| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 030228000 | With motor | 41 |
| 20080263872 | Scissors and Drives for Scissors - To allow for starting and/or stopping an automatic scissor drive ( | 10-30-2008 |
| 20090241351 | ELECTRIC SHEARS - An electric shears includes a trigger operable to be pulled, a motor which rotates in accordance with a pulling operation of the trigger, a screw shaft which rotates interlockingly with the motor, a nut which is screwed onto the screw shaft and is slidable with respect to the screw shaft in accordance with a rotation of the screw shaft, a fixed blade, a movable blade which is coupled to the nut and is movable with respect to the fixed blade, a detector which detects a pulled position of the trigger, and a controller which controls a rotation of the motor based on the pulled position of the trigger detected by the detector. | 10-01-2009 |
| 20090271991 | Powered Hand-Held Metal Cutter - A power driven portable sheet metal cutter includes a head with two blades that mounts to a hand-held electric or pneumatic rotating power unit. The fixed blade has a primary shearing surface that has a convex or radiused cutting edge, a convex or radiused bevel, and a convex or radiused body feature. | 11-05-2009 |
| 20100064527 | ELECTROMOTION TRIM SCISSORS - The present invention provides electric pruning shears which can improve operation convenience by increasing the operating speed and eliminating hand fatigue during pruning of fruit trees. | 03-18-2010 |
| 20100077621 | VEGETATION CUTTING TOOL - The present invention relates to a vegetation cutting tool. In particular, the present invention relates to a powered vegetation cutting tool and more particularly to a linkage mechanism for a powered vegetation cutting tool. We describe a vegetation cutting tool comprising a cutting head, a motor and transmission means drivable by the motor. The cutting head includes first and second cutter members having respective cutting surfaces, wherein the first cutter member is pivotably mounted with respect to the second cutter member. Additionally, at least the first cutter member is drivable by the transmission means between a first angular position with respect to the second cutter member, in which a space is formed between the respective cutting surfaces, and a second angular position with respect to the second cutter member, in which the space between the respective cutting surfaces is closed. The transmission means also comprises an engagement means associated with the first cutter member, and a crank drivable between defined first and second angular crank positions corresponding to the first and second angular positions, in which the crank is operatively coupled to the engagement means by a link. | 04-01-2010 |
| 20100095533 | POWER TOOL - A power tool includes an inner housing ( | 04-22-2010 |
| 20100146797 | HAND-HELD POWER TOOL, IN PARTICULAR ELECTRICAL SHEARS - The invention relates to a hand machine-tool, especially electrical shears, comprising a housing ( | 06-17-2010 |
| 20100192383 | ELECTRIC SCISSORS - Electric scissors ( | 08-05-2010 |
| 20100269355 | Control method for motor-driven shears - The present invention relates to a control method for motor-driven shears. The control method for the motor-driven shears of the present invention requires that both the power supply module and the control system used to drive the motor be active simultaneously for the shears to operate. The power supply module requires a switch be pressed to activate the power supply module and to provide the resultant power to the MCU. Further, upon releasing the switch, the MCU is be able to maintain the power supply module in a discharging state long enough to allow the control system controlling the motor to rotate the movable blade to an open position. Finally, when the movable blade is opened to a maximum position, the MCU may direct the motor to stop rotation and shut off the power supply module. | 10-28-2010 |
| 20110056082 | ELECTRIC SHEARS - Electric shears include a housing, a motor mounted within the housing, at least one blade driven by the motor, and a trigger mounted on the housing for controlling the motor. The electric shears further include a controller for controlling the motor and a mode-selecting switch mounted on the housing and connected to the controller. The controller responds to the mode-selecting switch and controls the electric shears to switch between at least two kinds of operation modes. Since the electric shears has at least two kinds of operation modes, more functions and a broader range of applications can be achieved. | 03-10-2011 |
| 20110061242 | ELECTRIC SHEARS - Electric shears include a housing, a motor within the housing, a transmission means including a reduction gearbox and a bevel gear pair, a fixed blade, a movable blade rotatably connected to the fixed blade and coupled with the motor via the transmission means, and a stroke-control means controlling the movable blade to swing back and forth about its connection with the fixed blade. The fixed blade is supported on the reduction gearbox and fixed to the housing together with the reduction gearbox. Electric shears are thus provided with a small shape, a simple and compact interior structure, and better portability. | 03-17-2011 |
| 20110119930 | Electric Hair Cutting Machine - An electric hair cutting machine is disclosed. | 05-26-2011 |
| 20110185579 | PORTABLE ELECTRIC TOOL EQUIPPED WITH A DEVICE THAT CAN BE USED TO DETERMINE THE RELATIVE POSITION OF TWO ELEMENTS OF SAID TOOL AT LEAST ONE OF WHICH IS MOVABLE - Portable electric tool including a body configured to act as a handgrip and at one of the ends of which there is mounted a moving active member, the movements of which are brought about by an actuator, characterized in that the moving part is equipped with an oriented magnetization magnet that can be moved past a magneto-resistive sensor fixed to a fixed element of the body. The trigger is equipped with an oriented magnetization magnet that can be moved past a magneto-resistive sensor fixed to a fixed element of the body. The portable electric tool further includes an electronic board for analysing the information emitted by each magneto-resistive sensor according to the inclination of the magnetic field lines presented to it, in order to control the operation of the actuator so as to position the moving part accurately according to the position of the control device. | 08-04-2011 |
| 20110214292 | ELECTRIC SCISSORS HAVING A REPLACEABLE BLADE - An electric scissors has a body and a changeable shear. The body has a stationary shear and an oscillating blade holder. The stationary shear has an arm and a first blade. The arm is formed on and protrudes outwardly from a front end of the body. The first blade is securely mounted on the arm. The oscillating blade holder is pivotally mounted to the front end of the body to oscillate relative to the stationary shear, and has a rail formed on the oscillating blade holder. The changeable shear has a blade seat and a second blade. The blade seat has a channel detachably and slidably engaging the rail of the oscillating blade holder. The second blade is securely mounted on the blade seat to obliquely abut the first blade. With the replaceable blade, the electric scissors can be continuously used without discarding the whole electric scissors when the blade is dull or damaged. | 09-08-2011 |
| 20110258859 | CUTTING DEVICE AND METHOD - A cutting device and method uses a power tool releasably engageable with a shank or drive shaft of a mechanical assembly powering a movable cutting blade. The cutting device can include a drive shaft drivably coupled to the cutting blade, a neck supporting the drive shaft, and a shank having a first portion fixed relative to the neck and a second portion drivably coupled to and rotatable with the drive shaft, wherein the drive shaft and/or the second portion of the shank is shaped and dimensioned for releasable engagement with the power tool. In some cases, one or more gears are drivably coupled between the drive shaft and the cutting blade, and are operable to transfer rotation from the drive shaft to the cutting blade. | 10-27-2011 |
| 20110314680 | Shearing Tool - A shearing tool configured to be detachably connected to a portable oscillatory power tool is disclosed. The power tool includes a head housing and an output shaft with an axis. The output shaft extends outwardly from the head housing and is able to pivot back and forth about the axis. The shearing tool includes a fixed blade mounted relative to the head housing and a movable blade connected to the output shaft. The movable blade can pivot back and forth about the axis relative to the fixed blade. The fixed blade and the movable blade are connected to the portable power tool by a same fastening element. The shearing tool has simple operational steps and simple structure, thus to facilitate assembling. | 12-29-2011 |
| 20120011729 | ELECTRIC PRUNING SHEARS EQUIPPED WITH TRIGGER - Electric pruning shears equipped with a trigger provided where the trigger could operate a motor assembly by detecting magnetic polarity with a polarity detecting sensor, transmitting an operating signal in accordance with the polarity to the control assembly, determining whether the corresponding signal is in the reverse or forward direction, and transmitting the determined reverse driving signal or forward driving signal to the motor assembly to operate a motor, and also the trigger allows a movable blade to stop at a desired position on a branch while pruning fruit trees by stopping the operation of the motor if the polarity detecting sensor realizes the magnetic center. | 01-19-2012 |
| 20120017446 | CUTTING DEVICE, IN PARTICULAR RESCUE CUTTERS - The invention relates to a cutting device ( | 01-26-2012 |
| 20120017447 | HAND-HELD POWER TOOL FOR PRUNING AND CUTTING VEGETATION AND A METHOD FOR REPLACING BLADES THEREOF - A hand-held power tool for pruning and cutting vegetation and a method for replacing blades thereof. The hand-held power tool has a main body and a work head detachably mounted on the main body. The main body has a housing, a motor placed in the housing, and a first gear transmissively connected with the motor. The work head has a blade assembly and a second gear. The second gear engages with the first gear and is provided with a eccentric member connected with the blade assembly. By arranging one portion of the transmission mechanism on the work head, especially the second gear used for providing the eccentrically rotary output on the work head, the transmission mechanism is directly connected with the blade assembly. When the work head needs to be mounted on the main body, it only needs the second gear to be placed on the mandrel arranged on the main body where it will engage with the first gear. This avoids the need to align and mate the eccentric member arranged on the second gear with the upper and lower blades one by one thereby providing an assembly process that is simple and time-saving while providing a connection that is reliable. | 01-26-2012 |
| 20120017448 | HAND-HELD ELECTRICAL SHEARS - Hand-held electrical shears has a housing with a tool head and a grip part, an electric motor, a drive shaft driven by the electric motor via a transmission, a rotatable tool mounted on the drive shaft, and a rechargeable energy accumulator in the grip part. The transmission and a portion of the electric motor are in the tool head, an actuating element of an on/off switch is on an underside of the grip part, a grip cover is attached to a top side of the grip part. A shaft end section extending laterally out of the housing carries a bearing flange with a driving element for the tool, and a blade retaining plate with a counter-blade and a supporting base are detachably attached in a flattened region of the housing. | 01-26-2012 |
| 20120090182 | ANIMAL SHEARING MACHINE - The invention relates to an animal shearing machine with a housing, a shearing head connected to the housing and a drive unit arranged in the housing. The drive unit comprises an electric motor and a reduction gear connected to the shaft of the electric motor. The shearing head of the animal shearing machine has a stationary shearing blade and a movable shearing blade. A planetary gear is used as reduction gear. The driven shaft of the planetary gear is arranged parallel, in particular coaxially to the shaft of the electric motor. If oscillatingly driven shearing heads are used, the drive unit comprises an eccentric connected to the driven shaft of the reduction gear and an oscillating lever. The oscillating lever is in engagement with the movable shearing blade via the first front end and with the eccentric via a sliding element in the area of the second rear end. | 04-19-2012 |
| 20120151779 | HAND-HELD HEDGE SHEARS - The invention relates to hand-held hedge shears with an in particular electric driving motor. The hedge shears comprises a gripping housing with a rear handle, wherein a gripping part of the rear handle is rotatable about the longitudinal axis thereof and is lockable in the rotational position thereof by means of a locking element. An operating switch lever for the driving motor is arranged on the rotatable gripping part, wherein the operating switch lever acts by means of a sliding element and a transmission element on a switch unit for the rotational speed position of the driving motor. The sliding element is guided on the locking element in a manner sliding in the direction of the longitudinal axis. | 06-21-2012 |
| 20130000130 | ELECTRIC SCISSORS - In electric scissors, a rotating motion of a motor ( | 01-03-2013 |
| 20130055574 | POWER TOOL WITH REPLACEABLE BLADE - A power tool includes a replaceable blade, a fixing device for clamping and securing the blade, a control circuit for controlling a driving device, and a main switch electrically connected to the control circuit. A safety device prevents the blade from moving when the fixing device is opened. | 03-07-2013 |
| 20130055575 | DEVICE FOR CONTROLLING THE RELATIVE POSITIONING OF TWO ELEMENTS, SUCH AS THE BLADES OF SECATEUR-TYPE CUTTING TOOLS, AND A CUTTING TOOL COMPRISING SAME - A device for controlling the positioning of two elements, one of which is stationary while the other is mobile and driven by a geared motor member, the position of the mobile element being controlled by that of a trigger, includes: a circuit; a first stationary Hall effect sensor connected and, together with a magnet borne by the mobile element, providing a negative or zero clearance positioning of the two elements; and a second Hall effect sensor connected to the control circuit and, together with a magnet borne by the mobile element, providing the maximum clearance positioning of the two elements. The magnet is positioned such that its north-south axis is perpendicular to the trajectory of same and the first sensor is disposed in an area where the field vector of the magnet has a component perpendicular to the north-south axis, the sensitive face of the first sensor being parallel thereto. | 03-07-2013 |
| 20130219725 | POWERED CUTTING TOOL - A cutting tool includes a housing and a pair of cutting blades at least partially extending from the housing. At least a first of the cutting blades is movable. The cutting tool also includes a drive mechanism including a cam and a ratchet mechanism. At least a portion of the ratchet mechanism is drivably coupled to the first cutting blade. The cutting tool further includes a motor for providing torque to the cam to actuate the ratchet mechanism. | 08-29-2013 |
| 20130247384 | ELECTRIC SCISSORS - Electric scissors ( | 09-26-2013 |
| 20130276313 | POWERED CUTTING TOOL - A cutting tool has a cutting head, a motor and a transmission means drivable by the motor. The cutting head comprises first and second cutting members, wherein the first cutting member is pivotably moveable with respect to the second cutting member. At least the first cutting member is drivable by the transmission means between a first angular position with respect to the second cutting member and a second angular position with respect to the second cutting member, in which a space between the respective cutting blades is closed. The transmission means is a bevel gear on the output shaft of a gearbox which conveys drive power from the motor to the drive gear. The bevel gear directly engages a bevel wheel member connected to the first cutting member and which swivels with the first cutting member about the same swivel point. A controller comprises main, first and second switches which control the motor to move the first cutting member (movable blade). The main switch acts as a main power switch whereas the first ad second switches act as limit switches detecting movement of said movable blade at the limits of its intended motion. The controller exerts automatic control over movement of the first cutting member in response to inputs from the first and second limit switches. | 10-24-2013 |
| 20140165410 | Sheet Cutting Shears - Illustrative embodiments of sheet cutting shears are disclosed. A sheet cutting shears may include a tool body and a cutting head. The tool body may include a drive housing and a handle coupled to the drive housing. The handle may be inclined toward the cutting head so that at least a portion of the drive housing located between the handle and the cutting head is within a footprint of the handle when viewed from above. A handle axis and a housing axis may form an acute angle located at least in part between a front side of the handle and a top side of the drive housing. The sheet cutting sheers may further include a trigger configured to move between an off position and an on position, the trigger being spaced apart from the drive housing. | 06-19-2014 |
| 20140165411 | Electric Shears - Electrical shears have a housing with an electric drive motor arranged in the housing. A motor shaft is connected to the drive motor. Blades are provided and at least one of the blades is connected to the motor shaft. The motor shaft acts on the at least one blade for opening or closing the blades. A manual actuating member with a guide member is guided in a translatory motion, wherein the guide member has a length extending in a direction of a straight actuating travel path of the manual actuating member. A control unit is provided that controls the drive motor as a function of an electric control signal, wherein the electric control signal represents a mechanical position of the manual actuating member. | 06-19-2014 |
| 20140250696 | HAIR TRIMMER WITH CURVED BLADE - According to inventive techniques, a trimmer includes a fixed blade and a moveable blade. The fixed blade may include a focal aperture comprising a focal point, a radial extension region extending in a radial direction away from the focal point of the focal aperture and including a primary plane, and an arcuate region extending in a dimension away from the primary plane of the radial extension region. The moveable blade may include a focal aperture comprising a focal point, a radial extension region extending in a radial direction away from the focal point of the focal aperture and including a primary plane, and an arcuate region extending in a dimension away from the primary plane of the radial extension region. | 09-11-2014 |
| 20140283392 | Motorized Shears with Adjustable Blade Separation - A motorized shears with adjustable blade separation unit includes a housing and a motor coupled to a moving blade gear which drives a moving blade. A battery case body contains a battery pack and a means by which to charge the battery pack through an electrical outlet. The unit can be placed in automatic mode or semi-automatic mode by actuating a mode switch. When the unit is in semi-automatic mode the user can tap a touch sensor to activate blade movement. When the unit is in automatic mode environmental factors will determine the speed at which the moving blade moves. In some embodiments the touch sensor may be a touch screen which relays information from the unit and allows the user to change a variety of settings. | 09-25-2014 |
| 20150113810 | HANDHELD POWER TOOL - The invention relates to a handheld power tool having a linear actuator ( | 04-30-2015 |
| 20150113811 | HANDHELD POWER TOOL - A power hand tool comprising: a trigger ( | 04-30-2015 |
| 20150121706 | HANDHELD POWER TOOL - The invention relates to a handheld power tool ( | 05-07-2015 |
| 20150289451 | Power Tool - A power tool includes: a power source ( | 10-15-2015 |
| 20150313089 | CUTTING SYSTEM - A cutting system, in particular suitable for the pruning of a tree and/or a shrub, comprising: a shear device having a first and a second handle element of elongated shape, each integral, at a distal end, to a respective first or second blade, and a rotable connection between the handle elements to allow a drive of the blades according to a mutual approaching/cutting and mutual spacing motion; a rod element detachably connected or connectable at its first end to the said first and second handle element at respective proximal ends of them, in which the configuration is such that the rod element is locked or lockable to one of the handle elements and slidably connected to the other one, so that a pulling action exerted on the rod element determines an approach and cutting motion of the blades. | 11-05-2015 |
| 20160023289 | POWER TOOL ACCESSORY WITH BRACE - A power tool accessory (e.g., a shear accessory) includes an accessory housing, an input shaft, a working tool, and a brace. The input shaft is driven by a power tool and drives the working tool. The brace rigidly connects the accessory housing to a power tool housing. The brace includes a collar coupled to the accessory housing, a clamp assembly that may be rigidly connected to the power tool housing, and an arm assembly connecting the collar to the clamp assembly. The collar allows selective rotation of the accessory housing relative to the collar while the brace rigidly couples the accessory housing to the power tool housing. The arm assembly may have a single arm. The clamp assembly may be coupled to a base of a handle of the power tool with arm assembly at an angle to a working axis of the power tool. | 01-28-2016 |
| 20160039017 | Tool With Linear Drive Mechanism - A hand tool with a mechanical linear drive mechanism coupled to a linear activated working implement. The drive mechanism includes a geared planetary roller screw that includes a torque tube connected to a roller screw's nut body. The planetary roller screw includes a fixed outer race, a rotating set of grooved rollers axially aligned inside the outer race, a cylindrical nut body located inside the set of grooved roller, a plurality of inner rollers axially aligned and inside the nut body, a threaded shaft axially aligned and inside the inner rollers, and a torque tube axially aligned inside the inner rollers. The torque tube is connected at one end to a gear box which is coupled to an electric motor. When the electric motor is activated, the torque tube is rotated which causes a threaded shaft in the tool to move axially. A working implement is coupled to the distal end of the threaded shaft. | 02-11-2016 |
| 20160039019 | POWER TOOL - A power tool includes a housing, a motor positioned within the housing, a drive mechanism coupled to the motor and positioned within the housing, and a shear head rotatably mounted to the housing and coupled to the drive mechanism. The power tool also includes a manually-operable actuator supported by the housing. The actuator is movable between a first position, in which the shear head is held stationary relative to the housing, and a second position, in which the shear head is rotatable relative to the housing. | 02-11-2016 |
| 20160150738 | CUTTING ASSEMBLY | 06-02-2016 |
