Abstract: A vice jaw deflecting structure, comprising a vice main body, a lead screw positioning seat, a lead screw, a first flexible jaw set and a second flexible jaw set; the guide slot of the vice main body has a bottom surface, a first side wall surface, and a second side wall surface; the first flexible jaw set and the second flexible jaw set have a slide, a jaw and a limiting component; the slide is configured with a limiting block protruding toward the jaw, the limiting block protrudes toward the lead screw positioning seat and is formed with a -shaped stop block having a curved top view; the jaw bottom surface has a first convex wall surface and a second convex wall surface matching and contacting the first side wall surface and the second side wall surface.

Abstract: An auto-positioning hydraulic pneumatic fixture contains a base, at least one locking device, multiple pistons, multiple positioning modules, and multiple platforms. The base includes at least one installation zone for fixing at least one locking device. A respective one locking device includes a fixing module and a clamping module. The fixing module has a body, a connection segment, and an affix portion. The clamping module includes a positioning bolt and a pair of clamp units, and each clamp unit has a clamping face. The affix portion has a defining groove and a linear slot. The body has at least one tilted rail, and a respective one positioning module has a mounting unit and at least one locating unit. The mounting unit has two oblique faces and multiple fringes, and s respective one platform is configured to fix the respective one workpiece.

Abstract: A jaw nut of a vise has a threaded bore with at least one opening on an end face. The jaw nut includes an inner annular groove concentric with a centerline of the threaded bore. The inner annular groove has a radius larger than a radius of the at least one opening from the centerline so as to provide at least a portion of an annular flange about the at least one opening having an inner annular surface facing in a direction opposite the end face. A threaded screw supported for rotation on the vise body threadably engages the threaded bore of the jaw nut. A brush seal is disposed in the inner annular groove with an outwardly facing annular surface engaging the inner annular surface of the inner annular groove.

Abstract: A two-station self-centering vise to hold a pair of work pieces is described. The pieces are held in place against a centered fixed jaw, being clamped against the centered fixed jaw by a pair of movable jaws located on either side of the centered jaw and that simultaneously move toward or away from the centered jaw on actuation of a lead screw. The vise may be converted to a single station vise by removable of the fixed center jaw. A spring loaded, adjustable, friction pad attached to the base of one of the two movable jaws enables temporary clamping of a first work piece while the second workpiece is being installed and once both workpieces are in place the lead screw is turned further to securely and accurately hold the workpieces in between the movable jaws and the fixed central jaw.

Abstract: A vise includes a vise body having a base with spaced apart rails joined to the base, each rail including a flange with a surface having a slot. A movable jaw assembly is slidable on the surfaces is driven by an actuator supported by the vise. A stationary jaw has a key configured to engage the slots and has a surface facing the movable jaw assembly. Fasteners secure the stationary jaw to the vise body, where all of the fasteners extend through the surfaces of the vise body between the slots and the surface of the stationary jaw facing the movable jaw assembly.

Abstract: A fastening jig for securing a magnet block (M) when the magnet block is cutoff machined into pieces is provided, the jig comprising a lower clamp (31) on which the magnet block is rested, an upper clamp (32) disposed on the magnet block, and a press unit (33) for pressing the clamps to apply a pressing force to the magnet block. A portion of the lower clamp (31) which is disposed adjacent to the magnet block is provided with a generally horizontal channel (311) to define a resilient cantilever (312), whereby the magnet block is held between the clamps by the repulsion force of the cantilever (312).

Abstract: A vise includes a base plate that receives a fixed jaw and a pusher jaw. The fixed jaw receiving portion of the base plate includes particular stations for receiving the fixed jaw, the particular stations defined by at least a latitudinal slot at each particular station, each latitudinal slot configured for receiving a latitudinal tab extending from the bottom of the fixed jaw. A longitudinal slot traversing a length of the fixed jaw receiving portion of the base plate may receive a longitudinal tab extending from the bottom of the fixed jaw. Double-threaded lock bolts secure the fixed jaw to the base plate once the tabs are engaged with the slots of the base plate. The pusher jaw portion of the base plate includes a worm shaft, a threaded portion of the worm shaft engaging a worm shaft mating portion milled from the bottom of the pusher jaw.

Abstract: A master jaw assembly for an engineering vise is provided by the invention. The master jaw assembly comprises a master jaw having a groove formed in its side wall face, and a detachable jaw having a dovetailed rib projecting from its side wall face so that the soft jaw may be attached to the master jaw by frontally inserting the dovetailed rib into the groove with minimal loosening of the hold-down nuts in the master jaw. A special hold-down nut used to secure the dovetailed rib of the detachable jaw inside the groove of the master jaw has a substantially longer base edge compared with its top edge to provide increased securing force. The master jaw also features an adjustable reference stop plate attached to the end of the master jaw that may be moved to its engagement position when needed to engage the edge of or interior niche in the detachable jaw to ensure that the detachable jaw is attached to the master jaw in precisely accurate alignment on a repeatable basis.

Abstract: A centric clamping vice for centric clamping of workpieces is provided that includes a base support having a longitudinal axis, on which a first jaw mount, guided by a first carriage, and a second jaw mount, guided by a second carriage, are adjustably supported along an adjustment path oriented parallel to the longitudinal axis with the aid of a spindle drive. A pair of first slides is assigned to the first carriage, and a pair of second slides is assigned to the second carriage, and the difference between the track width of the first slides and the track width of second slides is greater than the width of second slides.

Abstract: A positioning block for positioning an object on a work bench includes a body having a positioning hole defined therethrough and a first bolt extends through the positioning hole. A support portion is formed on one side of the body and has a horizontal surface and an upright surface. A flange extends from the body and the board is pressed on the flange. The horizontal surface is parallel to the bottom face of the body. An angle is defined between the horizontal surface and the upright surface.

Abstract: A five axis vise includes two separated vise body portions that are supported on a machine tool table or other support that fixes the vise body portions in position. The vise body portions have jaws spaced up from the machine tool table sufficiently to permit machining five surfaces of a work piece held in the jaws. A vise screw is rotatably mounted in one of the vise body portions, and extends to the other vise body portion to actuate a movable jaw on the other vise body portion. The vise screw is threaded into a jaw nut that has a drive surface that engages and drives a driven surface on the movable jaw, with the drive and driven surfaces being inclined relative to the axis of force application to provide a downward force component on the movable jaw as it is tightened. The vise screw is an assembly of a threaded shank or shaft and a hub that is rotatably mounted in one of the body portions, with the threaded shank or shaft being locked in position in the hub.

Abstract: A movable jaw quick release apparatus of a vice comprises a tooth base, a movable jaw and two restriction elements. The tooth base is formed with two inclined guide grooves, each of which has a first inclined surface, a second inclined surface and a bottom surface. The left and the right side surfaces of the movable jaw are formed with a through hole respectively. Each restriction element penetrates one of the through holes and moves between a first position and a second position along one of the inclined guide groove As the movable jaw generates vibration forces, each restriction element transfers the vibration forces to the tooth base, therefore, the movable jaw do not move upwardly and shake toward a work piece and reduce its clamping force for the work piece.

Abstract: A pipe vise stand and system for increasing the size capacity of the pipe vise stand are described. Upon incorporation of the system in a pipe vise stand, the stand can accommodate pipes of significantly larger diameter. The system includes a pipe support member which is configured to be positioned on a vise base of the stand. The system also includes a jackscrew extender that provides or relocates a jackscrew associated with the stand to a lateral position alongside the stand. Related provisions and methods are also described.

Abstract: An angle adjustment device, include a fixed portion; a movable portion; a connection portion which rotatably connects the movable portion to the fixed portion; and an elastic member which is arranged between the movable portion and the fixed portion and restricts rotational movement of the movable portion with kinetic friction generated between the movable portion and the fixed portion.

Abstract: A release structure for a fixture contains: a support assembly including a first support arm, a second support arm, and a connecting rod; the connecting rod being inserted through the first support arm and the second support arm, such that a clamping space forms between the first support arm and the second support arm, and the first support arm having an abutting face so as to abut against the wooden workpiece; a force mechanism including a screw post screwing with the second support arm and a forcing post fitted with and rotating relative to the screw post. The screw post has a first inclined face to correspond to the forcing post and has a clamp head to mate with the wooden workpiece. The forcing post has a resilient element and a stop block. The stop block has a second inclined face to mesh with the first inclined face.

Abstract: A device and method for measuring the thickness of a cloth when the predetermined pressing force is applied to the cloth. A device for measuring a cloth thickness includes a stationary part having a base surface; a movable member having a pressing end to press a cloth against the base surface; a movable member driving mechanism to move the movable member linearly without rotating around itself from an initial position up to an over-pressing position where the pressing end presses the cloth against the base surface with a force exceeding the predetermined pressing force; a load cell for detecting a force with which the pressing end presses the cloth against the base surface; and a pulse coder for detecting the space between the base surface and the pressing end when a force value detected by the load cell reaches the predetermined pressing force.

Abstract: Provided is an apparatus for guiding and aligning a semiconductor chip package. The apparatus may include an insert, a plate above the insert, and an adapter. The insert may be configured to house various sizes of semiconductor chip packages. The plate may be configured to move vertically with respect to the insert. The adapter may be coupled to the plate and may be configured to guide at least one semiconductor chip package into the insert and to perform alignment of the at least one semiconductor chip package. In accordance with example embodiments, the at least one semiconductor chip package may have a size corresponding to at least one of the various sizes.

Abstract: A vise assembly has a pair of moveable jaws mounted on guideways for movement toward and away from each other. The moveable jaws are driven by a vise screw on the vise body through head members of a pair of jaw nuts. The head members fit into cavities on the underside of the moveable jaws and have projections on first ends that have surfaces engaging mating recessed surfaces formed on one end of the cavities. Adjustable plungers are mounted on the head members and are extendable outwardly from a second end of the head members to engage and drive against surfaces of the cavities in a second direction. The adjustable plungers are adjustable in length so they can be retracted into mounting bores in the head members so the moveable jaws can be mounted on and removed from the head members, and extended so driving surfaces of projections on the head members and of the plungers are both in engagement with surfaces of the cavities.

Abstract: A mobile tool stand includes a base frame unit, a support unit connected to the base frame unit for supporting the base frame unit on the floor, and a carrier unit. The carrier unit includes a carrier plate for carrying a machine tool, a pair of links pivotally connected between the carrier plate and the base frame unit and movable relative to the carrier plate to move the stand between a collapsed position and a supporting position, and a pair of coupling rods pivotally connected to the carrier plate and slidingly coupled to the base frame unit, such that the coupling rods are movable in and out of the base frame unit. Thus, the tool that is carried on the carrier plate can be safely moved from place to place when the mobile tool stand is set in the collapsed, transporting condition.

Abstract: In a wave linear motion mechanism (4) of a holding mechanism (1), those portions of a flexible screw (14) where first and second male screws (32, 33) are formed are elliptically deformed by first and second wave generators (12, 13) installed on an input shaft (11), and the first and second male screws (32, 33) are respectively partially engaged with first and second female screws (42, 44) of first and second circular nuts (15, 16). First and second holding members (5, 6) are mounted on the first and second circular nuts (15, 16), respectively. When the input shaft (11) is rotated by a motor (3), the first and second holding members (5, 6) are opened or closed depending on the rotation direction to release or hold an object (W).

Abstract: A workbench system is disclosed which may include a work surface with a first dog hole, a second dog hole spaced apart from the first dog hole and a plurality of dogs, each of the plurality of dogs including a body defining a first and second securing portion, and a stem portion extending away from the body and configured to fit into the first and second dog holes such that the first securing portions of the first and the second of the plurality of dogs are spaced apart with respect to an axis extending along the first work surface portion at a distance corresponding to a first commonly sized work piece width and the second securing portions of the first and the second of the plurality of dogs are spaced apart with respect to the axis at a distance corresponding to a second commonly sized work piece width.

Abstract: A worktable having first and second portions that are removably coupled to one another. When the first and second portions are decoupled from one another they can be arranged into free-standing positions where they can be used as sawhorses.

Abstract: A tile cutting table device featuring a platform with foldable legs; four side panels pivotally attached to side edges of the platform, the side panels can pivot between a down position and an up position forming an enclosure around the top surface of the platform; a water inlet hole for fluidly connecting a water source to the device; a drainage hole disposed in the platform; a perforated tile cutting plate disposed on the top surface of the platform; a clamp bar positioned over the tile cutting plate, the clamp bar functions to clamp down on a tile to hold the tile in place during cutting procedures, the clamp bar is connected to a foot pedal which functions to move the clamp bar between an up position and a down position, wherein the clamp bar is biased in the up position caused by compression springs.

Abstract: A fixture that allows for quickly preparing, painting and finishing a plurality of door panels that have opposed side surfaces interconnected by a relatively narrow edge. The fixture includes upper and lower horizontal support bars. A plurality of spaced vertical support bars extend between and are slidably attached to the upper and lower horizontal support bars so that the spacing between vertical support bars may be adjusted to accommodate the size of the door panels. A plurality of mounting stations are on the vertical supports. A pair of pins are received by the mounting stations and engage the opposite edges of a panel for pivotal movement, painting and finishing of the panel there between.

Abstract: A five axis vise includes two separated vise body portions that are supported on a machine tool table or other support that fixes the vise body portions in position. The vise body portions have jaws spaced up from the machine tool table sufficiently to permit machining five surfaces of a work piece held in the jaws. A vise screw is rotatably mounted in one of the vise body portions, and extends to the other vise body portion to actuate a movable jaw on the other vise body portion. The vise screw is threaded into a jaw nut that has a drive surface that engages and drives a driven surface on the movable jaw, with the drive and driven surfaces being inclined relative to the axis of force application to provide a downward force component on the movable jaw as it is tightened. The vise screw is an assembly of a threaded shank or shaft and a hub that is rotatably mounted in one of the body portions, with the threaded shank or shaft being locked in position in the hub.

Abstract: A device for holding a workpiece, the device comprising a base, a first jaw member, a movable jaw member, and features which allow the movable jaw member to be moved in large increments relative to the first jaw member in addition to features which allow the movable jaw member to be moved in smaller increments. The device can include a drive member operably engaged with the base and the movable jaw member such that the operation of the drive member can move the movable jaw member in small increments. The movable jaw member can include a connection member, or claw, which can operatively engage the movable jaw member with the drive member. The connection member can be moved between first and second positions to disengage the movable jaw member from the drive member such that the movable jaw member can be slid relative to the first jaw member in large increments.

Abstract: A modular welding table where the work surface is made up of a plurality of plates that can be easily slid to and fro, adapting to objects of different shapes is disclosed. The through holes on these plates, as well as the parallel grooves between these plates, provide the foothold for clamping tools and devices that are used in conjunction to this welding table, to secure the work piece in place. Under each of the leg, a height-adjustable pad is provided, so that the welding table can adjust its evenness accordingly, by turning the screw stem of the pad easily.

Abstract: Disclosed is a multi-axis workpiece manipulator or positioning device (10) having movement along two rectilinear axes (L1 and L2), two pivotable or tilt axes (T1 and T2) and two rotational axes (R1 and R2). The positioning device (10) includes a support base (12), a first member (18) attached to the support base (12) extending axially therefrom and a carriage (24) adjustably connected to the first member (18). The support base (12) is movable in a longitudinal path along a first rectilinear axis (L1) and the carriage is movable along the first member (18) in a vertical path along a second rectilinear axis (L2). A second member (30) is pivotably and rotatably attached to the carriage (24) and extends axially away from the carriage (24). The second member (30) can pivotably move along a first tilt axis (T1) with respect to the carriage (24) and can rotate in a circular path along a first rotational axis (R1).

Abstract: A workbench with a collapsible frame and a plurality of top members. The collapsible frame can include a first set of legs and a second set of legs can be coupled to one of the top members. The frame and top members can be positioned and supported by the first and second sets of legs to form a pair of free standing structures that can be employed as work benches and/or saw horses.

Abstract: A pipe stand able to support a conduit includes a table having a first surface, supports pivotably coupled to the table for supporting the table in an elevated position with respect to the support surface, and a shelf extending between the supports and positioned between the table and the support surface. At least one of the supports includes an electrical connector, and a power cord is in electrical communication with the electrical connector and connectable to an external power source. The pipe stand includes a first jaw extending from the first surface of the table and shaped to engage a portion of the conduit, and a second jaw a second jaw extending from the first surface of the table and spaced a distance from the first jaw, the second jaw shaped to engage another portion of the conduit. A clamping device is supported by one of the first jaw and the second jaw.

Abstract: A tensioning or gripping device in particular a linear or centering gripper, comprises at least one displaceable base jaw (14) and a false jaw (16) which may be placed on the base jaw (14), whereby the false jaw (16) comprises two coupling sections (22, 24), running at least in part perpendicular to the direction (20) of displacement of the base jaw (14) and arranged one behind the other in the direction (20) of displacement of the base jaw (14), for connection to the base jaw (14). The base jaw (14) comprises a spring-loaded pin (18), running in the direction (20) of displacement of the base jaw, which, with the false jaw (16) placed on the base jaw (14), acts against a coupling section (24) for retaining the false jaw (16), such that the other coupling section (22) is tensioned against a stop surface (26) arranged on the base jaw (14).

Abstract: A quick insert and release laser beam guard panel clamping apparatus having a base plate mountable on an optical table, a first jaw affixed to the base plate, and a spring-loaded second jaw slidably carried by the base plate to exert a clamping force. The first and second jaws each having a face acutely angled relative to the other face to form a V-shaped, open channel mouth, which enables wedge-action jaw separation by and subsequent clamping of a laser beam guard panel inserted through the open channel mouth. Preferably, the clamping apparatus also includes a support structure having an open slot aperture which is positioned over and parallel with the open channel mouth.

Abstract: A cam actuated quick action clamp used to clamp or separate two or more workpieces. The quick action clamp has a lever with an eccentric portion disposed above a bar. The eccentric portion of the lever is fixedly coupled with a jamb plate to produce a force along the clamping face of a housing in order to maximize the clamping force exerted on the workpiece or workpieces.

Abstract: A tensioning or gripping device in particular a linear or centering gripper, comprises at least one displaceable base jaw (14) and a false jaw (16) which may be placed on the base jaw (14), whereby the false jaw (16) comprises two coupling sections (22, 24), running at least in part perpendicular to the direction (20) of displacement of the base jaw (14) and arranged one behind the other in the direction (20) of displacement of the base jaw (14), for connection to the base jaw (14). The base jaw (14) comprises a spring-loaded pin (18), running in the direction (20) of displacement of the base jaw, which, with the false jaw (16) placed on the base jaw (14), acts against a coupling section (24) for retaining the false jaw (16), such that the other coupling section (22) is tensioned against a stop surface (26) arranged on the base jaw (14).

Abstract: A vise with the precision to match the quality expected from a wire electrical discharge machine. A quality vise is provided to locate parts with extreme repeatability from part to part enabling production of parts with exact duplication. With the range of the vise opening a variety of sizes of parts may be held, and with the low compact profile of the vise there is a decrease likelihood of run into interference with the wire electric discharge machine while in the cutting operation. Due to the exposure of water in the cutting operation on the wire electrical discharge machine the vise is made from stainless steel. The vise comprising a body comprising sidewalls and a main alignment surface, the main alignment surface having a length and for contacting a workpiece along its length, with a solid stationary jaw extending from the main alignment surface for contacting the workpiece during clamping of the vise.

Abstract: A vise system including a plurality of jaws associated with a vise body. A first jaw is attached to a first shaft which are both slidable with respect to the vise body. A second jaw is attached to a second shaft which are both slidable with respect to the vise body independent of the first jaw and first shaft. A locking mechanism is associated with the first and second shafts for locking the first and second shafts, and first and second jaws, in place. The locking mechanism includes a first collet partially surrounding the first shaft, and an aligned second collet partially surrounding the second shaft. First and second stops are operatively connected to a handle so that as the handle is turned, the first and second stops engage the respective first and second collets to compress the collets over the shafts to immobilize them.

Abstract: The housing of a two station machining device has thereon a stationary jaw and two movable jaws reciprocable between open and closed positions relative to the stationary jaw by a pair of spaced slides that are reciprocable in a recess in the housing beneath the work surface. A piston in the recess has one end thereof secured to one of the slides and has its other end slidable sealingly in an axial bore and counterbore in the other slide. Normally the slides and the piston are retained resiliently in first limit positions in which the movable jaws are disposed in their open positions. Hydraulic fluid under pressure is supplied to the bore in the other slide beneath the head of the piston initially to move the piston and the one slide into second limit positions in which the jaw connected to the one slide is moved to its closed position, and then to move the other slide to a second limit position and its associated jaw to be moved to its closed position.

Abstract: A clamping tool holds a workpiece in place on a surface, for example in a machine tool, by a clamping bolt (2) which is moved into a workpiece contacting position by a locking piston (6). The bolt (2) and the piston (6) are slidable in respective bores (3, 4) in a housing (1) in which the clamping bolt (2) is locked in a workpiece supporting position by the locking piston (5, 6). For this purpose the locking piston (6) has a piston rod (5) with a wedging incline (8) cooperating with a respective wedging incline (2′) at an inner end of the clamping bolt (2). A tongue and groove combination is provided between the piston rod (5) and the inner end of the clamping bolt to facilitate the cooperation and force transmission between the piston rod (5) and the clamping bolt (2). A self-locking effect holds the locking piston in a working position until the self-locking effect is released.

Abstract: A machining vise which includes a main body having a recess for guiding movable vise jaws therein is disclosed. The vise also includes a stationary jaw removably mounted at a mid-point on the main body, a first movable slide and a second movable slide. The first and second slides are mounted in the recess for guiding the movable vise jaws, wherein the first jaw is removably mounted to the first movable slide and the second jaw is removably mounted to the second movable slide.

Abstract: A machining vise is disclosed. The machining vise includes a main body having a recess, a stationary vise jaw removably mounted at a mid-point on the main body, a first movable slide and a second movable slide mounted in the recess. A first vise jaw is mounted to the first movable slide and a second vise jaw is mounted to the second movable slide. The vise also includes a drive for moving the first and second movable slides, wherein a controlled release assembly associated with the first movable slide controls the movement of the first movable slide and the second movable slide. The controlled release assembly includes an offset adjustment mechanism and a spring biasing mechanism. The vise further includes a structure for releasably securing the vise jaws to the slides.

Abstract: A vise is composed of a base, a first transmission block, a second transmission block, a first movable jaw mounted on the first transmission block, a second movable jaw mounted on tee second transmission block, a control rod located in a slot of the base such that the control rod is engaged with the first transmission block and the second transmission block and that the control rod is capable of being actuated by a handle to drive the movable jaws to move toward or away from a fixed jaw located between the two movable jaws. The first transmission block is provided with two guide rods and a locating mechanism fastened with the guide rods.

Abstract: A method for attaching a jaw to a vise-like workholding apparatus. The method includes placing the jaw member onto a support member of the workholding apparatus in a first direction that is perpendicular to a worksurface of the workholding apparatus. The jaw member is placed such that at least a portion of the support member is received within a cavity in the jaw member in a first released position. The method also includes applying a first axial force in a first axial direction to the jaw member to cause the jaw member to move axially in the first axial direction to a second position wherein it is retained on the support member.

Abstract: An improved vise with a fixed jaw and a movable jaw which is guided by a lead screw to move along a pair of ways guiding the movable jaw. The movable jaw is adjusted to maintain a face which is precisely parallel with a face of the fixed jaw. The movable jaw is constructed of an upper component which travels on the ways, and a U-shaped lower member which inserts and telescopes into the upper component. The two jaw members contact at a chamfered face which cants or tilts the upper jaw member so that the movable jaw construction can be leveled. Leveling assures that the upper and lower jaw members cooperate, thereby interacting with a tapered face between the two to change the relative angle. In effect, the movable jaw face is maintaining precisely parallel and overcomes off center mounting of a workpiece.

Abstract: The present invention provides a clamp that is compact and lightweight, yet provides high holding strength and stiffness or rigidity. The clamp uses a unique double slant interface design which provides mechanical advantages to resist forces applied to the clamp members as the load increases. The clamp allows for rapid and remote-activated release of the clamp jaws by applying only a small operating force to an over-center lock/release mechanism, such as by pulling a manual tether.

Abstract: A workholding apparatus includes a top jaw member and a bottom master jaw element. The master jaw element is movably supported on a base member and has a keypart fixed thereto and projecting upwardly. The keypart receives the top jaw member. An aperture of the top jaw member having closed ends, and an open mouth surrounded by vertical walls, fits over the keypart of the top jaw member. The keypart can have a cross-section having portions resembling a double dovetail configuration. The aperture of the top jaw member has similar dovetail-shaped sections to receive the keypart. The keypart includes a takeup member having an arcuate keeper element secured and projecting from a surface of the keypart opposite the dovetail-shaped portions. The keeper element projects outwardly a small distance to seat on an inclined surface of the aperture very close to the vertical walls thereof. Thus the top member preferably is contacted by the keeper element at a location on the inclined surface within about 0.

Abstract: A jaw assembly for use on a slideway of a machine table includes one or more guide rods over which a vise jaw freely slides. No fasteners or mounting members are required to mount and demount the jaw from the assembly. Before the jaw is tightened to apply a clamping force, it is held in an unbiased condition without the need for biasing springs.

Abstract: A universal vise that has a movable and a fixed jaw that can be indexed at 90.degree. increments to provide for four separate work clamping surfaces on each jaw. The vise includes a vise screw driving a nut that drives the movable jaw in each of four indexed positions of the movable jaw. The nut provides a down pressure load on the movable jaw with a very low profile. The indexable jaws permit the vise to be adapted to hold four different types of products or workpieces. The movable vise jaw is guided with keys that protrude above the plane of the guideway surfaces of the vise, so that the nut can have a shield rib that completely fills the space between the guideway surfaces to prevent chips from building up in a recess between the rails formed with present vise jaw nuts. The movable jaw and the fixed jaw do not protrude toward the base of the vise beyond the plane of the guideway surfaces on the vise rails.

Abstract: A machining vise which includes a main body having a recess for guiding movable vise jaws therein is disclosed. The vise also includes a stationary jaw removably mounted at a mid-point on the main body, a first movable slide and a second movable slide. The first and second slides are mounted in the recess for guiding the movable vise jaws, wherein the first jaw is removably mounted to the first movable slide and the second jaw is removably mounted to the second movable slide.

Abstract: In a two station machining vise having a stationary, center jaw and movable opposing jaws, the interior of the vise body is totally enclosed to protect the working components from machining byproducts. The vise has a brake mechanism and an offset mechanism associated with one slide so that workpieces can be engaged and released sequentially. If the brake mechanism is not activated, the two movable jaws are moved simultaneously. With the brake mechanism engaged, one movable jaw is moved to position first and then the movable jaw having the brake and offset mechanisms connected therewith is subsequently moved into position. When the workpieces are to be released, the second movable jaw is first retracted the offset distance and then the first movable jaw must be completely retracted prior to any subsequent movement by the first movable jaw.

Abstract: A vise has a fixed jaw mounted stationarily relative to a vise body. A movable jaw is supported on side rails that have upper way surfaces. A jaw nut that exerts a downward force on the movable jaw operated to move the movable jaw along the way surfaces. Resilient member is provided between the under side of the movable jaw and at least one of the way surfaces to space the movable jaw slightly from the way surfaces until the movable jaw engages a workpiece, at which time the resilient material compresses and provides a positive hold down force on the workpiece.