Abstract: Improved apparatus for threading a longitudinally divided partial hole in a machine component has a tap driving spindle selectively and reciprocally carried by a frame. On a base plate is a positioning means for holding the component in a predetermined relationship with the frame and locater means for accurately aligning the component with the tap driving spindle. A movable guide shoe that is operable in combination with the locater means opposes the partial hole to be threaded and forms temporarily an opposed partial hole that accurately guides the tap. Adjustment and retainer means are used for selective positioning of the guide shoe in relation to the tap guide hole.

Abstract: A lock collar for a drill bushing and a system for cooling a drill bit during a drilling operation are arranged so as to be incorporated into a single mechanism. The mechanism involves two assemblies, one being a locking liner embedded in a jig plate, and the other being a coolant directing assembly adapted to be mounted on a power-fed tool. There is coolant passage means in the coolant directing assembly which accepts coolant from an appropriate source and directs it through the first mentioned assembly to the cutting edge of the drill bit or other cutting tool while the cutting operation is taking place. By reverse rotation of the coolant directing assembly, that assembly can then be removed for subsequent engagement with another locking liner.

Abstract: A drill guide apparatus for use in drilling a central bore in a portion of a broken-off bolt remaining in a threaded bore. A clamp tube carries inwardly-directed setscrews for attaching the clamp tube to a stud or bolt located near the broken bolt. An arm extends adjustably through the clamp tube, and setscrews in the clamp tube hold the arm in a desired position relative to the clamp tube. A drill guide holder mountedon the arm includes setscrews which hold an appropriate drill guide tube in position to receive and guide a drill to bore the required hole in the remaining portion of the broken bolt.

Abstract: Quick change chuck systems with integral fluid inducer. A quick change drill bushing system reduces misalignment of bushing to motor spindles and enables rapid change of cutting tools and bushing thereby reducing the number of dedicated working systems. The quick change chuck system with integral fluid inducer may utilize a quick change nosepiece system in combination.

Abstract: Quick change chuck systems with integral fluid inducer. A quick change drill bushing system reduces misalignment of bushing to motor spindles and enables rapid change of cutting tools and bushing thereby reducing the number of dedicated working systems. The quick change chuck system with integral fluid inducer may utilize a quick change nosepiece system in combination.

Abstract: The assembly comprises in combination a fixing bushing (3) and a machining unit (6), the bushing being adapted to receive the nose of the machining unit which comprises the nose and a body. The bushing (3) comprises at its inlet mouth (9) inner guide means (13) and outer hooking means (14) and, internally, means (18, 19) for centering the machining unit (6). The unit comprises hooking elements (27) adapted to cooperate with the hooking means (14) of the bushing and slidable means (30) for locking the hooking elements (27).

Abstract: The fixture, in a first embodiment of the invention, comprises a flat base having a plurality of mounting holes formed therein, and a platform supported above the base, by a plurality of legs integral with both the base and platform. The base and platform are in parallel planes, and the platform has a guide bushing slidably engaged with an aperture formed in the platform. A lock screw, threaded into a tapped hole formed in the platform adjustably secures the bush in place. Plugs engageable with tubes in the tubesheet are passed into the mounting holes in the base to fix the base securely to the tubesheet, and the bushing receives therein a drill for drilling out a tube, in the tubesheet, which is directly aligned with the bushing. The bushing has an arcuate cut-out formed therein to accommodate the withdrawal of the bushing from the platform, without having to release the plugs, and its replacement by another bushing to facilitate reaming of the tubesheet.

Abstract: A two-part drill bushing assembly makes use of a sleeve, identified in the trade as a lock liner bushing which is embedded in a jig plate for reception of a separate slip renewable bushing element. Extending through the renewable bushing element is an axial bore within which a drill bit rotates during operation on a workpiece. On the exterior of the renewable bushing element is a helical shoulder which, when rotated, interlocks with a locking shoulder of the liner bushing. The invention involves a stiff wire rod, a mid-portion of which is bent to form the locking shoulder and from which legs extend to positions of snapped-on attachment to the liner bushing.

Abstract: A drill guide apparatus and method for its use is disclosed. The apparatus includes, in one embodiment, first and second vise jaws for clamping a workpiece. The vise jaws are adapted to receive a drill guide holder which includes first and second elongate members which properly position the drill guide itself. One end of each of the elongate members is attached to each of the vise jaws by pins which pass through the member and into a hole in the top of the vise jaw. The opposite ends of the elongate members are positioned above the space between the vise jaws and are hinged together by a ferrule which passes through the two members. A cylndrical drill guide which has a hole therethrough adapted in size to accept a particular size drill bit is fitted into the ferrule. The drill guide is thus located in a central position between the vise jaws above the workpiece which is clamped by the jaws.

Abstract: A turret coupling (13) for locking a tool (10) in a desired angular position relative to a workpiece (16), where the tool is locked onto the workpiece by a fixture (19) through a nose piece (12), is comprised of a sleeve (13a) notched on the rim. The sleeve is closely fitted over the lower end of the tool, or a nose adapter (25), and held by a retainer (13b) threaded into the tool or the adapter. A latch key (24) locks the tool to the sleeve. To reposition the tool relative to the nose piece, a shaft (28) is lifted by a lever (26) having a return spring (22) under a button (21).

Abstract: A tooling plate for a circuit board drill wherein the locating apertures for the circuit board is located in the plate by the drill. A bushing cavity is provided in the tooling plate at the approximate desired position. An inner bushing having the locating aperture is laterally moveable in the cavity and an alignment pin in the drill chuck is positioned over the inner bushing at the desired location. The inner bushing is laterally adjusted to enable insertion of the alignment pin in the aperture. While being held in the desired position, a lock ring forces a clamping washer against the inner bushing to lock that position of the inner bushing member within the cavity.

Abstract: Disclosed is a bushing (12) for guiding a rotating member such as a drill (10) into a workpiece (16). Scored in the interior wall of the bushing bore is a groove (18) in the form of a counterclockwise helix having size and slope characteristics that provide effective removal of the shavings or "chips" from the interior portion of the bushing bore as the drill cuts into the workpiece.

Abstract: A tap and drill guide consisting of arms extending outward from a center and having guide means positioned at the outer end of each arm for guiding taps and drills.

Abstract: 'A biopsy attachment for a probe having a transducer for producing a beam of ultrasonic energy includes a housing associated with the probe and a bushing having an axial aperture for receiving a biopsy needle. The housing has an aperture for attaching the bushing to the housing. The bushing and the housing are constructed and arranged so that by positioning the bushing in a first angular position relative to the housing, a lateral displacement of the bushing into the recess can take place until the bushing reaches an inserted position. Thereafter, rotation of the bushing in one direction from its first angular position to a second angular position causes the bushing to frictionally engage the housing retaining the bushing to the housing.

Abstract: In its preferred embodiment this jig is a rigid foam plastic casting specific to a particular type of workpiece. It enables accurate fastening of workpiece to external structure with flathead screws. Each such workpiece has a plurality of countersunk orifices of identical size and distribution pattern. Jig and workpiece are of general rectangular plan, the jig thick enough to allow for integral functional guide holes. Jig is fitted to workpiece and the associated two held against an external structure while pilot holes are drilled into the structure through the jig guide holes centered with respect to the workpiece orifices. Proper orientation of jig to workpiece is obtained and maintained by a plurality of truncated conical protuberances on the jig extending from one of its two major parallel surfaces. These protuberances are complementary in shape and distribution pattern to the countersunk orifices of the workpiece.

Abstract: A magnetically adhering template having a flat, rigid base and a flexible magnetized pad fixed to and substantially coextensive with the base. Template openings of desired shape and location are provided in the base. Corresponding openings are provided in the magnetized pad and are desirably slightly larger than those in the base so that portions of the pad adjacent the pad openings do not interfere with the use of the template openings of the base. The template is useable on a surface of magnetically attractive material, such as a steel wall stud.

Abstract: A nosepiece for a drill motor. The nosepiece is adjustable to allow the nosepiece length to be changed rapidly to compensate for different drill lengths. The nosepiece is threaded to mate with threads on the drill motor housing and can be adjusted longitudinally along the motor center line axis. When the nosepiece is threaded along the housing to a desired location it is locked in place by a locking ring keyed to the nosepiece and fixed in position on the drill motor housing by a hand adjustable set screw.

Abstract: Holes are cut in a metal workpiece by means of an annular cutter. The chips formed are broken and prevented from wrapping and accumulating around the cutter and its arbor by means of a chip breaker in the form of a lug or plate positioned generally radially to the cutter and extending into close proximity with the outer periphery of the cutter.

Abstract: The depth control assembly for attachment at one end to a machine tool and at the other end to a drill plate of a jig having selected guide holes positioned over points to be drilled in a production part. The depth control assembly is a spring-loaded adaptor which spaces the drill a constant distance from the production part, regardless of differences in distance between the face of the drill plate and the production part. Through the use of the depth control assembly, an operator can drill holes of a constant depth in the production part without taking separate measurements and making new depth adjustments at each hole location.

Abstract: A drilling jig is disclosed which not only permits the drilling of multiple holes on a flat surface or on the edges of a workpiece, but accessories are also disclosed which permit the drilling jig to be converted into a divider, a compass, inside and outside calibers, and a cutting guide for use with either a knife or a saber saw blade. The drilling jig consists of one or more elements having fixed drill guide bushings located along their lengths fastened together end to end. An element having a pair of drill guide bushings which are adjustable along the length of this element is also joined to the elements having fixed drill bushings so as to enable the jig to set any spacing along the length of the work. Adjustable guides are affixed to the sides of the drilling jig to enable its accurate placement on the edge of a workpiece. A device is also disclosed for fastening the elements together to enable their use as a rigid unit, while at the same time enabling them to be readily disconnected and stored.

Abstract: An apparatus for cutting away outer portions of the housing of a lock assembly in order to "pull" the lock assembly and gain entry into a safety deposit box or into an enclosure locked with a cam or similar lock, the invention allows entry into a locked enclosure with a minimum of damage to the lock. The apparatus comprises an annular guide member which fits about a safety deposit box lock or cam lock to position an annular cutting element relative to the lock so that a portion of the lock housing can be cut away to allow subsequent opening of the safety deposit box door. The annular cutting element extends through a central opening formed in the guide member and rotates within this opening, the depth of cut being controlled by a post member disposed internally of the cutting element.

Abstract: This invention relates to a tool to be used in connection with doweling jig(s) of my U.S. Pat. application Ser. No. 850,582 filed Nov. 11, 1977 now U.S. Pat. No. 4,145,160, to expand their utility. This tool provides support to hold the jig above and parallel to a flat surface such as a piece of lumber, plywood, particle board or the like for direct drilling of precisely positioned perpendicular dowel pin holes to mate with identically positioned holes drilled or to be drilled in an edge or end of another workpiece; said pieces forming a right angle when joined together with dowels. Another application of this tool, unrelated to doweling, is for drilling equally spaced aligned holes in a flat surface.

Abstract: An attachment kit is disclosed for converting a standard radial arm saw to a horizontal drill press. The kit includes a drill holder that attaches to the arbor of the radial arm saw's motor, a drill, a work support platform for holding a workpiece at a correct height and a work holder assembly for holding the workpiece to the upper surface of the work support platform.

Abstract: A boring jig is provided having at least one drill bit guidance hole and having two clamps for holding the work. Provision is made for passing the drill bit through the guidance hole in one direction to drill a first work piece held under one clamp, then consecutively to pass the drill through the same guidance hole in the opposite direction to drill a mirror-image hole in a second work piece held under the other clamp.

Abstract: A disposable drill bit guide for optically guiding a drill bit in a manner normal to a workpiece, and having, a sheet of relatively thin disposable material said sheet having a reflective surface for providing a reflective image of a drill bit, adhesive means on said sheet for adhesively fastening same on a workpiece with said reflective surface exposed to view, and visible guide lines on said sheet, said guide lines intersecting one another at right angles, whereby a drill bit may be centered on such intersection and its image viewed in said reflective surface, and checked with reference to said guide lines.

Abstract: Apparatus for cutting out the vent of a fowl having at least one cutting means, having a hollow cylindrical knife rotating about a center pin, being axially reciprocable relative to the knife and being provided with an onion-shaped knob at its lower end; a clamping sleeve being axially slidable mounted on the center pin with the rotating knife; the relative movements of the center pin, the clamping sleeve and the knife being controlled in such manner that the center pin and the sleeve are first moved together towards the fowl until the center pin, whch protrudes over some distance from the sleeve is inserted into the vent opening and the lower edge of the sleeve contacts the fowl's vent, after which the center pin is drawn into the sleeve, so that the vent is firmly clamped between them, the center pin and the sleeve then are withdrawn over a short distance while the rotating knife is moved towards the fowl and is withdrawn again after cutting out the vent and finally the pin is pushed out of the sleeve again

Abstract: A clamping and drill guide apparatus which is utilized by an operator to aid in manually drilling holes in work pieces which have an arcuate contour. The apparatus includes a first clamping member which has a multiplicity of openings axially passing through the first clamping member in a vertical direction. A second clamping member located in alignment with the first clamping member and below such includes a multiplicity of threaded through openings which axially pass in the vertical direction and are alignable with each of the through openings in the first clamping member. A pair of screw and nut members provide for clamping the first member to the second member when a work piece is inserted therebetween. Further, the apparatus provides a mechanism for axially aligning the work piece between the first member and the second member.

Abstract: A high velocity, low-friction boring bar for boring holes through any machineable material. The boring bar comprises a cylindrical shaft having a boring head thereon rotatably and slidably disposed within a bearing member. The bearing member is surrounded by a housing which supports the boring bar as it extends through a hole-locating member.

Abstract: A liner bushing for tooling plates or jigs having longitudinally extending grooves, or slots, on the inner surface thereof.