Abstract: A flower shears includes a stationary unit, a movable unit and a driving unit. The stationary unit has a first blade portion at an upper part thereof, a first transmission portion with teeth at a middle part thereof, and a first handle at a lower part thereof. The movable unit is pivotally connected at a middle part thereof to the stationary unit and provided at an upper part thereof with a second blade portion. The driving unit is pivotally connected to a bottom end of the movable unit and provided with a second handle at a lower part thereof and a second transmission portion with teeth meshed with the teeth of the first transmission portion, such that the second blade portion of the moveable unit can be driven by the second handle through the engagement of the teeth of the first and second transmission portions to pivotally move toward the first blade portion of the stationary unit for cutting things.

Abstract: Two-stage force multiplier tin snips are provided which have a pair of cutting blades and associated tangs, both being pivotable about a cutting axis. Each respective tang is coupled to a pair of handles by a pair of respective tang pins. The handles are pivotably attached to one another about a handle axis. The tin snips provide a mechanism for changing a force multiplier of the cutting blades by selectively adjusting relative longitudinal positioning of the cutting blade axis, the handle axis or the tang pins, relative to another of the cutting blade axis, the handle pins or the tang pins.

Abstract: A pair of long-arm gardening shears include a main body, a first casing, a second casing, a cutting blade assembly, a retaining member, a push button, and a spring. Thus, the angle between the cutting blade assembly and the main body is adjusted so that the length of the long-arm gardening shears is adjusted, thereby facilitating a user operating the long-arm gardening shears to shear the lawn at a lower height and the branches at a higher level. In addition, the use only needs to press the push button so as to rotate the cutting blade assembly and to release the push button so as to lock the cutting blade assembly, thereby facilitating the user adjusting the angles of the long-arm gardening shears.

Abstract: A hand tool for use by one hand provides double compound leverage of the force exerted on the handles to the jaws. This is achieved by adding additional pivots and lever arms between the handles and the jaws. The jaws may take the form of a sheet metal snip or a pruning shear.

Abstract: A knife protection device used in a cutting device; the cutting device has a tool body; the tool body having a cutting section and a handle; the cutting section having at least one cutting portion. The knife protection device comprises a protection unit installed on the cutting section for preventing the cutting section to be expanded. The protection unit is a protection cover; and the protection cover is installed with a retaining portion and a knife protection portion. The tool body has a screwing portion; the screwing portion and the retaining portion have respective screw holes for retaining the protection unit to the tool body. The cutting portion has two knife edges; a clamping space is formed between one of the two knife edges and the knife protection portion; and another knife is capable of being receiving in the clamping space.

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: Shears having a locking mechanism which ensures self-locking closure without any light gap. A tumbler (24) on one limb of the shears pivoted by a slide button (22) has a cam surface (34) interacting in a self-locking manner with a catch groove (28) on a cam surface (32) on the other limb (14). The catch groove (28) can have a larger configuration in the direction of closure. An arched cam surface may also be provided, which is eccentrically located in relation to the pivoting axis of the tumbler. A fine locking device (50) for the slide button may be provided so the slide button can be fixed in different closed positions to prevent unintentional closure in the open position.

Abstract: A gardening pruner comprises two handles, two blades, two pivoting plates, and two actuating plates. The actuating plates are fastened at a bottom end with the handles and are provided at a top end with a toothed portion. The two actuating plates are pivoted together with the two pivoting plates by a pivot. The two blades are provided at a bottom end with a toothed portion and are pivoted together with the two pivoting plates by another pivot such that the toothed portions of the two blades are respectively engaged with the toothed portions of the two actuating plates, thereby resulting in a gear-type transmission of force from the handles to the blades.

Abstract: A marble and granite nipping tool that includes a pair of blade support plates as blade mounting ends whereto nipping blades having opposing nipping edges are releasably mounted and provides for setting a selected opposing nipping edge spacing to allow a use of the tool on different widths or thicknesses of marble and granite slabs, for removing or nipping off edge sections thereof. The tool includes a linkage consisting of lever arms secured at lever arm ends to the blade support plates undersurfaces that connect, in turn, through a pivot coupling to scissoring arms that and operated to provide a mechanical advantage to multiply a closure force directed through the scissoring arms and linkage and into the blade support plates for facilitating the removal of marble and granite edge sections. Which scissoring arms can, in one embodiment, be manually closed by an operator moving ends of the arms together, and, in another embodiment, by operation of a an automated scissoring arm closure arrangement.

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: Hedge shears has a pair of hands, a pair of blades and a rotatable connector secured between the handles and the blades. Each handle has a handle drive slot and each blade has a blade drive slot. The rotatable connector consists of two connecting plates. Each connecting plate has an elongated hole defined in the connecting plate and has a transverse abutting plate formed on an edge of the connecting plate adjacent to the transverse abutting plate of the other connecting plate. A pivot hole is defined in each abutting plate, and a shaft passes through the pivot holes. Two shaft hubs hold opposite ends of the shaft, and a pin secured under each hub passes through the drive slots in the handles or the blades. The blades are able to rotate around the shaft and be operated by the handles by moving the shaft longitudinally.

Abstract: A cutting tool which has a first cutting blade which is mounted in a scissors arrangement with a second cutting blade. The first cutting blade has formed at one end thereof a first cutting element and at the opposite end thereof a second cutting element. The second cutting blade has formed thereon a third cutting element at one end thereof and at the opposite end thereof a fourth cutting element. The cutting blades are pivotally connected intermediate their ends by the inner end by a pair of handle members with the cutting blades being captured between the handle members. The handle members are to be pivotable between a first position and a second position. When in the first position, the first cutting element and third cutting element are extended and capable of performing a cutting operation on an exterior structure.

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 pair of metal shears has two blades, two handles, a tag and a locking lever. The blades are pivotally connected to each other with a first pivot pin. The handles are pivotally connected to each other with a second pivot pin. Each handle is pivotally connected to one of the blade with a third pivot pin. The tag is attached to one of the handles to show information of the pair of metal shears. The locking lever is pivotally attached to one of the handles to engage with the other handle. With such an attached tag, the information or instructions about the metal shears can be clearly shown on the tag.

Abstract: A pair of metal shears has two blades, two handles, a tag and a locking lever. The blades are pivotally connected to each other with a first pivot pin. The handles are pivotally connected to each other with a second pivot pin. Each handle is pivotally connected to one of the blade with a third pivot pin. The tag is attached to one of the handles to show information of the pair of metal shears. The locking lever is pivotally attached to one of the handles to engage with the other handle. With such an attached tag, the information or instructions about the metal shears can be clearly shown on the tag.

Abstract: A pair of shears has a pair of handles, a pair of front connection portions, and a pair of cutting devices. Each front connection portion is disposed on a front portion of the respective handle. Each front connection portion has a through hole and a through aperture. Each cutting device has a first blade, a second blade, a pivot hole, two positioning grooves, and two round holes. Two extension springs each has two ends inserted in the round holes of the two cutting devices. A bolt passes through two hollow washers, two through holes, two pivot holes, and a nut. A positioning post is inserted in one of the through apertures. A positioning column passes through a hooking plate and is inserted in the other of the through apertures.

Abstract: A cutting tool, particularly hedge shears, comprising a first elongated handle member, a second elongated handle member pivotally connected to the first handle member at a first pivot point, a first blade member having a cutting edge and being pivotally connected to the first handle member at a second pivot point, a second blade member having a cutting edge and being pivotally connected to the second handle member at a third pivot point, the first and the second blade members being pivotally connected to each other at a fourth pivot point, the blade members being turnable relative to the fourth pivot point so that their cutting edges move in a scissor-like manner between an open and a closed position, the first, second, third and fourth pivot points forming a quadrangle in which an angle the vertex of which is formed by the first pivot point is approaching but not reaching 180° when the blade members are approaching their closed position, whereby the work done to close the shears creates a force which ten

Abstract: A lopping apparatus includes a first handle having a first blade storage compartment. The lopping apparatus further includes a first blade member connected to the first handle, the first blade member having a first cutting portion. The lopping apparatus additionally includes a second handle having a second blade storage compartment. Moreover, the lopping apparatus includes a second blade member connected to the second handle, the second blade member having a second cutting portion. The lopping apparatus additionally includes a first connecting link pivotally coupled to both (i) the first handle at a first pivot location which defines a first pivot axis, and (ii) the second handle at a second pivot location which defines a second pivot axis. The first pivot axis and the second pivot axis define a line L. The lopping apparatus is positionable in a lopping mode of operation and a storage mode of operation.

Abstract: A pruner comprising 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 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 locking mechanism for scissors-type shear allows closing and locking of the shear even when the locking element is placed in a locked position before the shears are closed. The shear includes first and second blade assemblies pivotably connected to one another. Each blade assembly includes a blade and a handle. A locking mechanism is slidably mounted on a first handle. The locking element is moveable between locked and unlocked positions. In the locked position, the sliding lock mechanism engages a catch element on the second handle to lock the shear in the closed position. The locking mechanism includes resilient arms and the catch element includes inclined cam surfaces. When the locking mechanism is placed in a locked position before the shear is closed, the ends of the resilient arms engage the inclined surfaces of the catch element, allowing the resilient arms to flew outwardly and pass over the catch elements.

Abstract: A lopping apparatus includes a first handle having a first blade storage compartment. The lopping apparatus further includes a first blade member connected to the first handle, the first blade member having a first cutting portion. The lopping apparatus additionally includes a second handle having a second blade storage compartment. Moreover, the lopping apparatus includes a second blade member connected to the second handle, the second blade member having a second cutting portion. The lopping apparatus additionally includes a first connecting link pivotally coupled to both (i) the first handle at a first pivot location which defines a first pivot axis, and (ii) the second handle at a second pivot location which defines a second pivot axis. The first pivot axis and the second pivot axis define a line L. The lopping apparatus is positionable in a lopping mode of operation and a storage mode of operation.

Abstract: A tool for the cutting or coining of metal, including two jaws connected to parallel links by two jaw joint bolts. Two handles are connected to each other by a handle bolt and are connected to respective jaws by two middle bolts. Each jaw joint bolt is provided with an eccentric bearing surface situated between two coaxial bearing surfaces. The distance and parallelism of the jaws can be adjusted by producing rotating of the eccentric bearing surface by rotating one or more of the jaw joint bolts. The angular motion of the jaws is synchronized by a cylindrical roller retained axially between the links, and guided in a slot formed by overlapped fingers of the jaws.

Abstract: A compound action snips includes a pair of handles mutually connected at a handle pivot and a pair of cutting blades connected to the handles. The blades each having a proximal end attached to a distal portion of one of the handles, and the blades are mutually connected at a blade pivot, so that converging movement of the handles causes converging movement of the blades. The blades have a cutting length in a range of 2.5 to 3.5 inches and a functional handle length of about 5.8 inches. The snips have a ratio of cutting length to overall snips length in a range of about 0.24 to 0.33, and a ratio of cutting length to handle length in a range of about 0.4 to 0.6. In addition, the ratio of the cutting length to the angular range of motion of the handles is in the range of about 0.05 to 0.09 inches/degree for a handle range of movement of 40° to 50°.

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 lopping apparatus includes a first handle having a first blade storage compartment. The lopping apparatus further includes a first blade member connected to the first handle, the first blade member having a first cutting portion. The lopping apparatus additionally includes a second handle having a second blade storage compartment. Moreover, the lopping apparatus includes a second blade member connected to the second handle, the second blade member having a second cutting portion. The lopping apparatus additionally includes a first connecting link pivotally coupled to both (i) the first handle at a first pivot location which defines a first pivot axis, and (ii) the second handle at a second pivot location which defines a second pivot axis. The first pivot axis and the second pivot axis define a line L. The lopping apparatus is positionable in a lopping mode of operation and a storage mode of operation.

Abstract: A hose cutter tool includes scissor arms joined at a pivot point having opposed jaws, one of which includes a cutter blade and the other of which defines an arcuate support surface to hold tubing material. As the arms are manipulated, the blade descends through and cuts the tubing material.

Abstract: A punch pliers device is disclosed for cutting J-channel used for fastening siding around an opening defined by a building. The device includes a first U-shaped member having a first and a second arm. A second U-shaped member has a first and a second limb, the second member being pivotally secured to the first member such that in a first disposition of the members relative to each other, the arms and the limbs define therebetween an opening for the reception therein of the J-channel. When the members are pivoted relative to each other to a second disposition thereof, at least some of the arms and the limbs cut through the J-channel such that subsequent bending of the J-channel to fit around the opening is permitted.

Abstract: A hookbill wire cutter specially designed to cut wire mesh components features a pair of opposing handles connected to a pair of jaws. Each jaw features an arcuate blade having a flat cutting portion and a tapered portion. The jaws are pivotally joined to open and close when the handles are actuated so that the blade cutting portions overlap in a scissor-like fashion. One of the arcuate blades features a notched tip that engages a wire member perpendicular to the wire member being cut. As a result, the wire cutter may be quickly and easily positioned. The arcuate blades are dimensioned to substantially surround a wire member so that the wire member is sheared flush when the jaws of the wire cutter are closed. As a result, generally smooth and flat cut wire ends are produced.

Abstract: A cable cutting tool with high hardness insert blades inserted between pivotably mounted levers. The levers are pivotably mounted to hand-grippable handles. The levers have jaws with a gap formed between inner facing surfaces thereof. The gap provides space for insertion of the insert blades.

Abstract: A hose cutter tool includes scissor arms joined at a pivot point having opposed jaws, one of which includes a cutter blade and the other of which defines an arcuate support surface to hold tubing material. As the arms are manipulated, the blade descends through and cuts the tubing material.

Abstract: A multipurpose tool having two pivoted cutter blades turned with two handles to act agaisnt each other, wherein a ratchet block is turned about a pivot at a front end of one handle and fixedly fastened to one end of one cutter blade, a stop block is pivotably mounted in one handle and turned by a rotary cap through a link between a first position where the cutter blades are allowed to be opened by moving the handles, a second position where the cutter blades are allowed to be closed by moving the handles, and a third position where the cutter blades are remained immovable when the handles are moved relative to each other.

Abstract: A bolt-cutter type cutting tool has two blade supports each mounted to pivot about a respective pin carried by at least one spacer member of the tool and each having at the free end of its inside edge a removable cutting blade. Each blade support comprises two parallel support members fastened to each other and between which is disposed a central spacer member carrying the pivot pins.

Abstract: A multipurpose tool may have several tool elements which pivot into storage positions in profiled handles attached to one of a pair of pliers jaws. A wire-cutter portion of each pliers jaw includes a sharp edge and a notch located at the throat of the pair of jaws, adjacent the sharp edge. The notches face toward each other to support and shear wire, but the bottoms of the notches are prevented from passing each other so that bulging material at the bottoms of the notches does not cause the jaws to bind against each other.

Abstract: A force-developing device for forceps of the type equipped with two jaw elements (2, 3) and with two handles (4, 5) includes a jaw (6A). A link rods system (6B) is articulated with the jaw (6A). A front end of a piston (7) is connected to the link rods system (6B). The piston is housed slidingly inside a first handle (4). A yoke (8) is provided for holding the second handle (5) relative to the first handle (4). A pair of complementary racks (9) mechanically drive the piston (7), the pair being borne by each of the two handles (4, 5). A trigger catch and a rack for preventing the return of the piston are borne by the first handle (4). The pair of complementary racks (9) for driving the piston (7), the trigger catch, and the rack acts alternately on the piston so that by successively moving the second handle (5) towards and away from the first handle (4), the piston (7) is moved forwards and the jaw (6A) is deformed by means of the link rods system (6B).

Abstract: A compound action snips includes a pair of handles mutually connected at a handle pivot and a pair of cutting blades connected to the handles. The blades each having a proximal end attached to a distal portion of one of the handles, and the blades are mutually connected at a blade pivot, so that converging movement of the handles causes converging movement of the blades. The blades have a cutting length in a range of 2.5 to 3.5 inches and a functional handle length of about 5.8 inches. The snips have a ratio of cutting length to overall snips length in a range of about 0.24 to 0.33, and a ratio of cutting length to handle length in a range of about 0.4 to 0.6. In addition, the ratio of the cutting length to the angular range of motion of the handles is in the range of about 0.05 to 0.09 inches/degree for a handle range of movement of 40.degree. to 50.degree..

Abstract: A hand tool having a pair of pivotally connected blades connected to a cutting blade having an arcuate outer edge with teeth thereon and an anvil so that on movement of the handles toward each other, the blade rotates toward the anvil and the anvil moves toward the blade to cut an object located between the blade and anvil.

Abstract: A shears including a first blade and a second blade acted against each other, and two pivoted actuating bars turned relative to each other to drive the blades, causing them to make a scissors action for cutting things, wherein the first blade has two projecting portions at one end, a smoothly curved side notch defined between the projecting portions, and a smoothly curved cutting edge at an opposite end along one side; the second blade has a neck portion at one end, a smoothly curved locating head extended from the neck portion and turned in the smoothly curved side notch on the first blade to limit the turning angle of the blades, and an anvil at an opposite end to act against the smoothly curved cutting edge of the first blade.

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 poultry processing device having a pair of substantially flat cooperating side-by-side thin blade-mounting members with a pair of cooperating blades mounted upon and extending forwardly in angled relation from the forward portions thereof, and secured at their rear portions by a transverse pivot pin. An adjustable spring member encircles the pivot pin and has opposite end portions each secured to a different one of the mounting members to urge the blades toward open position. A shiftable pin connects one end of the spring to one of the mounting members and shifts between a variety of positions along the length of one end portion of the spring to vary its torque. The lower blade extends downwardly at about a 45.degree. angle and is longer than the upper blade to compensate for the slicing action of the upper blade which results from the location of the pivot pin.

Abstract: In garden shears the locking device which holds the shear grips in closed position against the force of an opening spring is developed as a slide grip which lies free both on the top and on the bottom of the one hand grip so that this slide can be actuated by the thumb of both the right hand and the left hand without it being necessary also to use the other hand. The slide grip has spring detents which cooperate with indentations in said one hand grip.

Abstract: An apparatus for cutting hair, which includes a comb assembly attached to the blades of a pair of scissors. The handles of the apparatus are identical so that the comb-shears may be reversed to conveniently enable the use of combs with different sized teeth on the two shear blades. The invention also provides for rubber grommets to be placed within the middle finger/thumb loops and for the placement of a rubber pad between the handle pivot stops for increased user comfort.

Abstract: A wire cutter includes a fixed handle having an enlarged top end and a movable handle which has a top end pivoted to the enlarged top end and a gear unit stationarily provided on the top end. An elongated plate has a first end to which the gear unit is pivoted and a second end. A gear member is pivoted to the second end and meshes with the gear unit. A fixed cutting member includes a lower mounting portion fixed to the enlarged top end and an upper curved cutting portion. A curved movable cutting member is pivoted to the cutting portion and has one side formed with a toothed section. An extension spring is connected to the first end of the plate and the movable handle and biases the plate so that the plate inclines upwardly to permit engagement between the toothed section and the gear member. A pawl member is resiliently pivoted to the enlarged top end adjacent the gear member opposite to the gear unit.

Abstract: A cutting tool has respective first and second tool members cooperating to effect a cutting stroke between an open position and a closed position. The cutting tool has a first tool member having a first handle rigidly connected to a first cutting member, and a second tool member including a second cutting member pivotally secured to the first cutting member and including a tab and an elongated shank portion formed thereon and defining a channel therebetween. The second tool member further includes a fulcrum rigidly secured to the second cutting member and configured for sliding interaction with the shank portion of the second cutting member to effect the cutting stroke. In addition, a locking member is slideably mounted in a longitudinally extending slot formed in the first handle. The locking member is slideable within the slot from a locked position in which it is received within the channel to an unlocked position in which it is located outside of the channel.

Abstract: Shears are provided with a cutting mechanism for obtaining maximum leverage at the point in the cutting stroke corresponding to the maximum resistance. The cutting mechanism comprises cooperating first and second shearing members and a lever arm. The lever arm is pivotally connected to the first shearing member and a sliding connection is effected between the second shearing member and the lever arm.

Abstract: An improved all-way offset snips with full width wire cutter has bosses through which first and second blade members are pivotably connected for rotation about an axis perpendicular to the pivot bosses. The blade members have extended offset cutting surfaces with respect to the pivot bosses to permit the cutting of irregular shapes, particularly sharp curves and especially small circles, including opposing circles of about 2.0" to 2.5" diameters. The cutting surfaces are rotatable between an open position and a closed position for cutting the sheet material therebetween. The pivot bosses and the cutting surfaces are adapted for removal of material therefrom to permit resharpening of the offset snips while maintaining the offset of the cutting surfaces. The shanks of the blade members are also provided with wire cutting means, preferably a pinch cutter capable of being a limit stop for limiting rotation of the first and second blade members.

Abstract: A levered tool includes two cooperating jaws, two cover plates pivotably mounting therebetween the jaws, two handles providing a levering function for the jaws, and two pivotally connected toggles each of which includes a first end pivotally connected to one of the jaws and a second end fixed to one of the handles, wherein the tool is further provided with an adjusting device connected between the toggles and capable of adjusting the distance between the first ends of the toggles.

Abstract: This invention relates to radial cams and tools utilizing radial cams. The radial cam includes a flat plate having at least a first flat surface and a spiral groove therein having a spiral track formed of a plurality of tracks having progressively smaller radii and including an outermost track, innermost track and intermediate tracks therebetween. A return slot connects the innermost track to the outermost track whereby a continuous groove is formed. A device utilizing this cam includes a base, the above described cam pivotally mounted to the base, a cam follower slidably received in the continuous groove and a at least one lever arm pivotally attached to the cam follower and the base.

Abstract: A pair of scissors having a pair of blades which are slidingly fitted between a pair of handles which are pivotally supported one on the other. The blades are drawn out when the scissors are used, and they are accommodated between the handles when the scissors are not used, thus enabling the scissors to be easily carried.

Abstract: A lopper has first and second pivotably interconnected blades arranged on opposite sides of a cutting plane. The blades have arcuate cutting edges defining a crescent shaped opening which maintains the same configuration as it gradually diminishes in size before eventually disappearing as the cutting edges bypass each other during a cutting operation. Preferably, one of the blade tips extends angularly away from the cutting plane.