Abstract: Implementations of rebar jigs may include: a ring including a first member and a second member. The first member may be configured to couple to the second member through a second connector. The rebar jig may also include a stand including a first leg, a second leg, and a support bar. The support bar may be positioned between the first leg and the second leg. The ring may be configured to receive three or more rebar thereon through at least three pegs coupled to a perimeter of the ring. The stand may couple with the ring through two or more couplers.

Abstract: The slide operation-type dovetail groove sliding stage may include a sliding lock screw for locking sliding of a sliding component, by causing the screw to abut on an inverted triangle-shaped protrusion, provided on a sidewall of a sliding component approximately parallel to a sliding direction and coupled to the sliding component, to bring the protrusion into contact with a dovetail of the fixed component and by tightening the screw. The sliding lock screw may be used as a sliding adjustment screw for performing fine adjustment of a degree of sliding of the sliding component with respect to the fixed component by adjusting an amount of rotation of the screw which abuts on the protrusion to bring it into contact with the dovetail of the sliding component, and a driving means which an operator grasps to perform an operation of sliding the sliding component to a desired position.

Abstract: A corsage wristlet decorating support device is provided. The present wristlet decorating device securely holds a wristlet in place so that it can be easily decorated. The present wristlet support device comprises a horizontally-extending tubular support portion, an adjustable clamp portion, and a vertical, elongated body portion connecting the tubular portion and the clamp. The curvature of the walls of the tubular portion roughly conforms to the curvature of the inner arch of a wristlet so that the wristlet may be supported thereon. The body supports the tubular portion in a vertical, raised position that is comfortable to work from. The clamp is designed to be adjustable so that it can secure the device to a large range of support surfaces of varying thicknesses and configurations.

Abstract: The present invention provides testing fixture which comprises a main fixing device for securely holding a liquid crystal display module to be tested; an auxiliary fixing device attached to sides of the main fixing device; and an adjusting knob installed on the sides of the main fixing device and supported by the auxiliary fixing device, wherein when the auxiliary fixing device is disengaged from the main fixing device, the main fixing device can rotate centered on the knob. By the provision of the present invention of the testing fixture, when the testing direction of the liquid crystal display module needs to be changed, the changing of the direction can be readily facilitated by the testing fixture as the main fixing device can safely supported by the auxiliary fixing device. Accordingly, a single technician can safely perform the adjustment, and therefore effectively reduce the labor cost associated therewith, while the testing performance is increased.

Abstract: A fixing structure (10) of a distribution member has a plurality of pins provided on one of an annular distribution member and a stator in a predetermined arrangement relation in the circumferential direction, and a plurality of holes provided in the other one of the annular distribution member and the stator so that the plurality of pins are fitted thereinto, respectively. In the fixing structure, each pin and a corresponding hole form one fitting set and the tightening margin of each fitting set has a different value.

Abstract: A work station for securely and temporarily holding a model airplane for the purpose of making adjustments, repairs or performing other maintenance on the plane. The work station is on wheels, contains a tool box with tools and a clamp and cradle to securely hold the airplane or only the fuselage, if desired. The work station can be disassembled and stored away in the back of a small vehicle. The clamp and cradle may be mounted on the tool box, which may be easily removed from the work station. In this way, the tool box acts as smaller portable work station, as well.

Abstract: An apparatus is disclosed for holding a flat object. The apparatus includes a post, a supporting mechanism movably connected to the post, a clamping mechanism pivotally connected to the post, and a linking element for linking the supporting mechanism and the clamping mechanism together. Thus, the flat object is clamped by the clamping mechanism clamps when the flat object is supported on the supporting mechanism.

Abstract: A support device for use with at least one of a stepladder, an extension ladder, and scaffolding, includes a base member manufactured from a first predetermined material and having a first predetermined shape and a first predetermined size. A height adjustable rod member is operably connected at a first end thereof to such base member. A brace member has a first end and a second end, such first end of such brace member being perpendicularly engaged with such elongated rod member. A securing mechanism is operably disposed on such second end of such brace member for securing such brace member to such at least one of such stepladder, such extension ladder, and such scaffolding,. At least one support member is releasably engageable with such second end of such rod member for supporting a predetermined object thereon.

Abstract: A collet assembly for use on a support device comprising a rotatable base section, a support structure secured to the support device, with the support structure supporting the base section on said support device. The base section has a central axis, and the base section is rotatable with respect to the support member and the central axis to a plurality of positions. The collet assembly includes a locking device for locking the base section at one of the plurality of positions.

Abstract: A stave press assembly for holding a wooden stave or other work piece while the stave is fabricated into a bow or other operations are performed on the work piece, has an immovable pressure plate disposed nominally horizontally when the press is attached to a support surface, and a movable pressure plate which can grip an irregularly shaped wooden stave or other work piece by moving it in a downwardly direction toward the immovable pressure plate. The movable pressure plate is pivotable to a limited extent in order to provide a gripping surface for irregularly shaped items and each pressure plate is lined with resilient high friction material.

Abstract: A system for the storage and convenient presentation of tools or other items is disclosed. Specifically, the invention disclosed is a multilevel tool lift which consists of a base assembly, a substantially vertical tube assembly and shelf assemblies attached to the substantially vertical tube assembly. The substantially vertical tube assembly can be extended or contracted, thereby raising and lowering the shelf assemblies attached thereto.

Abstract: A bench-top workpiece holder comprising: a bench clamp for attaching the workpiece holder to a bench top; and an articulated arm assembly supported on a post extending vertically upwardly from the clamp, the arm assembly mounting a workpiece clamp assembly for selectively pivotable movement about three substantially parallel vertical axes and for rotation about a substantially horizontal axis.

Abstract: A ladder station supporting device is provided which includes an upper holder assembly having an upper mounting body and a first vertically-oriented holder rotatably fastened to the upper mounting body; a lower holder assembly having a lower mounting body and a second vertically-oriented holder rotatably fastened to the lower mounting body; and a vertically-oriented articulation rod interconnecting the upper and lower holder assemblies, wherein the upper holder assembly may be adjustably positioned along an axis defined by the articulation rod.

Abstract: A mower blade sharpener apparatus has an automatic reciprocating holder means to sharpen lawn mower blades conveniently with any stationary circular flat-faced grindstone with its driving motor affixed to a common base. A housing frame having open opposing sides contains a blade holder with upper and lower securing clamps and a V-shaped cradle. The housing frame is attached by a screw to a carriage automatically moved back and forth a limited distance on a pair of parallel rods to sharpen the lawn mower blade. The housing frame and carriage are driven by a pneumatic system designed with a reciprocating movement of approximately 4 inches in a cycle duration of approximately a second. An on/off pneumatic valve switch automatically shuts off the pneumatic pressure when a semicylindrical shield which covers the blade portion not being sharpened is rotated back away from the blade.

Abstract: The invention is a clamping device attaching to a bar clamp or pipe clamp which, instead of providing a flat surface for singular longitudinal compression, the device allows for angular clamping, the device having a rotating base and clamping portion allowing for perpendicular or angular force application in two angular vector directions.

Abstract: An electroplating rack includes a cathode flight bar from which depends an insulated rack bar over an acid bath. A clamp is fixed to the rack bar, and has a bridge electrically connected to the flight bar through a conducting core inside the insulated rack bar. The clamp has a main body made of plastic, which includes a slot in which protrudes the bridge. An electrically conducting spring clip is installed in the slot, and is formed of two arms continuously biased into a spreaded, opened condition in the slot. A screw carried by the main body, when rotated in a first direction, can force the spring clip into a closed condition, in which it can hold an article to be electroplated between its two arms, and in which one of the spring clip arms is forced against the bridge member. Thus, electrical current can pass through the rack flight bar and conducting core, then through the bridge member, the spring clip and finally into the article to be electroplated.

Abstract: A base beam for formation of a horizontal and vertical, rod-like framework for use in clamping workpieces to be measured, includes a main body defined by a substantially square cross section and having drawn-in flanks formed centrally with a rib, and a carriage detachably securable on the main body for displacement longitudinally in direction of the main body, with the carriage having at least one side formed with one or more precision bores.

Abstract: Apparatus for securing an automobile bumper during painting and repair. The apparatus includes a base support structure. A frame is coupled to the base support structure. A mechanism is provided for securing the bumper to the frame. Further, a mechanism is provided for adjusting the frame relative to the base support structure.

Abstract: The invention is directed to a method and apparatus for determining coating thickness on a substrate. The apparatus comprises a jig and fixture combination where the jig includes a moveable stop that fixes a position for placing a substrate specimen in the fixture, and where the fixture includes an inclined plane for receiving the substrate specimen at a predetermined angle .theta. that slopes in a downward direction to engage the moveable stop. A clamp that holds the substrate specimen at a fixed position against moveable stop and inclined plane when said fixture is separated from said jig to determine coating thickness on the substrate.

Abstract: A device for turning long members includes two spaced receiving discs each including a first half disc and a second half disc. Each of the first half discs and the second half discs includes a diametrical side and a semi-circle periphery. The diametrical side of each first half disc having a first cutout defined therein, while the diametrical side of each second half disc having a second cutout defined therein, the first cutout and the second cutout together defining a compartment adapted to be fittingly extended through by a long member. The semi-circle periphery of each of the first half discs and the second discs including a plurality of spaced rectilinear sections. Each first half disc and an associated second half disc include aligned slots when assembled, and further comprises fastening members extended through the aligned slots to secure the first half disc and the associated second half disc together.

Abstract: A fabrication assembly (10, 18, 24, 30, 38, 44, etc.) for the manufacture of prosthetic and orthotic devices allows various components of these devices to be aligned on a common mast with respect to height, distance, flexion/extension, abduction/adduction and rotation alignment criteria, and each of these criteria can be adjusted apart from the other criteria. There are planar translation components (62, 62') that permit true planar, medial-lateral movement relative to a mast (10) without imposing rotation or angular deflection to a component mounted thereon. Accordingly, the assembly of a prosthetic or orthotic device according to physiological alignment criteria is an efficient step-by-step process, whereas prior art devices required that at least two criteria be adjusted and checked simultaneously. Among the features of the fabricating system are an angular/rotational fixture (38) that allows for separate settings of angular and rotational orientations for a given component.

Abstract: A mounting unit used to support objects through the use of a base connected to a rotating shaft, which may be moved in a variety of directions and then locked into place. A second rotating shaft is connected to the first rotating shaft. The second rotating shaft is also multi-directional and may be locked into place. Attached to the second rotating shaft is a load bearing mounting plate used to hold the object in place. The mounting plate also pivots in various directions.

Abstract: A device for turning long members includes two spaced bases each including two spaced vertical plates mounted on a top side thereof. A number of wheels are rotatably, mounted between the plates and located on a common circumference. Each wheel includes an annular groove defined therein. Two receiving discs are respectively, rotatably held by the wheels on the associated bases. Each receiving disc includes a first half disc and a second half disc which are releasably assembled together. The first half disc includes a peripheral edge received in the grooves of the associated wheels. Each of the first half disc and the second half disc includes a cutout for receiving a long member.

Abstract: A fly vise base assembly includes a base member for securing a fly vise, a resilient elastomeric gas impermeable suction pad and a movable lever for drawing the suction pad from a first position to a second position for a suction seal for securing the base member.

Abstract: A bicycle repair stand is disclosed which can be used in conjunction with a conventional sports rack attached to the roof of an automobile. The bicycle repair stand includes a generally vertical ground-engaging support post, a repair stand supporting arm which extends between the ground-engaging support post and the automobile, a generally horizontal bicycle carrying arm extending from the support post, and a bicycle seat tube or frame engaging clamp attached to the bicycle carrying arm. The tube or frame-engaging clamp may be rotated relative to the bicycle carrying arm to support the bicycle in any desired orientation.

Abstract: A device used to facilitate the making of the connection system of an optical fiber comprises: an upright that supports the gripping of the joining piece associated with holding the connectors in an immobile state with respect to the joining piece during the front polymerization of the connection system; this upright also supporting a fastening system used to hold the connector in an immobile state during the rear polymerization of the connection system and an adjuster capable of causing the pivoting and translation of the joining piece so that it surrounds the solder point located in the rear of the connector, held in an immobile state by the fastening system, to achieve the rear polymerization of the connection system. The device is very useful especially in the field of telecommunications by optical fibers.

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: A portable ski and snowboard tuning table comprised of a horizontal support bar. A pair of legs are hingedly secured to opposing ends of the horizontal support bar. A pair of stabilizers of slidably secured to the horizontal support bar. A pair of vices are slidably secured to the horizontal support bar inwardly of the pair of stabilizers.

Abstract: A system for fast, efficient assembly of mechanical component support infrastructures based on a set of interlocking rods and/or tubes and supporting blocks, each block supporting at least two rods/tubes in a precision configuration. The blocks and rods are formed in a particular relative size and shape to allow them to be assembled quickly and easily into a wide variety of configurations, all capable of providing a highly stable and precision infrastructure for supporting equipment in lab and bench setups.

Abstract: A rotatable apparatus for servicing or repair of snowmobiles. The apparatus includes a frame or rack, having a pair of generally parallel curved frame members which are located along a side of the snowmobile. Adjustable connecting bars connect the corresponding upper and lower ends of the curved frame members together. A base plate is secured to the lower end of the front frame member and is disposed to be positioned beneath a ski of the snowmobile. A pair of clamping screws are connected to a bracket attached to the front frame member and are adapted to clamp the ski against the base plate. An adjustable cushioned support member is connected to the front frame member above the base plate and is adapted to engage the suspension of the snowmobile, while a rear support member is connected to the rear frame member and is positioned to engage the running board and seat of the snowmobile. A flexible strap connects opposite sides of the snowmobile to the frame.

Abstract: A modular device for assembling, wiring harnesses, cables and the like includes a number of elongate elements, a number of cable guiding means, each of the cable guiding means being selectively positionable along different points along the length of one of the elongate elements, and a number of securement means for removably securing the elongate elements in a fixed relationship.

Abstract: A multiple-axis motion module for holding a tool and providing an apparatus for moving such a tool about multiple-axis. The multiple-axis motion module is used in combination with a vehicle transportation system for moving, positioning and manipulating vehicles and vehicle parts.

Abstract: A portable vise is disclosed including a beam along which a hydraulic cylinder assembly is positionable to adapt the vise to a wide range of work pieces. The hydraulic cylinder assembly includes a carrier slidably engaged with a beam flange and which is lockably engageable to the beam during a clamping operation. A lock or stop includes a pair of leg members insertable within a selected pair of beam defined apertures. The cylinder assembly includes a lever operated pump with a self-contained fluid reservoir. The beam is supported on a turntable in turn carried by a pedestal having a wheel equipped base. For clamping articles with curved surfaces, a pair of supplemental jaw plates are provided, each having an irregular clamping surface to assure positive engagement with a clamped article.

Abstract: A plurality of telescoping tube members, each arranged for inter-locking relative to one another, are provided to include a threaded support rod threadedly directed within an uppermost of the tubes to position a pipe during a welding procedure. A modification of the invention includes support head structure arranged for mounting to the tube to accommodate various configurations of pipes.

Abstract: A lamp shade soldering aid is used when soldering a stained glass lamp shade. The soldering aid includes a spindle, inserted through an arm, a base, a turn table, and a clamping member. A lamp shade to be soldered is inserted on the spindle and rests on the turntable, held by the clamping member. The turntable has a plurality of pivoting support members for use with the lamp shade when soldering the interior of the shade. The clamping member does not spin off of the spindle. When the lamp shade is turned, the turntable is also turned. The soldering aid provides for angular motion, such that any seam of the shade may be held in a horizontal position. The soldering aid also provides for rotating motion, such that the lamp shade may be rotated to a next seam.

Abstract: Disclosed is an automotive transmission utility stand which comprises a base, an upright stanchion connected to the base, and a bracket attached to the upper portion of the stanchion and which bracket having a means to be removably attached to the rear mount of a transmission. Further this invention can be equipped with an output shaft retainer which adjustably mounts on the stanchion and which is also horizontally adjustable outwardly over the base to match different transmission sizes. Even further, the invention can be equipped with means for tilting the stand to adjust the center of gravity.

Abstract: In a workpiece support, a servomotor, a right-angle speed reducer and a work gripping device are supported on a horizontal shaft which is rotatable on bearings in a frame to tilt the axis of rotation of the workpiece. The shaft is locked against rotation by a lever-operated screw, which exerts a lateral force on the shaft through a lock ring. The lock ring is held against rotation by a pin which is fixed to the frame and which extends into a hole in the lock ring along an axis parallel to the axis of the screw. Fixing the lock ring against rotation prevents unintended movement of the shaft caused by tightening of the lever-operated screw. The inner surface of the lock ring is provided with an axial extending V-shaped groove which engages a spacer ring fixed on the shaft along two lines of contact for secure locking of the shaft against rotation.

Abstract: A universal transmission work station (10) designed for use by a single person to mount and service any model or type of automatic transmission (50). Thus, the invention solves the problem of needing more than one work station to service the various models/types of transmissions used today. The work station (10) requires a minimum work space, is easily stowed when not in use and is easily dismantled for storage or shipment. The work station consists of eight common assemblies and a ninth assembly especially designed to service frontwheel drive transmissions. The design basically consists of a base assembly (12) to which is attached a lower and upper pivoting assembly (14) (16). After the transmission (50) is mounted to the work station, by means of a tail housing support assembly (18) and a bell-housing mounting plate assembly (20), the pivoting assemblies (14) (16) can be tilted to allow the transmission (50) to be serviced in a horizontal position.

Abstract: A fly tyer's vise which has a pair of spring members at one end so as to receive and clamp a fish hook and which can be separated by a cam operated lever wherein said jaws are mounted on a shaft received in an adaptor such that when the supporting shaft is in the horizontal position, the jaws and fish hook can be rotated 360.degree. about a horizontal axis so as to allow the fly to be adjusted to all angular positions. A set screw passes through the adapter and is received in a groove in the supporting shaft for the fish hook jaws and a generally spherical knob fits over an extending end of the support shaft.

Abstract: A small size vice constructed to hold small parts while being work processed on up to three sides with one clamping of the part being work processed. The small vice uses a rigid frame design applicable for being clamped in a larger bench vice, bench mount bracket or machine table clamp having rigidity not found in small vices. The small size vice has narrow jaws and very long movable jaw travel for it's jaw width and with the jaw travel perpendicular to the clamping surfaces of the jaws. The small size vice also has an underside rigid web reinforcing substantially the length of the vice to prevent the vice from bowing from vice jaw clamping force and to provide a web for being clamped in a larger bench vice (or other clamping device) with the smaller size holding small parts being worked on over to one side of the bench vice. The two sided shoulder at the top of the underside rigid web prevents vice slip down when the small vice is clamped in the jaws of a larger vice.

Abstract: A rotatable holder with position memory particularly useful for restoring a memorized orientation for a support rod for an article. The holder has a fixed part and a rotatable part rotatable on the fixed part. First gearing on the rear of the rotary part meshes with second gearing on the front of the fixed part when a securing bolt moves them together, preventing rotation of the rotary part. Lossening of the securing bolt frees the rotary part to rotate. The rotary part includes a rearwardly extending protrusion with its internally gear toothed. A memory ring disposed inside that protrusion and has peripheral gearing which meshes with the gearing in the protrusion, so that the memory ring rotates with the rotary part. The memory ring is biased by a spring rearwardly along the protrusion to disengage the memory ring from the gear toothing when the securing bolt is loosened, which would enable free adjustment of the rotary part with respect to the fixed part.

Abstract: A model airplane jig is disclosed which is particularly adapted to support a model gasoline engine airplane in substantially any position or orientation so that repairs can be made to the same. The jig includes a weighted base and a vertical post extending upwardly therefrom. A horizontal beam is pivotally connected to the top of the post through a ball joint and trunnion with the connection being radially offset from the axis of the post. Front and rear wheel clamps adjustably mounted adjacent the ends of the horizontal beam attach to the wheels of an airplane and secure the plane to the jig.

Abstract: An improved adjustable holder for a screed rail for mounting the rail above the ground so as to eliminate the need for concrete pads which are presently used to support such a screed rail on the ground. The holder includes an upright stake or post having a sleeve adjustably mounted on the post for movement along the post. A bar extends laterally from the sleeve and is coupled thereto by a pivot pin so that the angle of the bar relative to the ground can be adjusted. Once adjusted, the bar is fixedly held in place by a clamping structure including a curved, slotted arm pivotally mounted at one end thereof and coupled near the opposite end to the bar. Slidable members are on the bar for holding the side flanges of the screed rail in place on the bar at the proper positions. Thus, the holder of the present invention has three degrees of freedom, namely vertical movement of the sleeve, pivotal movement of the bar in a vertical plane, and linear movement of the flange holding members on the bar.

Abstract: An angle-adjustable workpiece seat includes a base having a bottom surface, a top surface having a concave primary supporting surface, a confining surface, a receiving groove and holes, a locking piece having a pressing surface and corresponding holes, threaded elements threaded through corresponding holes of the base and the locking piece for driving the locking piece to laterally translate in the receiving groove, and a sliding member having a top V-shaped positioning surface and a bottom sliding rail complementary to a sliding groove formed by said pressing, primary supporting and confining surfaces and having a primary sliding surface matching against and slidable on the primary supporting surface. The bottom surface can detachably attach thereunder two identical cylinders. The positioning surface can include two plane surfaces each of which detachably attaches thereto a pad piece.

Abstract: A X-Y table is disclosed having a table rotatably mounted on a base for movement in the X-Y and .theta. directions. The device includes fine adjustments in both X and Y directions and a quick shear mechanism with means for automatically returning the table to its original position after the quick shear procedure. The table may be used as a stand above unit or particularly for use in installing and removing components from printed circuit boards.

Abstract: A support head for a support rod which enables the angular orientation and the longitudinal position of the rod to be adjusted with respect to the support head. The support head includes a main body supported on a stand, an intermediate member and beyond the intermediate member a finishing member. The main body and intermediate member have facing annular ridged racks which when engaged prohibit relative rotation therebetween. A screw connection between the main body and the intermediate member is tightened to prohibit rotation and is loosened to permit it. The intermediate member and a finishing member beyond it have respective cooperating recesses which together define an opening through which the support rod is passed and is longitudinally movable. A second screw connection between the finishing member and the intermediate member is tightened to clamp the rod in the recesses and is loosened to permit the rod to be shifted longitudinally.

Abstract: A craftsman's tool for supporting jewelry includes an L-shaped frame pivotally coupled to a stationary support such as a work bench or the like, and a collar rotatably connected to the frame removably carries a housing which receives a shiftable member presenting movable clamping jaws for releasably holding an item of jewelry. A handrest fixed to the frame swings to an out-of-the-way position as the frame is pivoted relative to the support for improving access as may be needed to the jaws or the item of jewelry supported thereby. A third hand device for positioning an object on the item of jewelry supported by the jaws is fixedly connected to the frame so that the frame can be pivoted as necessary without disturbing the positional relationship between the object held by the third hand device and the jewelry item carried by the jaws.

Abstract: A vertical vise adaptable for floor mounting and having two spaced posts. One post carries a stationary work piece engaging jaw on its upper end and beneath the jaw, a vertically adjustable work piece support cradle assembly. The second post is hollow and shorter than the first post. A clamping head positioning arm is pivotally secured in the cavity of the second post so that its upper end is swingable toward and away from the first post. The second post carries a screw which projects thereinto for forcing the positioning arm toward the first post. The positioning arm projects above the second post and carries a clamping head assembly which includes a movable work piece engaging jaw mounted on a lever which is cam actuated. In use, a work piece is inserted between the posts with its bottom edge resting on the support cradle and its upper edge projecting above the clamping jaws.

Abstract: A jig for constructing pipe support brackets is disclosed, the brackets having a shank portion, an anchoring portion, and a pipe holding portion. The jig has a base member which receives the shank portion and first and second templates which receive the anchoring portions and pipe holding portions respectively, while they are being secured to the shank. The templates may be axially adjustable and pivotally mounted for constructing brackets of different sizes and for facilitating removal of the finished bracket from the jig.

Abstract: An apparatus having an elongate, first member, positionable along a first axis, and a second member, carried on the elongate member so that both members are movable with respect to each other along that axis, is provided for fixedly pre-positioning frames for doors, windows or the like. The first axis is parallel to an axis of the frame. The second member has a first claw which extends outwardly along a second axis orthogonal to the first, a second claw, and means for fastening together the second member and the elongate member along the first axis. A cantilevered, biasing member is provided and is connected to one end of the elongate member such that when one of the claws of the second member is engaged over the corner of a frame, the biasing member causes the apparatus, and therefore the frame, to be held in the desired position.