Abstract: A cable cutter includes stationary and moveable clamps, each comprising a respective pivot opening and a cutting edge spaced from the pivot opening. A pivot joint connects the clamps to allow the movable clamp to pivot about a pivot axis relative to the stationary clamp. The pivot joint includes a threaded connector having a head and a shank extending from the head along the pivot axis through the pivot openings in the clamps. A collar has opposing faces and an opening extending through the collar. A nut is threaded on the shank and the clamps are sandwiched between the head and the collar with the head adjacent one of the clamps. The collar is engaged to rotate with the shank the about the pivot axis.

Abstract: The present invention is an anatomic system which uses the principle of applying higher elastic tonus than the rest tonus of the agonist muscles to provide the function of the antagonist muscles, and which is designed in a simplest way to provide the said purpose and which can be integrated to the body. The static mechanism of the invention is an elastic mechanism which applies a continuous stable tension in order to keep the joints open. The tension of the mechanism is calibrated by increasing or decreasing the amount of the liquid in a chamber which has flexible and elastic walls up to a certain via a port. In the dynamic mechanism of the invention, the tension applied by the elastic mechanism can be changed according to the motion the patient wants to perform.

Abstract: The present invention relates to a shearing tool such as scissors, comprising first and second cutting members pivotally coupled with each other, and a linkage pivotally coupled to the first and second cutting members, whereby the linkage and one of the first and second cutting members form together a compound lever mechanism. A force applied by an operator onto the shearing tool increases as an output by the linkage, and the increasing force is conveyed to that cutting member so that the cutting power of the shearing tool increase to allow hard-to-cut materials to be cut manually and easily with less effort from the operator.

Abstract: A cutting tool according to some embodiments of the disclosure includes a stationary handle and a movable handle pivotally attached thereto, a blade receiving gear mounted on the stationary handle, a blade removably mounted to the blade receiving gear, and a spring-loaded slide plate mounted to the blade receiving gear for holding the blade in the blade receiving gear. The blade seats within a notch of the blade receiving gear and the slide plate engages with a notch in the blade. The slide plate can be removed without the use of tools from engagement with the blade to allow user to easily remove the blade from the cutting tool.

Abstract: A method for manufacturing blade beds of a garden shear, wherein each of two blade beds has a length and a thickness far less than the length; the method includes: using extrusion method to extrude two blanks in directions parallel to directions of thickness of two blade beds respectively, wherein cross sections of the two blanks are shaped into the two blade beds; slicing the two blanks perpendicularly to the extruding direction into a plurality of pieces at intervals of distances equal to the thickness of the two blade beds respectively; and chamfering a plurality of peripheries of the pieces by punching.

Abstract: A hand operated cutting tool includes a first handle coupled to a first cutting member, the first handle having a first set of projections; and, a second handle coupled to a second cutting member and movably coupled to the first handle, the second handle having a second set of projections. The handles are movable between a full open position and a full closed position, wherein a first region of movement is defined by the first and second sets of projections being at least partly engaged, and wherein a second region of movement is defined by the first and second sets of projections being disengaged.

Abstract: A pipe cutter includes two bodies connected to each other to form a first room. Each body includes a passage. One of the two bodies has a second room. A torsion spring is located in the first room and includes a mounting member and a radial opening. A blade unit includes a pin, a blade, a movable member, a spring and an action member. When activating the action member to drive the movable member to compress the spring, the third contact portion and the second engaging portion of the movable member are disengaged from the groove and the first engaging portion of the pin, and the pin is not restricted and can be removed from the passage. The blade is not restricted by the pin and replaceable.

Abstract: A gardening shear may comprise a first blade, a second blade, a first handle, and a second handle. By using leverage principle, a user can use the gardening shear of the present invention to easily cut limbs or branches of plant, which is labor-saving. Moreover, the gardening shear of the present invention is simple in structure, which saves time and effort in assembly and lowers costs of manufacture.

Abstract: A pair of gardening shears include a first driving arm, a jaw member pivotally connected with the first driving arm, a second driving arm pivotally connected with the first driving arm, a first handle mounted on the first driving arm, a second handle mounted on the second driving arm, and a locking unit mounted on the first handle. Thus, the jaw member is pivotally connected with the first driving arm by the first bolt, and the second driving arm is pivotally connected with the first driving arm by the second bolt, so that the jaw member and the second driving arm have different fulcrums to construct a multi-lever structure so as to perform the cutting action smoothly in an energy-saving way.

Abstract: A mechanism system can include a load responsive component, a pivot point coupled to the load responsive component, and a mechanism, coupled to the load responsive component, configured to engage when the load responsive component moves and configured to induce a first ratio of movement and a second ratio of movement.

Abstract: A hand operated cutting tool includes a first handle coupled to a first cutting member, wherein the first handle has a first set of projections. The hand operated cutting tool also includes a second handle coupled to a second cutting member, wherein the second handle has a second set of projections. The handles are movable between a full open position and a full closed position, wherein during a first region of travel proximate the full open position the first and second gear projections are at least partly engaged, and wherein during a second region of travel proximate the full closed position the first and second gear projections are disengaged.

Abstract: An apparatus for operating on tissue includes an end effector, an actuator, and a spring assembly. The end effector includes a first jaw and a second jaw that pivots relative to the first jaw from an open position to a closed position. The actuator is coupled with the second jaw to pivot the second jaw relative to the first jaw. The spring assembly is coupled with the actuator and is adjustable from a first position to a second position. The spring assembly compresses to resiliently bias the actuator to pivot the second jaw to the open position when the spring assembly is in the first position. The spring assembly compresses a smaller amount when the spring assembly is in the second position.

Abstract: A garden shears may include a first cutter, a second cutter, a spinning block and a cover. The first cutter has a connecting hole and at least one locating hole is formed outside the connecting hole, and an interlocking gear is formed on a bottom portion of the first cutter. The second cutter has an engaging hole aligning with the corresponding locating hole. A rear portion of the second cutter has a second handle to drive the second cutter to perform a cutting action. The spinning block comprises a joint section disposed inside the second handle, and a forward transmission gear engages with the interlocking gear to drive the cutter by the second handle. At least one locating pin extends from a back side of the cover to insert into the locating hole of the first cutter, so the cover can be secured on the first cutter.

Abstract: A cutting tool includes a fixed blade having a cutting surface and a movable blade having a cutting surface. The movable blade is rotatable between a receiving position in which the cutting surfaces are spaced and a cutting position in which an object disposed between the fixed and movable blades is cut by the cutting surfaces. A return spring member is connected to the movable blade. The spring member stores energy when the movable blade is rotated from the receiving position to the cutting position. The spring member returns the movable blade to the receiving position when the stored energy is released.

Abstract: A handheld cable cutter is provided with two handles, a stationary cutting blade, and a rotatable cutting blade pivotally connected to the stationary cutting blade. One of the handles is movable such that movement of the movable handle toward and away from the other, stationary handle drives the rotatable cutting blade toward the stationary cutting blade. The stationary handle includes an enlarged, integral stabilizing base which rests upon a support surface when the movable handle is actuated to cut a cable.

Abstract: An improved floral scissors assembly includes a clamping jaw extended from a top end of a first handle, a blade, a second handle pivotally coupled to the bottom of the clamping jaw, a long hole formed on the blade, plural stop protrusions formed in the long hole, and a link rod installed between the second handle and the blade. The link rod has an end extended into the long hole by a stop pin and the other end coupled to a switching mechanism including a slice member and a stop portion. The stop portion is situated at an upper or lower fixed position. An active end of the link rod is switchably limited by the stop portion at the upper or lower fixed position, and the stop pin is moved in an opposite direction of the active end and between the upper and lower ends in the long hole.

Abstract: A labor-saving horticultural scissors has a first blade and a second blade. Both blades are respectively disposed with a cutting section and a transmission section. Both blades are mutually pivoted to pivotally rotate to perform cutting motion, wherein a rotatable component leans against the transmission section of at least one of the blades. When both blades mutually pivot, the rotatable component rolls and displaces along the transmission section.

Abstract: A garden shears has a main cutting body, a secondary cutting body and an applying arm. The main cutting body has a first shaft aperture at a middle section, a first blade disposed at one end aperture and a handle disposed on another end, the main cutting body has a first pivoting aperture between the first shaft aperture and the handle. The secondary cutting body has a second shaft aperture. A second blade is disposed at one end of the second shaft aperture and a sliding slot with a toothed portion at another end. The applying arm is pivoted with a gear at a middle section. The gear engages with the toothed portion of the sliding slot of the secondary cutting body, and the applying arm has a second pivoting aperture disposed at one end of the gear and a handle disposed at another end.

Abstract: A tool and a method for cutting an elongate runner piece used to support a ceiling tile and having an inverted T-shaped body and including: a) a crossbar having a downwardly facing surface with a width; and b) a stem. The method includes the steps of: providing a tool with a support assembly and cutting assembly; placing the runner piece in a cutting position upon the support assembly; with the rail piece in the cutting position, repositioning at least one cutting element on the cutting assembly to thereby cut into the crossbar on the body over substantially the full width of the downwardly facing surface of the crossbar at a first lengthwise location; and cutting the stem adjacent to the first lengthwise location.

Abstract: A position restriction structure of scissors includes a main body, a second body, a driving handle, a connecting piece, a restricting piece and a plurality of hinged units, wherein a main hinge hole and a second hinge hole provided for the second body and the driving handle are through and passing through a center portion of the main body, and the second body and the driving handle have a gearing teeth portion and a activating teeth portion engaged with each other. The restricting piece attaches to one side of the second body and driving handle and the hinge unit passes therethrough. The restricting piece clamps the second body and the driving handle through a screw and screw nut of the hinge unit to restrict axial position of the gearing teeth portion and activating teeth portion to prevent the second body from shear forces and to improve durability of the product.

Abstract: A hand pruner having a first and second handle, the first handle having a hook, formed at a far end, the second handle having a cutting blade formed at the far end. The first handle and hook and second handle and blade pivotally connected for movement with respect to each other. The blade and second handle having a cup formed between the blade and second handle. The hook and first handle having a cup formed between the hook and first handle. The cutting edge of the hook is formed along two concave intersecting arcs of different diameters, the smaller diameter arc located next to the pivot. The cutting edge of the blade is formed along two convex intersecting arcs having diameters that complement the two concave arcs in the hook cutting edge.

Abstract: A cutting tool includes a metal plate including a blade that forms a cutting jaw with an anvil, the metal plate being connected in an articulated manner to an anvil part at a first pivot point and connected operationally to a first elongated element having a first tooth gear part for opening and closing the cutting jaw in response to the relative turning movement of the first elongated element and a second elongated element, having a second tooth gear part, about the second and the third pivot points respectively.

Abstract: Cutting apparatus for cutting material, the apparatus comprising two blades arranged so that in use together they can effect a cutting operation in a cutting region therebetween, the blades being mounted relative to one another so that they are urged together in the cutting region as a result of a cutting force initiated by the cutting operation. In one embodiment at least one of the blades is mounted for pivotal movement about a pivot axis so that during the cutting operation the cutting or shearing force generated causes the blade to be pivotally urged towards the other blade. In another embodiment one blade is a rotatable cutter blade and the other blade is a further cutter blade which is adapted to cooperate together to perform the cutting operation in a cutting region, the further cutting blade being mounted so as to be urged towards the rotatable blade as a result of the cutting or shearing forces generated during the cutting operation.

Abstract: A pressing handle member of garden shears has two symmetric pressing handle elements sandwiching a separator. The separator and the pressing handle elements each respectively have a shaft aperture and a first pivot aperture. The separator has an anvil. A blade member is inserted in a first slot of the separator and pivoted onto a bolt that is disposed through the shaft aperture. Two connecting members are slidably coupled to an adjusting slot in the blade member. The gripping member has two symmetric handle elements sandwiching an assembly member. Each handle element has a second pivot aperture; a pin is placed through the second pivot apertures and the first pivot apertures of the pressing handle member. The gripping member also has a second through aperture and a joint is placed through the second through aperture and the connecting apertures of the connecting members.

Abstract: A hand-operated cutting tool includes first and second cutting members pivotally connected at a first pivot point, a lever having a longitudinal axis and pivotally connected to the first cutting member at a second pivot point, and a translatable curvilinear pivot connection between the lever and the second cutting member.

Abstract: A ratcheting cutting tool for plastic pipes having first and second, elongated rigid members pivotally mounted to each other. Each rigid member has a handle and the first rigid member additionally has an anvil at an end opposite from its handle. A spring-biased, knife blade member with a cutting edge and with a plurality of ratchet teeth is pivotally mounted to the first member. The tool further includes drive and catch pawls pivotally mounted to the respective rigid members. In operation, the handles of the rigid members can be repeatedly squeezed together to progressively move the cutting edge of the knife blade member in a step-by-step manner toward the anvil to cut through a plastic pipe positioned therebetween.

Abstract: A pike pole has a cutting-piercing member connected to one end of the pole. The cutting member normally extends outwardly from the pike pole. The cutting member can be released by a controlling member and be pivotally moveable to a position extending generally along the piercing member.

Abstract: A pair of gardening shears include a first cutting blade, a second cutting blade, and two extension arms. The second cutting blade has a first portion pivotally mounted on the first portion of the first cutting blade by a pivot bolt. Each of the extension arms has a first portion pivotally mounted on the mediate portion of the second cutting blade and a mediate portion movably mounted on the second portion of the first cutting blade by a guide pin. Thus, when the first cutting blade is driven by the extension arms to pivot toward the second cutting blade, the guide pin is movable outwardly relative to the pivot bolt to increase a length between the guide pin and the pivot bolt to increase the force arm length and to produce a larger cutting force by the leverage action.

Abstract: A manually operable cutting tool for removing vegetation from a body of water such as along the shoreline of a pond or lake includes a handle and a pair of angularly adjustable cutting blades. The blades are selectively, pivotally adjustable between fully open and fully closed angular positions for ease and safety of handling. An optional floatation bar may be provided for attaching to the blades which allows the blades to be pulled across the surface of the water for collecting floating weeds.

Abstract: The strap and band cutter is specially configured to produce smoothly rounded corners on the ends of a cut band or strap when opening palletized loads and other materials secured together by straps or bands for shipping. The cutter is a manually operated shear having two elongate lever arms joined by a pivot. The arms terminate in handles at one end and cutting jaws at the other. The cutter operates in double shear, i.e., a central jaw having two cutting edges passes through the opposite jaw and its two shear faces. The jaws are specially configured to produce rounded corners on the two cut ends of the strap or band after cutting, thus greatly reducing or eliminating the chance of injury from contact with one of the ends of the cut strap.

Abstract: A serrated pipe cutter comprising handles pivotally coupled together and movable between first and second positions; wherein the first handle includes a grip at one end and a blade at an opposite end; the blade includes an elongated cutting edge which defines a cutting edge surface tapering inwardly, a plurality of serrations extending along the cutting edge, and a plurality of cutting tips extending between adjacent serrations. Each serration defines a cutting edge surface, a substantially concave facet tapering inwardly, and a linear serration cutting edge extending between adjacent cutting tips. Each cutting tip defines a cutting tip surface tapering inwardly and a linear cutting tip edge extending between adjacent serrations, at least a portion of which is offset from at least a portion of the serration cutting edge.

Abstract: A bar steel cutting tool in which a fixed blade body and a rotary blade body that is capable of rotating around a first shaft, by operating a handle, are provided at the front end of a tool base for shearing bar steel with concave blades formed on outer peripheries of the fixed blade body and the rotary blade body. The handle is so constructed that the front end of a proximal portion of the handle thereof is supported by a second shaft at a position above the tool base and equipped with an elongated hole extending obliquely backwards from the second shaft. The rotary blade body has an arm portion extending backwards, and forms branch portions which nip both the right and left sides of the proximal portion of the handle at the rear end thereof.

Abstract: A cutting tool includes a metal plate including a blade that forms a cutting jaw with an anvil, the metal plate being connected in an articulated manner to an anvil part at a first pivot point and connected operationally to a first elongated element for opening and closing the cutting jaw in response to the relative turning movement of the first elongated element and the second elongated element about the second and the third pivot points respectively.

Abstract: A bolt cutter. An illustrative embodiment of the bolt cutter includes a first jaw having a first jaw cutting edge, a second jaw pivotal with respect to the first jaw and having a second jaw cutting edge, a first handle pivotally carried by the first jaw, a second handle pivotally carried by the first handle and the second jaw, a rotatable sprocket carried by a first one of the first handle and the second handle and a roller chain meshing with the sprocket and attached to a second one of the first handle and the second handle.

Abstract: A pair of pipe cutting pincers includes a pincers body having a first handle and a second handle pivotally assembled together. The first handle has its front end pivotally combined with a pipe-cutting member disposed with a cutting blade and its rear end bent toward a second receiving groove to form a pivotal driven member An elastic member positioned between the first and the second handle has one end hooked on the first handle and the other end hooked with the rear end of the pivotally driven member for pulling the pipe-cutting member to carry out reciprocating shifting. A pivotal actuating member is pivotally assembled in the second handle to resist against the lower end of the pivotal driven member. In using, the pivotally driven member is actuated by the elastic member to move and make the pivotal actuating member rotate and drive a cutting edge to cut off a pipe.

Abstract: A pruning device is disclosed including a first handle coupled at a first end to a first jaw and a second handle, a first end of the second handle coupled to a second jaw. The first jaw and the second jaw are pivotally connected. A rotatable handle is interfaced to a second end of the first handle such that it rotates with respect to the second handle. A first end of a flexible medium is affixed to the second handle and a second end of the flexible medium affixed to the rotatable handle, whereas turning of the rotatable handle winds the flexible medium around the rotatable handle and the second handle is pulled towards the first handle.

Abstract: A pair of long-arm gardening shears include a hollow mounting seat, an extension tube, a cutting tool, a link, a toothed rack, two spaced driven gears, and two elongated handles. Each of the elongated handles is provided with a toothed drive portion meshing with a respective driven gear to rotate the respective driven gear. Thus, the cutting tool is driven by a leverage action of the handles and by a gearing action of the toothed drive portions of the handles, the driven gears and the toothed rack, so that the long-arm gardening shears can perform a cutting action in a labor-saving manner, thereby greatly saving the user's energy.

Abstract: A manually operable cutting tool for removing vegetation from a body of water such as along the shoreline of a pond or lake includes a handle and a pair of angularly adjustable cutting blades. The blades are selectively, pivotally adjustable between fully open and fully closed angular positions for ease and safety of handling. An optional floatation bar may be provided for attaching to the blades which allows the blades to be pulled across the surface of the water for collecting floating weeds.

Abstract: A handheld cable cutter is provided with two handles, a stationary cutting blade, and a rotatable cutting blade pivotally connected to the stationary cutting blade. One of the handles is movable such that movement of the movable handle toward and away from the other, stationary handle drives the rotatable cutting blade toward the stationary cutting blade. The stationary handle includes an enlarged, integral stabilizing base which rests upon a support surface when the movable handle is actuated to cut a cable.

Abstract: Left and right blades (4, 5) of children's scissors (1) are metal plates of a substantially constant thickness in their entirety. Outer peripheral end surfaces (4b, 5b) of distal end parts (4a, 5a) of the blades (4, 5) are end surfaces of a fixed width in which one end is uninterruptedly connected to distal ends (2a, 3a) of cutting blades (2, 3). A contour form of the outer peripheral end surfaces (4b, 5b) is defined by convex curves (C1, C2). The distal end parts (4a, 5a) of the blades (4, 5) form a heart-shaped contour form C in a state in which the blades (4, 5) are closed and the cutting blades (2, 3) are brought together. Even while the children's scissors (1) are open, there is no danger of an injury being caused by a sharp corner of the cutting blades becoming exposed and a finger tip or other body part coming into contact with the cutting blades, which is a problem in conventional scissors, and safety is achieved.

Abstract: A hand-held and hand-operated cutting tool particularly well suited for cleanly and quickly cutting plastic pipe or tubing, rubber hose, or the like is provided. The tool has a blade which is easily manually removed from and replaced into the cutting tool without the use of additional tools. The blade is slid into the tool and then rotated slightly into an initial operating or loaded position whereat a blade pivot pin may be inserted into the tool and through a hole provided in the blade. During use, the blade is rotatable in increments or steps from a retracted position in which it is substantially enclosed within the tool housing to a cut off position in which it cooperates with a stationary cradle anvil so as to sever the article to be cut. A ratchet drive interconnects a movable handle and the blade so as to incrementally drive the blade towards its cut off position upon manipulation of the handle.

Abstract: A lever actuated cutting tool that allows ground level cutting of shrubs and small trees from a standing position. The design of the cutting tool takes advantage of the principles of leverage and resistive force, and also incorporates a pendulum swing, to provide a tool that is able to generate a tremendous amount of cutting force. A padded handle is provided at the long end of the lever and a first sharpened steel blade is attached to the cutting end of the lever. The lever is rotate-ably attached to the fulcrum and the fulcrum lies on the ground during operation. A second sharpened steel blade is immovably attached to the base of the fulcrum, and the trunk of the shrub to be removed is positioned in between the two blades. The cutting action is accomplished by moving the lever downward toward the ground. The force applied by the user is multiplied by the lever and transferred to the first cutting blade.

Abstract: A hand-held coaxial cable stripper made up of first and second jaws pivotally connected to a body portion including a channel for insertion of a cable end, the channel containing blade members and a blade adjustment member for precise and accurate adjustment of the cutting depth of the blade.

Abstract: The present invention presents a pliers-like hand tool with special shaped cutting edges and grooved guides in the jaws of the tool so that when used to cut off the unwanted ends of cable ties the cable tie can be guided into the tool and positioned for cuffing the end of the cable tie leaving a smooth rounded end on the cable tie.

Abstract: Manual cutting tools for cutting cables, steel cord, rods to size, the cutting tools including a stationary cutting part connected to a stationary handle, and a movable cutting part adapted to be moved against the stationary cutting part by a movable handle via a transmission. Each of the stationary and movable cutting parts has associated therewith a concavely shaped replaceable cutting element mounted in a floating fashion.

Abstract: A wire cutter having a handle, a fixed cutting blade mounted on the handle, a lever pivotally connected to the handle, and a stop on the lever for engagement with the fixed cutting blade is disclosed.

Abstract: Pruning scissors comprise a blade and a counter-blade each integral with a grip and mounted so as to be pivoted around a threaded swivel pin cooperating with an adjusting nut of the blade and counter-blade. The nut is rotationally integral with a toothed wheel meshed with a retainer toothed member attached to the pruning scissors counter-blade through a blocking screw. The toothed wheel has an axial opening whose outline corresponds to the external outline of the adjusting nut and is adapted to be inserted around the nut. The retainer toothed member is a toothed gear and the toothed wheel and the toothed gear comprise a respective complementary device adapted to retain the toothed wheel around the nut against any axial movement when the gear is meshed with the toothed wheel.

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 scissors has a fixed handle, a fixed jaw extending from one end of the fixed handle, a movable jaw pivotable with respect to the fixed jaw, a movable handle pivoted with the fixed jaw along with the movable jaw by a common pivot, and a gear transmission mechanism. The gear transmission mechanism has a rack located at one end of the movable jaw, a drive gear rotatably mounted on the fixed jaw and engaged with the rack, and two driven gears rotatably mounted on the fixed jaw and engaged with the drive gear and the toothed edge of the movable jaw. The two driven gears are driven by the drive gear to cause the movable jaw to move toward or away from the fixed jaw.

Abstract: A hand-operated cutting tool includes first and second cutting members pivotally connected at a first pivot point, a lever having a longitudinal axis and pivotally connected to the first cutting member at a second pivot point, and a translatable curvilinear pivot connection between the lever and the second cutting member.