Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 11,340

Document Document Title
WO/2019/049020A1
A dust suppression assembly (200) is to be fixed on a handheld device (100). The dust suppression assembly (200) comprises a device interface member (202) having a top end (2022) and a bottom end (2024) and an intermediate member (204) h...  
WO/2019/050428A1
The invention relates to the mining and construction industry and is directed toward increasing the operating efficiency and reliability of a hydraulic hammer by increasing heat transfer (cooling) and lowering the temperature both of the...  
WO/2019/042869A1
The invention relates to a hammer device (1), preferably a hand-operated hammer device (1), comprising a striking mechanism (13) which is designed to be able to act in a striking manner on a tool (2), preferably on a chisel (2), in the a...  
WO/2019/044453A1
The present invention addresses the problem of preventing at low cost and in a simple manner a filter from clogging. A dust collection device (20) for an electrically powered tool includes: a body case (21) having a device-side air disch...  
WO/2019/040336A1
Drilling tool (10), configured to operate in two drilling modes, respectively with and without hammer action, said tool comprising a front end (12) equipped with a rotating part for mounting a drill bit (18) by means of an SDS-type push-...  
WO/2019/039961A1
The utility model relates to the mining and construction industry and is directed towards increasing the operating reliability and working efficiency of a hydraulic hammer. This technical result is achieved in a hydraulic hammer comprisi...  
WO/2019/032709A1
A handheld combustion powered fastening tool may include a driving system that drives fasteners into workpieces in response to combustion of fuel by the driving system. A fuel delivery system may supply fuel to the driving system. The fu...  
WO/2019/024203A1
A multifunctional electric hammer (100) comprising: a housing (4), a motor (13) provided within the housing (4), a support shaft (1) driven by the motor (13), a function switching part (102), and an output part (103). The output part (10...  
WO/2019/022021A1
Provided is a hydraulic hammering device with which it is possible to achieve both an auto-stroke mechanism and an idling strike prevention mechanism with a simple circuit configuration and to easily select either of these mechanisms. Th...  
WO/2019/020108A1
Provided are a drill adapter and an electric tool mounted with the drill adapter. The drill adapter comprises: a body (100) having a mounting end for insertion into the electric tool and a receiving end for detachably receiving a drill b...  
WO/2019/016556A1
A power tool (30) comprising an impact tool (42), a body (70) and an actuator (46). The actuator (46) is operable to move the body (70) along an operational axis (38) from an impact position,at which the body (70) is operable to transfer...  
WO/2019/016231A1
The present invention provides a hydraulic percussion device comprising a piston (2) mounted for reciprocal motion within a cylinder (1) to impact a percussion bit (3) and a control valve (4) to control reciprocation of the piston (2). A...  
WO/2019/006866A1
A punch bushing, comprising: a bushing body (1). The bushing body (1) comprises a bottom lining (2), an inner lining (3), and a surface lining (4). The bottom lining (2), the inner lining (3), and the surface lining (4) are sequentially ...  
WO/2019/005707A1
A marking apparatus facilitates blind slide-mounting of an object to a mounting surface in a desired alignment using the object as an alignment template. A retention element in receipt of a post is movable against resilient bias to allow...  
WO/2019/000033A1
The present invention provides a drill assembly (11) comprising a drill (13) for drilling rock, a support (15) for supporting the drill, and a valve (17) for releasably securing the support and drill together. The valve is adapted to rec...  
WO/2019/003742A1
Provided is an electrically powered tool wherein the dislodgement of a battery pack from the electrically powered tool body can be easily prevented. A hammer drill body 10 has: a guide rail 25A which can engage with a battery pack 8 and ...  
WO/2018/228829A1
The invention relates to a system comprising a first hand-held power tool (10) and a second hand-held power tool, each having a percussion mechanism (36), a motor (26), and a transmission (28), which comprises the striking mechanism and ...  
WO/2018/224214A1
The invention relates to a clamping device for coupling a drilling tool (3) to a drill (1), comprising a cavity (10) which has a base region (10.1) and into some sections of which the free end of the drilling tool (3) can be inserted. Fi...  
WO/2018/221262A1
The purpose of the present invention is to dispose a communication adapter at an optimum position even if the power tool is small. A power tool (1) has a motor (32), a tip tool (80) driven by the motor (32) to perform a hammering operati...  
WO/2018/221107A1
Provided is an impact work machine capable of suitably controlling a drilling speed. An impact work machine (1) comprises: a motor (3) for varying the pressure in a pressure chamber (7); an impact element (8) and an intermediate element ...  
WO/2018/208867A1
A punch system (20) for producing pilot holes through standing scam type roofing (41) includes a punch (21) having a striking end (25) and a tip portion (22); and a punch guide (27) that directs and controls action of the punch (21). The...  
WO/2018/204741A1
A hammer drill comprises a drive mechanism including a spindle, a first ratchet coupled for co-rotation with the spindle, a second ratchet rotationally fixed to the housing, and a hammer lockout mechanism adjustable between a first mode ...  
WO/2018/198017A1
A backhead assembly system for a Down The Hole (DTH) hammer operated by a supply of compressed fluid, that comprises mainly a backhead, said backhead having a central hole capable of transporting the pressurized air to the hammer and an ...  
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...  

Matches 1 - 50 out of 11,340