Abstract: A magnetic base for an electric machine tool, in particular for a magnetic core drilling machine. A body that is accommodated in a receiving space. At least one first magnet coil constituting an electromagnet, a coil winding of the at least one first magnet coil being wound on a bobbin and a magnetic force of which is switchable between a maximum resultant holding force and a minimum resultant holding force. The coil winding of the magnet coil has two end sections that are each connected to a connecting cable that serves to make electrical contact between the magnetic coil and the electric machine tool. The body has a first side adapted to be coupled to the electric machine tool and has an opposite second side adapted to be placed on a workpiece that is to be processed. End sections of the coil winding are connected to the connecting cables.

Abstract: Apparatus for use with a tool assembly in operations of tightening or loosening threaded fasteners about an axis are disclosed, and in one example includes: a lower clamp assembly; an upper clamp assembly; a reaction adaptor assembly; and a spring assembly formed between the upper clamp assembly and the reaction adaptor assembly. Advantageously an operator can tighten or loosen all fasteners without having to change the initial setup of the apparatus. The lower clamp assembly eliminates the need for extra operators and heavy and bulky equipment to hold the apparatus near the fasteners. The upper clamp allows the operator to rotate the apparatus around with ease. The spring assembly stabilizes and eases vertical height adjustment of the apparatus. The reaction adaptor substantially negates reaction turning forces of the tool assembly during the operations. Drive knobs provide easy alignment of and quick and safe mounting of the tool assembly on the fasteners.

Abstract: A pipe machining apparatus according to an aspect includes a frame capable of being mounted onto a pipe, a tool carrier coupled to and movable relative to the frame, a tool support coupled to and movable with the tool carrier relative to the frame, and a laser line generator tool mounted on and movable with the tool support. The laser line generator tool is used to image a laser light onto the pipe to align with a mark(s) on the pipe which denotes a proper cut line around the pipe. The apparatus can be repositioned relative to the pipe in order to enable an operator to properly position the apparatus on the pipe prior to a cutting operation.

Abstract: A hand-held power tool guiding device and method is disclosed. The device includes a receptacle element for receiving the power tool, a remote control device for operating the power tool, and a transmission device for transmitting the movement of the remote control device to the power tool. The transmission device has a switch actuator and a connecting element, where the switch actuator is adjustable into a standby position during insertion of the power tool into the receptacle element.

Abstract: In order to improve a device for a drilling machine in such a way that manual drilling can be carried out with optimum conditions, it is proposed that the device include a workpiece jigging device, a guide device for the guidance of the machine when there is a displacement of the workpiece jigging device, and a control device for the control of the feed displacement of the workpiece jigging device and the machine. The control device has combinations of impact dampers and/or springs to achieve control over the feed displacement.

Abstract: In order to facilitate and make more ergonomic the drilling of a multitude of holes in workpieces, particularly in the assembly of large scale components, such as an aircraft body, the power drill is docked to a support by an attachment which engages and locks onto a guide bushing or bore in the support. The attachment assures that the drill bit is precisely axially aligned with a hole to be drilled. The feed advance is performed by a leveraged action controlled by the operator. The leverage can be provided, for example by a Bowden pull cable. The attachment reduces the exertion to be made by the operator, thereby avoiding ergonomically unsatisfactory work positions.

Abstract: A bushing and associated drill are provided that may be actuated either pneumatically or with a spring in order to be biased into contact with a structure, such as a multi-layer structure, to reduce gaps therewithin. The bushing includes a housing and a nose piece slidably disposed relative to the housing. The bushing also includes a gas inlet in communication with the internal cavity such that the nose piece may be pneumatically urged forwardly relative to the housing and into operable contact with the structure. The bushing may also include a mounting mechanism for releasably attaching the housing to a drill motor. The mounting mechanism permits the housing to be detached from the drill motor to access the internal cavity, thereby permitting a spring to be inserted that will bias the nose piece forwardly relative to the housing. Spring actuation may be an alternative or a supplement to pneumatic actuation.

Abstract: A drill guide has a base plate with a hole for positioning on or above a work piece. A carriage assembly secures the drill with the drill bit disposed over the base plate hole. The carriage assembly telescopes on guideposts with a spring biasing the carriage assembly away from the base plate. An alignment clamp has a compressible element to securely encompass drill chucks of various diameters.

Abstract: A tooling accessory for use with a slightly modified hand drill to produce accurate holes includes a base plate with a central opening having a vertical member arising at 90 degrees from the perimeter of the base plate. A body of a conventional hand drill is modified by attaching one or more protruding members. Once the protruding members engage the vertical member, then the hand drill may be moved towards the base plate in a controlled manner, thereby producing a perpendicular hole. Additionally, a stop may be provided in the vertical member to control the distance the modified hand drill moves towards the surface to be drilled, thereby controlling the depth of the hole. The tooling accessory may be used to produce accurate holes in a large wall-like surfaces, or alternatively may be used to drill a small workpiece.

Abstract: A power feed attachment that has a coupling structure to couple it to a hand held drill. A double-acting cylinder, which has a piston and a rod, and is fixedly coupled to the coupling structure. A two-position valve assembly is configured for directing a pressurized fluid to the double-acting cylinder. When the two-position valve assembly is in a first position is directs a fluid to a first side of the piston moving the piston to a first position. When the two-position valve assembly is in the second position it directs the pressurized fluid to a second side of the piston to move the piston to a second position. An arm is coupled to the piston. A control mechanism having a housing and a control rod, wherein the control rod is movable within the housing of the control mechanism between an extended position and a retracted position.

Abstract: The portable drill press has a rack bar with a brace attached at one end. A pinion slide assembly is slidably engaged with the rack bar such that the pinion is in rotational engagement with a rack. The pinion slide assembly may be retained on the rack bar by a bolt. The pinion may be attached to a pinion shaft that may be rotated by a rotation lever. A mounting bracket may be attached to the pinion slide assembly for attachment of a hand drill. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Abstract: A dowel hole and slot cutter comprise a motor having a base slidably mounted on a track and a cylindrical cutting bit mounted at one end of the motor and extending outwardly therefrom. A support includes a pair of arms with one arm extending upwardly from each side of the track and a cross-portion joining the arms and having an aperture extending therethrough for movement of the cylindrical cutting bit. A flat member having an aperture therethrough includes a track at its upper and lower end which engages the cross portion of the bracket for movement transverse to the cross portion. In operation, the cutter may be used to drill holes, dowel holes, or slots in a fast efficient manner. A polycarbonate member having a elongated slot for the cylindrical cutting bit is mounted between the flat member and a adjustable support member, which includes a perpendicular portion extending outwardly therefrom and two portions extending downwardly from the perpendicular portion therefrom.

Abstract: The portable drill press has a rack bar with a brace attached at one end. A pinion slide assembly is slidably engaged with the rack bar such that the pinion is in rotational engagement with a rack. The pinion slide assembly may be retained on the rack bar by a bolt. The pinion may be attached to a pinion shaft that may be rotated by a rotation lever. A mounting bracket may be attached to the pinion slide assembly for attachment of a hand drill. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Abstract: A power feed attachment that has a coupling structure to couple it to a hand held drill. A double-acting cylinder, which has a piston and a rod, and is fixedly coupled to the coupling structure. A two-position valve assembly is configured for directing a pressurized fluid to the double-acting cylinder. When the two-position valve assembly is in a first position is directs a fluid to a first side of the piston moving the piston to a first position. When the two-position valve assembly is in the second position it directs the pressurized fluid to a second side of the piston to move the piston to a second position. An arm is coupled to the piston. A control mechanism having a housing and a control rod, wherein the control rod is movable within the housing of the control mechanism between an extended position and a retracted position.

Abstract: An apparatus for cutting dovetail joints comprises one or more trapezoidal mortising chisels mountable on a drill press, each trapezoidal mortising chisel having a trapezoidal cross sectional shape with a particular slope or “pitch” on its non-parallel sides. The trapezoidal mortising chisels are used to cut sockets in the tail board of a dovetail joints, where the sockets have a trapezoidal shape with sloped sides. A given slope can be selected for the sides of the sockets by selecting a trapezoidal mortising chisel having the given slope. A washer is also provided which is mountable about the tilt axis of a tiltable work table of the drill press. The washer has a set of holes located at an angle about the washer on either side of a reference radius, where the angle correspond to the slopes of the non-parallel sides of the trapezoidal mortising chisels.

Abstract: A hand drill for rotating a cutter has a housing having a motor therein. The housing has a first end and a second end. A first planar surface of the housing extends between the first and second ends, the first planar surface being parallel to an axis of rotation of a chuck driven by the motor and extending from the first end of the housing. A second planar surface of the housing also extends between the first and second ends and is parallel to the axis. The first and second planar surfaces are spaced a first and second predetermined distance, respectively, from the axis, the second predetermined distance being different than the first predetermined distance. The first and second planar surfaces enable the hand drill to be used to drill precision holes without the use of a drill press.

Abstract: A precision multi-purpose machining apparatus for facilitating lathing, milling, drilling, sawing or routing operations typically using a rotary-type cutting tool. In a preferred embodiment the multi-purpose machining apparatus of this invention is characterized by an elongated support frame and a cutting tool mount cradle which is adjustably mounted on the support frame for receiving a cutting tool, such as an electric-powered DREMEL (trademark) rotary cutting tool. The support frame is capable of resting in a horizontal position, in which the cutting tool can be fitted with a cutting tool bit and the frame fitted with alternative workstock mounting attachments, to facilitate various lathing operations on a wooden or aluminum workstock. Alternatively, a saw table and saw blade can be removably mounted on the horizontal support frame and the cutting tool becomes a saw motor, the rotating shaft of which is connected to the saw blade by means of a drive belt, to facilitate various sawing operations.

Abstract: A portable electric railroad rail drill apparatus includes an elongated main shaft, a support frame, an electric drill, a clamp, a handle and a support leg. The support frame is reciprocally mounted to the main shaft for movement therealong between first and second ends of the main shaft. The electric drill is fixedly mounted to the support frame and reciprocally movable therewith along the main shaft. The clamp is mounted at a location adjacent to the first end of the main shaft for mounting the main shaft to a railroad track rail such that the electric drill is disposed adjacent to the rail and movable along the main shaft toward and away from the rail and is operable for drilling a hole through the rail concurrently with movement toward the rail.

Abstract: A tool support for mounting a working tool on a pipe comprises a base having inverted V-shaped saddle portions engaging the pipe and a clamping chain extending between opposite sides of the base for clamping the base on a pipe. A first end of the chain is mounted on one side of the base by a biasing spring arrangement which provides for limited displacement of the end in the direction of tensioning of the chain, and the free end of the chain is adapted to be releasably interengaged with an adjusting mechanism on the opposite side of the base and by which the chain is tensioned to clamp the base against a pipe. A pipe drilling tool is removably mounted on the base and includes a handle by which the tool can be carried and supported during mounting on and dismounting from the base and by which the base and tool can be carried as a unit.

Abstract: A woodworking station is provided, in which cutting heads and cutting bits, e.g. routers, small-bodied rotary tools, plunge routers, and others, are either permanently or interchangeably positioned with respect to a tiltable and rotatable cutting table, such that the operator's hands are free to manipulate the wood being worked. The cutting heads can be raised and lowered by hand controls, or by a foot-controlled electric motor. Self-contained blowers are also included, providing for continuous and simultaneous sawdust removal. Directional lighting is also provided which directs light primarily to the cutting table and away from the operator's face.

Abstract: An automatic boring device is provided that comprises a tool housing having attached to it two opposing handles with switches mounted thereon for selective engagement of pneumatic controls that activate a clamping device, rotation of a chuck of a pneumatic drill, and downward movement of the drill. The pneumatic drill is removable and the depth of the downward boring stroke is adjustable.

Abstract: An improved drill stand assembly for supporting a power drill in an elevated and inverted position and for advancing and retracting the drill towards and away from an overhead work surface without regard to angular displacement of the drill bit, the drill stand assembly including a measuring gauge and a measuring gauge locking device, an inner tubular column slidably located within an outer tubular column on which the drill is mounted, a lever pivotally connected at a pivot point to an outer column support collar, a linkage pivotally connected at its upper end to a pivot point on the lever and pivotally connected at its lower end to a pivot point attachment mechanism comprising a releasable locking clamp in cooperative relation with a locking compression collar that are slidably located on the inner column.

Abstract: Apparatus for mounting a drill on the pipe comprises a platform carrying a mounting member for a drill stand. The mounting may slide along a frame which carries a plurality of elongate holes therein. The longitudinal movement allowed by this relative sliding permits a drill mounted on a drill stand to be selectively positioned in order to bore a hole in a pipe upon which the platform is rigidly clamped. By provision of such a facility, there is no need to loosen the clamping force of the platform upon the pipe.

Abstract: Disclosed is a device for use in machining an interior surface of a tubular object which comprises a pair of rails that can be longitudinally instad through the interior section of the tubular object. Braces join the rail for fixing the rails to the tubular object. A platform is movably mounted on the rails to allow longitudinal movement of the platform. A machine tool can be mounted on the platform.

Abstract: An improved drill stand is provided which includes a stand column slidably connected to a bearer unit so that the position or height of the bearer unit with respect to the stand column may be adjusted. The bearer unit includes a gear segment which is biased toward the retracted position by a reset spring. The gear segment is meshed with a geared slide rod. The geared slide rod may be disposed parallel to or perpendicular to the stand column. The slide rod is connected to a machine receiving part. Rotation of the gear segment with respect to the bearer unit against the bias of the reset spring results in movement of the slide rod in the machine receiving part towards an extended position. The machine receiving part is also connected to a bit stop rail. The bit stop rail is connected to a bit stop. The position of the bit stop along the bit stop rail is also adjustable. Movement of the machine receiving part towards the extended position is limited by engagement of the bit stop with the bearer unit.

Abstract: A support apparatus for a hand guided drill tool, especially a drill tool having diamond cutting elements, is provided. The support apparatus includes a movable support arm having at its free end a stand off piece for receiving and guiding a drill bit relative to a surface to be drilled. The movable support arm is telescopically movably mounted to a base element which has a travel stop member for engaging the support arm to prevent further extension thereof beyond its fully extended position. A damping element comprised of two plate shaped elastomeric portions is mounted on the support arm to damp the engagement of the support arm by the travel stop member and thereby avoid undesirable damage and collision noises.

Abstract: A drilling device for drilling with diamond tools has a drilling head having a drilling head housing, a drilling shaft rotatably supported in the housing, the drilling shaft having a tool side and being provided with a receiving opening for a drilling tool and extending from the tool side, the drilling shaft being formed as a hollow shaft over a part of its axial length, a drive having a rotary spindle, coupling means for connecting the drilling shaft with the rotary spindle of the drive, the drilling shaft being provided with at least one radial interruption for connecting an interior of the drilling shaft with an interior of the drilling head housing, the drilling head housing having an opening for selective connection of a supply conduit for a cooling/lubricating medium and a suction conduit for drilled material, and a clamping element for releasably connecting the drilling head with a clamping neck of the drive.

Abstract: A hand held drill press (20) is shown for a drill motor (30) having a clamping collar (44) and a drill bit (26). The drill motor is mounted in a movable jaw (56) which is moved along a slide bar (52) toward a fixed jaw (54) by squeezing a trigger (58) against a handle (100) of the movable jaw. A work piece (24) placed between the fixed jaw and the drill bit is drilled as the trigger is squeezed.

Abstract: A drill having an elongated body including a fluted land and a shank. The fluted land includes a plurality of radial grooves of reduced material thickness formed therein to the depth of the flutes. The grooves define discrete segments of the drill. Each segment has a facet which has the relief of a drill tip so that when the exposed drill tip becomes dull, the segment can be broken off at the notch exposing a successive, sharp drill tip. The drill can have the cutting edges coated with an appropriate protective material such as TiN, titanium nitride, titanium carbide, titanium carbonitride or any other appropriate coating material to improve cutting and preserve the edge.

Abstract: A new portable tool guide for providing extra leverage when using a power drill. The inventive device includes a first positioning member slidably mounted to a second positioning member. The second positioning member is slidably mounted to a mounting member which is detachably mountable to a structure. A lever member includes a position portion pivotally coupled to the first positioning member. Pivotally coupled to the positioning portion is the mounting portion designed for mounting a portable power tool thereto. The lever member also includes a handle portion extending from the positioning portion to help maneuver the lever member while in use.

Abstract: A new Power Drill Leverage Tool Assembly for providing additional leverage force upon the power drill bit in engaging a material to be drilled or reamed. The inventive device includes a tool member having a first end, a second end, a casing engaging tool for engaging a power drill casing, and a casing hole engaging tool for engaging a power drill casing hole, a handle member attachable to the tool member at the first end, and a link chain attachable to the tool member second end and to the workpiece.

Abstract: An adjustable pole support with a mounting bracket for a drill. At the base of the pole are a swivel bracket and a pivoting foot lever. An electrical outlet is mounted on the pole and is controlled by a separate switch. Thus, the drill trigger can be locked down at the top of the pole and the drill can be operated by a remote switch. The pole is set in a location and the pole height is set just below the ceiling. A worker then presses down on the foot plate while activating the drill control switch. The drill moves upward, the hole is drilled and the drill is then withdrawn by releasing the foot lever. Once the pole height is set, the pole need not be adjusted again. The worker moves the unit to the next hole location, pushes on the electrical control switch, pushes on the foot lever, and the next hole is finished.

Abstract: A universal drill guide (10) comprising a base (12) being a frame-like configuration having a large central opening. A pair of elongated columns (14) are provided. A structure (16) is for pivotally mounting lower ends of the elongated columns (14) parallel to opposite sides of the base (12), so that the elongated columns (14) can go from upright positions to angled positions. A cross slide (18) rides upon the elongated columns (14). A bearing spindle assembly (20) is rotatively carried centrally within the cross slide (18). A guide chuck (22) is connected to the bearing spindle assembly (20) above the base (12). An adjustable cradle (24) is affixed to the cross slide (18) to hold an electric drill (26) in a stationary position, so that the drill chuck (28) can engage with the bearing spindle assembly (20) above the cross slide (18). A facility (30) is between the cross slide (18) and the elongated columns (14), for moving the cross slide (18) up and down on the elongated columns (14).

Abstract: A multi-method capable portable machining apparatus including a lever bar and fulcrum that allows user to place multiplied pressure on the rotating cutting tool while at the same time controlling the torque and other reactional forces introduced by the operation. Provision is also made, in the work anchored fulcrum embodiment, so the operator can safely control break thru of the cutting tool by utilizing the compressive capability of the fulcrum in combination with a safety stop on the fulcrum. The design includes provision to apply multiplied pressure to the cutting tool using a fulcrum in either compression or tension mode. The device is light, compact, easily adjustable and multi-versatile to allow user ingenuity in method of application of the device to the situation at hand. One embodiment includes provision that allows safe, controlled operation without physically attaching fulcrum to the work.

Abstract: An adaptor mounting a drill stand on an I-beam comprises a base plate which is clamped to a flange of the beam by clamping arrangements. A table of the drill stand is then bolted to cross-members slidably mounted on the base plate. In another arrangement, the pillar of the drill stand 11 is fitted in a collar housing which is slidably mounted on a base plate. In yet another arrangement, the pillar of the drill stand is mounted on the flange of an I-beam by opposed jaws which are slidable along the pillar and locked in position by screws.

Abstract: A drill stand for a hand-held drilling machine (30) has a length-variable support (2, 4), on which a clamping chuck (20) for the drilling machine (30) is mounted in a displaceable manner. A spring (50) presses the drilling machine (30) in the advancement direction. The drilling machine (30) is raised, via the spring (50), by means of an adjustable adjustment unit (40) on the support (2, 4), and the spring (50) is compressed in order to produce the advancement force.

Abstract: Method of direction control consisting in producing one or more parallel reference lines (7,8) that may be manipulated in such a way that their directions become parallel to the intended direction and with the help of plane mirrors making images (9,10) of the reference lines and images (12,13) of the object the straightening up of which is to be controlled. Implement for use at the method.

Abstract: A portable radial drill press including a base member that has a columnar support with a balance retention member. The columnar support has a first axial bore and a back side with a slit. Included is a traveling block has a rear support with a second axial bore and forked members. A columnar member is positioned within the first axial bore of the base member. The columnar member has a top end that passes into the second axial bore of the traveling block. The columnar member has a bottom portion secured within the first axial bore with a clamping bolt. A left hand feed screw is positioned within the columnar member and engaged by a feed nut screw. The feed nut screw is held about the feed screw by a first bolt and a flat screw. The first bolt passes between the fork members to engage the feed nut screw. The flat screw passes through the rear support to engage the feed nut screw. Lastly, a drill support arm with an elongated opening coupling the traveling block and large opening supporting a hand drill.

Abstract: A tool extender to bridge the space between a person and a portable tool to be remotely actuated by the person includes cradle means engageable with the tool and at least one guide rod attached to the cradle means and slidable within a bridge support. A strap is attached to the bridge support and is adjustable to engage a handle of the tool, whereby the strap and cradle means jointly support the tool. A mount, such as a shoulder mount, arm mount, elbow mount, or the like is attached to an elongated arm structure which extends to the bridge support. A trigger actuation mechanism includes a cord which extends from a grip element, along the elongated arm structure, to a hook engageable with a tool trigger. The trigger actuation mechanism is operable by manual squeezing of the grip element toward the mount and away from the hook. The guide rods, cord, and strap are adjustable for accommodating various sized tools. A handle is removably attached to the elongated arm structure.

Abstract: A tool reach extender is usable with a variety of different hand tools, and has grip handle portion fitting into a saddle member slidably adjustable on a guide structure at one end of the reach extender. The guide structure front end is connected to a cradle which has a clamp screw engageable against the undersurface of a tool body. The cradle has a U-shaped bridging bar to overlie the upper surface of the tool body so that the nose portion of the tool is clamped in the cradle. The saddle member and cradle cooperatively grip and support the tool. Various tool sizes are accommodated.

Abstract: An underfloor drilling jig comprises a fixed outer frame 28 and an inner frame which slides within. A standard electric drill 10 is clamped to this inner frame in a vertical position with an angled gear-box 11 attached below. An adjustable lever assembly 16, 18, 30 houses the lever 15 that can be removed via slot 17.The gear-box 11 is modified by a "blister" 12, which houses the pressure screw and housing 14.The lever 15 applies pressure to the drill bit 38 via gear-box 11.Steady-plate 36 holds the chuck 37 steady when drilling.Jaws 25 of clamp-plate 24 grip the flange of the rolled steel joist 26 when pressure is applied to the lever 15.Height adjusting screws 22 adjust the height to a horizontal position, but the front one is only necessary when drilling wooden joists.

Abstract: A drill support having a base, and a body secured to and supported by the base. A saddle member is movably disposed on the body and a drill is removably disposed or secured to the saddle member in order to move up and down therewith.

Abstract: A supporting apparatus for supporting a drill in an elevated position, the drill including a drill chuck having an axis of rotation, the drill being supported by the supporting apparatus such that the axis of rotation of the drill chuck is orientated substantially vertically, the supporting apparatus including an elongated column, an actuating lever pivotally connected to the column at a pivot point and extending outward from the pivot point in two diametrically opposed directions to thereby form two lever arms, an attachment mechanism formed on a first of the two lever arms for attaching the first lever arm to a portion of the drill, a manual grip portion formed on a second of the two lever arms, a guide link pivotally connected to both the column and to the drill adjacent the drill chuck, the pivotal connection of the guide link to the column being disposed vertically above the pivot point pivotally connecting the actuating lever to the column, and an extended plate member connected to an upper portion of t

Abstract: A guide mechanism and a portable drill are coupled together to define a portable, hand-operated drilling device. The drilling device includes a replaceable back-up fixture for engaging a first side of a workpiece and a drill support which adjustably and releasably engages a drill. The back-up fixture and drill support are mountable on opposing jaws of a manually operated tool of the type where the jaws may be closed by application of compressive force to a pair of handles.

Abstract: A drilling system for drilling upwardly under automobiles, and for drilling in a direction away from a drill base in other uses, having a base to which a post is attached. A drill carrier slides on the post. A collar is adjustable to anchoring positions along the post by means of a collar setscrew. A hand-lever pivoted to the drill carrier at one end has a mid-lever-fulcrum-axis at a pivotal attachment to the collar whereby a drill on the carrier moves away from the base when the post is vertical beneath an automobile and the other end of the lever is pulled downwardly in the direction of gravity-pull.

Abstract: An axially moveable portable tool, such as a drill, and a guide for the tool are disclosed. The guide has a base with a post and a handle attached to and extending from the base. The post and handle are positioned so that a projection of the time of force applied during use to the tool grip and to the handle, both fall substantially within the base footprint. The upper extremity of the post can be provided with attachments that form parallel guide means or with angular sections that form a external guide for standard size and shaped portable tools. The portable tools can be easily attached to the post to assume a specific angle with the base and can be easily removed from it for independent use.

Abstract: The invention is to an improvement for power tool presses of the type that clamp a portable tool, such as a drill, for use as the cutting means. A commonly used base, column, support bracket, rack and pinion and actuating handle are used. The press is provided with a pressure plate that is driven by the actuating handle to drive the cutting means. The power tool is securely and accurately positioned on a guide post or by parallel adjustable guide means. A single simple lock plate holds the power tool in position on the press or releases it for removal from the press. The tool is quickly removed from and quickly and accurately repositioned in alignment on the guide and easily clamped to it.

Abstract: A guide for an axially movable hand-held tool, such as a drill, is disclosed. The guide has a base that supports a pivot assembly including a post attachment with a guide post and an angle locator, used with an adjustment shaft for angle cuts. A "U" bracket adjustably supports the post attachment on the guide base. One end of the adjustment shaft is shaped to prevent rotation while permitting reciprocation of the shaft within the "U" bracket. A handle cooperates with the adjustment shaft to clamp the pivot assembly to the "U" bracket and guide base at selected angles and is used to position and control the guide during use. A spring biases the post attachment toward one leg of the "U" bracket for angle selection, location and retention.

Abstract: A self-guidable portable electric drill having as an integral appendage of the motor housing a V-grooved channel which is instrumental in guiding the drill on an axis perpendicular to the work surface when the trough of the V-groove is butted against, and slidably moved downwardly along the blade of the common try or combination square standing perpendicularly on the work surface.

Abstract: A feed mechanism, for use with a right angle drill, capable of feeding a drill bit into a workpiece at variable thrust and position. The feed mechanism, attached to the cutting end of the drill, utilizes the mechanical advantage of a threaded member to feed the drill bit into and out of the workpiece. The entire drill and feed mechanism is held stationery during operation by a holding means which is fixedly attached to the workpiece and in which the feed mechanism is locked.