Abstract: An anchoring head for formwork struts is intended for the implementation of inclined floor slabs, and includes a support, an erect region coupled to a strut to be mounted, wherein there are two separate positioning shafts transversely arranged with respect to the erect region, that are adjustable in height by means of a height adjusting system, the positioning shafts being configured to support a respective beam in a fixed way by means of releasable locking means. The support includes a visual indicating means for indicating the angular position of each beam to be supported, the indicating means being associated with the positioning shaft of the beam to be supported by means of a cam arrangement, the cam arrangement being provided with a cam member coupled to the positioning shaft, such that the position of the cam member is directly related to the height at which the positioning shaft is located.

Abstract: A mobile project center system is presented that includes a center track having a pair of center supports and a pair of legs connected to the center support. A pair of benchtops are connected to the center track and move between an extended position and a retracted position. A pair of braces connect to each benchtop and provide support between the benchtop and the legs. These braces are locked and unlocked using a brace lock controlled by a brace control positioned just below the benchtops. A shelf extends between the opposing pairs of legs that transitions from a folded position and an extended position. The benchtop includes a plurality of openings in a grid pattern that facilitate attachment of various devices such as a joinery block. The system is used to perform a number of operations and converts between a plurality of configurations.

Abstract: The present disclosure provides a fixture for fixing a steering knuckle in a machining process, the fixture comprises a bottom plate, wherein the bottom plate is machined with two bottom plate windows that are configured to accommodate machined parts of the steering knuckle; three groups of pressure claws and three groups of locating pins are fixed on the bottom plate, and the pressure claws and the locating pins are respectively fixed to the through holes of the bottom plate; and the three groups of pressure claws are respectively arranged at three vertexes of a triangle.

Abstract: A biasing device that returns to a rest position when the biasing device is subjected to one of a first compression by a first object and a first tension by a second object in which the first tension causes a second compression of a third object, in which the first compression causes a second tension of the third object, in which elongation of the rod assembly simultaneously occurs with the first tension and the second compression, and in which elongation of the rod assembly simultaneously occurs with the second tension and the first compression.

Abstract: A laser processing machine includes a work head, a plate-like work working table for processing a plate-like work, a rod-like work working table including a rod-like work holder for processing a rod-like work, and a work area in which the work head is movably provided. The plate-like work working table is provided movably from one side of the work area into the work area. The rod-like work working table is provided movably from another side of the work area into the work area that is opposite side of the one side. According to the laser processing machine, when switching over between a processing of a plate-like work and a processing of a rod-like work, it is needed only to move/evacuate the plate-like work working table and the rod-like work working table to/from the work area, so that the switching-over operation can be easily done.

Abstract: A fixture for selectably supporting a number of dissimilar workpieces. The fixture includes a frame with one or more rotatable workpiece tooling assemblies. Each workpiece tooling assembly has multiple faces to which is mounted workpiece support tooling. The workpiece support tooling may be designed to support dissimilar workpieces, such that a single fixture may support any of a given number of workpieces by simply rotating the workpiece tooling assembly or assemblies until the corresponding support tooling is properly positioned. A locking assembly may be provided to releasably secure each workpiece tooling assembly in the various support orientations that coincide with each of its faces.

Abstract: An assembly comprises a platform including a first clamping surface, a track proximate to an edge of the first clamping surface, and a clamp mechanism including a second clamping surface. The clamp mechanism is configured to clamp a workpiece between the first clamping surface and the second clamping surface. The clamp mechanism is mounted to the track. The clamp mechanism is positionable at different locations along the track. The assembly may further comprise one or more adjustable spacer blocks mountable to the track to facilitate precisely positioning a workpiece proximate to the track at least two different spacings.

Abstract: A clamp comprising a slide rail, a fixed arm integrally joined to the slide rail, and a slide arm movable on the slide rail is provided, the slide rail having in the cross section an overall height and an overall width having a ratio to each other, which ranges between 2.55:1 and 2.8:1.

Abstract: The invention relates to a method for reducing vibrations of a machine element (9) and/or a workpiece (5) in a machine tool, a production machine and/or in a machine which is embodied as a robot. A clamping force (F), which is used to lock the workpiece (5) and which makes the workpiece holder (2a, 2b, 2c, 2d, 2e, 11a, 11b) act upon the workpiece (5), is modified when vibrations occur. The invention also relates to a corresponding machine. Due to said invention, vibrations of a machine element (9) and/or a workpiece (5), which occur during a machining process, are reduced.

Abstract: In a device for applying pressure to a workpiece comprising a contacting element for a workpiece, a holding device and a bearing device by means of which the contacting element is retained on the holding device, wherein the bearing device comprises a holding head and a holding head seating space, and wherein the holding head seating space has a bearing portion for the holding head, it is provided that the bearing device comprises a bearing shell which is a part separate from the holding head and the holding head seating space, and that the bearing is fixed on the holding head seating space and forms the bearing portion.

Abstract: A clamping assembly for stringing machine includes a slide member, a positioning device, a control device and a rail. The positioning device and a tube are located on two ends of the slide member. The control device includes a pin, a ring-shaped member and a knob. The pin is pivotably connected with the knob. The tube includes an engaging section and a receiving section. The receiving section has a positioning pin and a spring which biases the positioning pin so as to move the positioning pin axially. The knob having a pin hole defined in an underside thereof and can be securely positioned by inserting the insertion member into the pin hole. The knob includes a release button which is connected with a bolt. When pressing the release button, the bolt moves the insertion member which releases the knob.

Abstract: A bar clamp with adjustable jaw pads for clamping and for spreading work pieces includes a main housing having a bar opening for extending a bar therethrough, and a bar advancing mechanism with a bar gripping member in proximity to the bar opening. There is an elongated slide bar extending through the bar opening, and a handle and trigger connected to the main housing wherein the trigger is connected to the bar advancing mechanism such that activation of the trigger causes advancement of the bar through the main housing. It also includes a first jaw base connected to the main housing and extending upwardly therefrom. A first jaw pad is rotatably connected to the first jaw base, so as to be rotatable in at least two planes, to adjust angles between the elongated slide bar and the first jaw pad. A separate, second jaw base is connected to the elongated slide bar. There is a second jaw pad rotatably connected to the second jaw base, so as to adjust an angle between the elongated slide bar and the second jaw pad.

Abstract: An apparatus is disclosed for connecting a bar of a vise to a bar of another vise. The apparatus includes a sheath and two fastening units. The sheath includes two cavities each axially defined in an end thereof and two apertures defined therein transversely and each in communication with a related one of the cavities. Each of the fastening units can be inserted in a related one of the apertures of the sheath and an aperture defined in the bar of a related one of the vises, thus connecting the bars to each other.

Abstract: A portable holder for supporting a ski, snowboard, bicycle and firearm during cleaning, maintenance, adjustment, sighting and repair operations at a work station, the holder being adapted to support a portion of the ski, snowboard, bicycle and firearm, the portable holder comprising: a base section adapted to be fixed to the work station in a substantially upright position; a threaded rod mounted to the base section in a substantially vertical orientation; and, one of a support bead and a vise assembly affixed to the upper portion of the threaded rod; wherein the base section contains a substantially vertically orientated threaded aperture allowing the threaded rod to be rotated about its longitudinal axis into the threaded aperture of the base section to permit both mounting of the threaded rod to the base section and height adjustment of the threaded rod relative to the base section; the support head having a base and at least one flange extending upwardly from the base to receive a support tongue of one of

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: An apparatus for use in coupling a pair of bar clamps comprises a coupling member for connecting a first clamp to a second clamp is provided. The coupling member includes a first member and a second member having an end pivotally attached to the first member. The coupling member further includes a connection member for attaching an end of each clamp to the coupling member. In another aspect, a connection member for coupling a pair of bar clamps is provided. In another aspect, a method of connecting a first bar clamp to a second bar clamp is provided.

Abstract: A strut for a system for constructing devices for clamping workpieces in defined and reproducible positions is made of an angle section or a U-shaped section or a rectangular section. The strut has grid bores of identical diameter arranged at a regular grid spacing relative to one another. The grid bores are provided on legs of the strut and are accessible from both sides of the legs, respectively. Several struts are combined to a receiving part in that the struts are arranged parallel to one another and connecting elements are used to connect the struts to one another. The connecting elements are inserted into the grid bores.

Abstract: A manufacturing cell having a plurality of work stations, where at least one of the work station comprises a metalworking machine, and where at least one metalworking machine is provided with a modular tooling apparatus. The modular tooling apparatus consists of a base having one or more attachment surfaces, and one or more inserts that can be inserted semi-permanently to the attachment surfaces. The attachment surface is typically a pocket in the surface of the base. The insert has a workpiece support feature that can support and/or secure the workpiece into the proper position and orientation for machining. The base, pockets and inserts are configured to provide a characteristic location and orientation for the workpiece relative to the base, and to the metalworking machine.

Abstract: A manufacturing cell having a plurality of work stations, where at least one of the work station comprises a metalworking machine, and where at least one metalworking machine is provided with a modular tooling apparatus. The modular tooling apparatus consists of a base having one or more attachment surfaces, and one or more inserts that can be inserted semi-permanently to the attachment surfaces. The attachment surface is typically a pocket in the surface of the base. The insert has a workpiece support feature that can support and/or secure the workpiece into the proper position and orientation for machining. The base, pockets and inserts are configured to provide a characteristic location and orientation for the workpiece relative to the base, and to the metalworking machine.

Abstract: A modular platform assembly for providing at least one breadboard surface level above a table includes a rectangular breadboard plate having holes therein, a pillar member for supporting each corner of the rectangular breadboard plate, and a base member for supporting each pillar member on a table top. By using multiple breadboard plates and multiple pillars, a first surface level of varying horizontal dimensions can be provided, as well as multiple vertically-spaced levels. The invention enables the creation of enlarged three-dimensional work surfaces above a table top, thus enhancing utilization of space in a small area.

Abstract: A modular tooling apparatus for performing a metalworking operation on a workpiece, having a base comprising an attachment surface having a locating feature, a removable insert separably secured to the attachment surface, having a locating feature and a workpiece support feature on a surface thereof, and an extraction/locking device movable between a first position wherein the insert is secured to the attachment surface, whereby the locating feature of the insert associates with the locating feature of the attachment surface, and a second position wherein the insert is at least partially extracted from the attachment surface. The extraction/locking device alternately secures an insert to the base and assists in extracting the insert from the base. The device provides for ease of removal of an insert when the upper portion does not provide convenient surfaces for a technician to grab.

Abstract: Apparatus for holding a ski in a stable horizontal position during ski base preparation and maintenance, which apparatus also employs means permitting the ski to be placed in an edge-up orientation and held there in a stable manner for ski edge maintenance procedures. A three-point arrangement includes two ski end supports and an intermediate device which secures the ski to a work station while retracting and holding the ski brake. The apparatus is portable and adaptable for use with all skis having a ski brake.

Abstract: A workpiece support assembly includes an elongated workpiece support structure and a pair of support members pivotally connected to one another towards upper ends thereof. The support members are pivotally movable between an open position and a folded position. The workpiece support structure has a workpiece support surface constructed and arranged to support a portion of a workpiece. The workpiece support assembly further includes a tabletop assembly. The tabletop assembly is movable into a deployed position in which the tabletop is disposed substantially horizontally in overlying relation to the workpiece support structure, with the pair of support members in their open operative position. The deployed tabletop presents an upper tabletop surface to support a workpiece. The tabletop assembly is movable, with the pair of support members in their open operative position, into a storage position which exposes the elongated workpiece support surface.

Abstract: The vice device includes a vice holder 24 composed of two side parts connected together at a given angle and, in these two side parts of the vice holder 24, there are respectively formed two holes 24a, 24b which extend at right angles to their associated side parts. By selectively switching these holes 24a, 24b over to each other, the pressing direction of a vice plate 26 can be changed.

Abstract: A method for making and a method for using a device designed to hold objects by clamping while preventing damage thereto. This device includes a cylindrical support part (1) and two arms (2), each arm having a transverse hole and at least one of these arms is carrying an elastic buffer (3) secured thereto. This buffer possesses a contact face and has under its contact face a thickness large enough so that said buffer acts as a compression spring when his contact face contacts the surface of one of the objects. And this buffer is resilient enough such that his contact face can flex and pivot to substantially conform to this surface. The support part is disposed within the transverse hole of each arm such that at least one of these arms is movable along the support part. And the buffer is disposed at a distance from the support part with its contact face approximately at a right angle to it.

Abstract: A system that allows support of a work piece from the body of a vise, the vise being attached to the bed of a mill. The system an extender block that attaches to one of the jaws of the vise; and an angular surface plate attached to the extender block. The angular surface plate provides a surface that extends along a plane that extends next to and below the bed of the mill.

Abstract: A plurality of blocks are chained together in alignment over at least one rod, each with a recess for receiving a work piece between adjacent blocks. A second chain of holders may be employed to receive a different portion of the work pieces so the work pieces extend between the chains of blocks, forming a set of chains that may be presented as a unit before a cutting tool to make a cutting process efficient and uniform among work pieces. Further chains or sets of chains may be employed to hold a larger number of work pieces together. Chains of blocks are advanteously mounted on vise plates in plate holes spaced apart from centers of vertical and horizontal neighboring plate holes a same distance, d. Thus, two rods of a set of work piece holders may be positioned at preferred positions on the plate with recesses aligned vertically or horizontally.

Abstract: A portable workbench, comprises a molded plastic base structure and a molded plastic upper work structure. Wheels and a transport handle are mounted on the base structure. The transport handle is constructed and arranged to be manually engaged to move the base structure between a) a storage operative position wherein the base structure is stabily supported on a horizontal surface and b) a storage transport position wherein the wheels rollingly contact the horizontal surface so that the base structure can be moved along the horizontal surface using the handle. The upper work structure is constructed and arranged to be supported on an upper portion of the base structure in a storage operative position. The upper work structure and the base structure cooperate when in the storage operative positions thereof to define a storage space.

Abstract: A wedge clamp for clamping a plurality of planar members in a side-by-side disposition for work such as gluing to be performed thereon. The wedge clamp includes a rail unit which defines a track having two opposing side walls and an end wall disposed in a U-shaped configuration to closely receive the ends of stock members. The side walls are spaced apart to define a throat for closely receiving a selected thickness of stock. A base member is provided at one end of the rail unit, a second end of the base member extending away from side walls a distance at least as great as the width of the throat. The side walls and the end wall define a series of slotted openings for receiving a wedge block. At least one spacer is used to reduce the width of the throat and accommodate close receipt of the stock material defining a thickness less than that of the throat. The spacer defines an L-shaped cross section, with the first leg defining a first thickness and the second leg defining a second thickness.

Abstract: An indexing apparatus for selectively indexing a payload about an axis. The apparatus includes a housing that supports an indexable support table. A second retainer is provided on the indexable support table that is adapted to selectively axially engage a first retainer on the housing to lock the indexable support table in any one of a plurality of selected rotational positions about the axis. The apparatus also includes an axial displacement member that is movably supported within the housing to selectively engage the indexable support table while the indexable support table is locked in any one of the preselected rotational positions. Thereafter, the axial displacement member biases the indexable support table in a first axial direction out of the locked position and applies a rotational force to the indexable support table to rotate it a desired amount about the axis.

Abstract: A workpiece holding device for a T-slotted machine table includes a locator block having a planar bottom surface, a mounting hole that intersects the bottom surface to define a center point, at least one workpiece locating surface disposed a predetermined distance from the center point, and a key protruding from the bottom surface at a second point offset a predetermined distance from the center point. The protruding portion of the key has a width substantially the same as the T-slot opening so as to slidably mount in the T-slot. A fastener extends through the mounting hole and secures the locator block to a T-nut slidably mounted in the T-slot. A clamp secured to the locator block clamps the workpiece to the locating surface of the locator block. A method of using the device is also disclosed.

Abstract: A workbench is provided that can be used as a conventional table (for the dining room, for card games, etc,.) and also provides the features of a carpentry and mechanics workbench. The workbench can be used in conjunction with an electric drill to provide the services of a sander, router, bench drill wood lathe, and bench saw.

Abstract: A dual purpose clamp for use in connection with rim holding tire changers. The clamp includes a base, a body and claws for gripping the rim of a tire. In the preferred embodiment, the base is generally L-shaped and includes perpendicular legs comprising spaced apart walls which define interior channels. Rails are mounted along a portion of the inner surface of the walls of each leg, and are configured to slidably engage oppositely disposed channels formed on the clamp carriers of the tire changer. Each leg of the base further includes a bore formed therein and configured to receive a locking pin for releasably securing the clamp to the clamp carrier in the desired position. First and second claws are attached to the body opposite the base. The first claw is configured to accommodate a first rim type, and the second claw is configured to accommodate a second rim type.

Abstract: A portable support fixture for snowboards and skis comprises at least two interconnected support portions, with a suction cup secured to the top and bottom of each support portion, and a connecting structure which interconnects the support portions. The connecting structure has an elongate vertical slot which matingly receives and holds a snowboard or ski upright on one of its longitudinal edges for filing and maintaining the edges. The suction cups on the bottom of the support portions may be used to secure the fixture to any relatively flat surface, such as the hood of a car. The top suction cups may be used to secure a snowboard or ski horizontally to the fixture for waxing and maintaining the bottom of the snowboard or ski or for working on the binding(s).

Abstract: A miter saw clamp accessory to facilitate vertical and/or horizontal clamping of a workpiece against a supporting worktable and fence is disclosed. The miter saw clamp accessory includes a pair of extension rods extending laterally outwardly from one end of a frame with a clamp support mounted on such extension rods. A clamp shaft is adapted to be mounted in a top opening of the clamp support for vertical clamping or in a side opening of the clamp support for horizontal clamping of the workpiece. A clamp assembly is mounted on the clamp shaft and includes a connecting arm for adjustable mounting of a clamping arm having a workpiece clamp at one end that is arranged for confronting opposed positioning relative to the frame for vertical clamping or to the fence for horizontal clamping of the workpiece. A miter saw crown molding jig accessory is also disclosed for mounting on a miter saw frame.

Abstract: An apparatus is provided for aligning and securely positioning at least two components relative to each other, comprising a support frame, first and second alignment plates pivotally mounted on the support frame for abutment by the components to permit positioning of the components of various angles relative to each other, and a vacuum device for holding a component against the respective plate. The vacuum device may include first and second flexible vacuum pads corresponding to the plates, a respective vacuum pump associated with each alignment plate and a control valve for selectively controlling the flow of supply air to the vacuum pumps. A locking device may be provided for preventing relative pivotal movement of the plates by securing the plates in a predetermined alignment position. The alignment and securing apparatus of the present invention can be used to easily, quickly and securely position two components in a variety of relative orientations.

Abstract: A modular model verification mounting system and method for building and verifying a production tooling verification model with a surface contour made of a workable material is disclosed. The mounting system can include at least one base member for supporting the production tooling verification model. The base member has a first uniform grid of apertures disposed in a first surface at a first predetermined distance from one another. At least one component member is provided for attaching to the base member in cooperation with the first grid of apertures. The component member has a second uniform grid of apertures formed in at least one second surface and disposed at a second predetermined distance from one another. At least one armature is connected to the component member in cooperation with the second grid of apertures. The armature member has at least one custom surface adapted to support the workable material.

Abstract: The preferred apparatus is in the form of a service lift for holding a machine such as a walk-behind lawnmower during servicing and repair thereof. The lift includes a main support movable upwardly and downwardly on a column, a subsupport adapted to be rotated to and held in various angular positions relative to the main support, and side-by-side tubes on the subsupport for telescopically receiving bars for supporting the mower or other machine during servicing. The supporting bars extend in opposite directions from the side-by-side tubes and may be laterally adjusted relative to the tubes to match the width of the machine being serviced. Supporting bars for other types of machines may be inserted into the tubes, and the main support and the subsupport may be vice-mounted rather than column-mounted.

Abstract: A workpiece clamping apparatus for securing a workpiece relative to a planar support surface has a pair of saddle clamp members each provided with a plurality of threaded apertures. A mounting member associated with selected ones of the plurality of threaded apertures is provided for operably attaching saddle clamp members to the planar support surface in a variety of orientations. Each saddle clamp member can engage a portion of a bar clamp. Each saddle clamp member can also engage a portion of a length of pipe which can have pipe clamps thereon.

Abstract: A machine tool subassembly that holds a workpiece at a predetermined position within the operating area of a machining apparatus is attached to a presetting stand outside of the machine for purposes of aligning a workpiece during the time the machine is operating on another workpiece. The presetting stand is attached to a rail on the flat top surface of a support table. The stand and rail have mating reference surfaces that correspond to the orthogonal axis of the machine. The stand includes upper and lower joint parts which engage an adjustment part of the subassembly. The joint parts include reference surfaces aligned with the machine axis so that when the subassembly engages one of the joint parts, the workpiece secured therein my be aligned along two of the three orthogonal axis of the machine. When the subassembly is connected to the second joint part, it will be aligned precisely ninety degrees to the first joint part.

Abstract: For machining a part or a series of parts on a machine tool, it is proposed that said part be successively fixed in at least two different gripping modules (12a to 12e) mounted on a central unit (10) placed on the machining plate of the machine. The rapid assembly and disassembly of the modules with respect to the central unit is ensured by flanging jacks (42a,42c) actuated by a hydraulic control system (14) carried on the central unit. This system (14) also actuates control and locking jacks (34,40,64) ensuring the gripping of the parts on the modules (12a to 12e).

Abstract: A workholding system comprising dissimilar support members, each adapted to interchangeably operably support at least one vise-like clamping assembly in a plurality of workholding orientations relative to a support member. One support member arrangement can non-movably support a plurality of vise-like clamping assemblies relative to the support member. Another support member can indexably support a plurality of vise-like clamping assemblies such that they can be selectively indexed about a common axis.

Abstract: A stand is disclosed herein for supporting one of a variety of automotive components, such as a transmission, which includes a base having four upright posts terminating in connection with a support plate. The center of the plate is provided with a mounting opening for accommodating one of a variety of adaptors for holding, supporting and stabilizing a transmission during servicing. A selected adaptor may be a spacer, a shaft stabilizer, or a movable plunger and support bracket therefor. A height and width adjustment fixture is carried on the support plate for lateral and vertical extension to accommodate transmissions of different size.

Abstract: An adapter for converting a standard machine vise into a set-up collet fixture including front and back supports that bolt to the vise jaws after the vise jaw plates have been removed, an internally tapered sleeve in the supports for engaging a taper on a standard 5C Collet, and a take-up nut seated in the back support for engaging threads on the end of the collet to hold the collet stationary to the vise as the vise is opened causing the front support to move away from the back support pulling the sleeve over the stationary collet thereby causing the collet to clamp the workpiece.

Abstract: A modular system for the support and positioning of a workpiece for use with a device such as an inspection system. The system includes a base having a plurality of exterior faces, at least some of which have an array of equally spaced holes forming a grid pattern. At least one riser is attached to the base cube by a fastener, which can be inserted into the riser by defeating an outwardly biased locking member at the inner end of the fastener, extending through said riser and into the holes of the base cube. The fastener is used to provide positive location and fastening of the risers to the base cube. Functions of individual risers include support, clamping, datum point positioning and providing reference points.

Abstract: A modular model verification mounting system and method for building and verifying a production tooling verification model with a surface contour made of a workable material is disclosed. The mounting system can include at least one base member for supporting the production tooling verification model. The base member has a first uniform grid of apertures disposed in a first surface at a first predetermined distance from one another. At least one component member is provided for attaching to the base member in cooperation with the first grid of apertures. The component member has a second uniform grid of apertures formed in at least one second surface and disposed at a second predetermined distance from one another. At least one armature is connected to the component member in cooperation with the second grid of apertures. The armature member has at least one custom surface adapted to support the workable material.

Abstract: An adapter for converting a standard machine vise into a set-up orthogonal collet fixture including front and back members that bolt to the vise jaws after the vise jaw plates have been removed, an internally tapered sleeve in the back member for engaging a taper on a standard 5C Collet, a take-up nut seated in the same member for engaging threads on the end of the collet to hold the collet, and a cam for moving the sleeve relative to the collet as the vise is closed causing the front member to move toward the back member pulling or pushing the sleeve over the collet thereby causing the collet to clamp the workpiece.

Abstract: A vise including a body 30 comprising a way 31 integrally formed to a rear column of support 35, a housing 46 attached below way 31, a front column of support 32, and a front jaw 34 attached to the upper portion of column 32. Front jaw 34 having a pad 82 with a clamping surface 83 facing the rear. A hydraulic jack 150 resting within housing 46 while having a ram 138 to project through an opening 33 in front column 32. Ram 138 to push a pad 64 having side arms 63 extending rearward while being tracked along the sides of housing 46. Side arms 63 being attached by hinge to side arms 76 which are joined to a drawbar 75. A carriage 52 being capable of sliding and reversing on way 31. Carriage 52 having a back jaw 54 which has two jaw pads 86 and 90 with opposing clamping surfaces 87 and 91. Carriage 52 also having gripping formations 57GF for adjustable placement of drawbar 75. Rear column 35 is attached by hinge to the rear portion of a platform 94.

Abstract: In order to provide a C-shaped clamp for clamping workpieces, comprising a C-shaped clamp bow, a spindle nut arranged at one end of the clamp bow, a clamping spindle mounted in the spindle nut and a support arranged at the other end of the clamp bow, which can be used in conjunction with auxiliary elements for clamping a workpiece, it is proposed that the clamp bow have a guide section with guide surfaces for guiding infinitely adjustable, auxiliary elements for the C-shaped clamp.

Abstract: A work holder is provided which comprises a work surface having a pattern of apertures across its entire surface. The apertures allow a conventional clamp to secure any work piece to the work surface at any point on the surface. The apertures are circular in shape and of a dimension such that a conventional clamp will not slip from the board. Radially extended flutes are connected to the circular apertures to allow the clamps to be fully extended across a work piece and be essentially locked to the work surface. Half apertures at the edges of the work surface allow the work surfaces to interlock with one another. The interlocking half apertures in combination with their radial flutes allow the work surface to be set up in a wide variety of configurations.