Abstract: A chuck mechanism operates a piston in a cylinder tube by using action of compressed air and opens and closes, by using a rod coupled to the piston, a pair of fingers, thereby gripping work W. The locking mechanism locks the fingers at work grip positions. The locking mechanism includes a first locking member, a second locking member, and a drive device. The first locking member is displaced when the pair of fingers are opened or closed. The second locking member retains the first locking member so as to lock the fingers at the work grip positions. The drive device relatively displaces the first locking member and the second locking member to locking positions and non-locking positions.

Abstract: The invention relates to a gripping head for grasping devices for manipulating a long workpiece in a horizontal arrangement. A gripping head with two clamping jaws which can be adjusted independently of one another can be used. In addition, a device for feeding long workpieces into a processing machine, and discharging them therefrom is proposed. At least one of the grasping devices may have a gripping head for gripping in a frictionally locking fashion one end of the workpiece which is conveyed here by the horizontal conveying means, and drive means for pulling the workpiece to be straightened into the processing section and for pushing the straightened workpiece out onto the at least one horizontal conveying means by means of the gripping head.

Abstract: A work holding device includes a first jaw piece having an elongated first connection member for connecting the work holding device to a support. The first connection member defines a first passage. A second jaw piece has an elongated second connection member positionable within the first passage. The second connection member defines a second passage in communication with the first passage. A spindle assembly movably couples the second jaw piece to the first jaw piece. The spindle assembly is configured to move the second jaw piece with respect to the first jaw piece to create a clamping pressure when an object is placed between the first jaw piece and the second jaw piece.

Abstract: A film stretcher utilizes a spring bias to clamp the film. The film stretcher may include a stretch head having one or more clamps positioned about the film in locations necessary to clamp the film for stretching in one or more axes. The clamp may utilize a spring to provide the clamping force. The stretch head may include structures that operate to counter the spring bias to move the clamp to one state and then to allow the spring bias to move the clamp to another state. Thus, the stretch head may effectively clamp and unclamp the film.

Abstract: An adjustable clamping device to secure a tube to a track system.

Abstract: The present invention is a T-Slot block assembly that provides a plurality of attachment points for attachment to a milling machine worktable and to other T-Slot blocks for accommodating a variety of differing clamping or work piece holding jobs. Furthermore said invention can utilize common available clamps, fasteners, step blocks, T-nuts and various common but numerous work holding tooling. No additional mounting plates, or any type of preparatory hardware is required to directly mount the T-Slot Block onto the milling table or other work table where a T-slot is provided.

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 automatic truss jig setting system is disclosed that includes a table including a plurality of segments with a side edge of adjacent segments defining a slot. At least one pin assembly, and optionally a pair of pin assemblies, is movable independently of each other along the slot. Movement apparatus is provided for independently moving the pin assemblies along the slot. Each of the side edges of the segments associated with the slot defines a substantially vertical plane with a zone being defined between the substantially vertical planes of the side edges, and the movement apparatus is located substantially outside of the zone of the slot. The invention may optionally include a system for handling the obstruction of pin assembly movement, and a system for keeping track of the position of the pin assembly when the pin assembly has encountered an obstruction.

Abstract: A clamping element is provided for clamping work pieces on machine tables and the like with a tiltably mounted clamping lever, which is longitudinally displaceable in the clamping plane. The clamping element includes a housing (1) provided with a fork head (3), in the forks of which holes (4) are provided centrally and into which a king pin (5) each is inserted in a rotatably mounted manner. The king pins (5) are provided with guide pins (6), which have two opposite flattened areas. The clamping lever is a square with two grooves (8) milled in, in opposite locations. The clamping lever (2) can be pushed with its grooves (8) onto the guide pins (6) of the king pins (5) inserted into the fork head (3).

Abstract: A automatic truss jig setting system is disclosed that includes a table including a plurality of segments with a side edge of adjacent segments defining a slot. At least one pin assembly, and optionally a pair of pin assemblies, is movable independently of each other along the slot. Movement apparatus is provided for independently moving the pin assemblies along the slot. Each of the side edges of the segments associated with the slot defines a substantially vertical plane with a zone being defined between the substantially vertical planes of the side edges, and the movement apparatus is located substantially outside of the zone of the slot. The invention may optionally include a system for handling the obstruction of pin assembly movement, and a system for keeping track of the position of the pin assembly when the pin assembly has encountered an obstruction.

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: A fixing member (B, N) pierces a screw hole (13b) of a first clamping member (13) and an insertion hole (14c) of a second clamping member (14), and fixes the first and second clamping members (13, 14) to a workbench (12). The position of a workpiece (W) relative to the workbench is determined by utilizing the first and second clamping members (13, 14) fixed to the workbench (12) by the fixing member (B, N). The workpiece (W) moved to a space between a clamping face (13d) of the first clamping member (13) and a flange portion (14b) of the second clamping member (14) is fixed by a fastening member (15).

Abstract: The material holding fixture has a base, which is slidably engaged with a rotatable holding platform. There are a pair of levers attached at one end to a base end and at the opposite end to a holding platform pivot position intermediate the ends of the holding platform. There is a back guide attached to the holding platform that is located to retain a material object in a position to engrave a surface. When the holding platform at a hinge end is moved relative to the base the holding platform opposite end is raised and lowered. The location of the levers maintains the holding platform opposite end and the base end in adjustment with an imaginary plane perpendicular to the base. This mechanism allows positioning of a surface of an object to be engraved perpendicular to a laser cutting device in instances where the object surface opposite is other than parallel to the surface to be engraved.

Abstract: The invention relates to a worktable mountable on a sawhorse, the sawhorse including two frames articulated to one another along a longitudinal top axis, and a top bar having two side faces extending parallel to the longitudinal axis. The worktable includes a top bar receiving member and at least one work plate articulated thereto, the top bar receiving member including a receiving portion fitted for snugly receiving the top bar and at least one support leg for supporting the at least one work plate at a substantially horizontal position.

Abstract: A registration alignment system to be used with a printed circuit board drilling machine for registration of PCBs on the tooling plate for drilling and other operations. The registration alignment system includes a registration bar and a registration block that move independently of each other. The movement of the registration bar is constrained to one dimension (i.e., X-axis), and the movement of the registration block is constrained to one dimension (i.e., Y-axis) that is perpendicular to the axis of movement of the registration bar. The registration bar and block contact adjusting screws which are used to control precise movement of the registration bar and block. When the registration pins of the PCB are in position against the registration bar and block, the pins are held in place by clamping bars. When the size of the registration pins change, the registration of the new PCB is still correct and does not have to be adjusted.

Abstract: A clamp and V-block apparatus for improving the use and structure of a V-block.

Abstract: Described is a draw-in nipple for fastening a palette on a machine tool, with the draw-in nipple for fastening of the palette being received by a rapid-action clamping system, with the draw-in nipple being attached afflicted with clearance on the palette and through application of a tension force in its longitudinal direction away from the palette being lockable free of clearance. The draw-in nipple is herein preferably received in a resilient element which upon exertion of a tension force becomes deformed and locked through the draw-in nipple.

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: An apparatus for supporting and lifting a workpiece includes a base, an upwardly extending column fixed to the base, a screw rotatably mounted on the base parallel to the column, a motor operatively coupled to the screw for rotating the screw, and a carriage threadedly engaging the screw and slidably engaging the column. A variety of chucks or support mechanism for engaging various types of workpieces may be removably coupled to the carriage. The apparatus advantageously allows supporting and lifting at least a portion of a marine outboard motor.

Abstract: A work positioning jig for machine tools is attached to a table with use of a T-slot formed in a work holding surface of the table to position work in place. The jig comprises a jig body having a positioning portion to be brought into contact with the work, and a wedgelike pressing portion formed integrally with and projecting downward from the lower end of the positioning portion centrally thereof. A vertical pin extends through the positioning portion and the pressing portion of the jig body centrally thereof and is movable upward and downward. The pin has attached to its lower end a U-shaped brace member fitted over the pressing portion from below and to be fitted into the T-slot of the table. The pin is biased upward by the force of coned disk springs, with the brace member inserted in the T-slot, thereby causing the pressing portion to expand upright walls of the brace member into pressing contact with side faces of the table defining the T-slot. The jig can be attached to the table easily.

Abstract: A retaining bracket is provided for securing a carpenter's square thereto in a desired fixed position relative to the bracket, such that the carpenter's square can be used to mark surfaces of construction materials to be cut. The retaining bracket includes a pair of locking elements captured by and loosely carried in a channel within the bracket and having arm portions positioned outside of the bracket and pins extending through a slot in the bracket connecting the interior and exterior portions of the locking elements, and the arm portions are provided with locking screws which are advanced into contact with the square once the square is properly positioned, to thereby securely fasten the square to the bracket.

Abstract: There is provided a new and useful workpiece locating device for use on a machine table comprising at least two spaced elongated support members arranged in parallel so as to create at least one elongated slot, in a top surface of said table, between adjacent support members in which the locating device comprises a first member for insertion into the slot, which first member comprises a base having a width less the width of the slot and at least one locking means to releasably secure the base within the slot and a second member fastened to the first member in which the second member is upstanding relative to the top surface of the table when the device is positioned in the slot.

Abstract: A mounting support device allows workpieces to be attached at points intermediate between discrete positions of fixture bases of machine tools. The mounting support device has three support members. A lower support member is slidably attached to an intermediate member allowing the intermediate member to move along an x-axis. An upper support member is slidably attached to the intermediate member allowing the upper member to move along a z-axis. A jig for holding a workpiece is connected to the upper member. The lower support member is attached to the fixture base in a discrete location in the usual way. Thus, the jig holding the workpiece can be positioned intermediately between discrete mounting positions of the fixture base. The sliding attachments maintain precise alignment between the support members and can be secured after adjustment.

Abstract: A setup device for use in a machine way channel of a machine table comprising an elongate member having opposed first and second ends. The elongate member has a stock engaging surface located adjacent the first end for facilitating alignment of a desired piece of stock relative to the machine way channel. The second end of the setup device supports a locking arrangement for releasably engaging with the machine way channel of a machine table. The setup device also includes a mechanism for facilitating rotation of the setup device for locking and unlocking the setup device, as desired, from the channel.

Abstract: This invention provides a portable system for adjustably grasping and cradling a model train engine or other car (especially Garden Scale) without damaging it and presenting the desired portion of such engine or car for repair or maintenance. The device used includes: a rectangular longitudinal plywood base plate having in its upper surface a pair of transverse upside-down T-slots with sloppy-fit nut members captured in the T-slots; and a pair of longitudinal plywood vertical side plates, each fitted with vertical bolt members tightenable in the corresponding nut members. When the piece to be worked on is placed between the side plates, with appropriate cushioning, the sloppy fits permit the side plates to be pushed into snug position before tightening. The device also provides a cover with a handle for portability between uses.

Abstract: A displaceable bench vice support means consisting of a two-component bench-mounted device, the first component is a handle means of a rectangular configuration cooperating to lock with a rigid planar component that is also provided with a peripheral depending skirt, which skirt supports the bench vise readily on the work table. This support device is handily released to permit stowing away of bench vise and the support means until again needed.

Abstract: A mounting support device allows workpieces to be attached at points intermediate between discrete positions of fixture bases of machine tools. The mounting support device has three support members. A lower support member is slidably attached to an intermediate member allowing the intermediate member to move along an x-axis. An upper support member is slidably attached to the intermediate member allowing the upper member to move along a z-axis. A jig for holding a workpiece is connected to the upper member. The lower support member is attached to the fixture base in a discrete location in the usual way. Thus, the jig holding the workpiece can be positioned intermediately between discrete mounting positions of the fixture base. The sliding attachments maintain precise alignment between the support members and can be secured after adjustment.

Abstract: A table for forming trusses that includes channels that do not unduly deform or bend during truss construction comprises: a support frame; first and second substantially horizontally-disposed elongate panels; a first channel having a generally horizontal floor and opposed side walls extending upwardly therefrom; and a locator stop. Each of the panels has an upper surface, a lower surface, and opposing lateral edge portions, and the panels are positioned so that their respective upper surfaces are substantially coplanar and so that a first of the lateral edge portions of the first panel is in adjacent, non-contacting relationship with a first of the lateral edge portions of the second panel, thereby forming a gap therebetween. One of the side walls of the channel supports the lower surface of the first panel, and the other of the side walls supports the lower surface of the second panel.

Abstract: A work holding apparatus includes a generally horizontally enlarged platelike support pallet having a plurality of vises mounted on and integrated into the pallet. The vises are typically disposed in sidewardly spaced but generally parallel relation. Each vise is associated with an elongate groove which extends horizontally of the pallet and opens downwardly from the upper surface thereof, and the vise jaws cooperate with and project downwardly into the groove so as to be movable longitudinally of the groove, whereupon the pallet effectively functions as the base for the jaws to simplify the overall structure of the apparatus and minimize the overall height thereof. The jaws are preferably activated by an elongate actuator screw which extends longitudinally of the groove and is also preferably positioned so as to be at least partially recessed into the groove to further facilitate the integration of the vise into the pallet and the minimization of the overall structure and height thereof.

Abstract: A sliding block (8) for securely clamping a clamping tool on an underlying surface, in particular a clamping table (7), which exhibits at least one T-slot shaped clearance (18), having a base (14) which may have a rectangular outline and a clamping plate (15) which exhibits a pair of anchorage continuations (16) which project with respect to the base (14) and are in a symmetrical arrangement. A threaded bore (12) is provided which passes through the base (14) and the clamping plate (15) and receives a fastening bolt (9). The clamping plate (15) has a further pair of anchorage continuations (17) and the base (14) and the clamping plate (15) with the two pairs of anchorage continuations are matched to two T-slot-shaped clearances (18, 19) of different geometry. The two pairs of anchorage continuations (16, 17) on the clamping plate (15) are, with respect to the axis (13) of the threaded bore (12), turned through an angle of 90.degree. with respect to one another.

Abstract: A workpiece clamping apparatus has a first cam with an arcuate exterior surface thereon. A pin is provided for rotationally mounting the cam about an axis to an anchoring member. An adjusting mechanism is provided for adjusting the position of the pin means with respect to the anchoring member.A second cam is operably attached to the pin and is mounted for rotation about the axis.An anchoring member is attached to the work surface.A track member is attached to the work surface and the bottom of the anchoring member is attached to the track member.

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 quick release clamp for clamping relative to a member is provided as well as a method of locating frame members of a roof truss frame on a roof truss frame table to permit fabrication of roof truss frames. The clamp has a moveable clamping jaw, a threaded clamping shaft, and a threaded clamping nut. The jaw is attached to one end of the shaft so that it can rotate with the shaft when the shaft is rotated. The shaft has a stop at the opposite end to the jaw. The nut is screw-threadably attached to the shaft between the jaw and the stop. The jaw is arranged to pass through an aperture in a member to which the clamp is to be attached. The aperture may in fact comprise a slot in a track member. The jaw and the aperture are shaped so that in one angular rotated position of the jaw relative to the aperture the jaw can pass through the aperture but in another angular rotated position relative to the aperture the jaw cannot pass through the aperture.

Abstract: A workpiece clamping apparatus for securing a workpiece relative to a planar support surface including a pair of contoured block members, each provided with a plurality of slots and apertures and having a base provided with structure for operatively attaching the block members to the planar support surface. A bar clamp has structure for securing a workpiece and further has opposite ends wherein each end of the bar clamp is operably associated with one of the pair of block members. The plurality of slots and apertures are axially aligned in both the vertical and horizontal planes. Each slot is operatively associated with a selected one of the plurality of apertures and is further dimensioned to receive one of the ends of the bar clamp. The plurality of apertures further include at least one aperture formed in the base of each contoured block wherein the at least one aperture is provided with structure for operably connecting the block member to the planar support surface.

Abstract: A workpiece locating unit is receivable in a T-slot formed in a workpiece supporting table member and provides a pin or other locating device cooperable with a locating feature on a workpiece to aid in accurately positioning the workpiece on the work supporting surface of the table member. The unit has four corners each providing an abutment surface for engagement with one or the other of two vertical slot surfaces. Two diagonally opposite ones of the abutment surfaces are rigid and the other two diagonally opposite ones of the abutment surfaces are resilient. The resilient abutment surfaces resiliently engage the two vertical surfaces of the slot and urge the unit about a vertical axis to hold the rigid abutment surfaces engaged with the vertical slot surfaces eliminating lateral looseness between the unit and the table member and providing accurate positioning of the locating device of the unit as the unit is moved from one position to another along the length of the slot.

Abstract: A modified T-slot arrangement is provided for firmly holding objects to be fastened to a holding surface. A mounting member is provided with outwardly flaring inclined surfaces to cooperate with a mating member having similar surfaces. The outer surface of the mating member may serve as the holding surface. When a fastening force is applied to the mounting member through the object, the outwardly flaring arm portions of the mounting member are urged firmly against the cooperating surfaces of the mating member with a force greater than if the arm portions were not inclined.

Abstract: An adapter for use with clamping devices for clamping workpieces on perforated screen plates of machine tools. The adapter has a plurality of building block-like elements. One such element, a base plate, has at least two bores for fastening the base plate to the perforated screen plate. A T-groove in the base plate receives a transverse sliding element. A T-groove in the transverse sliding element receives a base of a longitudinal sliding element. A building block element rests on the base plate. A securing mechanism secures the building block-like elements with respect to each other.

Abstract: An apparatus for holding firewood and dimension lumber during cutting includes an upright member having a generally triangular shaped plate attached near one end thereof, the plate includes a plurality of steps, each of the plurality of steps having a generally V-shaped portion facing downwards that is attached thereto. The V-shaped portions engage the butt end of any diameter of a log of sufficient size that is placed on the holder and prevents the butt end from becoming dislodged. A serrated plate is attached under the triangular shaped plate that is useful for securing the butt end of small logs and of dimension lumber. A first end of a longitudinal member is attached to the upright member under the serrated plate and extends away from the upright member and is generally perpendicular with respect thereto. A generally rectangular plate having a trough at the top is attached at a second end of the longitudinal member and is useful for the cantilevered placement of logs for cutting thereon.

Abstract: A vacuum clamp plate is built up from a plurality of clamp plate sections (1, 2), as building blocks. Hexagonal and pentagonal base patterns are provided in the buildingblock structure and on its top, each clamp plate section has a groove grid (18 ). The clamp plate sections (1, 2 ) are connected to each other by coupling elements that also serve to carry the vacuum.

Abstract: A wall-mounted pipe clamp installation and a mounting kit therefor. The kit comprises an elongated wall bracket having its upper and bottom edges in the form of downwardly and upwardly facing and opposing channels respectively and a pair of pipe end receiving sockets slidably mountable in the bracket. Each socket has a base with exposed upper and lower edges spaced to fit in bracket supported relationship in the channels and a projecting socket formation for receiving a pipe end therein. Each socket formation is preferably provided with a set screw to secure therein the free pipe end of each pipe clamp of a pipe clamp installation.

Abstract: A fixturing system for mounting engine blocks on a dual-axis table with T-ways in preparation for machining has two rear support units, a front support unit, and a front screw jack unit, on which the engine block is mounted. These units are adjustably clamped to the table by T-nuts. The two rear support units provide an adjustable vertical stem having an enlarged tapered head for engaging a rear portion of the engine block. The front of the engine block is engaged by the head of a clamping screw mounted on an adjustable bracket clamped against a slide block in turn clamped to the table.

Abstract: A clamping element (4) for the clamping of workpieces on a clamping surface (1b) with receiving recesses distributed over its surface in accordance with a predetermined division (Ra) has on its clamping body at least two attachment openings (9) spaced from each other by the division spacing (a) and at least two clamping holes (10) which are in each case distributed along at least one circle around a longitudinal axis (8) of the clamping element (4) in order to achieve high reproducibility with a great variety of possible uses.

Abstract: A die press unloader which retrieves material from beneath the lower die of a pair of dies mounted in a die press. The material which is retrieved will have passed through the lower die, and can comprise either scrap, for example in making perforated strip or product, for example in making shaped blanks from a strip. The unloader utilizes a combination of gravity and a mechanical arm, preferably actuated by a double-acting air cylinder, the movements of which are controlled by the press itself.

Abstract: A T-slot bolt sleeve for retaining the head of a conventional bolt in the T-slot of a machine tool table. The sleeve has a lower base block portion which slides in the main portion of the T-slot, and a neck portion which extends upwardly from this so as to ride in the relatively narrow entrance slot. There is a recess in the bottom of the base block for receiving the head of the bolt, and the shank of the bolt passes through a bore which extends upwardly from this. This holds the bolt in an inverted position so that the threaded end extends upwardly from the table for attachment of a nut or other fitting. The bottom of the base block is provided with a planar bearing surface which supports the assembly against side-to-side rocking as this is slid through the T-slot. The invention permits ordinary bolts of various lengths to be used in place of conventional T-nuts or T-bolts.

Abstract: An apparatus for precisely locating a workpiece along a Y-axis of a milling machine worktable includes a fixture body having a generally rectangular cross section and at least one generally planar reference surface. The body has three longitudinally spaced apart apertures formed therethrough for retaining bolts. A nut threadably engages the center bolt and cooperates with an inverted T-shaped slot formed in the workpiece supporting surface of the worktable to clamp the body to the table. The body has a pair of spaced apart channels formed therein each with a longitudinal axis generally perpendicular to a longitudinal axis of the body, the channels being located at associated ones of the other two apertures. A foot having a pedestal portion is located in each channel for engaging a corresponding slot formed in the worktable. The feet are formed with a width corresponding to a width of an opening of the slot in which they are located.

Abstract: A holding arrangement includes a pair of elongated branch members forming, for example, a support for a cycle rack, with a pair of links being arranged in a vicinity of lower ends of the branch members for connecting the branch members so as to enable a relative displacement between the branch members. An arrangement is disposed between the lower end portion and the upper end portion of the branch members for displacing the branch members from a closed position to an opened position and for applying a tensioning force to the branch member so as to lock the branch members to an object. The lower end of each branch member is provided with an arrangement for enabling a securing of the branch members to the object upon a displacement of the branch members to the opened position.

Abstract: A quick die change clamp secures a workpiece to a work surface equipped with a T-slot. The quick die change clamp includes a fastener having a threaded end and a head at an end opposite the threaded end for slidable movement in a T-slot of a work surface. The quick change clamp also includes a clamp bar adapted to engage and disengage a workpiece and a rotatable flange stem nut attached to the clamp bar for moving the clamp bar along the threaded end.

Abstract: Structure for and method of die transfer. The structure comprises low friction bearing structures set into elongated T-slot bars secured in parallel, transverse spaced apart relation on a bolster plate and a die transfer truck table top actuable in response to the table top being raised to the level of the top of the T-slot bars with the table adjacent the bolster plate to raise a die positional on either the truck or bolster plate and facilitate universal movement of the die in a plane parallel to the top of the bolster plate. V-block and pin structure for centering the die on the bolster plate and die clamping structure including a washer having one straight edge and which moves axially of a bolt with a nut are also part of the die transfer structure.

Abstract: A workbench including a work top which is supported by a base. The base includes a plurality of attachment points of which various implements such as clamps, brackets and other accesories are removably mountable such that they are secured to the workbench without requiring attachment to the work top, thereby enabling the work top to remain unmarred, imperforate and in good working condition. The plurality of attachment points allow the implements to be mounted to the base in various positions as desired.

Abstract: A device for folding an elastic rubber intraocular lens, has two lens gripping elements which can be moved one relative to the other and which can be brought into contact with a lens body from diametrically opposite positions on a block frame. A lens reception space is provided between the gripping elements with a base surface for the flat positioning of the lens body. The space is open from the top to permit the lens to be folded when the two lens gripping elements are brought together.