Abstract: An adjustable mixing pipe for a gas-range including a flexible outer pipe, a first inner pipe and a second inner pipe. The flexible outer pipe has a first end communicated to a burner and is fastened to a frame of the burner. The flexible outer pipe further has a straight portion at a second end thereof with a first slot formed on a periphery of the straight portion. The first inner pipe is retractably received within the second end of the outer pipe and is fastened in the outer pipe by means of a first fastening spring provided in the first slot. The first inner pipe is slidable lengthwise in the outer pipe when the first fastening spring is pressed to be loosened. A second slot is formed on a periphery of the first inner pipe at a second end thereof. The second inner pipe is retractably received within the second end of the first inner pipe and is fastened in the first inner pipe by means of a second fastening spring provided in the second slot.

Abstract: A pipe connector load element interconnects a pipe element and a connector retention member. The load element is mounted in an annular groove on the outer circumference of the pipe element and in a groove adjacent to an internal bore in the retention member to secure the retention member to the pipe element. The load element includes a plurality of elongated components each having a slot extending lengthwise, and a flexible ribbon for threading through the slots. A pair of retention members are interconnected to connect a pair of pipe elements in an end-to-end arrangement.

Abstract: A hose coupling or pipe connection (10) has detachable parts (20, 22) which are releasably locked together by two U-shaped cotter pins or locking staples (18) in accordance with the invention, the cotter pins or locking staples being of laminated form and comprising two or more joined-together leaves or plies (26, 28).

Abstract: A connection fitting for a corrugated tube includes a cylindrical housing, a bow-shaped locking element attached to the housing by a hinge portion and a corrugated tube for insertion into the housing. The cylindrical housing has two openings and a wall element between them for receiving a bow-shaped locking element provided with two pairs of ribs on its inner surface corresponding to the openings. When inserting the corrugated tube into the cylindrical housing, the corrugated tube is fixed firmly to the cylindrical housing by the ribs on the locking element engaging with the groove portions of the corrugated tube through the openings.

Abstract: An apparatus for locking together simultaneously one or more male and female coupling members is disclosed, primarily for use in undersea hydraulic applications. The apparatus comprises a sliding lock plate supported by a first junction plate, the plate being slideable perpendicular to the coupling axis between an unlocked position and a locked position. The sliding lock plate has a number of passages configured to receive each coupling member therethrough in the unlocked position. In the locked position, the passages are configured to engage the circumference of the male and female coupling members and restrict axial movement of the members.

Abstract: A coupling comprising an outer socket or receptacle part having an internal opening, and a nipple or insert part which is sized to be inserted into the opening of the receptacle part. The receptacle and insert parts are provided with outer and inner lock ring grooves, respectively, which are substantially aligned in the radial direction when the parts are assembled. A garter spring is located in and extends between the two grooves when the parts are assembled in order to lock the parts together. The groove of one of the two parts has an arcuate surface and the radius of the surface is substantially the same as the radius of the coils of the spring, whereby the arcuate surface supports the coils and retards flattening of the coils. The groove of the other of the two parts has a surface which overlies the spring and holds the spring in place in the grooves even if the spring should break.

Abstract: A connection fitting for a corrugated tube has a cylindrical housing for receiving the corrugated tube and a U-shaped locking element for fixing the corrugated tube firmly to the cylindrical housing. The cylindrical housing is provided with a sunken portion on the side surface and slits running circumferentially at a bottom of the sunken portion. The locking element has ribs projecting on its inner surface which penetrate into the slit and engage with the grooves of the corrugated tube. The engaging members are formed on both sides of the sunken portion of the cylindrical housing. Corresponding hook-like elements are formed at both ends of the locking element.

Abstract: A hose construction, a coupling arrangement therefor and method of making the same are provided, the coupling arrangement being utilized for conveying fluid therethrough and having a filter unit disposed therein to filter the fluid flow through the coupling arrangement, the coupling arrangement being a quick connect-disconnect coupling arrangement that comprises a first tubular coupling member having opposed open ends, a second tubular coupling member having opposed ends one of which is telecopically disposed in one of the ends of the first coupling member, and a staple-like fastening member securing the one ends of the coupling members together in the telescoping relation thereof.

Abstract: A plug-in connection for the connection of tube and hose lines, in particr for use in tube-line systems of motor vehicles, consists of a male part (S), on which is provided a clip receiving locking groove, a female part (A), into which the male part can be sealingly inserted and on which female-part cavities are provided, with which the locking groove can be axially aligned. The locking of the male part (S) and the female part (A) is obtained by means of a locking clip.To achieve a long lifetime for the plug-in connection even under changing loads and to achieve a simple handling and inexpensive manufacture, the legs (28, 29) of the locking clip (St.sub.1) can be spread apart by an elastic deformation and can be maintained in the spread-apart position disengaged from the male part locking mechanism. Between the female part (A) and the male part there is arranged a spring (F) which guyes these parts in an axial direction with respect to one another. A seal ring (D.sub.

Abstract: A tube connecting unit for connecting a tube to an apparatus, comprising a cylindrical adapter having a pair of slits formed on the periphery, a cylindrical connector inserted in a inner bore of the adapter and having an annular groove formed on the periphery so as to accord to the slits of the adapter, a tube inserted in the inner bore of the connector and having a flange portion for preventing the tube from slipping out of the connection, and a clip-like spring fitted in the slits of the adapter and the annular groove of the connector for preventing the connector from slipping out of the adapter.

Abstract: A swivelable quick connect assembly for use with tubular conduits includes a housing having an axial bore for receiving one end of the conduit, and a first retainer detachably secured to the housing and is cooperable with an annular projection on the conduit for securing the conduit in its operative position within the bore. A second retainer means demountably coupled to the housing for maintaining the connection between the conduit and the housing.

Abstract: A quick connect and disconnect coupling includes a connetor for housing a fluid conduit. The conduit includes a flexible tube terminating in an upset bead. One or more adjoining O-ring seals encircle the tube adjacent the upset bead. The connector includes a plug for receiving the tube. The plug terminates in an end wall adjacent the O-rings. A first chamfer is provided in the plug end wall. A second chamfer is provided in the upset bead adjacent the O-ring seals. During installation and removal of the connector, the O-rings are compressed and forced into the first and second chamfers to retain the O-rings in place on the tube.

Abstract: A mechanical seal for closing the gap between adjacent ends of rigid tubes which must remain in fixed position makes use of two complementary semicylindrical shells, each of which carries a molded sealing gasket provided with a recess adapted to fit around the tubes and around the space between them. A clamp attached to one shell has opposite ends which reach around corresponding protuberances on the other shell. The clamp operates to draw the shells and the molded sealing gaskets into sealing engagement with the rigid tube ends and with each other, thereby to close the gap with a dependable, replaceable seal.

Abstract: A post mix dispenser having a refrigerated cabinet at the top which houses separate containers for different juice concentrates. The machine mixes potable water with the concentrate on demand. The potable water is cooled in an ice bath at the rear of the cabinet, in the same refrigeration system which cools the ice bath provides a source for cooling air circulated in the cabinet about the concentrate containers. The concentrate containers each are of rigid box member construction having supported therein a liquid-type bag member with an outlet member. The containers are coupled to a beverage discharge assembly by a concentrate pump and a concentrate control valve that provides for quick-disconnect operation.

Abstract: A component of a breathing circuit for directing air to a patient requiring treatment. The component comprises a tubular conduit having a male end and a female end. A locking clip is disposed on the housing adjacent the male end of the component. A plurality of annular rings are disposed on the outer side of the female end. The annular rings are engagable by a locking clip of an adjacent component. A sampling port is disposed through the housing to permit sampling of the air within the breathing circuit.

Abstract: A fuel line receiver has a fuel passage terminating in an enlarged region. A retainer ring secures an O-ring in the enlarged region. The tip of a fuel line is curled to facilitate insertion through the retainer ring and the O-ring into the fuel passage. The O-ring sealingly engages the fuel line and the peripheral wall, and the tip of the fuel line is supported by the fuel passage and the retainer ring. A flange on the fuel line is engaged by a nut or a clip to hold the tip of the fuel line in the fuel passage.

Abstract: The disclosure concerns a hollow socket and hollow plug therefor and a specific snap clip for locking the plug in the socket by normally bridging radially aligned cooperating grooves in said plug and socket. The plug and socket may include cooperating surfaces between which a gasket or O-ring may be seated for sealing the coupling. The clip primarily comprises a pair of cooperating semicircular diametrically oppositely movable semiannuli or ring sections connected at one of their adjacent parallel ends by an integral spring loop extending substantially axially from the plane of the semiannuli or ring sections. This loop is provided with a pair of parallel legs joined at one end to the adjacent parallel ends of said semiannuli and at their other ends to a more than semi-circular ring. This loop normally urges said semiannuli outwardly into the groove in the socket.

Abstract: A coupling between an end of a fluid conducting tube and a socket in a housing at the end of a fluid conducting passage in the housing. An annular shoulder on the tube seats on an annular base of the socket in an installed position of the tube and a annulus is defined between the outside of the tube and a circular entry to the socket above the base. A tubular plastic retainer, slidably disposed on the tube behind the annular shoulder and outside the socket, has an outwardly flared front end section which is squeezed to the smaller diameter of the circular entry and pushed into the annulus between the entry and the tube. In a seated position of the retainer, the flared front end section radially overlaps the annular shoulder so that a shear section of the retainer is defined between the annular shoulder and the circular entry. The shear section resists withdrawal of the tube from the socket.

Abstract: An adjustable and detachable fitting assembly for reinforced hose having an inner fluid sealing tube and an outer reinforcement. The assembly has a nipple insertible into the tube and a sleeve surrounding the nipple but spaced therefrom so that a cutting edge on the sleeve separates the tube structure allowing one separated portion of the tube to fill the space between the sleeve and nipple with the outer separated portion of the tube and the reinforcement filling a space between the outer surface of the sleeve and a socket threaded thereto. The sleeve rotates about the nipple and is longitudinally adjustable with respect thereto while maintaining connection of the sleeve to the nipple. This allows for compensation for misalignment.

Abstract: A quick connect/disconnect end fitting has two telescoping parts which are locked together by a wire loop which fits through diametrically opposed slots in an outer one of the parts and into a groove in the inner one of the parts. When opposing tips at the end of the loop are squeezed together, the wire loop leaves the groove to enable the two telescoping parts to be separated. An O-ring seals the space between the telescoping parts.

Abstract: A fluid coupling for a conduit which features a quick connect-disconnect construction between first and second coupling members. The first coupling member is connected to the conduit and is generally cylindrical, having a main portion and a reduced diameter portion. Peripheral grooves on the reduced portion contain sealing rings which form a fluid-tight seal with a second coupling member that fits over the first member, the sealing rings contacting an internal bore. The principal seal is provided by a resilient O-Ring which is located in the groove located at the intersection of a wall that intersects the reduced diameter portion of the first coupling member. This contacts a shoulder formed on a wall which intersects part of the bore of the second coupling member. This provides both axial and radial compression between the coupling members. The second peripheral groove is spaced from the first groove and contains another O-Ring as well as a fluoroelastomeric backup ring to enhance the seal.

Abstract: The rotary/reciprocating seal apparatus includes a resilient ring member with a circumferential groove therein having a surface of revolution disposed at an angle with the axis of the ring member. The resilient ring member includes an axial opening thereinside for accepting and enabling the shaft to be rotated and/or reciprocated therein. The cylindrical housing is provided which includes an axial opening thereinside to accommodate the ring member and includes a groove on an inside surface of the cylindrical housing with a second surface of revolution disposed at an angle with an axis of the cylindrical housing. Spring means are provided in both the ring member and the cylindrical housing grooves for forcing the first and second surfaces of revolution away from one another in order to cause axial loading between the ring member and the cylindrical housing.

Abstract: A hose construction, a coupling arrangement therefor and method of making the same are provided, the coupling arrangement being utilized for conveying fluid therethrough and having a filter unit disposed therein to filter the fluid flow through the coupling arrangement, the coupling arrangement being a quick connect-disconnect coupling arrangement that comprises a first tubular coupling member having opposed open ends, a second tubular coupling member having opposed ends one of which is telescopically disposed in one of the ends of the first coupling member, and a staple-like fastening member securing the one ends of the coupling members together in the telescoping relation thereof.

Abstract: A hydrant includes one or more novel and improved features, namely: (1) a nozzle assembly comprising a nozzle and a retainer ring mounted from within the upper standpipe section of the hydrant; (2) an operating assembly defining an excess reservoir volume to receive valve stem lubricating fluid to prevent blocking movement of the valve stem; (3) a coupling assembly including a collar, a retainer ring for engaging one end of the collar against one standpipe section, and a retainer bar inserted through the collar and bent around an adjoining standpipe section; (4) a coupling assembly including a floating seal band carrying two seals, one of which seals against one standpipe section and the other of which seals against an adjoining standpipe section; (5) an otherwise conventional valve body but for a double-D valve body cavity in which a complemental boss of a valve member retainer disk is nested to prevent rotation therebetween, and also including a flat sealing gasket disposed between the valve stem and an ann

Abstract: A hydrant includes one or more novel and improved features, namely: (1) a nozzle assembly comprising a nozzle and a retainer ring mounted from within the upper standpipe section of the hydrant; (2) an operating assembly defining an excess reservoir volume to receive valve stem lubricating fluid to prevent blocking movement of the valve stem; (3) a coupling assembly including a collar, a retainer ring for engaging one end of the collar against one standpipe section, and a retainer bar inserted through the collar and bent around an adjoining standpipe section; (4) a coupling assembly including a floating seal band carrying two seals, one of which seals against one standpipe section and the other of which seals against an adjoining standpipe section; (5) an otherwise conventional valve body but for a double-D valve body cavity in which a complemental boss of a valve member retainer disk is nested to prevent rotation therebetween, and also including a flat sealing gasket disposed between the valve stem and an ann

Abstract: An improved locking element for a quick-connect coupling is designed for use in joining together tubular fluid conduits. The locking element comprises an annular segment and a plurality of annularly distributed resilient curled fingers which is sized to fit inside an annular cage mounted on one end of an inner coupling. The locking element of the inner coupling engages the flared end of an outer coupling when the couplings are telescopically fitted together.

Abstract: A readily attachable and detachable coupling for fluid conduits including a receptacle member having a passageway therethrough and having a notch formed in the external surface communicating with the passageway, the notch having a forward wall inclined at an acute angle to the member longitudinal axis and a rearward wall which is substantially perpendicular to the longitudinal axis, and a plug member of a diameter to be slideably received within the receptacle member passageway, the plug member having an enlarged external diameter portion spaced from the end, the receptacle member having a retention wire received therearound and extending within the notch and gaskets within the passageway so that when the plug member is inserted into the receptacle passageway, the enlarged diameter portion can push past the retention wire because the retention wire can expand against the inclined planar wall of the notch but after having passed is prohibited from being withdrawn from the receptacle member by the retention wir

Abstract: A pipe connection arrangement for a water tank of a heat exchanger of a motor vehicle heater includes a pipe equipped with a collar at a pipe end for inserting into a connecting sleeve at the water tank. The pipe is provided with a seal on a first side of the collar, with the seal being pressed tightly into a recess in the connecting sleeve. A holding clamp rests on the other side of the collar facing away from the seal with the holding clamp being formed asd a U-shape. The clamp is developed in such a way that its U-bracket-shaped part rests tightly against the pipe exterior. This design results in the load transmission being evenly transmitted over a relatively large surface area. The sleeve includes openings formed as slots for receiving the clamp, with a reinforcing web provided in the center of the slots. The clamp is secured by another gripping part that projects from the bracket part and engages behind a reinforcing web of the connecting sleeve.

Abstract: A hydrant includes one or more novel and improved features, namely: (1) a nozzle assembly comprising a nozzle and a retainer ring mounted within the upper standpipe section of the hydrant; (2) an operating assembly defining an excess reservoir volume to receive valve stem lubricating fluid to prevent blocking movement of the valve stem; (3) a coupling assembly including a collar, a retainer ring for engaging one end of the collar against one standpipe section, and a retainer bar inserted through the collar and bent around an adjoining standpipe section; (4) a coupling assembly including a floating seal band carrying two seals, one of which seals against one standpipe section and the other of which seals against an adjoining standpipe section; (5) an otherwise conventional valve body but for a double-D valve body cavity in which a complemental boss of a valve member retainer disk is nested to prevent rotation therebetween, and also including a flat sealing gasket disposed between the valve stem and an annular

Abstract: The invention relates to a joint for connecting an elastically-deformable hose (14) and a rigid tube (22) having a smooth cylindrical outside surface. The tube (22) has a radial projection (26) on its outside surface which constitutes an abutment for the end of the hose (14) and also an anchor point for a clamping ring (28). The invention is applicable to mounting rubber hoses to rigid water inlet and outlet fittings on heat exchangers in motor vehicles, in particular.

Abstract: A non-pressure balanced fluid conducting swivel joint for coupling high pressure hydraulic conduit comprised of first and second tubular housing sections which are coaxially interfit with each other and a tubular sleeve member supported intervening between superposed portions of the housing sections. The sleeve is secured thrust resistant and for rotation to the inner of the housing sections via a pair of spaced apart annular races containing bearings extending between the inner housing section and the sleeve member. The outer housing is rotationally interlocked with the sleeve member by virtue of a flexible circumscribing pin engaging an insert contained in an annular groove complementary formed between the outer periphery of the sleeve member and the inner diameter of the outer housing.

Abstract: A spring clip which is used to secure the shank of a cutting pick to a pick box or cutting drum in a mining machine. The clip is formed of spring steel and has spaced legs joined by a bight portion. Associated with the bight portion is a bearing part which bears upon the shank of the cutting pick when the clip has been aligned with the shank and has been forced transversely to the shank so that the shank is received between the legs.

Abstract: A coupling for the plain ends of two pipes has a tubular housing with two flange-like end portions which extend radially inwardly toward the ends of the respective pipes. The housing contains two sets of externally toothed blocking elements each of which has an oval outline and is compelled to roll in the axial direction of the pipes when at least one of the pipes is moved axially and away from the other pipe. Each set surrounds one of the pipes and the blocking elements are rotatable on the respective end portions of the housing or on annular carriers in the housing. The blocking elements of each set can rotate relative to each other and their teeth penetrate into the housing and/or into the respective pipes in response to movement of one of the pipes away from the other pipe.

Abstract: A detachable plug assembly for making a connection between a pipe and an external unit such as a hose fitting or hydraulic unit, for example, in which the pipe can be automatically locked in a well-defined axial position in a bore of the external unit, and thus be assembled in a short time on an assembly line, particularly in the case of assembly by robots, without requiring special tools for either assembly or disassembly. The assembly comprises a bushing which is mountable in a fixed axial position on the pipe, the bushing having a conical shoulder at a forward end thereof for axially engaging the bore of the external unit and centering the pipe therein. The external unit has slots through which project the free ends of a locking element. The free ends extend into the bore of the external unit and engage a groove in the bushing for retaining the pipe in the bore of the external unit.

Abstract: A connector for corrugated tubing, such as electrical conduit, provides easy installation and has superior resistance to pull out as well as high impact strength. The connector has a body with two slots on each side and a U-shaped locking element which snaps over the corrugated tubing. The locking element locks onto two portions of the circumference of the tubing, substantially symmetrically on both sides.

Abstract: A female connector member for use in a quickly-attachable connector assembly with a male connector member comprises a housing formed with a socket for receiving the male connector member and further formed with a pair of circumferentially-spaced openings through a wall leading into said socket; and a locking member having a flexible arcuate section received on the outer face of the housing, and a pair of oblique locking elements normally projecting through the openings into the socket for locking the male connector member therein. The outer faces of the locking elements are inclined at an acute angle to the longitudinal axis of the socket and converge in the direction of the mouth of the socket, such as to facilitate the insertion of the male connector member into the socket by a small push force and to lock the male connector member against withdrawal from the socket even by a large pull force.

Abstract: A distributor block for interconnecting a hose bundle to a control device of a pressure fluid control system in an underground mine working has internal passageways for connecting valves of the device to individual hoses. Bores in the block receive detachable elongate coupling members which themselves have internal bores and plugs for engaging in sockets within the control device. The coupling members are journalled in the block for slight transverse and angular movements within seals.

Abstract: A method and tool for a cutting locking tab 56 of a selected configuration on a joint (a pin (12a) and box (16a) threaded together). The pin has longitudinal slot(s) 24a and the box (16a) has inner and outer peripheral grooves (44,46) forming shear lines (50) to enhance the shearing to form the locking tab (56).The essential feature is the elimination of clocking, i.e., a predetermination of the relative orientation of the box and pin during manufacture.

Abstract: A hose construction, a coupling arrangement therefor and method of making the same are provided, the coupling arrangement being utilized for conveying fluid therethrough and having a filter unit disposed therein to filter the fluid flow through the coupling arrangement, the coupling arrangement being a quick connect-disconnect coupling arrangement that comprises a first tubular coupling member having opposed open ends, a second tubular coupling member having opposed ends one of which is telecopically disposed in one of the ends of the first coupling member, and a staple-like fastening member securing the one ends of the coupling members together in the telescoping relation thereof.

Abstract: A coupling arrangement comprising first and second telescoping connecting components which, when telescopingly engaged, are locked by a locking device attached to one of the components and introduced into a first recess in the other component to place the coupling in a first locking position with incomplete sealing and then into a fully connected, locked and sealed position with the locking device introduced into a second recess in the other component.

Abstract: A pipe coupling having an annular recess in the body portion of a first coupling part, a transverse slot in a second coupling part across the hollow interior thereof, the slot including a slot base wall across one end thereof and being open to the exterior of the second coupling part at the other end thereof, and a release bar in the slot, the release bar including an aperture therethrough of a diameter similar to the diameter of the first coupling part body portion, and including a top portion protruding from the other end of the slot, the release bar being reciprocally movable within the slot across the hollow interior of the second coupling part towards and away from the slot base, between a first position wherein the aperture in the release bar is substantially aligned with the hollow interior such that the body portion of the first coupling part can be entered into or removed from the hollow interior and a second position wherein the aperture is offset from the hollow interior such that an operative port

Abstract: Apparatus for forming a grouting member, for example, a grouted pile, in deep water comprises a female coupling member for connection to a male coupling member located on the sea bed, a conical guide for guiding the male coupling member into engagement with the female coupling member, a rotatable locking pin having an arcute recess portion, operable by a remotely operated underwater vehicle, for retaining the male coupling member in engagement with the female coupling member, and a connector for connecting the female coupling member to a source of grouting material.

Abstract: In the case of a plug connection for drilling or boring tubes, rods and worms for earth boring equipment with a male part and a female part, with a radial coupling for torque transfer and with an axial coupling having in the overlap zone of the male and female parts a locking device which can be introduced into an annulus for transferring axial forces, it is provided that the locking device is constructed as a multilink chain, which essentially extends around the entire annulus and which is introduced through the female part into the annulus via a single opening. This device provides a plug connection, which has a very simple construction and after extremely rapid installation is suitable for transferring very high forces.

Abstract: A tube joint comprises a tube joint body for interconnecting tubes for passing a fluid, a securement member secured to a panel so as to extend along the panel, a hinge coupling together the tube joint body and the securement member, and locking means provided between the tube joint body and the securement member for locking the tube joint body at a prescribed position at which the tube joint body extends along the panel with the hinge held flexed.

Abstract: A pipe connector comprising a body having a bore for receiving an end portion of a pipe, said bore having a first groove which co-operates with a groove provided on the pipe, a passageway which extends from the groove to the exterior of the body and through which a retaining rod or wire is pushed so as to be received in the grooves to retain the body on the pipe, said bore also having a groove in which a sealing ring is received, the groove having a side wall which is inclined relative to the axis of the bore and a template for determining the length of the retaining rod or wire.

Abstract: A first annular ring (44) has a keyed opening (64) sized to fit around the nut region (40) of a male coupling (14), and a second annular ring (42) has a keyed opening (52) sized to fit around the nut (26) of a female coupling (12). Each ring (42, 44) has mating ratchet teeth (56, 62), and these rings (42, 44) are biased together, thereby engaging these teeth (56, 62) and preventing rotation of these rings. This in turn prevents the rotation of the male nut region (40) with respect to the female nut (26). For tube-to-bulkhead locking, one facet (70) of one ring (44) is notched, and a pin (88) is pressed into an opening (84, 86) in the bulkhead (80). This pin (88) is sized to fit within one of the notches (74) in the ring (44), thereby preventing rotation of this ring (44) with respect to the bulkhead (80 ).

Abstract: An end fitting provides a coupling for a pair of parts which may be misaligned. One of the possibly misaligned parts is a nut having a bore therein. The other part is a ferrule fitting in the bore and, preferably having a lip seal thereon. A pair of confronting annular U-shaped slots are formed in the two parts, with a pin wire ring resting in the slots in order to join the two parts. The cross-sections of the two U-shaped slots are skewed with respect to a perpendicular to the bore, by an angle in the range of 6-degrees to 45-degrees, with the preferred angle being 15-degrees. The pin wire ring rides up and down the resulting tapered walls of the slots to compensate for any misalignment.

Abstract: A fluid coupling for connecting a fluid line to a threaded port. The coupling includes a male member having a free end, a shoulder portion, and a tapered portion between the free end and the shoulder portion. The female member is provided with an enlarged portion, a groove in a reduced diameter portion which is disposed on the male coupling side of the female coupling, and a threaded end portion on the other side. The female member also has a bore having an enlarged portion and a reduced diameter portion, the reduced diameter portion in turn receiving an O-ring. Slots are provided in the female member between the spring clip groove and the enlarged portion for the reception of a spring clip.

Abstract: A connecting device includes, a female element constituted by a socket 1 and a male element having a spigot which is adapted to be inserted in a complementary chamber in the socket 1. Disposed in the chamber is a cavity which receives a resilient retaining member 16. The spigot 16 has a recess in which a portion of the retaining member is received when the spigot is inserted in the chamber.

Abstract: A device for connecting tubes or the like comprises a male coupler provided on one end of a tube or pipe to be connected, the male coupler having a cylindrical engagement portion having a tapered end and also having engagement projections formed on its outer periphery, a female coupler provided on one end of another tube or pipe, the female coupler having radially penetrating windows, and a lock member adapted to be inserted through the windows of the female coupler to engage the cylindrical engagement portion of the male member when inserted in the female member. The male and female couplers are held in engagement with each other by engagement between the lock member and the engagement projections of the male member and are readily disengaged from each other by pushing the lock member.