Abstract: An exercise unit includes a pair of brackets configured to attach to a desktop in a spaced manner, a first set of resistance bands extend from a handle to the two spaced brackets in a horizontal orientation with the handle near a mid-point thereof. When attached to the desktop, the brackets maintain the resistance bands and handle generally underneath the desktop when not in use. When needed, the user grips the handle with two hands and performs various exercises while seated in his or her chair. The handle is configured ergonomically to match the angle of the user's hands when gripping the handle from a seated position. As second set of resistance bands with handles at one end thereof may be attached to the brackets to perform additional exercises.

Abstract: A method for clamping a workpiece that is first provided with depressions, wherein these depressions are, arranged in one row or a field having a grid distance of 3 mm. The grid distance is thereby the center distance of the depressions, the depth of which is preferably less than the length of the depressions measured in direction of the row of the depressions. The distances between the depressions preferably correspond approximately to the length of the depressions. The grid distance of 2.5 mm to 3 mm has proven to be an optimum for a wide range of usable workpieces and materials.

Abstract: An improved jig for manufacturing a firearm lower receiver is comprised of a power tool mount; an adapter; a guide plate with plate screws; a rear support with mounting screws; a front support; and at least one of a carriages with at least one locating pin. A guide plate is disposed below the top surface of a lower receiver in conjunction with an adapter. The jig is a universal fitment and includes a bearing to support a rotary tool and at least one guiding feature can be used to facilitate in the guidance of the rotary tool without placing the rotary tool in direct contact with any of the guidance features. A removable locating pin is situated a long the front and rear takedown pin holes of a firearm receiver that is not threaded and is provided with at least one of a pull, string or other handle.

Abstract: A workpiece gripping device includes a base body and a pair of finger units configured to grip a workpiece. A first finger unit of the pair of finger units includes a scoop member configured to reciprocate in the direction of the arrow Z relative to the base body and rotate on a plane perpendicular to the direction of the arrow Z. A second finger unit of the pair of finger units includes a pressing member configured to reciprocate in the direction of the arrow X and rotate on a plane perpendicular to the direction of the arrow Z.

Abstract: A device for holding a workpiece that includes a first clamping element and at least one second clamping element, wherein the first clamping element and the second clamping element each include on an end side extending in a radial plane a first engagement structure and at least one second engagement structure at different radial positions configured to engage at a first time an end side of a first workpiece having a first diameter and at a second time an end surface of a second workpiece of a second diameter different than the first diameter for holding the workpiece by moving the first clamping element and the second clamping element in the radial direction.

Abstract: A machining jig for rotatably supporting a workpiece comprising: a rotary drive part which rotates a seating part about a rotation axis, a clamp arm which has a rotary type clamp member which cooperates with the seating part to fasten a workpiece at a position separated from the seating part in a direction along the rotation axis of the seating part, a linear drive part which moves the clamp arm in a direction along a rotation axis, a position adjusting part which adjusts a position of the clamp arm in a plane intersecting the rotation axis, and a tilt adjusting part which adjusts a tilt of the clamp member so that a rotation axis of the clamp member becomes parallel with the rotation axis of the seating part.

Abstract: A tenter apparatus for clipping a film includes a frame including a supporting surface supporting the film, and a clip arm which is installed to the frame and rotatable relative to the frame, clips the film along with the supporting surface of the frame and includes a plurality of first contact protrusions which is disposed at a bottom surface of the clip arm and contacts the film.

Abstract: A wire sorting fixture includes a cable support configured to support a multi-wire cable and a wire support configured to support wires of the cable. The wire support has a top surface. The wire support has cradles open at the top surface. The wire support has separating walls between corresponding cradles. A top plate is positioned above the wire support. The top plate is moved toward the wire support to a clamping position after the wires are positioned in the corresponding cradles. The top plate holds the wires between the top plate and the wire support in the clamping position.

Abstract: A system for repairing a pipe including a tool, a programmable logic controller and a patch. The tool includes a clamp base having an opening, a first jaw coupled to the clamp base with a first linkage, a second jaw coupled to the clamp base with a second linkage, an operating mechanism carried by the clamp base and operably coupled to the first and second jaws via one or more adjusting links and a junction box carried by the clamp base and operably connected to the controller, wherein the one or more adjusting links are coupled at a first end to either or both of the first and second jaws and at a second end to the operating mechanism, and wherein the first and second jaws are adapted to move, under force of the adjusting links. Methods of repairing pipes are disclosed.

Abstract: A method of fixturing a plurality of dissimilar blade assemblies, wherein each assembly undergoes one or more manufacturing steps to bring it to a finished form, the method comprising the step of providing on each of the articles a datum feature, wherein each datum feature is of identical form and dimension, in turn a) locating the datum feature of a first one of the articles in a complimentary fixture to secure the dissimilar article, b) performing at least one manufacturing step on the secured dissimilar article, c) removing the dissimilar article from the fixture, d) locating the datum feature of another of the articles in the complimentary fixture to secure the dissimilar article, e) performing at least one manufacturing step on the secured dissimilar article, f) removing the dissimilar article from the fixture.

Abstract: An exemplary embodiment providing one or more improvements includes removable faces for jaws in machine vise which are able to grip a work-piece with great stability, accuracy, and reproducibility. Embodiments include multiple gripping features so the gripping surface easily can be renewed by demounting and reversing a worn face to a new face. Embodiments include the ability to of the claw jaws to be mounted on any fixed or moveable vise station to use the entire clamping range of the machine vise. Embodiments are disclosed which are used with round or curved as well as flat work-pieces. Embodiments also include flat surfaced claw jaws which may be used to grip a work-piece for secondary machining to remove indentations from the work-piece.

Abstract: A device and method of use for aligning structural elements to be connected is presented. In particular, the present invention relates to providing an end of a first structural element and an end of a second structural element; providing an aligning device including a head configured to be removably secured proximate the end of the first structural element, the aligning device further including an alignment element attached to the head, the alignment element having a rotatably secured plunging body extendable from the head; extending the plunging body from the head to non-rotatably engage the second structural element; and moving the non-rotatably engaged second structural element via extension of the plunging body to align the end of the second structural element with the end of the first structural element.

Abstract: An exemplary embodiment providing one or more improvements includes removable faces for jaws in machine vise which are able to grip a work-piece with great stability, accuracy, and reproducibility. Embodiments include multiple gripping features so the gripping surface easily can be renewed by demounting and reversing a worn face to a new face. Embodiments include the ability to of the claw jaws to be mounted on any fixed or movable vise station to use the entire clamping range of the machine vise. Embodiments are disclosed which are used with round or curved as well as flat work-pieces. Embodiments also include flat surfaced claw jaws which may be used to grip a work-piece for secondary machining to remove indentations from the work-piece.

Abstract: The present invention relates to a machine tool for machining of workpieces, having a workpiece support for mounting the workpiece, a tool holder, which can be moved at least along one axis, for holding a tool for machining the workpiece, and workpiece holding units for fixing the workpiece during the machining, the workpiece holding units being arranged outside the workpiece support surface of the workpiece support, which is covered by the workpiece in the mounted state, and each having a holding element for fixing the workpiece. In order that also workpieces of greater diameter can be machined, the machine tool otherwise being of the same dimensions, it is provided according to the invention that the holding elements can each be moved, substantially parallel to the workpiece support surface, in the direction of the workpiece, in particular in the direction of a central workpiece axis, which runs perpendicular to the workpiece support surface, for the purpose of centering and fixing the workpiece.

Abstract: A tool for gripping, clamping or holding an object, wherein the tool has a handle portion, a linkage portion and a working portion, and wherein the working portion includes two workpiece contacting surfaces, at least one of the surfaces shaped to generally conform to at least a portion of the outer surface of a workpiece to be clamped, gripped or held. In some embodiments, at least one of the workpiece contacting surfaces is adapted to provide a treatment to a workpiece being clamped, gripped or held.

Abstract: A clamping fixture is provided for mounting work pieces. The clamping fixture includes a base, a supporting member, a covering member, and a positioning member. The supporting member and the positioning member are attached to the base. The work piece is clamped by the covering member and the supporting member. The positioning member is used for changing its position with respect to the base and fixedly mounted thereby for abutting against the work pieces.

Abstract: A welding torch maintenance center that uses a microcontroller to control the operation, to configure the maintenance center, to repeat the reaming process for excessive spatter deposit inside the nozzle, to spray the nozzle with anti-spatter fluid, to cut the welding wire, to provide a tool center point check signal, and to provide diagnostic information.

Abstract: A locating system and method for accurately positioning key blanks with respect to a key cutter where the key head is clamped between opposing jaws with the key blade working edges projecting therefrom, the key head is provided with shaped recesses having at least a partially specifically shaped edge wall and wherein at least one jaw member is provided with a projection having a correspondingly shaped sidewall, the pin being positioned with respect to the clamp such that when the key blank head is abutted against the pin with the key blank edge configuration mating to the pin sidewall configuration, the key blade will project from the jaw in a proper position for engagement by either the bitting follower or bitting cutter respectively.

Abstract: A tooling system comprises a plurality of elongate elements each having an upper surface, said elements being arranged in an array to present said upper surfaces for machining by cutting tool means; support means for supporting said elements, each said element being supported on said support means for axial movement between upper and lower positions relative to the other elements in the array thereby to enable adjustment of the vertical position of said element surface; and clamping means for clamping the array of elements in a closed position in which the elements contact one another for enabling the free ends of the elements to be machined to produce a desired surface contour.

Abstract: A clamp has an open state for inserting an object from a front end and a closed state for holding the inserted object relative to a back end. The clamp includes a frame as well as a first arm and a second arm that is positioned within the frame. At least one of the first or second arms is pivotable relative to the other along a range of motion that traverses an open position corresponding to the open state of the clamp and a closed position corresponding to the closed state of the clamp. In one embodiment, at least one of the first and second arms are shaped to position the object between a front end and a back end when the clamp is in the closed state such that a pressure exerted by insertion of the object to the backend causes the front end to move along the range of motion to the closed position.

Abstract: A fixture assembly for securely positioning a plurality of blades loosely assembled on to a rotor of a gas turbine engine in which axial clamping forces are translated to apply radial expansion forces on the blades to simulate a centrifugal force on the blades during engine operation.

Abstract: A combination ball clip and ball liner includes a ball liner for marking a club head guideline, a directional guide line and a 360° horizontal guideline on a golf ball, and a ball clip for holding down a golf ball in the ball liner for marking guidelines. The ball clip includes a hollow mounting block fastened to the ball liner, a smoothly arched clip body pivoted to the hollow mounting block, and an elastic member mounted in the hollow mounting block to bias the smoothly arched clip body, holding the smoothly arched clip body in the ball-holding position.

Abstract: A takeout holder including a takeout jaw formed of plastic.

Abstract: A takeout jaw for handling glass bottles includes a holder for both fixed and floating inserts. This design allows an insert to be in a fixed position when the insert is provided with a nominal thickness. When a floating insert of a lesser thickness is installed, the spring clip does not engage the floating insert, which allows the floating insert to move vertically or float. The takeout holder contains either type of insert within the pocket with retaining clips that engage chamfers formed on the inserts.

Abstract: A tool for gripping, clamping or holding an object, wherein the tool has a handle portion, a linkage portion and a working portion, and wherein the working portion includes two workpiece contacting surfaces, at least one of the surfaces shaped to generally conform to at least a portion of the outer surface of a workpiece to be clamped, gripped or held. In some embodiments, at least one of the workpiece contacting surfaces is adapted to provide a treatment to a workpiece being clamped, gripped or held.

Abstract: An actuated edge grip chuck includes tabs with raised portions that press against the side of a substrate as opposed clamping on the top or bottom surfaces. The edge grip chuck includes a solid-state actuator to move a moveable tab into an open position. The solid-state actuator may be, e.g., a piezoelectric actuator or a shape memory alloy. The tab may be biased into the closed position such that when a substrate is held by the edge by the moveable tab and one or more fixed tabs. If desired, more than one moveable tab may be used.

Abstract: A device for holding a golf ball during printing of indicia thereon. The device includes a base, a stationary member attached to the base and having a surface for engaging a portion of the golf ball, a clamping member slidably mounted on the base and having a surface for engaging a portion of the golf ball, and positioning members having springs that urge the clamping member toward the stationary member.

Abstract: The device for holding in an axial direction a pouring neck of a bottle having a radially projecting neck ring and for arresting the pouring neck against a torque applied to the pouring neck in one of two rotary directions upon rotation about the axis of the pouring neck has a carrier (1) which is open at one side and which partially embraces the pouring neck and which has a U-shaped opening (2) with an arcuate bottom (3) whose central axis is perpendicular to the carrier (1), and also has a projecting engagement portion (9) for arresting against rotary movements.

Abstract: A cantilever clamping device capable of clamping work pieces of variable sizes and shape is equipped with a quick release button at its fixed arm to release the threaded rod and hence the work piece. The Quick Release Cantilever Clamp utilizes a fixed arm and a movable arm with floating pads to clamp the work piece. Clamping action is achieved by turning the threaded rod, one end of which is connected to the movable arm and the other end is attached with a turning handle. Both the fixed arm and the movable arm are designed to have clamping teeth on the curved inner edges to clamp large size cylindrical work pieces and the floating pads are for smaller size cylindrical work pieces and work pieces of different shape and sizes. The fixed arm is equipped with two holes for attaching the optional base block to mount the clamp on a work surface.

Abstract: A new and improved wafer support for supporting wafers in a process chamber such as an edge bead removal (EBR) chamber. The wafer support comprises multiple wafer support units each including a gripper block that engages an edge portion or bevel of the wafer. The gripper block is attached to an engaging and disengaging mechanism for selectively causing engagement of the gripper blocks with the wafer to support the wafer and disengagement of the gripper blocks from the wafer to release the wafer for removal of the wafer from the chamber. The gripper blocks contact little or none of the surface area on the patterned surface of the wafer to prevent or substantially reduce the formation of contact-induced defects on the wafer.

Abstract: A compound soft jaw for use in a machine vise has a replaceable jaw member into which the templates of the workpieces are cut. The compound soft jaw has a primary jaw member secured to a receiving plate of the machine vice. The first secondary jaw member is secured to the primary jaw member. The first secondary jaw member is machined to have a cutting template formed therein such that as the workpiece is secured within the machine vise, the workpiece is machined according to the template. Upon completion of machining of the workpiece, the first secondary jaw member is replaceable by a second secondary jaw member into which a second cutting template is formed. The primary jaw member has a height less than a height of the receiving plate. The secondary jaw member is placed on the primary jaw member and is forced into contact with a surface of the receiving. The secondary jaw member is then supported by the receiving plate, which prevents the secondary jaw member from movement during securing the workpiece.

Abstract: A device for holding a golf ball during printing of indicia thereon. The device includes a base, a stationary member attached to the base and having a surface for engaging a portion of the golf ball, a clamping member slidably mounted on the base and having a surface for engaging a portion of the golf ball, and positioning members having springs that urge the clamping member toward the stationary member.

Abstract: A gripping apparatus is disclosed. The gripping apparatus includes a first finger including a plurality of first sawteeth along a first longitudinal end and a receiving area being located between adjacent sawteeth and a second finger including a plurality of complementary sawteeth juxtaposed from the first sawteeth. One of the first and second fingers is movable relative toward the other of the first and second fingers such that an object to be gripped is positioned in the receiving area by one of the plurality of complementary sawteeth. The object is releasably retained against the receiving area by the second finger. A method of gripping an object is also disclosed.

Abstract: The pipe cutter includes a jigsaw with a motor that reciprocates a saw blade back and forth. A way is clamped to the jigsaw. A workpiece holder is slidably mounted on the way. The workpiece holder has a workpiece slot with a base, two side walls and a saw blade slot. A handle is attached to the workpiece holder. A pipe that is to be cut is placed in the workpiece slot and the workpiece holder is moved along the way toward the saw blade. The saw blade forces the pipe toward the base of the workpiece slot and cuts the pipe.

Abstract: A workholding device for holding a workpiece securely for machining. One embodiment comprises a V fixture. Embodiments of the present invention are designed to be versatile and to provide the ability to accomplish other tasks beyond workholding, for example, enabling the punching of parts, the dressing of diamond wheels, sharpening drills of a wide range of sizes, and enabling deep hole center drilling.

Abstract: A clamping tool which can generally be utilized to align and hold tubes to be welded. The clamping tool has a curvilinear body or frame similar to a traditional “C”-shaped clamp which is well known in the art. The tool of the present invention has at least one solid angle clamping element or member which is formed from a single piece of metal. Advantageously, the solid angle clamping element is free of welds and can withstand numerous heating and cooling cycles typically associated with welding.

Abstract: A quick-change tie bar mechanism includes an actuator having a rod coupled to a first bearing member and a body coupled to a second bearing member. The first and second bearing members are configured to reciprocally move in opposite directions in response to extension and retraction of the rod relative to the body. The bearing members have a first configuration for engaging a nut threaded on a tie bar to fix the tie bar in relation to a platen through which the tie bar extends. The first and second bearing members also have a second configuration for releasing the tie bar to permit removal through the platen so that a part may be accessed for removal and/or replacement.

Abstract: A fixturing device for holding a workpiece for processing by an induction hardening machine includes a first subassembly constructed and arranged to be attached to an induction coil subassembly which is movable into and out of position around the workpiece. A second subassembly, virtually identical in construction to the first subassembly, is attached to the induction coil assembly and the two subassemblies are spaced apart so as to face one another and so as to define therebetween a workpiece-receiving region. Each subassembly includes an L-shaped bracket with one leg configured for attachment to the induction coil assembly and the other leg configured with connecting rods for attachment to a holding block. There are three connecting rods, two in the form of cylindrical pins, and one, the center connecting rod, being externally threaded for connecting a holding block to the L-shaped bracket. The two cylindrical pins receive coil springs so as to spring bias the holding block.

Abstract: A tube clamping assembly comprising a first portion having a base and a clamping device carried on the base, and a second portion having a base and a clamping device carried on the base. The first and second portions are coupled to each other such that the portions may be adjusted relative each other. In another embodiment, the invention is a tube clamping assembly comprising a base, and a first movable clamp arm and a first stationary clamp arm coupled to the base for gripping a cylindrical workpiece therebetween. The tube clamping assembly further comprises a second movable clamp arm and a second stationary clamp arm coupled to the base for gripping a cylindrical workpiece therebetween, wherein at least one of the stationary clamp arms is removably coupled to the base.

Abstract: A workholding device for holding a workpiece securely for machining. One embodiment comprises a V fixture. Embodiments of the present invention are designed to be versatile and to provide the ability to accomplish other tasks beyond workholding, for example, enabling the punching of parts, the dressing of diamond wheels, sharpening drills of a wide range of sizes, and enabling deep hole center drilling.

Abstract: An improved jaw for a rod gripping device is provided including a front, rod engaging face with a plurality of teeth or studs made of a material harder than the jaw body, such as tungsten carbide, with the studs positioned to engage an outer rounded rod surface. In one embodiment, the studs are oriented radially inward toward a longitudinal axis defined by the rod engaging surface. The rod engaging face of the jaw may have a concave shape in its lengthwise direction, thus being adapted to grasp a cylindrical member such as a rod or pipe section. A tool for gripping a rod including a pair of jaws is also provided.

Abstract: A casting machine is disclosed having a quick-change tie bar mechanism. This mechanism includes an actuator having a rod coupled to a first bearing member and a body coupled to a second bearing member. The first and second bearing members are configured to reciprocally move in opposite directions in response to extension and retraction of the rod relative to the body. The bearing members have a first configuration for engaging a nut threaded on a tie bar to fix the tie bar in relation to a platen through which the tie bar extends. The first and second bearing members also have a second configuration for releasing the tie bar to permit removal through the platen so that a part may be accessed for removal and/or replacement. In another embodiment, a number of platens are included as are a number of tie bars configured to guide movement of one of the platens relative to another.

Abstract: A magnetic clamp (20) for welding a magnetic object (504), includes a first magnetic member (22) and a second magnetic member (24). A hinge (26) connects magnetic members (22) and (24) so that an angle formed by magnetic members (22) and (24) may be changed. A spring loaded terminal (500) having a contact end (502) is disposed between first magnetic member (22) and second magnetic member (24). Magnetic clamp (20) may be attached to magnetic object (504) so that first magnetic member (22), second magnetic member (24), and contact end (502) all abut magnetic object (504). In a preferred embodiment, a removal tab (36) is connected to magnetic clamp (20) to assist in removing magnetic clamp (20) from magnetic object (504).

Abstract: A fixture for holding an integrated circuit. The integrated circuit is of the type having a front side and an opposing back side. The fixture positions the integrated circuit for simultaneously electrically probing and viewing both the front side and the back side of the integrated circuit. A supporting brace provides a support that is immobile in at least a first direction, against which to cooperatively brace the integrated circuit. A first jaw piece is disposed adjacent the supporting brace. The first jaw piece has a vee shape for receiving a first corner of the integrated circuit and cooperatively aligns the integrated circuit into a position for simultaneously electrically probing and viewing the front side and the back side of the integrated circuit. An adjustable brace provides a movable second position in the first direction relative to the supporting brace, against which to cooperatively brace the integrated circuit with the supporting brace.

Abstract: A clamp (10) having at least one clamping assembly (11) comprising a base plate (17) and a pair of tension elements (14, 15), the base plate (17) including a pair of oblong holes (16) which converge towards a central line, each of the two tension elements (14, 15) being fully or partially curved at its peripheral face, the peripheral face being made of a skidproof “non-slip” material, a respective tension element (14, 15) being mounted in a respective one of the two oblong holes (16) and positioned such as its axis is substantially perpendicular Lo the base plate (17), the tension elements (14, 15) furthermore being arranged, such that the curved peripheral faces thereof are exactly opposed to each other, and the tension elements (14, 15) being slidable in their respective oblong holes (16) by means of a common slider (155), and wherein they are rotatably seated by means of ball bearings (20), such that they can freely rotate about their own longitudinal axis, wherein, on one hand, the distance be

Abstract: A workpiece clamp is disclosed for pressing first and second workpieces into engagement by a chucking tool (6) and a counter-holding device (7) supported by a frame (5). A pair of clamping jaws (11,12) with spiral shaped clamping surfaces (13,14) are pivotally mounted on the clamping jaw support (8) of U-shape having two spaced apart support members. First and second pivot pins (21,22) are mounted opposite and parallel to each other on the support members. The clamping jaws squeeze and hold one workpiece therebetween when the chucking tool (6) is moved against the other workpiece to force the workpieces into engagement. The spaced apart support members provide a clearance space to allow one of the workpieces to be inserted between the jaws at any angle for engagement with the other workpiece.

Abstract: A gripper which is structurally simple and can reliably and quickly grip small articles of various different shapes. The gripper has a base including a fixed portion and a movable portion movable longitudinally toward and away from the fixed portion, a first gripper portion provided on the fixed portion, a second gripper portion provided on the movable portion, and a moving/fixing mechanism for gripping a small article of an indefinite shape by moving the second gripper portion toward the first gripper portion.

Abstract: A machine vise has incorporated into it a pair of collet jaws that allows for the machining of top surfaces and ends of a held part. The collet jaws are secured to each of the clamping blocks on the machine vise. The collet jaws include at least one collet pocket shaped into the inside surface of each collet jaw. The collet pockets are designed to receive collet pads which are shaped to hold a generally cylindrical part with varying diameters. By having more than one collet pocket within each collet jaw, several different sizes of collet pads can be utilized at the same time and a part with varying diameters can be held securely in place within the machine vise.

Abstract: A device for tensioning shaped parts, with a frame and a plurality of tensioning elements which are formed by a holding part and a clamping part. The holding part abuts the shaped part pointwise and a clamping part pushes the shaped part in the direction of the surface normal against the holding part.

Abstract: A diffusion bonding apparatus for pipes that are supplied downward from above comprising a lower block for holding a lower pipe and an upper block for holding and pressing an upper pipe against the lower pipe. In the apparatus, three or more hydrraulic cylinders are provided in a lifting member of the upper block about a joint where the upper pipe is held in such manner that the cylinders are located in a circumference of a circle.