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7383894 |
Pneumatic hammer drill (I)
A pneumatic hammer drill includes: a pneumatic cylinder having a cylinder rear end fitted in a handle body, an air passage, and a pressure chamber; and an air valve adjacent to the cylinder rear...
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7322428 |
Vibration reduction apparatus for power tool and power tool incorporating such apparatus
A handle assembly for a power tool is described and includes a first substantially tubular body portion 210 which contains a first spring 212. A second body portion 216 is slidably mounted...
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7287601 |
Power tool with a rotating and/or hammering drive mechanism
A hand-operated power tool has a housing with a drive mechanism for driving a tool, a tool receptacle for receiving a tool, a handle assembly for grasping and handling located in a rear region...
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7270320 |
Antivibration element
An antivibration element ( 1 ) is especially for a portable handheld work apparatus such as a motor-driven chain saw or a brushcutter. The antivibration element includes a coil spring ( 2 ) and at...
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7252157 |
Power tool
It is an object of the present invention to provide a power tool having a further improved vibration reducing performance. The representative power tool may comprise a tool bit, an actuating...
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7252156 |
Vibration isolation handle
It is an object of the invention to provide an effective technique for reducing the manufacturing costs of a handle mounted to a power tool. According to the invention, a representative handle may...
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7219433 |
Adjustable antivibration system, in particular for a hand-held work machine
The invention pertains to a handheld implement, in particular a portable chainsaw ( 100 ), with a handle housing part ( 12 ) that contains at least one carrying handle ( 10 ), and with at least one...
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7152853 |
Manually operated implement
A manually operated implement such as a chain saw, a parting-off grinder or similar device has an internal combustion engine to drive a tool and a handle arrangement to operate the implement. The...
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7140451 |
Portable tool having cover and label to be stuck on the portable tool for identification
A portable tool includes a motive power section, a mechanical section driven by the motive power section, and an outer frame covering the motive power section and the mechanical section. A label or...
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7137542 |
Vibration isolating handle
It is an object of the invention to provide a vibration reducing technique which is effective in obtaining stable vibration reducing effectiveness. A representative vibration isolating handle may...
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7100706 |
Hand tool machine comprising a vibration-dampened handle
A coupling between the handle ( 2 ) and the machine housing ( 1 ) of a hand power tool having the greatest possible vibration damping is produced by the fact that the handle ( 2 ) is coupled with...
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7093670 |
Impact drill
An impact drill minimizing transmission of vibration to a handle gripped by a user's hand. A spindle extends through a main frame and is movable in its axial direction and rotatable about its axis....
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7093669 |
Impact tool
An impact tool, comprising: a shaft; a stop on the shaft; a slider movable on the shaft for striking the stop to create an impact force; and a handle on the slider to allow a user to move the...
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7076838 |
Hand-held machine tool with vibration-damped handle
A very extensive decoupling of the handle from vibrations in the hand power tool is obtained by the fact that, on each of two legs ( 5, 7 ) extending nearly parallel to the longitudinal axis ( 9 )...
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7070009 |
Vibration isolation mount system (ISO)
A power tool includes vibration isolation material positioned between an engine shroud and a drive shaft housing. The vibration isolation material isolates the drive shaft housing from engine...
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6962211 |
Vibration-decoupling arrangement for supporting a percussion unit in a hand-held percussion power tool
A vibration-decoupling arrangement for supporting a percussion unit ( 2 ) in a hand-held percussion power tool includes a spring ( 4 ) arranged between the percussion unit ( 2 ) and a tool housing...
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6948570 |
Electrical hand tool machine with vibration damped striking mechanism
A partially percussive electrical hand tool machine ( 1 ) having a portable housing ( 3 ), a striking mechanism module ( 4 ) connected, in a vibration-damped manner, to the housing ( 3 ) and having...
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6863479 |
Supplemental handle
A supplemental handle for a hand-held machining tool ( 18 ), has at least one grip element ( 10, 12, 14, 16 ) that is connectable with a housing ( 26 ) of the hand-held machine ( 18 ) by means of...
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6805207 |
Housing with functional overmold
An article having a first structure and a second structure. The first structure includes a structural portion and an overmold portion, which is formed from a resilient material and molded onto the...
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6799643 |
Percussion electrical hand-held tool
The present invention relates to a percussion electrical hand-held tool having an electronic control unit ( 5 ) for controlling at least one power parameter of the electrical tool, and a...
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6799642 |
vibration damper between two components
A vibration damper is disposed between two components ( 2, 3 ) of a portable handheld work apparatus ( 4 ). The vibration damper is held especially between a housing ( 6 ), which holds an internal...
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6796389 |
Power hand tool and removable grip therefor
A power hand tool body has a barrel with a depending skirt portion from which depends an elongated handle. Elongated grooves are formed in opposite sides of the skirt portion and extend between...
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6789631 |
Engine powered torque wrench
An engine-powered torque wrench ( 18 ) has a loop handle ( 19 ) that is orthogonal to a torque rod ( 22 ) of a torque handle. The engine-powered torque wrench has a heat engine ( 1 ) which rotates...
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6776243 |
Carrying handle for a percussion power tool
An assembly for a percussion power tool includes a carrying handle ( 5 ) and a flush head ( 4 ) which is connected with the power tool chuck ( 3 ) for flushing a working tool receivable in the...
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6766868 |
Electric combination hammer-drill
An electric combination hammer for use either as a drilling hammer or as a chisel hammer has a housing and a handle arranged on it. The housing has arranged on it an on-off switch having a pawl and...
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6755260 |
Pneumatic tool
There is provided an hand-held pneumatic tool which has a body, a tool fitted to the lower end of the body and a handle at the upper end of the body. The handle is connected to the body by a...
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6732627 |
Carrying mechanism for power tools
A power tool including a motor, a housing having first and second holes, and first and second plugs disposed within the first and second holes, respectively, the first and second plugs each...
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6722549 |
Arm member for fastener driving tool
An arm member is provided for protection of a power source and for facilitating storage of a power tool. In a closed position, the arm member is configured for partially encircling a portion of the...
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6719067 |
Insert for a plastic power tool housing
A rigid preformed insert is molded into a plastic housing for a power tool. The power tool further comprises a motor having a shaft, the motor being at least partly supported by the insert, and an...
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6671931 |
Vibrating hammer glove
A vibrating hammer glove having a motor housing cover with a palm portion across the top of a hammer housing includes downwardly depending flaps which wrap around the housing and fasten with a...
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6643939 |
Chain saw with vibration-isolating devices
A chain saw with vibration-isolating devices, capable of providing a desirable vibration-isolating effect over a wide frequency range and reducing accidental deviation from a desired cutting line...
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6619409 |
Vibration-isolating member and vibration-isolating device
A vibration-isolating member is formed of an elastic material, and has a mounting hole at the center thereof, a large diameter section at an end of the mounting hole, a groove at the periphery of...
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6619408 |
Hammer with shock-resistant arrangement
A hammer comprises a metal bar extended from a head, the bar including forward and rearward apertures; a soft sleeve including spaced lengthwise internal ribs, the ribs being fastened across the...
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6568483 |
Interchangeable pistol grip handles for pneumatic tools and seals therefor
A pneumatic tool is provided having a housing with an exhaust passageway and a handle. The handle has an inlet that receives the housing, an outlet having at least one exhaust port, and an interior...
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6484361 |
Handle for a drill- and/or chisel hammer
A handle for a drill- and/or chisel hammer has a mount which can be fixed to the hammer. A radial grip is fixed to said mount, the grip axis of said radial grip crossing a tool axis which is...
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6464018 |
Portable handheld drilling machine having an internal combustion engine
The invention relates to a portable handheld drilling machine having an internal combustion engine ( 21 ) and a transmission ( 2 ) accommodated in a housing ( 3 ). The output shaft ( 4 ) of the...
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6421880 |
Rock drill handle
The invention concerns a rock drill handle which is connectable to a hand-held rock drill and which includes vibration damping means to damp the transmission of at least back and forth vibrations...
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6412180 |
Anti-vibration element having separation securement
An anti-vibration element is provided for disposition between a motor unit and a handle unit of a manually guided implement. The anti-vibration element includes a sleeve-shaped, elastic main body...
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6286610 |
Percussion and/or drill hammer with oscillation damping
The inventive percussion and/or drill hammer (10) consists essentially of a hammer housing (12) which surrounds a rotor for a percussive tool (11), including the drive mechanism and the holding...
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6234256 |
Power screw driver with damping device between covered grip and housing
A tool, in particular a power screw driver, comprises an output shaft which is rotatably mounted in a housing and is driven by a motor. The output shaft extends substantially coaxially to a...
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6230367 |
Handle assembly for hand-held tool
A handle assembly for a hand-held tool and including a handle (1) connectable with the tool housing and having a through-bore (4) for a cable (40) connecting the tool with a power source, a...
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6220367 |
Power tool and vibration isolator therefor
The present invention relates to a power tool having a housing, a handle having an inlet passage and an outlet passage extending therethrough, and a pneumatic pressure seal/vibration isolator...
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6155354 |
Interchangeable grips for power hand tools
A replaceable, flexible and resilient grip is slidably fitted over a generally cylindrical handle portion of a power hand tool housing. In one embodiment, for use with a pistol grip housing with a...
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6148930 |
Percussion drill and/or jack hammer with handle spring-buffered against the hammer housing
A percussion drill and/or jack hammer has a handle that is spring-buffered against the hammer housing which has at least one straight guiding track running parallel to the longitudinal axis of the...
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6112831 |
Handle frame for percussive hand held machines
A handle frame (20;20 1 ;120) for a portable power tool, wherein the portable power tool comprises a housing (10), a hammer mechanism (13) provided in the housing (10), and an elongate working...
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6076616 |
Working tool which can be guided in a grab handle
A tool having an operating element that is driven by an integrated power drive for the percussive, pounding or vibratory loading of a material to be worked, in particular a tamper, a vibration...
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6019179 |
Vibration tamper
A vibration tamper for soil compacting has a guide handle proceeding from the tamper head, which is pivoted elastically on the tamper. At the same time, the handle has a special mass distribution...
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H001811 |
Apparatus and method for reducing low frequency vibrations in power tools
A power tool having a low frequency reduction apparatus includes a first handle portion, a second handle portion, and a dual-density bladder disposed between the first and second handle portions....
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5947211 |
Vibration-damped machine driven tool
A vibration-damped, machine driven tool includes a machine housing, a drive mechanism housed in the housing and operable to drive a tool projecting out from the housing, a carrier device which...
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5927407 |
Isolated hand-held vibrating device
An isolator for use in a hand-held vibrating device for providing optimum vibration isolation by utilizing elastomeric sections. Six embodiments are shown which utilize elastomer sections to...
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