Abstract: A quick to connect and quick to disconnect fluid coupling has a clip, a male portion having an annular groove adapted to receive the clip, a female portion, and a sealing element. It is improved by the female portion having a dual function frustoconical portion adapted to compress the sealing element during joinder of the male portion with the female portion as well as to compress the clip into the annular groove in preparation of separating the male portion from the female portion. Further, a sleeve is slideably placed about the male portion and adapted to capture the clip compressed within the annular groove.

Abstract: A universal attachment for capturing and utilizing exhaust gas from pneumatic power tools having a conventional pressurized gas line connection and a conventional exhaust gas port, includes an inner sleeve member having at least one exhaust outlet and being configured to accommodate a conventional gas line assembly there within. An outer sleeve member is configured to accommodate the inner sleeve member there within. At least one spring is disposed between the inner sleeve member and the outer sleeve member. In use with a pneumatic power tool, the outer sleeve member is securely held against the tool by way of coupling the conventional gas line assembly, placed within the inner sleeve member, to the conventional pressurized gas line connection of the tool.

Abstract: A plug-in coupling for fluidic systems, in particular for CO2— and fuel-conducting systems, including a housing (1) and a plug (2) which can be inserted into the housing (1). The plug (2) can be inserted by a plug stem (3) into a receiving opening (4) of the housing (1) in a manner sealed by at least one circumferential seal (5, 5a, 5b) and, when inserted, it can be locked therein against release by a locking device having at least one latching element (7) arranged on the plug (2) and a latching shoulder (8) interacting with the latching element (7). The housing (1) has two-part design with an inner housing part (1a) and an outer housing part (1b), which can be connected releasably to the inner housing part (1a) so that it essentially surrounds the inner housing part (1a). In order to install it without destroying it, the latching shoulder (8) is formed at one end in an entry region (4a) of the receiving opening (4) on the outer housing part (1b).

Abstract: A plug connection for fast-fit coupling of two appliances forming part of a medical handpiece system includes a first coupling fitting on one of the appliances and a second coupling fitting on the other of the appliances. The first coupling fitting has a movable locking element and the second coupling fitting has a projecting element projecting toward the first coupling fitting. The projecting element comprises an end portion of a media line or an end portion of an electrical contact and is positioned to engage a surface of an opening in the locking element to move the locking element between lock and unlock positions when the first and second coupling fittings are moved toward and away from each other.

Abstract: Connection elements include a coupling defining an internal channel having an end segment possessing an insertion opening for insertion of an endpiece and provided with members for retaining the endpiece in leaktight manner therein. The members include an annular axially compressible sealing element that is mounted in the coupling to have one face serving as a bearing surface for a terminal face of the endpiece, and an annularly-shaped retaining element elastically deformable in a radial direction that is received in an inner groove (21) of the end segment to have an inner circumferential portion projecting through an opening of the inner groove so as to be received in an outer groove of the endpiece. The inner groove has a concave frustoconical flank beside the opening of the end segment to form members for shrinking the retaining element, and a convex frustoconical flank on its side remote from the opening.

Abstract: A swivel connector (10) for a pipeline includes first and second connecting members (12, 14) connectable in the pipeline. The connecting members (12, 14) have round, telescopic pipe sections (32, 42), an annular seal (36, 46) between the pipe sections, and connectors (52, 56) which swivellably, releasably connect the connecting members (12, 14). The seal includes an inwardly proud standing peripheral ridge (36) on the first pipe section (32) which is telescopically outermost, and an aligned, complemental, thin walled, dilatable band (48) on the second pipe section, which is telescopically innermost. Liquid pressure dilates the band (48) to touch the ridge (36) to effect sealing. The connectors include a peripheral shoulder (52) on a collar (50) of the member (12) and a diametrically opposed pair of hooks (56) on the member (14) and which are releasably engageable with, to be relatively swivellable to, the shoulder (52). The sealing and swivelling surfaces can be separated for cleaning and maintenance.

Abstract: In a fluid system such as irrigation system, fluid conduit attachment is facilitated through the use of a coupling. The coupling may have a body with a first end attached to a component such as an irrigation component, and a second end designed to receive an end of a conduit. The first end may be integrally formed with the component or separately attached thereto. The second end has a bore into which the end of the conduit is inserted. A gripping mechanism is seated in the bore to grip the end of the conduit. A release mechanism slides to release the conduit. The coupling may have a bend and/or branches extending to extra ends. A second coupling may be added to form a rotatable swing joint. An indicator such as a blue color may be used to indicate compatibility of the coupling with the conduit.

Abstract: A connecting coupler which reduces the risk that an endotoxin or the like enters a dialysis solution and that the connecting coupler itself is deformed including a body made of an elastic material in which a tip portion of a connection plug of a dialyzer can be removably fitted into a plug-receiving opening portion of a solution transferring passage inside the body; a line connector which is fitted into the body and communicates with the solution transferring passage; a coupling tube which has a fixing portion fixedly fitted on the tip portion of the body and a coupling portion projecting from the fixing portion toward a front in an axial direction and removably fitable onto the connection plug; and a fixing mechanism which releasably fixes the coupling tube to the connection plug.

Abstract: A quick-release fitting assembly has a male fitting and a female fitting. The male and female fittings are secured together by a retaining ring that is at least partially received in aligned first and second retaining grooves that are provided in the male fitting and the throat of the female fitting respectively. A water tight seal is provided by an O-ring that is retained in a sealing groove of the male fitting and radially compressed against the throat wall when the male fitting is inserted in the female fitting. The water tight seal remains substantially intact when the male fitting is rotated relative to the female fitting. In a preferred embodiment, the male fitting is removable from the female fitting by first compressing the retaining ring so that it no longer extends into the second retaining groove.

Abstract: A spring-biased holder 42 for pressing a locking ball (41) is accommodated between an outer sleeve (30) fitted onto an outer surface of a coupling part (21) of a coupler main body (20) and the outer surface of the coupling part (21) so as to be capable of moving back and forth. A coupler (10) can be attached to a plug (51) of a dialyzer (50) easily with a single operation by moving the holder (42) back and forth. In cleaning using a cleaning adapter (60), the coupler (10) is attached to the adapter (60) while releasing the locking ball (41) with a pressing protrusion (67) of the adapter (60), so that the inside of the coupling part (21) can be surely cleaned.

Abstract: A connection for tubulars includes an outer housing, an inner housing receivable in the outer housing, a retainer member coupled to and axially restrained with respect to the inner housing, and a slidable member mounted on the inner housing and movable between an engaged position and a disengaged position. The slidable member carries a plurality of engagement elements that form an interlocking joint between the retainer member and the outer housing when the slidable member is in the engaged position.

Abstract: A connecting coupler which reduces the risk that an endotoxin or the like enters a dialysis solution and that the connecting coupler itself is deformed including a body made of an elastic material in which a tip portion of a connection plug of a dialyzer can be removably fitted into a plug-receiving opening portion of a solution transferring passage inside the body; a line connector which is fitted into the body and communicates with the solution transferring passage; a coupling tube which has a fixing portion fixedly fitted on the tip portion of the body and a coupling portion projecting from the fixing portion toward a front in an axial direction and removably fitable onto the connection plug; and a fixing mechanism which releasably fixes the coupling tube to the connection plug.

Abstract: A quick connect and disconnect coupling which does not allow free rotation of the ends of the coupling with respect to one another includes a male connector having a coupling end and a female connector having a coupling end with a receiving opening therein to receive the coupling end of the male connector when the connectors are in coupled condition. A holding mechanism is associated with the connectors to hold them together in coupled condition and allow easy disconnection when desired. Interengaging cooperable surfaces are provided on the male and female connectors, such as tabs extending from the female connector to engage a flat or other tab mating surface on the male connector to substantially prevent relative rotation of the male connector in relation to the female connector. The coupling is particularly useful for attaching sprinkler heads to sprinkler head holding bases in sprinkler systems to allow easy replacement of the sprinkler heads.

Abstract: The invention relates to a swivel adapter-coupler that is to be positioned between a conventional fixed drop elbow on the end of a hose of a tanker truck for an underground storage tank. The other end of the swivel adapter-coupler attaches to the pipe adapter (either the fill pipe or the vapor pipe) of the underground storage tank, in the conventional quick-connect type connection. The swivel adapter-coupler permits loops and kinks in the hose to be removed by rotating the swivel adapter-coupler in the proper direction. Likewise, the invention relates to a rotatable drop elbow to replace the conventional fixed drop elbow at the end of a hose on a tanker truck. The rotatable drop elbow eliminates loops and kinks in the hose by merely rotating the drop elbow in the proper direction.

Abstract: In a broad aspect, the invention is an orienting and locking swivel including: a locking ratchet housing having a longitudinal bore; a first tubular member partially disposed within the longitudinal bore of the locking ratchet housing; a second tubular member partially disposed within the longitudinal bore of the locking ratchet housing, and releasably engageable with the locking ratchet housing; a first split housing engaged with the locking ratchet housing and releasably engageable with the first tubular member; and a second split housing engaged with the locking ratchet housing and releasably engageable with the second tubular member. The swivel may further include a locking ratchet disposed within a locking ratchet recess in the locking ratchet housing. A method of orienting a plurality of eccentric well tools is also provided, as is a downhole well assembly.

Abstract: A coupling for interconnecting two fluid flow lines includes a first coupling member (1) having a male end (4) and a second coupling member (2) having a female end (17) within which a rotatable collar (3) is held captive. The male end (4) includes four equally circumferentially spaced lobes (16) and the collar (3) has a cylindrical portion (3) that is shaped at its inner end to provide a square cross-section (35) to allow passage of the lobes (16) therethrough. The end rim (33) of collar (3) is recessed (37, 38) whereby upon insertion of male end (4) through collar (3) and rotation of the collar, the lobes (16) can seat within the recesses (37, 38), thereby releasably interconnecting the first and second coupling members (1, 2).

Abstract: A bellows for connecting hoses or apparatus operating in a partial vacuum including a corrugated tube reinforced on the outside by rings at the troughs of the corrugations. The tube further includes toric reinforcing rings on the inside of the crests of the corrugations, the length of the rings being adjustable so as to adapt to the deformation of the corrugations in service.

Abstract: A quick action coupling including a coupling body and a coupling nipple connectable with either of a pair of hoses or the like, the coupling body comprising a coupling sleeve in which the coupling nipple is introducible to a sealing position. In the wall of the coupling sleeve there are formed radially extending, through openings in which locking balls are radially movable. At the outer surface of the coupling sleeve there is provided a locking sleeve which is axially movable to lock and release the locking balls. The through openings in which the locking balls are positioned are slot-shaped to allow that the locking balls are displaced away from the position in which they are locked by the locking sleeve without requiring manipulation of the locking sleeve.

Abstract: The structure of a water faucet joint comprises a faucet having a main body integrated with a fastening sleeve, a stoppage sleeve and a conduit connector. The faucet has an inner washer recess for a stoppage-sleeve inner washer contracting therein, and an outer washer recess for a stoppage-sleeve outer washer contracting therein to press against the stoppage sleeve at its rear end. The inner washer and a coiled spring is encased in a spring-receiving recess which is formed on the interior of the stoppage sleeve. The stoppage sleeve is positioned but slidable in one way direction by the stoppage-sleeve inner and outer washers, and therebetween, a plurality of positioning holes are radially formed on the outer circumference of the fastening sleeve for a plurality of restraining members to be disposed and positioned therein.

Abstract: A swivelable connector for tubular conduits comprising first and second mutually insertable tubular connector members and a retainer for retaining the second tubular connector member in the first tubular connector member. The retainer comprises engaging members positionable around the second tubular connector member and in the first tubular connector member, urging members engageable with the outer surfaces of the engaging members along a relatively axial movement between the urging members and the engaging members, to radially urge the engaging members into engagement with the second tubular connector member. The urging members can be embodied by a stepped inner surface of the first tubular connector member associating with the movable engaging members, or by the movable urging members associating with the fixed engaging members.

Abstract: A quick disconnect coupler comprising a coupler body, a latching mechanism for holding the coupler body to another component, a telescoping sleeve moveable axially on the coupler body to engage and disengage the latching mechanism, and a sleeve operator assembly for moving the telescoping sleeve axially between engaged and disengaged positions. The sleeve operator assembly includes a yoke in the form of a ring collar having opposite ends and opposite side portions straddling the telescoping sleeve. Opposite side portions of the yoke are pivotally connected to respective sides of the telescoping sleeve at diametrically opposite connection points. A handle is provided at one end of the yoke, and a linkage connects the other end of the yoke to the coupler body.

Abstract: A tubular arthroscopic sheath having improved irrigating fluid flow characteristics and having a quick coupling socket adapted to quickly connect to and disconnect from an associated arthroscopic tool provided with a mateable, generally cylindrical plug member. The fluid flow is enhanced by centering projections on the sheath interior and by turbulence minimizing fluid ports. The socket comprises an open ended cylindrical housing provided with a plurality of annularly spaced, cylindrical locking pins slidable within throughbores in the housing wall, the throughbores extending radially from the housing axis and axially skewed with respect thereto. Each pin is provided with a notch in its cylindrical surface adjacent the most radially outward end of the pin. A pair of slidable coaxial cylindrical actuating members is adapted to engage all the notches and capture the pins. Moving the slidable actuating members away from the open end of the housing causes the pins to slide radially outwardly in the throughbores.

Abstract: The invention pertains to a fitting consisting of a tubular body which may be readily installed over the end of a smooth wall conduit and removed therefrom and may be quickly connected to a standard unisex adapter mounted on the end of a hose line to place the conduit and hose line in fluid communication. The fitting includes a positive lock for attaching the fitting to the conduit and a flexible retainer is employed for safety purposes to resist "blow off".

Abstract: A coupler of the type provided with a male fitting (11) which can be locked in a female fitting (7') by means of locking balls (9) housed in an annular row of holes (8) located in the female fitting (7').That part of the mobile tubular element (7) including between the annular row of holes (8) in which the locking balls (9) are housed and the nearest external shoulder (23) of the tubular element (7), which serves to support a return spring (16) is surrounded by a cylindrical bushing (24) whose inside end is provided with a flange (25) which is normally biased against the external shoulder (23) of the mobile tubular element (7), whose other end, which is normally biased against the internal tapered face (6a) of the internal rib (6) in the body (2), is internally beveled so as to provide a divergent face (26), whereby the length of the cylindrical skirt of this bushing (24) slightly exceeds the distance between the aforesaid shoulder (23) and the annular row of holes (8) housing the balls (9).

Abstract: A tension actuated fuel (e.g. gasoline) delivery hose uncoupler is disclosed in which, upon a predetermined tension load being applied to the delivery pump hose, the coupling will automatically uncouple thus releasing one end of the hose which, for example, may remain inserted in the fuel tank of a vehicle driving away from the fuel dispensing pump, and the other portion of the hose which is permanently affixed to the pump. The coupler includes normally closed check valves which, upon uncoupling of the coupler, close thereby preventing spillage of fuel. Further, the coupler is adjustable so that it may be calibrated to uncouple at predetermined tension loads. The uncoupler is structured so as to substantially eliminate the effects of fluid (e.g., gasoline) delivery pressure on the tension load required for uncoupling.

Abstract: A monitor which is for directing fluid flow from a fire truck pumper and which includes a spring biased latch pin securing the monitor to either a portable or permanent mount having a circumferential swivel bearing.

Abstract: A device for the tight connection of a first part to a second part in a direction D.It comprises a first member having a first conical surface of axis D and angle .lambda., a second member having a second conical surface of axis D and angle .mu. and a third member having a third planar surface perpendicular to axis D at least one intermediate member, at least one of the three members being connected to the first or second part. The device also has means for bringing together the first and second members.

Abstract: A connector assembly for connecting a faucet body to a swivel spout. The connector assembly comprises a spout hub fixedly attached to the spout, a spout socket fixedly connected to the faucet body and rotatably received within a through passageway in the spout socket, and a resilient flexible lock ring disposed between the spout hub and spout socket. The lock ring integrally comprises a collar extending at least partially around the spout hub and a pin projecting outwardly from the collar. The lock ring collar is normally inwardly flexed and urges against the interior of the spout socket. The spout socket is provided with a side opening which receives the lock ring pin under urging from the collar. Interference contact between the spout socket and the pin within the side opening serves to limit longitudinal movement of the spout hub inside the spout socket.

Abstract: A safety cage including two end plates connected by straps extending therebetween is adapted to be placed over an assembled quick connect-disconnect coupling, and the end plates engage behind abutment surfaces on the coupling to prevent accidental separation of the coupling elements. The cage also carries a pair of spaced vertical bars that engage a shoulder on the operating sleeve of the coupling, and lock it against any axial movement. The coupling includes an abutment ring that prevents any forward shifting of the sleeve because of component wear, further eliminating the possibility of accidental separation.

Abstract: A pipe coupler including a socket having a valve member provided with a fluid passage and a plug designed to engage and open the valve member. A locking ball is provided to retain the plug relative to the socket after insertion therein. The valve member includes a blank flange normally engaged against an annular seal to close the fluid passage. A locking ball-bearing annulus is slidably mounted within the socket to normally hold the locking ball in a disengaged position. A single O-ring is positioned between the valve member and the bearing annulus in such a manner that the single O-ring is not subjected to any axially excessive force when the blank flange engages the annular seal. The single O-ring includes an outer surface and an inner surface which seal against the inner surface of the socket and the outer surface of the plug, respectively.

Abstract: A hydraulic quick disconnect coupling wherein the female half is free of external moving parts and a spring loaded internal fitting is employed to maintain the halves in either coupled or uncoupled condition.

Abstract: A spherical rocking and swivel member, within a chamber in a body having a passageway therethrough and extending in part through axially outwardly facing shoulder means therein spaced inwardly from one end of the body, thrusts toward the shoulder means and has a hollow coupling stem thereon projecting outwardly relative to one end of the body. The spherical member and the stem have a fluid passage therethrough in continuous fluid flow communication with the passageway. Combination packing ring and nut lock means seal the swivel member and adjacent end of the body and lockingly retains a retaining ring nut relative to the body. Bearing means facilitate rocking and swivelling movement of the spherical member relative to the shoulder means. A method of making the hose connector is also covered.

Abstract: A microscope objective mount is described for screwing onto a microscope, said microscope having a tube which is rotatable around the mount and is held onto the mount. The mount is distinguished in that the tube extends over approximately the entire length of the mount, with the tube and mount being releasably connected together by a catch connection.

Abstract: A rotary fluid coupling for use with such devices as tracking concentrating solar collectors is disclosed which is capable of providing excellent sealing characteristics over a wide temperature range at relatively low internal fluid pressures. The coupling includes a stationary body member which defines an internal fluid passage operating in conjunction with a conduit member one end of which is received the stationary body member forming a continuous passage therethrough wherein the conduit member is rotatable within the stationary body. A dual sealing system is employed in which a pair of resilient radial seals are utilized spaced axially along the interface between the stationary member and the conduit member. Any leakage past the first seal is collected through a drain opening in the stationary member between the two radial seals. A container may be attached to the drain opening to indicate and collect any leakage at the rotary joint.

Abstract: A plug assembly is provided including an elongated sleeve defining a longitudinal bore therethrough and including structure thereon for at least semi-permanent sealed securement through the drain bore of an oil pan. The plug assembly further includes a plug member defining an enlarged head and an elongated shank projecting lengthwise outwardly from one side of the head and removably telescopingly receivable in the longitudinal bore through the sleeve. Seal structure is carried by the shank and establishes a slidable fluid tight seal between the shank and the adjacent surfaces of the sleeve bore. The head of the plug member and the adjacent end of the sleeve include coacting structure releasably securing the plug member against outward displacement relative to the sleeve end and thus lengthwise retraction of the shank and the seal structure from the sleeve bore.

Abstract: This disclosure deals with apparatus for and a method of testing a plurality of hydraulic and/or pneumatic systems. Each such system has a hose connected in it and the hose terminates in a valved fitting. All of the fittings are releasably attached to a subassembly which in turn is attached to center member or a manifold. When the systems are to be tested, a test fixture is attached to the center member, such attachment automatically opening the valved fittings. The test fixture also includes valved fittings identical with those connected in the systems. All of the fittings are opened by attachment of the test fixture, and the appropriate tests are then carried out. When the systems are not being tested, the test fixture is removed and a protective cover is applied to the center member in place of the fixture.

Abstract: A telescoping-type connector comprising outer and inner telescoping members, the inner telescoping member defining an outer circumferential groove, and adapted to sealingly fit in telescoping relation within an aperture of the outer telescoping member. The outer telescoping member includes retention means for releasably projecting into the outer circumferential groove, to retain the inner and outer members in the desired sealing, telescoping relation. In accordance with this invention, the inner telescoping member defines, between the circumferential groove and the forward end of the inner member relative to the outer member, a recessed portion on its outer surface for facilitating molding and the like. Ribbed members are positioned within the recessed portion, to prevent the retention means from projecting therein and providing inadequate locking of the connector.

Abstract: A coupling that permits a connection to be made to a fluid system with a minimum of included air, even though the coupled device is not pre-filled. The coupling is particularly advantageously employed as part of a sampler used to take fluid samples for analysis as to air content. It includes a valve housing, a valve seat slidable within the housing and a valve closure member slidable within the seat. A lost motion mechanism allows joint movement of the seat and closure member prior to disengagement of the seat from the closure member. The fluid passage by which fluid is withdrawn from the system extends through the closure member.

Abstract: A quick disconnect coupling of the self-locking type which enables easier connection and prevents stresses to be developed into an unsupported rigid or flexible hose connected to the male or the female portion of the coupling. The male portion of this coupling includes a stopper which cooperates with a mating end of a sliding collar used to retain locking balls into the female portion during the introduction of the male portion into the female portion, said stopper and said mating end or said locking collar allowing, once the male portion is fully engaged into the female portion, the locking collar to return to its initial position.

Abstract: A tuyere and tuyere punch assembly on a converter for processing metals includes a quick disconnect coupling connection for a variable length conduit assembly through which blowing gas is supplied to the tuyere from a blowing gas supply manifold having a connection spaced a fixed distance from the quick disconnect coupling connection. The variable length conduit assembly includes a corrugated tube having one end portion slidably received in fluid sealing engagement with a sleeve portion of a plug member having a locking nose cooperable with a socket on the quick disconnect coupling connection. The variable length conduit assembly provides easy insertion and removal thereof between the two connections and special easily replaceable elastomeric coupling seals minimize malfunction of movable parts on the quick disconnect coupling.