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Patent Searching and Data


Matches 201 - 250 out of 11,533

Document Document Title
WO/2017/003301A1
A tool connection (9, 47) for connecting a tool (1) to a tool support (16), the tool connection (9, 47) including at least one radial shock absorber (19, 20) for at least partially absorbing shock imparted by the tool (1) via the tool co...  
WO/2017/000015A1
Because of variations in the ground and in the posts it is sometimes necessary to reduce the blow energy of the hammer. The present invention provides a device for use with a hydraulic hammer of the type that uses a back head gas chamber...  
WO/2017/002517A1
Provided is an impact tool which can be operated with increased easiness and can provide increased work efficiency. An impact tool has: a motor (31) accommodated within a housing (14); a rotation transmission mechanism (51) for transmitt...  
WO/2016/198357A1
The invention relates to a hydraulic percussion device (10a) intended to be fitted on a base vehicle, the device comprising: a housing (15) comprising a closing plate (20); a power cell (14) mounted in the housing (15); and a damper (28)...  
WO/2016/192910A1
A rock drilling shank adaptor having at least one flush hole extending radially through the body of the adaptor in communication with an axially extending internal bore. The flush hole in a direction from an external side to an internal ...  
WO/2016/196979A1
A hand-held power tool is provided that includes a housing, a motive source, a front endbell, an output shaft, a front housing, and a gear set assembly. The output shaft protrudes from an output end at the front endbell of the housing. T...  
WO/2016/193698A1
The present invention relates to a hydraulic breaker (10). The hydraulic breaker (10) comprises a casing (12) and a power cell (14) supported within the casing. The casing (2) and power cell (14) mechanically engage with each other such ...  
WO/2016/196891A1
A hand-held power tool is provided that includes a housing assembly to support a motor. An output spindle protrudes from an output end of the housing assembly such that the output spindle rotates in response to a rotation of the motor. A...  
WO/2016/178614A1
The invention concerns a damping device for a fluid-driven down-the-hole drill for the damping of the recoil from a drill bit (5A) connected to the machine, comprising a machine housing (2), an impact mechanism (3) driven by pressurised-...  
WO/2016/178587A1
There is provided a spool valve assembly with a housing defining ports, one of the ports being a fluid inlet port. The spool valve assembly has a trigger member having a channel and being selectively longitudinally slidable relative to t...  
WO/2016/173940A1
The invention relates to a control method for using a core drilling system, characterized by the following steps: detecting a predetermined drilling situation on the basis of the attainment of a predetermined threshold value for at least...  
WO/2016/170448A1
Described is an apparatus (1) for safeguarding users during use of apparatuses (2) with at least a part in motion, comprising a management device (3) of the motion in use connected to the apparatus (2) and configurable between an enablin...  
WO/2016/170866A1
The present invention provides a steel for chisels and a chisel, which have improved durability. The steel that constitutes the chisel (10) according to the present invention is characterized by comprising 0.40-0.45 mass% carbon, 0.50-0....  
WO/2016/172480A1
A rotary hammer includes a housing, a battery pack removably coupled to the housing, a brushless direct-current motor supported by the housing, and a spindle coupled to the motor for receiving torque from the motor. A piston is at least ...  
WO/2016/171854A1
A sleeve (44) is disclosed for use with a piston (46) of a hydraulic hammer (12). The sleeve may have a generally cylindrical body with a top end (28) and a bottom end (26), and a central bore (94) passing axially from the top end of the...  
WO/2016/164225A1
A gas spring (38) is disclosed for use with a hammer (12). The gas spring has a body (44) with a central axis (46), and a bore (48) aligned with the central axis and extending to at least one open axial end of the body. The gas spring al...  
WO/2016/150659A1
The invention relates to a hand-held power tool, in particular a hammer drill and/or chipping hammer, having at least one transmission housing (10a; 10b), having at least one single-stage transmission unit (12a; 12b) disposed in the tran...  
WO/2016/152921A1
Provided are a dust collector for which operability is improved and an electric tool that uses the dust collector. A dust collector (200) collects dust particles generated by machining operations by an electric tool (100) and comprises a...  
WO/2016/153364A2
From the original chipping bit which is a solid metal, a piece of carbide will be placed on tip of it as disclosed, which will be welded by copper and/or the likes by placing a piece/s of carbide using cupper weld on tip of it to protect...  
WO/2016/147143A1
The invention relates to a pneumatic impact mechanism of the kind used in a rock drill. A reciprocating piston (4, 44) is configured: to place a drive chamber (5, 41) in fluid communication with an inlet (23; 51) towards an end of a retu...  
WO/2016/148575A1
A percussive hammering assembly comprises a tool assembly (24, 25). The tool assembly (24, 25) is arranged to be oscillated in a direction (P) within a casing. An impact piston (27) is arranged slideably in a housing (28), together with ...  
WO/2016/142459A1
The invention relates to a method for the production of a tool receiving device (3), preferably for a drilling, chiseling or combination hammer, and for the arrangement of driving webs (8, 9) on the tool receiving device, said method com...  
WO/2016/142460A1
The invention relates to a method for the production of a tool receiving device (3), preferably for a drilling, chiseling or combination hammer, and for the arrangement of driving webs (9, 10) on the tool receiving device (3), comprising...  
WO/2016/133732A1
A variable damping system (122) for a power cell (118) of a hydraulic hammer (102) is disclosed. The hydraulic hammer (102) has a housing (116) and a mounting bracket (110) disposed on a top side of the housing (120). The variable dampin...  
WO/2016/127728A1
Disclosed is a damping return hammer, which comprises a handgrip (1), a first elastic damping arm (2) and a second elastic damping arm (3) arranged at the front end of the handgrip (1), and hammer heads (4, 5) respectively arranged at th...  
WO/2015/108936A8
A vibration-reducing component and an apparatus for its use. The vibration- reducing component combines an elastic member with a compression element to both resist applied forces and absorb selected vibrations. The vibration reducing com...  
WO/2016/126539A1
A protection assembly (300) for a work implement includes an outer shield member (400) and an inner shield member (500). The outer shield member (400) is spaced from a housing (202) of the work implement in a longitudinal direction and d...  
WO/2016/121458A1
An impact tool is provided in which an on-lock function is achieved using a simple mechanism, and with which switching between activation and deactivation of the on-lock function can be performed in a few operation steps. A hammer drill ...  
WO/2016/121837A1
[Problem] To provide a reasonable technique for a work tool equipped with a mechanism for minimizing vibration. [Solution] A vibration-suppressing mechanism (200) provided to a work tool (100) has a dynamic vibration absorber (210) energ...  
WO/2016/121459A1
Provided is an impact tool in which stop control of a motor, i.e. a motive power source for a tip tool, is changed in accordance with prescribed conditions. A hammer drill (1) is provided with at least two operating modes including a ham...  
WO/2016/112397A1
An orthopedic impacting tool including a motor, an energy storage chamber, a striker (25, 34), and an anvil (14). The motor stores energy in the energy storage chamber and then releases it, causing the striker to apply a controlled force...  
WO/2016/096791A1
The power tool has a tool holder (2) for holding a chiselling tool on a working axis (11), a motor (5), and a pneumatic percussion mechanism (6) driven by the motor (5). The percussion mechanism (6) has a percussion element (14) guided o...  
WO/2016/087774A1
The invention relates to a head (1) of a percussion tool comprising: • a snout (2) comprising a first hole (5) positioned along a longitudinal axis (AA), the snout (2) being configured to be removably fixed to a body of a percussion to...  
WO/2016/087426A1
The hand-held power tool has a tool holder (2) for holding a tool (4) along a working axis (12). A hammer mechanism (6) has a hammer (15) that is moved periodically along the working axis at a blow rate. A drive control (18) of the hamme...  
WO/2016/087405A1
A hand-held power tool has a tool holder (2) for holding a tool (4) along a working axis (12). A hammer mechanism (6) has a hammer (15) that is moved periodically at a blow rate along the working axis (12) between a turning point in the ...  
WO/2016/087399A1
The invention relates to a hand-held power tool comprising a tool-receiving section (2) for holding a tool (4) on a working axis (3), a pneumatic striking mechanism (6) for striking said tool (4), and an absorber (27) which consists of a...  
WO/2016/083700A1
Tool (1) for packing ballast comprising a body, a combustion engine (4) mounted on the body, a casing in which the engine (4) is housed, said combustion engine comprising at least an intake region for air entering for the purposes of coo...  
WO/2016/077947A1
Provided is a multifunctional vehicle-mounted window breaker, comprising a housing, a window-breaking mechanism (11), a hand-crank recharging mechanism (12), a lighting mechanism (13), a safety belt cutting mechanism (14), and a circuit ...  
WO/2016/079108A1
The control method for a hammer drill (1) provides the following steps. In basic operation, the motor (5) rotates at an operating speed for drill bit operation to rotatingly drive the tool receptacle (2) and to drive the striking mechani...  
WO/2016/077946A1
Provided is a multifunctional vehicle-mounted window breaker (100), comprising a housing (10), a window-breaking mechanism (11), a lighting mechanism (13), a vehicle-mounted charging mechanism (12), a safety belt cutting mechanism (14), ...  
WO/2016/076377A1
[Problem] To provide an improved technique with which striking output can be made more efficient. [Solution] The device has a main body 101, and a striking element 140 for driving a distal end tool 119 in a prescribed long-axis direction...  
WO/2016/066922A1
The invention relates to a percussion apparatus (2) which includes a striking piston (5), a control valve (11) arranged to control an alternating movement of the striking piston (5), and an operating device (15) arranged suo as to vary t...  
WO/2016/067806A1
 Provided is a jackhammering operation machine with which it is possible to execute control according to operating conditions. This jackhammering operation machine (10) converts rotary force of a brushless motor (30) to jackhammering f...  
WO/2016/067997A1
In order to provide a powered working machine with which the transmission of vibrations from a housing to a control substrate can be suppressed, this electric working machine 10, which operates a distal tool using power from a brushless ...  
WO/2016/059032A1
The invention relates to a chisel hammer 1 having a tool holder 2 for holding a tool on a work axis 14, a motor 5, a machine housing 19, and a percussion element 6. The percussion element 6 has a hammer 12 and an anvil 18 which is arrang...  
WO/2016/060861A1
A downhole apparatus connected to a workstring within a wellbore. The workstring is connected to a bit member. The apparatus includes a mandrel operatively connected to a downhole motor mechanism, an anvil member operatively formed on th...  
WO/2016/059017A1
The invention relates to a hand-held chiselling machine tool 1 comprising a motor 5 and a pneumatic percussive mechanism 6 that is driven by the motor 5. The user can select between at least two idling rotational speeds by means of a sel...  
WO/2016/042234A1
The invention concerns a hydraulic drilling apparatus (2) comprising: a housing (3) comprising a front portion (4); a shank (6) comprising a fluid injection conduit (12) and intended to be coupled to at least one drill rod provided with ...  
WO/2016/040022A1
A thrust ring (50) is provided that includes: an annularly shaped body (36) defining an interior hole (35) having a diameter; an annularly shaped insert (40) defining an exterior diameter sized similarly to the interior hole (35) diamete...  
WO/2016/031719A1
Provided is an electric working machine in which a control board can be disposed without being restricted by the length of a brushless motor in the axial direction. As an electric working machine having a brushless motor 30 provided with...  

Matches 201 - 250 out of 11,533