Class / Patent application number | Description | Number of patent applications / Date published |
451357000 | Orbital motion tool | 30 |
20080214098 | Power Sander With Novel Sanding Sheet Tension Clamping - Portable sander, in particular an orbital sander, having an abrasive sheet carrier ( | 09-04-2008 |
20080227373 | Low vibration sander with a flexible top handle - A power tool includes a tool body, and the tool body is subject to vibration during operation of the power tool. The power tool also includes a handle adapted to be grasped by an operator of the power tool for controlling the motion of the power tool, and at least one coupling member, where each coupling member includes a first end coupled to the tool body and a second end coupled to the handle and a longitudinal axis between the first end and the second end. | 09-18-2008 |
20090111364 | POWER TOOL HAVING AN ECCENTRIC MASS - A power tool having an eccentric mass for sanding a work surface is provided. The power tool may include a motor assembly, a sanding shaft, an eccentric mass, a base element, a fan shaft, a fan, a filter element and one or more dust channels. The motor assembly may be perpendicular to the sanding shaft for reducing the height of the power tool and reduce vibrations transmitted to the operator during use. The fan may be configured to create a suction force that is guided at least partially through the dust channels for evacuating at least some of the particulate matter creating during sanding operations and the filter element may be configured to capture at least some of the particulate matter for providing at least some protection to the operator and the fan. The fan may be position opposite the motor assembly from the sanding shaft. | 04-30-2009 |
20090209182 | LOCKING RANDOM ORBITAL DUAL-ACTION HEAD ASSEMBLY - A head assembly for a rotary tool, comprising a body arranged for connection to a drive means, the drive means rotatable about a first axis of rotation; a rotatable element arranged for connection to a pad assembly, the rotatable element rotatable about a second axis of rotation disposed substantially parallel to the first axis of rotation; and, a locking assembly arranged to lock the rotatable element to the body to prevent rotation of the rotatable element relative to the body about the second axis of rotation. | 08-20-2009 |
20090221221 | Low Height Quarter Sheet Sander - A reduced height quarter sheet sander has a housing having first and second halves mated together. An upper portion of the housing provides a handle. An electric motor is disposed in the housing. The electric motor has a stator and an armature. The stator has field coils and the armature has an armature shaft on which a commutator is affixed. A pair of brush boxes is disposed in the housing on opposite sides of the commutator. The brush boxes lie in a horizontal elevation when the sander is upright. An orbit mechanism is coupled to the armature shaft and a platen is coupled to the orbit mechanism. In an aspect, a switch disposed in the handle of the housing and a terminal block (at which a cordset that enters the housing terminates) disposed in the handle of the housing have generally the same horizontal elevation as the brush boxes (when the sander is upright). In an aspect, first and second halves of the housing have lower screw bosses generally on opposite sides of the electric motor that extend across the housing from one half to the other half, the stator disposed in the housing so that the field coils extend across the housing from one half to the other half and outside the lower screw bosses wherein bottoms of the field coils are horizontally adjacent or below the lower screw bosses when the sander is upright. In an aspect, the sander has a vertical height of that does not exceed 135 mm. In an aspect, the sander has a vertical height that does not exceed 130 mm. In an aspect, the sander has a vertical height that does not exceed about 125 mm. | 09-03-2009 |
20090275273 | Power Tool Having an Electronically Commutated Motor and Double Insulation - A power tool has a housing a housing having an electronically commutated motor disposed therein. The motor has a rotor and a stator. The rotor has permanent magnets. The stator has a lamination stack and windings wound therein. Features are provided to provide double insulation. | 11-05-2009 |
20090311952 | MOTOR-DRIVEN MACHINE TOOL - A motor-driven machine tool with a drive shaft and a driven shaft on which the tool is received comprises an eccentric coupling device via which the rotational movement of the drive shaft is transmissible onto the driven shaft. A mass balancer shaft is provided for compensating vibrations. Said mass balancer shaft is operatively connected to at least one of the shafts and carries out a compensating movement counter to the eccentric coupling movement. | 12-17-2009 |
20100003906 | MOTOR-DRIVEN MACHINE TOOL - A motor-driven machine tool ( | 01-07-2010 |
20100009608 | ELECTRIC POLISHING GUN - An electric polishing gun has a body, a rechargeable battery, a drive motor, a transmitting device and an actuating device. The body has a battery seat, a handle section, a circuit board, a switch, a trigger and a holding cap. The rechargeable battery is attached detachably to the battery seat of the body to supply electric power to the electric polishing gun. The drive motor is mounted in the body, is electrically connected to switch, the trigger and the rechargeable battery and has a rotating shaft and multiple engaging teeth. The transmitting device is connected to the drive motor, is mounted in the holding cap and has a bevel gear and a mounting bracket. The actuating device is connected detachably to the transmitting device and has a cover, a drive shaft, an eccentric segment and an actuating segment. | 01-14-2010 |
20100062695 | ECCENTRIC GRINDER - An eccentric grinder has a drive which is arranged in a housing and the drive shaft of which drives a supporting shaft of a back-up pad by way of an eccentric mounting. Also provided is a friction braking device, which comprises a friction braking element on the housing and a friction surface on the back-up pad. The friction surface slopes down in the radial direction from the inside to the outside with respect to a horizontal plane that is perpendicular to the axis of rotation of the back-up pad. | 03-11-2010 |
20100068977 | Sander having a damping element - A sander according to the present invention having a housing, a motor mounted in the housing, wherein the housing comprises an upper housing section and a lower housing section, the upper housing section includes an inner surface, the lower housing section includes a motor housing, the lower housing section at least partially overlapped by the upper housing section, and a grip portion formed on the upper housing section. The upper housing section is connected with the lower housing section through a damping means including at least a damping element positioned on the inner surface the upper housing section and on the periphery of the motor housing section, the damping element engaged with engagement member. The arrangement of the damping means simplifies the connection between the upper and lower housing sections, while effectively reducing the vibrations in the horizontal and vertical directions when the sander is in use. | 03-18-2010 |
20100099341 | ERGONOMIC THROTTLE LEVER CONTROL AND HAND SUPPORT - A lever longer than wide and bent across its length producing an angle of <180° between an upper surface of a longer first and a shorter second lever end to control the throttle switch of a hand-held tool by hand-rocking the lever about its vertex to exert pressure on or release pressure from the switch, the lever designed to support a user's fingers and palm while using the tool. Attachment tabs extend downwards from opposing sides of the first end adjacent the vertex, each tab having an aperture for accepting an attachment pin so to pivotally engage the lever within pin receiving apertures of the tool to rotate the lever both toward and away from the actuator switch, the second end extending over an exhaust-outlet or air-intake of the hand-held power tool to protect the user's hand from coming into contact with the tool's exhaust-outlet or air-intake. | 04-22-2010 |
20100151775 | LOCKING RANDOM ORBITAL DUAL-ACTION HEAD ASSEMBLY WITH CENTERING - A removable head assembly for a combination rotary, including: a body; a rotatable element connected to the body and including an indentation or protrusion for fixing a pad assembly to the rotatable element; and a locking assembly including first and second elements. The body is connectable to a combination rotary tool and is rotatable about a first axis; the rotatable element is rotatable about a second axis; the indentation or protrusion is aligned with a third axis substantially parallel to the second axis; and the first element is displaceable to displace the second element to rotationally fix the rotatable element with respect to the body so that the first and third axes are co-linear, and the second axis is out of alignment with the first and third axes. | 06-17-2010 |
20100167632 | MANUAL POWER SANDER, AND VIBRATION ISOLATION DEVICE OF A MANUAL POWER SANDER - The invention emanates from a hand-held grinder, in particular an orbital grinder, with at least one handle ( | 07-01-2010 |
20100210194 | Grinding Or Polishing Tool For An Oscillating Drive - The invention discloses a tool for grinding and polishing, comprising a drive motor, which has a given machine power (rated input power) and by which a work spindle can be driven about its longitudinal axis in rotatingly oscillating fashion, and further comprising a tool-mounting fixture on the work spindle intended to receive a tool that has a working surface for grinding and polishing operations. The quotient of the working surface (in square millimeters) and the rated power input (in Watts) is at least 35 mm | 08-19-2010 |
20110183586 | ABRADING DEVICE HAVING A FRONT EXHAUST - A head for an orbital abrading machine comprising a housing, a shroud including inner and outer portions, defining a chamber between the inner and outer portions, a drive means for driving an abrading pad, the drive means at least partially enclosed by the housing and the shroud, wherein the drive means produces an exhaust which is directly vented into the chamber without leaving the head, and wherein the chamber includes at least one opening for directing the exhaust toward the abrading pad for cooling the pad with the exhaust. | 07-28-2011 |
20120220203 | 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. | 08-30-2012 |
20120238190 | Polishing System, Sub-System and Pads - Polishing systems, subsystems and pads adapted for use in conjunction with a polisher. A relatively incompressible backing pad is configured to be attached to a drive system of the polisher. The backing pad includes at least one substantially straight backing pad edge along a perimeter thereof. A relatively compressible polishing pad is configured to be attached to the backing pad, to be driven in contact with a surface to be polished. The polishing pad includes at least one substantially straight polishing pad edge along a perimeter thereof corresponding to the at least one substantially straight backing pad edge when the polishing pad is attached to the backing pad. | 09-20-2012 |
20120302144 | LOW HEIGHT QUARTER SHEET SANDER - A reduced height quarter sheet sander has a housing having first and second halves mated together. An upper portion of the housing provides a handle. A pair of brush boxes is disposed in the housing on opposite sides of a commutator of an electric motor disposed in the housing. In an aspect, a switch disposed in the handle of the housing and a terminal block (at which a cordset that enters the housing terminates) disposed in the handle of the housing have generally the same horizontal elevation as the brush boxes (when the sander is lying upright). In an aspect, the stator is disposed in the housing so that the field coils extend across the housing from one half to the other half and outside the lower screw bosses. | 11-29-2012 |
20130165026 | SANDER - A sander is of a palm type, and its upper portion is configured as a holding portion. A battery attachment portion to which a battery having an elongated shape is attachable is oriented at an angle not less than 0 degrees with respect to a vertical direction, such that if a longitudinal direction of the battery is angled, a lower portion of the battery is in a position shifted inward farther than an upper portion of the battery. | 06-27-2013 |
20130165027 | SANDER - A sander includes an upper portion configured as a holding portion, and side peripheral portions. At least one constriction is formed in the side peripheral portions in such a manner as to be sunk into the side peripheral portions. The constriction is configured to be dent with respect to the holding portion. | 06-27-2013 |
20130217312 | LOW HEIGHT QUARTER SHEET SANDER - A power tool including a housing with an electric motor in the housing. The motor has a stator and an armature, the stator having field coils and the armature having an armature shaft on which a commutator is affixed. A pair of brush boxes are located in the housing on opposite sides of the commutator. An orbit mechanism coupled to the armature shaft and a platen is coupled to the orbit mechanism. The field coils comprise a first field coil facing a front of the sander and a second field coil facing a rear of the sander and the brush boxes are rotationally offset from the field coils with respect to a vertical axis of the sander. | 08-22-2013 |
20130260653 | POWER TOOL - A first recess and protrusion engagement portion and a second recess and protrusion engagement portion making a fan guide and one end portion of a leg swingably abut on each other and making a base plate and the other end portion of the leg swingably abut on each other, respectively, and restricting a deviation of the leg relative to the fan guide and the base plate in a horizontal direction while allowing swinging of the leg relative to the fan guide and the base are provided between the fan guide and the one end portion and between the base plate and the other end portion, respectively. The leg can swing with almost no resistance without involving any elastic deformation during the orbital motion of the base, and stress to cause elastic deformation is not applied to the leg unlike the conventional art. | 10-03-2013 |
20140194040 | ECCENTRIC SEAT FOR AN AUTOMOBILE GRINDING MACHINE - An eccentric seat of an automobile grinding machine has a base, a grinding device, and a linking-fixing unit. The base has s base hole formed in the base. The grinding device is mounted in the base and has a grinding head. The grinding head has a head hole aligned with the base hole. The linking-fixing unit is mounted in the base hole and can move along the axial direction of the base hole and can be engaged the base. The linking-fixing unit has an inserting end that can be engaged in the head hole. When the inserting end is inserted into the head hole, the grinding head is fixed relative to the base, such that it is easy for the grinding head to combine with a grinding body, and the eccentric seat is suitable for polishing a surface of an automobile. | 07-10-2014 |
20140323019 | MACHINE TOOL CLAMPING DEVICE - A machine tool clamping device for clamping a laminar machining tool to a tool holder that is eccentrically movably mounted includes at least one clamping unit with at least one movably mounted clamping element. The machine tool clamping device also includes at least one slotted link movement unit configured to move the clamping element in at least one operating state so as to generate tensile stress in the laminar machining tool. | 10-30-2014 |
20150017891 | COMPACT ELECTRIC GRINDING MACHINE - The present invention particularly relates to a hand-held sanding machine with an outer housing ( | 01-15-2015 |
20150056896 | WATERPROOF SANDER - A waterproof sander comprises a body and a waterproof cover. The body has a housing to hold a drive motor, a drive board driven by the drive motor to proceed a rotational displacement and a sanding disk movable by the drive board and separated from the housing to form a gap between them. The waterproof cover includes a first sealing portion, a mask portion extended from the first sealing portion, and a second sealing portion integrally extended from the mask portion. The first sealing portion is attached to the housing. The mask portion covers the gap. The second sealing portion is located between the drive board and sanding disk to prevent liquid from flowing into the body to provide waterproof effect. | 02-26-2015 |
20160001421 | METHOD AND APPARATUS FOR DEBURRING A SURFACE - A method and apparatus for deburring a metallic surface is disclosed. The method and apparatus utilizes a handheld orbital sander that is compact so that machine marks disposed in tight places can be reached. Additionally, a conformable sanding pad is utilized to allow the sanding pad to conform to the unique contours of the metallic surface to eliminate the machining marks. | 01-07-2016 |
20160121450 | POWER TOOL COUNTERWEIGHT ARRANGEMENT AND MASS MEMBER - A power tool may include a motor and a drive shaft having a first end coupled to the motor and a second end eccentrically coupled to a platen by a retainer bearing and eccentric sleeve. A counterweight component may be coupled to the second end of the drive shaft to counteract imbalance generated by rotation of the retainer bearing, eccentric sleeve and platen. The counterweight component may include a counterweight coupled to the second end of the drive shaft, between the eccentric sleeve and the platen. Alignment of the counterweight may be offset with respect to a centerline of the drive shaft to counteract vibration generated due to interaction of the platen with a workpiece. The counterweight component may also include a counterweight mass member coupled to a sector of the counterweight to counteract vibration generated due to interaction of the platen with a workpiece. | 05-05-2016 |
20160158920 | BACKING PAD FOR A HAND GUIDED POLISHING OR SANDING TOOL AND HAND GUIDED POLISHING OR SANDING TOOL WITH SUCH A BACKING PAD - A backing pad for a power tool having plate-like form and a trapezoid cross-section with a top surface, a larger bottom surface and a slanting circumferential surface connecting the top and bottom surfaces. The backing pad can be connected to a tool shaft of the tool and is adapted for receiving a polishing or sanding material on the bottom surface. The backing pad is provided with a recess and a plurality of holes and channels that creates a predefined air flow between the bottom surface of the backing pad and a working surface. At least one hole ending in an opening is located in an annular outer section of the bottom surface, the annular outer section being located opposite to the slanting circumferential surface of the backing pad. The additional hole is in connection with at least one opening located in the top surface of the backing pad. | 06-09-2016 |