Abstract: The complete sawhorse is the only product of its kind that offers a foundational table that enables users to cut any specific material that is needed regardless of its weight, size, or texture. This unprecedented product is uniquely designed with a saw line and level bar to allow for a more precise and accurate sawing process, to address commercial or DIY necessities.

Abstract: A bracket (20) includes: a pedestal (21, 22) that is mountable on a support frame (2) of a work stand (1) for supporting a saw (60); and first and second engaging parts (38A, 38B) arranged on the pedestal to sandwich the support frame in a horizontal direction and engage with first and second engagement parts (8A, 8B) on opposite sides of the support frame. The second engaging part includes first and second levers (41, 42). The pedestal is movable along the longitudinal direction of the support frame by manipulating only the first lever to disengage it from the second engagement part (8B) and is removable from the support frame by simultaneously manipulating both the first and second levers in the same direction to disengage them from the second engagement part. The first and second levers both move in the same opposite direction to engage the second engagement part.

Abstract: A scale assembly of a table saw includes a first positioning pin of white, a second positioning pin of black, and a third positioning pin of yellow disposed on the first slide strip of a slide mechanism; a first scale of white disposed on a top of the first slide strip; a second scale of black and a third scale of yellow disposed on a top of the first track respectively; a first pointer disposed on one end of the top of the first track and forwardly pointing to the first scale of white of the first slide strip; and a second pointer disposed on the other end of the top of the first slide strip and rearward pointing to both the second scale of black and the third scale. The scale is visible in a cutting operation.

Abstract: A table saw includes a base assembly, a saw assembly, which is supported by the base assembly and includes a saw, and a table assembly supported by the base assembly. The table assembly includes a rip fence, a table extension system, and a table top defining an opening through which the saw extends. The table extension system includes a first stage assembly supported by the table top and movable relative to the table top between a first stage retracted position and a first stage extended position, and a second stage assembly supported by the first stage assembly and movable relative to the first stage assembly between a second stage retracted position and a second stage extended position. The rip fence is supported by and movable relative to the second stage assembly.

Abstract: A clamp assembly (100), and a mounting assembly (150), that may be used for securing a device (160) (e.g. a solar panel, Roof Mounted Displays, Satellite Dishes, Conduit and Piping, Snow-Retention System, HVAC etc.) to a raised portion of a standing seam (103) of a metal roof, panel or tile (119) building surface. The clamp assembly (100) comprising a mounting body (101) of a general block shape having a slot (102) for receiving the standing seam (103) formed in a bottom surface (136) of the mounting body (101) and top surface (137) for securing thereon and attaching the device (160) thereto. The clamp assembly (100) is configured with one or more pins (105) that may be formed in a substantially elongated cylindrical shape.

Abstract: A table saw assembly includes a base portion with a base work piece support surface which defines a support plane and a saw blade opening. A saw blade is positionable to extend upwardly through the saw blade opening. A first extension includes a first extension work piece support surface which is pivotable with respect to the base portion between a first position coplanar with the base work piece support surface and a second position above the support plane. A second extension includes a second extension work piece support surface which is pivotable between a third position coplanar with the base work piece support surface and a fourth position above the support plane. The table saw assembly includes a handle located above the work piece support surface and accessible by a user when the first extension is in the second position and the second extension is in the fourth position.

Abstract: A self-jacking, mobile power tool stand has an extended or erect position and a collapsed position. The geometry of various components of the stand facilitates self-erection of the stand to the raised position and the jacking of a pair of wheels off the floor so as to minimize vibrations from the power tool during operations. Conversely, when in the closed position, the stand can be used to transport the power tool in the manner of a conventional two-wheeled handtruck.

Abstract: An improved portable work bench includes a structural body, and a platform disposed on and frictionally contacting the structural body. In addition, the platform includes an override mechanism for allowing horizontal movement of the platform along the structural body. Further, the portable work bench may include a plurality of legs for supporting the structural body. The structural body may be tubular and preferably has a trapezoidal cross-section. Such work bench can be used by disposing the platform on the structural body, so that the platform frictionally contacts the structural body. Then the user can mechanically override the static friction between the platform and the structural body and move the platform horizontally along the structural body.

Abstract: A worktable including an opening and an upper surface for supporting a workpiece; a supporting unit for supporting the worktable; a cutting mechanism mounted on a lower surface of the worktable and contained within the supporting unit including: a motor for outputting a rotation motion; a reciprocating rod driving a saw blade moving reciprocately through the opening; a motion conversion mechanism converting the rotation motion of the motor into a reciprocating motion of the reciprocating rod; and a saw blade clamp for clamping and releasing the saw blade; the saw blade clamp including an operating element which is disposed on the external surface of the worktable or the supporting unit.

Abstract: An extension table assembly for a power tool having a working surface for supporting a piece of material to be modified, and a working area where the power tool can modify a piece of material. The extension table assembly comprising a frame portion, at least one arm portion, a drive system, and a measurement system.

Abstract: A table tool includes a table which carries a power tool. The table includes table base and a table top. The table top includes a central table top portion fixed to the table base. The central table top portion of the table top includes a left perimeter, a right perimeter, and a rear perimeter. A first table top extension is configured to be selectively coupled to the table on the left perimeter, and the right perimeter of the central table top portion with the first table top extension slideable relative to the central table top portion. A second table top extension is configured to be selectively coupled to the left perimeter, the right perimeter, and the rear perimeter of the central table top portion with the second table top extension fixed relative to the central table top portion.

Abstract: A workpiece support assembly includes workpiece supporting roller assemblies each including a roller rotatably attached to an end of a swing arm. The roller assemblies are mounted to a frame forming a space between the rollers. A workpiece is positioned within the space and is supported in rolling contact by the rollers for rotation about its long axis. The space between the rollers is increased or decreased to support workpieces of various diameters by rotating the swing arms. The position of the rollers, and thus the distance therebetween are maintained or held by a swing arm lock that engages each swing arm and restrains the swing arms against rotation.

Abstract: Various example embodiments are disclosed. According to one example embodiment, a router table may include a table top, a mounting can, a sleeve, and an adjustment mechanism. The table top may have an aperture and a plurality of support members; the support members may be configured to support the table top. The mounting can may be attachable to the table top in a vicinity of the aperture. The sleeve may be engaged to the mounting can, and may be configured to receive a router and to position a router bit of the router along an axis extending through the aperture. The adjustment mechanism may be configured to move the sleeve within the mounting can and relative to the table top to thereby move the router along the axis and position the router bit at one of a plurality of positions relative to the table top.

Abstract: A cutting device (10) includes a sled (12) guided on a base (14) for reciprocating linear movement along a blade (20) that is supported on the base below the sled and includes an inclined working edge (28) projecting beyond the sled. The sled is manually movable while the blade is held stationary, so that a workpiece supported on the sled is conveyed against and along the working edge for cutting the workpiece. Mechanisms for adjusting the blade height, inclination angle, and bevel angle are also disclosed. Novel saw blades are also disclosed, and preferably include a blade extension extending from the working edge beyond the maximum travel of the sled. The blade extension may remain in the kerf at the end of a cutting stroke, preventing the blade from jamming against the workpiece upon a return stroke and may also provide an unobstructed means by which to gage blade angle relative to the sled.

Abstract: A retaining device for a stand includes a base, a shaft inserted in the base, a handle pivotally mounted on the shaft, and a retainer sleeved on a cam portion of the handle. When the handle is pivotally moved downwards, the retainer can be driven to move toward an extending rod of the stand by actuation of the cam portion of the handle for stopping against the extending rod of the stand and retaining the extending rod of the stand in position.

Abstract: A table saw is disclosed. The table saw includes a table top including an opening configured to receive a saw blade, a blade case positioned under the table top, the blade case including an interior portion with the saw blade partially positioned within the interior portion, the blade case configured to move relative to the table top, a motor coupled to the saw blade and configured to move relative to the table top, the saw motor configured to rotate the blade about a blade axis, and at least one moveable guard member positioned between the table top and the blade case, the at least one moveable guard member providing an obstruction to the interior portion of the blade case, and the at least one moveable guard member configured to pivot about a pivot axis when the motor is moved up or down or tilted relative to the table top, wherein the pivot axis is substantially perpendicular to the blade axis.

Abstract: A strapping machine having a movable working assembly includes comprises a machine body, a chute, and a movable working assembly. This machine body contains a storing space. The chute has an upper chute portion and a lower chute portion. The movable working assembly which is in the storing space includes a horizontal movable portion, a vertical movable portion, a working device, and an operation linkage mechanism. When the vertical movable portion moves to the move-down position, the lower chute portion is separated from the upper chute portion. Then, the movable working assembly can be moved out for easy maintenance. So, it is quick and easy to repair any internal device or part inside the strapping machine. The repairer does not need to stoop or squat down for repairing it. In addition, it saves strength and time to move out the working device or related part.

Abstract: Embodiments are disclosed for a power table saw assembly that comprises a frame configured to retain a motor assembly for driving a rotatable blade, a table top assembly having a top surface with an opening through which a rotating blade can extend provided on the frame, and a base for supporting the frame thereon. A foldable extension table is pivotally connected to an axle fixedly provided in the base, for supporting a workpiece. The extension table is configured to be folded and pivoted about the axle to be stored within the base when the extension table is not in use. In one embodiment, the axle is provided in the rear of the base and generally perpendicular to the blade, so that the extension table can support a workpiece from the table top downstream of the blade. In another embodiment, the axle is provides on one side of the base and generally parallel to the blade, so that the extension table can support a workpiece that extends beyond the table top to one side of the blade.

Abstract: A guide bar track extension method and apparatus. A machining table has a table surface terminating at a side thereof, the surface defining a table perimeter, and a slot for a guide bar. A guide bar extension mechanism is cooperatively adapted with the table for detachably mounting to the side of the table. The guide bar extension mechanism includes an adjustment mechanism providing for lateral adjustment of the guide bar extension mechanism relative to the axis. The adjustment mechanism includes two opposed guiding members adapted to contact the guide bar outside the table perimeter.

Abstract: A rip fence for a table saw including a front rail and a rear rail. The rip fence includes a front clamping mechanism having a locking tip positioned adjacent to the front rail, a pivotable activation plate and a handle. A rear clamping mechanism is positioned adjacent to the rear rail, and the activation plate is coupled to the rear clamping mechanism where the handle is movable between a release position and a locking position. The activation plate includes a rolling member movable between an upper end and a lower end of the activation plate, wherein when the handle is moved from the release position to the locking position, the rolling member moves from the upper end to the lower end of the activation plate, causing the activation plate to move the rear clamping mechanism into engagement with the rear rail.

Abstract: An improved portable work bench includes a beam, legs for supporting the beam, and at least one bracket having first and second surfaces for contacting respective first and second sides of the beam, wherein the second surface is movable between a first position contacting the second side of the beam, and a second position not contacting the second side of the beam. A spring biases the second surface towards the first position.

Abstract: An improved portable work bench includes a structural body, and a platform disposed on and frictionally contacting the structural body. In addition, the platform includes an override mechanism for allowing horizontal movement of the platform along the structural body. Further, the portable work bench may include a plurality of legs for supporting the structural body. The structural body may be tubular and preferably has a trapezoidal cross-section. Such work bench can be used by disposing the platform on the structural body, so that the platform frictionally contacts the structural body. Then the user can mechanically override the static friction between the platform and the structural body and move the platform horizontally along the structural body.

Abstract: An apparatus and method for both rotating a cylinder about its center axis and translating the cylinder linearly along the same axis. The invention is suitable for X-raying rockets and other cylindrical objects. Multi-axis movement is accomplished by two sets of rollers: rotational and translational. The translational roller set is held in a retracted and unengaged position while the cylinder rests on the rotational roller set. Movement about the axis of the rotational roller set is allowed. When the translational roller set is engaged with the cylinder, the cylinder is disengaged from the rotational roller set, and movement about the axis is not allowed, but linear movement is allowed. The action may be reversed and repeated. The rollers or the cylinder may be powered by motor or manual device.

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

Abstract: An adjustment unit is installed to a woodworking machine including a base member and an auxiliary platform and is provided between the base member and the auxiliary platform. The adjustment unit includes an adjustment element including an operated portion formed on an end thereof and an adjustment portion formed on another end thereof. A first connective element includes a longitudinal first connective portion coupled to the adjustment portion of the adjustment element and a second connective element coupled to the first connective element and driving the operated portion of the adjustment element to adjust a horizontal position of the auxiliary platform.

Abstract: A miter saw includes a base, a rotatable table, a saw arm, a driver, a saw blade, and two supporters. The rotatable table is pivotally mounted to the base and is rotatable relative to the base. The rotatable table includes a support surface configured to receive a workpiece thereon. The saw arm is coupled to the rotatable table and is pivotable downwards towards the support surface. The driver is mounted on the saw arm. The saw blade is mounted on the saw arm and is driven by the driver to cut the workpiece. The two supporters are respectively pivotally mounted to the rotatable table and are configured to support the workpiece thereon while in a supporting position, and to be pivoted to an unobtrusive stowed position when not in use.

Abstract: A guide bar assembly (10) for use in a T-slot (20) of a woodworking table (22). The assembly includes a top member (12) slidably disposed on a bottom member (14). The top and bottom members include cooperating pairs of wedge shapes (24) that cause a change in width (W) of the assembly in response to relative longitudinal (L) movement between the top and bottom members. Contacting angled side surfaces (30, 32) of the male and female wedge members (26, 28) provide area contact between the top and bottom members that functions to maintain the top and bottom members parallel during tightening of the fasteners (34) used to lock the assembly at a desired width.

Abstract: A novel multi-purpose portable and flexible work table is presented herein. The work table can be used to secure material or workpiece to perform, at different heights, such actions as cutting, welding, soldering, gluing, painting, mitering, and shaping. The work table contains detachable sub-components that permit placing material or workpiece at specific positions to ensure that better tolerances and finishes of workpieces are created.

Abstract: A tool support structure with an adjustable work support assembly comprises a base and a horizontal support provided on the top of the base. A work support assembly is provided on the horizontal support and is linearly slideable in a vertical direction in relation to the horizontal support. The work support assembly includes a first component and a second component. The first component is configured to be fixed in one of a plurality of first vertical positions with respect to the horizontal support. The second component is also provided on the horizontal support and is linearly slideable in a vertical direction in relation to the first component. The second component is configured to be fixed in one of a plurality of second vertical positions with respect to the first component.

Abstract: An adjustment unit installed to a woodworking machine, which includes a base member and an auxiliary platform, and provided between the base member and the auxiliary platform, the adjustment unit comprises an adjustment element including an operated portion formed on an end thereof and an adjustment portion formed on another end thereof; a first connective element including a longitudinal first connective portion coupled to the adjustment portion of the adjustment element; and a second connective element coupled to the first connective element and driving the operated portion of the adjustment element to adjust a horizontal position of the auxiliary platform.

Abstract: A workbench includes a wheel device secured to a work table, four floor engaging extremities attached to the work table, four rotary members rotatably attached to the work table and engaged with the floor engaging extremities respectively for adjusting the work table up and down relative to the floor engaging extremities, and a coupling device for coupling the rotary members together and for allowing the rotary members to be rotated relative to the floor engaging extremities simultaneously and thus for allowing the work table to be adjusted up and down relative to the floor engaging extremities simultaneously. A hand wheel may be coupled to the coupling device for operating the coupling device.

Abstract: An improved portable work bench includes a beam, legs for supporting the beam, and at least one bracket having first and second surfaces for contacting respective first and second sides of the beam, wherein the second surface is movable between a first position contacting the second side of the beam, and a second position not contacting the second side of the beam. A spring biases the second surface towards the first position.

Abstract: There is disclosed an apparatus that works a work piece that employs routers disposed on opposite upper and lower sides of a table. The routers operate on opposite sides of a work piece contemporaneously. The resultant work piece may be worked so as to be uniform and identical with previously and successively worked work pieces.

Abstract: A portable supporting frame for a cutting machine includes a leg frame, a tabletop frame, and a frame locker. The leg frame includes two opposing pairs of first and second supporting legs. The tabletop frame includes two table arms pivotally connected to the first crossed legs respectively. The frame locker is used for locking the top ends of the second crossed legs to the table arms respectively to retain the portable supporting frame at a set up position. When the frame locker is released, the tabletop frame is adapted to pivotally fold at 180° to overlap on the folded leg frame at a folded position.

Abstract: A work bench (10) including at least two work piece supports (57), the two supports are positioned at intervals along an elongate member (24) and define a substantially horizontal plane in which a work piece can move, a mounting (20) for a power tool (12), the mounting is affixed to the elongate member and can rotate about an axis that is substantially parallel to the length of the elongate member, a ground engaging member (106) which supports the power tool mounting at a point spaced away from the elongate member and adjustment means for adjusting the effective length of the ground engaging member.

Abstract: Embodiments are disclosed for a power table saw assembly that comprises a frame configured to retain a motor assembly for driving a rotatable blade, a table top assembly having a top surface with an opening through which a rotating blade can extend provided on the frame, and a base for supporting the frame thereon. A foldable extension table is pivotally connected to an axle fixedly provided in the base, for supporting a workpiece. The extension table is configured to be folded and pivoted about the axle to be stored within the base when the extension table is not in use. In one embodiment, the axle is provided in the rear of the base and generally perpendicular to the blade, so that the extension table can support a workpiece from the table top downstream of the blade. In another embodiment, the axle is provides on one side of the base and generally parallel to the blade, so that the extension table can support a workpiece that extends beyond the table top to one side of the blade.

Abstract: An improved portable work bench includes a structural body, and a platform disposed on and frictionally contacting the structural body. In addition, the platform includes an override mechanism for allowing horizontal movement of the platform along the structural body. Further, the portable work bench may include a plurality of legs for supporting the structural body. The structural body may be tubular and preferably has a trapezoidal cross-section. Such work bench can be used by disposing the platform on the structural body, so that the platform frictionally contacts the structural body. Then the user can mechanically override the static friction between the platform and the structural body and move the platform horizontally along the structural body.

Abstract: A supporting framework has at least one roller which is carried by a carrying frame. The roller has an axis positioned generally along the horizontal direction in the use position. An axial extension projects out of each opposite end of the roller. The carrying frame has a pair of opposite, generally vertically extending bearing limbs, each bearing limb having a bearing opening. Each axial extension of the roller extends into one of the bearing openings of the bearing limbs. Lateral guide elements are provided at the two opposite ends of the roller. Each lateral guide element has a radially projecting lug which can be moved between an active position and an inactive position. The lugs can prevent a workpiece from moving past the ends of the roller when the lugs are in the active positions.

Abstract: An elevating device for the worktable of a manual planer includes at least one base, one movable worktable and one elevating device. The elevating device comprises of a driving shaft, a driven shaft, a rotary base, a connecting rod base, a combining shaft and a spindle. When an operating member of the driving shaft is rotated, a driving gear of the driving shaft drives a first driven gear of the driven shaft to rotate, and a second driven gear of the driven shaft drives a third driven gear of the rotary base to rotate at the same time. Simultaneously, the rotary base is rotated to actuate the connecting rod base to operate, and the movable worktable positioned on the connecting rod base is moved upward or downward and is adjusted in its position.

Abstract: It is an object of the invention to provide a technique to improve usability of a workbench for a power tool. To achieve the object, a representative workbench for a power tool is provided with a table, first and second supports, a shaft, a handle body, a handle, a lock mechanism and a lock release member. The lock release member includes an elongated element disposed below the upper surface of the table and extending along the table toward the handle, and the lock of the table is released when the user pulls the elongated element in the longitudinal direction of the elongated element. According to the invention, the user can release the lock of the table simply by pulling the elongated element, so that ease of lock releasing operation is enhanced.

Abstract: A workbench assembly is provided including: a sawhorse, a mounting bracket, a planar member, and a power outlet. The sawhorse includes: a track, and a pair of support legs extending downwardly from the track. The mounting bracket is configured to releaseably couple to the track of the sawhorse. The planar member, having a primary plane, is coupled to the mounting bracket and configured to provide a tabletop when the mounting bracket is coupled to the track such that the primary plane tapers at a tapered end. The power outlet is coupled to the planar member.

Abstract: A work bench for a hand jointer, the work bench comprises a base assembly, two micro-adjusting assemblies installed to the base assembly and first and second granite jointer tables respectively disposed on the micro-adjusting assemblies, with the bottom of the first and second granite jointer tables respectively in contact with the top surface of micro-adjusting assemblies; wherein the horizontal positions of the first and second granite jointer tables relative to each other are adjustable via the micro-adjusting assemblies.

Abstract: A retractable workbench is provided that is mounted to a vertical surface such as a wall. The workbench is retractable between a horizontally oriented deployed position, and a vertically oriented retracted position. The workbench is vertically adjustable along wall mounts. Bench mounted tools may be mounted on rotatable panels, and the panels may be inverted when the workbench is retracted, thereby allowing the workbench to be fully rotated to the vertically oriented retracted position without removing the tools. Storage of tools and hardware may be achieved by a rotatable mounting surface that attaches to the workbench. Workbench legs that support the workbench when deployed are also retractable, and the legs may be adjusted for height and securely attached to the floor for additional stability.

Abstract: The subject invention provides a portable saw table assembly for cutting a material longitudinally, laterally, and at various angles thereto. The assembly includes a first and a second table rail being parallel and spaced from each other and each extending between a proximal end and a distal end. A saw rail is moveably supported by the first and the second table rails for moving longitudinally along the table rails between the proximal and the distal ends and a mounting plate is moveably supported by the saw rails to allow movement of the mounting plate laterally along the saw rail between the first table rail and the second table rail. A saw plate is rotateably supported by the mounting plate for carrying a saw to cut the material. A guide bar is disposed diagonally relative to the first and the second table rails and engages the saw plate to guide the saw plate diagonally in response to simultaneous movement of the saw rail longitudinally and the mounting plate laterally.

Abstract: A work bench for a power tool includes a beam for supporting the power tool, the beam having a first end, a second end, and a top surface extending between the first and second ends, and legs for supporting the beam over a surface. The work bench includes a first extension arm extendable from the first end of the beam, the first extension arm including a first main arm that telescopes within the first end of the beam, a first auxiliary arm that telescopes within the first main arm, and a first support leg that is pivotally connected with the auxiliary arm and that telescopes within the main arm. The work bench includes a second extension arm extendable from the second end of the beam, the second extension arm including a second main arm that telescopes within the second end of the beam, a second auxiliary arm that telescopes within the second main arm, and a second support leg that is connected with the second auxiliary arm and that telescopes within the second main arm.

Abstract: A collapsible infeed/outfeed table is provided with a pair of collapsible wings that are supported by struts slidably attached to the wings and pivotally attached to two pairs of elongated support legs. A pair of vertical stanchions provide a pivot point for the wings and lower ends thereof support a pair of sliding braces also connected to the extensible legs. A central roller is provided between the two wings that telescope between an extended and a retracted position. Extensible rollers are provided at free ends of the wings such that, when extended, the table may serve as a crosscut saw support stand. With the wings retracted and the central roller raised, the table may serve as an infeed/outfeed roller support for a separate saw, such as a crosscut saw or table saw. Finally, with all of the rollers retracted and the wings extended, the table is a work table.

Abstract: An improved cutting apparatus replaces the extension arm of a conventional compound miter saw and has a base member 100, a saw interface 110, brace assembly 200, base member slide assembly 300, and leg assembly 400.

Abstract: An improved portable work bench includes a structural body, and a platform disposed on the structural body. In addition, the platform includes a cam mechanism for locking the position of the platform along the structural body. Further, the portable work bench may include a plurality of legs for supporting the structural body. The structural body may be tubular and preferably has a square cross-section. Accordingly, the user need only place the platform in any position along the length of the structural body and move the cam mechanism to lock the platform in place. The cam mechanism may include a cam pivotally attached to the platform near the structural body, so that when the user rotates the cam, the cam contacts the structural body, locking the platform. A plate may be disposed between the cam and the structural body. The plate may have a hook portion, which contacts the bottom surface of the structural body.

Abstract: A worktable includes a base supporting a main table and an auxiliary table, two guide rods slidably supported on the auxiliary table, a sliding board slidably supported on the guide rods, a linking mechanism having a linking rod affixed to the bottom wall of the sliding board for carrying the guide rods to move with the sliding board when the sliding board is moved from a first direction to a second direction reversed to the first direction.

Abstract: A cutting workstation which includes a cutter mounted on an arm type configuration. The arm configuration is slidably moveable relative to a divided work piece support table, the cutter moveable between the divided table. The cutter arm contains a cutter drive assembly exhibiting clutch plates mounted on shafts supported by bearings and driven by gears which in turn are driven by a motor. A gear case with shafts, bearings and internal gears allow the direction of the drive train to be altered.