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Matches 1 - 50 out of 11,279

Document Document Title
WO/2018/180832A1
Provided is a compressed-air-driven chisel whereby the diameter of a needle holder can be reduced. In the present invention, an annular recess (22a) for backward movement driving is provided on an outer circumferential surface of a needl...  
WO/2018/177355A1
Disclosed are a dust collecting device and an electric tool. The dust collecting device comprises a shell (20), an air inlet tube (221), a cyclone tube (222), an air duct tube (223), and a vent tube (224); an accommodating cavity (201) f...  
WO/2018/167135A1
A hydraulic power control circuit for a construction vehicle, having a control section comprising: A first control valve (1) connectable to a source of hydraulic fluid under pressure (P1, P2, LSP) to control a power actuator (B) of the v...  
WO/2018/169194A1
A glass breaking apparatus, according to the first embodiment of the present invention, comprises: a main body part attachable to glass and having a through-hole on a portion making contact with the glass; a drive part mounted in the mai...  
WO/2018/163139A2
Device for holding staples and/or nails with a magnet comprising a supporting handle, made of wood or rubber to which magnets are attached or embedded, a ring at one end into which magnets are arranged for holding staples or nails and at...  
WO/2018/159171A1
Provided is an impact work machine that is able to suppress movement of an end tool in a radial direction with respect to a holding tool. This impact work machine has: a tubular holding tool 23 that holds a held portion 86 of an end tool...  
WO/2018/149746A1
The invention relates to a tool bit (1) for a hand-held power tool for machining mineral construction materials, which tool bit has a shaft (2), an insertion end (7), and a tool bit head (3). The shaft, which is made of steel, is cylindr...  
WO/2018/136986A1
The invention relates to a decoring hammer (1) for decoring castings, comprising: - a housing (2) with a gas inlet opening (3) and a gas outlet opening (4); - a quill (9) movably held in the housing (2), with an impact piece (12) arrange...  
WO/2018/131689A1
The present invention increases a hammer output by setting piston stroke to short stroke while maintaining hammering energy without changing a hydraulic circuit arrangement. This hydraulic hammering device is provided with: a piston fron...  
WO/2018/128765A1
An impacting apparatus includes a spring anvil assembly and a drive mechanism that altematively engages a the spring anvil assembly to actuate the spring anvil assembly to store potential energy in the spring anvil assembly, and which dr...  
WO/2018/119129A1
A demolition device support has an elongated body that includes a base frame, a base frame support member, and an upper support member. The base frame is fixedly attached to the base frame support member, which is pivotably connected to ...  
WO/2018/108654A1
The invention relates to a hand-held power tool having a tool holder for holding a chiseling tool, a tool housing (16), and a impact mechanism (12) having an impact body (22), which is moved on a longitudinal axis (5), for impacting the ...  
WO/2018/108658A1
The invention relates to a control method for a percussive hand-held power tool (1), said method comprising the following steps: detection of a switching state of an operating switch (12), detection of a temperature T using a temperature...  
WO/2018/103988A1
The invention relates to a power tool (1), in particular a hammer drill and/or chipping hammer, containing a percussion mechanism (12) having a percussion body (13) for generating a percussive pulse on a tool (11), said percussion body (...  
WO/2018/091791A1
This percussion apparatus (2) comprises a body (3); a tool (7) comprising a mounting portion (8) slidably mounted in the body (3) and a striking piston (6) mounted so as to be movable with reciprocating motion in the body (3) and arrange...  
WO/2018/091767A1
The invention relates to the driving cylinder (10) of a pile driving rig. In the driving cylinder according to the invention, the solenoid valve (33) controlling the operation of the driving cylinder is a slide valve (33) which is locate...  
WO/2018/073092A1
A control process of a borehole flushing module (2) for a chiseling tool (5) involves the steps of: providing fine-grain particles in a dispenser (31); having a material detector (37) identify a material (M) at a location processed by th...  
WO/2018/073214A1
The invention relates to a control method for a dust extraction module (2) for a chiselling tool (5), having the steps of: drawing in an air flow Q from a location, machined by the tool (5), of an underlying surface (31) by means of a fa...  
WO/2018/069596A1
This percussion apparatus (2) comprises a striking piston (5) mounted with the ability to move inside a piston cylinder (4) and designed to strike a tool (6); and a guide bearing (15) comprising a guide surface (16) configured to guide t...  
WO/2018/061387A1
This rotary impact tool (1) is provided with: a main hammer (20) which is capable of rotating around a rotational axis of a spindle (11), and which is capable of moving in the direction of the rotational axis; a first cam structure in wh...  
WO/2018/062609A1
Provided is a tool assembly for an electric power tool, comprising: a housing; an electric motor disposed in the rear of the housing; a first planetary gear unit meshing with a motor output end of the electric motor; a hammer part couple...  
WO/2018/061388A1
This rotary impact tool (1) is provided with: a main hammer (20) which is capable of rotating around a rotational axis of a spindle (11), and which is capable of moving in the direction of the rotational axis; a first cam structure in wh...  
WO/2018/049502A1
A tool including a handle, a head, and a flexible shaft including a plurality of shaft members each connecting the handle with the head. The shaft members include at least one fixed shaft member and at least one floating shaft member. Ea...  
WO/2018/043175A1
The purpose of the invention is to provide a hydraulic striking device for which striking characteristics can be easily changed. Provided is a hydraulic striking device, wherein: a reverse operation circuit (101) and a forward operation ...  
WO/2018/044347A1
A motor-driven orthopedic impacting tool is provided for orthopedic impacting in the hips, knees, shoulders and the like. The tool is capable of holding a broach, chisel, or other end effector, which when gently tapped in a cavity with c...  
WO/2018/044348A1
A motor-driven orthopedic impacting tool is provided for orthopedic impacting in the hips, knees, shoulders and the like. The tool is capable of holding a broach, chisel, or other end effector, which when gently tapped in a cavity with c...  
WO/2018/029022A1
The invention relates to a tool bit (1) has a shaft (2), an impact surface (5), a tip (3), a longitudinal axis (7), which extends through the impact surface (5) and the tip (3), and a working section (6). The working section (6) has a tr...  
WO/2018/029026A1
An auxiliary grip 31 for a chiselling power tool 1 has a sleeve-shaped main body 20, a gripping surface 27 around which a hand engages, and at least one ring-shaped or hollow cylindrical sealing element 32 on an inner surface 21 of the m...  
WO/2018/029024A1
The tool holder (2) according to the invention for a hand-held power tool has a main body (18), one or more locking bodies (21), and an actuation ring (22) which is arranged movably on the main body (18) between a locking position and an...  
WO/2018/029025A1
The invention relates to a hand-held power tool 1 with a tool holder 2 for holding a tool 3 and a pneumatic percussive mechanism 8 for periodically generating percussions on the tool 3 held in the tool holder. The percussive mechanism 8 ...  
WO/2018/024666A1
The flat chisel (1) according to the invention has a longitudinal axis (7), a shank (2) and a sheet-like working section (5). The shank (2) has a striking surface (4) perpendicular to the longitudinal axis (7). The working section (5) ha...  
WO/2018/021433A1
A strike-transmitting mechanism converts the rotational motion of a first rotating gear (21) to a reciprocating motion and transmits a striking motion to a tip tool (12). A first clutch member connects and disconnects the first rotating ...  
WO/2018/021641A1
The present invention relates to a hydraulic hammer and a construction apparatus comprising same, the hydraulic hammer comprising: a cylinder; a piston; a backward port connecting a front chamber of the cylinder to a hydraulic source; a ...  
WO/2018/021643A1
The present invention relates to a method for monitoring a hydraulic hammer, and a system performing same. A monitoring system, according to one aspect of the present invention, comprises a hammer and a monitoring device. The hammer comp...  
WO/2018/021930A1
The invention relates to the mining and construction industries and is designed to increase the operating efficiency of a hydrohammer and simplify the design thereof. The indicated technical result is a hydrohammer, which comprises a pre...  
WO/2018/021642A1
The present invention relates to a hydraulic hammer and a construction apparatus comprising same, the hydraulic hammer comprising: a cylinder; a piston; a backward port connecting a front chamber of the cylinder to a hydraulic source; a ...  
WO/2018/020283A1
A motion conversion device, suitable for both the transmitter and converter functions, selecting between those at will; the device consists of a rotor (1), the part that performs reciprocating motion (2), the motion conversion device con...  
WO/2018/020839A1
A first clutch member connects and disconnects a first rotating gear (21) and a strike-transmitting mechanism. A second clutch member connects and disconnects a second rotating gear (31) and a rotation-transmitting mechanism. An operatio...  
WO/2018/007152A1
The invention relates to a hand-held power tool (1) having a tool holder (2) for holding a tool, an electric motor (6), a shaft (16), which connects the tool holder (2) and the electric motor (6), and a guard device (14) for stopping the...  
WO/2018/001801A1
The invention relates to a drill head (2), comprising a tip (12), a vertical axis (6) running through the tip (12) and at least four cutting edges (10), each of which has a chisel edge (11). The chisel edges (11) of at least three of the...  
WO/2018/003668A1
Provided is a two-piston hydraulic striking device that has stable operativity. This two-piston hydraulic striking device (100) comprises two striking mechanisms (200, 300) to strike one transfer member (105). Each striking mechanism (20...  
WO/2018/000100A1
A device for re-securing or applying railroad anchors for improving the efficiency of a railroad worker. The disclosure provides a means for clearing railroad ballast and driving an anchor spike, in a single combined tool. The disclosure...  
WO/2017/222210A1
The present invention relates to a hydraulic impact device and, more particularly, to a hydraulic impact device capable of automatically switching an impact stroke in accordance with a state of bed rock in the ground and, when the impact...  
WO/2017/220561A1
A hand-held machine tool (1) comprises a tool holder (2) for holding and locking a tool (3), a pneumatic percussion mechanism (8) and a motor (12). The pneumatic percussion mechanism (8) has, on a working axis (4), a driving piston (13),...  
WO/2017/217905A1
The invention related to a method for determining efficiency of a drilling process comprising the steps of: transferring (s510) energy via a tool member (232, 234) to the material in which drilling is to be performed by means of a drilli...  
WO/2017/207852A4
A linear drive ripper which is flat and which comprises therein a drive assembly (2) with a crankshaft (6) and a rod-counterweight assembly (12) linked to the crankshaft (6) and configured to move linearly along a receptacle (9) arranged...  
WO/2017/207852A1
A linear drive ripper which is flat and which comprises therein a drive assembly (2) with a crankshaft (6) and a rod-counterweight assembly (12) linked to the crankshaft (6) and configured to move linearly along a receptacle (9) arranged...  
WO/2017/208614A1
Provided is an electric tool with a part that has a combination of multiple characteristics. A hammer drill (1), which is an example of the electric tool, is provided with a tool holder (8) comprising a front section (100) that is made o...  
WO/2017/203804A1
An inner-flanged bushing (60) is a bushing for a hydraulic breaker, is formed in a cylindrical shape having an inner flange (61), and is made of a steel comprising 0.55-0.70 mass% of carbon, 0.15-0.35 mass% of silicon, 0.4-0.9 mass% of m...  
WO/2017/198882A1
The invention relates to a hammer with a protector, which comprises a hammer head (3), a handle (2) and a protector (1) that fits on the end of the handle (2) close to the hammer head (3), the protector (1) being in the form of a capsule...  

Matches 1 - 50 out of 11,279