Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 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 position, through a first intermediate position, to a lower position wh... | 05/22/2012 |
| 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 chamber and a vent port defining a preload position. The ram member is su... | 05/22/2012 |
| 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 parallel valves operatively associated with the second motor, and a firs... | 05/08/2012 |
| 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 including a plurality of permanent magnets mounted on a rotatable housin... | 04/24/2012 |
| 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 control-housing sheath, which provides enhanced leverage and control over the dri... | 04/24/2012 |
| 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 first force in a direction opposite to said too... | 04/10/2012 |
| 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 parallel with the drive shaft axis, a flywheel rotatably mounted on the lev... | 03/20/2012 |
| 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 fed along an inlet channel. The inlet channel is provided with a protec... | 02/21/2012 |
| 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 steel plates. The bracket is then driven into the ground such that th... | 01/17/2012 |
| 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 motor; a valve housing provided in an air passage between the main ai... | 01/10/2012 |
| 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 rotational movement of the output shaft of the motor into a reciproc... | 01/03/2012 |
| 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 frame can be supported in a lowered position on the wheel truck; (D) ... | 01/03/2012 |
| 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 alternatively connect a chamber to a pressure so... | 12/06/2011 |
| 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 lifting component for engaging the driver and moving the driver on the lea... | 11/22/2011 |
| 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 by setting a suitable clearance between a transmission piston and a t... | 11/22/2011 |
| 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 load the coil collated fasteners. ... | 11/08/2011 |
| 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 to at least one a transmission system within the hammer's housing, a ... | 11/01/2011 |
| 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 secured to the upright board when gripping surfaces engage opposite si... | 10/11/2011 |
| 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, with the aid of a hand-held screwing tool (3 | 09/27/2011 |
| 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 and having a driver blade depending therefrom for impacting fasteners... | 09/13/2011 |
| 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 gas is used to quickly force a piston through a driving stroke movemen... | 09/06/2011 |
| 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 valve to provide asymmetric timing for extended pressurization of a po... | 08/30/2011 |
| 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 selector ring and swivelable manually. The housing and the handle hav... | 08/02/2011 |
| 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 to engage and rotate an object. The tool assembly also includes a pu... | 06/14/2011 |
| 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 with a controller which can communicate with the tool, and to a display... | 06/07/2011 |
| 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 the flywheel can contact the drive mechanism, a motor operably connect... | 05/03/2011 |
| 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 the flywheel can contact the drive mechanism, a lever arm solenoid for... | 05/03/2011 |
| 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 driven by the striking piston (5) of the ... | 04/19/2011 |
| 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 stress pulses being exerted on the rock at a high frequency, and the ... | 02/22/2011 |
| 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 a pulse width modulated (PWM) signal corresponding to the variable sp... | 01/04/2011 |
| 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 cycle unless both actuators are turned ON to reduce the possibility of t... | 11/23/2010 |
| 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 installed movably with respect thereto so as to enable a tool installed in ... | 11/23/2010 |
| 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 striker along a staple discharge path when the striker impacts against a ... | 11/23/2010 |
| 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 extends. Engaging structure including mutually engaging protrusions o... | 11/16/2010 |
| 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 states, and a control with a grip that is configured to be grasped by ... | 11/02/2010 |
| 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 has a first spindle, a second spindle, a hammer and an anvil. The se... | 10/05/2010 |
| 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 comprises a two-position switch mechanism such that when the switch mechanism... | 08/31/2010 |
| 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 least a first drive unit for driving the inner rod in a rotating manne... | 08/10/2010 |
| 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 source. A control method for the impact type screw fastening device t... | 08/10/2010 |
| 7721816 | Drilling/bolting machine having a manual operator input device with enable switch and related methods This invention relates to the control of a machine for performing drilling or bolting operation, such as in an underground mine. In one aspect, the invention comprises a system including an input device for manually controlling at least one aspect of the drilling or... | 05/25/2010 |
