| Entries |
| Document | Title | Date |
|---|
| 20080202784 | Hand-Held Power Tool - The present invention relates to a portable power tool with a motor housing ( | 08-28-2008 |
| 20080257578 | Vibration Attenuated Power Tool - A vibration attenuated power drill is disclosed. The drill comprises a housing incorporating a motor ( | 10-23-2008 |
| 20080314609 | Vibration Dampened Hand-Held Power Tool - A hand-held power tool, e.g. a high speed file or polisher has a single rotary drive shaft ( | 12-25-2008 |
| 20090025949 | Power tool - It is an object of the invention to provide a technique that contributes to improvement of the vibration reducing performance of a dynamic vibration reducer in a power tool while realizing reduction in size of the dynamic vibration reducer. A representative power tool which linearly drives a tool bit to perform a predetermined operation on a workpiece includes a tool body and a dynamic vibration reducer. The dynamic vibration reducer has a weight and an elastic element. The weight has an internal space that extends in the axial direction of the tool bit from at least one end of the weight in said axial direction. One end of the elastic element is inserted and received in the internal space, while the other end of the elastic element is placed on the tool body directly or via the body side member. | 01-29-2009 |
| 20090090528 | Hand-held power tool with vibration-compensating mass - A hand-held power tool includes a vibration-compensating mass ( | 04-09-2009 |
| 20090151967 | Hand-held power tool with vibration compensator - An electrical hand-held power tool includes a driving element ( | 06-18-2009 |
| 20090194306 | POWER TOOL HOUSING SUPPORT STRUCTURES - A tool housing which in one aspect includes a body defining a head portion with a handle portion depending therefrom to define a forward and/or a rear junction. A metal reinforcing member is configured to span along an inside surface of the body from the head portion to the handle portion such that the reinforcing member bridges either the forward or rear junction. In another aspect, the tool assembly comprises a tool housing body, a motor positioned within the tool body housing, a drive mechanism connected with the motor to define a unitary motor/drive mechanism assembly, and at least one elastic isolating member extending about a portion of the motor/drive mechanism assembly such that the motor/drive mechanism assembly is elastically isolated relative to the housing body. | 08-06-2009 |
| 20100038104 | HAND HELD MACHINE TOOL - The invention relates to a hand-held machine tool for driving a bit which can be accommodated in a tool holder, with a rotary and/or hammer action. The machine tool includes a drive train which has a drive side associated with a drive unit and a driven side associated with the tool holder. According to the invention, the hand-held machine tool has at least one decoupling unit that is used to form a rotationally elastic coupling between the drive side and the driven side. | 02-18-2010 |
| 20100155094 | Impact tool - It is an object of the invention to reduce noise caused by run-out of a tool bit in an impact tool. The representative impact tool according to the invention includes a tool holder | 06-24-2010 |
| 20110005789 | FLUID POWERED PERCUSSION TOOL - Fluid-powered percussion tool | 01-13-2011 |
| 20120037391 | Portable Tool - The invention relates to a The portable tool, in particular a tool for grinding or cutting, having a housing with a gear head, having a drive shaft which can be rotationally driven by a motor and can be coupled via a coupling drive to a tool spindle for the drive thereof, wherein the tool spindle can be driven rotatingly oscillating about the longitudinal axis thereof and is configured for receiving a tool wherein a vibration absorber is provided at the tool spindle, the vibration absorber having an absorption mass which encloses the tool spindle. Preferably the absorption mass is configured substantially in a ring segment shape and encloses the tool spindle by at least 180°, or even by 360°. | 02-16-2012 |
| 20120118598 | IMPACT TOOL - An impact tool includes a motor, a rotating shaft rotationally driven by the motor, a swinging member that swings in the axial direction of a tool bit by rotation of the rotating shaft a tool driving mechanism that is connected to an end region of the swinging member in a direction transverse to the axis of the rotating shaft, and is caused to rectilinearly move in the axial direction of the tool bit by swinging movement of the swinging member thereby rectilinearly driving the tool bit, and a vibration reducing member for reducing vibration caused in the axial direction of the tool bit during operation of the tool bit. The vibration reducing member is disposed on an opposite side of a rectilinear working axis of the tool bit from the rotating shaft and connected to a connecting part between the swinging member and the tool driving mechanism in such a manner as to be driven. | 05-17-2012 |
| 20120152581 | HAMMER SIDE BUFFER - A demolition hammer may include a housing having a distal end and a proximal end, a power cell disposed in the housing along a longitudinal axis and a side buffer positioned to support the power cell in the housing, wherein the housing forms a first retaining structure that prevents axial movement of the side buffer toward the proximal end. The housing may also form a second retaining structure that prevents inward radial movement of the side buffer and a third retaining structure that prevents outward radial movement of the side buffer. | 06-21-2012 |
| 20120175141 | DEVICE AND METHOD FOR THE CUTTING SHOCK DAMPING OF WORK MACHINES - The invention relates to a device ( | 07-12-2012 |
| 20120261153 | POWER TOOL - A power tool capable of performing vibration damping action in working operation, without an increase in size. The working tool includes a motor, a housing in which an internal mechanism driven by the motor is stored, a tool bit disposed on one end of the housing, a hand grip continuously connected to the other end of the housing, and a dynamic damper. The dynamic damper is disposed by utilizing a space between the housing and the internal mechanism so that the damping direction of the dynamic damper faces the longitudinal direction of the tool bit. | 10-18-2012 |
| 20120305277 | POWER TOOL - A power tool, which actuates a tool linearly in a longitudinal direction of the tool, the power tool performs a predetermined operation to a workpiece, having: a drive mechanism which actuates the tool; a rotational shaft which actuates the drive mechanism; a swing lever which swings along the longitudinal direction by a rotational motion of the rotational shaft; and a dynamic vibration reducer which alleviates vibration generated during the predetermined operation. The dynamic vibration reducer includes a weight which is linearly movable in the longitudinal direction an elastic member which biases the weight. The weight is adapted to be actuated mechanically and forcibly by a motion component with respect to the longitudinal direction of a swinging motion of the swing lever in a state that the weight is biased by the elastic member. | 12-06-2012 |
| 20130037290 | Power-Driven Hand Tool - A power-driven hand tool is disclosed, comprising a tool spindle that can be driven in a rotational oscillatory manner about its longitudinal axis and that is designed to carry a tool, and further comprising a transmission housing, in which there is carried an eccentric coupling drive for driving the tool spindle and from which the tool spindle projects outwardly with one end, wherein, for the purpose of mass compensation of the oscillatory motion of the eccentric coupling drive, a compensatory mass is provided, which is disposed outside of the transmission housing. | 02-14-2013 |
| 20130206439 | MACHINE TOOL EQUIPPED WITH FLOATING MECHANISM - Provided is a machine tool which is equipped with a floating mechanism, and the whole of which can be miniaturized and lightened, said floating mechanism being equipped with carriers of loads generated in both radial and thrust directions, resulting in deformation of the floating mechanism being reduced. The floating section ( | 08-15-2013 |
| 20130269963 | System Having at least Two Oscillation Insert Tools - The disclosure relates to a system having at least one first oscillation insert tool that is configured to be effectively coupled to an oscillation hand power tool, and at least one second oscillation insert tool that differs from the first oscillation insert tool and is configured to be effectively coupled to the oscillation hand power tool as an alternative to the first oscillation insert tool. At least one of the at least two oscillation insert tools comprises at least one compensating unit for at least substantially adapting a mass moment of inertia of the at least one oscillation insert tool to a mass moment of inertia of the at least one second oscillation tool. | 10-17-2013 |
| 20140124230 | POWER TOOLS WITH HOUSINGS HAVING INTEGRAL RESILIENT MOTOR MOUNTS - Power tool housing shells that matably attach to each other and define an interior cavity that is sized and configured to encase at least a motor associated with a power train for a power tool. Each housing shell is a substantially rigid molded shell body. Each housing shell inner surface includes at least one overmold motor mount member of a resilient material directly, integrally attached to an inner surface of the respective housing shell. | 05-08-2014 |
| 20140360745 | MAIN SPINDLE UNIT - A main spindle unit includes: a damper bearing that restricts vibrations of a main spindle by being supplied with a fluid; a fluid supply device that supplies the fluid to the damper bearing, and that is able to adjust a flow rate of the fluid; a vibration detection sensor that detects a vibration of the main spindle; and a controller that adjusts the flow rate of the fluid supplied from the fluid supply device, based on the magnitude of the vibration detected by the vibration detection sensor. | 12-11-2014 |
| 20150014012 | OSCILLATION REDUCING SUSPENSION DEVICE FOR A FAN MOTOR OF A COMBUSTION-POWERED TOOL - An oscillation reducing suspension device for a fan motor of a combustion-powered tool includes a holding web member sleeved on the fan motor, upper and lower retaining members disposed to secure the holding web member on the fan motor, upper and lower damping units which are respectively brought into abutting engagement with upper and lower surfaces of the holding web member, and an upward-movement restricting member securely mounted on an upper major surface of a cylinder head. | 01-15-2015 |
| 20180021903 | SPINDLE ARRANGEMENT | 01-25-2018 |
