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8181713 |
Preloaded drop hammer for driving piles
A drop hammer for driving a pile. The drop hammer of the present invention comprises a housing member, a ram member, a helmet member, and a lifting system. The housing member defines a housing...
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8181712 |
Nose piece for inserting fixing elements into predefined seats
A nose piece for inserting fixing elements into predefined seats in a work piece includes a drive channel for receiving a lower end of a drive rod. The drive rod is movable from an initial upper...
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8172002 |
Methods of controlling hydraulic motors
A hydraulic control system includes a first motor, a second motor, a pump operatively associated with the first motor, a first coupling valve operatively associated with the second motor, first...
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8162073 |
Nailer with brushless DC motor
A device for impacting a fastener in one embodiment includes a drive mechanism configured to impact a fastener, a lever arm pivotable between a first position and a second position, and a motor...
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8162074 |
Ergonomic hand-held power tool and methods of use
An ergonomically enhanced electric power tool is disclosed that incorporates a new type of user grip and control system. This grip and control system is housed in a substantially rigid...
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8157148 |
Surgical stapling apparatus with locking mechanism
The present disclosure provides for a loading unit for use with and/or supportable on a distal end of a surgical stapling apparatus. The loading unit includes a housing portion including a distal...
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8151899 |
Method and device for rock drilling
A method for producing Shockwave pulses in a tool direction (R) of a pulse machine (1) having a housing (2), wherein an impulse piston (4) is arranged, wherein the impulse piston is influenced by a...
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8141761 |
Setting device, method and apparatuses for feeding fastening elements
The present invention discloses a feed apparatus, a feed channel and a setting device, that is used in connection with these specific apparatuses. The feed apparatus uses either a strip magazine or...
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8136606 |
Cordless nail gun
A device for impacting a fastener in one embodiment includes a frame, a motor mounted to the frame and including a drive shaft defining a drive shaft axis, a lever arm including a pivot axis...
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8122974 |
Apparatus for drilling machine alignment
Apparatus for controlling a drilling machine to drill a series of parallel holes, where the drilling machine comprises a carrier vehicle movable over the terrain, a boom mounted on the vehicle for...
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8118205 |
Fastening device
In accordance with an embodiment of the present invention, a fastening device such as, for example, a forward acting stapler, is provided that includes a manually operable latch in order to store...
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8118112 |
Rock breaking device, protection valve and a method of operating a rock breaking device
A hydraulic rock breaking device, a protection valve and a method of operating a hydraulic rock breaking device. The rock breaking device comprises a percussion device to which pressure fluid is...
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8096368 |
Fence post installation and anchoring system
A hand-driven receiving bracket for galvanized or steel pipe used with yard fences, gateposts, pet pens, and the like comprises a round galvanized pipe and three (3) downwardly directed triangular...
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8091649 |
Pneumatic screw driver and stop control method for air motor in pneumatic screw driver
A pneumatic screw driver includes: a tool body; a nose portion; a main air chamber; a hammering cylinder; a driver bit integrally combined with a hammering piston in the hammering cylinder; an air...
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8087472 |
Vibration dampening system for a power tool and in particular for a powered hammer
The present invention relates to a method for controlling a power tool comprising a housing, an electric motor, a tool holder for supporting a tool bit and a conversion mechanism for converting the...
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8087473 |
Mobile self-erecting directional drilling rig apparatus
An apparatus and method for horizontal drilling are provided. The apparatus has: (A) a thrust frame; (B) a carriage on the thrust frame; (C) a wheel truck, wherein a rearward portion of the thrust...
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8069928 |
Percussion device, drilling machine including such a percussion device and method for controlling such a percussion device
A percussive device and method having, inside a machine housing (3), a reciprocally moveable percussive piston (2), the movement of which is controlled by a control valve (5), which is arranged to...
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8061435 |
System for mounting a pile driver
A system for mounting a lead assembly on a construction machine including a set of leads having a driver that is slidably mounted to the set of leads. The system further includes at least one...
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8061434 |
Percussion device
A method for controlling the operation of a pressure fluid operated percussion device and to a pressure fluid operated percussion device. The method includes influencing the shape of a stress wave...
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8051919 |
Fastening tool with automatic feeding of wire-collated fasteners
A method for loading coil collated fasteners into a fastening tool. The method includes providing internal access to the fastening tool by moving a door structure and a portion of a canister to...
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8047302 |
Drilling and/or striking hammer with a lubricating device
Disclosed is a drilling and/or striking hammer that includes a lubricating device having a lubricant reservoir and a volume of lubricant contained therein. The lubricating device conveys lubricant...
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8033345 |
Apparatus and method for a drilling assembly
A drilling assembly for drilling pipe into a drilling surface using a drill bit. The drilling assembly comprises a power unit, a thrust frame, a means for moving the thrust frame, a rotary and...
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8033342 |
Method of mounting a tool
A device and method for temporarily mounting a tool to a member such as an upright board without the need for any prior attachments to the board. A member securing element attached to the tool is...
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8025106 |
Method for tightening a screw connection and screw driving tool
Disclosed is a method for screwing in and tightening a screw connection (1) to a predetermined tightened level (2), especially a predetermined torque level (2) or a predetermined pretension level,...
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8020630 |
Swinging weight assembly for impact tool
A swinging weight assembly for an impact tool includes an anvil having an impact jaw that is reinforced with a circumferential flange. A hammer includes a hammer lug and a cam lug for pivoting the...
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8016046 |
Combustion power source with back pressure release for combustion powered fastener-driving tool
A combustion tool includes a cylinder having a lower end provided with a resilient bumper, a piston dimensioned for reciprocation within the cylinder to impact the bumper at an end of the cylinder...
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8011441 |
Method for controlling a fastener driving tool using a gas spring
A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed...
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8006776 |
Sliding pressure control valve for pneumatic hammer drill
A pneumatic device control apparatus and method comprising a ported valve slidably fitted over a feed tube of the pneumatic device, and using a compliant biasing device to constrain motion of the...
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7987918 |
Electric hand-held power tool
An electric hand-held power tool has a housing, a double-shelled handle attached axially to the housing, a selector ring pivotably located in the housing, and an actuating element supported by the...
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7958944 |
Discontinuous drive tool assembly and method for detecting the rotational angle thereof
A discontinuous drive power tool assembly for generating rotational torque includes a spindle having a first end portion and a second end portion. The first end portion of the spindle is configured...
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7954557 |
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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7934565 |
Cordless nailer with safety sensor
A device for impacting a fastener in one embodiment includes a lever arm pivotable between a first position whereat a flywheel is spaced apart from a drive mechanism and a second position whereat...
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7934566 |
Cordless nailer drive mechanism sensor
A device for impacting a fastener in one embodiment includes a lever arm pivotable between a first position whereat a flywheel is spaced apart from a drive mechanism and a second position whereat...
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7926584 |
Hand-held power tool with air spring percussion mechanism, linear motor, and control process
A hand-held power tool (1) includes a linear motor (2) having a rotor (3) which is movable along a percussion axis (A) in an axially limited manner between two reversal points (W) and which can be...
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7918375 |
Pneumatically operable fastener-driving tool and seal mechanism assembly, and a method of operating the same
A pneumatically operable fastener-driving tool and seal mechanism assembly, and a method of operating the same, comprises the use of a single, annular seal member, having a substantially V-shaped...
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7891437 |
Method for breaking rock
The invention relates to a method for breaking rock to be drilled in rock drilling, in which method the rock to be drilled is subjected to successive stress pulses via a tool. The method comprises...
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7861798 |
Needle gun
A hammer device in the form of a needle gun. The gun includes a cylinder housing containing a cylinder, in which a flying piston is displaced and an anvil, against which the piston strikes. A...
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7861796 |
Method of operating drill with solid state speed control
A method of operating a hand power tool in one embodiment includes generating a variable speed control signal with a solid state switch that corresponds to a selected speed for a motor, generating...
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7841803 |
Device for rock bolting and for automized rock bolting and rock bolting method
A device for rock bolting with an adapter device (10) for connection of a drilling machine (3) to a self drilling rock bolt (7), in which the adapter device has an adapter element (14) which is...
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7836969 |
Method for controlling pressure fluid operated percussion device, and percussion device
The invention relates to a method for controlling a pressure fluid operated percussion device comprising a working chamber for pressure fluid and in the working chamber a transmission piston...
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7836970 |
Impact fastener tool with cap feed
A manually swingable hammer-type stapling tool having an elongate housing having a striker movably mounted thereon. A staple driving blade is mounted on the housing and movable relative to the...
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7836968 |
Power tool with improved start actuator
A power tool system includes a two-handed power tool having first and second start actuators, one for each hand of an operator. A controller prevents the power tool from initiating an operating...
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7832495 |
Tool retention apparatus and method
A tool assembly provided with a housing defining a chamber, and a reciprocating work tool arranged in the chamber, is disclosed. A tool retention member has an aperture through which the work tool...
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7823652 |
Portable tool with a hand-gripped controller and method of using a portable powered tool
A portable powered tool having an elongate housing with a central axis, a working component on the elongate housing, a drive for the working component on the elongate housing and having different...
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7806198 |
Hybrid impact tool
A power tool with a motor, a transmission and a rotary impact mechanism. The transmission receives rotary power from the motor and includes a transmission output member. The rotary impact mechanism...
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7784560 |
Cap assembly of a fastener-driving tool having switch mechanism incorporated therein for switching modes of operation of the fastener-driving tool
A fastener-driving tool is provided with a cap assembly which includes a switch mechanism that permits the tool to be operated in one of two firing modes of operation. The switch mechanism...
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7784561 |
Ground drilling hammer and the driving method
Disclosed herein is a pneumatic operated hammer for rock drilling, the hammer comprising a cylindrical casing, a back head mounted at an upper portion of the casing, a check valve for...
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7770660 |
Mid-handle drill construction and assembly process
A power tool can include a gear case, a motor having first and second sets of lead wires, a housing assembly, and a field case. The field case may include a front portion configured for engaging...
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7770658 |
Control method and control unit for impact type screw fastening device
An object is to improve accuracy of tightening torque and to shorten time necessary for fastening a screw in an impact type screw fastening device that uses an electric motor as a rotation driving...
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7770659 |
Rotary drive assembly for a drill rod
The invention relates to a rotary drive assembly for a drill rod having an outer tube and an inner rod extending at least in sections inside the outer tube, comprising a first gear unit having at...
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