Abstract: A fixture for supporting integrated circuit packages during wave soldering of leads on the packages includes a carrier portion including two sets of orthogonal support members. The support members have formed edges for defining seats for receiving the packages. A frame cover includes appendages for engaging the packages and maintaining the packages in the seats. The arrangement of the orthogonal support members and cover appendages facilitates solder wave access to all leads of the packages and cleaning and drying of the packages. Heat transfer from the molten solder during the wave soldering procedure is minimized due to the low mass of the cover appendages.

Abstract: For holding a plurality of different, in shape, workpieces, a holding unit comprises a laminated body with a number of thin identical shaped elongate plates which have one ends forming a workpiece supporting surface, a vibrator unit for moving the elongate plates so as to vary the shape of the workpiece supporting surface to create a new one, and a bias mechanism for clamping the laminated body, so the newly created shape of the workpiece supporting surface is maintained.

Abstract: An equipment handling device is provided comprising a frame having forward and rearward ends and opposite sides. At least one extensible column structure extends upwardly from the frame. A pair of arm members are rotatably mounted on the column structure adjacent the upper end thereof and are adapted to hold equipment to be worked upon in a fixed position with respect to the arm members. The arm members are pivotable about a horizontal axis such that the equipment can be moved to a selected position for work thereon. A locking mechanism locks the arm members against rotation from the selected position. The device includes upwardly curved portions extending forwardly from the frame such that the device can be pivoted upwardly and forwardly for picking up the equipment to be worked upon.

Abstract: An improved apparatus to be used by chain saw users, for example, for holding logs when cutting firewood. A portable log holder device is provided which enables a chain saw user to cut multiple logs into firewood pieces of the same length and at the same time prevent the chain saw from digging into the ground which might cause damage to the chain of the saw. The present invention includes a frame for holding logs above the ground surface. The logs being positioned generally horizontally, piled one on top of the other in a generally vertical direction. The frame is designed to be adjustable so that different log pieces can be sawed easily and is designed to make it difficult for the user to have the chain saw strike against the frame when being used.

Abstract: A log holder for supporting a log in a horizontal orientation by engaging one end of the log, thereby leaving the other end free for cutting. The holder includes a base (12), a frame (20) extending upwardly from the base, upper (24) and lower (22) supports mounted to the frame above the base, and a counterweight support (26). The lower support includes an upwardly facing first contact surface (56). The upper support includes a downwardly facing second contact surface (70, 72, 74) that is horizontally spaced from the first contact surface in a first direction. The lower and upper contact surfaces are vertically positioned with respect to one another such that one end of the log (10) can be supported therebetween in a generally horizontal orientation, with the log extending from the lower support in a direction opposite the first direction. The counterweight support is mounted to the frame above the base and is horizontally spaced from the upper support in the first direction.

Abstract: The invention provides a support stand for a workpiece which is stable, height adjustable and easily storable when not in use. The stand includes a platform section having a flat platform member and a tubular member mounted under the platform member. A first inner cylindrical leg having holes disposed at intervals along the length thereof is mounted under the platform member. A first outer cylindrical leg is slidably mounted over the first inner cylindrical leg having a hole located at the top for communication with any of the first holes of the inner leg. A T-shaped member comprising a second outer cylindrical leg is slidably mounted over the second inner cylindrical leg and has third holes disposed at intervals along its length and fifth holes located at the top 90.degree. from the third holes. Pin means are employed for locking the first inner leg to the first outer leg and the second inner leg to the first outer leg and the second inner leg to the second outer leg.

Abstract: A cage-type wafer carrier is provided which can be loaded and unloaded with semiconductor wafers by means of an automatic wafer transfer machine. No large slots are required in the bottom section of the cage-type carrier for allowing elevator lifts to pass therethrough to engage the wafers.

Abstract: An appliance tilt stand for releasably supporting a washing machine or other appliance in a forwardly tilted, secure position during servicing, comprises a base configured to be disposed on a floor surface and slid underneath an appliance to a point determined by the abutment of a stop member on the base with the inside lower front frame of the appliance. The base also mounts, a spaced distance rearwardly of the stop member, an elongated, pivotal support arm mounting a hook arranged to engage and support the rear bottom frame of an appliance in a secure, elevated position above the base of the stand, the base supporting the front lower edge of the appliance when its rear end is being supported by the pivotal arm.

Abstract: A jig or bench for holding a ski in any one of several stationary positions for servicing and repair comprising a rigid frame without any moving parts or clamps, which provides three stable sites for stationarily supporting a ski in any one of a plurality of positions suitable for different servicing and maintenance operations.

Abstract: A plurality of limbs or the like are secured together, to form a limb bundle (B). The limbs are positioned in a space defined laterally between a pair of posts (20, 24) on one side of a frame (12) and a second pair of posts (22, 26) on the opposite side of the frame (12). A windless (44) is supported at the upper ends of the posts (20, 24). A cable (54) extends from the windless (44) either downwardly and around the girth of the limb bundle (B), and then hooks on itself, to form a noose around the limb bundle (B), or it extends from the windless (44) down to and around a pulley (76), then upwardly and over a mid portion of the limb bundle (B'), and then down to a dead end connection (70) at a lower portion of the frame (12). In either case, tightening of the cable (54, 54') imposes a squeezing force on the limb bundle (B).

Abstract: Method of and apparatus for making reinforcement baskets for large diameter piles in which a pair of reinforcement hoops formed with spaced apart eyes are held in respective clamping fixtures on a pair of carriages displaceable on rails and the primary bars are pressed through these eyes while auxiliary bars are welded to the hoops between the primary bars. A helical wire is wound around the bars as the clamps are rotated and is welded to the bars while a support, also on a carriage displaceable along the rails, cradles the basket from below.

Abstract: A holder for stringing a racket includes a base, an intermediate fitted in the base, two holding arms having their one ends respectively pivotally mounted on the two sides of the intermediate, a screw threadedly engaging with the base and the intermediate for forcing the holding arms in inward or outward movement to hold or release the frame portion of a racket, and a clamping piece which together with holding arms clamps the frame portion therebetween.

Abstract: Precise and fastenerless connection of a fixture to rotatable headstock and tailstock positioners is provided by a slidably engageable ball and socket arrangement located on the headstock positioner and on one end of the fixture, and by a tapered roller located at the opposite end of the fixture which is cradled between two grooved rollers located on the tailstock positioner. The ball and socket centers the headstock end of the fixture on the rotational axis of the headstock positioner while the tapered roller and grooved rollers locate the fixture linearly as well as centrally. The overall fixture support arrangement permits misalignment of the headstock and tailstock positioners without binding of the fixture. A second slidably engageable connecting device at the headstock end assures precise rotaton of the fixture in unison with the headstock positioner.

Abstract: An intermediate storage in a press in which intermediate storages are to be provided within the area of idling stages thereof. The intermediate storages include storage templates matched to the shape of the bottom side of the workpieces which are adapted to be liftable in the vertical direction by way of lifting means. The lifting means may thereby act on the storage templates in the sense of a lifting movement, for example, by way of intermediate members displaceable by a motor-driven spindle, which act on the storage templates in the sense of a lifting movement by way of counter-abutment surfaces disposed at the ends of the storage templates.

Abstract: A pair of uprights are provided and disposed in laterally spaced relation. The uprights are interconnected at their lower ends by a horizontal base projecting considerably rearwardly, only, from the uprights and each of the uprights includes front and rear standards. The front standards support a horizontal fulcrum rest extending therebetween and the rear standards support a horizontal abutment member extending therebetween and vertically ajdustable therealong. The abutment member is disposed at an elevation above the elevation of the fulcrum rest and the outwardly projecting portion of the base includes platform structure from which a considerable weight load as may be represented by large rocks may be supported. Elongated logs to be cut may have short base ends thereof engaged beneath the abutment member and over the fulcrum rest with the opposite longer free ends of the logs projecting considerably outwardly from the side of the uprights remote from the sides thereof from which the base projects.

Abstract: A turbine blade holding device is disclosed for accurately holding a turbine blade relative to its stacking axis during grinding of the root form portion thereof. The device includes a fixed base and front and rear datum plates for supporting spaced sections of the air foil portion of the blade. A longitudinally extending pin is connected with the base and is designed to abut against the datum point of the blade. A clamping mechanism clamps the blade against the pin and the datum plates, with the front datum plate supporting the leading and trailing edges of the blade and the rear datum plate supporting the leading edge of the blade. The clamping mechanism includes an elongated clamp pivotally connected with the base and arranged along the fulcrum of the blade.

Abstract: A barbell exercise rack that includes a support base with a support stand upstanding therefrom to which are secured a pair of cantilever support arms. Each arm has a rack which holds the barbell while allowing the barbell to be lifted therefrom. The cantilever arms are mounted so that the outer ends are adjustable to be selectively converged and diverged in order to adjust the racks to various weight lifters. Preferably the height of the cantilever arms is also adjustable while the stand may include either one or two upright support elements.

Abstract: A firewood cutting support for cutting a piece of firewood stock into pieces of desired length including a plurality of cross braces spaced from one another a distance approximately equal to the desired length of firewood pieces being cut and an end cross brace spaced from an end one of the plurality of cross brace. The support insures that pieces of firewood will be cut into desired lengths and prevents the pieces from binding against the saw blade. The support also insures that the log will not require repositioning during any of the cutting operations.

Abstract: An apparatus for rapidly and accurately positioning and holding a very small elongated body, such as a stylus holder during manufacturing is disclosed. A pair of magnets or magnetized regions are utilized to position the stylus holder both rotationally and axially. A pusher mechanism, in conjunction with a pair of locating blocks very precisely aligns the stylus holder, causing it to engage the seat of an anvil for support during the manufacturing operation. A retaining mechanism retains the stylus holder within the apparatus until completion.

Abstract: A lightweight, movable lift usable in pairs for lifting and rotating vehicles to allow easy access to their undersides and engine compartments. A frame and upright slidably support a carriage which is moved up and down the upright by an actuator such as a hydraulic cylinder, compressed air cylinder or mechanically operated jack screw. A vehicle support rack is connected to the underside of each end of the vehicle and to a journal such that the journal is substantially aligned with the center of gravity of the vehicle. The journal is rotatably borne by the carriage as it moves up and down the upright, whereby the vehicle may be easily rotated once it has been lifted a sufficient distance. A follower mounted an appropriate distance radially from the center of rotation of the journal is received and controlled by a follower track mounted on the upright to rotate the vehicle as it is lifted. The lift allows the vehicle to be rotated a full 90 degrees when lifted for easy access to its underside.

Abstract: The work tray assembly includes a rectangular PVC board from which a first pair of slots, for the insertion of a splice platform, has been perforated. A second pair of slots, orthogonal to the first, is adapted to accommodate an elongated splice housing. A plurality of arcuately-shaped, flexible plastic clips are mounted in the board for the retention of cladded glass fibers. The board also supports at least one pipelike ring for grasping a vial containing chemicals required to strip and clean the cladded glass fibers. A pair of cable clamps positioned on opposite sides of the board at the extremities of a virtual center line drawn through the first pair of slots positions and supports fiber optic cables brought onto the work tray assembly and across the platform in anticipation of a stripping, cleaning and splicing procedure.

Abstract: A workholding vise which comprises an elongated bottom plate and an elongated top plate. At least three legs are provided with structure for fixing the telescopic sections thereof in mutually fixed relationship. The apparatus includes structure for mounting the three legs at substantially equal distances from a common geometric axis of the structure for mounting. This structure for mounting allows pivotal motion with respect to the bottom plate. A first elongated jaw is mounted on the bottom plate. The first elongated jaw includes and elongated V-shaped open trough extending in the general direction of the elongation of the bottom plate and the first elongated jaw. The apparatus also includes a second elongated jaw also having an elongated V-shaped open trough in it. The apparatus includes structure for clamping the first and second jaws together.

Abstract: An adjustable jig with curved surfaces comprising a plurality of rails arranged parallel to constitute a curved surface. The surface plate comprises a pedestal on which each of the rails rests. The height of the pedestal can be varied so as to modify a curvature of the curved surface. For this purpose, the jig comprises a device for lifting the rails and a device for shifting the pedestal.

Abstract: An apparatus for adjustably supporting a vehicle door at a convenient height whereby the door can be rotated through a generally horizontal axis passing through the door to a desired work position. The support apparatus comprises a pair of spaced-apart stands, one stand having mounting means in the form of an elongated connector pivotally secured thereto on a rotatable axle and adapted to be secured to one edge of the door by means of bolts threaded into bolt holes normally used for securement of the door hinges, and the other stand having a horizontal spindle secured thereto adapted to be received in the closable recess of the door locking mechanism on the opposite edge of the door for rotation of the door about the spindle. Each of the stands is adjustable as to height whereby the axis of the spindle and the axis of rotation of the axle secured to the elongated connector can be normally horizontally aligned.

Abstract: A workbench construction is disclosed which is easily disassembled for transportation and storage and which is adapted for use in performing a variety of different saw cutting operations. The work bench includes a pair of spaced bench beams which are independently supported on legs and a plurality of spaced elongated main rails which preferably comprise wooden boards which are disposed on edge and which are detachably received in interfitting relation on the bench beams. For performing a saw cutting operation, a member which is to be cut is positioned on the upper edges of the main rails, and the desired cutting line is aligned with the spacing between a pair of adjacent main rails to provide clearance for the saw blade.

Abstract: A sawing trestle for elongate wooden bodies comprises a single, upwardly extending frame part and two V-shaped members spaced apart by about ten centimeters. The two belts are provided for clamping the elongate bodies on the V-shaped members. The belts each have one end attachable to the frame part and a second end connected to a stretching member so that the belts can extend between ends of the V-shaped members and be stretched around the elongate bodies.

Abstract: A support to hold a log while sawing the log into fireplace lengths including a mechanism operated by the foot of the user to grasp the log and hold it clamped in place and having wheels so that the device will clamp easily and is easily moved from one place to another.

Abstract: A stand (10) selectively positions a transmission case (12) having a wider end portion (14) and a narrower end portion (16). A generally rigid and open frame (18) supports a yoke (48) adjacent its front end. The yoke (48) extends across the frame (18) and has a pair of side bar structures (56,58) to which the wider end portion (14) of the transmission case (12) is attachable. A support structure (86) includes an upwardly extending support crossbar (88) having a support platform (100) and is adapted to support the narrower end portion (16) of the yoke (48). The support structure (86) may be mounted in several different orientations thereby allowing the transmission case (12) to be mounted in several different orientations.

Abstract: The work tray assembly includes a rectangular PVC board from which a first pair of slots, for the insertion of a splice platform, has been perforated. A second pair of slots, orthogonal to the first, is adapted to accommodate an elongated splice housing. A plurality of arcuately-shaped, flexible plastic clips are mounted in the board for the retention of cladded glass fibers. The board also supports at least one pipelike ring for grasping a vial containing chemicals required to strip and clean the cladded glass fibers. A pair of cable clamps positioned on opposite sides of the board at the extremities of a virtual center line drawn through the first pair of slots positions and supports fiber optic cables brought onto the work tray assembly and across the platform in anticipation of a stripping, cleaning and splicing procedure.

Abstract: A portable gun case holder comprised of a pair of gun supports mounted within a carrying case wherein one of the gun supports is equipped with a clamping assembly which holds the gun in place wherein the clamping assembly may be adjusted to accommodate the individual characteristics of a particular gun and furthermore where the gun supports may be folded within the carrying case to allow for easy transportation of the invention.

Abstract: A highly accurate rapid gimbal assembly method utilizes two fixtures for establishing the critical gimbal assembly parameters of yield and axis of intersection and an adhesive for bonding each mating surface of the gimbal assembly for holding the components of the gimbal assembly in their adjusted positions. The fixtures include an inner/outer gimbal fixture for holding the inner and outer gimbals in relative position for bonding and a gimbal/post fixture for holding the gimbal assembly in alignment on the support post for bonding. These fixtures and assembly method eliminate the need for use of shims between the mating surfaces for establishing alignment of the critical parameters.

Abstract: A load supporting dolly is provided with foot portions having underlying and spaced apart rounded heads for engaging and seeking a position of stability on an underlying floor and provided with inclined heel portions supporting rollers to which the weight of said dolly can be transferred by tilting said dolly whereupon the dolly may be rolled by means of the rollers to a different operating station. The dolly includes a rectangular frame having side portions cradling jacking means independently operable alternately to progressively advance the load to a desired position. In one embodiment the dolly is adapted for supporting an automobile door which is to be hinged or unhinged. In another embodiment the dolly is adapted to supporting a bumper which is to be attached or detached from an automobile.

Abstract: Apparatus and method for supporting vehicle body parts to be worked upon, and the method includes the steps of supporting a vehicle body part, such as a car door, on a mobile jack and moving the body part to apparatus which supports the body part after the apparatus is withdrawn. The apparatus includes an enclosure frame which is horizontally disposed and which has two separable sections so that the body part can be placed within the confines of one of the sections, and the other section can then be assembled with the first section for completely supporting the vehicle body part for working thereon.

Abstract: A support structure utilized for checking and repairing rotatable objects of various kinds, such as a turbine for power generator or a blower fan, includes a roll support base which rotatably supports one end of the rotatable object thereon by means of a pair of rolls which are supported on an adjustable surface plate of a base frame by means of a spherical support mechanism. Due to the spherical support mechanism, the rolls on the support bases can uniformly support both ends of the rotatable object without imparting any thrust to the rolls even when horizontal levelling is not achieved.

Abstract: A jig is provided including a base for support from the base plate of a hydraulic press over which a downwardly extendible ram is mounted. The jig includes a pair of upstanding supports spaced horizontally apart and with at least one of the upstanding supports mounted from the base for shifting toward and away from the other upstanding support. A first of the supports includes a mount supported therefrom for angular displacement about a horizontal axis extending transversely of a plane containing the upstanding supports and a provided with mounting shank portion generally paralleling and swingable in the aforementioned plane when the mount is angularly displaced about its axis of oscillation. The second of the upstanding support mounts a cradle assembly therefrom for adjustable positioning vertically therealong and for oscillation about a horizontal axis paralleling the first mentioned axis.

Abstract: A worktable for use in automobile body shops. The table has removable sideboards which are adapted to extend upwardly from the side edge of the table, with the sideboards being positioned substantially coplanar with a plane adjacent to the side of the table and substantially normal to the top surface of the table. The sideboards are used to support various automobile body parts, such as fenders and grilles, in an elevated easily accessible and workable position. The sideboards are removable so that the top of the table can be used to support other parts of the automobile body, such as the hood, trunk deck, window glass, etc. A pair of cushion bolsters can be provided for supporting windshields and bumpers to prevent scratching or otherwise damaging the surface of such articles. Dispensers can be also be included in the work-table for dispensing sanding discs and masking paper.

Abstract: Adjustable pipe clamp holders may be fixedly positioned within existing apertures on the work surface of a workbench. The holders are designed for locking engagement with pipe clamps so as to lock the pipe clamps to the workbench. Through the adjustable rotatable positioning of the clamp holders in certain selected apertures, the pipe clamps may be securely locked in any desired angular position on the workbench, thus to facilitate the desired positioning of a workpiece within the jaws of the pipe clamp.

Abstract: A machine for working workpieces with a round outer contour by cutting has a coordinate table arranged to displace a workpiece in x-direction and y-direction and having a clamping guide extending in x-direction, a cutting device acting substantially in z-direction, and moving in a predetermined movement region, and clamping arrangement arranged to releasably hold the workpiece on the coordinate table and including a central clamping device arranged on the clamping guide, aligned with the axis of symmetry extending through the center axis of the workpiece, and having clamping elements mounted displaceable in the direction of the axis of symmetry, also including two lateral clamping devices displaceably arranged on the clamping guide, located at opposite sides of the central clamping device, and each having clamping elements which are mounted pivotally about at least one pivot axis extending substantially normal to the workpiece plane and parallel to the z-axis so that the clamping elements can move from a rele

Abstract: A pair of horizontally elongated support structures is provided for supporting a horizontal panel member from opposite marginal edges thereof. The support structures each include an elongated horizontal member defining a central area for abutting, extending along and removable anchoring to one marginal edge of an associated panel member and upper and lower opposite marginal edges disposed above and below the central area thereof and the opposite marginal edges define a ridge extending along one marginal edge and a groove or trough extending along the other marginal edge. Accordingly, when the support structures are used in pairs of support structures with each pair supporting a horizontal door or other panel between the central areas thereof the ridges and troughs of vertically stacked support structures may be engaged with each other in order to support the panel members in horizontal, vertically spaced and stacked relation.

Abstract: A service rack for fuel injectors allowing a plurality of injectors to be simultaneously mounted for inspection, disassembly, repair and reassembly, the rack having a support assembly for mounting of a variable plurality of fuel injectors pairs, a clamping mechanism for retaining the injectors for maintenance inspection and repair, a locking pivot support allowing the support assembly to be inverted for access to the bottom as well as the top of the injectors and a swivel column allowing the support assembly and pivot support to be rotated for access to a front and back row of injectors, the swivel column being connected to a service table with a raised rim for collection of spilled fuel and dropped parts.

Abstract: The invention discloses a sawbuck. The sawbuck comprises a rectangular base, from the base there are upwardly projecting side walls, on two sides there is an outer and inner wall. The distance between the inner and outer walls define an opening, the said opening is for holding slats, the slats are positioned for holding logs, the logs are placed across the facing side walls in between the slats.

Abstract: An assembly for the production of covers, or toppers, for the truck beds of various sizes and makes of pick-up trucks comprising a preformed shell which serves as a base or body portion for the finished cover, and a support member for the preformed shell which provides means for trimming the shell to a predetermined length and enables the shell to be maintained in a fixed position during fabrication of the completed cover. The preformed shell has an initial length greater than that of the finished cover, and, together with the support member, provides a simple, effective and efficient means for making covers for at least eleven different models and makes of pick-up trucks.

Abstract: The present invention entails an adjustable boat cradle for supporting a boat. There is disclosed a rectangular base frame structure with a plurality of adjustable vertical support assemblies strategically located and connected to the base frame structure. Typically said vertical support assemblies extend generally upwardly from at least the corner areas of the base frame structure and includes an upper cradle pad that actually engages a side portion of the boat's hull while the keel of the boat is directly supported by an underlying support. To accommodate hulls of various sizes and shapes, the effective length and angle of orientation of the vertical support assemblies can be conveniently adjusted. In addition, the cradle pads are universally mounted about the vertical support assemblies such that they will rest adjacent the hull irrespective of the orientation of the support structure comprising the respective vertical support assemblies.

Abstract: The invention combines a Vee block and angle plate, as used for example by tool makers, into a single article. As shown in FIG. 1, for example, it is possible to maintain much of the versatility of a typical angle plate with that of a typical Vee block, but at greatly reduced cost as compared to that of providing the two separate parts.

Abstract: Apparatus for the positioning of an automobile vehicle bodywork on an inspection and/or repair gauge block of the type comprising two parallel longitudinal members having an I-section. The apparatus comprises two cross members for disposition beneath the longitudinal members the cross members being mounted for movement along the longitudinal members by means of rollers rolling on the lower flanges of the longitudinal members. The extremities of these cross members each carry, outside the gauge block, a lateral bracket containing a sliding vertical arm the upper extremity of which carries an element adapted to support the base of a vehicle body. This element is movably mounted in the transverse direction while mechanical control structure is provided permitting sliding the vertical arm in order to adjust the position of this support element in the vertical direction.

Abstract: A rack for use in carrying recorded discs through a cleaning operation includes a substantially C-shaped rod having a hook at its top end and three sets of spaced posts extending from the sides of a circular bottom portion. A separate plastic spindle is mounted on each of the posts with each spindle having a plurality of spaced annular grooves in its outer surface. The recorded discs are adapted to be set in the grooves in the spindles to support the discs on the rack.

Abstract: A machine for fabricating driveshafts includes a frame including a support bed. A tailstock with centering spindle is mounted on said support bed. A headstock with driving spindle coincident with said centering spindle's axis is also mounted on said support bed. A rotatably lockable phasing plate is receivable in said driving spindle for mounting a rotary workpiece coincident with said axis. A phasing plate lockable in a positional relationship to said driving spindle phasing plate is receivable in said centering spindle for mounting a rotary workpiece coincident with said axis.

Abstract: A sawbuck which is collapsible/knockdown to form a unified flattened bundle for easy storage or transport in which part of the sawbuck collapses to form a storage pocket for receiving the remaining part of the sawbuck.

Abstract: A folding sawbuck is disclosed that combines a cross frame design with integral vertical members, allowing a large quantity of logs or other wood to be cut into firewood at one time. The use of independant support assemblies, secure by horizontal members, provides an obstruction free cutting path that gives fast and safe cuts under all types of conditions, with all types of wood. The sawbuck is designed to be folded compactly for storage, and then opened for use with a minimum of difficulty. Two different embodiments of the invention are disclosed, each design using a different means for forming the "X"-frame portion of the main support assemblies. The invention is designed as a kit, with all parts pre-cut for easy assembly, or it can be manufactured fully assembled. The sawbuck can be constructed from either wood, metal or plastics.

Abstract: A support structure utilized for checking and repairing rotatable objects of various kinds, such as a turbine for power generator or a blower fan, includes a roll support base which rotatably supports one end of the rotatable object thereon by means of a pair of rolls which are supported on an adjustable surface plate of a base frame by means of a spherical support mechanism. Due to the spherical support mechanism, the rolls on the support bases can uniformly support both ends of the rotatable object without imparting any thrust to the rolls even when horizontal levelling is not achieved.