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WO/2010/000341A1 |
The invention relates to a multi-gear transmission device (34), particularly a two-gear transmission device, for transferring a drive torque from an input side to an output side, comprising at least two selectable gear ratios. The multi-...
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WO/2009/156004A1 |
The invention relates to a power tool having at least one tool drive shaft (23, 323) for rotationally driving a tool insert (17, 317) changeably received in a tool receptacle of a tool holder (16, 316) and having at least one drive devic...
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WO/2009/156005A1 |
The invention relates to a method for operating power tool, particularly an electrically driven hand power tool, having at least one tool drive shaft (23, 323, 623) for directly or indirectly rotationally driving a tool insert. The tool ...
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WO/2009/156006A1 |
The invention relates to a clutch device (44, 45, 344, 345, 544, 546) having a central clutch shaft (46, 346, 546), comprising at least two clutch means (51a, 51b, 351a, 351b, 551a, 551b) transmitting a maximum limit torque between an in...
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WO/2009/157599A1 |
A hydraulic breaker assembly including a head cap, a cylinder, and a front head, which are mounted in a casing, wherein corresponding faces of the front head and the cylinder are connected by connecting pins, wherein the cylinder and the...
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WO/2009/155660A1 |
This invention relates to a power tool, an accessory and a power tool and accessory system. The power tool includes a tool body and a rotatable driven member extending forward from the tool body for gripping and rotating a working elemen...
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WO/2009/154171A1 |
Provided is a technique effective for achieving rational disposition of a vibration absorber and improved vibration suppression performance in a work tool equipped with the vibration absorber. A hammer drill (101) as the work tool perta...
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WO/2009/148375A1 |
The invention relates to an arrangement designed to be inserted in a cavity (19) in a front part (14) of a rock drilling machine with a shank adapter (16). The arrangement comprises a cartridge (1) with a flushing head (2) and a guide (3...
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WO/2009/148376A1 |
Device and method for sensing a parameter related to a position of a displaceable element (2) which is movable in an axial direction inside a housing (1) of a rock drilling machine, wherein said device includes a sensor element (4) which...
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WO/2009/145809A1 |
A noise reducing device includes a housing defining an expansion chamber therein and having a longitudinal axis along the length of the expansion chamber and a tool port in fluid communication with the expansion chamber, the tool port be...
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WO/2009/143906A1 |
The invention is based on a hammer drill and/or chisel hammer, having a percussion mechanism unit (12), a percussion mechanism housing (16) and at least one damping unit (18). The invention proposes that the damping unit (18) is arranged...
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WO/2009/140728A1 |
A hand-held power tool powered by a gas combustion mechanism comprising a first combustion chamber, a second chamber within a driving cylinder having aft and fore ends. The first combustion chamber in fluid communication with the second ...
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WO/2009/142209A1 |
A sensor unit (64) detects an actual driving signal at the time when an air pressure tool is driven. In accordance with the detected actual driving signal, a control unit (54) adds to and updates the number of actual driving times alrea...
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WO/2009/137690A1 |
An anvil assembly for a tool includes an anvil having a body with an outer periphery and a head formed on a distal end of the body. The anvil assembly also includes a sleeve surrounding at least a portion of the outer periphery of the bo...
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WO/2009/137684A1 |
A drive assembly for an impact wrench includes a tool element for working on a workpiece. The drive assembly also includes a ram rotatable about a central axis. The ram includes a ram lug spaced from the central axis. The ram lug has at ...
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WO/2009/132079A2 |
A drill rod includes a first end section, a mid-section, wherein the first end section and the mid-section are connected and wherein the first end section is manufactured using different steel than is used for the mid-section. Such a con...
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WO/2009/129611A2 |
An impact mechanism for use with a drive motor comprises a drive engaging member and a tool bit retaining member operatively inter-connected with the drive engaging member. The tool bit retaining member has a main body portion, and an an...
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WO/2009/131511A1 |
Fluid-powered percussion tool 1, comprising a housing 2 with a supply channel for pressurised fluid 3, a percussion mechanism 4, a swinging joint 5 arranged to carry the percussion mechanism 4 relative to the housing 2 at a point situate...
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WO/2009/121431A1 |
The invention relates to an electrical hand tool having at least one first component and at least one second component, wherein a spring is disposed between the two components – supported thereon directly or indirectly. According to th...
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WO/2009/121430A1 |
The invention relates to a counter-vibration device for an electrical machine tool (12) having a control unit (14), wherein the control unit (14) controls at least one counter-vibration parameter.
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WO/2009/123267A1 |
Provided is a technique for reducing the cost of manufacturing a supplementary handle provided separately from a main handle for a handheld work tool. A handheld work tool (101) includes a work tool body (103) having a tip area to which ...
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WO/2009/123533A1 |
A pneumatic percussion tool (1) for demolition and/or breaking work in for example concrete and connectable to an insert tool (2). The percussion tool has a percussion cylinder (4), a piston (5), arranged to travel in the bore of the cyl...
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WO/2009/119760A1 |
Provided is a technology effective for reducing transmission of an external force incident to violent action of a tool bit to the tool body in a working tool. A working tool for accomplishing a predetermined processing by linear motion o...
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WO/2009/118497A2 |
The invention relates to a hammer drill that comprises a shank (9) connected to at least one drill rod (12) including a tool (13) to be brought into contact with a rock to be drilled (14), a guiding device (16) for the shank (9), and a f...
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WO/2009/115268A1 |
The invention relates to a tool (1) having a feed motion and/or torque transmitting device having a mounting element (3) for receiving an anchor, threaded bolt, shear connector, or threaded bolt with anchor, said tool being secured in a ...
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WO/2009/112100A1 |
The invention relates to a hand-held power tool for predominantly percussively driven tool attachments, in particular hammer drills and/or a chisel-action hammers, comprising a percussion axis (606) and an intermediate shaft (607) that i...
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WO/2009/112101A1 |
The invention relates to a hand-held power tool for predominantly percussively driven tool attachments, in particular hammer drills and/or chisel-action hammers, comprising a percussion axis (6) and an intermediate shaft (7) that is para...
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WO/2009/112637A1 |
The invention relates to a method for handling lubricant mist used in mist lubrication, a separation conduit and, further, a rock drilling rig having a mist lubrication system provided with a separation conduit. The return flow of the lu...
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WO/2009/112098A1 |
The invention relates to a hand-held power tool, especially a rotary hammer and/or chisel hammer, comprising a vibration dampening unit (12a; 12b) having a first absorber mass unit (14a; 14b) with a first vibration dampening direction (1...
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WO/2009/109247A1 |
The invention relates to an auxiliary handle (25) comprising at least one fastening element (42) for fastening the auxiliary handle (25) to a hand-held power tool (20). In order to establish a direct or indirect form-locking connection b...
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WO/2009/109246A1 |
The invention relates to a hand-held power tool, especially a rotary hammer or impact drill, comprising a safety clutch (10) which is active in a drive train and which has a first clutch element (12) and a second clutch element (14) arra...
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WO/2009/111690A2 |
A percussion drill, and methods of using the same, including a shank in mechanical alignment with a piston- hammer and a valve in fluid communication with the piston- hammer. The percussion drill further includes an internal hydraulic da...
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WO/2009/103362A1 |
The invention relates to a handheld machine tool, in particular a hammer drill and/or chipping hammer, having an impacting unit (12) which has at least one impacting pin (14) and a guide unit (16) which is provided for guiding the impact...
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WO/2009/102221A1 |
A joint (5) for transferring rotating movements, including a bushing shaped part (7) and a polygonal rounded part (8), the polygonal rounded part (8) being located within the bushing shaped part, the bushing shaped part including a corre...
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WO/2009/101062A1 |
The invention relates to a handle, in particular an auxiliary handle (10), for controlling a hand machine-tool (1), said handle comprising at least one fixing element (12) and a grip element (14) that can be moved in relation to the fixi...
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WO/2009/101061A1 |
The invention relates to a handle, in particular an auxiliary handle (10), for controlling a hand machine-tool (1), said handle comprising at least one fixing element (12) and a bracket-shaped grip element (14) that can be moved in relat...
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WO/2009/095623A2 |
Pneumatic drill device (1) comprising an external casing (3), an assembly consisting of a cylinder and a moving piston driving a bit (9), a device for supplying the cylinder with compressed air, an air exhaust device, and an operation co...
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WO/2009/094697A1 |
There is provided a tool for manipulating an article comprising; an operative portion having a convex surface defined by a first curved segment extending substantially from a first end. The first curve segment is defined by a radius grea...
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WO/2009/092956A2 |
The invention relates to a pressurised air pick device (1) with variable control that comprises a cylinder and piston assembly (5) for actuating a picking member (7), and a distribution portion (9) with variable control (23, 25) of the p...
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WO/2009/092366A2 |
The invention relates to a hammer mechanism for a power tool, particularly for a hand power tool, especially for an electric hammer drill or an impact wrench, comprising a striker (2) that can be acted on by tensioning a spiral spring (3...
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WO/2009/083329A1 |
The invention relates to an auxiliary handle device, particularly for a hand-held power tool (12a-e), comprising an auxiliary handle (14a-e), which has a handle sleeve (16a-e) and a support element (18a-e), and a damping unit (20a-e) hav...
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WO/2009/083341A1 |
The invention relates to an auxiliary handle device, particularly for a hand-held power tool (12a-f), comprising an auxiliary handle (14a-f) and a damping unit (16a-f) having at least two damping media (18a-26a; 18b-26b; 18c, 20c; 18d-22...
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WO/2009/083314A1 |
The invention relates to an auxiliary handle device, particularly for a hand-held power tool (12a-d), comprising an auxiliary handle (14a-d) and a damping unit (16a-d) having at least one damping medium (18a, 20a; 18b, 20b; 18c; 18d, 20d...
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WO/2009/083308A1 |
The invention relates to an auxiliary handle device, especially for a hand-held power tool (12a-h), comprising an auxiliary handle (14a-h) and a damping device (16a-h) having at least one damping unit (18a-h; 26d-g; 28d-g; 30g). The auxi...
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WO/2009/083338A1 |
The invention relates to an auxiliary handle device, especially for a hand-held power tool (12a; 12b), comprising an auxiliary handle (14a; 14b) and a damping unit (16a; 16b) having at least two damping elements (18a, 20a; 18b, 22b). The...
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WO/2009/083307A1 |
The invention relates to a hand power tool (10) having a hammer and/or boring function, in particular a hammer drill, which comprises at least one drive unit and a pivotably supported tool drive shaft (28, 29) comprising a striking mecha...
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WO/2009/083304A1 |
Circular saw (30; 40; 50; 60; 65; 70; 80; 90), comprising a saw blade (36) driven in rotation about a pivot axis (37) and at least one first splitting wedge (38), wherein the circular saw (30; 40; 50; 60; 65; 70; 80; 90) is configured su...
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WO/2009/083309A1 |
The invention relates to an auxiliary handle device, especially for a hand-held power tool, comprising an auxiliary handle (12a-f) and a damping unit (14a-f). The auxiliary handle device is characterized in that the damping unit (14a-f) ...
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WO/2009/083311A1 |
The invention relates to a portable power tool, in particular a boring and/or chisel hammer, with an intermediate flange (12) and a gear unit (14) which has switch means (16) mounted on the intermediate flange (12). It is proposed that t...
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WO/2009/082322A1 |
The present invention relates to a pulse generating device for inducing a shock wave in a tool, wherein the said pulse generating device comprises an impact means (201; 301) for transferring energy to a drill string (202) connected to th...
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