear portion of the handle. The cavity of the handle includes an electric motor that is generally positioned in the front region of the handle. A pair of blades is connected to the front portion of the handle and is designed to be moved relative to one another by the electric motor. The handle can be designed to waterproof one or more internal components of the knife to protect the one or more internal components from water damage. The knife can include a blade stabilization arrangement for the knife blades and/or mounts for the knife blades to facilitate in the movement of the knife blades and/or mounts for the knife blades when the motor causes the knife blades and/or mounts for the knife blades to move relative to one another. The knife can include an enhanced motor configuration in improve the operation of the knife. | 02-12-2009 |
| 20090056148 | Hair trimmer - A hair trimming device is detachably mounted on a handle housing a battery for supplying electric current to a motor located in a drive unit of the trimming device. A trimmer unit includes a plurality of trimmer blade assemblies with different configurations and is rotatable on the drive unit for moving a selected one of the blade assemblies to the operative position in which it is coupled to be driven by the drive unit whilst the other blade assembly which is not in the operative position is uncoupled from the drive output of the drive unit. | 03-05-2009 |
| 20090119930 | Hand-Held Tool For Grout Removal - A hand-held tool. The tool comprises an interchangeable blade or blades located at an end of an L-shaped frame. The frame has a first portion and a second portion, the first portion attached at its end to the second portion in perpendicular fashion. The blade is located at an end of the second portion and has a working edge, which may be sharp, rough, serrated, or otherwise adapted for an application. A motor supported inside the frame provides reciprocal motion to the blade, the motion in a direction parallel to a length of the first portion of the L-shaped frame. | 05-14-2009 |
| 20100132201 | Device For Cutting Through The Adhesive Bead Of Panes Fixed By Bonding - The invention discloses a device for cutting through an adhesive bead of a vehicle pane, in particular a windshield, having a motor-driven winding-up device that comprises a coil for winding up a cutting wire in a working direction for cutting through the adhesive bead, the winding-up device being provided with a strain relief for the cutting wire which allows the cutting wire to be withdrawn from the winding-up device in a sense opposite to the working direction. | 06-03-2010 |
| 20100146798 | POWER CUTTER - A power cutter including a housing; a two stroke internal combustion engine mounted within the housing; a throttle switch by which the engine can be accelerated when the engine is running; a support arm mounted on the housing and which projects forward of the housing. A blade mounting mechanism is rotatably mounted on the end of the support arm and is capable of being rotationally driven by the engine when the engine is running. A carburetor provides aerated fuel for the engine and an air intake provides air for the carburetor. An air filtration mechanism filters the air drawn in from the air intake for the carburetor. A fuel tank provides fuel to the carburetor. An exhaust is provided through which the exhaust gases generated by the operation of the engine are expelled from the engine. The power cutter also includes an engine controller that controls the operation of the engine; an oil tank that provides lubricating oil for the engine; an oil pump that pumps lubricating oil from the oil tank to mix it with fuel; and a sensing system that determines whether sufficient lubricating oil is being provided for mixing with the fuel in accordance with predetermined parameters. The sensing system provides an indication to the engine controller of when the lubricating oil is not being provided in accordance with the predetermined parameters. When the sensing system indicates that the lubricating oil is not being provided in accordance with the predetermined parameters, the engine controller places the engine either in an idle mode or switches it off. | 06-17-2010 |
| 20100192387 | PORTABLE TRIMMER HAVING ROTATABLE POWER HEAD - A portable, hand-operated trimmer has a head module that is removably connected to a power control module. The head module has a power head enclosing an electric motor that is operatively connected to a trimming blade. The power head is selectably settable in a plurality of angular positions with respect to a head support, including a neutral position representing 0 degree rotation, 45 degree flexion and dorsiflexion positions, and 90 degree flexion and dorsiflexion positions. The power head also encloses a stator cartridge that is connected to the housing of the power head by a plurality of fastening members. The head support rotates about the stator cartridge and is engaged by way of a movable engagement pin that is received within a selected recess defined in the stator cartridge. The power head housing and stator cartridge further define molded sockets to receive corresponding pivot arms of the head support. An O-ring is disposed about one of the pivot arms to dampen free rotation. The power control module provides power to the power head through a removable rechargeable battery or through direct connection to conventional household power. | 08-05-2010 |
| 20100218386 | Battery Pack-Operated Hand-Held Power Tool - A hand-held power tool has a device housing having a battery pack compartment. An electric drive motor is arranged in the device housing. An output for driving a working tool is connected to the electric drive motor and arranged in the device housing. A battery pack is arranged in the battery pack compartment and is substantially received completely in the battery pack compartment. At least one grip for guiding the power tool is provided. The device housing has a housing volume and the battery pack compartment has a compartment volume located inside the device housing. A ratio of the housing volume to the compartment volume is approximately 1.5 to maximally io approximately 5. | 09-02-2010 |
| 20100242290 | Tile Rebate Cutting Apparatus - A tile rebate cutting apparatus has a guide member, which may be formed by a spirit level, forming a linear guide for a rebate cutting tool, the rebate cutting tool incorporating at least one cutting device, the rebate cutting tool being adapted to engage with said guide member to move along a predetermined line determined by the position of the guide member to enable a cut for a rebate to be made in a ceiling tile. | 09-30-2010 |
| 20100275448 | Pneumatic saw power transmission structure - A pneumatic saw power transmission structure includes a main body, a first transmission module and a second transmission module installed adjacent with each other in a containing groove of the main body. The second transmission module includes a position limit device fixed at the main body for limiting the second transmission module in the containing groove of the main body to constitute the transmission structure of the present invention. | 11-04-2010 |
| 20100293795 | BRUSH CUTTER - A brush cutter is provided with fixing pieces projecting outward and opposing each other substantially at a middle position of a slit stretching between both ends of a clamp member. Accordingly, an outer pipe is clamped in the middle of an attachment housing and apart from an axial center of the outer pipe, so that a size of the attachment housing in an axial direction can be reduced and stress concentration on the outer pipe can be avoided. | 11-25-2010 |
| 20110138634 | PRUNING MACHINE WITH AN EXTENDING ROD - The present application provides a pruning machine with an extendible rod. The pruning machine also includes a main body and a battery pack. The main body has a housing, a blade group, a motor, a transmission device and a switch on the outside of the housing. The battery pack has a plug to connect with a socket on the main body. One end of the extendible rod has the same plug as the battery pack to connect with the socket of the main body plug and the other end has the same socket of the main body to receive the plug of the battery pack. By using the same plug and socket structure throughout, the present application provides good adaptability and is suitable for a wide range of pruning operations. | 06-16-2011 |
| 20110203119 | Outdoor power tool - A tool has a housing. A blade bar projects forwards from the housing along a longitudinal axis. An electric drive motor drives the blade bar. At least one battery supplies the drive motor with electrical energy. The blade bar, the drive motor and the battery are mounted on the housing. The tool has a top handle arranged above a center of gravity of the tool, and a rear handle arranged behind the tool center of gravity. The battery is arranged on the housing at least mainly in front of the rear handle. | 08-25-2011 |
| 20120011730 | WORKING MACHINE ENGINE AND WORKING MACHINE USING THE SAME - A working machine engine is provided. The air flowing through the front side cooling air flow passage and the upper side cooling air flow passage which are provided in the front side and the upper side of the casing, respectively, and the air flowing through the auxiliary air flow passage provided in the back side of the casing join together near the opening. By this means, the air flowing through the auxiliary air flow passage can change the direction of the air flowing lengthwise through the front side cooling air flow passage and the upper side cooling air flow passage. | 01-19-2012 |
| 20120073145 | WEED TRIMMER WITH ELECTRICAL STARTING MECHANISM - The present invention relates to a weed trimmer for trimming a lawn comprising: a gas powered motor, where the motor is mounted one end of a shaft; a cutting assembly, where the cutting assembly is mounted on a second end of a shaft; an electric starter to start the motor; and a means to supply power to the electric starter. In one particular embodiment, the means to supply power may include an AC power cord. The weed trimmer may also include a start button to activate the starter. | 03-29-2012 |
| 20120124842 | COOLING SYSTEM IN AIR-COOLED COMBUSTION ENGINE - A top plate is provided in a top portion of a cylinder block of a combustion engine of a type, provided with a cooling fan, so as to lie perpendicular to a longitudinal axis of an engine cylinder. An intake side gasket interposed between the cylinder block and an intake unit is extended upwardly to contact the top plate to thereby seal a gap between the top plate and the intake side gasket. An exhaust side gasket interposed between the cylinder block and an exhaust unit is extended upwardly to contact the top plate to thereby seal a gap between the top plate and the exhaust side gasket. A cooling passage for passing therethrough a cooling air from the cooling fan is formed by the cylinder block, the top plate, the intake side gasket and the exhaust side gasket. | 05-24-2012 |
| 20120131803 | CUTTING MACHINE - A cutting machine providing excellent usability and facilitating installation of a battery pack is provided. The cutting machine includes a handle provided on a housing accommodating a motor, and a cutting blade operated by the motor driven by the battery pack which is a drive source. An insert receiving member is formed in the housing at the rear of the handle, and has an open top end allowing the battery pack to be inserted and installed therein from above. The insert receiving member is integrally joined to the handle. | 05-31-2012 |
| 20120246944 | COIL CUTTING TOOL AND METHOD - A tool and a method are disclosed for cutting coils in a dynamoelectric machine. In an embodiment, the tool includes a blade having a cutting edge on a distal end thereof. The blade is operably connected on a proximal end thereof to a double acting hydraulic cylinder. The tool further includes at least one guide arm coupled to and extending longitudinally in a distal direction from the double acting hydraulic cylinder, wherein the at least one guide arm is disposed alongside the blade and extends parallel to a path of the blade. | 10-04-2012 |
| 20120285022 | RECIPROCATION DRIVING DEVICE FOR A HAIR CLIPPER BLADE ASSEMBLY - A reciprocation driving device is adapted to be mounted in a housing of a hair clipper for reciprocating a moving blade of a blade assembly, and includes a stator unit and a rotor unit. The stator unit has a tubular shaft to permit a spindle of the rotor unit to be rotatably mounted therein by virtue of a pair of bearings, a bracing member disposed to be engaged with the housing, and a coil winding assembly disposed on the tubular shaft. The rotor unit has a carrier member extending radially and outwardly from a spindle end of the spindle to carry a permanently magnetic member so as to generate a torque as a result of electromagnetic forces acting between the rotor and stator units. | 11-15-2012 |
| 20120291294 | RECIPROCATING POWER TOOL - A reciprocating power tool and drive mechanism with a drive shaft mounted for reciprocating movement relative to a housing along a center longitudinal axis of the drive shaft. The drive shaft has a front end adapted to attach to an external shaft or tool attachment, a rear end, and a slot oriented perpendicular to the center longitudinal axis of the drive shaft between the front and rear ends. A motor driven shaft imparts rotary movement to a pinion gear, which meshes with a crown gear to impart rotary motion to the crown gear about its center axis. A drive pin connected to the crown gear has an eccentric pin eccentrically offset relative to the center axis of the crown gear for engagement in the slot of the drive shaft so as to impart the reciprocating movement to the drive shaft on rotation of the crown gear. | 11-22-2012 |
| 20120311873 | COMBUSTION ENGINE POWERED WORKING MACHINE - A portable, hand-held, combustion engine powered working machine, e.g. a power cutter, chain saw or trimmer, comprising: a tool unit including a working tool; a machine unit ( | 12-13-2012 |
| 20130042487 | BEARD TRIMMER HAVING AUTOMATIC POSITIONING OF THE CUTTING UNIT - The present invention relates to a motorized beard trimmer comprising a cutting unit with a cutting mechanism defining a cutting line and a comb defining a support point, said cutting unit being mounted so as to tilt on a handle, wherein the tilting axis of the cutting unit, the cutting line and the support point of the comb are globally aligned or superimposed, allowing said cutting unit to be automatically positioned tangentially to the shape of the face during trimming of the beard. | 02-21-2013 |
| 20130047443 | PORTABLE CUTTING TOOL - The present invention provides a portable cutting tool, which comprises: a blade for cutting workpieces, the blade having a blade plane; a housing; and a moveable guard installed on the housing, wherein the guard is provided with a blade through-hole through which the blade passes, the guard moves between a first position and a second position with respect to the housing, when the guard is located at the first position, the blade does not pass through the blade through-hole, and when the guard is located at the second position, the blade passes through the blade through-hole; either the guard or the housing is provided with an arc guide rail, and the other has position-limiting members which are matched with the arc guide rail to limit the displacement of the guard along the normal direction of the arc guide rail. | 02-28-2013 |
| 20130097876 | HANDLE SYSTEM FOR A HANDHELD POWER TOOL - The present invention relates to a method and devices for mounting and securing a handle ( | 04-25-2013 |
| 20130111765 | ELECTRIC HAIR CUTTER AND CONTROL METHOD FOR MOTOR ROTATIONAL SPEED THEREOF - In an electric hair cutter and a control method for its motor rotational speed, the electric hair cutter includes a main body, a BLDC (brushless DC) motor, a power source, a detecting unit, an electrical energy adjusting unit and a control module. The main body has a cutting unit. The BLDC motor drives the cutting unit. The detecting unit can detect the counter-electromotive force of the BLDC motor. The control module may receive the counter-electromotive force signals detected by the detecting unit and may control the electrical energy adjusting unit according to the counter-electromotive force signals so as to keep the BLDC motor rotating at a fixed RPM. | 05-09-2013 |
| 20130239418 | ACCESSORY FOR A RECIPROCATING SAW - A reciprocating power tool including a housing supporting a motor having a drive shaft, a blade clamp mechanism, and a drive mechanism. The drive clamp mechanism is coupled to the motor for converting rotational motion of the drive shaft into reciprocating motion of the blade clamp mechanism. The power tool includes an accessory having an attachment portion coupled to the blade clamp mechanism, and a body portion extending from the attachment portion. A grout rake is coupled to the body portion and includes a plurality of cutter portions. The grout rake is repositionable relative to the body portion between a first position and a second position. In the first position one of the plurality of cutter portions is located in a working position for contacting a workpiece, and in the second position another one of the plurality of cutter portions is located in the working position for contacting the workpiece. | 09-19-2013 |
| 20140007435 | PORTABLE, ELECTRIC WORK APPARATUS - The invention relates to a portable work apparatus having a housing and a work tool which is driven by an electric motor via a gear assembly. A flywheel which rotates about a rotational axis is arranged in the drive train between the electric motor and the gear assembly, which flywheel is connected fixedly to an output shaft so as to rotate with it, which output shaft protrudes into a gear assembly space and has a drive pinion. The output, shaft and the flywheel are mounted in the housing by two bearing locations, the rotational axis of the flywheel and a motor shaft of the electric motor lying coaxially with respect to one another, and the motor shaft of the electric motor being connected fixedly to the flywheel so as to rotate with it. The electric motor is fixed in the housing exclusively via a torque support. | 01-09-2014 |
| 20140165412 | WORK MACHINE HAVING OPERATION ROD - A work machine includes an operation rod, a front unit disposed at a front end of the operation rod and configured to attach a tool, a rear unit disposed at a rear end of the operation rod and configured to attach a battery, a brushless motor disposed in the front unit and configured to drive the tool, a motor controller disposed in the rear unit and electrically coupled with the battery, and a plurality of motor power lines disposed along the operation rod and configured to electrically couple the motor controller with the brushless motor. | 06-19-2014 |
| 20140208599 | WORK MACHINE HAVING OPERATION ROD - A work machine includes a motor and a sensor disposed in a front unit, a motor controller disposed in a rear unit, a motor power line and a sensor signal line disposed along an operation rod, and a pair of electric connectors. The motor power line includes first and second partial motor power lines disposed along the first and second partial rods respectively. The sensor signal line includes first and second partial sensor signal lines disposed along the first and second partial rods respectively. A first electric connector includes first electric terminals, each of which is coupled with corresponding one of the first partial motor power line or the first partial sensor signal line, and a second electric connector includes second electric terminals, each of which is coupled with corresponding one of the second partial motor power line or the second partial sensor signal line. | 07-31-2014 |
| 20140259691 | ROTARY MOTOR VIBRATION DAMPER AND NOISE DAMPER - A hair clipper has a base structural housing with a blade set operably secured thereto. The blade set has a stationary blade and a reciprocating blade. The base has at least one support for a rotary motor. A flexible motor vibration and noise damper fits over half of the motor, and a motor cover is secured to the base structural housing over the vibration damper. A secondary housing cover is secured to the base structural housing over the motor cover. | 09-18-2014 |
| 20140259692 | Battery Operated Handheld Power Tool - A battery operated handheld power tool, comprising a working tool assembly ( | 09-18-2014 |
| 20150040405 | ELECTRIC HAIR CLIPPER - An electric hair clipper includes a housing containing an electrical source and drive-related components. A clipper mechanism having a reciprocating clipper is located beneath the bottom of the housing but is spaced therefrom by a central hub that extends downwardly from the bottom of the housing. The housing, central hub and clipper mechanism are arranged such that a person can hold the electric hair clipper by placing his or her fingers in the space between the housing and the clipper mechanism with the central hub lying between two fingers and with the back of the person's fingers resting in a pair of elongated spaced apart recesses formed in the bottom of the housing on opposite sides of the hub. | 02-12-2015 |
| 20160176060 | ELECTRIC HAIR CLIPPER | 06-23-2016 |
| 20160250760 | HAIR CUTTING APPLIANCE, RECEPTACLE AND CONNECTOR PLUG | 09-01-2016 |
