Abstract: In a side-pull hoist ring having a load carrying ring, a clevis pivotally supporting the load carrying ring for rotation about a first axis and a post assembly extending through the clevis and fixedly engageable with a threaded bore on a load for allowing 360.degree. rotation of the clevis about a second axis generally perpendicular to the load. The post assembly includes a lower support bushing with a large diameter lower load bearing flange and a bolt receiving passageway coaxial with the second axis; a bolt extending through the passageway into the threaded bore of the load where the bolt has a head carrying an upper flange member coacting with the lower flange to capture the clevis and a shank. There is a first cylinder groove in the passageway and a second cylindrical groove around the shank. The grooves are axially aligned when the lower flange and the upper flange capture the clevis.

Abstract: A supporting bracket is provided so that the braking pad may be readily controlled by a single braking cable and the steering angle of the handlebar will not be limited. The supporting bracket of the invention is specially suitable for terrain and acrobatic exercise applications. The present invention overcomes the difficulty or shortcoming of the conventional supporting bracket. The inventive bracket features a simplified configuration that may be readily constructed and assembled. Furthermore, the cost may be lowered, thus having economic value.

Abstract: A hoist ring assembly for transporting loads, including an anchor bushing that is threaded into the load and forms the pivot for a releasable swivel hanger assembly with a shackle connectable to an overhead hoist. The swivel hanger is easily attachable to and detachable from the anchor bushing to expedite load movement. The hanger swivels on the anchor bushing in a side-pull or center pull action and has diametral retractable locking pins that enter the anchor bushing in the attached mode that when retracted permit the hanger to be rapidly removed from the anchor bushing.

Abstract: A hoist assembly having a swiveling head with a pivoting shackle. A lift swivel is captured by a housing and is rotatable relative to the housing. A shackle assembly including a hoist ring is fastened to the lift swivel. A lift bolt is threaded into the housing opposite the shackle assembly. The lift bolt includes an axially extending shaft for threading into a corresponding hole in a structure to be lifted. The end of the shaft in the hole is expandable to lock the shaft in the structure hole. A retainer such as a snap ring, or a jam ring and setscrews may be provided to securely lock the lift bolt to the housing. The lift bolt is threaded into the housing by a tool extending through the lift swivel or from the opposite end.

Abstract: An improved safety hoist ring assembly. Fewer and simpler parts are used in the assembly, as compared with the prior art safety hoist rings. It can be easily assembled and disassembled without the use of tools. The assembly includes a lift stud member, a bushing member, a retainer element, a U-bar member and a clevis pin element. The cylindrical bearing surface of the lift stud member is axially received in and retained within the central bore of the bushing member by the retainer element. The external diameter of the retainer element is less than the external diameter of the bushing member. The retainer element is thus sized to pass through any bore in an object to which the bushing member is to be attached. The external surface of the bushing member is provided with some mounting mechanism, such as a thread, which mounts the bushing to an object which is to be lifted.

Abstract: In the case of a connecting device having a connecting part (1) and a fastening part (3), the two abovementioned parts are connected to each other with the aid of a clamping spring (5) to form a non-releasable, preassembled unit. In order to ensure that the two parts are held together securely, the clamping spring partially encloses a pivot section (2) of the connecting part (1) and is supported, by way of the ends of two retaining legs (7, 8), against stops (9, 10) formed by the front sides of a groove (4).

Abstract: For lifting loads there is provided an eyebolt with an annular ring swivelly mounted on a stud so as to freely rotate in a horizontal plane through a full 360 degrees. A lifting loop has oppositely disposed pivot pins in swivel engagement with the annular ring to allow the loop to pivot in a vertical arc as well as to rotate about the stud. The stud in turn is adapted to be anchored in fixed position to the load, whatever the load may be. Circumferential grooves are cut in the solid pivot pins adjacent the ends thereof. The pivot pins are received in a diametric bore in the retention ring. Bores in the body of the retention ring are positioned to align with the circumferential grooves. Solid dowel elements inserted in these bores engage with the circumferential grooves and retain the pivot pins assembled with the retention ring.

Abstract: A joint structure for a control cable includes an annular cable-end member provided on an end of the control cable, a columnar sleeve arranged in the annular cable-end member and a pair of bushes of the same configuration. Each bush includes an annular part, a cylindrical part, a pair of claw parts and a pair of cradle parts. In this arrangement, the cylindrical part, which is made of elastic material, is inserted between the sleeve and the cable-end member, while a pair of claw parts are engaged with the cradle parts of the opposing bush. The sleeve is provided on the side face with a circumferential bead, interposed between leading ends of the opposing bushes. Even if any force is exerted between the cable-end member and the sleeve, no deformation is caused in the cylindrical parts because of its inelasticity, while the bead prevents relative displacement.

Abstract: An automotive lid lock device comprises a lock proper which includes a latch plate and a locking plate. The locking plate is pivotal between a locking position to lock the latch plate and an unlocking position to release the latch plate. The lid lock device further comprises a power unlocking mechanism for pivoting the locking plate to the unlocking position with an aid of an electric power. The power unlocking mechanism includes an electric motor; a worm connected to an output shaft of the motor to rotate therewith; a worm wheel operatively engaged with the worm and a release lever extending between the locking plate and the worm wheel to pivot the locking plate from the locking position to the unlocking position when the worm wheel is turned in a given direction. The release lever, the locking plate and the worm wheel are so arranged that when the worm wheel is turned in the given direction, the worm wheel pushes the release lever toward the locking plate.

Abstract: A universal hoist assembly for lifting large, heavy, structures. The assembly basically includes a housing which captures the base of a lift swivel while permitting free rotation of the base. An upright extension of the base extends out of the housing and has a transverse aperture through which a shackle is fastened. This arrangement permits the shackle to pivot and the extension to freely rotate, so that a lift can be conducted with structures of widely varying configurations without danger from sideloads on the lift assembly. Preferably, the base is either disk-shaped and housed in a corresponding recess for rotation in a plane or has a spherical exterior shape in a corresponding recess to permit rotation plus pivoting in any direction. The assembly may be fastened to a structure by a single central threaded bolt fastened to the housing and threaded into the structure or extending through a structure wall to a nut or by several spaced bolts.

Abstract: A protected swivel has first and second members connected in swiveling engagement and a sleeve overlaying and enclosing at least a portion of each of the first and second members. The sleeve is coupled in sealing engagement with the first member to swivel with the first member. A first seal is interposed between the sleeve and the second member for sealing engagement of the sleeve with the first member. A second seal extends between the first member and the second member. The second seal may include a barrier layer of a viscous material. A swivel bearing is interposed between the first and second swivel members, with the second seal extending between the bearing and the second swivel member.

Abstract: A hoist device for fixed engagement to a threaded bore on an outer surface of a load member is provided. The hoist device comprises a load engaging stud with a force supporting head, a cylindrical body portion with a lower annular bearing shoulder and a threaded shank depending from the annular shoulder of the body portion. A base member having a body portion with a central passage through the base member and allowing a free swivel engagement of the base member with the load engaging stud is provided. The central passage of the base member, having an upper recess for capturing the force supporting head and an upper annular shoulder for transmitting a force from the base member to the supporting head when the base member is pulled from the load member is also provided. A hoist ring is secured between the support member and the base member while allowing the base member to swivel around the stud. A slot in one of the members captures the hoist ring while allowing the hoist ring to pivot in the slot.

Abstract: A lamp head mounting assembly for securing a lamp head to a lamp support arm is disclosed in which a support boss having a base, at least one arcuate wall upstanding from the base, and an open top secured to the lamp head. A pivot bearing is mounted in the boss for rotation on a first axis generally perpendicular to the base, the pivot means having a spindle extending therefrom generally perpendicular to the first axis of rotation and defining a second axis of rotation. The spindle is pivotally mounted in the lamp support arm for rotation about the second axis. A top is provided on the boss and clamped to it to apply a first clamping force to the pivot means between the top and the base of the boss. An additionally manually adjustable clamping device is provided to apply additional force to the pivot means to resist pivotal movement thereof and hold the lamp head in a fixed position.

Abstract: A dental chair attachment for supporting an implement such as a light assembly, a hand piece delivery device or other device. The attachment is arranged for the pivotal movement of the implement about a supporting post. The attachment is arranged so that the periphery of the post is not in contact with the pivoting member of the implement. Upper and lower collar bases secured to the post support an inner sleeve that has an internal diameter larger than the diameter of the post. An outer sleeve which supports the pivoting member is rotatively mounted to the inner sleeve. The pivoting member including the outer sleeve, as it pivots, does not contact the periphery of the supporting post. Resilient rings of the upper and lower collar bases are forced radially inward against the periphery of the post to secure the attachment to the post.

Abstract: A rotation joint has two joint elements arranged for rotation with respect to each other about an axle, a cam ring arranged coaxial to the axle in a housing and having a curved track with a spatial curvature, a spring guide element arranged on the axle with springs disposed coaxial to the axle around the spring guide element, and bolts mounted radial to the axle and having bearings whose outer circumference lies in force-transmitting relation on the curved track. In order to make a rotation joint with weight compensation which guarantees sure functioning, and at the same time can be produced economically by a simple construction and a compact structure, the housing is essentially formed by the two joint elements. The spring guide element is rigidly connected with a first joint element, and the cam ring is arranged on the spring guide element and capable of axial motion, but the second joint element is locked against a movement in the direction of the axle, and the bolts are fixed in the second joint element.

Abstract: A stairs rail connector which is pre-manufactured as a semicircular turning rail, including two curved tubes with identical dimension. Each curved tube has an interconnecting end and a connecting end. The interconnecting end of one curved tube is disposed with a shaft seat therein, while the interconnecting end of the other curved tube is disposed with a shaft ring therein, whereby the interconnecting ends are rotatably connected with each other, permitting the curved tubes to be freely 360 degrees rotated relative to each other. After the curved tubes are rotated to a position corresponding to the turning angle between an upper and a lower rails, the connecting ends of the curved tubes are inserted into and secured in the openings of the upper and lower rails to connect the same at the turning angle.

Abstract: A hoist device designed to fixedly engage a threaded bore on the outer surface of a load number as a die. The hoist device includes a low engaging stud having a threaded shank depending from an annular shoulder of the body portion of the stud, a base member having a body portion which supports the low engaging stud and allows for a free swivel engagement of the base member with the stud when the stud is fixed to the load member, a hoist ring which is pivotly connected to the base member.

Abstract: A load limited connector that is calibrated to fail at a predetermined approximate tensile load. The connector includes a main body, within which a pin chamber is received, and a secondary body having a shaft that is releasably secured within the pin chamber. At least one breakaway pin, positioned in a pin passageway passing through the pin chamber and into the main body, secures the pin chamber within the main body. When the connector is subjected to tensile loading that exceeds the yielding point of the breakaway pin, failure of the pin occurs resulting in separation of the main body from the secondary body. A pair of torsion pins extend through the pin chamber into the main body to prevent rotation of the pin chamber relative to the main body.

Abstract: A stud mounted hoist assembly for lifting, moving, suspending, or loading material and equipment during construction comprises a ring assembly, a welding stud anchor, and a bushing having a chamfered inner cylindrical surface to accommodate weld flash when mounting the assembly to a load or overhead structure. The bushing and ring assembly provide pivot and swivel capability to the mount. One operator can quickly and securely install a temporary lifting point where and when needed without the assistance of support personnel.

Abstract: A clamp device 10 including both fixed 10" and moveable versions 10' attached to a portion of a ladder adjustment apparatus 110 for engaging the rungs 101 of a ladder 100. The device 10 comprises a lower generally C-shaped jaw member 20 having a recess 26 to receive an adapter member 50 to grasp the rung of the ladder 100. The lower jaw member 20 is pivotally connected to a portion of the ladder adjustment apparatus 110 to accommodate the angular orientation of the adjustment apparatus 110 relative to the rungs 101 of the ladder 110.

Abstract: A harsh environment swivel is disclosed. The swivel is of the type having first and second swivel heads located at opposite ends of a generally hollow swivel body. A swivel shaft is attached to the first swivel head and secured within the hollow body by a locking nut. The swivel shaft rotates about tapered roller bearings which transmit tensile loading from the swivel shaft to the hollow body. A plurality of progressively more restrictive seals restrict the passage of debris into the interior of the hollow body. A method of flushing debris from the interior of such a swivel is also disclosed.

Abstract: A motion transmitting remote control cable assembly (10) for transmitting motion in a curved path includes a core element (14) having a female section (16) defining an opening (18) and a male section (20) matingly engaged within the opening of the female section. A lock (22) mechanically interconnects the male and female sections (20,16) to prevent relative sliding movement between the male and female sections while allowing relative axial rotation. The lock (22) includes an abutment (24) disposed on the male section (20) for moving radially between a compressed position to allow the male section (20) to slide axially into the female section (16) and an extended position to interconnect with the female section and prevent further axial sliding between the male and female sections while allowing relative axial rotation therebetween.

Abstract: A harsh environment swivel is disclosed. The swivel is of the type having first and second swivel heads located at opposite ends of a generally hollow swivel body. A swivel shaft is attached to the first swivel head and secured within the hollow body by a locking nut. The swivel shaft rotates about tapered roller bearings which transmit tensile loading from the swivel shaft to the hollow body. A plurality of progressively more restrictive seals restrict the passage of debris into the interior of the hollow body. In a further embodiment, a swivel having independently rotating swivel heads at either end is disclosed. A method of flushing debris from the interior of a swivel is also disclosed.

Abstract: A self cleaning ball bearing swivel connector. The first swivel member is equipped with a seal engaging surface defined by a frusto-conical shoulder and a cylindrical neck. The end of the tubular body which contains the bearing assembly is adjacent to but spaced a distance from the shoulder and together with the shoulder and the neck defines a seal receiving space. A flanged seal is supported in the seal receiving space and the flange is adapted to serve as a one-way flap type valve, permitting debris inside the seal receiving space to be extruded by centrifugal force as the swivel connector rotates, yet preventing the entry of debris or surrounding liquids. The angled surface provided by the frusto-conical shoulder decreases the resistance to the centrifugal force propelling the debris out of the seal receiving space and, thus, facilitates the extrusion of debris.

Abstract: An improved clamp-type lamp holder which allows the lamp head to be vertically adjusted and all the directional and angle adjustments can be effectuated above the clamp seat.

Abstract: A spinning reel includes a spool mounted on a spool shaft. An engaging mechanism is disposed in a rear end region of the spool for interconnecting the spool and spool shaft to allow torque transmission therebetween, and limiting rearward movement of the spool. A stopper is disposed in a front end region of the spool for limiting forward movement of the spool. The engaging mechanism includes an engaging piece formed on the spool shaft, and an engaging portion for contacting the engaging piece to prevent the spool from rotating relative to the spool shaft. An elastic retainer is provided for preventing relative rotation or relative axial movement between the spool and spool shaft when the engaging mechanism is in operation.

Abstract: A swing arm is disclosed including a bottom curved tube, which has a first fitting with an inward bottom staking step and a second fitting with an inside chamber respectively at two opposite ends, a top straight tube, which has a first fitting with an inward bottom staking step and a second fitting with an external stop knob respectively formed at two opposite ends, and a connecting device to connect the first fitting of the top straight tube to the first fitting of the bottom curved tube through a hollow T-shaped rivet joint for permitting the top straight tube to be turned on the bottom curved tube for engaging the external stop knob of the second fitting of the top straight tube into or disconnecting it from the chamber of the second fitting of the bottom curved tube, a first washer retained between one head of the hollow rivet and one bottom staking step, a second washer retained between the other head of the hollow rivet and the other bottom staking step, and two friction washers retained between the sta

Abstract: The preferred embodiment of this disclosure is directed to an antenna connector for a cellular telephone, where such antenna may be rotated from a first position to a second position, such as "use" and "rest" positions, where the preferred rotation extent is about 90.degree.. The connector comprises a fixed support member and a circular housing member mounted therein for rotative movement between such first and second positions. The fixed support member is defined by first and second major faces having a circular opening extending therebetween for receiving the circular housing member, and at least one arcuate recess along the first major face adjacent said opening, where the length thereof extends between the first and second positions. The circular housing member includes a reduced diameter portion extending from one end thereof to an annular shoulder, where the reduced diameter portion is received within the circular opening up to the shoulder.

Abstract: A swivel coupling device for coupling a load to a base member. The device includes an anchor unit securely connected to the base member, a rotary member, which is rotatably journaled in the anchor unit and is provided with oppositely located recesses having pivot bearing surface portions, and a pivotable coupling member, which is provided with inwardly bent leg end portions. The leg end portions have retaining projections and are pivotably journaled in the pivot bearing surface portions. In addition, the anchor unit is shaped so as to securely hold the end portions of the coupling member within the oppositely located recesses. The coupling member is detachable from the rotary member when the anchor unit is disconnected from the base member.

Abstract: Equipment for a holding serum container is disclosed as including a vertical stem having in its lower end a hook to hold a serum container, the stem being horizontally displaceable by means of a slider which travels within a rotatable tubular structure linked to a hanger to eventually rotate the equipment which may be fixed to a room or vehicle ceiling.

Abstract: A fitting structure of a first arm fitted to a robot base of a horizontal articulated robot, wherein a linearly movable slide is longitudinally guided along the robot base. A base at a base end of the first arm is rotatably fitted to the slider, and rotation of the base relative to the slider is restricted by a removable fixing device. This invention is efficiently used when packaging the robot.

Abstract: A welding cable has connectors at each end, and a plurality of electrical conductors extending through the cable from one connector to the other. An insulating element includes a tubular outer wall, and a plurality of wall portions extending radially in respective directions from the central portion to the outer wall, each conductor being disposed in a passageway defined by a respective pair of adjacent radial wall portions and a portion of the outer wall. The connectors at the ends of the cable facilitate a flow of cooling water through the passageways in the insulating element. The insulating element extends through a pair of axially spaced, tubular cover portions, each of which has one end clamped to a respective connector.

Abstract: A vehicle for manipulating large diameter pipe includes a vehicle frame assembly which supports an auxiliary pipelayer frame. The pipelayer frame supports various components for manipulating the pipe, including a boom arm and a fluid cylinder for raising and lowering the boom arm. During transportation of the vehicle, certain components must be removed from the vehicle to make the vehicle conform to width and height restrictions. Normally, the boom arm and the fluid cylinder would be removed. The subject invention provides for storage of the fluid cylinder on the vehicle during transportation, without the necessity to disconnect fluid lines. Considerable time and effort is saved during dis-assembly and re-assembly of the vehicle components.

Abstract: The swivel connector permits two links, such as cables, chains, etc. to be quickly connected and disconnected without use of tools, and can pass over pulleys and through fairleads etc. The connector has a plug connector portion which has head and neck portions which are received in a complementary recess of a socket connector portion. The socket connector portion comprises second and third body members each having a longitudinally aligned main face with a recess generally complementary to one half of the neck and head portions. The connector portions have bearing surfaces which generate inwards forces on the second and third body members which tend to hold the second and third body members together so as to embrace the first body member. A resilient structure applies an outwardly directed axial force between the connector portions, which tends to force the main faces and bearing surfaces into engagement so as to initiate and enhance gripping of the two portions together.

Abstract: A knuckle joint in which a first piece with an eye enters a jaw between two corresponding projections of a second piece having a first and a second eye respectively formed therein, and is retained by a pin member, wherein the pin member comprises a pin having a first end with a button fixed thereat and a second end. The pin passes through the eye of the first piece, which then retractably protrudes the button out from the first eye of the second piece and extends the second end to a position near the second eye of the second piece. A stopper has a protrusion which is passed through the second eye of the second piece, extending into the eye of the first piece, and joined with the second end of the pin. A slide block is passed through by the pin and inserted within the eye of the first piece, retractably protruding into the first eye of the second piece.

Abstract: A cable arranging device for an industrial robot has a cylindrical support casing (2), a swing casing (3) supported on the support casing (2) and swingable about the axis of a swing shaft, and cables (5) interconnecting the swing casing (3) and the support casing (2). One end of a substantially C-shaped cable guide (4) is pivotally supported in the swing casing on the axis of the swing shaft, the other end of the cable guide is pivotally supported in the support casing on the axis of the swing shaft. Spaces for allowing the cable guide (4) to swing therein through a prescribed angle are defined respectively in the swing casing (3) and the support casing (2).

Abstract: A swing arm lamp has the swing arms thereof connected to each other through a swivel assembly that includes a first swivel element and a second swivel element all disposed and interconnected so as to rotate with respect to each other about an axis of rotation through the swivel assembly, but so that relative sliding movement along the axis of rotation of the elements with respect to each other is substantially prevented and so that the relative rotation is limited to just about 360 degrees. The swivel elements are formed of tubular stock with one element having a reduced outer diameter at one end thereof, having a circumferential groove formed about such reduced outer diameter, and having a stop extending therefrom. The reduced outer diameter end portion of the one swivel element, in turn, seats in an enlarged inner diameter end portion of the other swivel elements. First and second lugs are formed from the material of such other swivel element by displacing the wall thereof in a swaging process.

Abstract: A crossed-arm window lifter for motor vehicles comprises a primary arm pivotably mounted on a carrier and a secondary arm (30) mounted on the primary arm by a crossed-arm pivot joint 38. The primary arm is divided into two arm parts 26 and 32. The arm part 26 next to the carrier comprises a stamped portion 48 with a height d which corresponds to the sheet metal thickness b of the secondary arm 30 in the region of a bearing opening 44 surrounding the stamped portion 48. The arm part 32 remote from the carrier is rigidly secured to the end face of the stamped portion 48.

Abstract: A lamp arm assembly includes at least one swivel assembly (A,D) and tubular arms (90, 150) for supporting a lighting fixture (E). The swivel assemblies include at least a first swivel member (10, 100) and a second swivel member (30, 120). Each swivel member has a peripheral outer surface (12, 102, 32, 122) and an interior passage (14, 34, 104, 124). One of the swivel members includes an annular collar (16, 106) projecting into the inner passage and the other includes a ferrule (36, 126) which is received in the annular collar and crimped thereto. The swivel members have bearing surfaces (18, 38, 108, 128) around the ferrule which are urged into firm frictional engagement by the crimping. One of the bearing surfaces is supported on a cylindrical supporting portion (44, 130) and the other has a skirt (40, 108) with a cylindrical inner surface. The cylindrical surfaces of the skirt and the bearing surface supporting portion are sufficiently different to form an annular gap.

Abstract: A swing arm lamp has the swing arms thereof connected to each other through a swivel assembly that includes a pair of end swivel elements and a center swivel element all disposed proximate each other and interconnected so as to rotate with respect to each other about an axis of rotation through the swivel assembly, but so that relative sliding movement along the axis of rotation of the elements with respect to each other is substantially prevented. The elements are formed of tubular stock with the center element having reduced outer diameter at each end thereof and having a circumferential groove formed about each such reduced outer diameter. The reduced outer diameter end portions of the center element, in turn, seat respectively in enlarged inner diameter end portions of the end elements. A lug is formed from the material of each such end element by displacing the wall thereof in a swaging process.

Abstract: For lifting loads there is provided an eyebolt with an annular ring swivelly mounted on a stud so as to freely rotate in a horizontal plane through a full 360.degree.. A lifting loop has oppositely disposed pivot pins in swivel engagement with the annular ring to allow the loop to pivot in a vertical arc as well as to rotate about the stud. The stud in turn is adapted to be anchored in fixed position to the load, whatever the load may be. Snap rings at free ends of the pivot pins serve to resist pulling the pins free of the annular ring when a heavy lifting force is applied to the lifting loop.

Abstract: A swivel connector includes a ring (1) which is assembleable into a slot (5) in a hoist member (2), with the slot having an open end forming an enlarged bifurcated recess portion (8). The ring and hoist are assembled to an annular housing (9) and a first nut (14) is positioned for sliding movement and relative rotation within the housing and is threaded onto the slotted end of the hoist member. A plug (16) is positioned within the bifurcated hoist slot recess end and a second nut (17) having a threaded axial opening is secured within the housing. A threaded shaft (22) is provided and which is threadably disposed within the second nut opening and in relatively loose engagement with the plug. The shaft extends outwardly for securement to the load or the like. During swiveling use, the ring (1), hoist (2), plug (22) and first nut (14) turn together, with the other elements remaining fixed.

Abstract: A device, such as a flashlight, spotlight, or reading light, for emitting an incident beam of light wherein the intensity and color of an incident beam of light emitted from the device can be manually modulated or adjusted. The device utilizes a variable density filter system which is manually adjustable and which incorporates a pair of optical linear polarizing filters or lenses which are mounted so that the emitted beam of light must pass through the polarizing filters. The filter system is adapted to produce at one extreme a high transmittance value when the axes of the polarizing filters are parallel. At the opposite extreme a very high extinction density is achieved when the axes of the polarizing filters are oriented so as to be essentially normal or perpendicular with each other. Varying optical densities are produced at settings between these two extremes.

Abstract: A swivel connector for connecting a first and second line for towing of one line by the other wherein there is provided an upper limit on loading that may be imposed between the lines as a safeguard to damage to one of the lines. The swivel connector includes first and second swivel heads connected by a load pin. The load pin is fixed to fracture at an approximate predetermined loading between the first and second swivel heads which loading is beneath that which would otherwise cause danger or damage to one of the lines. Upon fracture of the pin, it is readily replaced so that the swivel head can be used again.

Abstract: A swivel fitting for electrical conduit and the like comprising a first fitting part having an axially extending tubular section and a second fitting part having a generally cylindrical axially extending section disposed in sleeved relationship within the tubular section of the first fitting part and having a distal end surface engageable with a transverse shoulder formed within the interior of the tubular section of the first fitting part. The second fitting part has a head portion with a generally annular channel for receiving the distal end of the tubular section of the first fitting part. The channel is delimited by a transverse surface which is axially spaced from the transverse end face of the cylindrical section so that in any position of the fitting, rainwater and other liquid spray will be prevented from intrusion into the interior wireway formed by the fitting.

Abstract: For lifting loads there is provided an eyebolt with a collar swivelly mounted on a stud so as to freely rotate in a horizontal plane throughout a full 360.degree.. A lifting ring has oppositely disposed pivot pins in swivel engagement with the collar to allow the ring to pivot in a vertical arc as well as to rotate about the stud. The stud in turn is adapted to be anchored in fixed position to the load, whatever the load may be. Enlargements at free ends of the pivot pins serve to resist pulling the pins free of the collar when a heavy lifting force is applied to the lifting ring.

Abstract: A variable length mechanical connection having a selectable fixed length obtainable by permitting at least one of three relatively axially movable body members to selectively rotate relative to the other body members under axially applied loads.

Abstract: A robot wrist for introducing a male part into a bore, the end of the part and/or the opening of the bore being chamfered, and which has an arm connected to the robot, an end piece adapted for carrying the part and connecting elements fixed to the arm and the end piece allowing free movement of the end piece with respect to the arm, and ensuring self centering of this end piece. The connecting elements are magnetized in the direction of their axis and are interposed between the arm and the end piece, disposed so as to attract each other mutually and separated from each other by balls.

Abstract: For use in hard space suits and the like, a joint between the torso covering and the upper arm covering (i.e., shoulder) or between the torso covering and upper leg covering (i.e., hip) is disclosed. Each joint has an outer covering and a inner covering. The outer covering has plural preferably truncated toroidal sections decreasing in size proceeding outwardly. In one embodiment at each joint there are two bearings, the first larger than the second. The outer race of the larger bearing is attached to the outer edge of the smaller end of each section and the inner race of the larger bearing is attached to the end wall. The inner race of the smaller bearing is attached to the end wall. The outer race of the smaller bearing is attached to the larger end of the next section. Each bearing has appropriate seals. Between each section is a rubber ring for the comfort of the wearer. Such rubber rings have radial flanges attached to the inner races of two adjacent bearings.

Abstract: This fastening device provides a self-contained, tie-down unit by means of which load from a swivel eye is transferred to a base. The fastening device includes a stud, threadedly connectible to a base and mounting a collar and a bushing member. The bushing member and collar cooperate to provide a swivel mount for the load ring. The bushing member and stud cooperate to transfer variable loadings into the base in a manner predictable from their size and configuration.