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7617887 |
Method for casing drilling, drilling unit and adapter device
A method for casing drilling, a drilling unit and an adapter device. The adapter device to be used in extension drill equipment drilling comprises an inner piece which can be rotated by the...
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7617885 |
Drill attachment
A drill attachment for engagement and actuation of a drill apparatus having a bifurcated frame defining a first shaft and a second shaft operatively engaged to the drill apparatus at first and...
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7617883 |
Fastening devices, method of manufacture, tool, and method of use
A strip of fasteners may be provided with connecting portions between individual fasteners. Each individual fastener may include a body portion and at least one nail portion. The body portion may...
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7614459 |
Slip clutch with two-action drive system activation
A method of activating a drive system with a portable power source includes performing at least two actions between the power source and the drive system to effect activation. Performing any one of...
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7607492 |
Electric motor impact tool
An electric impact tool in which a rotating mass rotates in a forward direction to impact upon and transfer torque to an anvil, and rotates in a reverse direction opposite the forward direction in...
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7604640 |
Device and system for applying rotary impact
A device and system for applying rotational impact to screws implanted in bony tissues. Specifically, embodiments of the present disclosure may provide medical professionals the ability to apply...
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7604070 |
Arrangement for controlling percussive rock drilling
A method and a storage device including a software product for controlling percussive rock drilling, and further a rock drilling rig to which the method is applied. The rotation resistance is...
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7594547 |
Lock-out for activation arm mechanism in a power tool
A power tool, such as a nailer, having a driver, a flywheel and an activation arm for selectively driving the driver into contact with the flywheel to transfer energy therebetween to cause the...
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7578357 |
Driver with external torque value indicator integrated with spindle lock and related method
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...
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7552781 |
Power tool anti-kickback system with rotational rate sensor
A control system is provided for use in a power tool. The control system includes: a rotational rate sensor having a resonating mass and a controller electrically connected to the rotational rate...
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7527106 |
Method for operating the engine of fastening tool
A method for operating a driving tool that can be employed for driving fasteners, such as nails. The method can include: providing a housing that defines a housing cavity with a rod aperture;...
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7497271 |
Method of operating a combustion -powered tool
A combustion-powered fastener-driving tool includes a combustion-powered power source, at least one fan for associated with the power source, at least one temperature sensing device in operational...
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7467669 |
Method for governing the operation of a pneumatic impulse wrench and a power screw joint tightening tool system
A method and a power tool system are provided for performing screw joint tightening using a pneumatic torque impulse power tool that is controlled by a control unit. A torque magnitude and a torque...
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7452294 |
Training method for the use of a battering ram
A method of training a user to swing a battering ram where the user is positioned at the forward end of a training device. The training device comprises a support frame, a piston rod slidably...
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7424920 |
Method and device for impact loosening of thread joints
A method and device for detecting and responding to impact loosening of thread joints at rock drilling, in which vibrations from a drill string ( 1 ) are sensed at the same time as a rock drilling...
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7424919 |
Method for determining the angular movement of the output shaft of an impulse nut runner at tightening a screw joint
A method for determining the angular displacement of the output shaft (φ 0 ) of an impulse nut runner at tightening a screw joint to a predetermined final torque level (T f ) by an impulse nut...
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7422073 |
Ground working implement and method for introducing a working element into the ground
The invention relates to a ground working implement and to a method for introducing a working element into the ground, using vibrations. By means of a vibration generator vibrations are generated...
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7407343 |
Hydraulic-forced resonance-free vibratory sheet piling driving and extraction machine
An apparatus and method for continuously preloading during installation and removal of steel sheet piles, steel pilings, and casing piles, with a telescoping, articulated boom having a free end for...
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7407017 |
Locking mechanism
The present invention relates to a method of securing a shaft at any point along its substantially vertical axis of movement, wherein the method includes a locking device that is moveable with...
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7395871 |
Method for detecting a bit jam condition using a freely rotatable inertial mass
An improved method is provided for controlling a power tool having a rotary shaft. The method includes: disposing an inertial mass in a housing of the power tool, such that the inertial mass is...
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7377019 |
Method and apparatus for fastening together structural components
A method and apparatus for fastening a first relatively soft structural component such as a wood panel to a second relatively hard structural component such as a steel angle iron using fasteners...
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7346406 |
System and method for data retrieval in AC power tools via an AC line cord
An apparatus and method for obtaining data stored in an electronic module within a power tool over a power line cord of the tool, and without any disassembly of the tool being required. An...
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7331403 |
Lock-out for activation arm mechanism in a power tool
A power tool, such as a nailer, having a driver, a flywheel and an activation arm for selectively driving the driver into contact with the flywheel to transfer energy therebetween to cause the...
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7328751 |
Powder operated tool
A powder operated tool including a frame, a tool body and a reusable combined cartridge holder and ram rear end receiver. The frame includes an anvil section. The tool body is adjustably connected...
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7328494 |
Driving tool having piston and driver blade
A method for fixing a driver blade to a piston of a fastener driving tool having a housing, a cylinder, a piston having a piston body and a boss with a groove, extending in the axial direction, and...
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7322426 |
Method for driving a fastener with a fastener driving device having an automatic dual-mode trigger assembly
A method for operating a fastener driving device is disclosed. The method includes moving an input actuator of an actuating assembly into an operative position in response to movement of a contact...
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7322425 |
Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device
A method of generating a stress pulse, and an impact device. In the method, pressure fluid is fed as pressure pulses to a working chamber residing between the frame of the impact device and a tool...
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7318491 |
Apparatus and method for modified horizontal directional drilling assembly
An apparatus and method for a modified horizontal directional drilling assembly for drilling pipe into a drilling surface. The drilling assembly comprises a power unit for supplying power to the...
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7318485 |
Method of Controlling the direction of rotation of a power tool
The invention discloses a power tool for screwing or drilling having a motor for driving a drive shaft, a controller for controlling the power tool, a motor switch for switching the motor on and...
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7296949 |
Removal of obsolete drill platforms from inland seas and ocean floors
The present invention is a method for removing an obsolete drill platform that includes a body having a plurality of caissons embedded in a ground of an ocean or inland sea. The method includes the...
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7234536 |
Power screwdriver
A power screwdriver is disclosed having a drive which is coupled via a clutch, disengaging as a function of torque, to a tool drive shaft for driving a tool. The screwdriver comprises an electronic...
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7231989 |
Drilling control arrangement
A method and a control system for controlling rock drilling. A control unit of a rock drilling apparatus is provided with one or more control modes, each determining the drilling variables to be...
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7185712 |
Fastening tool apparatus and method for operating the engine of fastening tool
A pneumatic fastening tool assembly that employs an engine having a sliding sleeve arrangement to control the supply of air to and exhaust from the pneumatic engine. The sliding sleeve arrangement...
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7182147 |
Tool apparatus, system and method of use
A system, and a method of using a system, for controlled tool operation. The method includes providing a tool used in a force application such as a such torque application. The tool communicates...
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7172034 |
Boring control method
A boring control method for a machine tool for automatically boring a deep hole using a central control means performing boring with programmed control. In the boring, the number of processing and...
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7165630 |
Methods for manufacturing operations using non-contact position sensing
Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece,...
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7165305 |
Activation arm assembly method
A method for assembling an activation arm assembly for a power tool, such as a fastening tool or nailer. The method includes the mounting of various components of the activation arm assembly on...
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7156187 |
Electric hand screwdriver with adjustable head
An electric powered handheld screwdriver having a main body and a reaching arm. The main body has a power source, a drive motor, and a drive shaft. Attached to the outer portions of the main body...
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7124837 |
Pneumatic motor trigger actuator
A pneumatic motor trigger actuator includes a trigger housing adapted to engage a pneumatic motor trigger of a pneumatic tool. A top plate is coupled to the trigger housing. A primary valve is...
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7121357 |
Method of inserting a grounding rod
A method of inserting a grounding rod includes providing an elongated grounding rod that has an upper end and a lower end and also providing a hammer drill. An elongated tubular member has an open...
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7117955 |
Driver cap
The driver cap assembly of this invention includes a tubular body and a driver sleeve that may be positioned over and/or about an end of a shafted body. A force is applied to the driver cap such...
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7104342 |
Active rotational balancing system for orbital sanders
A system for active dynamic balancing of a rotating tool driven by a motor having a shaft supported by a first and second bearing on opposing sides of the motor includes an acceleration sensing...
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7104190 |
Method employing high kinetic energy for working of material
The present invention relates to a method for material working utilizing high kinetic energy, in which a stamp or striking body transfers, by delivering a blow, high kinetic energy to a material...
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7100705 |
Flexible power tool motor pack and method of making the same
A power tool motor pack that includes common components adapted to couple to a first component customized for a first power tool application and to couple to a second component customized for a...
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7077217 |
Hammer
An electrically powered hammer is provided comprising a housing, a spindle, a hammering mechanism including a piston reciprocatingly mounted within the spindle, a wobble drive arrangement...
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7048073 |
Fastener installation systems
A fastener installation tool to install fasteners, such as rivets, risers, standoffs, and other types of fasteners operates upon vacuum and air pressure. Fasteners are installed with minimal...
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7040417 |
Drilling systems
The present invention discloses, in certain aspects, systems and methods for producing cyclical impacts and, in certain aspects for moving a drilling apparatus for drilling a borehole in a...
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7032683 |
Rotary hammer
A rotary hammer and a power tool. The rotary hammer is operable in an idle mode and a hammer mode and comprises a housing and a barrel positioned in the housing and having a forward portion. A ram...
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7017678 |
Threaded stud insertion tool
The present invention is directed to a tool assembly for improving the insertion of threaded studs into confined spaces. The tool assembly includes a shaft having a bearing surface and defining an...
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7013984 |
Powered tool
A tool for a powered machine, having vibration damping member. A method of providing a tool having a vibration damping member arrangement, applicable to different tools, is described. Estimated...
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