Abstract: An improved articulated pin joint for a track chain used on track laying work machines is provided. The articulated pin joint includes a plug positioned in a central cavity of a track pin. The plug includes an axial passage in which a needle can be inserted to inject grease into the central cavity. The invention facilitates replenishing grease in the field without removing the track chain from the track laying work machine.

Abstract: A monobloc coupling is formed from a sheet and is adapted to be connected, on the one hand, to a torque transmitting device, and on the other hand, to a receiving device. This coupling includes three sections along an axis. A linking section for lining the coupling with the torque transmitting device is provided and includes a hub which is axially split and which is connected to the torque transmitting device by a fastening unit. An intermediate section is provided and is formed with two claws having longitudinal rims. The rims have complementary profiles which fit together and absorb the stresses on the coupling unit. An angle is formed between two claws 6 and 7 so that the rims fit one another. A linking section 3 for linking the coupling with the receiving device is provided and includes linking or fastening legs. The coupling is useful in the steering units of automotive vehicles.

Abstract: A connecting system for a toy building set comprises a first coupling part (11) and a second coupling part (12, 13), which are provided on their respective ones of a pair of building elements, adapted to be interconnected, and are formed with respective complementary coupling elements (11, 12, 13). The coupling parts in the connecting elements of the invention are adapted to interconnect the elements by elastic movement of at least one coupling part. This interconnection is flexible and may be fixed with a clamping device (16), which blocks the elastic movement.

Abstract: A device for draining an engine sump of the type having a threaded drain plug comprises a cup-like container having a flexible flange surrounding the open end thereof. The flange is provided with a gasket for forming a fluid tight seal between the sump and the container and with magnet means for adhering the container to the sump. A shaft carrying a socket on one end extends into the container and is sealably movable with respect thereto. Once the container is placed in position over a drain plug, the plug can be engaged and removed by manually turning a handle provided on the other end of the shaft. After removal of the plug, oil from the sump drains from a tube at the bottom of the container whereby contact with the oil by the service person is completely avoided.

Abstract: A mounting device for a fog lamp including a support mounted at an approximate position on a vehicle; rounded protrusions formed on the two sides of the support; a pair of rotating parts having rounded depressions engageable with the protrusions; and a pair of bolts swivelingly connecting the parts with the support; the above-mentioned rotating parts acting a bridges to affix the frame of the fog lamp.

Abstract: This invention pertains to an improvement in box joint tools and particularly for reducing play resulting from wear of the members forming the box joint. The box joint is formed in the usual manner. This improved joint is used when or where wear develops or may be utilized with new tools at the time of assembly. A first portion outer member of the box joint is machined to provide a counterbore and an enlarged bore in this member portion. A counterbore is also formed in the second outer member portion and extends to about one thirty second of an inch from a central jaw tongue portion. This counterbore provides a flexure portion with a smaller bore axially coincidental with the axis of the central portion. A pivot pin bushing has a threaded bore and is sized to be a press fit in the formed counterbore and enlarged bore of the first outer member. This bushing is mounted in the first outer member and the shank portion extends into the tongue portion of the central jaw.

Abstract: Continuous filament apex fittings and methods of manufacture thereof to provide high-strength, low-weight fittings for use on cargo lifts and the like, and as replacements for metal clevises. The fittings are made by wet-winding one or more strands of continuous filaments into a loop, forming the loop into a basic clevis-like shape and curing the resin. The use of a flexible resin allows spreading of the clevis eyes for entry and removal of the item to be retained by the clevis without a separate clevis pin. Twisting of the loop one or more times along the major length of the loop prior to bending in the basic clevis shape creates an integrated clevis body having better load distribution across the cross-section thereof. Alternate methods of manufacture are disclosed.

Abstract: A yoke-type pivot joint comprises a first member including a pair of parallel portions releasably fixed relative to each other and provided with holes which are axially aligned with each other and with a hole provided in a second member located between the parallel portions. A bushing is press fit into the hole of the second member and a pivot pin is received in the bushing and in the holes of the parallel portions. Received on the pin at opposite ends of the bushing are first and second pairs of opposed Belleville springs. One end of the pin is fixed to one of the parallel portions of the first member and a cap is fixed to the other parallel portion and is received on the other end of the pin. A cap screw extends through the cap into the pin and is operative for drawing the end of the pin against the cap and thereby effecting a predetermined compression of the springs at the ends of the bushing.

Abstract: A yoke-type pivot joint includes a first member having a pair of parallel portions provided with holes which are axially aligned with each other and with a hole provided in a second member located between the parallel portions. A bushing is press fit into the hole in the second member and a pin is received in the bushing and in the holes in the parallel portions. First and second pairs of opposed Belleville spring seals are respectively located between the pair of parallel portions and the opposite end of the bushing. The parallel portions contain respective slots extending from the holes therein and fasteners are provided to clamp the slots together to thus clamp the parallel portions on the pin at selected locations for positioning the parallel portions for effecting compression of the Belleville springs.

Abstract: A pivotal joint in which a first member having a wheel-shaped end is pivotally connected to a second member having a forked end enveloping the wheel-shaped end and including a primary pivot bolt arrangement extending through the first and second members at the center of the wheel-shaped end to pivotally join the parts, as the primary pivotal connection therebetween and wherein the forked end of the second member presents a circumferential array of three friction surfaces which will cooperate with the periphery of the wheel-shaped end of the first member to pivotally join the two parts as the secondary pivotal connection therebetween if the primary pivot connection fails.

Abstract: A plurality of arched rib supports is provided with each rib support being pivoted at the upper end or apex thereof so that the lower end portions may move towards one another. A flexible cover is secured to the rib supports and the lower ends are normally mounted upon a common locus so that the shelter can be opened in the form of a partial torus. When it is to be stored and/or transported, the rib supports are folded together to overlap one another, detached from the means pivoting same on a common locus and then the ends are moved towards one another so that they overlap with the gores of the flexible cover being between adjacent hoops. This reduces the overall size of the rib supports, and facilitates handling of the collapsed shelter.

Abstract: An improved mechanical cork puller wherein the pivot holes of the lever arms receive and pivot about one or more ribs formed on the inner surfaces of the opposed pairs of support ears, resulting in no visible sign of a pivot support on the outer surfaces of the support ears. The support ears have an inwardly diverging taper providing free meshing movement between the toothed sectors of the lever arms and the cork puller shaft. To manufacture, elongated rib members are initially die-cast on the inner surfaces of the support ears and thereafter cut away to the desired length to form the pivot support for the lever arms. As cast, the inner surfaces of the support ears diverge outwardly and thereafter the outer ends of the support ears are bent toward each other so that the inner surfaces thereof diverge inwardly. The lever arms are thereafter assembled by merely forcing fitting them into place between the support ears.

Abstract: A clevis shackle having a locking pin spring-loaded to span and normally close the shackle area of the clevis.

Abstract: An improved mechanical cork puller wherein the pivot holes of the lever arms receive and pivot about one or more ribs formed on the inner surfaces of the opposed pairs of support ears, resulting in no visible sign of a pivot support on the outer surfaces of the support ears. The support ears have an inwardly diverging taper providing free meshing movement between the toothed sectors of the lever arms and the cork puller shaft. To manufacture, elongated rib members are initially die-cast on the inner surfaces of the support ears and thereafter cut away to the desired length to form the pivot support for the lever arms. As cast, the inner surfaces of the support ears diverge outwardly and thereafter the outer ends of the support ears are bent toward each other so that the inner surfaces thereof diverge inwardly. The lever arms are thereafter assembled by merely force fitting them into place between the support ears.

Abstract: A method and apparatus are disclosed for attaching the top of a table tennis table to a tubular apron which supports the table top. The table top has planar upper, lower end and side surfaces. The tubular apron has a substantially planar upper wall for supportingly engaging the lower surface of the table top. The table top and tubular apron are attached to each other by a clip which is formed of steel having a thickness of approximately 0.050 inch. The clip comprises a right angled J-shaped portion, and a pronged leg extending from one end of the J-shaped portion at an acute angle of approximately 45.degree.. One end of the J-shaped portion frictionally engages the upper surface of the table top while the pronged leg bitingly engages an inner wall surface of the tubular apron to retain the clip in position, thus fixedly attaching the top to the apron.