Abstract: A quick connector for connecting to a male end of a component includes a housing having a head portion and a body defining a central bore which receives a male end of a component therein. A latch and latch indicator are slidably mounted within the head portion for retaining the male end within the central bore. The latch indicator is offset relative to the latch to provide a visual indication that the component is coupled with the quick connector.

Abstract: Ambulatory infusion pumps, medicament reservoirs, and plungers, including both dynamic and static seals, plus related components, as well as component combinations and related methods.

Abstract: The invention relates to a connector (2) comprising a connector body (5), the connector body (5) having at least one sleeve-type outer casing section (13) which when viewed in cross-section surrounds a central longitudinal axis (8) of the connector (2). At least two passages (33) are formed in the outer casing section (13), the passages being provided for receiving an end section of a locking element (6). The locking element (6) is designed to secure the connector (2) relative to a mating connector (3), and a retaining element (38) for securing the locking element (6) is arranged in at least one of the passages (33). The retaining element (38) is designed as a formed sheet metal part and a separate retaining element (38) is provided for each passage (33?).

Abstract: A quick connection structure of a faucet outlet pipe includes an upper pipe, a lower pipe, and a connector. The upper pipe and the lower pipe are connected through the connector in a quick manner. The connector includes a connecting sleeve, a left elastic block, and a right elastic block. A central portion of the connecting sleeve is transversely formed with an opening. The left elastic block and the right elastic block face each other and are movably installed in the opening to hold against the upper pipe elastically. A top of the connecting sleeve is formed with a receiving hole for insertion of the upper pipe. A bottom of the opening is formed with a connecting hole to mate with the upper pipe. The connecting sleeve is provided with a connecting post extending downward from the connecting hole for connection of the lower pipe.

Abstract: The modular irrigation valve housing comprises a waterproof enclosure that is placed into the ground to house an electrically operated valve. An inlet pipe and an outlet pipe couple to the valve via slip assemblies that slide in and out of the pipes to adjust the distance between pipes and the valve. The slip assemblies mate with receivers that can be coupled to the intake and output of the valve. The slip assemblies comprise double O-rings on one end and a single O-ring and a retaining ring on the other end to form leak proof connections. The box comprises a lid to cover the box, an internal electrical housing for watertight electrical connections to the outside, and a locator device that makes it easier to find the valve when it requires maintenance.

Abstract: An adapter for connecting components in a fluid system has an adapter body defining a cylindrical space and lock buttons which are biased into a locked position to secure the adapter to another component. The adapter body has a circular collar defining an inlet into the cylindrical space, a channel defining an outlet out of the cylindrical space, a support wall and a support flange defining one or more cutouts in an outer cylindrical side wall of the adapter body, and a slot defined between the collar and the support wall connecting the one or more cutouts to the cylindrical space. The lock buttons have a contact element positioned in one of the cutouts and an arm projecting positioned in the slot. The arms are partially in the cylindrical space in the locked position and are movable into an unlocked position when the contact elements are moved toward each other.

Abstract: There is provided an inkjet printing apparatus including: a print head having an ejection opening surface on which a first ejection opening array capable of ejecting a first ink and a second ejection opening array capable of ejecting a second ink are arranged; a cap member; and a print controller configured to cause the first and the second ejection opening arrays to perform preliminary ejection to an inside of the cap member, and to cause the first ejection opening array to perform preliminary ejection in a first relative position and cause the second ejection opening array to perform preliminary ejection in a second relative position, wherein, on the cap member, a position in which the second ink lands by the preliminary ejection overlaps with an area where the first ink lands by the preliminary ejection.

Abstract: A connector assembly connecting cables for power transmission may be provided. The connector assembly includes: a first linking body connected to one cable; a second linking body connected to another cable; a coupling member which is coupled to the first linking body and the second linking body and includes a catching groove formed on one end thereof and a catching opening formed along a circumference of the other end thereof; and a spring which includes two L-shaped rods and a bridge connecting the L-shaped rods, the bridge being coupled to the catching groove when the spring is mounted on the coupling member, the two L-shaped rods being coupled to the catching opening.

Abstract: In a quick connector of the present invention, each of a pair of retaining legs includes a guide protrusion guided by the outer peripheral face of an annular boss to spreadingly deform each of the pair of the retaining legs when a pushing-in load is applied to a retainer in a state where the retainer is located at an initial position and in a state where a pipe is inserted into a normal position of the connector body and at the same time releasing the movement restriction of the retainer from the initial position to a confirmation position by the spreading deformation of each of the pair of the retaining legs.

Abstract: A Detachable Tube Coupling System comprised of a plurality of base and coupling modules formed with a mechanical interface which includes a locking line, an inner tube and having an exterior surface with a circumferential interior groove, an O-ring and an outer tube formed with a circumferential interior groove in the interior surface and an exterior notch formed in the outer tube in communication with the interior groove.

Abstract: A connection system of piping for distribution systems of pressurized or depressurized fluids, the system including: —a connection joint having an insertion portion insertable in the piping so as to seal it and a retention portion, projecting therefrom when the joint is inserted therein; —a retainer suitable to longitudinally retain the connection joint to the piping, said retainer including: i) a retention element which engages the retention portion for constraining the joint longitudinally; and ii) clamping element adapted to exert a clamping force to lock the retention element to the piping.

Abstract: A modular fluid connection assembly includes a female connector (1) for fluid connection, provided to receive a male connector (2) having an external annular retaining rim (24), the female connector including a body (10) with an axial bore X, and a slide forming a transverse housing (4), the housing (4) including two parallel lateral grooves (41, 42) and the housing opening at at least one of its ends (40) along the direction of the slide Z, the assembly including a non-unlocking locking element (3), in the form of a deformable locking ring (3), the assembly including an unlocking locking element (5), in the form of a locking slider (5), in which the female connector is configured to receive equally either a non-unlocking element, or an unlocking element.

Abstract: A cannula stabilization device has two tubing holders located on opposite ends of a bearing platform, a rotational joint fixedly attached to the bearing platform, and a helmet releasably attachable to the rotational joint. The helmet and the bearing platform are independently rotatable around a common rotational axis when the helmet is attached to the rotational joint.

Abstract: This female clip-onconnector (1), which is adapted to cooperate with a male attachment end fitting (20) of the type with a central bush (26) and a flange (25), includes a body (2) forming a cylindrical cavity and a transverse latch housing in front of the opening of the cylindrical cavity forming a housing for a single latch part (50) including two actuating parts (51) connected respectively to two jaws (52), said actuating parts and said jaws acting in a same direction transverse to the axis of the body, and spring means (54) for spring-loading each jaw (52) at all times towards its rest position in which the jaw (52) is close to the axis and in which the actuating part (51) is in its radially outermost position.

Abstract: A catheter connector device is provided including a device housing having a first port and a second port. A fixed sleeve support portion and a flexible, cantilevered sleeve cover extend longitudinally within a housing interior, to carry a flexible tubular sleeve having a sleeve through bore extending from the first port to the second port, for removable insertion of a catheter. The sleeve cover has a first portion, a second portion extending from the first portion and a third portion narrower than the first portion extending from the second portion. A slidable catheter lock switch, or slide button, is positional between a catheter-unlocking position adjacent to the third portion of the sleeve cover and a catheter-locking position engaging the first portion of the sleeve cover and flexing the tubular sleeve cover to crimp the tubular sleeve and retain the catheter within.

Abstract: A piping connection structure which assigns a function to restrict a pipe body from coming off to a member other than a resin tube, improves in sealing performance and can suppress the amount of fuel permeation. A resin tube comprises a tube body portion; a first diameter-expanding portion formed to increase in diameter from an axial end of the tube body portion and axially positioning seal members by holding the seal members in an axial gap with a retainer; and a second diameter-expanding portion formed to further increase in diameter from the first diameter-expanding portion, and to contact an outer circumferential side of the seal members and be connected to the retainer while in contact with the retainer. Thickness of the first diameter-expanding portion is equal to or greater than thickness of the tube body portion.

Abstract: A connection includes a first component, a second component, a cord member, a detent, and a catch assembly. The first component has an opening with an inner surface and a first annular groove disposed about the inner surface. The second component has a top end configured to fit in the opening. The top end has an outer surface with a second annular groove disposed about the outer surface. The first annular groove and the second annular groove are configured to form a channel in response to being disposed in cooperative alignment. The cord member is configured to be removably inserted into the channel to secure the first component to the second component. The detent is disposed on the cord member. The catch assembly is configured to engage the detent and provide resistance to movement of the cord member relative to the catch assembly.

Abstract: A connector includes a resin-made connector body and a pressure sensor. The connector body includes a first main tubular part that is connected to a first pipe, a second main tubular part that is connected to a second pipe, and a sensor mounting part. The first main tubular part and the second main tubular part connect with each other to form an angle. The sensor mounting part includes: a tubular intake part that is formed in line with a line extending from one of the first main tubular part and the second main tubular part and has a bottom face; and a sensor mounting seat that is capable of being mounted with the pressure sensor and communicates with a peripheral-surface opening of the tubular intake part.

Abstract: A tubular coupling comprising a female connector (2) into which a male connector (6) provided with an annular collar (7) is designed to be inserted axially, and a connection element (9) that extends in a transverse direction in the female connector. The connection element is designed to interfere mechanically with the collar while the male connector is being inserted into the female connector, and to move by itself in said transverse direction towards the inside of the female connector. In addition, the connection element and the female connector are also designed so that, after the reaction to the radial resilient deformation of the connection element on the collar of the male connector, they come to bear against each other in the manner of a projection (14) that, by resilient return, exerts pressure on a guide ramp (15), so as to generate a thrust force that extends the movement of the connection element towards the inside of the female connector.

Abstract: A pump assembly includes a pump housing (2) and a stator housing (16), which is connected to the pump housing (2) and in which a wet-running electric motor with a can (18, 18?) is arranged. A plate-like bearing carrier (26, 26?) of sheet-material is arranged between the pump housing and the stator housing (16). The bearing carrier (26, 26?) includes a centering surface (40, 40?) in a manner distanced to its free peripheral edge, said centering surface coming into bearing contact on a corresponding contact surface (42) of the pump housing (2) in a manner such that the bearing carrier (26, 26?) with the can (18, 18?) is centered relative to the pump housing (2).

Abstract: A piston unit of a working cylinder has first and second coupling partners. The first coupling partner is a piston. The second coupling partner is a piston rod. The piston rod is inserted axially into the piston. Each of the coupling partners has an annular groove, the groove of the piston rod is an external groove, the groove of the piston is an internal groove. The grooves of the coupling partners lie opposite one another. The unit has a spring-loaded coupling ring. The coupling ring, when deformed in a tensioning direction, is fully accommodated by the groove of one coupling partner and which, when deformed in a release direction, engages in the grooves of both coupling partners. The engagement of the coupling ring in the grooves produces a form-locking connection between the partners. The piston rod is oversized in relation to the piston and provides an additional frictional connection.

Abstract: A metering device with a product conduit section, through which a base product forcibly flows, with at least one storage container for an additive, which is connected with an associated metering point respectively via a removal conduit, which is arranged on or respectively in the product conduit section, with a mechanism for forcibly conveying the additive, with quantity-based capturing of the base product and of the additive, with sterile steam and with a control device assigned to the metering device. The metering point is provided within a metering valve, which forms a product chamber, into which the product conduit section opens and from which it exits, an initial chamber and a partial chamber as well as a receiver of an end section and of a terminal side.

Abstract: A positionable lift stand includes a support structure defining a first positioning hole, a sliding member slidably engaged with the support structure and defines a second positioning hole, an elastic member, and a fixing member. The elastic member is connected between the support structure and the sliding member, while provides a restoring force enabling the sliding member to move against the support structure. The fixing member passes through the first positioning hole of the support structure and the second positioning hole of the sliding member. By utilizing the fixing member and various positioning holes associated with the lift stand, the lift stand can be fixedly held to occupy the least amount of space for packaging or storing purpose. Such attribute is achieved by using fewer parts and processing steps, which means fewer parts need to be manufactured, more cost savings, and less assembling time.

Abstract: A pipe connection assembly including: (a) a housing; (b) a first opening disposed within the housing, the opening having an inner surface adapted to receive a first end of a first pipe element; (c) an open-ended channel disposed within a wall of the housing, the channel having a wide cross-section disposed distal to the first opening, and a narrow cross-section disposed between the wide cross-section and the first opening, the channel fluidly communicating with the first opening via the narrow cross-section; and (d) a lock pin having a backbone and a tooth extending longitudinally therefrom, the backbone adapted to be received by the wide cross-section, the tooth adapted to be received by the narrow cross-section, the pin adapted to be urged along the open ended channel, whereby a bottom edge of the tooth protrudes through the narrow cross-section into the opening.

Abstract: An atherectomy device with an exchangeable drive shaft is disclosed, having a drive shaft gear at a distal end of the exchangeable drive shaft for meshing engagement with a prime mover gear on the output shaft of the prime mover. The exchangeable drive shaft is inserted into an opening at the distal end of the handle housing and moved axially in a proximal direction. Surface features on at least the prime mover housing and the engageable drive shaft help to align the drive shaft gear with the prime mover gear for meshing engagement.

Abstract: A lightweight quick connector system that is a more unitized, installation and dismantling structure and method for joining the ends of straight grooved pipe that uses o-ring fluid sealing. The connector system includes a grooved pipe receiving structure for support and stabilization of the o-ring sealing structure. The quick connector system also has the capability to operate as a size adapter for grooved pipe of different sizes and has the capability to act as a fitting adapter to enable interfitting of a grooved pipe to another size and type of pipe.

Abstract: An apparatus for connecting drum pedals for a musical drum set is provided. The apparatus may include an outer tube having a proximal end and a distal end, the proximal end of the outer rod having a polygon-shaped channel extending therethrough, the distal end of the outer tube being coupled with a first drum pedal; an inner rod having a polygonal cross-section, a proximal end and a distal end, the proximal end of the inner rod being slidably received through the polygon-shaped channel at the proximal end of the outer tube, the distal end of the inner rod being coupled with a first drum beater; and a quick-release mechanism coupled to the proximal end of the outer tube configured to releasably engage the outer tube with the inner rod.

Abstract: A fluid line coupling for a mechanical and fluidic coupling may include a fluid-carrying first component and a fluid-carrying second component. A pipe body may be at least one of integrated with and attached to the first component. A connection piece may be arranged coaxially to the pipe body in an inserted position, the connection piece being at least one of integrated with and attached to the second component. A securing clip may be disposed on an outer side of the pipe body and surround the pipe body in a circumferential direction at least 180°. The securing clip may be radially adjustable relative to the pipe body between a securing position in which the connection piece is secured to the pipe body in the inserted position, and a releasing position in which the connection piece is unsecured to the pipe body in the inserted position.

Abstract: A quick coupling device of the cartridge type, the device comprising a tubular body defining a channel, a retaining washer for retaining the tube in the device, a tubular disconnection pusher that is slidably mounted in the channel, and an anchor for anchoring the coupling device in the socket. The body has one end provided with a retractable ring that projects axially from the end in order to carry internally a sealing member of the coupling device and in order to be suitable for being returned against the body in order to release the sealing member in the socket. The retaining washer is arranged in the retractable ring between the body and the sealing member.

Abstract: A coupling device (1; 1?) for conduits conveying hydrocarbon liquids and hydrocarbon vapors, in particular for crankcase ventilation conduits, fuel conduits or tank ventilation conduits, includes a coupling body (2) with a connecting piece receiving section (6); and a locking member (4; 4?) for locking into place a connecting piece (24) guided into the connecting piece receiving section (6); wherein the connecting piece receiving section (6) has an installation recess (10) open radially toward the side, and wherein the locking member (4; 4?) can be guided into the connecting piece receiving section (6) laterally in radial direction (MR) by an installation recess (10).

Abstract: An atherectomy device with an exchangeable drive shaft is disclosed, having a drive shaft gear at a distal end of the exchangeable drive shaft for meshing engagement with a prime mover gear on the output shaft of the prime mover. The exchangeable drive shaft is inserted into an opening at the distal end of the handle housing and moved axially in a proximal direction. Surface features on at least the prime mover housing and the engageable drive shaft help to align the drive shaft gear with the prime mover gear for meshing engagement.

Abstract: An atherectomy device with an exchangeable drive shaft is disclosed, having a drive shaft gear at a distal end of the exchangeable drive shaft for meshing engagement with a prime mover gear on the output shaft of the prime mover. The exchangeable drive shaft is inserted into an opening at the distal end of the handle housing and moved axially in a proximal direction. Surface features on at least the prime mover housing and the engageable drive shaft help to align the drive shaft gear with the prime mover gear for meshing engagement.

Abstract: The present invention provides a quick connect coupling with a retention feature that resists inadvertent disconnection of the coupling in a pressurized state.

Abstract: A coupling, for a fluid line, having a retainer and a coupling body defining a throughbore extending from an inlet opening at a male member reception end which functionally receives a male member. The retainer has a crossbar, with two spaced retainer legs, and at least one locking arm. The retainer is mounted in a moveable manner to the coupling body in radial direction in relation to the throughbore. In a starting position when the male member is not or not fully inserted into the coupling body, one free end of a retainer leg rests upon a blocking surface on the coupling body blocking the retainer from shifting into a locking position, whereby the crossbar is in the starting position, protruding out of the coupling body.

Abstract: A clean air duct and retaining clip assembly for installation on a receiving port includes an assembly with a tubular body and a cuff extending from the tubular body. The cuff has a cuff groove, at least the cuff receivable on a receiving port, and a retaining clip only partially received in the cuff groove so as to secure the cuff and the tubular body to the receiving port. A clean air duct assembled to a receiving port is also disclosed. And a related method of assembling a clean air duct to a receiving port with a retaining clip is disclosed.

Abstract: A fuel injector for an internal combustion engine having an elongated body with a fuel inlet end and a fuel discharge end. The injector body includes an outwardly extending plate attached at a position between its ends and this plate includes at least one radially outwardly extending tab so that the cross-sectional shape of the plate is noncircular. A fuel cup receives the fuel inlet end of the fuel injector and includes a radially inwardly extending ledge at a mid position of the cavity. This ledge includes a through bore complementary in shape to the shape of the plate so that, with the fuel injector and plate aligned at a predetermined angular assembly position, the plate passes through the ledge upon insertion of the fuel injector into the cavity. Thereafter, rotation of the fuel injector and attached plate to a locking position positions the tabs above the ledge thus locking the fuel injector to the fuel cup.

Abstract: The invention relates to a tongue-and-groove coupling between panels of self-supporting air-conditioning ducts and the like, of the type that is provided in order to establish an optimum fit of the canted edge corresponding to the panels that are coupled in a tongue-and-groove manner, and also, to avoid the air coming into contact with the core of the duct therein. To this end, the panels consist of a core of insulating material complemented by an outer layer and inner layer based on aluminum or some other coating, the juxtaposing canted edge or edge between the panels having an oblique cut in relation to the horizontality or longitudinal intermediate line in the joint between the two panels; the aluminum layer or coating, which determines the inner face of the duct, extending beyond the edge of the panel, and being fixed to the oblique surface that defines the coupling profile.

Abstract: A pipe has a tubular body with a male end and a female end. The male end has an external surface with a first engagement groove. The female end has an internal surface with a second engagement groove, and an aperture extending from an outer surface of the tubular body to the second engagement groove. The female end receives the male end of another pipe such that the first engagement groove of the male end axially aligns with the second engagement groove of the female end to establish a spline engagement groove having a groove length, LG. A flexible spline is located in the spline engagement groove to lock the pipes together and establish a pipe assembly. The flexible spline has a spline length, LS, and LS?LG.

Abstract: A connection includes a first component, second component and a cord member. The first component has an opening with an inner surface and a first annular groove disposed about the inner surface. The second component has a top end configured to fit in the opening. The top end has an outer surface with a second annular groove disposed about the outer surface. The first annular groove and the second annular groove are configured to form a channel in response to being disposed in cooperative alignment. The cord member is configured to be removably inserted into the channel to secure the first component to the second component. The cord member includes a tapered portion disposed at a distal end of the cord member and is configured to provide a mechanical advantage to urge the first annular groove and the second annular groove into cooperative alignment in response to being inserted therein.

Abstract: A lock mechanism includes a hood (20) that is arranged so as to surround the periphery of a male member (10) and is for insertion of a female connector (100), and a single lock lever (30) having a cantilever support structure capable of elastic displacement. The lock lever (30) is arranged with the free end (30a) thereof on the tip side of the male member (10), with the fixed end (30b) thereof on the base end side of the male member (10), and with the lengthwise direction thereof being approximately parallel to the male member (10). The lock lever (30) includes a claw (34) for engaging with the female connector (100). An operation arm (35) protrudes from the face of the lock lever (30) on the side opposite to the male member (10), and extends toward the fixed end (30b) side. If a pressing force in the direction approaching the male member (10) is applied to the tip (35a) of the operation arm (35), the lock lever (30) undergoes elastic deformation such that the claw (34) moves away from the male member (10).

Abstract: A quick connector assembly is provided for releasably connecting and disconnecting a first conduit and a second conduit. The connector assembly includes a first member having a joint fitting coupled to the first conduit, and a second member having a sleeve with opening for coupling to the second conduit. The second member has a connection end containing an opening for receiving the join fitting. The connector assembly also includes a lock inserted into the second member for locking the first member into the second member. The connection end includes a slot configured to receive the lock; the joint fitting includes a groove; and the lock is in a general ring shape and includes at least one curved portion for engaging the groove on the joint fitting, and a button for causing the curved portion to deform so as to engage or disengage the groove.

Abstract: A method for the aseptic measured delivery of a liquid additive (Z) into a forced flow of a base product (P), wherein the additive (Z) is removed from a storage container (18) under aseptic conditions by means of a removal conduit (18a) and is fed via an end section (E) of the removal conduit (18a) to the base product (P), which flows through a product chamber (RP) and a metering device and valve.

Abstract: A cartridge valve comprises an operator section for operating a valve, and a cartridge section with the valve. The operator section includes a first body and two pistons on a common shaft. The cartridge section includes a second body with valve seat, a cartridge insert having a protruding portion with annular ring, and a valve poppet operably engaging the valve seat. Two retainer screws engage the annular ring to hold the first and second bodies longitudinally together but permit rotation. The piston shaft defines a gap to the valve poppet when in a home position so that the shaft and piston initially gain momentum before abutting the valve poppet. The cartridge insert can be removed from the second body to allow replacement of a poppet seal therebetween.

Abstract: A fluid communication device including a tubular body which enables the circulation of a fluid and which has an end piece that is connectable to a plug-in pipe having an outer annular locking groove. An assembly head includes a receiving chamber in which an end piece of the tubular body is mounted. The assembly head includes a U-shaped locking element having two arms that are inserted into the receiving chamber. An intermediate ring is slidably mounted in the receiving chamber to achieve a pre-opening of the locking element just before the plug-in pipe reaches a position in which it engages with the end piece.

Abstract: Disclosed is a locking apparatus for plug connectors, comprising at least one first locking half and at least one second locking half, wherein the first locking half is formed from an inner sleeve and an outer sleeve, wherein the outer sleeve can be moved in a linear manner against a plugging direction towards the inner sleeve, and wherein the second locking half is formed from a further sleeve which can be inserted into the inner sleeve of the first locking half, and wherein the first locking half has at least one associated latch which acts on an inserted sleeve through at least one latching opening in the inner sleeve.

Abstract: An endoscope sheath is providing comprising a sheath tube extending along a longitudinal axis between a proximal end and a distal end, the sheath tube configured to receive at least a portion of an endoscope; a hub adapter connected to the sheath tube, the hub adapter including an arm configured to engage at least a portion of the endoscope so that the hub adapter and the sheath tube are restricted from rotating about the longitudinal axis; and a knob configured to engage a shoulder of the endoscope and the sheath tube so that movement of the knob relative to the hub adapter moves the sheath tube axially along the longitudinal axis.

Abstract: A filter assembly is provided. The filter assembly includes a first component having a first groove. The filter assembly further includes a second component having a second groove. The first groove of the first component and the second groove of the second component define a channel therebetween. Furthermore, the filter assembly includes a cord member removably inserted in the channel to detachably couple the second component to the first component.

Abstract: A quick connect/disconnect system includes a first component and a second component. The first component includes a tube coupling portion. The second component defines a channel configured to receive the tube coupling portion. The channel opens to a first end portion of the second component. The second component further includes a first resilient seal positioned within the channel adjacent to the first end portion and sized to sealingly engage the tube coupling portion, a second resilient seal positioned within the channel and spaced apart from the first resilient seal, the second resilient seal sized to sealingly engage the tube coupling portion, and an annular expansion area located between the first resilient seal and the second resilient seal and in fluid communication with the channel.

Abstract: A female member for retrofit to a hydraulic line connector includes a body portion having a body passage that is connected to a hydraulic component. A cylindrical wall portion extends from the body portion and defines a bore that is selectively in fluid communication with the body passage. An opposing pair of slits are formed through the cylindrical wall. A spring clip has a rectangular cross section and includes a first leg featuring a first arcuate portion, a second leg featuring a second arcuate portion and a closed end portion positioned between and attached to the first and second legs. The first and second legs are removably received by the opposing pair of slits of the cylindrical wall. The bore of the cylindrical wall receives a male member having a circumferential or annular shoulder that is engaged by the first and second arcuate portions of the first and second legs when the male member is positioned within the bore.

Abstract: A lock member (16) moves between a standby position, in which a locking part (86) of a locking piece (78) provided on the lock member is placed inside a gap (44) provided between a projecting part (40) and a projecting part (42) provided on a lock part (36) of a connection part (18), and a connected position, in which the locking part is placed beneath the projecting part (42), and the lock member (16) moves to the connected position and is locked by the locking piece (78) when a pipe (12) is inserted up to a prescribed position. Also, an elastic piece (80) and the locking piece (78) are pushed to spread outward and accumulate urging force when being contacted by a flange part (12A) of the pipe (12), but return along an outer perimeter surface of the flange part (12A) and release the urging force when the locked state in the standby position of the locking part (86) is unlocked.