Abstract: A coupling assembly includes a female member having a receiving end with an axially extending passageway and inwardly facing groove extending outwardly from said passageway in a position spaced from the receiving end. A split metal locking ring is positioned in the groove. A male member is sized to be received in said receiving end and includes a rib having (i) a ramp tapering in a direction away from the forward end and away from the axis at an angle in the range of 10.degree. to 25.degree., (ii) a cylindrical surface parallel to the axis extending rearwardly from the ramp a distance of at least 0.010 and preferably 0.030 inch and (iii) a shoulder tapering away from the forward end and inwardly toward the axis.

Abstract: A quick connector has a pair of waist segments, a shoulder segment, a body segment with an aperture therein, and a leg segment. The leg segment is defined by a pair of projecting elements which are at least partially compressible toward one another thereby causing the pair of waist segments to move toward one another. Thus, a swivelable connection is made which has the equivalent length and diameter of a convention nonswivelable threaded coupling. The quick connector may be released by hand or a snap ring tool inserted into holes.

Abstract: This invention relates to a connector of a quick connection allowing tight connection of a rigid tube provided, at some distance from its free end intended to be fitted in the inlet of the connector, with a bead projecting radially with respect to the outer surface of the tube and presenting a substantially radial side opposite said end. The connector presents a first inner housing comprising an O-ring capable of coming into contact with the outer surface of the tube between its free end and its bead and a second inner housing to receive a locking ring elastically deformable in the radial direction. The locking ring is formed by a thin metal band presenting a generally oblong profile, the central region of said ring being constituted by substantially cylindrical portions whose diameter in the free state is at the most equal to the diameter of the tube.

Abstract: A release member for a quick connector engagable with a fitting. The release member includes a body formed of a resilient material and having first and second end portions, with a slot extending longitudinally through the first and second end portions for mounting of the release member over the fitting and to enable axial sliding movement of the release member through an open end of the quick connector into engagement with a retainer mounted within the quick connector to effect release of legs of the retainer from an annular flange on the fitting and disengagement of the connector from the fitting. A radially enlarged flange is formed between the first and second end portions to form a tool engagable surface on the body for forcible sliding movement of the body into the open end of the connector. Alternately, a recess or a projection may be provided on the body to form the tool engagable surface.

Abstract: A releasable plug-in connector having a tubular plug-in part with a peripheral retaining rib, a housing having a cylindrical receiving space having a central axis for receiving the plug-in part and at least one opening in a side wall of the housing communicating with said receiving space and a separate retaining ring of a hard, resilient plastic material and having radially inwardly directed, elastically sprung retaining edges for engaging behind the retaining rib of the plug-in part after the plug-in part has been inserted into the receiving space of the housing to lock the plug-in part in the housing. The retaining ring is insertable through the opening in the housing and into the receiving space so that the ring is retained against axial movement by the housing while the retaining edges are concentric with the axis of the receiving space, the retaining edges being able to be pushed apart in a radial, direction to release the plug-in part by pressing in on the ring through the opening.

Abstract: A push-fit connector for joining two fluid lines (1, 4), one of which is provided with a retaining rib (2), has a sleeve (5) with radial apertures (12, 13). A latching device (6) which can be inserted into the sleeve (5) has retaining arms each provided with a hook (20) for gripping behind the retaining rib (2) and a radially external inclined surface (21). When the sleeve (5) and latching device (6) move apart, the inclined surfaces (21) are compressed against a front edge of an aperture (12) receiving the hook (20) in an axially displaceable manner, so that the hook (20) stays correspondingly more tightly engaged with the retaining rib (2). When the latching device (6) and the inserted fluid line (1) are pulled apart, a radially internal inclined surface (23) of the hook comes into contact with the retaining rib (2) so that the retaining arms (18) are spread apart and make uncoupling possible.

Abstract: A quick connect coupling for connecting two fluid conduits has a coupling ring form-lockingly connected to a sleeve which embraces the first fluid conduit between two corrugations and is provided with elastically flexible retaining arms. The arms can grip a radial securing surface of the second fluid conduit upon axial engagement of the fluid conduits to form an axial connection therebetween. A sealing ring is arranged in an annular space delimited by the mutually engaged fluid conduits, an inner shoulder of the second conduit and the front corrugation. The second conduit has a conical flank which widens radially towards its free end.

Abstract: A coupling device for a tube, the device comprising a body provided with a bore for receiving the end of said tube, and means for retaining the tube in the bore, which means are constituted by an elastically deformable washer that is substantially frustoconical in shape whose inside circumference is of a diameter smaller than the outside diameter of the tube and which is subdivided into a plurality of teeth, the outside portion of the washer being disposed in a groove formed in the bore. Each tooth possesses a short root portion which, at rest, extends in a radial plane, and an active portion that is inclined relative to the radial plane of the root, and each tooth is connected to the teeth adjacent thereto via small section peripheral link portions of length not less than the length of each tooth.

Abstract: A detent for releasably securing an inner telescoping tube within an outer telescoping tube. The said tubes having alignable openings in the walls thereof for receiving the detent. The detent is formed by a detent pin which extends through the tube wall openings and releasably latches the tubes together. A leaf spring secured at the inserted end of said inserted tube extends within the outer tube into supporting and biasing engagement with the detent pin. The spring biases said pin into the latching position. For releasing the detent, a bell crank is pivotally mounted within the inserted tube. One end of the bell crank is engaged with the locking pin and biasing spring and the other end is secured to an actuating knob which extends through the wall of the inserted tube.

Abstract: A quick connector coupling for forming a joint in a fluid line includes a female connector body having a bore which receives a male member. A manually operable retention clip has legs which extend through slots formed in the connector body. The legs are positioned between an upset formed on the male member and the entrance to the bore to prevent removal of the male member from the connector body. Operating tabs formed on the retention clip are manually operable to spread the legs apart a distance sufficient to permit withdrawal of the male member from the connector body.

Abstract: This connector assembly comprises a connector body which defines a housing. The housing includes a cavity which is designed to receive a piston, capable of back and forth movement within this cavity. This piston includes a biasing element for urging the piston into the forward direction of the cavity. The piston is engaged with the end of an endoscope tube in the front of this cavity. The piston further includes an orifice which fluidly connects the endoscope tube end to a flexible hose in the back of this piston. The endoscope tube is held in place by jaws which slide back and forth in channels in the front of the connector body, perpendicular to the piston cavity. These jaws also include biasing elements which urge the jaws into mechanical engagement with the rigid tube.

Abstract: The disclosure relates to a tube coupling comprising a coupling body, having a throughway open at one end to receive a tube. A first collet is mounted in the throughway to grip the tube and resist extraction of the tube from the throughway. A cap is mounted to extend over the open end of the coupling body to house a second collet arranged head to head with the first collet. The second collet is engageable with an annular abutment on the tube to retain the tube in the coupling body. A single release means in the form of plunger elements is provided on the cap to act on the collets to allow release of the tube from the coupling body.

Abstract: A coupling for quickly connecting a cement head to a casing of an oil or gas well comprises tube-shaped upper and lower bodies that connected to each other and are telescopically adjustable. The upper body receives the cement head and the lower body attaches to the casing. A clamp mechanism utilizing split ring segments is located in the lower body and is actuated by a piston for quickly attaching or releasing the lower body to and from the casing.

Abstract: An improved joint for coupling flexible hoses for forming an air or oil supply system for an automobile or outdoor machines and equipment. The joint is provided with hose clamp means such as a collet which bites the outer peripheral surface of the top end of the hose inserted into the joint and a cover member for controlling the movement of the hose and at the same time, it is provided with several means for sealing the hose with respect to the joint so that the entry of water into the joint can be completely prevented and the corrosion of the joint elements and the hose within the joint can be eliminated to thereby keeping the sealing property of the joint for a long time.

Abstract: A coupling for holding two tubes together and including a housing member connected to the end of one of the tubes and a locking collar rotatably mounted in said housing for rotation between a first rotative position in clamping engagement with an end of a second tube inserted into the housing and into fluid communication with the first tube and a second rotative position permitting insertion of the end of the second tube into the housing.

Abstract: The present invention is a high pressure quick connector especially for use in connecting brake lines of a vehicle. The connector includes a housing which selectively receives a tube retainer cap. Retaining means such as a garter spring or snap ring allow for a low force insertion of the cap into the housing with an very high pull-off force. The cap is used to trap a tube with a bead upset, and the tube may be removed after the cap is unlocked. A second way of releasing the tube includes the use of a tube retainer plug selectively received in the cap, the upset trapped between the plug and cap. The plug can be removed while the cap is still locked in the housing, releasing the tube. A release tool may be used to unlock the cap from the housing. An insertion indicator ring is used to establish the locking of the cap within the housing. A dust boot prevents contaminants from interfering with the operation of the connector.

Abstract: A releasable plug-in connector for receiving a tubular plug-in part having a peripheral retaining rib. The plug-in connector consists of a housing having a cylindrical receiving space for receiving the plug-in part, and a separate securing ring made from a hard/resilient plastic material. The ring has retaining edges directed inwardly in the form of an arc of a circle that are pushed apart as the plug-in part is pushed into the connector and that then spring back elastically and engage behind the retaining rib after the plug-in part has been pushed in to lock the part in the connector. The retaining edges are connected to one another at their ends by a pair of V-shaped spring webs that are accessible from the outside of the housing so that they can be pushed into an unlocked position permitting the part to be pulled out of the connector.

Abstract: The disclosure relates to tube couplings having a moulded plastics coupling body with a throughway having a tapered cam surface extending to an open end. A moulded plastics collet is located in the open end of the coupling body and has an annular portion with an encircling flange at the outer end of the body and four equi-spaced slots extending into the collet from the other end to divide the collet into four resilient fingers which are pressed inwardly by the tapered cam surface to engage and grip a tube extending through the collet into the body. The slots have T-shaped ends adjacent the annular part of the collet to increase the flexibility of the fingers at their roots.

Abstract: A tieback system for a subsea well employs a tieback member that can be utilized in the event tieback threads in the casing hanger become damaged. An annular groove is formed in the bore of the wellhead housing above the casing hanger. The tieback member connects to tieback conduit and has a lower end that slides into the interior of the casing hanger. A locking device will lock the tieback member to the groove in the wellhead housing. The locking device includes a retainer which carries a radially movable locking members that are cammed outward by downward movement of the tieback member relative to the retainer.

Abstract: A quick connect fluid coupling is disclosed for use with a fuel tank having an opening. The coupling includes a coupling body having a tubular retainer housing and a tubular fill tube which is telescopically positioned through the retainer housing. The retainer housing also includes an outwardly extending flange which abuts against the outer surface of the tank around the tank opening. The fill tube is telescopically received within the retainer housing and is movable between a locked position and an unlocked position with respect to the retainer housing. The fill tube is also smaller in cross sectional shape than the tank opening so that the fill tube can be positioned through the tank opening and within the interior of the tank.

Abstract: A fluid coupling wherein a tubular coupling member has a first terminal sealingly engageable with an end of a first conduit and a second terminal sealing engageable with an end of a second conduit. The end of the second conduit has a radially outwardly extending retaining flange and the coupling member has a set of radially movable resilient arms which engage the flange when the second terminal is in proper engagement with the end of the second conduit. The arms can be prevented from becoming accidentally disengaged from the flange by one end portion of a sleeve which is reciprocable along and surrounds the coupling member. The sleeve can be releasably locked in a release position in which the arms are free to become disengaged from the flange and/or in a locking position in which the sleeve prevents disengagement of the arms from the flange.

Abstract: The present invention relates to an improved connector for joining two tuar members together. The connector is formed by a plurality of longitudinally extending fingers extending from an end of one of the tubular members and at least one locking groove in the other of the tubular members for receiving the fingers. The connector further includes a circumferentially extending wire member which is received in a notch in a head portion of each of the plurality of fingers. The wire member is preferably formed from a shape memory alloy and has an original circumference less than the circumference of a circle formed by the notches in the head portions of the fingers. The connector includes apertures through which electric wires may be connected to the shape memory alloy ring member so as to cause the shape memory alloy ring member to return to its original shape and allow release of the joint connection.

Abstract: A jointing device, which permits quick connection and disconnection of a corrugated flexible conduit, comprises a joint body having a cylindrical connector section for receiving the conduit, the connector section being formed with receive holes arranged circumferentially thereof, and a clasp axially slidably mounted on the joint body. The clasp has an outer cylinder axially slidably fitted on the connector section and covering the receive holes formed in the connector section, an inner cylinder slidably fitted into the connector section for receiving the conduit, and locking members connected at their respective fixed ends with the inner cylinder. The outer and inner cylinders are connected with each other. The locking members each have a free end portion thereof formed with a claw engageable with and disengageable from the conduit. The free end portion of each locking member is received in a corresponding receive hole when the free end portion is pushed radially outward by the corrugated flexible conduit.

Abstract: A coupling for a corrugated conduit has a body with a rotatable retaining ring. The ring has inwardly-projecting locking bars with two finger grips which project outwardly through slots in the body. When the finger grips are held and the ring is rotated, the locking bars are displaced inwardly to lie between adjacent corrugations of the conduit and retain it in the coupling.

Abstract: This fitting is of the type whose body has a cross bore and at one end, means to connection to one of two elements to be connected using said tubes while at its other end it has an annular chamber coaxial to the bore meant to receive one end of a tube by simple engagement, the chamber holding various annular mechanisms to retain the tube, coaxial to the chamber and arranged between its wall and the tube, that is, a retainer ring partially closing the chamber and able to slide in it, a waterproof seal and a part with radial prongs. According to the invention, the fitting is made up of, on one hand, a body 4 having said cross bore 10 and said connection means 11 and 12 and, on the other hand, of a bushing 5 which can be assembled in the body 4, limiting said chamber 20 and made up of means 30 to 33 for retaining the various aforementioned mechanisms 21, 22 and 23 which it holds.

Abstract: Connectors with a lever in which a pair of male and female connectors are mated with and disconnected from each other by rotating the lever. The lever having cam grooves and a lock portion is rotatably attached to the female connector. Cam pins are attached to the male connector. When both connectors are initially mated with each other, the cam pins engage with the cam grooves, and when the lever is rotated in a direction in which both connectors are mated with each other, the male connector moves toward the female connector. An elastic locking member is interposed between the lever and the female connector. An operational portion, reverse spring portions for urging the lever toward a direction opposite to that in which both connectors are mated, and lock spring portions to be engaged with the lock portion of the lever so as to maintain the lever in a locked position, are all integrally formed in the elastic locking member.

Abstract: A high pressure quick connector having a tube which includes an upset adjacent one end. A male locking assembly is positioned about the tube and includes a cavity enclosing the upset and a contoured outer surface defining first and second grooves spaced axially along the male locking assembly. A female member having an internal bore is adapted to receive the male locking member. The female member has an internal bore that includes a locking groove. An expandable annular locking ring is mounted about the contoured outer surface and the locking ring is initially mounted in the first groove and is slidable from the first groove to the second groove upon axial movement of the male locking assembly into the female member.

Abstract: A connector for coupling pipes having a small diameter includes a generally cylindrical main body 1 having a connecting end portion 2, a small-diameter chamber 3' which is larger in diameter than the bore of the end 2, and a large-diameter chamber 3. The end portion 2 and the chambers 3' and 3 are coaxially connected with one another. The large-diameter chamber 3 is surrounded by a wall having a pair of window openings 9, and a pair of resilient arms 7 each lying in one of the window openings 9 and having a radially inwardly bent pawl 5. The small-diameter chamber 3' contains seal rings 6, a bush 12 and a sleeve 13 positioned on the opposite side of the seal rings from the bush, which are all fitted about a pipe P connected in the main body 1. The large-diameter chamber 3 contains a cylindrical holding member 8 having an inner surface portion engaged with a wall portion of the pipe P, and an outer surface having a shoulder against which the pawls 5 are held.

Abstract: A quick connector includes a male member, a female member and an engager claw member. The male member includes a ring-shaped engager. The female member includes a receiver hole having an opening into which the male member is inserted, a ring-shaped stopper surface disposed oppositely to the opening, and a regulatory inner peripheral surface extending from the periphery of the stopper surface in an axial direction. The engager claw member disposed in the receiver hole of the female member, and it includes a ring-shaped base disposed movably in an axial direction, arms extending from the base to the opening in an axial direction and adapted for being elastically deformable in a radial direction, and a claw disposed so as to extend from each of the arms and adapted for engaging with the engager of the male member.

Abstract: A coupling for a resin tube is provided with a body having opposed front and rear ends. The large diameter chamber extends into the rear end and a communication hole extends into the front end. A small diameter chamber connects the communication hole and the large diameter chamber. A seal is disposed in the small diameter chamber for sealing engagement with both the body and the resin tube to be coupled. A split annular grip with an inwardly directed annular pawl also is disposed in the small diameter chamber and is dimensioned for surrounding the tube. The outer circumference of the grip is tapered to define a minor diameter adjacent its rear end. A holding member has a front end with an internal taper engaged with the grip. The rear end of the holding member is releasably engaged with the rear end of the body. The tube can easily be inserted in a forward direction through the split annular grip for engagement by the seal.

Abstract: A releasable connection made of plastic includes a sleeve-shaped central body having a first end connectable with a tube-shaped part and a second end axially receiving a junction piece having a circumferentially extending clamping rib. A rotatable clamping sleeve encircles the second end of the central body. The central body includes at least two radially deflectable resilient locking tabs with a cam surface on the interior of the clamping sleeve acting to selectively deflect the locking tabs radially inward to engage the junction piece. A first of the tabs is located to engage closely adjacent the clamping rib to prevent axial withdrawal of the junction piece and a second of the tabs is located at a position axially spaced from the first tab to radially position and stabilize the junction piece in the central body.

Abstract: One-piece garter spring coupling release tool. The release tool is molded in a single selectively configured shape out of a durable, flexible plastic material such as Elastollan.TM. S98A available from Elastogran of Germany. The release tool generally comprises a cylindrical body with a slot along its length and a flange on one end. The slot permits the tool to be positioned around a port to which a garter spring coupling is connected; the flange provides an area for gripping the tool to releasably engage the tool with its coupling. The flexible, slotted configuration of the garter spring coupling release tool permits nesting of a four-piece set of such tools within each other to facilitate packaging, storage and retention of the tools as a set.

Abstract: This device, in which the tubular element (1) is fixed to the spigot (2) by maintaining and sealing means (4), is characterized in that the maintaining and sealing means comprise two sleeves (5,6) coaxial with the spigot, one of the sleeves being an outer sleeve (5) connected to the component (3) and comprising resiliently deformable branches (10,11) biased in the direction toward the spigot, there being provided at the end of each branch a hooking portion projecting inwardly of the outer sleeve, and the other sleeve being an inner sleeve (6) comprising an abutment surface (7) and mounted to be axially movable between the outer sleeve (5) and the spigot (2) by the bearing of the tubular element (1) against the abutment surface (7), between a mounting position in which the inner sleeve (6) maintains the branches (10,11) of the outer sleeve (5) spaced away from the spigot (2), and a hooking position in which the inner sleeve releases the branches (10,11) of the outer sleeve (5), so that the hooking portions of

Abstract: A detachable push-in connector for semirigid pipes, consisting of housing (1) having a through hole (2) and a plurality of cavities increasing step-wise in size to receive a pipe (3), and a sealing ring (7). Sealing ring (7) is preceded, in the push-in direction of pipe (3), by a retaining ring (14) having inwardly projecting spring tongues (16) capable of opening out elastically and that is held in place by a supporting ring (17). Tongues (16) form a flat truncated cone whose tip points in in the push-in direction. Between retaining ring (14) and sealing ring (7) is a stop ring (9) having a conically bevelled inner portion in the region of spring tongues (16) to permit them to open out. A disconnecting ring (22) axially slidable relative to supporting ring (17) is disposed upstream of retaining ring (14) in the push-in direction and has a conical forward edge (23) for spreading out spring tongues (16) of retaining ring (14 ) when disconnecting ring (22) is pressed into housing (1).

Abstract: This invention is regarding to a fast connection joint for pipe fitting, particularly for those applications where prevention of water spraying in large quantity is required. Its structural design allows connecting or disconnecting an external pipe or faucet, without the need to shut off the water automatically opens when a pipe or faucet is inserted into the connection joint and automatically closes when the pipe or faucet is withdrawn.

Abstract: A quick connector includes a male member, a female member, an engager claw member and an urging member. The male member includes an engager at an end. The female member includes a receiver opening, and a inner peripheral surface at least. The engager claw member is disposed relatively movably in an axial direction in the female member, and includes a flange, an engager claw adapted for engaging with the engager of the male member, and a projection adapted for engaging with the inner peripheral surface of the female member at least. The urging member is interposed between the female member and the flange of the engager claw member, and urges the engager claw member outward to the receiver opening of female member. The projection of the engager claw member engages with the inner peripheral surface of the female member, and simultaneously the engager claw of the engager claw member engages with the engager of the male member.

Abstract: A joint for connecting a corrugated pipe to another member includes a cylindrical body having an annular step portion formed in its inner part and adapted to be brought into contact with a front end of a corrugated pipe; a chuck having an annular body which includes a forward end part of an inner diameter substantially equal to or slightly smaller than an outer diameter of the corrugated pipe and which exhibits elasticity by which the chuck can contract and expand in radially inner and outer directions, an engaging portion formed on an inner periphery of its forward end part for engaging an outer periphery of the corrugated pipe, and a locking portion formed on an inner periphery of its rearward end part, the chuck being engaged with the outer periphery of the corrugated pipe in the cylindrical body so as to be capable of moving the corrugated pipe into the cylindrical body integrally with the chuck; and a push cylinder having a counterpart locking portion formed on an outer periphery of its forward end part

Abstract: A suture sleeve assembly for gripping and anchoring the lead body of an implantable medical device, such as a cardiac pacemaker, includes a tubular member adapted to receive the lead body. Disposed about the tubular member is a collar movable longitudinally along the tubular member from a first, open position to a second position in which the collar compresses a portion of the tubular member into gripping engagement with the outer surface of the lead body. The collar is fabricated of a material that is stiffer than that from which the tubular member is fabricated.

Abstract: A coupling assembly for connecting two members that includes an annular locking ring. The assembly further includes a first member and a second member. The first member has an exterior surface having a groove for receiving the locking means. The second member has an inner surface having a cavity for receiving the locking means. The first and second members are secured together when the locking ring is engaged in the groove and the cavity.

Abstract: A device for simultaneously coupling two pipes with two hoses has a discrete tubular connector for each hose, and each connector has flexible arms with pallets which can engage external retainers on the pipes. The connectors are more or less permanently secured to the respective hoses and are separably connected to each other by a flexible holder having C-shaped collars receivable in external grooves of the connectors and one or more flexible webs which connect the collars to each other. The flexible holder compensates for eventual departure of the distance between the pipes from an optimum distance and/or for absence of exact parallelism of the pipes with one another. When a connector is separated from the holder, it can be used as a constituent of a simple hose coupling, namely to connect the end portion of a hose to a nipple, to a pipe or another tubular component.

Abstract: A pipe connector comprises a pipe connector body, said pipe connector body including: a first portion of a diametrically larger inner cross section adjacent a mouth of said connector and a second portion of a diametrically smaller inner cross section extending inwardly from said first portion; an O-ring inserted in said second portion for establishing airtight seal between said second portion and the leading end of an inserted pipe; a spring receiver and a stop ring secured in said first portion; a circular groove formed between said spring receiver and a stop ring in said first portion; an annular plate spring having a plurality of inwardly extending resilient pawls that may engage with the groove formed on the outer surface of the pipe inserted, for preventing the inserted pipe from slipping off the connector; and a push member slidably inserted in said stop ring, said push member having a rear end extending from the mouth of the pipe connector body, and a leading end which, when pushed in for disconnection

Abstract: A quick connector includes a first member, a second member, an engager claw member and an urging member. The first member includes a first tube and a ring-shaped projection. The second member includes a socket at an end thereof, the socket including a tapered regulatory inner peripheral surface. The engager claw member is made movable in an axial direction of the socket, disposed in the second member, and includes a ring-shaped base, a plurality of arms being deformable in a radial direction and a claw extending from an end of the arms and engaging with the ring-shaped projection of the first member. The urging member presses the engager claw member onto the tapered regulatory inner peripheral surface of the socket, and urges the claw inwardly in a radial direction.

Abstract: An improved releasable coupling for a tube is disclosed. The coupling contains a socket with at least four stepped bores. Located within the first bore is a compresion means (such as a collar) which has an inner surface inclined to the axis of first bore. A collet is mounted within the compression means and is so configured that, when the collet is caused to move inwardly, the inclined surface of the compression means causes the jaws of the collet to move inwardly. The coupling also contains a tube support located within the second bore. At least four sealing means are disposed within the third bore: a first O-ring is contiguous with a first washer, which in turn is contiguous with a second O-ring, which in turn is contiguous with a second washer.

Abstract: A separable device for connecting tubular elements, hoses, rods or the like, comprising a tubular housing and a clamping member. In such a connecting device, a passage is formed in the tubular housing and comprises at least near one end a portion which is enlarged in diameter and which conically tapers toward the exit cross-section of the passage. The clamping member consists of a tubular member, which has an inside diameter that corresponds to the outside diameter of the tubular member, hose, rod or the like, and an outside diameter that corresponds to the diameter of the exit cross-section of the tubular housing. The tubular clamping member is adapted to be inserted into the tubular housing and into the enlarged portion to be retained therein by an enlarged end rim consisting of an annular bead, the outside diameter of which is smaller than the inside diameter of the enlarged portion but larger than the exit cross-section of the passage.

Abstract: A fluid line connector fitting is provided which has first and second generally tubular members, one end of the second member being slidably receivable within the first member. Releasable locking means are also provided to prevent withdrawal of the second member from the first member. The releasable locking means are releasable by the action of a release means which reacts to longitudinal movement of the second member toward the first member.

Abstract: An improved quick connect and disconnect pipe joint fitting has a cylindrical body with a truncated cone-shaped internal wall. A sleeve having a plurality of spaced-apart tabs on the end thereof is received in the sleeve. The tabs each have a straight inner surface and a cone-shaped outer surface, the outer surface cooperating with the cone-shaped inner wall of the hollow cylinder. When a pipe is inserted in the sleeve received in the hollow cylinder, the tabs are moved outwardly. When the sleeve is moved outwardly from the hollow cylinder the smooth inner surfaces of the tabs are wedged against the pipe, thereby locking the pipe in the pipe joint fitting.

Abstract: A tube coupling and combination retainer and disassembly tool includes a first tube having a first end portion for telescopically receiving a second tube therein and a second tube having a second end portion including a structure for telescopically engaging the first end portion and a first fastening device for securing the first and second end portions to each other. A tube coupling and retainer according to the present invention further includes a second fastening structure for selectively securing the first and second end portions to each other and for disengaging the first fastening structure upon demand.

Abstract: A one piece female coupling member (24) having a front end and back end, the female coupling member (24) defining a path (34) for the flow of fluid therethrough. A male coupling member (22) having a front end and a back end and defining a path (32) for the flow of fluid therethrough, the front end of the male coupling member (22) being insertable into the front end of the female coupling member (24). A seal (36) cooperates with an external surface of the male coupling member (22) and an internal surface of the female coupling member (24) for providing a fluid tight seal therebetween. A one piece quick connecting/disconnecting clip member (26) is slidably mounted in a slot (58) of the female coupling member. The clip member (26) is slidable between a connecting position wherein it engages the male coupling member and a disconnecting position wherein it is disengaged from the male coupling member, the clip member (26) being biased toward the connecting position by a resilient biasing member ( 74).

Abstract: A rapid coupling arrangement, especially for engine blocks of internal combustion engines in which all bores in the engine block are non-threaded bores which can be made in a single operation. The coupling arrangement further includes a bushing member which assists in retaining a spring member that can lock a tubular connecting member in place after its insertion into the bushing and engine block.

Abstract: The disclosure relates to a tube coupling sleeve having a throughway open at one end to receive an end part of a tube to be coupled therein. The sleeve has an end stop spaced from the open end to define the limit of insertion of the tube in the sleeve and an inner integral hollow spigot extends along the sleeve from the end stop through the open end of the sleeve to project into the tube. The outer surface of the spigot has annular ridges or ribs to grip the inner surface of the tube and hold it in place. The closed and of the sleeve has an encircling head to fit in a bore in a body and the head has an encircling steel star washer to lock the head in the bore.