Abstract: A vacuum-cleaner pipe assembly can have inner and outer pipes telescopingly engaged with one another and on a sleeve surrounding the inner pipe, a locking body which engages in selected detents formed on the inner pipe. A rocker or rotatable eccentric in a housing on the sleeve surrounding the inner pipe bears directly against the locking body and is biased by a spring into the locking position.

Abstract: The end-side holding device for a vent pipe of a fuel tank on a stationary wall of a motor vehicle is constructed in two parts and is composed of a connecting piece connected with the vent pipe and of a counterpart. The end region of the connecting piece, which faces away from the vent pipe, and the counterpart extend from opposite sides of the wall in the area of the recess and are pushed into one another until they interact by way of a releasable detent connection.

Abstract: In a preferred embodiment, a blow molded drum has a port including a neck with exterior buttress threads and a port opening having a shoulder. A snap-in down tube assembly seats with the shoulder and has an upwardly extending nipple. Either a dispense head or a closure seats within and is secured by a threaded retainer nut. The dispense head has a first flow duct extending to a nipple engaging portion to seal with the upwardly extending nipple and a second flow duct leading to an annular space around the nipple for a return fluid line or for providing air or a gas for displacing withdrawn fluid. In a preferred embodiment the threaded nut provides an axial tightening force and also provides an axial removal force that disengages the nipple engaging portion with the nipple as the retainer nut is loosened.

Abstract: A coupling for a corrugated conduit has a housing moulded of a rigid plastics material with two spring catches on opposite sides to engage between corrugations on the conduit. A continuous layer of a softer, elastomeric material is moulded on top of the rigid material extending on both the outside and inside of the housing. On the inside, the softer material extends on a tapering surface to seal with the end of the conduit. On the outside, the layer of softer material forms both a flange on an annular ledge to seal with a cooperating coupling and manual gripping regions.

Abstract: A quick connect retainer having a pair of angularly disposed latch fingers extending radially inward from arcuate collars connecting a pair of legs extending axially from an annular base has a recess formed on a radially inner surface. The recess provides a substantially constant cross-sectional thickness to each latch finger between opposed ends of each latch finger. The recess forms a back-draft outer edge for mating with complimentary projections on a mold part to retain the latch fingers in position during separation of the mold halves during molding of the retainer.

Abstract: A plastic fitting for plastic tubing is disclosed. The plastic fitting comprises a main body (10) having a tip sleeve (16) at one end of and an externally threaded portion (14) at the other end thereof, a cylindrical cap nut (20, 52, 64) threadedly attachable to the main body (10) in a manner to compress a flared end (36) of the plastic tubing down against the tip sleeve (16) of the main body, and a resiliently deformable split ring (30, 42, 60) that resides within an annular internal recess (28, 50, 72) in the cap nut (20, 52, 64) for retaining the flared end (36) of the plastic tubing in position around the main body tip sleeve (16). The resiliently deformable split ring (30, 42, 60) includes a plurality of inwardly facing bosses (38, 46) that cooperate with respective spaced apertures (40) formed in the plastic tubing flared end (36).

Abstract: A clampless coupling which attaches a hose to a nipple without need of a clamp at the end of the hose to ensure sealing, including a connector and a nipple of a fluid system component. The connector is sealingly pre-connected at one end with a hose; the opposite end is in the form of a sleeve. The sleeve features a notch at its forward end, a boss on a resilient lock arm, and an O-ring seal. The nipple has a pocket depressionally formed on its outside nipple surface and an alignment tab. In operation, a user slides the sleeve over the nipple by pressing the connector toward the near end of the nipple. As the sleeve slides over the nipple, the tab is received by the notch to align the connector with the nipple, the boss drops abuttably into the pocket, and the O-ring seal sealingly compresses between the nipple and the connector. A seal assurance feature reveals improper connection when a pressure test is undertaken.

Abstract: A covering rosette (8) for the connection region of a sanitary wall-fitting (1) comprises an ornamental hood (8) which is capable of being attached to the mounting-wall, through the central passage opening (10) of which ornamental hood a sleeve (9) extends. The axial position of this sleeve (9) in relation to the ornamental hood (8) can be changed by the sleeve (9) being capable of being screw-coupled on the end of an S-shaped connecting piece (4) facing towards the fitting (1). The ornamental hood (8) is assembled from two halves (8a, 8b) which are only subsequently placed from the side around the S-shaped connecting piece (4) and the sleeve (9) when mounting of the wall-fitting (1) on the S-shaped connecting piece (4) has been concluded.

Abstract: A latchable line connector having a plug-in part for connecting at least one pressure or flow line, such as a fuel line, into a plug-in opening of a connector counterpart. Mechanical stress between the plug-in part and the connector counterpart is reduced by resilient latching arms that grip around and behind the plug-in part in the plugged-in position and thereby latch it relative to the connector counterpart in a manner secure against tilting and twisting.

Abstract: A cylindrical elastomeric sleeve 50 is attached to and held in a receive end portion of a tubular female member 40 made of a resin or a metal. When a tubular male member 30 is inserted, an annular projecting portion 31 of the male member 30 is engaged with an engagement inner peripheral groove 56 while a diameter of a swelling portion 53 of the elastomeric sleeve 50 is increased in a first diameter portion 41 of the female member 40. A portion between the male member 30 and the female member 40 is sealed by a seal portion 54 at the other end side of the elastomeric sleeve 50 received in a second diameter portion 43 of the female member 40.

Abstract: An end (29) of a tube (25) is closed off by a disk (31) which is locked in position in a joint formed with a collar (27) and a plate surround (28). The collar (27) includes a flange (26) which is secured against the lower face of the plate surround (28). The flange (26) may include ribs which act as torsion resistance ribs enhancing the engagement with the plate surround (28). In another embodiment, the collar (27) forms a tube end joint but not a closure.

Abstract: A vapor vent hose is adapted to be assembled to a nipple. The nipple has a first end, an outside diameter and a barb. The barb has a tapered first end adjacent the end of the nipple and a second end with a substantially radially extending face. The hose and nipple are provided in a fuel vapor system. The hose has a first end with an inside diameter fitting over the nipple. The first end has a cuff axially spaced from the end of the hose. The cuff is substantially undeformed radially after installation over the barb.

Abstract: A separable pipe joint has two pipe segments that can be inserted one into the another, a gasket-seal arranged between the pipe segments, and a collet which is arranged so as to be adjustable between a separated position and a clamped position, and which is provided with latching means for axially fixing the pipe segments. To indicate a wear-resistant separable pipe joint, which permits a variable assembly of pipe segments adjoining each other, provision is made that as latching means for fixing at least two axially spaced latching members, radially extending to the inside, are arranged on the collet, the latching members in the clamped position of the collet gripping from behind, in each case, a radially elevated clamping step on the external surface of each pipe segment.

Abstract: A first bracket 16 is fixedly mounted by swage locking to a female connector 10 which is fixedly joined at one end with a resin tube 9 while a second bracket 20 is fixedly mounted by welding to a corresponding pipe 11. When an insertion end 11a of the corresponding pipe 11 is inserted into the other end of the female connector 10, the first bracket 16 and the second bracket 20 are turned relative to each other and about the axis of a second connecting end portion 6 of the female connector 10 so that a coupling hole 18a provided in the first bracket 16 and a coupling hole 22a provided in the second bracket 20 are coincided with each other across which a bolt or an anchor clip is inserted and tightened.

Abstract: A resin tube 9 inserted and fixed to one end of a female connector 10 and a corresponding pipe 11 connected by snap in to the other end of a female connector 10 are fixed by a first holding means 17 and a second holding means 18 of a holder member 16 respectively. Holding portion of either the resin tube 9 and the corresponding pipe 11 is located off the common axis L as securely held by the holder member 16. Either the resin tube 9 or the corresponding pipe 11 is turned about the female connector 10 so as to connect with either the first holding means 17 or the second holding means 18.

Abstract: A tube to be connected to a pipe is formed of a base portion, a wide portion and a narrow portion integrally molded together. The wide portion has an inner end extending to the base portion, and an opening formed at a side opposite to the inner end. An inner diameter of the wide portion is greater than that of the base portion. When the pipe is inserted, the base portion receives an insertion portion of the pipe, while the wide portion receives a projecting portion of the pipe therein. The narrow portion deformably projects inwardly from an inner circumference of the wide portion at a position away from the inner end. The narrower portion allows the projecting portion to pass therethrough in a pipe inserting direction by deformation thereof, and prevents the projecting portion from passing therethrough in a pipe removing direction opposite to the pipe inserting direction.

Abstract: A female member for use with a male member of a quick connector assembly, including a first tubular portion which has a first axial bore having a first diameter, a second tubular portion which is coaxial with the first tubular portion and which has a second axial bore which has a second diameter greater than the first diameter of the first axial bore, which is adapted to hold one or more annular seal members and which cooperates with the first axial bore to receive an end portion of the male member, and a connecting portion which connects between the first and second tubular portions and which has an annular recess which opens in the second axial bore, which is located radially outwardly of the first axial bore and which prevents the annular seal member or members from being moved from the second axial bore into the first axial bore when the end portion of the male member is inserted into the female member.

Abstract: This invention provides a connector for coupling a male and a female component, the connector including a member for locating the female component with respect to the male component and a locking member for coupling the female component to the male component. The locking member rotates with respect to the locating member in order to provide for the coupling and uncoupling of the components.

Abstract: A quick connector-male conduit assembly (10) for use in a conduit coupling incorporates a hand-releasable, self-centering snap ring-like retainer (20) having a seating indicator (16) included therewith. The seating indicator (16) includes a pop-off ring (48) that goes around the male conduit (12), which is a part of the tubing leading to the connection to assist in the installation of the quick connector-male conduit assembly (10) into a female receptacle (11) and to positively indicate to the installer that the male conduit (12) has been properly locked to the female receptacle (11). The retainer (20) includes a pair of tabs (68) for easy manipulation by hand or tools for removal. The quick connector assembly (10) is on either a plastic or a metal male conduit (12), and can be as short as a threaded connection. The quick connector assembly (10) has no threads, and permits 360 degree rotation of the conduit (12).

Abstract: The invention relates to a plug-in rapid-action coupling device (10) for corrugated tubes (12) which have recesses (22) provided at unit spacings on the outer circumference, having a coupling body (14) with an opening (16) which passes through symmetrically and has an axis (20), having a plug-in region (18), within which the corrugated tube (12) can be arranged, and having at least one elastically deformable latching unit (30) which is provided, in the plug-in region (18), on the wall of the coupling body (14), which is arranged so as to be inclined in the direction toward the axis (20), and which, in the plugged-in state of the corrugated tube (12), latches into a recess (22) which is provided correspondingly on the corrugated tube (12), with the result that the corrugated tube (12) is secured against being drawn out, and said plug-in rapid-action coupling device (10) is distinguished in that, in the plug-in region (18), at least two slits (36), which are spaced apart essentially parallel to one another, are

Abstract: An apparatus for fusing a pipe to a fitting includes an induction heating element wholly encased or coated with a flusible thermoplastic polymeric material, a fitting having a socket or a flange. The induction heating element is adapted to be inserted into said socket or mounted on said flange, the fitting and the element together defining a throughbore, a portion of a pipe adapted to be inserted into the throughbore or mountable on said flange. The apparatus also includes a locating and maintaining member on the induction heating element with one or more projections adapted to be snap-fitted on the fitting, the pipe or both, and capable of locating and maintaining the position of the heating element relative to the fitting or the member portion. The induction fusion element is capable of fusing the fitting and the pipe portion.

Abstract: A plug-in coupling connects two fluid conduits, one of which has a retaining rib. The plug-in coupling includes a sleeve having radial openings. The coupling also includes an arresting device displaceable within the sleeve. The arresting device has retaining arms. A free end of each arm is hook-shaped for engaging behind the retaining rib. Each of the free ends has an outer inclined face. When the sleeve and arresting device move apart, the inclined face presses against a front edge of the opening that receives the hook. When the arresting device and fluid conduit are pulled apart, an inner inclined face of the hook presses against the retaining rib. In an unlocking position, the outer inclined faces of the hooks are sufficiently spaced from the front edge of the respective opening so that the retaining arms may spread radially apart to permit decoupling. The arresting device also has resilient unlocking arms. An outer part of each one of the unlocking arms projects through one of the openings.

Abstract: A shoring leg is provided with a latch for use in maintaining an end plate of the shoring leg and a jack collar in a predetermined position relative to each another. The latch comprises a latch member having a slot to receive a mounting bracket which mounts the latch member for pivotal movement relative to the mounting means from a latching position to a release position. The latch member defines a recess adapted, when in the latching position, to receive part of the leg end plate and a corresponding part of an adjacent collar of the jack to retain the end plate and collar in the predetermined position. The latch member is biased into the latching position by a coil spring acting between the leg and the latching member.

Abstract: A recirculating paint supply system having a supply conduit, a return conduit and a push to connect fluid coupling assembly. The supply conduit supplies a liquid coating composition received from a supply to a spray nozzle. The return conduit returns the excess liquid coating composition supplied to the spray nozzle to the supply. The push to connect fluid coupling assembly receives an end portion of at least one of the supply conduit and the return conduit. The push to connect fluid coupling assembly includes a connector housing defining a bore having a first annular groove to retain an annular lock ring positioned within the groove. The lock ring is operable to grip and engage the outer periphery of the conduit to securably retain the conduit in the connector housing.

Abstract: A hose coupling for connecting two hoses (3, 4) has two hose fittings (1, 2), which each have a coupling part (5, 6). One coupling part (5) has a radially encircling guide collar (7), which engages in a groove (9) made in a sleeve (8) of the other coupling part (6). The sleeve (8) is of elastic material in order to fit the coupling parts (5, 6) one inside the other in a simple manner.

Abstract: A heat exchanger is disclosed with one piece manifolds formed from a unitary sheet of metal. Each manifold has first and second sidewalls and a third sidewall extending therebetween the a lap joint between the side edges of the metal sheet. The first and second sidewalls are flat and the first is provided with tube apertures for receiving cooling tubes extending between a pair of manifolds. The second sidewall is flat and is provided with a socket for receiving the end of a pipe fitting in an interlocking connection. The manifold is clad on both sides with a brazing material and the manifold assembly with all attached parts are heated in a brazing oven to effect final assembly of the heat exchanger.

Abstract: A joint coupling is disclosed for connecting sections of conduit. The present joint coupling includes a male connector portion having an inner side and an outer side, having a barb on one or both of the sides. A gasket is received on the male connector portion, and has one or more fins on the side opposite the barb. A female connector portion receives and engages the male connector portion and includes a first side having a lock down lip for engaging the barb and a second side for contacting the gasket fins. The fins bias the connector portions in an interference to create a transverse locking force that securely retains the connector portions. The connector portions can be formed directly on the sections of conduit, or can be formed on a discrete conduit cap or an intermediate coupler, for joining sections of conduit.

Abstract: A swivel fitting including a first tubular member and a second tubular member each of said first and said second tubular members having a first and a second end, a first annular flange having radiused corners about said first end of said first tubular member, a recess having radiused corners in a second annular flange about said second end of said second tubular member, said first annular flange and said recess mating upon assembly of said first and second tubular members, an annular threaded portion about said second annular flange, and a coupling nut having an annular ring flange which engages the first annular flange when the coupling nut is tightened upon said threads of the annular threaded portion about the second annular flange.

Abstract: An arrangement for connecting two pipe ends comprising a respective closure part around each of the pipe ends. The closure parts are connected together in a bayonet-type connection. One closure part includes an annular surface with a first part parallel to a sealing device placed between the pipe ends and with a second part inclined with respect to the sealing device. The latter part draws the closure parts and the pipe ends together as the closure parts are rotated relatively toward each other and as the one closure part is guided along the inclined portion of the annular surface. A respective sealing surface is provided on each of the pipe end parts. The sealing surfaces are brought axially toward each other by movement together of the closure parts.

Abstract: A modular pressure regulator/filter wherein the fuel filter is adapted to be attached to a fuel delivery system of an internal combustion engine and the housing thereof has a projecting wall on the filter housing adjacent to a female opening in the fuel filter housing. This projecting wall has at least one slot therein. A clip is provided and includes a disc portion with a central opening therein for selectively receiving a male outlet conduit from the pressure regulator. A clip projection, which is integral with and movably attached to the disc portion, is adapted to be selectively received into the slot in the projecting wall whereby the clip is held from moving away from the projecting wall. An annular projection on the pressure regulator housing is disposed between the disc portion and the clip projection when the clip projection is in the first position thereof for holding the pressure regulator housing in the clip.

Abstract: An improved surgical suction/irrigation probe assembly is provided. The unique suction/irrigation probe assembly comprises a handpiece configured to accept a source of irrigation fluid and a source of vacuum or suction. Further, the handpiece provides a means for a surgeon to select either irrigation fluid or suction. Moreover, the handpiece has an outlet region capable of accepting a rotatable adaptor. The assembly further comprises a rotatable adaptor which is capable of being placed into engagement with the outlet region of the handpiece. Further, a shaft and fitting assembly is provided which is snapped into the rotatable adaptor and which shaft is utilized to supply either irrigation fluid or suction to a surgical site.

Abstract: A detachable, quick connect connector having a retaining spring with jaws for engaging a locking ring of a tube. The connector includes a housing with a chamber for receiving the tube and the retaining spring. The retaining spring has a pair of inwardly directed jaws which are opened by pushing a plate connected by webs to the jaws. When opened, the jaws permit the locking ring to pass through and close to engage the ring when the tube has been fully inserted. A support member projects outwardly from each jaw and is received in a recess formed in the housing wall. The support members have arcuate surfaces to engage a contact surface along the recess to secure the retaining spring axially in the housing. The end faces are beveled outwardly from a radial plane by an angle between 15.degree. and 60.degree. to increase the retaining force of the support members.

Abstract: A releasable connector for connecting tubing such as used in fuel lines has a display member to indicate when positive locking has occurred. The display member member is attached to the outside of the housing of the connector. The display member has a strap supporting a cover portion. The cover portion has a pair of resilient flanges which are insertable into an opening in the housing of the connector. The flanges extend into a chamber to engage an annular ring of a conventional male tube end. The annular portion of the tube end displaces the flanges of the display member after passing through a locking member contained in the housing of the connector. In this way, the tamper indicator indicates that the tube end has been positively received in the locking position.

Abstract: A blow molded drum has a port including a neck with exterior buttress threads and a port opening having a sleeve fusion bonded in the neck. The sleeve having a inner cylindrical sealing surface, and a shoulder. A drop-in down tube assembly seats with the shoulder and has an upwardly extending nipple. Either a dispense head or a closure radially seals within the sleeve and is secured by a retainer with interior buttress threads engaging with the exterior threads on the port neck. The dispense head has a first flow duct extending to a nipple engaging portion to seal with the upwardly extending nipple and a second flow duct leading to an annular space around the nipple for a return fluid line or for providing air or a gas for displacing withdrawn fluid.

Abstract: Quick connect couplings for connecting a small internal diameter brake hose to a formed metal tube in a brake system includes a connector body having a crimp collar at one end and a stepped bore with an entry opening at the other end. The stepped bore includes a first step which is abutted axially by a seal. In accordance with a preferred embodiment, a retaining element axially engages an inwardly extending radial surface in the bore and an annular groove in the tube. In accordance with the preferred embodiment, the retaining ring is integral with the tube and the seal is accomplished by a three lobed seal which is held in abutment with the first step by a Teflon.RTM. spacer, the Teflon.RTM. spacer being engaged by a bead on the formed metal tube.

Abstract: A snap in locking cable connector is composed of two mating pieces that snap together and provide a connector for armored or metal clad electrical conductors. One piece includes a die cast member including a smooth outer cylindrical section having an inner diameter that may accommodate a spring steel adaptor with flanges to hold the spring steel adaptor in place. The spring steel adaptor is used in conjunction with an electrical junction box to fix the location of the locking cable connector with respect to the junction box. Another piece includes a spring steel locking ring provided to receive an armored cable and lock into the die cast member. The spring steel locking ring has tangs allowing unidirectional insertion into the die cast member and restricting withdrawal motion from the die cast member. The spring steel locking ring also includes oppositely directed tangs to permit reception of the armored cable in one direction and restrict its movement in the reverse direction.

Abstract: A multi-strand anchorage system having an anchor body with a tendon-receiving area therein and a channel extending through a wall thereof, and a grout tube extending through the channel so as to have an outlet opening to the tendon-receiving area. The channel opens at an exterior of the anchor body and communicates with the tendon-receiving area. The grout tube has a pronged exterior surface adjacent the outlet of the grout tube. The pronged exterior surface is in abutment with a surface of the anchor body. The grout tube serves to pass grout to the tendon-receiving area. The grout tube has a shoulder formed a distance from the outlet and having a diameter less than the diameter of the channel. An elastomeric annular seal is affixed around the grout tube so as to be in abutment with a shoulder of the grout tube and in compressive abutment with a shoulder in the channel.

Abstract: In its preferred embodiment, a quick connector (10) for connecting a male conduit (12) to a female receptacle (14) has a pair of waist segments (60 and 62), a body segment (56), and a pair of leg segments (68). Each of the leg segments (68) are defined by a pair of projecting elements (76) which are at least partially compressible toward one another thereby causing the pair of waist segments (60 and 62) to move toward one another. A confirmer ring (114) is provided on the pair of projecting elements (76). Confirmation that the quick connector (10) is properly locked in place is made when the confirmer ring (114) is fully seated within a portion of the opening (18) of female receptacle (14). An alternate embodiment provides for use of the confirmer ring (114) as an installing tool when connecting the male conduit (12) with the female receptacle (14).

Abstract: A connector is disclosed before attaching a flexible hose to a rigid tube in which the tube includes an outwardly and circumferentially extending bead around its free end. Both the hose and tube are circular in cross sectional shape. Furthermore, the hose is dimensioned so that, with the hose positioned around the tube and over the bead, the hose stretches outwardly and forms an annular bulge having a predetermined diameter around the bead. The connector includes an annular collar having a sleeve and radially inwardly extending flange at one of the sleeve. A circular throughbore is provided through the flange which has a preset diameter less than the predetermined diameter of the hose bulge around the bead. Similarly, an annular ring has an inside diameter less than the predetermined diameter and the ring is positioned over the hose. The ring and collar are secured together such that the ring and flange are positioned on opposite axial sides of the bead thereby securing the hose to the tube.

Abstract: A plug-in coupling connects a first fluid duct to a second fluid duct. The first fluid duct has at least one retaining rib disposed on an outer peripheral surface thereof. The plug-in coupling includes a sleeve having a plurality of radial openings. Each of the radial openings has a front edge. The sleeve has an inner shoulder disposed on an inner peripheral surface thereof. A cylindrical locking device is received and is axially displaceable within the sleeve. The locking device has at least two axially extending, elastically flexible retaining arms depending from the locking device. A free end of each of the retaining arms is hook-shaped for selectively engaging the retaining rib when the first fluid duct is inserted into the locking device.

Abstract: A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal disposed in the bore for providing a fluid-tight seal between confronting portions of the conduit and the housing, an annular bushing disposed in the bore for positioning the seal and for guiding the one end of the conduit into nesting relationship with the bore, and a retainer detachably secured to the housing and cooperable with an annular projection on the conduit for securing the conduit in its operative position within the bore, the retainer having resilient deformable portions which are adapted to snap over the locking wall upon insertion of the conduit into the housing bore.

Abstract: The invention relates to a hose coupling device, which comprises a male part connectable to a female part. The female part consists of a sleeve, which is provided with a number of resilient tongues extending in equally spaced relationship along the inner wall of the sleeve and protruding inwards form the inner wall and directed away from the mouth of the sleeve. The male part consists of a tube portion with transverse edges in its outer wall. At the insertion of the male part into the female part the resilient tongues are arranged to resiliently snap into place behind the transverse edges of the male part and hence connect the female part to the male part. The parts can be separated by turning them relative to one another to a position where the resilient tongues assume a position laterally of the transverse edges.

Abstract: An air intake system for an internal combustion engine. The air intake system includes an intake manifold (24) with a throttle body (22) mounted thereto. The intake manifold (24) and throttle body housing (26) are both formed primarily from a plastic or composite material. A snap-fit joint secures the throttle body (22) to the intake manifold (24). The joint includes a pair of mounting flanges (46,48), with the throttle body flange (46) including a set of lugs (54), and the manifold flange (48) including cutouts (56) and ramps (58) for receiving the lugs (54). The throttle body flange (46) also includes a loop hook (76) and gasket (52), which mate, respectively, with retention surfaces (84) and a sealing surface (70) on the manifold flange (48). The throttle body (22) also includes a main bore extension (62) with pilots (66) that mate with an entrance region (68) in the manifold (24).

Abstract: A quick connect coupling is disclosed for use with a tubular conduit having a radially outwardly extending bead adjacent a free end of the tubing. The coupling includes an elongated tubular and cylindrical housing having an axial passageway formed through it which forms a fluid passageway and is open at both ends. One end of the housing has a enlarged diameter internal bore portion adapted to axially receive the free end of the conduit including the conduit bead as the conduit is inserted to a magnet position. A retainer within the internal bore portion of the housing lockingly engages the conduit bead when the conduit is moved to its connected position while fluid seals engage the outer periphery of the conduit. A one way valve is also contained within the housing passageway which permits fluid flow in only one direction through the housing passageway.

Abstract: A quick connector releasibly connects first and second conduits fixedly mounted in first and second, interconnectable connector bodies. The first body has an axially extending tubular first end, a frusto-conical portion, a reduced diameter shaft and an enlarged second end. A pair of angularly inwardly extending latch arms project from the second body to releasibly engage a peripheral edge on the frusto-conical portion of the first body.

Abstract: An oil-pipe for an auto-engine has a quick-connect coupling. The pipe has a cold-pressed end-shape, which includes a radial flange. A clip abuts the flange, and secures the coupling. The larger the area of the flange, the more secure the clip, and a recess formed into the wall of the pipe immediately behind the flange adds area to the flange without requiring that the flange have a large external diameter. The recess can be rolled in, or can be formed by cold-pressing.

Abstract: A quick connect coupling having a male part and a female part in which the female part includes a housing open at one end. The housing also forms a generally cylindrical internal chamber adjacent to and aligned with the open end of its housing. An annular and readily inwardly extending lip is also provided around the open end of the housing. A retainer constructed from an elongated band of a resilient material, such as spring steel is formed into a tubular cylindrical shape having a diameter at least as large as the diameter of the chamber. In addition, the band is dimensioned such that one end of the band overlies the other end of the band. A plurality of locking tabs is secured to and extend radially inwardly from the band. The retainer is radially inwardly compressible and insertable into the open end of the housing such that, after insertion, the retainer expands radially outwardly so that an outer end of the retainer is entrapped by the lip.

Abstract: A joint structure connected to an air intake passage is composed of a throttle body having a set of a groove and a chamfered surface formed on an outer surface thereof diagonally opposite to each other and a joint member having a flexible arm and a rigid arm. The flexible arm has a ridge in engagement with the groove of the throttle body, and the rigid arm has a sloped surface in engagement with the chamfered surface of the throttle body.

Abstract: A coupler apparatus for use with ducts is used on a multi-strand post-tensioning system. The coupler includes a tubular body with an interior passageway between a first open end and a second open end. A shoulder is formed within the tubular body between the open ends. A seal is connected to the shoulder so as to form a liquid-tight seal with a duct received within one of the open ends. A compression device is hingedly connected to the tubular body for urging the duct into compressive contact with the seal. The compression device has a portion extending exterior of the tubular body. The compression device includes an arm with an end hingedly connected to the tubular body and having an abutment surface adjacent the end. The arm is movable between a first position extending outwardly of an exterior of the tubular body and a second position aligned with an exterior surface of the tubular body. A latching member is connected to an opposite end of the arm to affixing the arm in the second position.

Abstract: A retainer for releasably locking together the male and female component of a quick connector. The retainer is releasably insertible into a transverse bore in the female component and includes a surface slidable over a radial flange on the male component only when the male component is fully seated in an axial bore in the female component. The engagement of the surface and the radial flange on the male component permits full insertion of the retainer into the transverse bore in the female component and around the male component to lock the male and female components together. Lock projections on the retainer engage grooves in the housing to releasably lock the retainer in a partially inserted, shipping position in the transverse bore and engage exterior lock surfaces on the housing on full insertion of the retainer to prevent separation of the retainer from the female component.