Abstract: A chuck assembly and collet for retaining a commercially-available large-diameter, high-torque end mill (or similar) tool against axial pullout and against radial (or rotational) movement with respect to the assembly. The tool includes two axially spaced flat surfaces along the shank, one of which is coupled to the collet to prevent axial pullout and the other of which is coupled to the chuck to prevent rotation with respect to the chuck. The coupling to the chuck is accomplished by a ballclamp screw which extends through an aperture in the collet to the flat surface on the tool. The ballclamp screw has a flattened ball that is pivotally mounted in the screw's engagement and the pivotal mounting accommodates a few degree misalignment between the shank's flat surface and the screw without significantly affecting the coupling therebetween.

Abstract: An apparatus for and method of grinding workpieces (e.g., universal joint crosses) in which the workpieces are automatically loaded, later indexed, and later unloaded from a rotary carrier (20) by an improved workpiece handling accessory (40). The workpiece handling accessory includes a rotating plate member (42) which has several spaced apertures (47, 48, 49) for receiving and retaining workpieces therein. A workpiece (33) is moved from a queue to a load station where the workpiece is transferred to the rotary carrier (20) for a grinding of the first two legs. A workpiece (22) on which the first two legs have been ground is removed from a pocket (22) of the carrier indexed (rotated) by 90.degree. by the plate member (20) and replaced in the same pocket (34) of the carrier (30) from which it had previously been removed so that the other two legs can be ground. A workpiece (35) on which all four legs have been ground is removed from the carrier and moved to a discharge chute (14) for completed parts.

Abstract: A tool holder (10) in which coolant fluid is delivered to a driven tool (115) through a piston (220) which extends through an axial passage in the tool holder (10) and its collet or chuck (170) and is held in contact with the tool (115) by pressure of the coolant fluid. The tool holder advantageously provides an axial float in which springs mount the tool (115) to the tool holder (10) and allow the collet to follow the lead of the tool. The coolant delivery system (200), although acting in an axial direction, does not interfere with the axial "float" of the tool and collet, as the fluid pressure is chosen to be great enough to provide a face seal and small enough not to destroy the float of the tool.

Abstract: An electrical conductor (10) having at forward end portion (F) of the conductor an integral electrical contact portion consisting of a plurality of fine, axially aligned wire strands (21), each wire having an acutely angled end surface (22) for mating with another electrical contact, said contact wires being an integral part of and continuous with the wires of said conductor in a rear portion (R). Preferably, the wires in the forward portion of the conductor are held radially together by a sleeve or holder which is inserted over the forward end, around the wires and crimped in place, separating the rear portion (R) of the conductor, which generally has insulation (30) around the conductor for a portion of its length from the forward contact portion.

Abstract: The chuck assembly and the collet for retaining an end mill tool against axial pullout. The collet includes a radially compressible body having a tapered outer surface, a central bore and a radial aperture extending from the outer surface into the central bore. The radial aperture has an undercut or larger diameter medial portion with a movable pin mounted therein, said pin being movably mounted and, adapted to extend into the bore to retain the tool. The pin has a hole drilled through with a spring bar mounted therein. The ends of the spring bar are compressed to a length smaller than the diameter of the radial aperture and inserted into the larger undercut portions where the expansion of the spring bar retains the pin. The hole in the pin is larger than the diameter of the spring bar to allow the pin to move along its axis (radially into the collet bar).

Abstract: An apparatus for and method of grinding workpieces (e.g., universal joint crosses) in which the workpieces are automatically loaded, later indexed, and later unloaded from a rotary carrier (20) by an improved workpiece handling accessory (40). The workpiece handling accessory includes a rotating plate member (42) which has several spaced apertures (47, 48, 49) for receiving and retaining workpieces therein. A workpiece (33) is moved from a queue to a load station where the workpiece is transferred to the rotary carrier (20) for a grinding of the first two legs. A workpiece (22) on which the first two legs have been ground is removed from a pocket (22) of the carrier index (rotated) by 90.degree. by the plate member (20) and replaced in the same pocket (34) of the carrier (30) from which it had previously been removed so that the other two legs can be ground. A workpiece (35) on which all four legs have been ground is removed from the carrier and moved to a discharge chute (14) for completed parts.

Abstract: A method of making a releasable electrical connector assembly having a brush-type contact including the steps of: positioning an elongated electrical conductor having an axial passage extending therethrough; sliding over the conductor an elongated body having a flanged end portion extending radially outwardly; inserting several straight wires of electrically conductive material into one end of the conductor; securing together the wires, the conductor and the elongated body, the wires forming a brush for releasably mating with a like bunch of wires; inserting an exposed electrically conducting end portion of a cable into the opposite end of the conductor and into engagement with the ends of the wires; securing the end portion of the cable and the conductor together, thereby establishing an electrical circuit relationship between the cable, the straight wires and the conductor and thereby providing the brush-type contact.

Abstract: A one piece insert (10) for retaining a plurality of electrical contacts (20) in an electrical connector. The insert (10) includes a plurality of bores or passageways (15) having integral with the insert means for retaining a contact within each of the insert passages. The integral means for retaining a contact (20) includes a plurality of radially deflectable contact retaining fingers (11) adjacent a plurality of ribs (16). Shoulders (17) on the ribs (16) and the free ends (12) of the retention fingers (11) engage forwardly and rearwardly facing shoulders (21, 22) on a contact, thereby captivating a portion (25) of the contact within the insert. The radially deflectable fingers (11) in the insert allow a contact to be inserted and removed from one end of an electrical connector.

Abstract: The chuck assembly and the collet for retaining an end mill tool against axial pullout. The collet includes a radially compressible body having a tapered outer surface, a central bore and a drilled radial aperture extending from the outer surface into the central bore. The radial aperture has an undercut or larger diameter medial portion with a movable pin mounted therein, said pin being movably mounted and, adapted to extend into the bore to retain the tool. The pin has a hole drilled through with a spring bar mounted therein. The ends of the spring bar are compressed to a length smaller than the diameter of the radial aperture and inserted into the larger undercut portions where the expansion of the spring bar retains the pin. The hole in the pin is larger than the diameter of the spring bar to allow the pin to move along its axis (radially into the collet bar).

Abstract: A chuck assembly and collet for retaining an end mill tool against axial pullout. The collet includes a radially compressible body having a tapered outer surface, a central bore and a radial aperture extending from the outer surface into the central bore. The radial aperture, which includes larger and smaller diameter portions, has a movable pin mounted therein and adapted to extend into the bore to retain the tool. The pin has an undercut portion, with a spring or snap ring mounted around the pin in the undercut portion, said spring having a free diameter slightly larger than the larger diameter to provide a pressure fit when mounted therein.

Abstract: An improved synchro including a pair of flats helically-coiled hairsprings (320,330) mounted between a rotatable rotor (100) and relatively fixed stator (200), said hairsprings being electrically conductive for carrying an electrical excitation between a rotor-mounted connector (310) and an external source coupled to terminal blocks (350,360) and for providing a mechanical linkage allowing limited relative rotation between the stator and rotor. The hairsprings are contained within a dielectric or insulating housing assembly (340) which is mounted to or carried on the stator and each is coupled to one of a pair of spaced electrical contacts (312,314) on the rotor-mounted connector. As such, the system provides an electrical interconnection between the contacts (312,314) and the terminal blocks (350,360) for rotor energization, while maintaining a rotatable mechanical connection between the stator (200) and rotor (100).

Abstract: An integral electrical contact (10, 110, 210) and a method for making the electrical contact is disclosed. The contact includes an elongated electrical conducting base portion (19, 119, 219) which has an axial passage (29, 129, 229) extending therethrough and also includes several axially aligned electrical wires (20, 120, 220) integrally formed with the base portion. The wires are axially aligned with the passage of the base portion and extend beyond a first end (18, 118, 218) of the base portion. Each of the wires which extends beyond the first end of the base portion includes an end portion (24, 124, 224) that terminates in an acutely angled surface. The electrical contact is made by coining an electrically conductive flat sheet of material (12) to form a plurality of elongated raised design portions (14, 16, 114, 116, 214, 216) which are axially aligned and extend inwardly from one end surface (13) of the sheet.

Abstract: A program controlled workpiece manipulator has a load cell supported between the manipulator clamp and the positioning elements which generate signals proportional to the various components of the forces exerted on the workholder by external instrumentalities. To generate a desired control program for the manipulator the outputs of the load cell and of the position transducers for the manipulator drive servos are used to generate command signals for the drive servos which urge motion of the clamp to reduce the externally imposed forces. The clamp is then manually grasped and urged toward the desired motion and the outputs of the position sensors are recorded during the motion to create a control program which may be replaced to control the manipulator to duplicate the motion.

Abstract: An improved electrical contact (10) for an electrical connector is disclosed. A first version of the contact comprises an elongated deep-drawn holder (11) having an axial holder passage (14) and an enlarged shoulder (12). The contact also includes a plurality of axially aligned electrical conducting fine wires (50) assembled together in a brush wire bundle. An elongated deep-drawn sleeve member (40) having an axial passage (46) extending therethrough is positioned over the holder to transform the first version into a second version of the contact. An intermediate flange (20) of the holder disposed rearward the shoulder is bent radially inwardly from the inner surface (22) of the holder passage to a position immediately adjacent the opposite inner surface (24) of the holder passage to provide an aperture (30) rearward the flange. The wire bundle, the sleeve and the holder are crimped together at a position forward the shoulder by four dies (64, 66, 68, 70) spaced apart in a circular arrangement.

Abstract: An electrical connector assembly (10) having an improved electrical contact (12) that includes an inner drawn holder (22) and an outer drawn sleeve (20) and a method of making the assembly (10) is disclosed. A bunch of electrical conducting fine wires (24) are axially aligned and crimped within an end portion (27) of a passage (25) which extends completely through the holder (22) such that the wires (24) extend beyond one end (26) of the holder (22). The opposite end (48) of the holder (22) is adapted to receive a wire (54) stripped of insulation (55) so that the end (56) of the wire (54) engages the opposite end (52) of the wires (24) in electric circuit relationship therebetween. The outer sleeve (20) also has an axially extending passage (21) extending completely therethrough.

Abstract: An electrical connector assembly in which the electrical connectors may be quickly and easily coupled and decoupled, with a mechanism for preventing accidental decoupling of the connectors as a result of vibration. The connector assembly includes first and second connectors, which are coupled by the provision of a coupling nut mounted on one connector and having an internal screw thread which is adapted to receive a screw thread on a second connector. The mechanism for preventing accidental decoupling includes a spring mounted to the coupling nut and having a plastic forward face for engaging ratchet teeth carried on the edge of the housing. The ratchet teeth are more steeply on the leading edge engaged during decoupling and more gradually angled on the leading edge during coupling, allowing for easy coupling and a greater resistance to decoupling.

Abstract: A measuring machine (100) having a movable horizontal arm (130) and a vertical column (120) for mounting a probe (140) with respect to a table (110), the arm and column each including means for measuring relative displacement of the arm. The measuring means for the arm or column includes a scale (200, 400) and a vernier (300, 500) (one fixed and one movable with the arm or column), wherein the scales for the horizontal arm and the vertical column are substantially identical and interchangeable and include reference numerals (220, 420) which are positioned at an incline (or acute angle) of approximately 45 degrees with respect to the length of the scales and the arm movement. Lead lines (230, 430) having a similarly angled or inclined portion extend from adjacent each reference numeral toward a measurement division indicator (measurement indicia) (210, 410).

Abstract: A chuck assembly and collet for retaining a commercially-available large-diameter, high-torque end mill (or similar) tool against axial pullout and against radial (or rotational) movement with respect to the assembly. The tool includes two axially spaced flat surfaces along the shank, one of which is coupled to the collet to prevent axial pullout and the other of which is coupled to the chuck to prevent rotation with respect to the chuck. The coupling to the chuck is accomplished by a ballclamp screw which extends through an aperture in the collet to the flat surface on the tool. The ballclamp screw has a flattened ball that is pivotally mounted in the screw's engagement and the pivotal mounting accommodates a few degrees misalignment between the shank's flat surface and the screw without significantly affecting the coupling therebetween.

Abstract: An improved insulation displacing electrical contact (14) and method of making the contact (14) is disclosed. The contact (14) comprises a holder (16), a retention sleeve (18) and brush wires (22). The holder includes a body portion (20) having an axial passage (24) extending therethrough and a head portion (28) connected to the body portion (20) by a curved interconnecting neck portion (30). The head portion (28) includes a pair of angled legs (38, 40) and an interconnecting bent portion (42). A slot (32) extends through the bent portion (42) and through the legs (38, 40). Each leg has a pair of opposing stripping surfaces (48, 50) for stripping insulation (13) from a wire cable (12) inserted through the slot (32) and each leg has a pair of opposing gripping surfaces (52, 54) for holding the stripped wire cable (12) in the slot (32).