Abstract: A cutter for cutting a linear element includes a support frame, a pair of blade holders disposed opposite to each other and movably disposed on the support frame, a pair of blades facing each other and each disposed on one of the pair of blade holders, a pair of holding blocks facing each other and each disposed on one of the pair of blade holders, and a driving device disposed on the support frame. The driving device drives the pair of blade holders to move synchronously in a direction approaching each other or a direction separating away from each other. The pair of holding blocks clamp the linear element and the pair of blades cut off the linear element clamped by the pair of holding blocks while the pair of blade holders move synchronously in the direction approaching each other.

Abstract: A power tool includes a cutting unit configured to perform a cutting action, and a cutting action input unit configured to turn the cutting action on and off. The cutting action input unit is configured to, when the cutting action input unit is turned on, cause the cutting unit to move in a direction of an end position of the cutting action, and when the cutting action input unit is turned off, cause the cutting unit to stop moving in a case where the cutting action has not ended at a time when the cutting action input unit is turned off, and move in a direction of a standby position at which the cutting unit was located prior to a start of the cutting action in a case where the cutting action has ended at the time when the cutting action input unit is turned off.

Abstract: The disclosure relates to an apparatus (10) for removing, at least in sections, at least one constituent part (6, 7) of a cable arrangement (1), comprising: —a positioning unit (11) having an insertion region (12), into which an end region of a cable arrangement (1) can be inserted; —an air stream supply device (64), which is designed to direct an air stream onto the cable arrangement (1); and—a processing unit (16), which can be displaced relative to the positioning unit (11); wherein a cutting region (50) is provided at at least one of the processing unit (16) and the positioning unit (11); and wherein the cutting region (50) is arranged in such a way that, in the context of the relative displacement, a predetermined constituent part (6, 7) of the cable arrangement (1) can be brought into contact with the cutting region (50) in order to separate, at least in sections, said constituent part (6, 7) from the cable arrangement (1).

Abstract: Systems and methods for grounding power generation systems with silicon carbide MOSFET power converters are provided. A power generation system can include a power generator comprising a multiphase rotor configured to generate multiphase alternating current power at a first voltage and a power converter comprising one or more silicon carbide MOSFETs and an isolation transformer. The power converter can be configured to convert the multiphase alternating current power from the power generator at the first voltage to multiphase alternating current power at a second voltage. The power generation system can be electrically grounded to shunt a leakage current associated with the isolation transformer of the power converter to a ground.

Abstract: A working head for a hydraulic power tool including a head frame and a first moveable die head configured to move along the working head frame. The first moveable die head configured to receive a first moveable die comprising a first body length. A second die head is adapted to receive a second die comprising a second body length. The first body length of the moveable die is different from the second body length of the stationary die.

Abstract: A power cut off device includes a case and an actuator disposed in the case. The actuator includes a driver movable relative to the case. Specifically, the driver can move relative to the case between a first driver position and a second driver position. The power cut off device also includes a cutter defining a conductor receiving opening. The cutter is movably disposed in the case. Consequently, the cutter can move relative to the case between a first cutter position and a second cutter position. The cutter is operatively coupled to the actuator such that the driver is configured to drive the cutter from the first cutter position to the second cutter position when the driver moves from the first driver position to the second driver position in order to cut an electrical conductor disposed in the conductor receiving opening.

Abstract: A DC power transmission system is configured to generate an electric field including components substantially constant with respect to time and varying with time. The DC power transmission system includes an AC stage configured to receive AC electrical power. The AC stage includes a transformer including primary windings and secondary windings configured to be electromagnetically coupled to, and electrically isolated from, each other. The AC stage also includes an AC/AC converter having substantially no insulating features against the at least one substantially constant component of the electric field. The AC/AC converter is electrically coupled to the primary windings. The DC power transmission system also includes an AC/DC conversion stage positioned downstream of the AC stage. The AC/DC conversion stage includes an AC/DC rectifier configured to convert AC electrical power to DC electrical power without external control. The AC/DC rectifier is coupled to the secondary windings.

Abstract: A tool head using a scissor style pair of jaws is described. The jaws may be provided with cutting, pressing, crimping, or other functional surfaces. The tool head includes a linearly positionable member which is engaged with the jaws. Upon linear displacement of the member, the jaws are pivotally displaced.

Abstract: A surgical tool includes a drive assembly including a head assembly and a cutting assembly coupled to the drive assembly. The cutting assembly includes a first blade having a first cutting surface and a first contact surface. The cutting assembly also includes a second blade pivotally coupled to the first blade. The second blade has a second cutting surface and a second contact surface. The first and second contact surfaces define a constant travel ratio.

Abstract: A structurally integrated high pressure, hydraulic hand-held tool for cutting the hooves on horses. The tool includes a handle, with a hydraulic flow line provided centrally therethrough, a chamber integrated into the upper end of the handle, the chamber comprising a piston, so that as hydraulic fluid is exerted into the handle chamber, it forces the piston upwardly and out of the handle chamber, and at the upper end of the tool are a pair of mounts, that pivotally connect a pair of opposing jaws, each jaw having a cutting blade, and including links and a clevis that pivotally move the jaws and their cutting blades into a cutting action upon the horse hooves.

Abstract: An apparatus for clipping a protrusion of material is provided. The protrusion may, for example, be a bolt head, a nut, a rivet, a weld bead, or a temporary assembly alignment tab protruding from a substrate surface of assembled components. The apparatus typically includes a cleaver having a cleaving edge and a cutting blade having a cutting edge. Generally, a mounting structure configured to confine the cleaver and the cutting blade and permit a range of relative movement between the cleaving edge and the cutting edge is provided. Also typically included is a power device coupled to the cutting blade. The power device is configured to move the cutting edge toward the cleaving edge. In some embodiments the power device is activated by a momentary switch. A retraction device is also generally provided, where the retraction device is configured to move the cutting edge away from the cleaving edge.

Abstract: A power tool includes a motor, a pipe holder configured to support a pipe, and a cutting mechanism coupled to the pipe holder. The cutting mechanism is movable relative to the pipe holder. The power tool also includes a drive mechanism coupled to the cutting mechanism and the motor to move the cutting mechanism from a starting position toward the pipe holder to cut the pipe. The drive mechanism includes a first member operable to disengage a second member to allow movement of the cutting mechanism to the starting position.

Abstract: A power tool includes a pipe holder, a knife pivotally coupled to the pipe holder, and a drive mechanism coupled to at least one of the pipe holder and the knife. The drive mechanism is operable to move the at least one of the pipe holder and the knife relative to the other of the pipe holder and the knife. The power tool also includes a motor coupled to the drive mechanism and a power supply electrically coupled to the motor to selectively power the motor for operating the drive mechanism.

Abstract: A releasable tether retention system is provided. The system includes a housing, a cutting member slidably coupled to the housing, and a tether holder secured to the tether for attaching a tether to the housing. At least a first portion of the tether holder is coupled to the housing along a path of sliding motion of the cutting member so as to enable the cutting member to at least partially sever the tether holder during sliding motion of the cutting member. A vehicle occupant protection system and an airbag module including the releasable tether retention system are also disclosed.

Abstract: A fully structurally integrated high pressure, hydraulic hand-held tool for cutting dense materials, including the hooves on horses.

Abstract: A hand-held hydraulic tool including a hydraulic drive system comprising a pump; and a user control system for at least partially controlling operation of the hydraulic tool. The user control system includes a first user control at a first location having a first pump activation control switch and a first hydraulic drive system drain control switch, and a second user control at a second location having a second pump activation control switch and a second hydraulic drive system drain control switch. The hydraulic tool is adapted to be controlled by a user at either of the first or the second locations.

Abstract: An apparatus for clipping a protrusion of material is provided. The protrusion may, for example, be a bolt head, a nut, a rivet, a weld bead, or a temporary assembly alignment tab protruding from a substrate surface of assembled components. The apparatus typically includes a cleaver having a cleaving edge and a cutting blade having a cutting edge. Generally, a mounting structure configured to confine the cleaver and the cutting blade and permit a range of relative movement between the cleaving edge and the cutting edge is provided. Also typically included is a power device coupled to the cutting blade. The power device is configured to move the cutting edge toward the cleaving edge. In some embodiments the power device is activated by a momentary switch. A retraction device is also generally provided, where the retraction device is configured to move the cutting edge away from the cleaving edge.

Abstract: In a method and apparatus for controlling the deployment of a towline connecting a mooring craft to an ejected object comprising the steps of monitoring velocity to determine when a point for optimum braking has been achieved and then engaging a brake system to retard deployment of the towline, a DC motor augments and controls the brake system. The DC motor further controls the retrieval of the object. A cutter mechanism uses a first blade to grip the towing cable to maintain tension thereon as a second blade cuts the cable. A spring biased boom in combination with spring biased fins on the ejected object rapidly deploys the object from its storage housing. A locking mechanism secures the deployment mechanism in a stable locked position upon the object reaching its fully extended position.

Abstract: A hydraulic tool including a frame having a hydraulic fluid conduit system; a hydraulic pump coupled to the conduit system; and a tactile feedback system. The tactile feedback system is coupled to the conduit system and is adapted to signal a user of an occurrence of a predetermined event.

Abstract: An apparatus and method are disclosed for cutting a corner post. The apparatus includes a blade disposed within the apparatus. A piston is coupled to the blade for actuating the blade. A trigger switch is coupled to the piston. The piston causes the blade to actuate when the trigger is depressed. The apparatus includes an opening through the apparatus for receiving the corner post through the opening. The blade is actuated to move through the opening and cut through the corner post.

Abstract: An electric nibbler has a handle, a battery package, a front cover, a base, a lower blade, a drive device, a transmitting device and an upper blade. The battery package is detachably attached to the battery seat of the handle. The front cover is mounted securely to the handle and has a mounting bracket and a housing. The base is connected securely to the housing and has an upper segment and a lower segment. The lower blade is connected securely to the lower segment. The drive device is mounted in the handle and a drive shaft. The transmitting device is connected to the drive device and has a connecting tube, a transmitting shaft, a drive axle, a gear wheel, a crank and a piston rod. The upper blade is connected securely to the bottom end of the piston rod.

Abstract: An electric cutting device includes a housing, a motor, an activation button, a first assembly, a second assembly, two connecting rods, two connecting rods and a cutting assembly. The activation button may be used to activate the motor. The motor is connected with a speed reduction gear set, and a transmission gear is connected with the output shaft of the speed reduction gear set. The transmission gear is engaged with a driving gear. A threaded rod is fixedly connected with the driving gear. The two supporting rods are pivotally connected with the first assembly. The rear end of either connecting rod is connected with the front end of the corresponding supporting rod. In use, the motor may cause the threaded rod to rotate and then activate the cutting operation of the cutting assembly.

Abstract: A two-stage attachment includes two stages of levers arranged to apply a cutting, shearing, squeezing and/or piercing force. The first stage includes a cam lever that has a segmented arcuate pushing surface. The second stage includes a blades support that has an arcuate yielding surface. The pushing surface contacts the yielding surface such that force applied to the cam lever is transmitted to the blade support through the contact between the surfaces.

Abstract: A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction transmission are adapted to output a torque of the least about 160 oz-in with the gear reduction transmission being adapted to provide a gear reduction of between about 8:1 to about 15:1 or less, and the hydraulic pump being adapted to output at least about 6000 psi of pressure or more.

Abstract: A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction transmission are adapted to output a torque of the least about 160 oz-in with the gear reduction transmission being adapted to provide a gear reduction of between about 8:1 to about 15:1 or less, and the hydraulic pump being adapted to output at least about 6000 psi of pressure or more.

Abstract: A cutting tool capable of cutting work pieces which are thicker than what comparably-sized conventional cutting tools are capable of cutting has a jaw with a cutting edge which does not completely abut or overlap over the full length of an opposing edge of a second jaw when the cutting tool is in its closed position. A resulting gap between the opposing edges varies from a maximum at the free end of the cutting edges to zero at a portion of the opposing edges where the edges abut one another. The cutting tool successively notches a work piece, and as the notch deepens, the work piece is advanced toward the abutting portion of the cutting edge and the opposing edge until it is finally severed. The jaws may be operated manually by hand levers or driven by hydraulic, pneumatic or electrical drive mechanisms.

Abstract: A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction transmission are adapted to output a torque of the least about 160 oz-in with the gear reduction transmission being adapted to provide a gear reduction of between about 8:1 to about 15:1 or less, and the hydraulic pump being adapted to output at least about 6000 psi of pressure or more.

Abstract: A method and apparatus for transmitting a force around a corner is provided. The apparatus includes a force transmitter comprising a first and second rounded end, a connecting member connecting the first and second rounded ends having a smaller diameter than the first and second rounded ends. The method for transmitting a force around a corner comprises the steps of urging a force transmitter in one direction, transmitting the force from the force transmitter and a second direction wherein the force transmitter has two rounded ends and a connecting portion having a lesser diameter than either rounded end.

Abstract: A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has a defined cavity in which there is a movable cutting tool and a fixed cutting tool. The nut to-be-cut is positioned in the space located between the two cutting tools. The hydraulic cylindrical chamber contains a push piston that is sealed to the inside of said hydraulic cylindrical chamber with watertight joints. The push piston is attached to a toolholder axis and the movable cutting tool is attached to the front end of the toolholder axis.

Abstract: A method and apparatus for transmitting a force around a corner is provided. The apparatus includes a force transmitter comprising a first and second rounded end, a connecting member connecting the first and second rounded ends having a smaller diameter than the first and second rounded ends. The method for transmitting a force around a corner comprises the steps of urging a force transmitter in one direction, transmitting the force from the force transmitter and a second direction wherein the force transmitter has two rounded ends and a connecting portion having a lesser diameter than either rounded end.

Abstract: A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction transmission are adapted to output a torque of the least about 160 oz-in with the gear reduction transmission being adapted to provide a gear reduction of between about 8:1 to about 15:1 or less, and the hydraulic pump being adapted to output at least about 6000 psi of pressure or more.

Abstract: A pneumatic metal-work tool includes a punch assembly mounted on the front end of a hydraulic push-rod assembly. The hydraulic push-rod assembly has a hydraulic chamber mounted with a piston rod. One end of the piston rod is mounted in a center hole of a piston. When the control valve of the metal-work tool has a high pressure air entered the casing to drive the piston to move, the pressure air will be converted into a hydraulic force via the hydraulic chamber so as to have the hydraulic push rod provide a punch force, and to have a metal sheet in the opening of the punch assembly punched with a hole.

Abstract: A transmission for connecting a rotary motor output shaft to a rectilinear actuator which is moveable rectilinearly along an actuator axis of translation. The transmission comprises a frame, an eccentric, and a rectilinear guide. The frame has a bore formed therein. The eccentric is adapted to position the frame on the rotary motor output shaft. The eccentric is rotatably mounted in the bore of the frame to rotate relative to the frame. The rectilinear guide is connected to the frame. The rectilinear guide has a slide surface adapted to be slidably seated against the rectilinear actuator allowing the frame to slide substantially rectilinearly relative to the rectilinear actuator. While this drive is especially suited for use on a hydraulic crimping tool, the drive is also suited for use with any kind of hydraulic power tool.

Abstract: A clamping member disassembling device is disclosed in which a clamping member comprising a head portion and a body portion and clamped to base metals, with the body portion being inserted into clamping holes formed in the base metals and the head portion being in contact with a peripheral edge portion of the clamping hole in one of the base metals, is disassembled from the base metals. The disassembling device comprises a cutting means for cutting off the body portion of the clamping member in a direction nearly perpendicular to an axial direction of the body portion, a moving means which causes the cutting means to advance and retreat in the axial direction of the body portion, and a motion changing means which actuates the cutting means in a direction nearly perpendicular to the axial direction of the body portion with an advancing or retreating motion of the cutting means which motion is induced by the moving means.

Abstract: The present invention pertains to an automatic cutting device which can be utilized for cutting woody plant material (e.g., stem, stalk). The subject device can comprise a housing having a fixed blade attached thereto. A movable blade, pivotally connected to the fixed blade, can be attached to an activating device for movement. The activating device is preferably a pushrod activated by an electrical solenoid which produces the force necessary to push the movable blade against the fixed blade in a cutting action. A spring can be used to return the movable blade to the open position between cuts. The solenoid can be activated by a switching means which is triggered by a lever device located in close proximity to the cutting portion of the blades. In a specific embodiment, as the stem is lowered, the lever is depressed which triggers the switch to activate the solenoid. The solenoid forces the push rod to push the movable blade against the fixed blade in a single cutting action to cut the stem.

Abstract: A manual hydraulic apparatus (1) with a traction/pressure installation, for example, a hole punch apparatus, with a hydraulic piston (5) which can be moved with respect to a cylindrical housing (25), and with a holding-up part (2) and a fastening installation (3), for example, for a piercing punch. The fastening installation (3) is rigidly connected to the cylindrical housing (25) and the holding-up part (2) can be moved by the hydraulic piston (5) with respect to the fastening installation (3).

Abstract: A cutting device embodying a housing that fully encloses the knife blade in its retracted position. The cutting device has access slots in the sides of the housing that provide access to the interior of the housing without having to disassemble the housing. The cutting device can be operated manually through the access slots, or pneumatically by attaching a nose mount air cylinder to a threaded hole in the housing. An air source can be attached to an end of the housing opposite the threaded hole, for automatically removing scrap from the cutter.

Abstract: A continuous strand of wire is laid in a wire groove or between pairs of guides on a substrate and is cut at desired locations to form individual circuits. At least one recess below the level of the wire laying plane is positioned to correspond to a scrap wire portion to be cut off. The recess is wide enough to allow insertion of cutters. The cutters include pairs of first and second cutting blades located at opposite sides of the wire which are moved toward the wire so that both ends of the scrap wire portion are cut by the first cutting blades and by the second cutting blades, respectively.

Abstract: A die structure for use in a tool which crimps or cuts a workpiece between relatively moveable jaws of the tool on which the die structure is securable is particularly structured for durability when used to severe high tensile strength cable such as guy wire and other multi-strand cable. A pair of die structures in accordance with the invention each has a cutting edge formed on a die body, and in a preferred embodiment, the cutting edges have aligned engagement surfaces which are flat and elongate to provide a pinching action which fractures or severs the workpiece usually before the cutting surfaces meet. The flat cutting surfaces provide improved durability over sharp cutting edges, and are preferably heat treated to promote further durability in severe cutting surface.

Abstract: Pliers (1) have a pliers housing (2), a handle (6) which is articulated on the pliers housing (2), a pliers mouth (3) which accommodates processing elements, and a drive device, which can be operated by pivoting the handle (6), in order to drive the processing elements. An electric motor (18) is arranged in the pliers housing (2) in order to exert a further drive force on the processing elements during pivoting of the handle (6).

Abstract: Pliers (1) have a pliers housing (2), a handle (6) which is articulated on the pliers housing (2), a pliers mouth (3) which accommodates processing elements, and a drive device, which can be operated by pivoting the handle (6), in order to drive the processing elements. An electric motor (18) is arranged in the pliers housing (2) in order to exert a further drive force on the processing elements during pivoting of the handle (6).

Abstract: A device for providing protection against the debris produced by a bolt that can be cut by a pyro bolt cutter, in particular through the use of a pyrotechnic device, the device including a confinement enclosure which surrounds the body of the bolt where it leaves the cutting device, and including resiliently deformable members such as membranes that are slit in their centers, with the body of the bolt passing in a substantially sealed manner through the centers of the membranes. The device serves to trap inside the confinement enclosure the debris that are produced when the bolt is cut, and it is particularly applicable to the aerospace industry.

Abstract: A portable punch press suitable for bending, cutting or otherwise working on steel frame members at sites of construction. Included is a C shaped frame erected on a bed for upstandingly carrying a hydraulic cylinder in overlying relationship to the bed. A replaceable die assembly is mounted on the bed so as to be acted upon by the hydraulic cylinder a for working on a desired blank. A pump for supplying a pressurized fluid to the cylinder is mounted thereon and driven by an electric motor disposed behind the pump. The pump and its drive motor are disposed in horizontal alignment for reduction of the total height of the machine, so that a steel frame member can be bent into a rectangular frame of less size than heretofore. In another embodiment the die assembly is modified to include a drive linkage such that the dies are disposed out of vertical register with the cylinder, thereby making possible the production of rectangular frames of further reduced size.

Abstract: A cutting type rescue tool having a body with an axis of actuation. A spacer on the body spaces a reaction arm, which reaction arm extends across the axis. An actuator barrel contains a piston from which a piston rod extends to a cutting blade that faces the reaction arm. The actuator barrel is slidably mounted in the body and is retained thereto. Braking shoulders on the actuator barrel and on the body oppose a decelerator device which reduces impact forces between the actuator barrel and the body, after the piston bottoms on the actuator barrel.

Abstract: A tool for stripping insulation from a live high voltage power line comprising a pair of relatively movable jaws adapted in a support head attached to the distal end of an non-conducting shaft. The jaws each have C-shaped blades and a longitudinally directed blade for the cutting of the insulation upon the capture of a power line between the jaws.

Abstract: A high reach self centering hydraulic tree trimmer which consists of first a carriage assembly. The carriage assembly consisting of a top plate and a bottom plate. The plates are separated by spacers and secured together with a plurality of fasteners. A pair of cutting blades are contained between the top plate and the bottom plate. The blades are reciprocal of each other and each have a front end, center region, back end, outer edge, inner edge and a cutting edge extending along the inside edge. The blades are self centering about an object to be cut by pivoting independently from each other They pivot about separate pivot points in the center region of the blades. A pivot pin or bolt is used as a pivot device extending from the top plate to the bottom plate. A hydraulic cylinder is used to operate the blades. The hydraulic cylinder is pivotally attached to the back ends of the blades.

Abstract: A hydraulic punching machine is disclosed which has a casing having formed therein a piston chamber in which a piston is reciprocably mounted to define a pair of opposed fluid chambers, and a fluid reservoir for containing a hydraulic fluid. The piston has a piston rod carrying a punch for movement into and out of engagement with a die on the casing. Also mounted to the casing is a motor driven pump for pressurizing the fluid. A solenoid actuated spool valve alternately places the fluid chambers in communication with the pump and with a fluid drain. The solenoid is connected to an electric control circuit capable of sensing the extension and contraction of the piston rod. Therefore, upon extension of the piston rod, with the consequent creation of a punch in the work such as sheet steel, the control circuit cases the spool valve to automatically contract the piston rod under fluid pressure.

Abstract: A device (10) for removing a connecting peduncle (28) passing through a separation slot (42) between two printed circuit boards (26, 27) includes a reciprocating moving element (13) having a cutting face (14) thereon formed on a undersurface of a projection projecting from a shank (2) slidable between a pair of bucking elements (17, 18) facing each other to provide at least in an initial section thereof a seat in which the shank (2) is insertable without play. The transverse dimension of the moving element (13) is such as to be received in a sliding manner guided in the slot (42) to receive the peduncle between its cutting face (14) and the edges of the bucking elements.

Abstract: A hand-held tool has cutter blades actuated by a power wedge on a piston rod in an hydraulic cylinder. The hydraulic cylinder is powered by a compressed air supply through stationary apparatus containing an air-hydraulic pressure intensifier apart from the tool and connected therewith through a hydraulic line. The power wedge has inclined ramps at relatively steep angles of inclination to start closing of the blades quickly, and ramps at less steep angles to increase the force applied to the blades in cutting. An adjusting wedge stops the advance of the power wedge so that the blades do not strike each other. The tool may have an elongated rear extension with a pistol grip handle.

Abstract: An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.