Abstract: Gear-driven shears include two grips, the fixed jaw, and the movable jaw and gear wheel module. The fixed jaw and the first grip are connected together at a joint of plate assembly module. The corresponding ends of movable jaw and the second grip are installed on the first pivot axle and second pivot axle of the plate assemble module. The characteristic of the invention is that one curved plate is installed additionally on one side of the movable jaw. Its first end is also installed on the first pivot axle of the plate assembly module sharing the same rotating point with the movable jaw. Meanwhile it is installed on the first edge of the curved plate together with the first tooth edge of the movable jaw. The second edge of the curved plate is equipped with wedge, which is locked in the notch on one side of the movable jaw. The middle section of curved plate is made into a curve.

Abstract: A strapping packaging device includes a compressing device, a cutting device, a strap-rolling device and a strap-pressing device. The eccentric cam of the compressing device is actuated to rotate by an operating rod, and the eccentric cam presses down a slide base together with a press block to compress on the strap-clamping member of a packaging strap. The strapping packaging device can not only precisely compress on the strap-clamping member, but also cut off the packaging strap easily at the same time.

Abstract: A pivoted hand tool including a first and second handle, each handle having a jaw member extending therefrom. A pivot connects the first and second handles. A ratchet is operatively engaged with the pivot and at least one of the handles and selectively rotates the pivot in a clockwise and counter-clockwise direction by movement of the handles toward or away from one another.

Abstract: A pruning apparatus includes a handle, a trigger, a support, a chopping block, a pivotal blade and a transmission. The trigger is movably mounted on the handle. The support is connected with the handle. The chopping block is connected with the support. The pivotal blade is pivotally connected with the support or the chopping block. The transmission is arranged between the trigger and the pivotal blade for transforming linear movement of the trigger to pivotal of the pivotal blade. In another aspect, a pruning apparatus includes a handle, a trigger, a support, a stationary blade, a pivotal blade and a transmission. The trigger is movably mounted on the handle. The support is connected with the handle. The stationary blade is connected with the support. The pivotal blade is pivotally connected with the support or the stationary blade. The transmission is arranged between the trigger and the pivotal blade for transforming linear movement of the trigger to pivotal of the pivotal blade.

Abstract: A hedge having two opposing cutting blades connected to handles. Both of the cutting blades and both of the handles have gear elements formed as part of the blade or handle. The gear element of one handle engages the gear element of one of the cutting blades, while the gear element of the other handle engages the gear element of the other cutting blade so that a variable force is provided throughout the cutting stroke.

Abstract: A cable cutting tool includes a first arm having a first jaw member connected to a first handle member and a second arm having a second jaw member pivotally connected to a second handle member. The first and second arms are connected by a fastener and are pivotal with respect to one another about a longitudinal axis of the fastener. A tension element is mounted on the second jaw member and is positioned wholly outside of and out of contact with the second handle member. A take-up element is mounted for rotation on the second jaw member. A latching mechanism is mounted on the second jaw member and is configured to inhibit rotation of the take-up element in a first direction. The take-up element is uninhibited by the latching mechanism when rotating in a second direction. A chain extends over the take-up element and has a first end attached to the first arm and a second end attached to the tension element. The chain is positioned wholly outside of and out of contact with the second handle member.

Abstract: A manual cable cutter includes a pair of handles linked to each other in upper parts thereof with two frame plates, one of the pair of handles being adapted as a stationary handle and the other as a rocking handle; a stationary cutting blade having a basal terminal part fixed, with soft bolts capable of being sheared, onto one of the two frame plates in a state superposed on the one frame plate; a rotary cutting blade furnished on an arcuate outer surface thereof with a continuously formed toothed part and pivotally supported rotatably on the stationary cutting blade; a first energizing spring and a second energizing spring disposed between the two frame plates; and a backstop claw meshed with the toothed part of the rotary cutting blade under pressure of the first energizing spring, and a feed claw meshed with the toothed part of the rotary cutting blade under pressure of the second energizing spring and disposed in an upper part of the rocking handle, the backstop claw and the feed claw both being disposed

Abstract: A tree pruner includes a base member that has a connector connected to a shaft and a main plate longitudinally securely connected to the connector. A first groove is defined in the main plate and downward extends to a periphery of the main plate. A second groove is defined in the main plate and upwardly extends to the periphery of the main plate. A blade is pivotally mounted on the main plate. The blade includes a first side forming a first cutting edge corresponding to and moved within the first groove and a second side forming a second cutting edge corresponding to and moved within the second groove. A driving device is attached to the second side of the blade for reciprocally driving the blade.

Abstract: A cable cutting tool includes a first arm having a first jaw member connected to a first handle member and a second arm having a second jaw member pivotally connected to a second handle member. The first and second arms are connected by a fastener and are pivotal with respect to one another about a longitudinal axis of the fastener. A tension element is mounted on the second jaw member and is positioned wholly outside of and out of contact with the second handle member. A take-up element is mounted for rotation on the second jaw member. A latching mechanism is mounted on the second jaw member and is configured to inhibit rotation of the take-up element in a first direction. The take-up element is uninhibited by the latching mechanism when rotating in a second direction. A chain extends over the take-up element and has a first end attached to the first arm and a second end attached to the tension element. The chain is positioned wholly outside of and out of contact with the second handle member.

Abstract: The invention relates to a pliers-type tool and to a method for cutting through optical fibre cables (OF). According to the invention, the OF cable is received between the jaws of the pliers precisely, in a specific position, and is securely and precisely held and supported there. The invention uses a novel round blade (14) which is accommodated in a separately operated cutting device (23). A switching mechanism (26, 28, 31, 32) is allocated to the cutting device for measuring the duration of use of the cutting blade.

Abstract: A tree pruner includes a first handle, a second handle, a fixed jaw plate, a movable jaw plate, a gear, a check plate, and a push plate. The movable jaw plate is actuated by the gear to bring about a first scissors action in conjunction with the fixed jaw plate at such time when the second handle is swivelled toward the fixed jaw plate such that the gear is pushed by the push plate to turn. The gear is arrested by the check plate so as to keep the movable jaw plate in the stationary state to facilitate a series of continuous scissors actions, with the cutting edge of the movable jaw plate remaining in the incision made into a tree twig during the first scissors action.

Abstract: A cutting stroke-adjustable pruning shears is constructed to include a fixed jaw and a movable jaw pivoted together, the movable jaw having an elongated slot and a plurality of retaining notches in one long side of the elongated slot, a holder shell, the holder shell having two parallel side panels pivoted to a middle part of the fixed jaw at two sides and a spine connected between the parallel side panels, a coupling arm, the coupling arm having one end pivoted to the parallel side panels of the holder shell and an opposite end mounted with a pivot coupled to the elongated slot of the movable jaw and selectively positioned in one of the retaining notches, a tension spring disposed inside the holder shell and connected between the holder shell and the coupling arm, and two handles respectively fastened to the fixed jaw and the holder shell.

Abstract: A bolt cutting tool comprises a bolt engaging portion and a cutting blade. The bolt engaging portion has at least one bolt-receiving bore, which is adapted for receiving a portion of a bolt to be cut. The cutting blade is rotatably connected to the tool generally adjacent the bolt engaging portion. The cutting blade has a cutting surface with an arcuate peripheral cutting edge. The cutting blade is adapted for rotation relative to the bolt-receiving bore from a pre-cut starting position toward a post-cut finishing position. The blade is adapted to rotate in a manner so that the arcuate peripheral cutting edge of the blade cuts the bolt as the cutting blade is rotated toward the post-cut finishing position. The blade is configured so that an angle of incidence between the cutting surface of the blade and a center axis of the bolt-receiving bore is less than 15 degrees when the blade is in its pre-cut starting position.

Abstract: A cutting stroke-adjustable pruning shears is constructed to include a fixed jaw and a movable jaw pivoted together, the movable jaw having an elongated slot and a plurality of retaining notches in one long side of the elongated slot, a holder shell, the holder shell having two parallel side panels pivoted to a middle part of the fixed jaw at two sides and a spine connected between the parallel side panels, a coupling arm, the coupling arm having one end pivoted to the parallel side panels of the holder shell and an opposite end mounted with a pivot coupled to the elongated slot of the movable jaw and selectively positioned in one of the retaining notches, a tension spring disposed inside the holder shell and connected between the holder shell and the coupling arm, and two handles respectively fastened to the fixed jaw and the holder shell.

Abstract: In a cable cutter (10) for cutting cables, leads, pipes and the like, two intersecting levers (14, 16) are articulated by a common first pivot joint (12). One of the levers (14, 16) consists of two parts, a front lever section (26) forming a cutting jaw (22, 24) and a rear lever section (28) forming a handle (20). These lever sections (26, 28) are articulated by a second pivot joint (30) and are interlockable in at least two distinct angular positions (32, 34). A limit by way of a glide means (38) is guided in a recess (36) for engagement of an associated recess each (40, 42) in the distinct angular positions (32, 34) of the lever sections (26, 28). There, the glide means (38) is automatically lockable, being preferably a spring-loaded pin supported on the front lever section (26) for movement in a longitudinal direction, either parallel or at a right angle to the axes of rotation (A1, A2) of the pivots joints (12, 30). The pin side facing the rear lever section (28) may be widened or broadened.

Abstract: A pair of metal shears has a main body, a moveable blade and a moveable handle. The main body has a fixed blade and a handle. A notch is defined in the main body near the rear end of the fixed blade. The moveable blade is pivotally attached to the main body with a first pivot pin. A cutting edge is formed on the moveable blade and faces a cutting edge on the fixed blade. The moveable handle is pivotally attached to the moveable blade with a second pivot pin. A key is formed on the moveable handle and operationally engages the notch in the main body. Accordingly, the blade on the main body will pivot and close the cutting edge on the moveable blade by means of the transmission of the key and the notch. The structure of the pair of the metal shears is simplified.

Abstract: A pruner has a first elongated member and a second elongated member coupled to a metal plate. The metal plate has a central aperture, a forwardly extending blade and a rearwardly extending tang having a second aperture offset from the central aperture. A jaw is mounted on the first elongated member. A power lever having a first end and a second end. A first coupler pivotably mounted in the central aperture and coupling the first member to the plate, with a second coupler pivotably mounted in the second aperture and coupling the second member to the plate. The power lever is coupled to the first and second elongated members by a third coupler pivotably coupling the first end of the power lever to the second member and a fourth coupler pivotably coupling the second end of the power lever to the first member. The power lever forces the second member to move linearly toward the first member for pivotable movement of the blade and jaw in response to linear movement of the first and second members.

Abstract: A tool for cutting/crimping a workpiece, such as a cable, includes an automatic rapid blade advance such that a blade on a movable jaw of the tool advances toward cutting the cable every time the handles of the tool are closed. The automatic rapid blade advance also advances the blade on the movable jaw toward cutting the cable every time the handles of the tool are opened up until the blade on the movable jaw first encounters a resistive force from the cable. The tool also includes an automatic blade return such that the blade on the movable jaw will automatically return to its original position after the blade has cut through or crimped the cable.

Abstract: A pruner comprises a first handle comprising a jaw on a first end thereof and a handle portion on a second end thereof, a second handle having an end pivotally mounted to the first handle, a first roller and a second roller rotatably mounted in the second handle and each including an outer periphery, and a cutter comprising a first end that cooperates with the jaw for performing a cutting function and a second end having a sliding portion. The cutter has an intermediate portion pivotally connected to the intermediate portion of the first handle. A portion of the outer periphery of the first roller and a portion of the outer periphery of the second roller are located in the moving path of the sliding portion of the cutter for guiding the sliding portion of the cutter during relative pivotal movement between the first handle and the second handle.

Abstract: A pair of looping shears for gardening purpose to allow its user the optimal cutting angle while trimming twigs, comprised of strike jaw, blade jaw and effort-saving mechanism; within, a ratchet is provided to a pivot of the blade jaw that synchronously turns with the strike jaw, and a mobile tab engaged with the ratchet and the handle of the blade jaw to achieve comfortable grip on the handles at an optimal angle for applying the force to repeat trimming twigs and branches.

Abstract: A hand-held power-operated blade-actuating or other work member actuating device, especially useful as shears for processing comestible products such as fowl. A servo mechanism and linkage connected with a movable blade and a finger control causes controlled powered movement of the blade in coordination with the finger control. A fixed blade and a pivoted blade are insertable and removable as a unit from a hand-held frame in which the fixed blade is restrained against rotation relative to the frame. The blades and frame are constructed so the blades are insertable or removable only when closed. In a preferred embodiment the fixed blade is retained in part by two load bearing pins extending from the frame and located substantially diametrically opposite each other relative to the pivot axis of the movable blade.

Abstract: A pair of gardening shears comprise a blade fastened to one end of a first handle, and a fixed jaw plate fastened to one end of a second handle which is pivotally fastened with the first handle by a pivoting member. The pivoting member is formed of a pivot and a nut which is engaged with the pivot and is located by a locating plate. The nut is provided with a toothed portion. The locating plate is provided with a toothed portion which is engaged with the toothed portion of the nut. The fixed jaw plate is provided with a recessed edge which is opposite in location to the blade and is intended to reduce friction between the fixed jaw plate and the blade.

Abstract: A pair of gardening shears comprises a fixed jaw and a movable jaw pivoted together with the fixed jaw. The movable jaw is fastened with a connection arm and provided with a first toothed transmission portion. The fixed jaw is pivoted at one end with a rocking arm which is provided with a second toothed transmission portion meshing with the first transmission portion. The connection arm is provided with a protective portion for shielding the first and the second transmission portions such that the twigs or leaves of a garden plant are prevented from being caught and deposited in the toothed transmission portions.

Abstract: A prune comprises a first handle comprising a jaw on a first end thereof and a handle portion on a second end thereof, a second handle having an end pivotally mounted to the first handle, a first roller and a second roller rotatably mounted in the second jaw and each including an outer periphery, and a cutter comprising a first end that cooperates with the jaw for performing a cutting function and a second end having a sliding portion. The cutter has an intermediate portion pivotally connected to the intermediate portion of the first handle. A portion of the outer periphery of the first roller and a portion of the outer periphery of the second roller are located in the moving path of the sliding portion of the cutter for guiding the sliding portion of the cutter during relative pivotal movement between the first handle and the second handle.

Abstract: A pair of shears comprises two pivotally-fastened handles, two blades pivoted to the handles, and a connection device pivoted with the two blades. The two handles are provided with a cutting edge. As the two handles are moved toward each other, the cutting edges and the blades are capable of bringing about independently a scissors action to execute the cutting of an object held therebetween.

Abstract: A pair of shears including a primary handle, a secondary handle, a movable jaw, a connection rod, and a push claw. The primary handle is provided with a fixed jaw. The push claw is actuated by the secondary handle to urge a toothed portion of the movable jaw, thereby resulting in the progressive moment of the movable jaw toward the fixed jaw so as to cut a workpiece held between the fixed jaw and the movable jaw. The movable jaw moves away from the fixed jaw at the time when the secondary handle is moved away from the primary handle so as to actuate the connection rod to pull the lower end of the movable jaw.

Abstract: A cable cutting device having one handle of the cutter placed parallel and closely adjacent to the cable which is to undergo cutting. When a cable is about to be cut, the cable and the handle of the cutter are placed in a side by side relationship and both the cable and handle of the cutter are grasped by the user. The remaining handle is attached to a ratchet mechanism in the cutter and is oscillated to drive the cutter by means of a ratchet device to cut the cable which is still being grasped by the user. Now, the severed cable may be suitably disposed of in a controlled and safe manner. If the user is a utility lineman, the safety associated with the above operation cannot be overemphasized.

Abstract: Rotary cutting pliers for cutting electric wires, having large, medium and small diameters. An electric wire is inserted into an insertion space that is open from the rotary center of a first bearing disk mounted on a first unit of the pliers so that the electric wire comes in contact with the rotary center. The wire is cut by a curved cutter in the insertion space or by a curved or circumferential cutter on a rotor embedded in the first bearing disk. A second bearing disk mounted on a second unit has a second insertion space that is inclined from the rotary center. A curved cutter in a third insertion space of the second bearing disk is open from the rotary center of a rotary disk. The rotary disk has a ratchet on the circumference that can be incorporated into the first bearing disk to complete contact with aligned supporting points at the intersection of the insertion spaces of the first and second bearing disks and with the surfaces of the curved cutters of the first and second bearing disks.

Abstract: Shears for cutting metal sheet include first and second jaws pivotably interconnected by a jaw joint. The jaws have respective cutting edges located forwardly of the jaw joint, and which are arranged to cross one another at a crossing point which moves during a cutting operation. The cutting edges are configures to cross one another at a substantially constant angle during a cutting operation. The second jaw includes an extension extending rearwardly of the jaw joint. The first jaw has a rigidly attached first gripping handle. A second gripping handle is pivotably connected to the first handle by a handle joint located rearwardly of the jaw joint. The second handle engages a surface of the extension by a sliding contact, whereby a distance between the jaw joint and the sliding contact increases during a cutting operation.

Abstract: Cable and wire cutters of new design have an outside cutter member containing an arcuate cavity within which an inside cylinderical cutter member rotates about a common pivot axis so separate cutting slots in the outside and inside cutter members cross during the cutting operation within the circumference of the inside cutter thereby remarkably improving the mechanical advantage in these new cutters as compared to the prior art because cutting of the work piece occurs closer to the common pivot axis of the cutting slots than has been possible with prior known cable and wire cutters. A variety of specific embodiments of the new cutter design are disclosed.

Abstract: A hand-held, ratchet action tool closes together a pair of jaws. A first jaw is fixed in position. A second jaw includes a plurality of ratchet teeth and is mounted to pivot with respect to the first jaw. The ratchet tool further includes a linkage of four links operatively coupled together and with a motorized drive mechanism. A first pawl is supported on one of the links so as to be engageable with the teeth of the second jaw. The linkage is configured to convert drive motion from the drive mechanism into oscillatory motion of the pawl along the teeth. The first pawl is arranged to drive the working face of the second jaw towards that of the first jaw during the oscillatory motion. A second pawl engages with the teeth to permit the first pawl to be ratcheted back and forth, closing the second jaw on the first jaw. A selector lever is provided to manually disengage the pawls and to permit reopening of the jaws.

Abstract: A manual cable cutter includes a pair of fixed and shaking handles joined mutually in the upper part sides thereof, a spring for urging the pair of handles in the expanding direction, a fixed cutting blade disposed continuously in the upper part of the fixed handle, a turning cutting blade having a row of teeth formed on its arcuate outer face and having a basal end part turnably supported on the leading end part of the fixed cutting blade, a holdback claw rotatably disposed in the upper part of the fixed handle and adapted to be meshed by the spring with the row of teeth, a feeding claw rotatably supported on the shaking handle and adapted to be meshed by the spring with the row of teeth, a switch device for switching the range of motion of the shaking handle between a first opening position during the course of cutting motion and a second opening position during the course of releasing motion, and a release lever rotatably formed on the fixed handle for retracting the holdback claw and the feeding claw sync

Abstract: A tree pruner consists of a fixed tool and a movable tool fastened pivotally with the fixed tool which is fastened at the lower end thereof with the top end of a support rod. The support rod is provided at the bottom end thereof with two handles for controlling the operation of the fixed tool and the movable tool. The movable tool has an action portion and a blade portion. The action portion is provided with a slide slot having a plurality of arcuate grooves. The fixed tool is fastened pivotally with a rocking arm which is provided at the top end thereof with two support arms. One of the two support arms is provided with a tensile spring which is connected with the fixed tool. Other one of the two support arms is provided with a pull cord which is connected with the handles. The rocking arm is fastened pivotally at the midsegment thereof with one end of a connection rod. Other end of the connection rod is movably disposed in the slide slot of the action portion of the movable tool.

Abstract: A tree pruner is composed of a fastening piece, a cutting piece, and two swivel pieces. The fastening piece is provided with a connection portion which is in turn provided with a pulley and is fastened with a bracing rod. The fastening piece is provide at one end thereof with a blade. The cutting piece is fastened pivotally with the fastening piece and provided with a toothed slot and a tool portion capable of cooperating with the blade of the fastening piece. The two swivel pieces are fastened pivotally with the fastening piece and provided with a control element which is put through the toothed slot and is linked with a spring. The cord such that the cutting piece is actuated to execute the severing of a tree twig in conjunction with the blade of the fastening piece.

Abstract: A step-separating shearing tool includes a first handle and a second handle. A first blade portion is connected to the first handle, and a second blade portion, which includes an L-shaped slot, is hinge-connected to the first blade portion and to the first handle. A rocker arm connects the second handle and the first blade portion. The step-separating shearing tool also includes an automatic step-separating mechanism. This mechanism includes: a double-oscillating rod, which is hinge-connected to the rocker arm; a slider on the double oscillating rod, which is received in the L-shaped slot of the second blade portion; and a torsion spring connected between the rocker arm and the double oscillating rod. When the shearing tool is used in a cutting operation for cutting items having a relatively small diameter, the slider is located in a short slot portion of the L-shaped slot during the entire cutting operation.

Abstract: A hand-held power-operated blade-actuating or other work member actuating device, especially useful as shears for processing comestible products such as fowl. A servo mechanism and linkage connected with a movable blade and a finger control causes controlled powered movement of the blade in coordination with the finger control. A fixed blade and a pivoted blade are insertable and removable as a unit from a hand-held frame in which the fixed blade is restrained against rotation relative to the frame. The blades and frame are constructed so the blades are insertable or removable only when closed. In a preferred embodiment the fixed blade is retained in part by two load bearing pins extending from the frame and located substantially diametrically opposite each other relative to the pivot axis of the movable blade.

Abstract: A gardening shears consists of a fixed jaw, a movable jaw fastened pivotally with the fixed jaw and provided with a blade opposite to the fixed jaw, a braking member fastened pivotally with the fixed jaw and provided with a slide slot in which a pivoting member is capable of moving back and forth so as to actuate the movable jaw, and two handles fastened respectively with the fixed jaw and the braking member. As one of the two handles is moved in the direction away from another one of the two handles, the pivoting member is caused to relocated in the slide slot of the braking member so as to bring about a desired change in the length of the arm of application to make the pruning job easier.

Abstract: A tree pruner consists of a fixed jaw member, a movable arm and a movable jaw. The fixed jaw member has a jaw portion and a fixed arm. The movable jaw has a blade and a crank. The fixed jaw member and the movable jaw are fastened pivotally such that the blade of the movable jaw and a cutting portion of the fixed jaw member cooperate to execute efficiently the pruning of a tree twig when the movable arm is moved towards the fixed arm of the fixed jaw member.

Abstract: A pipe cutter includes a jaw formed on one end of a handle and includes a cutter blade pivotally coupled to the handle and having a cutter edge adapted to be moved toward the jaw for cutting a pipe. The cutter blade includes a number of ratchet teeth formed in the bottom peripheral portion and includes a depression having two end portions. A handgrip includes an actuator for engaging with the ratchet teeth and for rotating the cutter blade. A pawl may prevente the cutter blade from rotating in the reverse direction. An adjusting member is pivotally coupled to the handle and includes a protrusion slidably engaging with the depression of the cutter blade and engageable with either of the end portions of the depression for adjusting the distance between the cutter edge and the jaw.

Abstract: A hand tool for cutting, such as a pair of pruners, includes a pair of opposed elongated members, each member comprising a jaw at a front end portion thereof, a handle at a rear end portion thereof, and a midportion where the members cross over each other. A pivotable joint unites the midportions for scissor-like movement of the handles and jaws, and a spring biases the handles and jaws to an open position. According to the invention, one of the handles is rotatable. A transmission mechanism is provided to interconvert the rotation force applied to the rotatable handle into a rectilinear force used to draw the handles together.

Abstract: A variable force lopping tool is provided with a gear mechanism configured so that maximum leverage is obtained at a point in the cutting stroke corresponding to the maximum resistance by the workpiece being cut. The mechanism comprises a pair of mating gears formed on first and second elongated members and cooperating with a plate having a forwardly extending jaw or blade. The plate is pivotally connected to the first member. The second member is pivotally connected to a rearwardly extending tang of the plate.

Abstract: An electric cable cutter of the present invention comprises a housing, and a stationary blade and a moving blade which are exposed from the housing. The housing includes a body unit containing an electric motor and a planetary reduction gear driven by the electric motor, a handle unit formed so as to be easily held by hand, and a power source unit to which a battery cartridge is inserted. A switch lever for operating the switch to drive the electric motor is placed on the holding unit. Owing to this structure, a user easily cuts a cable by one hand at the inconvenient places, e.g., at height. This electric cable cutter is portable because of the rechargeable battery, so that this cutter can be utilized in any place.

Abstract: A cable cutting tool provides an improved blade configuration. The tool includes a pair of pivotally connected cutting blade members having facing curved cutting edges. Each curved cutting edge is in the shape of a spiral. Progressive movement of the cutting blades causes the cable to be progressively severed towards the pivot connection of the blades over large angular rotation. The cutting angles of the blades may be constructed so that the cutting angle is greater adjacent the inner portion of the spiral. This facilitates the effect of cutting cable constructed with hard cores or members (i.e., ACSR cable).

Abstract: A lopper of the type having an anvil cooperable with a blade actuated by a pair of elongated members made of moldable material, the first member being unitary and comprising a first handle merging into a first gear segment having a central post integral therewith, the first member terminating at a distal end by the anvil, the second elongated member comprising a second handle merging into a second gear segment at one end of the member, the second gear segment having a second post integral therewith, the first and second members being pivotally connected to a metal plate at the central and second posts. The moldable material is most preferably a plastic, but other moldable substances could be employed.

Abstract: A hand actuated scissors for cutting work pieces such as cables, profiles, branches or the like, having two hand levers (1, 2) coupled to each other, the first of which merges into a fixed cutting jaw (6) having a movable cutting jaw (10) pivotally supported at its free end that can be placed around the work piece (12) and where the cutting jaw has an outer toothing (13). A knee lever drive (3, 5, 14, 16) for swinging the movable cutting jaw (10) relative to the fixed cutting jaw (6) is provided, which includes a thrust lever (14 ) pivotally supported on the second hand lever (2). A notch lever (17) is pivotally supported on the first hand lever (1), where the teeth (16, 19) provided on the thrust lever (14) and the notch lever (17) respectively alternately mesh with the outer toothing (13) of the movable cutting jaw (10). The outer toothing (13) of the movable cutting jaw (10) has a pitch of less than 2.3.degree..

Abstract: Hand held fluid operated shears comprises first and second blades. The blades are pivotally connected for movement of one relative to the other about an axis. The shears include a thumb-receiving handle and a finger-receiving handle. One of the handles is supported for pivoting about the axis independently of both blades. The other handle is fixed relative to the first blade. A fluid actuator is coupled between the fixed handle and the second blade. A fluid operated servo mechanism is controlled by the second blade and the pivoted handle to control operation of the fluid actuator to move the second blade relative to the first blade in coordination with the movement of the pivoted handle. The rate of movement of the second blade decreases relative to the rate of movement of the pivoted handle as the second blade moves from an open position at an acute angle relative to the first blade to a closed position where it overlies the first blade.

Abstract: The invention relates to end cutters, in particular for cutting through cables, having two flat loose blades which are located one on top of the other, and rotatable about a common rotation shaft and can be driven by means of a drive device. Each loose blade is in this case acted on by a suitable cam disc which is located in the plane of the blade and is coupled to the drive device. A desired force response while cutting up material in the form of ropes can be achieved in a simple manner by selection of the radii of the cam discs.

Abstract: The pruning shears have a link pivotally connecting the force-lever arm of the cutter with the tang and a strap bridging the cutter and tang. In this way, the tilting movement, to which the joints are otherwise exposed, is counteracted by the strap.

Abstract: A hand operated ratchet tool includes first and second pivotally coupled jaws, first and second links pivotally coupled to the first and second jaws, respectively, a third link pivotally coupled in common with the first and second links, and first and second handles pivotally coupled with the first and third links, respectively, and with one another. First and second pawls are mounted on the pivots between the third link and second handle and between the first link and first handle, respectively. Each alternately engage with teeth provided along a semi-circular edge of the second link to rotate the second link in a direction which closes the adjoining working faces of the jaws. The first pawl has two separate sets of teeth configured to respectively engage with the link teeth when the second link is being rotated in either of two opposing directions to open and close the jaws.

Abstract: A compound action shears having a pair of blades interconnected for reciprocation between open and closed positions, one of the blades having a serrated edge with the inner surface of the blade being beveled to provide a curved surface rearwardly of the serrated edge, and the other blade having a cutting edge positioned to engage the beveled surface rearwardly of the serrated edge.