Abstract: A linear motion bearing assembly and rail in which the bearing assembly includes two bearing bodies each having a pair of projections defining recirculating bearing races. The bearing assemblies are each secured to a movable member and to each other in an adjustable preload condition and provide one set of recirculating bearings of each assembly for supporting downward forces including the weight and the other to provide lateral and upward forces.

Abstract: A recirculating bearing assembly and method of making it in which the bearing assembly includes a bearing path-defining structure having two primary pieces, the first being an elongated "I" shaped member having an internal aperture extending through the elongated length and having integral end bearing returns formed as concave, inwardly facing rounded portions in each of the cross pieces terminating the elongated length and the second piece including flat upper and lower surfaces and fit within the aperture and having generally parallel upper and lower surfaces connected by rounded end portions. The second member defines the internal surface of each of two races for roller bearing elements.

Abstract: A plurality of longitudinally housed looped spring members (340) are pivotally supported by a wire (350) circumposed about a plurality of ratchet teeth (150) defining a contiguous succession of longitudinal peaks and valleys (154, 152) for interengagement, the spring members including a straight end portion (342) advanced around the peaks and valleys and a curved end portion (344) normally out of engagement with the ratchet teeth, the wire being supported in an annular groove (331) of a coupling nut (300) rotatably mounted to one shell (100) of an electrical connector assembly comprising a pair of shells (100, 200), the forward end face (222) of the second shell being drawn against the curved end portion (344) to drive the straight end portion (342) downwardly into the ratchet teeth when mating engagement has been achieved, the bias of the straight end portions (342) resisting rotation of the coupling nut.

Abstract: A fuel injection pump (100) including a plunger (2) and a piston (1) movably disposed in a pumping chamber (17), means for initiating (3, 5) fuel injection and means for terminating (13, 20, 29) fuel injection, the plunger periodically pressurizing fuel in a pressure chamber (44) and the piston (1) spaced from the plunger and allowing a metering chamber (16) to fill with a metered quantity of fuel to be injected to an engine. The means for initiating injection comprises a pilot valve (5) having a solenoid to selectively operate between either of two states and a control valve (3) movable between first and second positions in response to the state of pilot valve (5), the first position filling the metering chamber (16) with the metered quantity of fuel. The pilot valve (5) determines the fuel quantity to be delivered to the engine relative to a signal from an electronic controller. An accumulator (4) is pressurized during each cycle of the plunger (2) to provide pressurized fuel during a metering phase.

Abstract: A shielded electrical cable (5) is secured and grounded to a connector housing (60, 63) by placing a ferrule (50) around a portion of the cable (5), connecting the shields (10, 20) together and captivating the ferrule between two plates (71, 72) which are secured within the connecting housing (60, 63).

Abstract: This invention provides a circuit for automatically advancing the timing of an ignition system independent of engine speed. The invention is characterized by timing circuit (100) which initiates a timing change in reponse to a computer output signal (60) by operating a transistor (125) in its active region as a resistor.

Abstract: An electrical connector (60) is disclosed of the type to which a coaxial cable (22) having a braided conductor layer (26) is adapted to be clamped to establish electrical and mechanical connections, characterized by a simplified cable clamping means. The clamping means includes an outer contact-clamping body (72) formed with a clamping cone (112) integral with an outer contact portion (68). In preferred embodiments, the contact-clamping body (72) is engagable to be held against rotation by flats (94) formed on the outside diameter of an intermediate section (93) thereof, connector coupling sleeve (62) movable into mating engagement therewith, and to be retracted to allow the coupling sleeve (62) to be rotatable during coupling with a mating connector.

Abstract: An electrical connector having a plated plastic grounding insert (12) providing an electrical connection from a grounding electrode (18) to the connector shell (14) the ground insert (12) including integral spring fins (22) extending diposed about the periphery of the insert and extending from a rear face thereof compressibly received within a bore (26) in the connector shell (14). Grounding towers (30) are also formed integrally with the grounding insert (12), including a generally conical proturbance (30) extending from the front face of the insert with slots (32) providing resiliency for friction engagement of the grounding electrode (18). The grounding insert (12) and contacts (16) are supported by encapsulating material (36, 38) disposed on either side of the insert (12). The insert (12) is coated with a cnductive layer such as metallic silver to enable establishment of the electrical connections.

Abstract: A vibration resistant mounting bracket (10) that secures a power transformer (20,30) within the housing of an aircraft ignition system. The bracket (10) has a single source (11) that extends through the winding (30) and partially around the core (20) of the transformer and is characterized by a pair of downwardly facing surface portions (44, 45) and a pair of upwardly facing surface portions (52,53) which are located in parallel planes with each pair of surfaces being axially offset from each other.

Abstract: A two piece contact assembly characterized by a method of making the assembly by press fitting a stamped and formed inner sleeve (10) into a cold drawn tubular member (20) to provide an electrical contact having a seamless pin type contact area.

Abstract: A speed sensor (30) for an electromagnetic machine (31) such as a permanent magnet generator includes a magnetic core (44) mounted laterally outboard of the machine's stator teeth (36) and having at least one leg (48) adjacent openings (43) in slots (38) between the stator teeth (36) which extends into the alternating magnetic flux field (42) generated by the machine's rotor (34) in order to pick up a sample (42) of the rotor flux. A portion (50) of the core (44) has wrapped therearound an electrical coil (52) within which there is induced by the flux sample (42) an alternating electrical signal having a frequency proportional to the angular velocity of the rotor (34). The magnetic core (44) may consist of either one or more discrete U-shaped members (44) each having legs (46,48) immediately adjacent or extending into the slots (38) of the stator (32) or a continuous strip (44f,44g) of material extending circumferentially around the stator (32) and having a plurality of the legs (48).

Abstract: An EMI shielded connector assembly for a cable connector is formed of aluminum and has an aperture 44 therein to receive potting compound 46 to secure the wires 28 to the connector body. The braided inner cover 26 of the cable 24 is formed into a pig tail 34 and is secured in the back-shell 40 by the potting compound 46. Between the braided inner cover 26 and the braided outer cover 30 which is the braided shield, a ferrule member 60 is positioned on the cable and the outer cover 30 is braided over the ferrule member 60. Next the ferrule clamping member 62 is positioned over the ferrule member 60 in such a position that the groove 68 overrides the ring 66. The two ferrule member 60 and 62 are pressed together and form a strain relief means 38. The strain relief means 38 is welded 42 to the back-shell 40 and a rivet 48 plugs the potting aperture 44 in the back-shell 40 after which a rubberized boot 50 is formed over the enclosure.

Abstract: An electrical split sleeve socket contact (10) is disclosed including a plurality of tines (26) formed by slots (30) axially extending from the front of a contact sleeve (12) in which an increased contact pressure is achieved by an axially extending central rib (44) and inwardly crimped sides (46) of each of the contact tines (26) to provide three line contact of each tine with the pin contact (22) and increase the flexural rigidity of each of the tines (26) (FIG. 3).

Abstract: An electrical connector (10) having built-in rapid response solid state circuit protection devices (42) for the absorption of electromagnetic pulses and the like associated with the connector contacts (16) by grounding to the connector shell (22), the circuit protection devices (42) mounted between a ground plate (44) and an insert disc (52) which carries an electrical connection to the respective contact (16). In some embodiments leads (48, 50) of the device (42) are connected into the connector (10), while in the other embodiments the diodes (156) are directly mounted to the ground plate (150) and disc (152). All connections are soldered to minimize the inductance created by the connections to minimize the response time and accurately control the voltage level triggering the devices. (FIG.

Abstract: This invention provides a contact stop for an electrical connector of the type having front insertable contacts. The invention is characterized by a plate (40) of hard dielectric material located adjacent the rear face of a contact retaining insert (30). The plate (40) has a plurality of passages (41) each of which terminate at one end in a forwardly extending solid wall tubular tower (42) which has a forward end or a shoulder (43) which abuts against a rearwardly facing shoulder (23) on a contact (20) in the passage (31) of the insert (30) to limit rearward movement of the contact after it has been inserted into the insert (30).

Abstract: A method of crimping contact wires (24) into a holder (26) of a brush contact (24) in which a converging series of indentors (16) each having a Vee-shaped tip (72) are advanced into the holder by a cam sleeve (30) engaging cam surfaces (18) on each indentor, to form valley-shaped crimp recess (78) forcing the holder material between adjacent pairs of contact wires (24), which arrange themselves in a symmetrical pattern during the crimping. A series of flats (70) are also formed on the holder (26) end to tightly bundle the contact wires (24) projecting from the holder (26). The indentors (16) and holder (26) are mounted in a nest (14) during the crimping process.

Abstract: A through bulkhead electrical connector (10) is disclosed of the type having interfacial seals (30, 32) on either side of the connector precisely located axially for obtaining an effective interfacial seal. A standard glass bead (20) is fused to the connector shell (12) at one end thereof with carbon fixturing (44) enabling precise location after fusing. The opposite face is defined by a standard resinous insert (38) axially located by engagement with a shoulder (40) machined into the connector shell (12) with the intervening space (52) being filled with a cured mass of epoxy (42) to secure the resinous insert (38) in position.

Abstract: A process for recovering nickel from spent electroless nickel plating solutions by adjusting the pH of the solution to 10-10.5 with sodium hydroxide, adding ammonium hydroxide to obtain a pH of 11 of the solution, and heating the solution at 40.degree.-50.degree. C. while subjecting the solution to electrolysis to deposit nickel from the spent solution and separating the deposited nickel such that the spent solution may be safely discharged as effluent.

Abstract: An electrical connector assembly (10) consisting of a cover (12) and a base (14) adapted to be interfit and secured together, with the base (14) carrying groove contacts (64) and the cover (12) pin shaped sleeve contacts (68), each positioned within a groove contact (64) upon assembly of the cover (12) and (base) to create the electrical connections. The electrical connection from the lead (20) to the groove contact 64 is also established by sleeve contacts (58) assembled into the base to overlie one end of the groove contact (64). A compression pad (34) carried by the cover (12) exerts a spring force on the sleeves contacts (58) and (68) upon assembly.

Abstract: A distributor for an ignition system that includes a plurality of optical switches (20) and a rotating member (40) having two windows (41, 42) spaced 180 degrees apart so that each switch is activated twice for each revolution of the distributor shaft. The distributor requires only as many optically coupled switches (20) as there are cylinders.