Abstract: There is provided electric pruning shears capable of arbitrarily adjusting an opening/closing width of a blade so as to improve user's satisfaction. Electric pruning shears 1 that cut an object sandwiched between a movable blade 4 and a fixed blade 5 is provided with a control board 109 that executes: a setting changing operation of operating, when a maximum open position adjusting portion 80 receives a change input, a motor 6 to move the movable blade 4 at the maximum opening angle with an opening/closing width before change to the maximum opening angle with an opening/closing width after change; and a movable blade opening/closing operation of operating, when an operation portion 60 is operated, the motor 6 to open/close the movable blade 4 between the maximum opening angle and the maximum closing angle with the opening/closing width after change.

Abstract: An installation tool for installing and uninstalling lock rings, bolts, cable lugs, hose clamps is provided. The installation tool comprises a frame assembly and a driving member secured to the frame assembly. The installation tool also comprises a gear assembly operatively coupled to the frame assembly. The gear assembly comprises a plurality of gears which are configured to receive rotational input from the driving member. The installation tool further comprises a jaw assembly operatively coupled to the gear assembly and the frame assembly. The jaw assembly comprises a plurality of jaw members which are configured to receive rotational input from the gear assembly. The installation tool comprises an electronic control unit and an intuitive graphic interface having a touch display. The installation tool ensures precise closing position of the jaw assembly to the tenth of a millimeter.

Abstract: A cutting device, such as a garden cutting device, includes a first and a second cutting element configured to move relative to each other, a first and a second gripping element configured to move relative to each other, at least one driving element, which in at least one operating state is configured to at least assist a movement of the second cutting element relative to the first cutting element, and a spring element. The spring element is configured as a brake element for switching of at least one self-switching coupling unit, thereby decoupling the driving element in at least one operating state in which the driving element is deactivated.

Abstract: A surgical instrument includes a handle assembly having an actuating rod extending therefrom, a rotating member, a release member, and a stop, the actuating rod translatable along a longitudinal axis defined therethrough. The rotating member is disposed within the handle assembly and is configured to operably engage the actuating rod via a cam and link arrangement. The release member includes a first catch configured to lock the rotating member against the force of an energy storage device in a first condition and release the rotating member to rotate in an opposite direction with the force of the energy storage device in a second condition. The stop is disposed on a peripheral edge of the rotating member and is configured to operably engage the first catch when the release member is disposed in the first condition to limit the rotational movement of the rotating member.

Abstract: A power tool includes a replaceable blade, a fixing device for clamping and securing the blade, a control circuit for controlling a driving device, and a main switch electrically connected to the control circuit. A safety device prevents the blade from moving when the fixing device is opened.

Abstract: A trigger-operated portable electric tool for performing a main function, characterized in that it has a double trigger with, on the one hand, a main trigger for operating it, which operates at least one moving active part of the tool and, on the other hand, an auxiliary trigger or secondary trigger connected to the main trigger by means of an articulation and configured to make an angle with the said main trigger, the pivoting of the auxiliary trigger about the articulation enabling actuation of a means of operating a system for performing at least one additional function of the tool.

Abstract: The invention relates to a portable electric tool having an active head motor-driven by an actuator and provided on the top end of a head-mounting shaft, the bottom portion of which has a handle, characterized in that a second shaft, or auxiliary shaft, is attached or arranged to be attachable onto the head-mounting shaft underneath and remote from said active head while forming, at least in the proximal portion thereof, an acute angle with said head-mounting shaft. The size of said auxiliary shaft being such that the free end thereof, provided with a handle, is located at or substantially at the handle being provided with the bottom part of the head-mounting shaft, one of said handles constituting the control handle of said actuator.

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: Electric shears include a housing, a motor within the housing, a transmission including a reduction gearbox and a bevel gear pair, a fixed blade, a movable blade rotatably connected to the fixed blade and coupled with the motor via the transmission. The movable blade swings back and forth about its connection with the fixed blade. The fixed blade is supported on the reduction gearbox and fixed to the housing together with the reduction gearbox. Electric shears are thus provided with a small shape, a simple and compact interior structure, and better portability.

Abstract: A power pruner includes a housing, a motor arranged in the housing, a transmission device connected to the motor, a pair of blades and a trigger which is arranged on the housing and used to control the motor. The pair of blades include a fixed blade and a movable blade which is driven by the motor to swing back and forth. The power pruner additionally includes a stroke switch which is arranged on the housing and has at least two statuses wherein the movable blade has a first stroke when the stroke switch is in a first status and a second stroke different from the first stroke when the stroke switch is in a second status.

Abstract: Electric scissors (1A, 1B) is provided with: a first blade (2A, 2B); a second blade (3A, 3B); a toggle link mechanism (7A, 7B) including a first link (71A, 71B), a second link (72A, 72B), and a drive shaft (70A, 70B); and a drive section (5, 6). One end of the first link (71A, 71B) is rotatably connected to a transmission portion (21A, 21B) of the first blade (2A, 2B). One end of the second link (72A, 72B) is rotatably connected to a transmission portion (31A, 31B) of the second blade (3A, 3B). The other end of the first link (71A, 71B) is rotatably connected to the other end of the second link (72A, 72B) through the drive shaft (70A, 70B). The drive section (5, 6) is configured to open/close the first blade (2A, 2B) and the second blade (3A, 3B) by displacing the drive shaft (70A, 70B) in a direction perpendicular to an axial direction of the drive shaft (70A, 70B).

Abstract: A hand-operated machine tool includes a movable lever having a cutting portion and a driving portion, a stroke drive comprising a rotating stroke eccentric driven about a rotation axis, the stroke drive operable with the driving portion to reciprocate the cutting portion between end positions, a cam carrier comprising an adjusting cam disposed between the stroke eccentric and the driving portion and operable to move together therewith, the adjusting cam comprising a pitched portion, and a retaining stop configured to engage the cam carrier and move between a released position and an active position. When the retaining stop is moved to the released position, the cam carrier engages and drives the stroke eccentric. When the retaining stop is moved to the active position, the cam carrier disengages the stroke eccentric, thereby adjusting the end positions of the movable lever.

Abstract: A hand-held cutting tool for removing encapsulant surrounding a fiber optic cable splice includes a pair of saw-tooth edged scissor blades, coupled through a gear and drive shaft to a motor included within the tool. When activated, the gear functions to move the pair of blades back and forth, resulting in a scissor motion of the blades sufficient to cut through and remove encapsulant surrounding an fiber optic cable.

Abstract: A branch cutter tool (1) having two blades (11,12) that are movable in relation to each other, of which one blade (11) is rigidly connected with a housing (2) and the other blade (12) can be moved by an electric motor (5) via a threaded spindle (8), a threaded nut (21) arranged on the threaded spindle and a rod assembly connected to the threaded nut. The blade (11) has an extension (13) projecting into the housing (2) and the threaded spindle (8) is rotatably supported by means of a rolling bearing (31) which is fixed to the threaded spindle (8) and is axially supported in a recess (17) formed into the extension (13) such that the cutting forces taking place in a cutting operation are absorbed by the components involved so that the housing (2) is not subjected to stress by these forces. The tensile forces transferred to the threaded spindle (8) when the movable blade (12) is closed are applied to the extension (13) via the rolling bearing (31).

Abstract: A portable tree trimming device comprising a pruning mechanism secured at a distal end of a telescopically extendible housing. The pruning mechanism includes cutting members exterior of the housing drivable by a motor within the housing. The motor receives current furnished thru a coiled cable within the housing receiving power from either a domestic electric source or from a battery unit positioned within the housing. The coiled cable extends and protracts in unison with extension and protraction of the extendible housing.

Abstract: A coated monofilament comprising a polymeric monofilament and a coating of an amide melamine wax. The coated monofilament exhibits excellent lubricative and wear characteristics and can be reprocessed without adversely affecting the physical properties of the polymeric monofilament. A process for producing the said coated monofilament is also disclosed.

Abstract: A pruning device is provided which includes an elongate support member having distal and proximal ends. A cutting mechanism is pivotably mounted on the distal end of the support member and includes a cutting member. An actuating mechanism including a motor and a drive member is provided for actuating the cutting member. The device further includes structure for mounting the actuating mechanism on the support member near the proximal end thereof and structure for coupling the drive member to the cutting member whereby rotational movement of the actuating mechanism pivots the cutting member from an inoperative position to an operative position.

Abstract: A convenient and effective cutter for a cable, a plastic pipe or the like is provided. The cutter includes a base rotatably receiving therein a screw rod having a screw portion and a driving end, an immovable blade having a first curved portion having a first curved knife-edge, and a movable blade having a second curved portion having a second inner curved knife-edge and an outer toothed surface capable of engaging with the screw portion. When the driving end is rotated, the two knife-edges can be set in a relative motion to cut a work piece contained between the curved portions.

Abstract: A hair shearing device is driven by a motor to duplicate the cut obtained by manually operated scissors. One blade of the hair shearing device is held stationary while the other blade is powered to cross over the stationary blade at a predetermined speed. The speed of the movable blade is controlled and is variable.

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 detachable cutter head (6), for fitting to a portable electric drill, comprises a movable blade (10) mounted to pivot with respect to a fixed blade (9) which consists of a leg portion (30) and a forwardly and laterally extending foot portion (31) defining a first shearing face (36). The movable blade (10) comprises a bifurcated leg portion (17) extending along side the fixed blade portion (30), and a foot portion curled towards and below the first shearing face (36) to form a second shearing face (50) with a rear bevelled edge (51), cooperating with the first shearing face (36).

Abstract: An improved vitrectomy instrument having a small diameter cutting probe comprising coaxial inner and outer tubes. The outer tube is formed with a triangular cutting aperture with the base of the triangle forming a step or ledge adjacent to the tip of the probe and transverse to the axis of the tube. The sides of the triangular aperture are tapered in cylindrical section along the side of the outer tube. The inner tube is adapted to oscillate longitudinally within the outer tube and the end of the inner tube forms a shearing edge with the base of the aperture. The base or ledge functions as a hook to catch the edges of semi-solid membranes to be severed.