Patent application number | Description | Published |
20130037288 | Control Scheme For Detecting And Preventing Torque Conditions In A Power Tool - A control scheme is provided for a power tool having a rotary shaft. The control scheme includes: monitoring rotational motion of the tool generally about a longitudinal axis of the shaft; detecting a condition of the tool based on the rotational motion of the tool; and controlling torque imparted to the shaft upon detecting the tool condition, where the torque is inversely related to an angular displacement of the tool about the longitudinal axis of the shaft. | 02-14-2013 |
20130055554 | METHOD OF FORMING A POWER TOOL - A method for forming an armature for an electric motor includes: securing a lamination stack having slots therein on an armature shaft, securing a commutator on one end of the armature shaft, winding magnet wires in the slots in the lamination stack and securing ends of the magnet wires to the commutator, the magnet wires having armature lead wires that extend from the slots to the commutator; and molding plastic over the magnet wires to encase at least the armature lead wires in plastic. Alternatively and/or additionally, plastic is molded over the magnet wires to retain them in the slots and to support the armature lead wires and prevent them from vibrating when the armature rotates during operation. | 03-07-2013 |
20130057090 | METHOD OF FORMING A POWER TOOL - An electric motor for a power tool includes a stator and an armature disposed in the stator. The armature includes a lamination stack having slots therein; an armature shaft extending coaxially through the lamination stack; a plurality of magnet wires wound in the slots of the lamination stack; a commutator disposed on the armature shaft to which ends of the magnet wires are electrically coupled; and thermally conductive plastic at least partially encasing the magnet wires, the thermally conductive plastic having a base polymer that is a blend of at least two polymers. | 03-07-2013 |
20130061721 | RATCHETING WRENCH - A wrench having a handle and ratchet assembly and a socket wheel. The handle and ratchet assembly has a handle and a first drive member that is rotatable relative to the handle. The socket wheel has a plurality of tool members, a plurality of first lugs and a plurality of second lugs. Each tool member is fixedly coupled to a pair of the first lugs and a pair of the second lugs. An adjacent pair of the tool members share a single one of the second lugs and no adjacent pair of the tool members shares any of the first lugs. | 03-14-2013 |
20130074352 | Laser Line Generator Having Three Intersecting Light Planes - An improved laser line generating device is provided for use in construction layout tasks. The laser line generating device is comprised of a first laser light generator operable to emit from a housing a first plane of light having a fan angle greater than 180° and arranged in the housing to project the first plane of light perpendicular to a horizontal plane; and a second laser light generator operable to emit from the housing a second plane of light having a fan angle greater than 180° and arranged in the housing to project the second plane of light perpendicular to the first plane of light and perpendicular to the horizontal plane, such that the first plane of light intersects with the second plane of light at two points. | 03-28-2013 |
20130091654 | CYCLONIC SEPARATION APPARATUS FOR A VACUUM CLEANER - A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a first cyclonic separating unit comprising a hollow cylindrical dirt container with a central axis and an air inlet port arranged tangentially to the dirt container; and a second cyclonic separating unit comprising a plurality of cyclones arranged in a circular array about the central axis, wherein each cyclone has an air inlet port and an air outlet port, wherein the second cyclonic separating unit receives air flow downstream from the first cyclonic separating unit and wherein the second cyclonic separating unit has a higher separation efficiency than the first cyclonic separating unit, wherein the second separating unit is located within the dirt container. A vacuum cleaner comprising: a main body, a motor coupled to a fan and the cyclonic separation apparatus. | 04-18-2013 |
20130091655 | HAND-HOLDABLE VACUUM CLEANER - A hand-holdable vacuum cleaner comprising: a motor coupled to a fan for generating air flow; a battery pack housing at least one rechargeable cell for powering the motor; a body with a handle; a dirty air duct with a dirty air inlet; and a dirt separating means located in a path of the air flow generated by the fan, wherein the dirt separating means comprises: a hollow substantially cylindrical dirt container with a longitudinal central axis arranged transverse the body; and an air inlet port to the dirt container, wherein the air inlet port is in communication with the dirty air duct, wherein the dirt container is rotatingly connected to the body to pivot, with the battery pack, about the central axis between a folded position and an extended position diametrically opposed to the folded position. | 04-18-2013 |
20130091656 | VACUUM CLEANER - A vacuum cleaner comprising: a motor coupled to a fan for generating air flow; a dirt separation means located in a path of the air flow generated by the fan; a cleaner head located in the path of the air flow upstream of the dirt separation means; at least one support wheel for supporting the vacuum cleaner upon a floor; and an elongate body with a handle at a longitudinal end, wherein the motor, the fan, the cleaner head, the dirt separation means and the at least one support wheel are arranged about an opposite longitudinal end of the elongate body to the handle, wherein the elongate body is telescopically extendible to alter the length of the vacuum cleaner between a compact position and an extended position and wherein the extended position is at least double the length of the compact position. | 04-18-2013 |
20130091657 | BATTERY-POWERED VACUUM CLEANER - A vacuum cleaner comprising: a motor coupled to a fan for generating air flow; a body with a handle; a dirty air duct with a dirty air inlet; a battery pack housing at least one rechargeable cell for powering the motor; and a dirt separating means located in a path of the air flow generated by the fan, wherein the dirt separating means comprises: a hollow substantially cylindrical dirt container with a longitudinal central axis; and an air inlet port to the dirt container, wherein the air inlet port is in communication with the dirty air duct and wherein the battery pack has a curvilinear or annular cross-sectional profile transverse to the central axis and a curvilinear inner wall embracing the dirt container. | 04-18-2013 |
20130091658 | VACUUM CLEANER - A vacuum cleaner comprising: a motor coupled to a fan for generating air flow; an elongate body with a handle at longitudinal end and a cleaner head arranged at an opposite longitudinal end; a dirt separation means located in a path of the air flow generated by the fan; and at least one support wheel for supporting the vacuum cleaner upon a floor, wherein the dirt separation means comprises: a hollow substantially cylindrical dirt container with a longitudinal central axis arranged transverse to the elongate body; and an air inlet port to the dirt container, wherein the air inlet port is in communication with the cleaner head located in the path of the air flow upstream of the dirt separation means and wherein the at least one support wheel rotates about the dirt container. | 04-18-2013 |
20130091660 | CYCLONIC SEPARATION APPARATUS - A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a cyclone with a hollow cylindrical body, a hollow frustro-conical body tapering away from the cylindrical body and a longitudinal central axis through the cylindrical body and the frustro-conical body; a discharge nozzle through the frustro-conical body at a longitudinal end; an air inlet port arranged tangentially through a side of the cylindrical body; and an air outlet port through the cylindrical body at an opposite longitudinal end; a dirt container in communication with the cyclone; and a deflector fin arranged within the cyclone to deflect, in use, air flow from the air inlet port in a helical path around the cyclone and towards the discharge nozzle. A vacuum cleaner comprising a motor coupled to a fan and the cyclonic separation apparatus. | 04-18-2013 |
20130091661 | CYCLONIC SEPARATION APPARATUS - A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a first cyclonic separating unit comprising a hollow cylindrical dirt container with a central axis and an air inlet port arranged tangentially through a side of the dirt container; a second cyclonic separating unit comprising at least one cyclone with an axial inlet port, an axial outlet port and a discharge nozzle and a substantially cylindrical intermediate wall surrounding the inlet port of the at least one cyclone, wherein the cyclonic separation apparatus comprises at least one protruding lip arranged to impede return of separated material from said longitudinal end of the dirt container and wherein the at least one lip protrudes radially inwardly from an inner surface of the dirt container or protrudes radially outwardly from the intermediate wall. | 04-18-2013 |
20130091662 | CYCLONIC SEPARATION APPARATUS - A cyclonic separation apparatus for a vacuum cleaner comprising: a cyclone with a longitudinal central axis; a discharge nozzle at a longitudinal end of the cyclone; an air inlet port arranged tangentially through a side of the cyclone; an air outlet port through an opposite longitudinal end of the cyclone; and a dirt container in communication with the cyclone, wherein the dirt container comprises: a base wall penetrated by the discharge nozzle; a top wall spaced apart from the base wall; and a perimeter wall interposing the base wall and the top wall, wherein the dirt container is arranged to convey air flow from the cyclone in an elongate circuit defined by the perimeter wall. A vacuum cleaner comprising: a motor coupled to a fan for generating air flow; and the cyclonic separation apparatus. | 04-18-2013 |
20130091810 | MOTOR, FAN AND CYCLONIC SEPARATION APPARATUS ARRANGEMENT - A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner, the arrangement comprising: a motor coupled to a fan for generating air flow; a cyclonic separation apparatus located in a path of the air flow generated by the fan; and a pre-fan filter located in the path of the air flow downstream of the cyclonic separation apparatus and upstream of the fan, wherein the cyclonic separation apparatus comprises at least one cyclone comprising: a cyclone body with a longitudinal axis; an air inlet port arranged tangentially through a side of the cyclone body; and an air outlet port through a longitudinal end of the cyclone body, wherein the pre-fan filter is arranged upon the air outlet port of the or each cyclone. | 04-18-2013 |
20130091812 | MOTOR, FAN AND CYCLONIC SEPARATION APPARATUS ARRANGEMENT - A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner comprising: a motor coupled to a fan for generating air flow; and a cyclonic separation apparatus located in a path of the air flow generated by the fan. The cyclonic separation apparatus comprises: a plurality of cyclones each with an air inlet port and an air outlet port; and a cooling air flow path. The motor comprises a permanent magnet brushless motor, a switched reluctance motor or a flux switching motor. The fan has an outer diameter the same or less than the diameter of the motor. The plurality of cyclones, the motor and the fan are arranged in a circular array about a central axis of the cyclonic separation apparatus. The arrangement comprises a baffle for directing air flow from the fan out of the circular array. The motor is located in the cooling air flow path. | 04-18-2013 |
20130091813 | MOTOR, FAN AND CYCLONIC SEPARATION APPARATUS ARRANGEMENT FOR A VACUUM CLEANER - A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner, the arrangement comprising: a motor coupled to a fan for generating air flow; and a cyclonic separation apparatus located in a path of the air flow generated by the fan, wherein the cyclonic separation apparatus comprises: a plurality of cyclones each with an air inlet port and an air outlet port wherein the cyclones are arranged in a generally circular array about a central axis of the cyclonic separation apparatus; and a cooling air flow path, wherein the motor is nested within the generally circular array of cyclones and wherein the motor is located in the cooling air flow path. A vacuum cleaner comprising the motor, fan and cyclonic separation apparatus arrangement. | 04-18-2013 |
20130091814 | CYCLONIC SEPARATION APPARATUS - A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a first cyclonic separating unit comprising a hollow substantially cylindrical dirt container with a central axis, an air inlet port arranged tangentially through a side wall of the dirt container and an air outlet; and a second cyclonic separating unit comprising at least one cyclone with an air inlet port and an air outlet port, wherein the second cyclonic separating unit receives air flow downstream from the first cyclonic separating unit, wherein the second cyclonic separating unit is located within the dirt container and wherein the second cyclonic separating unit is detachably connected to the dirt container for removal through either longitudinal end of the dirt container. A vacuum cleaner comprising a motor coupled to a fan and the cyclonic separation apparatus. | 04-18-2013 |
20130118767 | Power Tool Having Interchangeable Tool Heads With An Independent Accessory Switch - A power tool is provided which accommodates interchangeable tool heads. The power tool includes: a tool body having a housing and an electric motor mounted within the housing, as well as a tool head that releasably attaches via a mechanical connection and an electrical connection to the tool body. The tool releasably connects to the output shaft of the electric motor when the tool head is attached to the tool body. A tool switch interposed between a power source for the electric motor and the electric motor is operable to supply power from the power source to the electric motor. A tool accessory switch interposed between the tool accessory and the power source for the electric motor is operable to supply power from the power source via the electrical connection to the tool accessory, thereby providing the tool operator independent control of the tool accessory. | 05-16-2013 |
20130126579 | EXHAUST DEFLECTOR FOR PNEUMATIC POWER TOOL - A pneumatic fastening tool may include a tool housing including a dispensing portion for dispensing a fastener, a handle portion and an inlet configured to receive input of compressed air. A cap assembly may include a cap housing having an opening and mounted to the tool housing. A deflector may be configured to direct exhausted air through an outlet in a first direction. The deflector may have a stem received in the opening. The stem may define a bore extending in a second direction that is distinct from the first direction. A locking member may extend at least partially in the bore and be configured to rotatably capture the deflector relative to the cap housing. | 05-23-2013 |
20130140049 | POWER TOOL HAVING ROTARY INPUT CONTROL - An improved method is provided for operating a power tool. The method includes: monitoring rotational motion of the power tool about an axis using a rotational motion sensor disposed in the power tool; determining a direction of the rotational motion about the axis; and driving the output member in a direction defined by the detected rotational motion of the tool, where the output member is driven by a motor residing in the power tool. Thus, the output member is drive clockwise when the rotational motion of the tool is clockwise about the axis and the output member is drive counter-clockwise when the rotational motion of the tool is counter-clockwise about the axis. | 06-06-2013 |
20130140050 | POWER TOOL HAVING ROTARY INPUT CONTROL - A power tool has a housing, an output member coupled to the housing, and a motor, rotational motion sensor, timer, and control circuit in the housing. The timer is initiated, and the rotational motion sensor monitors rotational motion of the housing about an axis. The control circuit determines the direction of the rotational motion of the housing, whether the direction is different from a previous direction of rotational motion of the housing, and whether a value for the timer exceeds a predetermined threshold. If the direction is different from the previous direction and the timer value is less than the predetermined threshold, the control circuit initiates a protective action for the power tool. The control circuit also drives the motor to cause the output member to rotate in a direction that corresponds to the detected rotational motion of the housing. | 06-06-2013 |
20130145630 | SPOOL CASSETTE, A CUTTING HEAD FOR A STRING TRIMMER AND A STRING TRIMMER - A spool cartridge for use in a cutting head of a string trimmer, in which the cutting head includes a locking arm having an engagement end and a balance end. The spool cartridge includes a spool rotatably mounted within a spool cassette housing and has cutting line wound thereon. The spool cassette housing includes one or more openings for the cutting line. An internal gear is formed in the spool and is in geared engagement with a locking assembly. The locking assembly is arranged to be engaged by the engagement end of the locking arm to automatically lock and unlock the spool with respect to the spool cassette housing. | 06-13-2013 |
20130145633 | Electric Supply Cable Sheath For A Power Tool - A power tool comprising: a housing; a cable outlet with a central axis; an motor; a flexible electrical supply cable; a cable sheath for protecting supply cable projected through the cable outlet and for directing unprotected supply cable away from the central axis wherein the sheath is rotatable to change direction of unprotected supply cable; and locking means for locking the sheath in one of a plurality of rotational orientations. The locking means comprises: a receiving member connected to one of the sheath or the cable outlet; an engaging member connected to the other of the sheath or the cable outlet; and a biasing means for biasing the engaging and receiving members into engagement to lock the sheath in a rotational orientation, wherein movement of the sheath against the biasing means disengages the engaging and receiving members and unlocks the sheath for rotation. | 06-13-2013 |
20130154205 | Right Angle Attachment For Power Tools - A right angle attachment for use with a power tool that includes a housing having a handle portion and a gear case attached to the handle portion and supporting first and second right angle gears wherein the first right angle gear is driven by an input shaft that is connected to the drill and the second right angle gear has an opening therein for receiving a hex bit directly therein. A floating magnet head can surround the hex bit to aid in fastener retention and can be movable out of proximity of the hex bit to facilitate easy removal of the hex bit for replacement. An additional magnet can be disposed within the gear case at the base of the hex bit in order to magnetize the hex bit and further enhance the retention of the fastener therein. | 06-20-2013 |
20130160304 | VEGETATION CUTTING DEVICE - A vegetation cutting device comprises, a housing, and a motor located within the housing. The motor comprises a rotating output shaft for driving a pair of reciprocating blades. The vegetation cutting device also comprises a rotatable front handle being rotatably mounted on the housing and is adapted to rotate with respect to the housing. The rotatable front handle comprises, a first trigger wherein the motor is operable on actuation of the first trigger. A release button is mechanical cooperation with the rotatable front handle for actuating rotation of the front handle. The vegetation cutting device also comprises an interlock mechanism mechanically coupling the release button and the first trigger wherein actuation of the release button prevents actuation of the first trigger and actuation of the first trigger prevents actuation of the release button. | 06-27-2013 |
20130161040 | POWER TOOL - A power tool having a housing assembly and a drive component that is housed in the housing assembly. The housing assembly has a first housing component, a second housing component, at least one set of mating conically-shaped features, and at least one fastener. Each set of mating conically-shaped features includes a first cone portion and a second cone portion. The first cone portion of each set of mating conically-shaped features is coupled to the first housing component and has a frusto-conically-shaped exterior surface. The second cone portion of each set of mating conically-shaped features is coupled to the second housing component and has a frusto-conically-shaped interior surface that is engaged with the frusto-conically-shaped exterior surface of an associated first cone portion. Each fastener is received through an associated pair of the first and second cone portions and is threadably engaged to one of the first and second housing components. | 06-27-2013 |
20130165030 | SHIELD ASSEMBLY FOR A POWER TOOL - The present invention is directed toward a shield assembly for a handheld tool device such as an angle grinder. The shield assembly is selectively repositionable with respect to the cutting tool. A lock mechanism secures the shield assembly in discrete rotational positions relative to the cutting tool. The shield assembly includes a guard member and a bumper member, and an alignment feature configured to align the relative positions of guard member and the bumper member, thereby positing the members in a predetermined relative orientation. With this configuration, the shield assembly is selectively repositionable via a “hands-free” mechanism that permits a user to adjust the position of the shield assembly by simply contacting the shield assembly against a work surface. | 06-27-2013 |
20130169199 | METHOD FOR DETERMINING ROTATIONAL SPEED OF AN ELECTRIC MOTOR IN A POWER TOOL - An overspeed protection subsystem is provided for a power tool having an electric motor. The overspeed protection subsystem is comprised of: a motor switch coupled in series with the motor; a motor control module interfaced with the motor switch to control switching operation of the motor switch; and an overspeed detection module that determines rotational speed of the motor and disables the power tool when the rotational speed of the motor exceeds a threshold. | 07-04-2013 |
20130175066 | POWER TOOL WITH TORQUE CLUTCH - A power tool that includes a housing, a motor, a trigger, a multi-speed transmission and a torque clutch. The housing define a handle. The motor is coupled to the housing. The trigger is coupled to the housing and configured to control operation of the motor. The multi-speed transmission is configured to transmit rotary power between the motor and the output spindle and includes a plurality of planetary stages with a first stage and a second stage that receives rotary power from the first stage. The first stage has a first internally toothed gear element and the second stage having a second internally toothed gear element. The torque clutch limits torque output from the multi-speed transmission to the output spindle. The torque clutch is configured to alternatively ground the second and third internally toothed gear elements to the housing based on a speed ratio setting of the multi-speed transmission. | 07-11-2013 |
20130185892 | APPARATUS FOR COLLECTION OF GARDEN WASTE - An apparatus for collection of garden waste wherein the apparatus has a vacuuming mode of operation and a dirty fan operation in the vacuuming mode of operation thereof, the apparatus comprising: a hand-holdable unit comprising a motor with an output shaft coupled to an impeller for generation of air flow; a volute enclosing the impeller for direction of air flow from an axial air inlet of the volute past the impeller to a tangential air outlet of the volute; a vacuum tube for conducting dirty air flow to the air inlet of the volute in the vacuuming mode of operation; and a cyclonic separation arrangement for receiving dirty air flow from the air outlet of the volute and separating garden waste from said dirty air flow in the vacuuming mode of operation. A blowervac comprising the apparatus for collection of garden waste. | 07-25-2013 |
20130185899 | VIBRATION DAMPENING HANDLE FOR A POWERED APPARATUS - A vibration dampening handle for a powered apparatus includes an elongated gripping member having first and second opposite ends and a longitudinal axis extending through the first and second ends, and a wall defining an inner bore and having an inner surface. The inner bore extending along the longitudinal axis at least partially through the gripping member, and opens on at least the first end of the gripping member. A weighted mass is disposed at the second free cantilevered end of the gripping member. An elongate elastic beam member is attached to the gripping member. A portion of the beam member is disposed within the inner bore and is spaced apart from the inner surface. The beam member further includes a first end that extends beyond the first end of the gripping member and includes a fastening member adapted to connect the handle to the powered apparatus. | 07-25-2013 |
20130186659 | TRIGGER PROFILE FOR A POWER TOOL - An improved method is provided for operating a power tool. The method includes receiving an input control variable from an input unit; receiving at least one tool parameter relating to the power tool; determining a derivative of the input control variable; selecting one of a plurality of control profiles based on the control input variable, the derivative of the input control variable, and the tool parameter, each control profile correlating the control input variable of the input unit to a rotational speed at which to drive the output shaft; and driving the output shaft at a rotational speed in accordance with the selected control profile. | 07-25-2013 |
20130186660 | TRIGGER PROFILE FOR A POWER TOOL - An improved method is provided for operating a power tool. The method includes receiving an input control variable from an input unit; determining a second derivative of the input control variable; selecting one of a plurality of control profiles based on the control input variable and the second derivative, each control profile correlating the control input variable of the input unit to a rotational speed at which to drive the output shaft; and driving the output shaft at a rotational speed in accordance with the selected control profile. | 07-25-2013 |
20130192860 | ELECTROMAGNETIC MODE CHANGE MECHANISM FOR POWER TOOL - A mode change mechanism for a power tool includes an actuator with a permanent magnet. The actuator is moveable between a first position for a first mode of operation, and a second position for a second mode of operation. A first positioning member is adjacent the first position composed of a ferromagnetic material to attract the permanent magnet. A second positioning member is adjacent the second position and composed of a ferromagnetic material to attract the permanent magnet. An electromagnet may be energized to move the actuator between the first position and the second position. When the electromagnet is not energized and the actuator is in the first position. the actuator is retained in the first position. When the electromagnet is not energized and the actuator is in the second position, the actuator is retained in the second position. When the electromagnet is energized, the actuator moves between the first and second positions. | 08-01-2013 |
20130192862 | Accessory For Oscillating Power Tools - The present invention is generally directed to an oscillating power tool system. The tool system may include an oscillating power tool. The oscillating power tool may include a housing and a clamp assembly for coupling a tool accessory to the housing. The system may also include a dust collection accessory. The dust collection accessory may include a clamp for coupling to the housing and a dust collection apparatus coupled to the clamp for receiving dust generated by the tool accessory. The present invention is also generally directed to a dust collection accessory for a power tool. The accessory may include a clamp for coupling the accessory to a body of the power tool. The accessory may also include a dust collection apparatus coupled to the clamp for receiving dust generated by the power tool. | 08-01-2013 |
20130193655 | Oscillating Tool Adapter - A clamp arrangement for securing an accessory to an oscillating power tool can include a clamp assembly including a first clamp member that moves relative to the accessory between a closed position wherein the clamp assembly retains the accessory and an open position wherein the first clamp is offset from the accessory permitting removal of the first accessory from the clamp assembly. The clamp assembly can further comprise a second clamp member having a first portion that opposes the first clamp member and cooperates with the first clamp member to clamp the accessory between the first and second clamp members. An attachment plate can carry the clamp assembly. The attachment plate can have a first mating detail formed thereon that is configured to selectively and removably mate with a complementary second mating detail on the power tool in an assembled position. | 08-01-2013 |
20130196571 | MULTI-SANDER - A tool for moving an abrasive media can include a tool body and a drive system housed in the tool body. The drive system can include an output member. A retaining member can be disposed on the tool body. A first platen having a first attachment hub can be selectively coupled with the retaining member in an installed position. The first platen can have a first rotatable member that selectively attaches to the output member in a first mode of operation. A second platen having a second attachment hub can selectively couple with the retaining member in an installed position. The second platen can have a second rotatable member that selectively attaches to the output member in a second mode of operation. | 08-01-2013 |
20130199146 | CORDLESS MOWER INCLUDING COOLING AIR FLOW ARRANGEMENT - A cordless mower includes a deck, a rechargeable battery, a blade for cutting grass, a blade motor and a drive motor. The deck is supported by front and rear wheels and has a top side, a bottom side, a front end and a rear end. The rechargeable battery is supported on the deck. The blade is on the bottom side of the deck and is coupled with a blade motor. The drive motor is connected to the rear wheels for driving said rear wheels to move the mower. The drive motor is located in a chamber at the rear of the mower adjacent the rear wheels. The chamber has an opening therein to allow air to flow through. | 08-08-2013 |
20130199811 | TWIST-HANDLED POWER TOOL WITH LOCKING SYSTEM - A power tool having first and second housing portions, a power train, a mounting hub, a lock bar and an actuator. The second housing portion is disposed about the first housing portion for pivoting motion about a pivot axis. The powertrain has an output member that extends from the second housing portion and which is movable relative to an output member axis. The mounting hub is coupled to one of the first and second housing portions. The lock bar is mounted to the other one of the first and second housing portions. The actuator is slidably received in the other one of the first and second housing portions and cooperates with the mounting hub to selectively permit the second housing portion to pivot about the pivot axis relative to the first housing portion. | 08-08-2013 |