Abstract: A grinding machine includes a support and a board which is connected to the connection portion of the support. The board has a first opening and a second opening. A transportation device is connected across over the first and second openings. A grinding device has a driving portion and a grinding portion which is connected to the driving portion. The driving portion is connected to the support so that the grinding portion is located above the transportation device. An angle adjustment device is connected between the board and the transportation device so as to adjust inclination of the transportation device so as to grind a larger area of an object.

Abstract: A workpiece turning-over device includes a mounting wall, a gear driving mechanism, and a rotation mechanism. The gear driving mechanism comprises a toothed bar and a driving member. The driving member is able to drive the toothed bar to move. The rotation mechanism comprises a sleeve and a gear. The sleeve is rotatably attached to the mounting wall. A supporting portion extends from the sleeve to secure the workpiece thereon. The gear is fixedly coiled around the sleeve, engaged to the toothed bar, and is able to rotate to rotate the sleeve fixed thereto, thereby allowing the workpiece to rotate.

Abstract: A two-sided planer comprises a base, an adjusting base, and a floated pressing unit. Wherein, the floated pressing unit includes an axle shaft superimposed by several pressing rings. A spacing is defined between an inner surface of the pressing ring and the axle shaft. Plural elastic propping element are disposed within the spacing. Thereby, in the planing operation, the pressing rings adjust their positions upward or downward in accordance with a configuration of a workpiece. Whereby, the workpiece is restricted rather than warped. As a result, the workpiece does not resume warped after being planed smooth, which allows the two-sided planer to achieve a preferable planing operation.

Abstract: A woodworking machine includes a base, an adjusting device, and an adjustable worktable. The adjusting device is engaged with the base and includes a platform, a plurality of adjusters, and a plurality of fastening members. The platform is slidably engaged with the base. The plurality of adjusters are adjustable, and the plurality of fastening members are releasably inserted through the plurality of adjustors respectively. The adjustable worktable is engaged with the adjusting device. Moreover, the platform bears the adjustable worktable and the plurality of adjusters are abutted against the adjustable worktable. Additionally, the adjustable worktable is adjustably moved upon adjusting of the adjustors, and prior to adjusting each adjustor, the fastening member engaged therewith is removed.

Abstract: A planer and thicknesser comprising a frame having a passageway that substantially extends through the frame. The planer and thicknesser further comprises an upper table having front and rear sections mounted on the frame, wherein a slot is located between the front and rear sections of the upper table, and a lower table moveably mounted within the passageway. The planer and thicknesser also comprises a cutting drum rotatably mounted within the frame such that a portion of the cutting drum projects upwardly through the slot and a portion of the cutting drum projects downwardly into the passage way. The planer and thicknesser also comprises a cover mounted above the upper table capable of being moved from a first position where it covers a portion of the cutting drum to a second position where it does not cover a portion of the cutting drum.

Abstract: A machine for machining workpieces of wood and plastics has a rotatably driven spindle and at least one tool that is seated on the rotatably driven spindle and has a circular arrangement of knives. The tool has a tool body and the circular arrangement of knives is supported on the tool body. An inner table acting as a workpiece support is provided, wherein the circular arrangement of knives surrounds the inner table and wherein the inner table is a component of the tool. A machine table is provided on which the workpieces are fed to the at least one tool.

Abstract: A hand jointer comprises a plane means, a base assembly including two supports spaced from each other and at least one coupled member connected the supports to each other, with the plane means installed on the supports, at least one connected portion disposed on each support of the base assembly for coupling the base assembly to the plane means and a granite jointer table installed on the at least one coupled member.

Abstract: The automatic wood planer includes two front columns separately assembled at both sides of the input end of the feed table of the main body. The pin joint end of the rotary support is screwed at the preset location of the feed table. The swinging end of the rotary support is connected to the lifting seat, so that the cutter shaft is assembled between the pin joint end of the rotary support and the swinging end. The present invention saves more components and reduces the volume and fabrication costs with improved economic efficiency and applicability.

Abstract: A planer and thicknesser comprising a frame having a passageway that substantially extends through the frame. The planer and thicknesser further comprises an upper table having front and rear sections mounted on the frame, wherein a slot is located between the front and rear sections of the upper table, and a lower table moveably mounted within the passageway. The planer and thicknesser also comprises a cutting drum rotatably mounted within the frame such that a portion of the cutting drum projects upwardly through the slot and a portion of the cutting drum projects downwardly into the passage way. The planer and thicknesser also comprises a cover mounted above the upper table capable of being moved from a first position where it covers a portion of the cutting drum to a second position where it does not cover a portion of the cutting drum.

Abstract: A planer having a base, a first support member attached to the base and supporting a cutterhead for selective travel in a first direction toward the base and a second opposite direction, a top frame attached to the first support member and a depth stop mechanism attached to the top frame for selectively preventing travel of the cutterhead in the first direction beyond a pre-selected distance from the base. A depth measuring device including a retractable tape may be attached to the cutterhead. A workpiece level indicator plate movable between an engaged position and a disengaged position may be attached to the planer to indicate contact with a workpiece. A locking mechanism for locking a pivotable infeed table of a planer in the upright position for storage, and thereby switching off power to the planer is also disclosed. The planer may include a readily attachable and detachable dust removal assembly.

Abstract: A planer and thicknesser comprising a frame having a passageway that substantially extends through the frame. The planer and thicknesser further comprises an upper table having front and rear sections mounted on the frame, wherein a slot is located between the front and rear sections of the upper table, and a lower table moveably mounted within the passageway. The planer and thicknesser also comprises a cutting drum rotatably mounted within the frame such that a portion of the cutting drum projects upwardly through the slot and a portion of the cutting drum projects downwardly into the passage way. The planer and thicknesser also comprises a cover mounted above the upper table capable of being moved from a first position where it covers a portion of the cutting drum to a second position where it does not cover a portion of the cutting drum.

Abstract: A quick elevating and micro-adjusting device for the worktable of a manual planer includes a base, a stationary worktable, a movable worktable and an adjustment device. The adjustment device has its support shaft inserted in the fixing holes of two side plates of the movable worktable. The adjustment device has an elevating rod to be moved up or down for actuating the support shaft to quickly move the movable worktable upward or downward. A micro-adjusting rod has its worm engaged with the worm gear of a threaded shaft for rotating together to drive the threaded rod of the threaded shaft to rotate and move the holding frame of the threaded shaft, which is secured on the movable worktable. Thus, by turning the micro-adjusting rod, the movable worktable can be micro-adjusted in position. Thus the worktable can be adjusted quickly and precisely.

Abstract: An improved planing machine for performing an operation on the surface of wooden planks or boards is provided. The planing machine includes a base, at least two support columns disposed on the base, and a carriage assembly carrying a cutterhead. The carriage assembly may be mounted on the support columns. At least one of the base and the carriage assembly is movable vertically towards the other of the base and the carriage assembly. In an exemplary embodiment, the planing machine includes a depth stop adjustment mechanism which allows the operator to accurately select a minimum workpiece depth from one or more predetermined depths. In another exemplary embodiment. The planing machine includes a dust exhaust channel for removing dust and wood chips/shaving generated during the planing operation.

Abstract: A jointer system comprises a blade assembly, a base, an infeed table, and a measurement system. The base supports the blade assembly to define a reference plane. The infeed table defines an infeed plane. The measurement system comprises a stop member rigidly connected to the base, a gauge assembly, and a display assembly. The stop member defines a stop surface defining a stop plane. The gauge assembly comprising a gauge supported relative to the infeed table and a pin member in contact with the stop surface. The gauge assembly generates a measurement signal indicative of displacement of the gauge relative to one of the infeed table and the pin member. The display assembly generates a display image based on the measurement signal, where the display image displays data indicative of displacement of the infeed plane relative to the reference plane.

Abstract: An adjusting device for the conveying belt of a planer includes a fundamental plate assembled on the base of a planer. The fundamental plate has its rear end disposed with a rear roller unit connected with the base of the planer and composed of two adjusting plates and a rear roller. The two adjusting plates are respectively bored with longitudinal insert slots preset in number to enable the adjusting plates to be slidably assembled on the fundamental plate. Each adjusting plate has its front end extending outward vertically and forming a positioning wall pivotally fixed thereon with a positioning member and movably fastened on the base of the planer. The adjusting device for the conveying belt of this invention is simple in structure and easy to be assembled, lowering processing and assembling cost.

Abstract: A non-step speed changer for a plane shaft of a manual planer includes an adjust base and a speed-changing cam unit. A motor is fixed on the adjusting base, which can adjust the level of the spindle of the motor. The speed changing cam unit is pivotally connected on the spindle, and a transmitting belt is mounted around the speed changing cam unit and also around the plane shaft of a manual planer. The rotating radius of the transmitting belt around the speed changing cam unit is altered in accordance to lifting up and lowering down of the spindle, so the level of the spindle of the motor is altered, and the planing speed of the plane shaft is altered in the same way, able to enhance the quality of a work finished.

Abstract: An indicating device with large graduations for a plane is installed at a combining section of a main base and a worktable of the plane, including a graduation ruler, a pointer and a rack. The graduation ruler formed as an arc is provided with graduations with number figures for readings. The upper end portion of the pointer faces exactly to the graduation ruler for pointing to one of the graduations. The pointer has gear teeth in its lower round edge for engaging with gear teeth located on one side of the rack. Therefore, a displacement the worktable moves relative to the main base can be clearly and easily read from the graduations of the graduation ruler.

Abstract: An apparatus for a portable planer 12 having rails 14 with means for mounting to a single use stand 16, 18. The planer 12 has a pair of rails 14 with bolts 48 depending from the base thereof having threads with nuts 50 positioned on the distal ends whereby a stand 16, 18 having been constructed on site and leveled regardless of ground slope has means for receiving the threaded bolts 48 whereupon fasteners may be placed on the rail post distal ends whereby the rails form an integral part of the single use stand. The motorized planer 12 is mounted to a carriage 40 having wheels 42 for mounting on the rails 14 whereby the planer can be selectively moved from one rail end to the other. Positioned between the single use rail mounts are supports 26 for placing the work piece thereon for processing with the planer having means for receiving various blades 56, 58 and means for varying 62, 64 the height of the blade relative to the work piece.

Abstract: An extension structure includes a track, an extension table, and a sliding interface unit. Thus, the extension table can be moved on the track rapidly, easily and conveniently by the sliding guide motion of the sliding interface unit so as to extend the working length of the table of the table saw. In addition, the sliding interface unit has a cheaper price than that of the bearings, thereby decreasing the costs of fabrication of the extension structure. Further, the extension structure is assembled easily and conveniently, thereby facilitating a user mounting the extension structure.

Abstract: A locking device for a plane machine includes a handle, an actuating rod, two side bases, an urging block respectively provided at two sides of each side base. The actuating rod is urged by a spring to bias a bit to one side of a machine base of a plane machine when the locking device is in a normal not-locking positions with the handle being in a not-pushed position, and the machine base is not locked with four posts of the plane machine. When the handle is pressed inward to a locking position, the actuating rod is moved to force the two side bases move nearer the center of the machine base, forcing the four urging blocks to tightly pushing the four posts to lock the machine base at an adjusted position after the machine base is adjusted to a needed height by means of a rotating button and a threaded rod.

Abstract: A planer having a base, a first support member attached to the base and supporting a cutterhead for selective travel in a first direction toward the base and a second opposite direction, a top frame attached to the first support member and a depth stop mechanism attached to the top frame for selectively preventing travel of the cutterhead in the first direction beyond a pre-selected distance from the base. A depth measuring device including a retractable tape may be attached to the cutterhead. A workpiece level indicator plate movable between an engaged position and a disengaged position may be attached to the planer to indicate contact with a workpiece. A locking mechanism for locking a pivotable infeed table of a planer in the upright position for storage, and thereby switching off power to the planer is also disclosed. The planer may include a readily attachable and detachable dust removal assembly.

Abstract: A device for eliminating a gap of the threaded rod of a plane machine has four gap nuts respectively screwed with four threaded rods under the threaded rod bases of a planing table. Four springs are respectively fitted between the backlash nuts and the threaded rod bases. When the gap nuts are screwed upward, the springs are pressed to produce a pushing-up force to push against the threaded rod bases and the planing table, and the pushing-up force is greater than the total weight of the rod bases and the table. Thus, the threaded rod bases can be pushed by the springs to move upward and closely contact the threaded rods to eliminate a gap therebetween, stabilizing the table and the planning knife to perform planing precisely and elevate the quality of planing.

Abstract: A portable power planer for planing the top surface of a workpiece. The portable power planer includes a carriage assembly and a carriage elevation mechanism for translating the carriage assembly. The carriage elevation mechanism includes a plurality of threaded guide posts and an elevation mechanism that employs a plurality of threaded structures that are threadably engaged to the guide posts. A locking mechanism is also provided to inhibit movement of the carriage assembly along the guide posts.

Abstract: A portable power planer for planing the top surface of a workpiece. The portable power planer includes a base, which defines a reference surface, a cutting blade, which defines a cutting plane, and a setting mechanism may be employed to prevent a distance between the reference surface and the cutting plane from being adjusted to a dimension that is smaller than a height dimension that is selected from a group of predetermined dimensions. The setting mechanism includes first and second stop members, one being coupled to the base and the other being associated with the cutting blade. One of the stop members includes a plurality of differently dimensioned sectors or contact points that may be selectively positioned inline with the other stop member to inhibit movement of the cutting blade toward the base if the dimension therebetween is equal to a dimension associated with a given one of the contact points.

Abstract: A device for quick elevating and micro-adjusting a planing workbench includes a movable workbench pivotally assembled on a bottom base, an adjusting device pivotally connected with the bottom base by a connecting rod, an adjusting base provided with an elevating rod and a support shaft pivotally connected to a preset position of the movable workbench. When the elevating rod is activated to move up or down, the movable workbench will ascend or descend quickly by an interaction of the connecting rod. In case the elevating rod is rotated to activate the support shaft to turn around, the movable workbench is micro-adjusted to move up or down slightly. Then, a locking grip is provided at one end of the elevating rod for tightly locking the elevating rod, rendering it unmovable up or down any longer but merely capable to micro-adjust the movable workbench to ascend or descend slightly.

Abstract: A wood planing machine includes a main support, a work table movably seated on the main support, and a height adjusting unit. The main support has an inclined mounting wall extending inclinedly relative to the work table. A sliding member is slidably mounted on the mounting wall. A threaded part is mounted on the sliding member. A screw rod is mounted on the mounting wall and threadedly engages the threaded part for moving the threaded part together with the sliding member and the work table on the mounting wall upon rotation so as to adjust the height of the work table relative to the main support.

Abstract: A planing machine includes a support bed disposed within a machine body. A rod unit is mounted on the machine body, and is operably associated with the bed such that rotation of the rod unit results in movement of the bed within the machine body. A slide element is disposed slidably on the rod unit, and carries first and second bevel gears thereon. A toothed driving wheel is disposed adjacent to the slide element. The bevel gears are coupled to the rod unit for co-rotation therewith. The slide element is movable on the rod unit to a first position, where the first bevel gear meshes with and is driven by the driving wheel to permit the rod unit to rotate in a first direction, and to a second position, where the second bevel gear meshes with and is driven by the driving wheel to permit the rod unit to rotate in a second direction that is opposite to the first direction.

Abstract: A micro adjusting device for lifting and lowering the worktable of a planer includes a base, a movable worktable positioned at one side of the base and having two fix holes in two side plates, and a micro-adjusting device positioned at one side of a connect rod of a connect rod device. The micro-adjusting device has a fix shaft pivotally connected to an upper portion. The fix shaft passes through the two fix holes of the movable worktable, enabling the worktable move up and down on the inclined surface of the base by means of the micro-adjusting device.

Abstract: A planing machine includes a support bed disposed movably along two pairs of vertical slots which are formed through two side walls of a machine body. A-bed-raising rod unit is operably associated with the bed in such a manner that rotation of the rod unit results in movement of the bed within the machine body. Two horizontally spaced apart and interconnected locking rods extend through the bed and the slots in the side walls, and have left and right threaded ends of opposite thread directions. The threaded ends of the locking rods are exposed from the slots in the side walls. Left and right nut units are disposed outside of the machine body, are mounted threadedly on the threaded ends of the locking rods in such a manner that rotation of the locking rods result in axial movement of said left and right nut units toward or away from each other.

Abstract: A wood planing machine includes a machine housing with two upright side walls, and a cutter unit mounted between the side walls to extend in a transverse direction. A workpiece support bed is movably disposed in the machine housing between the side walls and below the cutter unit. The bed is movable uprightly relative to the cutter unit so as to define a workpiece passage therebetween. A holding seat is suspended in the machine housing below the bed and between the side walls. The holding seat includes a tubular body formed with an upright passage therethrough, and a radial pinion-mounting hole in communication with the passage. A height adjustment mechanism includes an upright coupling member secured to a bottom side of the bed, and a vertical rack that extends between upper and lower ends of the coupling member. The coupling member extends slidably through the passage of the holding seat.

Abstract: A wood planing machine includes left and right mounting frames fixed uprightly on left and right mounting sides of a bed body. Left and right pairs of lifting rods are upright disposed rotatably on the bed body, and have lower ends extending into the bed body and connected to each other by a transmission belt. A working table is disposed on the bed body, and has four lugs connected operably with the working table such that rotation of the lifting rods results in movement of the working table relative to the bed body. Feed-in and take-out shaftd are journalled between the left and right mounting frames above the working table. A tool mounting shaft is disposed between the feed-in and take-out shafts and is journalled between the mounting frames. A motor for driving the tool mounting shaft is disposed movably in the bed body so as to permit tension adjustment of a transmissin belt trailed over an output shaft of the motor and the tool mounting shaft.

Abstract: An adjustment mechanism for adjusting the position of a surface relative to a first element includes a first arm having first and second members. One of the first and second members is pivotally mounted to the first element about a first axis. The other of the first and second members is pivotally mounted to a second element, having the surface thereon, about a second axis. The first member includes a first bore therein, and at least a portion of the second member is received by and is slidably movable within the first bore. A locking mechanism selectively restrains sliding movement of the second member within the first bore to thereby adjust the length of the first arm and vary the position of the surface relative to the first element.

Abstract: A surface finishing apparatus for finishing the edge surfaces of fiberboards or like substrates. A pair of axially convergent drive wheels impart rotational and radial motion to a board and pushes the board against a foiling head or other surface finishing hardware. The foiling wheel is pushed by a pneumatic cylinder towards the board. An air clamp holds the board down against the drive wheels during operation. A speed indexer computer controls the rotation of the axially convergent drive wheels in inverse relationship to the rotational speed of the foiling head. In an alternative embodiment, a pair of angled hold-down wheels are used to hold the board against the drive wheels.

Abstract: In a wood planing machine, two pairs of spaced front and rear pillars extend upwardly from a bed at opposite end portions of the latter. Each of two upright threaded rods is mounted stationarily on a respective one of the opposite end portions of the bed between a respective one of the pairs of spaced front and rear pillars. An upper housing has opposite end portions through which the front and rear pillars extend slidably. Each of the opposite end portions of the upper housing has a transmission gear that is mounted rotatably thereon and that has a respective one of the threaded rods extending threadedly therethrough. The upper housing further has a horizontal coupling rod mounted rotatably thereon. The coupling rod is provided with a pair of driven members that engage the transmission gears on the upper housing. The wood planing machine is further provided with a locking unit to permit locking of the upper housing at a desired height relative to the bed.

Abstract: An adjustable worktable fence for a jointer/planer machine is disclosed. The jointer/planer machine includes an elongated worktable having a rotary cutter mounted in alignment with and positioned below a transverse slot in the elongated table. An adjustable worktable fence extends generally longitudinally along the elongated worktable in generally transverse relationship to the rotating cutter. The adjustable worktable fence is mounted to an adjustable fence bracket that includes adjustable knobs for independent slidable movement of the adjustable worktable fence in generally transverse relationship to the rotating cutter as well as independent pivotal movement for bevel adjustment of the adjustable worktable fence relative to the rotating cutter. The jointer/planer machine also includes a table elevating mechanism for accurate elevational adjustment of the worktable relative to a supporting base.

Abstract: A machine tool for machining a workpiece fed in a transporting direction through the machine tool has a support surface for the workpiece and at least one upper rotary tool positioned above the support surface. At least one lower rotary tool is positioned below the support surface. A supporting device for supporting the workpiece during machining with the at least one lower rotary tool has a pressing device with at least one first pressing member upstream of the lower rotary tool and at least one second pressing member downstream of the lower rotary tool. The supporting device further includes at least one abutment member positioned above the pressing device. The workpiece is pressed upwardly by the at least one first and second pressing members against the at least one abutment member during machining.

Abstract: A table with means for installation of an electric planer therein so that the planer cutting blades engage a workpiece placed upon the table. An adjustable guide fence is also provided with the table for guiding workpieces over the cutting blades of the planer.

Abstract: A table-top planer, comprising a hollow base frame having two opposed bevel surface portions at the top with the first of which provided for mounting a guide board seat and the second of which provided for guiding chips from the cut out of the base frame; a first guide board mounted on two opposite side boards raising from the second bevel surface portion at two opposite sides; a second guide board mounted on the guide board seat at the top and longitudinally aligned with the first guide board; a plane iron transversely set between the first and second guide boards. Vent holes are formed on the second bevel surface portion through which induced outside air blows chips from the cut out of the base frame. Depth of cut is adjusted by changing the elevation of the guide board seat.

Abstract: An apparatus for safeguarding an exposed portion of the cutting blade of a joint planer is disclosed. The safeguard apparatus covers the exposed portion of the cutting blade behind the guide surface of the joint planer. The safeguard is pivotally connected to the guide surface, allowing the angle of the safeguard relative to the table to remain constant while the angle of the guide surface relative to the table changes. This safeguard is auxiliary to a main safeguard on the opposite side of the guide surface.

Abstract: A guard stop is used with a power tool that includes a work surface, a tool head that projects at least partially through the work surface, a fence on a first side of the tool head and a safety guard pivotally supported on an opposite side of the tool head. The safety guard is biased to an initial position proximal the fence to cover the tool head. The guard stop includes a bracket plate fixedly secured to the power tool on the second side of the tool head. A stop member plate is mounted to the safety guard pivot and is pivotable with respect to both the bracket plate and the safety guard. The stop member plate is removably secured to the bracket by a bolt and threaded fastener. The bolt passes through an elongated slot in the bracket and can be secured at any desired positon along the slot. A portion of the stop plate is turned perpendicularly to that plate to form a stop portion which contacts the safety guard and prevents further rotation of the safety guard from the fence.

Abstract: The angle stop has a supporting table pivotally but securably mounted on a stationary table carrier. Means for maintaining the edge of the supporting table facing the working plane of the machine tool at a constant distance relative to the working plane in every angular position of the supporting table are provided. This means includes two opposing side parts rigidly attached to opposite sides of the supporting table each having two opposing through-going openings or slots(guideways) and guide elements connected with the table carrier extending through the through-going openings for securing the supporting table releasably in a particular angular position and for guiding its pivotal motion. This improves the secure contact of workpieces and reduces the risk of accident due to workpieces being drawn into the gap between the contact table and working plane of the machine tool.

Abstract: A joint planer has a chute for guiding chips resulting from a planing operation to a dust collector guide. The chute is attached to a vertically-movable table near its work surface and extends to the upper edge of the dust collector guide, which is below the planer cutting barrel. The lower end of the chute slides up and down against the edge of the dust collector guide with movement of the vertical table, thereby maintaining a closed path from the surface to the dust collector guide.

Abstract: A specially designed jointer is provided as an accessory attachment to a multipurpose power tool assembly described in U.S. Pat. No. 4,349,945. The jointer may be mounted on the same bench surface as the multipurpose power tool itself and a tubular coupler is used to join the power take-off shaft of the multipurpose power tool to the jointer's drive shaft such that the same drive motor used for the multipurpose power tool can also provide power to the jointer.

Abstract: A table for mounting a router in order to facilitate accuracy in a variety of routing operations. The table is supported on vertical screws extending from a mounting base. A manually operated chain and sprocket system threads the screws up and down in unison to raise and lower the table. The router is carried on a mounting plate which is hinged to the base frame so that its tilt angle is adjustable relative to the horizontal table surface. The ability of the router mounting plate to tilt allows the accurate cutting of dovetails and other joints in corners which are mitered at various angles.

Abstract: A planer of the type adapted to be mounted on and driven by a multipurpose woodworking tool includes a housing, a rotating blade member, and a table mounted beneath the blade member and vertically displaceable relative thereto by a plurality of jack screws. The jack screws carry connector nuts having outer members attached to the table which allow relative sideward movement between the table and screws to minimize table binding. A chain drive engages the jack screws and includes an idler sprocket which can be adjusted to allow adjustment of an individual jack screw to level the table. First and second roller assemblies upstream and downstream of the blade member are rotatably mounted on the housing and are vertically displaceable; the roller assemblies are driven by a single, fixed drive sprocket which is capable of rotating the rollers throughout a range of vertical displacement.

Abstract: An apparatus for securely positioning thin work pieces for accurate joining of edges using a standard woodworker's bench plane. The plane slides on its side surface on a lower platen surface, and the blade is guided in a very straight path for the cut by a vertical surface which contacts the portion of the sole of the plane lateral to the blade. Work pieces are secured against an upper platen surface by a clamping bar, which is attached by screws at its ends to the platen. Between the clamping bar and the work piece there is a clamping caul, which applies adjustable spaced clamping forces to the work piece by means of individual screws through the clamping bar.Attachable planing fence and miter gage accessories are also disclosed, which permit accurate repeat positioning for taper, cross-grain, and length cuts at selectable angles.

Abstract: The invention provides a planing device for planing two opposite sides of a workpiece which has a flexible and continuous lower platen cantilevered from its frame. The platen has its free end flexed upward by a pneumatically actuated lever, and cooling passages are provided on the end of the lower platen to dissipate heat due to friction between the lower platen and workpiece.

Abstract: A work bench embodying features for inverting the mounting of a relatively small woodworker jointer by 90 degrees from its customary position therefore changing it to a horizontally oriented device, provided with a vertical wall-like member for the mounting of the jointer on its inner side and a motor on its outer side. A work surface is provided which is sufficiently wide and long to facilitate precision edge planning of workpieces of like nature. The work surface is positioned at the bottom of said vertical wall, inwardly sufficiently to allow a clearance for mounting of the jointer without overlapping of the work surface. The work bench assembly also includes provisions for varying the angles of the work surface for bevel cutting on the edge of workpieces. This device also includes an improved safety feature evolving from the use of the jointer guidefence on the safety guard.

Abstract: A table support of die-cast and machined generally wedge-shaped configuration is suspended from the machine base by four screws and positioned by four leveling screws adjacent the suspension screws. The table support provides two parallel, spaced apart flat, inclined ramps or ways along which the in-feed table is moved by a height adjustment screw. The in-feed table is also of die-cast and machined generally wedge-shaped configuration and is held to the table support by a pair of extension coil springs having looped ends that are inserted into holes provided in the table and table support castings, respectively, so that the assembly is of generally rectangular block shape of variable height. In assembly, the springs are assembled in a relatively unstressed position and the table and table support moved relative one another by pushing the table up the ramps or ways on the table support to stretch and tension the springs to tighten the table and table support together.

Abstract: The combination of a rotary disc sander comprising a base and a motor-driven, vertically arranged sander disc mounted on the base, with a horizontally arranged tiltable work support table. The table assembly includes a table, pivotal table mounting means mounting opposite side margins of the table to the base, and table tilting screw means connected to the front margin of the table, thereby affording a three point suspension. A sander dust collection shroud encircles the disc and communicates through a baffled duct with a vacuum exhaust system for the sander dust.