Abstract: A method for removing a blind rivet includes a workpiece arrangement having first and second surfaces and a connecting hole. A blind rivet is fixed in the hole and has a shell and screw through the shell extending coaxially along a common center axis, the shell having a shell head portion, straight portion, deformation portion and threaded portion having an internal thread. The straight portion is in the hole and the deformation portion and the threaded portion protrude out of the hole, the screw having a screw head portion and pin portion having an external thread. The screw is in the shell such that the deformation portion of the shell is deformed where the outside diameter of the deformed deformation portion is larger than the diameter of the hole. The shell is cut in the region of the thread portion and/or the deformation portion, and the blind rivet is removed from the hole.

Abstract: An assembly to cut a hollow piling has a pressurized hydraulic fluid supply force to cut through a piling; a housing having a cavity to receive the hydraulic fluid, the housing having at least one cylinder wall; at least one piston assembly slidably disposed within the at least one cylinder wall configured to extend from the at least one cylinder wall in response to the introduction of pressurized hydraulic fluid into the housing cavity; a blade attached at a radially distal end of the piston assembly, whereby as the blade extends, a cutting force is applied to an encountered piling wall; wherein the blade edges are stepped/shingled on the upper and lower surface to allow overlapping of the blades when the blades are retracted. Spacers extend to a diameter equal to or beyond a blade tip diameter in its retracted position; and wherein the blade has a piercing point.

Abstract: Tools for operating on an object, such as a wire or cable are provided. The tool includes a housing and a working head assembly. The working head assembly has a movable section and fixed section secured to the housing. The movable section has a first end movably secured to a first end of the fixed section. The movable section has a second end that is releasably secured to a second end of the fixed section using a latch pin. The working head assembly also includes a latch pin stop that is positioned in the second end of the movable section. The latch pin stop is configured to prevent the latch pin from releasably securing the movable section to the fixed section until the movable section is properly aligned with the fixed section.

Abstract: An impact or extension handle for a needle assembly such as a Jamshidi needle can include an attachment portion and a handle portion. The impact or extension handle can also include an impact strikeplate. The attachment portion is configured to couple to the Jamshidi needle. A user can use the impact or extension handle to manipulate the position or angle of the needle assembly. A user can tap a mallet or similar instrument on the impact strikeplate to drive the needle assembly into a target location in a patient's body. The impact or extension handle can allow the user to hold his or her hands out of the way of equipment used during the procedure and away from potentially harmful radiation from imaging equipment used during the procedure.

Abstract: A pipe shears includes a base, a ratchet plate pivotally connected to the base, a cutter blade detachably mounted to the ratchet plate, a positioning member mounted between an elongated hole of the ratchet plate and a positioning groove of the cutter blade, and a push rod inserted in the base and stopped against a stop member. When the push rod is not pushed, it is positioned in the elongated hole of the ratchet plate and stopped against the positioning member to force the positioning member into engagement with the positioning groove of the cutter blade, and the cutter blade is not detachable at this time. When the push rod is pushed, the stop member is moved out of the elongated hole of the ratchet plate to unlock the positioning member from the positioning groove of the cutter blade for allowing removal of the cutter blade.

Abstract: An impact or extension handle for a needle assembly such as a jamshidi needle can include an attachment portion and a handle portion. The impact or extension handle can also include an impact strikeplate. The attachment portion is configured to couple to the jamshidi needle. A user can use the impact or extension handle to manipulate the position or angle of the needle assembly. A user can tap a mallet or similar instrument on the impact strikeplate to drive the needle assembly into a target location in a patient's body. The impact or extension handle can allow the user to hold his or her hands out of the way of equipment used during the procedure and away from potentially harmful radiation from imaging equipment used during the procedure.

Abstract: A band cutter for removing bands or rings from tubing joints such as those on and associated with plumbing fittings, in particular where the band or ring has been used to secure plastic plumbing pipe or tubing over a fitting. The band cutter includes a main tool body defining an upper portion and a lower portion, a fixed jaw situated on the upper portion of main tool body, a moveable lower jaw independently slideably attachable to the main tool body and situated below the fixed jaw and above the lower portion.

Abstract: A hair feathering razor including first and second interconnected handles that move between open and closed positions, a biasing element tending to open the handles, a razor blade extending outwardly from the first handle, and a hair guiding bar extending outwardly from the second handle, wherein the hair guiding bar and the razor blade are in parallel alignment and move toward one another in the closed position. The hair feathering razor can further include a roller rotatably carried on the hair guiding bar.

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

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

Abstract: Cutting apparatus is provided which includes clamping apparatus with two clamping members movable between a clamped position, wherein a portion of the saw blade is secured in position in use, and an unclamped position, wherein the saw blade is movable with respect to the clamping members. The apparatus is attached to or is integrally formed with shaft means which are substantially circular in cross section. The apparatus also includes the ability for user selection to operate the apparatus as a jigsaw or a scroller by operation of a locking mechanism.

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

Abstract: A compact dispensing tube opener for accessing contents of a dispensing tube having a dispensing tip and an inner seal. The opener includes a housing with first and second passageways therein meeting at an angle at an intersection. A blade carriage is movable in the second passageway and across the intersection at one end thereof, a manually accessible portion at an opposite end thereof extending from the housing. A cooperative guide structure at the housing and the blade carriage maintains carriage slidability within the housing during use without binding. Return springs are maintained in the housing for returning the carriage after use. A dispenser tube tip locator is slidably maintained at the housing adjacent to an opening to the first passageway and has plurality of angled passages therethrough each with a different diameter. A lance is mounted at the housing for puncturing the seal, and is pivotable into and out of a channel defined crosswise in the housing.

Abstract: A saw blade for medical, in particular surgical, applications having a recess for mounting the saw blade inside a saw which exerts an saw movement, especially an oscillating saw movement, to the saw blade. In order to improve the dynamic behavior of the saw blade, longitudinal flat areas of a surface of the saw blade are provided with a plurality of superficial impressions of a defined contour that are aligned at an angle to the longitudinal axis of the saw blade.

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

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

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

Abstract: A plastic pipe cutter. The cutter includes a front recess for clamping a workpeice, a front chamber, a rear chamber in communication with the front chamber, a bar shaped cutting device including a front blade, a rear head, and a central shank extended through the front chamber and the rear chamber. A first assembly in the front chamber includes a stop plate having a hole with the shank passed therethrough. An activation member having a hole larger than the diameter of the shank with the shank passed therethrough. A first resilient member is put on the shank and biased between the stop plate and the activation member. A pivotal trigger with the top thereof is engaged with the activation member. A second assembly in the rear chamber includes a pivotal engagement member and a second resilient member put on the shank and biased between the engagement member and the inner wall of the rear chamber. A third resilient member is put on the shank and biased between the enlarged head and the rear of the cutter.

Abstract: An orbital reciprocating saw comprising a housing, a motor, a spindle movably supported within said housing and having a front end adapted to support a saw blade, a reciprocating drive assembly, an orbital drive assembly connected to said spindle to selectively drive the saw blade in an orbital path, an orbital adjustment assembly connected to the orbital drive assembly to adjust the orbital path of the saw blade, and an adjustable shoe assembly. The orbital drive assembly includes an eccentric cam member removably supported on the motor drive shaft and engageable with the spindle to cause orbital movement of the saw blade upon rotation of the motor drive shaft. The orbital adjustment assembly selectively disengages the spindle from the cam member during at least a portion of the rotation of the cam member to change the orbital path of the saw blade.

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

Abstract: The dermatome includes a blade assembly comprising a metal blade with fixedly attached thermoplastic carrier. The assembly is releasably mounted to the dermatome housing. A linear drive mechanism-that includes guide members and spring biasing of the blade assembly ensures linear, reciprocating blade movement that prolongs blade life. The linear drive mechanism is housed in a manner that facilitates cleaning and sterilization of the dermatome.

Abstract: A pipe cutter includes a slide slideably engaged in a housing and a cutting blade secured to the slide. A hand grip may move the cutting blade forward gradually for cutting a pipe. The housing includes one or more openings for engaging with one or more fasteners and for allowing the fasteners to be engaged into the housing and to secure the cutting blade to the slide without disassembling the whole housing. A retaining plate may be secured to the slide and engaged with the cutting blade for securing the cutting blade in place. A panel includes one or more screw holes for engaging with the fastener and for allowing the fastener to further secure the cutting blade and the slide together.

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

Abstract: A nut splitter (FIG. 1) incorporates a cutter blade (11), the working edge (16) (FIG. 4) of which is of a blunt, rounded profile. The blade (11) is preferably an equilateral triangle in section, with a cutting edge (16) formed at each apex, thereby enabling use of a blade holder (10) which allows easy change of the working edge (16).

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

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

Abstract: A pipe cutter includes a mouth formed in the front portion of a body for receiving a pipe to be cut, a handle pivotally coupled to the body and located in front of a grip, an upper cylinder and a lower cylinder coupled together, a container disposed in the body, and a cutter fixed to the piston rod of the upper cylinder. The container is connected between the cylinders. The hydraulic oil contained in the lower cylinder can be caused to flow into the upper cylinder when the handle is repeatedly pulled so that cutter can be caused to move forward in order to cut the pipe.

Abstract: A manual appliance for cutting pipes made of plastic, such as polyethylene, comprising a cutting blade mounted on a blade-holder moving under the action of a control screw between the two parallel branches of a guide saddle closed by means of a completely opening lower saddle.

Abstract: Objects are received between first and second cutting elements of a cutter, which is suspended via the first cutting element from a rod-like object to be cut. The first cutting element, which preferably is formed as a cutter suspension including a cutting blade, is moved into the rod-like object toward the second element, until that object has been cut. The cutter preferably is mounted on an elongate handle, and rotary motion of such handle is translated into movement of the cutting elements toward each other. A quick release mechanism permits quick release action of the second element and an elongate member permits holding of the first cutting element onto the object, while the second element is pushed with the elongate handle toward the object.

Abstract: A splitter device for splitting a nut or other fastener comprises a frame (20) guiding a cutter (30) for movement against a nut held by an abutment end portion (24) of the frame. The cutter has two spaced parallel blade edges (35) so that the fastener is split into two parts, from the same side.

Abstract: The invention is a dehorner for removing horns from the skulls of cattle or the like comprising a frame with a cutting side defining a plane and an operator side and having a fixed blade and a reciprocating blade which is projected toward the fixed blade during dehorning, both blades containing base portions which are contained within the plane of the frame and riser portions which extend outward from the plane of the frame on the cutting side so that the blades cut behind the base of the horn into the softer portion of the skull and remove all of the horn from the skull of the cattle.

Abstract: An instrument for cutting elongated pins used in orthopedic surgery includes a housing having a reduced diameter portion in which is disposed a piston reciprocable in a fluid chamber. An enlarged diameter portion of the housing forms a further part of the fluid chamber in which is disposed a second piston connected to a member forming a first cutting edge which is movable toward an anvil having a second cutting edge cooperable with the first cutting edge to shear a pin to a predetermined length. The smaller piston is engaged by a screw actuator disposed on the housing and which may be rotated to provide a substantial force multiplication whereby a sufficient cutting force is exerted on a pin. The instrument is provided with a transverse handle portion to facilitate handling and to hold the instrument against reaction forces of the screw actuator. The cutting edges are formed on cooperable anvil and actuating member portions.

Abstract: A multipurpose, hydraulically actuated apparatus comprising a piston movable in response to fluid under pressure within walls defining a piston chamber. Actuating fluid is supplied to the piston chamber by a uniquely constructed hand operated fluid pump. The area of the fluid impinging surface of the piston is in multiples of one inch. Accordingly, when the apparatus is used as a hydraulic scale the weight being lifted by the piston can be read directly on a pressure gauge which is calibrated in pounds per square inch and which is connected to the piston chamber below the piston.The apparatus can readily be converted to function as a cutting device by connecting a U-shaped member to the walls of the unit and by connecting a cutting element to the outer face of the piston. The U-shaped member includes spaced apart arms and a bight portion defining a closed space adapted to encircle the nut which is to be cut.

Abstract: A nut cutting tool in which a cutting head includes a yoke for embracing a nut to be cut and for supporting a fixed blade as close as possible to the nut, the cutting head guidably supporting a moveable cutter in a cutting plane toward the fixed blade and nut by a thrust from a pressure exerting means at right angles to the cutting plane including a second guidable element in the form of a wedge block operatively associated with the pressure exerting means and having an inclined cam surface facing the non cutting end of the movable cutter for forcibly urging the latter toward the nut to be cut.

Abstract: The invention relates telecommunications. It concerns in particular the cutting of optical fibre. It provides a hand tool which is generally shaped like pincers whose two legs move apart during operation, the optical fibre being fixed to each of the free ends of the legs which stretch it and press it against a rounded forming part fixed to one of the legs while a knife comes up to the forming part to start breaking the fibre by scoring it, all these operations being controlled by operating a single trigger lever. It applies to the forming of connections at the ends of the optical fibres.

Abstract: A tool for cutting a ring worn on the finger to effect removal of the ring from the finger. The tool includes a tool housing and a tool body movable with respect to the housing. The tool housing carries a first chisel type knife edge which is stationary during a ring cutting procedure. A second chisel type knife edge is movable with the tool body relative to the housing toward the first knife edge. A ring segment is accommodated between the knife edges where it is cut and severed. A shield is disposed between the ring bearing finger and the ring segment to be cut for the protection of the finger and to poise the ring segment preparatory to cutting. Mechanical means are provided for advancement of the knife edges toward one another to cut the ring segment.

Abstract: The cutter designed for the cutting of sunken bolts for the purpose of removing said bolts with nuts rusted thereon is comprised of a U-bolt having a head plate slidably mounted on the said U-bolt, a pair of jaw plates slidably mounted on the said U-bolt above said head plate and having opposing cutter jaws extending laterally therefrom and tapered towards short cutting edges for mounting over the outer end of a sunken base hold down bolt, and particularly over the outer end of a Johnny base hold down bolt with a nut that has rusted thereon so that the threaded shank passed threadedly through said head plate may be turned against the inner of said jaw plates to force the cutter edges together and cut off the end of said bolt without harm to said base and particularly said Johnny base, there being a pair of stop nuts threadedly engaging the outer ends of the U-bolt.

Abstract: A portable device for cutting and removing nuts, has two hydraulic assemblies connected by a high pressure, flexible hydraulic line. At one end of the line is a light hand-powered hydraulic pump, effective at any orientation. Attached to the other end of the line is a compact hydraulically actuated head unit. Recessed into the unit is a curved moveable jaw, opposite which and also recessed is a cutting blade. Enough room is provided between the cutting blade and the jaw for a nut to fit snugly. Pressure from the pump drives the piston towards the cutting blade, and cuts the nut, permitting its easy removal.

Abstract: There is disclosed a tool comprising a body having an opening which may be moved over a nut threaded onto a bolt and a surface on the opening to support the flat side of the nut, a bore in the body connected at one end with the opening opposite the supporting surface, and a rod having a cutting edge longitudinally reciprocal within the bore toward and away from the nut in the opening. The rod is so reciprocated by an operating system which includes a piston on the rod reciprocable within a cylinder on the body connecting with the other end of the bore.

Abstract: This device consists primarily of a manually operated clipper having a plastic member with an integral and internally threaded sleeve which receives an adjustable and threaded plug, providing floor means which will vary in depth.