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WO/2008/151868A1 |
The invention starts with a hand tool machine, in particular a paving breaker, with a seal unit (12) which has at least two corresponding sealing means (14, 16, 18). It is proposed that the sealing means (14, 16, 18) have different seali...
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WO/2008/151361A1 |
A combination renovation hammer includes a handle and a head on one end of said handle. The head has a striking face, two side faces, an end face and a claw opposite said striking face. Nut sockets are provided in the side faces or the e...
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WO/2008/153466A1 |
A power tool having a housing divided into two parts (10, 11) interconnected by a thread joint (23) comprising a internal threads (28, 29) on the housing parts (10, 11) and a tubular connection element (24) with two external axially spac...
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WO/2008/149695A1 |
A hammer tool has, in a tool body (1), a piston (2) reciprocated by drive force of a motor (7), a hammer element (3) for performing hammering operation in association with the reciprocation of the piston (2), and an intermediate element ...
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WO/2008/149030A2 |
According to the invention, the body (3) of the apparatus includes a flow rate adjustment device (17) including a calibrated opening (189 provided on a high-pressure fluid supply circuit, a bore formed in the body (3) and in which is mou...
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WO/2008/145440A1 |
The invention is based on a hand-held machine tool, in particular a heavy-duty hammer drill and/or chisel hammer, with a motor unit (10), with a ventilation unit (12) and with a gear unit (14, 14') and also with a machining axis (16), wh...
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WO2008070155B1 |
Tools and methods of making tools that are swung toward a work-piece are more accurate and/or safer to use because of a moveable grip provided on the tool handle. The tool handle slides through the moveable grip, with minimal or no rotat...
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WO/2008/140030A2 |
A reciprocating tool(l) includes a housing (20, 30), a driving source(21), a reciprocation conversion unit (34, 36),- and a vibration reduction mechanism (30). The driving source is accommodated in the" housing. The reciprocation convers...
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WO/2008/139039A1 |
The invention relates to a breaking hammer and a method of changing the position of the breaking hammer relative to a work machine. The breaking hammer (1 ) is fastened to the boom (3) or the like of the work machine by means of a corres...
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WO/2008/136368A1 |
A first switch operation member (153) is biased from the on position for electrifying a motor (111) to the off position for cutting off the electrification, and is normally placed in the off position. In a first drive mode, manual operat...
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WO/2008/137886A2 |
A hand tool (10) having an elongated plunger assembly (40) that is rotatably and movably disposed in a socket (24). The plunger assembly (40) can be rotated between a first orientation and a second orientation as well as being moved betw...
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WO/2008/132276A1 |
The invention relates to a coupling arrangement for coupling a drill shank (3) of a rock drill unrotatably but axially movably. The coupling arrangement comprises power transmission members (8; 8a, 8b) between the surfaces of the drill s...
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WO/2008/133584A1 |
The invention pertains to a neck adaptor at a drilling device for rock drilling. The neck adaptor is cylindrical and comprises an envelope surface, a front end surface, a central axial passage which orifices at the front end surface, and...
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WO/2008/132866A1 |
The mode selection of a hammer drill is performed by a highly durable compact structure. A clutch pin (40) is placed in a reduction shaft (34) so that the clutch pin (40) can be operated from the outside to slide it, a driven gear (38) i...
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WO/2008/133027A1 |
An electric tool (1) has a notification device (8) for performing notification to a worker and also has a control device (9) for controlling the amount of drive of a drive device (4) that rotationally drives a bit (10) and performing not...
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WO/2008/126480A1 |
A percussion tool having improved operability and workability achieved by reducing vibration caused by percussion of the tool. In a hammer drill (1), an intermediate reduction shaft (31) is placed between a reduction shaft (32) and an ou...
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WO2008033366B1 |
A power tool generally includes a housing and a motor assembly connected to a transmission assembly. The motor assembly and the transmission assembly are secured against rotation in the housing. A plurality of protrusions extends from a ...
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WO/2008/126481A1 |
A percussion tool in which attachment and detachment of a cylinder (19) for receiving a reciprocating piston (22) and a percussion piece (20) are facilitated and in which the cylinder (19) is constructed so that, in normal use, it is not...
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WO/2008/122694A1 |
The invention relates to a sound dampening housing (7) for a rock drill which moves along a feed beam in a longitudinal direction thereof, the sound dampening housing (7) being attachable to the feed beam (6) of the rock drill on its bot...
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WO/2008/122696A1 |
The invention relates to a shield structure of a rock drilling apparatus for dampening noise, the rock drilling apparatus comprising a feed beam (6) whose one end is a drilling end, whereby the drilling end of the feed beam (6) comprises...
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WO/2008/123255A1 |
A technique for an impact type work tool reduces impact force occurring in the tool and caused by bouncing of a bit after striking motion of the bit. The impact type work tool has a tool body (103), a striker (143) linearly moving in the...
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WO/2008/113874A1 |
The invention relates to a tool for roughening facing and paving in building and construction work, comprising a rotary shaft (1) connected to a motor that can be actuated using an ergonomically positioned switch and corresponding handle...
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WO/2008/111539A1 |
A percussion tool for performing specific work with a switch operation member fixed to an operation position, in which wiring routing for an electric switch for conducting electricity to a motor to drive it is facilitated. The percussion...
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WO/2008/110546A1 |
The invention relates to a handle, particularly an additional handle, for a hand tool machine with a grip element (20) and a fastening element (10) for fastening the handle to a hand tool machine, and a damping element (30) having a join...
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WO/2008/107253A1 |
The invention relates to a hand-held machine tool, in particular a hammer drill and/or chipping hammer, comprising a transmission device (12) having a drive bearing (14) that has at least one torque-transmitting means (16) with a transmi...
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WO/2008/107256A1 |
The invention relates to a hand machine tool, in particular, a hammer drill or chisel, comprising a gearbox housing (12) and a gearbox unit (14) with a switching device (16), comprising a switching spring (18) and an operating unit (20) ...
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WO/2008/107251A1 |
The invention relates to a hand machine tool with a percussion mechanism (12), comprising a striker (32) guided along a guide length (30) and a hammer piston (14) which has a contact point (16) and a working crown (18) with a working cro...
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WO/2008/107257A1 |
The invention relates to a gearbox device, in particular for a hammer drill and/or chisel, comprising an intermediate shaft (12) and at least one functional unit (14), arranged such as to be able to rotate on the intermediate shaft (12)....
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WO/2008/107232A1 |
The invention relates to a gearbox device, in particular, for a hammer drill or chisel, comprising a torque transmission means (12), having a first torque transmitting region (14) for transmission of a torque to a first component (16) an...
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WO/2008/107231A1 |
The invention relates to a hand machine tool, in particular a hammer drill or chisel, comprising an at least two-speed gearbox (12) and a switch unit (14), with at least one switching means (16) for switching between various gearbox stag...
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WO/2008/107245A1 |
The invention relates to a gearbox device, in particular, for a hammer drill or chisel, comprising a first toothed gear unit (12) and at least one second toothed gear unit (14), provided for transmitting torque to various gear stages. Ac...
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WO/2008/104409A1 |
The invention relates to a hand grip comprising a grip core (10) and a grip cover (20) disposed on the grip core (10), the cover having at least one vibration-damping means (22), and further a fastening element (30), wherein the vibratio...
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WO/2008/103095A1 |
A method for controlling a fluid operated percussive device, which inside an axially extending cylinder room (3) of a housing (2) of the percussive device includes a to and fro moveable percussive piston (1), which is adapted for perform...
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WO/2008/099886A1 |
A hammer drill in which modes of a tool bit can be changed between each other in a reasonable manner. The hammer drill has signal output sections provided corresponding to the modes and outputting an electric mode signal corresponding to...
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WO/2008/099744A1 |
To provide a power tool (1) capable of reducing an initial load applied to a spring in an initial state, and absorbing effectively a vibration in a low vibration range. An energizing apparatus is a neidhart spring that consists of a cyli...
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WO/2008/100192A1 |
Stapler (1) comprising a body (2) and a magazine (3) which in its rear portion is connected pivotably via a connecting pin (6) to said body in such a way that said magazine in its forward portion can be moved in a direction (P) into and ...
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WO/2008/095510A1 |
The invention proposes a crust breaker for breaking through a crust (17) formed on a metal molten pool (18), comprising a fluidic double-acting cylinder (10), the piston rod (14) of which is equipped with an impact element (16), and to t...
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WO/2008/097555A1 |
A power tool is provided. The power tool includes a body and a housing surrounding at least a portion of said body. The power tool also includes a first isolator positioned between the body and the housing and in contact with the body an...
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WO/2008/096788A1 |
Provided is a technique for contributing to the reduction in such an impact of an impact type work tool as is caused by the rebound of a bit after an impact action. The impact type work tool (101) comprises a tool body (103), hammer acti...
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WO/2008/092532A1 |
A tool holder (2) for a mechanical tool (1), in particular a percussion drill, comprises a tool gripper (3) into which an insert tool (4) can be inserted, and said insert tool (4) can be locked into the tool gripper by means of a locking...
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WO/2008/095073A2 |
In a valveless percussive drill of the hydraulic type and incorporating a hammer assembly, an "intermediate" shoulder between the head portion and cushion portion of a reciprocating piston engages the end face of a distributor or liner, ...
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WO/2008/094134A2 |
An impacted too, such as a jackhammer or electric hammer is proposed to be modified by a high modulus polymeric material, or metal of lower relative modulus than surrounding metal such as that of a piston. An interchangeable tool head is...
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WO/2008/090823A1 |
An impact tool has a piston (2) with a closed-bottomed tubular shape, a ram (3) slidably provided inside the piston (2), a second hammer (4) driven by the ram (3) when the ram reciprocates to strike the hammer with impact, a forward end ...
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WO/2008/085114A1 |
A rock drilling machine with a first control means (21, 22) within a second piston (6) and acting on a first piston (13) such that it counteracts displacement of the relative positions of a first and a second control device at the moment...
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WO/2008/080664A1 |
The invention relates to an electric hand power tool, in particular a hammer drill and/or jackhammer, with an electric drive motor that can be connected to a working spindle and/or a hammer mechanism by means of a transmission. According...
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WO/2008/080653A1 |
The invention relates to a striking mechanism (5) of a handheld electric power tool (1), in particular a percussion drill and/or percussion hammer (2), having a hammer cylinder (13), a piston (17) mounted with a guide section (20) inside...
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WO/2008/082707A2 |
A nail device (10) including an elongated body (11) having a handle (12) at one end of the body (11) and a nailing region (13) for adapting nail elements (16) to be mounted on the opposite end, wherein the nailing region comprises a broa...
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WO/2008/080686A1 |
The invention is based on a power tool device comprising a sensor unit (42) for sensing at least one characteristic variable that is dependent on a workpiece (28) to be worked and comprising a coupling unit (51, 90) for coupling the sens...
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WO/2008/080658A1 |
The invention relates to a hand held power tool, in particular a percussion drill, having a switch device (12) which comprises an axially displaceable intermediate shaft (14) and a gear unit (16) arranged on the intermediate shaft (14) a...
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WO/2008/077502A1 |
The invention relates to a medical device for the treatment of the human or animal body with mechanical pressure or shock waves, comprising a device for creating the pressure or shock waves, which has at least one striking member (20; 20...
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