Abstract: A coupling apparatus is constituted by a pair of couplers. The pair of couplers have substantially the same structure and are complementary to each other. A cylindrical body of each coupler has at least a pair of locking pieces projecting in an axial direction and locking pieces engageable with the locking pieces. When the pair of couplers are abutted against each other in the axial direction and the locking pieces of one coupler are engaged with the locking pieces of the other coupler, the pair of couplers are coupled to each other.

Abstract: A connector for a rigid electrical conduit has an internal cylindrical socket sized to snugly receive the end of the conduit. A spring leaf detent is externally mounted on the connector body, with a free end of the leaf extending through a slot in the connector body side wall. Inserting a conduit into the socket deflects the spring leaf away from the socket axis, thereby generating a resilient stress in the leaf that enables the free end of the leaf to exert a gripping action on the conduit. The grip action can be removed by unloosening a screw that is used to mount the leaf spring on the connector body.

Abstract: A gas outlet system that includes a first indexing structure mating with a first adaptor for releasably connecting the first adaptor to the outlet, and a second indexing structure mating with a second adaptor for releasably connecting the second adaptor to the outlet. The gas outlet system includes an engaging member for engaging the adaptor to the outlet and includes first and second urging members each independently operable to disengage the engaging member to release the adaptor.

Abstract: A quick connection coupling valve assembly having a poppet member in both a male coupling member and female coupling member, a fluid passageway defined therethrough is opened by engaging the poppet members of the male and female coupling members with each other, the fluid passageway is closed by releasing a spring member to disengage the poppet members from each other. A plurality of longitudinal stops are disposed on an inside wall of the male and female coupling members. The stops limit movement of the poppet members.

Abstract: A breakaway unit which is adapted to be mounted in series flow relation with a fuel nozzle. The breakaway unit comprises a flex section which assures an axial transmission of forces to a valve section which is separated when a vehicle drives away from a dispensing unit with the nozzle lodged in its fuel tank. The valve section comprises inlet and outlet couplers and means for releasable locking the couplers in an assembled relation. These means comprise fingers which are flexed outwardly when a separating force exceeds a predetermined value. Garter springs embrace the fingers to accurately control at which the couplers will separate. The fingers engage angularly spaced lugs which permit the fingers to be telescoped therebetween and then rotated to a locking position to facilitate reassembly of the couplers with a minimum of effort. Alternate embodiments of the invention disclose other forms of spring means for accurately controlling the force at which the couplers will separate.

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 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: A fluid flow check valve assembly having a tubular valve housing with opposite inlet and outlet end portions and a movable valve member therebetween. The valve member has an end sealing portion engageable with an inlet seating portion of the housing and a flexible annular lip seal portion engageable with the inner wall of the housing. When the assembly is in a first pre-assembly condition which exists prior to insertion of the end of a mating outlet tube into the housing, the valve member assumes a mid-portion in the housing spaced away from the inlet seating portion. In this pre-assembled condition, the valve member's lip seal portion is seated against the inner wall of the housing thereby blocking fluid flow through the check valve assembly. The insertion of an outlet tube into the housing moves the valve member from the preassembly mid-position toward the inlet end of the housing and into a second one-way controlled flow condition.

Abstract: A release mechanism for use with vacuum cleaning appliances having a pipe and hose arrangement, where the pipe is slidably mounted inside the hose. The release mechanism comprises an inner sleeve, an outer sleeve and actuating buttons. The inner sleeve couples the pipe to the hose. By using the actuating buttons, the inner sleeve is operational in a closed position and an open position. In the closed position, the pipe can slide inside the hose, but it cannot be removed or detached from the hose. In the open position, the pipe can be removed or detached from the hose. The outer sleeve secures the release mechanism to the hose and houses the inner sleeve and actuating buttons.

Abstract: An apparatus for transferring electrically conductive coating materials such as water-based paint from a source to an electrostatically charged dispenser includes first and second shuttle devices and two large reservoir, piston pumps each having structure for preventing contamination of the coating material and pressure build-up at their piston heads. The first shuttle device is movable between a neutral position wherein it is electrically isolated from a filling station connected to the coating material source, and a transfer position wherein coating material is transmitted to one of the piston pumps through a coupling device which connects the filling station and first shuttle.

Abstract: A quick connection coupling valve assembly having a poppet member in both a male coupling member and female coupling member, a fluid passageway defined therethrough is opened by engaging the poppet members of the male and female coupling members with each other, the fluid passageway is closed by releasing a spring member to disengage the poppet members from each other.

Abstract: A quick release coupling comprises a female member, a spring biased locking collar slidingly mounted over the female member, and a male member insertable into a central bore in the receiving element of the female member. The male member has an annular groove formed at a predetermined position around the insertion end thereof. The receiving element of the female member has four axially aligned, resilient cantilevers formed in the peripheral wall thereof surrounding the central bore. Each cantilever has an enlarged lug on the terminal end thereof which projects radially inwards from the inner periphery of the bore. The male member can be inserted into the female member by first pulling the collar to a rear position. During the insertion of the male member into the bore, a beveled rim on the insertion end engages the lugs to effect the outward flexure of the cantilevers. The cantilevers subsequently recover to intromit the lugs into the annular groove of the male member.

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 fluid handling installation for selectively connecting any one of a plurality of inlet conduits to any one of a plurality of outlet conduits includes a frame supported manifold configuration of a plurality of perpendicular conduits and corresponding connection modules that can be selectively operated to connect inlet and outlet conduits.

Abstract: A brake hose coupling for coupling to a glad hand body. The glad hand body has a primary port and a pair of primary flanges bordering and angularly spaced about the primary port. The brake hose coupling has a coupling body with a complementary port and a pair of complementary flanges adapted to rotate coaxially into engagement with the primary flanges of the glad hand body The complementary flanges border and are angularly spaced about the complementary port. The brake hose coupling also has a lock with a latching member mounted to reciprocate on the coupling body adjacent and transversely to one of the complementary flanges, between a release and an engage position. In the release position the latching member has clearance to allow passage of a corresponding one of the primary flanges. In the engage position the latching member blocks passage of the corresponding one of the primary flanges. Thus the latching member is operable to lock the coupling body on the glad hand body.

Abstract: A snap-on device for butt connecting in fluidtight manner one or more pairs of pipes, in particular vehicle fuel supply pipes. The device consists of a cup-shaped body having at least a first integral pipe connected hydraulically to a seat inside the body; and a block connectable inside the seat and molded on at least a second pipe, so that the end of the second pipe projects frontwards of the block in the insertion direction of the block inside the seat. The seat presents a recess coaxial with the first pipe and designed to receive the projecting end of the second pipe in sliding and fluidtight manner; and releasable locking structure for locking the block inside the seat, while at the same time permitting axial movement of the block and the projecting end of the second pipe inside the seat and recess respectively.

Abstract: A conduit assembly has a retainer with a pair of retaining elements. The first of the retainers maintains a seal in the housing assembly. The second retainer retains the conduit in the housing. One of the retainers has arms with an overall U-shape including at one end, one of the arms being coupled with its ring and at the other end, the arm includes a mechanism for abutting the annular bead to retain the conduit in the housing. The arms include an insert which may be of different material to retain the conduit within the housing.

Abstract: An apparatus for supporting the simultaneous establishment a plurality of parallel, fluid plug connections, contains a holding plate having apertures arranged in at least one straight row to receive junction pieces of fluid lines which are provided with abutments, and a securing slide which can be guided displaceably along one slide direction in the holding plate and has at least one contour which, by displacing the securing slide, can be brought into a position fastening the junction pieces in the apertures. The openings in the holding plate are of non-round constuction such that, after their axial insertion and transverse displacement, the abutments of the junction pieces can be fixed axially with positive fit, at least provisionally, on one edge of the respective aperture.

Abstract: When using hand-held electrically or pneumatically driven tools, for instance angled nut tighteners, different socket wrenches or box spanners (6) are used for different work processes. In order to enable a socket to be fitted quickly to a tool, the tool is provided with a manouverable socket holder (9), which also enables the socket to be readily removed from the tool. The socket holder includes a radially movable device (10) which is connected to the tool and which can be moved to positions in which it is excentric with or concentrical with the output shaft of the tool. A spring means (13) is provided for activation of the locking device to its excentric position relative to the output shaft, such as to hold a socket firmly thereto.

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 connector system comprising a housing having a fluid port; a cartridge permanently insertable in the fluid port; a conduit detachably insertable in the cartridge; the cartridge comprising a housing insertable in the fluid port and having an opening therethrough communicable with the fluid port, a first O-ring mounted thereon and disposable in sealing engagement with the housing, the cartridge housing being securable within the housing when the cartridge is inserted in the fluid port, a bushing and at least one O-ring disposed in the cartridge opening and disposable in sealing engagement with the conduit, and a retainer disposed in the opening and cooperable with the conduit for detachably securing the conduit in the cartridge in a coupling condition therewith when the conduit is inserted in the opening; and a release member mounted in the cartridge housing and cooperable with the retainer for releasing the conduit to allow it to be removed from the cartridge into an upcoupling condition.

Abstract: A pipe joint having a pipe (11) including an outward facing flange (17), a joint body (10), and a tubular fixture (20) covering an outer peripheral part of the joint body (10) and coupling to the pipe (11) with joint body (10). The tubular fixture (20) is composed of springy claws (25) and an inward facing flange (21), so that an assembly work can be simplified and a manufacturing cost can be reduced owing to a decrease in a quantity of parts.

Abstract: A pipe coupler is designed such that a sealing ring (5), an annular chuck (6) and a release ring (4) are inserted into a mounting recess (2) of a coupler main body (1). Annular reaction surfaces (601, 602) are provided at the tip side of the annular chuck (6), and an action surface (301) for contrating the diameter is provided at the internal periphery of the mounting recess (2). Claws (603) are formed at the tip of the annular chuck (6), and a slit (604) is provided in the annular chuck (6) for permitting enlargement and contraction of the chuck's diameter. When a flexible tube (7) is inserted into the mounting recess (2), the diameter of the annular chuck (6) is enlarged. In this condition, when a compressed fluid is supplied, the claws (603) bite the flexible tube (7). As the release ring (4) is pressed into the mounting recess (2), the engagement of the claws (603 ) with the flexible tube (7) is released.

Abstract: For connecting an air compressor to a pneumatic tool, a revolvable quick coupling comprising a first air pipe connector revolvably secured to an intermediate connecting member by a ball bearing means and connected to an air output pipe of an air compressor, a second air pipe connector secured to said intermediate connecting member by a front socket, a retainer, an inner socket, a seal ring, a stepped metal element and a spring means for connecting to an air input pipe of a pneumatic tool. Pressing on the retainer causes the second air pipe connector to disconnect from the front socket and simultaneously causes said seal ring to seal the air passage inside the coupling. Rotating the pneumatic tool causes the second air pipe connector to rotate on the first air pipe connector without twisting the air output pipe of the air compressor.

Abstract: A pipe connecting device which comprises a socket fixed to a first pipe, a joint fixed to a second pipe, and a plurality of stopper pieces surrounded with a band spring sleeve, whereby the plurality of stopper pieces are inserted into stopper holes formed at socket, and protrusions of the stopper pieces are inserted to fixing groove of the joint, respectively, so as to be tightly coupled both pipes.

Abstract: A motion-transmitting remote control assembly (10) comprises a flexible conduit (14) with a flexible core element (12) passing therethrough. The flexible conduit (14) has a male coupler (22) attached to one end of the flexible conduit (14). The male coupler (22) comprises a leading chamfered surface (24) and a relief (26) for being locked into a first type of female housing (28) via a spring biased locking ring (32). The male coupler (22) also includes a truncated convex surface (29) which, along with the relief (26), allows the male coupler (22) to be locked into a second type of female housing (110) having removable bolt (116) passing therethrough. The long cylindrical body portion (118) of the bolt (116) positively abuts the relief (26) to lock the male coupler (22) in the female housing (110).

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 coupling socket includes a main cylindrical body and a locking member. The main cylindrical body has a hole extending along its longitudinal axis and a rectangular hole formed on its plug-inserted portion and directed perpendicular to its hole. The locking member includes locking parts provided with ring-shaped pieces engageable with a locking groove on a plug. A plug hole is formed between the locking parts when one of the ring-shaped pieces is placed on the other. The plug hole is made wide when the locking parts approach each other and narrow when they separate from each other. The locking member is fitted into the rectangular hole of the main cylindrical body in such a way that the plug hole is aligned with the hole and that the locking parts is controlled from outside of the main cylindrical body to come close to and separated from each other. Springs are interposed between the main cylindrical body and the locking member to urge the locking parts to apart from each other.

Abstract: A screw-joint type pneumatic tool connector, which comprises an air inlet coupling having received therein a conical spring and a valve, a lock nut connected to the front end of said air inlet coupling by means of screw joint, a stepped control bush having a C-shaped retainer ring externally mounted thereon and being connected to the rear end of the air inlet coupling with a seal ring set therebetween, a socket sleeved on the control bush with an air outlet coupling secured thereto at its rear end by means of screw joint. By means of moving the air outlet coupling inward inside the socket, the valve is moved away from the seal ring to form an air passage for the passing therethrough of compressed air to drive a tool to operate.

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: An improved oil filter adapter is provided and consists of a bracket mounted on an engine block of an industrial gas engine. The bracket has an inlet fitting and an outlet fitting with a threaded lower cylindrical mounting portion. The inlet fitting is connected to an inlet hose and the outlet fitting is connected to an outlet hose of the lubrication system of the industrial gas engine. The threaded lower cylindrical mounting portion engages with the threaded aperture in a standard spin-on type motor vehicle oil filter so as to be integrated into the lubrication system of the industrial gas engine.

Abstract: A male insert member (12) having a part line free seal member (20) of one piece with the male insert member (12) and method for making the male insert (12) is disclosed. The male insert member (12) is configured for insertion into a female receptacle assembly (14) of a coupling assembly (10). The seal member (20) cooperates with an inner surface of a bore (30) to create a fluid tight seal therewith upon insertion into the bore (30).

Abstract: A quick connect/disconnect coupling for hydraulic or pneumatic conduits has a male half (4) and a female half (2) each of said halves having fluid bores therethrough. Split ring segments 7 are arranged in ring within the female coupling half and are movable therein. The ring segments are biased towards the centerline of the coupling by an elastic o-ring (9). When the coupling halves are engaged, the ring segments are positioned between a radially extending shoulder (6) on the male coupling half and a radially extending shoulder (21) on the female coupling half. In the engaged and locked position of the coupling halves, the ring segments in blocking relation with the shoulders holds the coupling halves together. The ring segments are in abutting relation with adjacent ring segments on either side when the coupling halves are in the engaged in locked position. The male coupling half includes a tubular releasing member (10) slidably mounted thereon.

Abstract: A quick disconnect coupling having a socket and a plug. In one embodiment, the plug has an outwardly projecting ring at its end that is captured behind a plurality of pins or an inwardly stepped shoulder formed in the socket in order to prevent the plug from being withdrawn from the socket. The plug is releasably retained in the socket by a variety of means, including a resilient ring surrounding the plug that tightly fits into a stepped shoulder formed in the socket or circumferentially spaced ball bearings mounted on either the plug or the socket and biased into a groove formed on the socket or plug, respectively. In another embodiment of the invention, the plug is formed by a cylindrical sleeve on which retaining fingers are pivotally mounted. The retaining fingers each terminate in a respective retaining tab that is captured behind an inwardly stepped shoulder formed in the socket.

Abstract: An arrangement for axially displacing rolls in rolling mill stands. The rolls of the rolling mill stands are supported in roll supports or chocks which are adjustably and slidably guided in the roll housings of the stand. The rolls are displaceable by means of hydraulic piston-cylinder units which are supported relative to the roll housing and are connected to the supports of the bearings of the roll. The bearings of the rolls are axially slidable within the roll supports and a sliding guide is arranged on the roll support for a sliding carriage which supports a coupling device for a roll neck. The hydraulic piston-cylinder units are articulated to the sliding carriage. The coupling device includes drive members which are slidable in radial guides and can be placed in an annular groove of the roll neck. The coupling device is supported by the neck bushing of the deep-groove-type radial roller bearing which is immovably arranged in the sliding carriage.

Abstract: A beverage dispensing valve primarily for post-mix has a valve body that will accept all known types of beverage flow controls, water and syrup valves that are interchangeable in either of two fluid ports, a reversible block between the valves and a nozzle that enables syrup to be used in either port and water to be used in either port, a positively sealing and easily removable nozzle for improved sanitation and mixing, and multiple fulcrums in the valve body that will respectively accept a manual actuator or a switch actuator and a solenoid driven actuator.

Abstract: A quick connect/disconnect assembly (10) comprises a male insert (50) secured to one end of a hose assembly (14), a separate female adapter (52) for attachment to an aerosol can (12), and dual seal arrangement (68, 70) within the adapter, and a releaseable latch (78) for positively interconnecting the insert and adapter. Upon insertion of the male insert (50), leakage of any fluid is contained within the female adapter (52).

Abstract: A coupling assembly includes a female coupling member that can be connected to a fluid supply source and a male coupling member that can be quickly coupled to the female coupling member and quickly separated from the female coupling member. A pair of spaced latching members provided on the female coupling member move transversely with respect to a longitudinal axis of the coupling assembly into and out of engagement with one or more latch engaging surfaces on the male coupling member. The latching members have openings that are out of alignment with each other. An actuating button on the female coupling member is arranged to move the latching members in predetermined fasion to permit the openings in each of the latching members to sequentially interfere with the latch engaging surface or surfaces on the male coupling member to establish sequential latching positions.

Abstract: A quick-connect fitting or coupling assembly is adapted for releasably connecting and disconnecting a pair of fluid conduits in fluid communication with one another. The assembly includes a socket on one of the fluid conduits for receiving the other fluid conduit inserted longitudinally therein into a releasable interlocking engagement with one or more resilient barbs or retainer finger members on a retainer member removably disposed within the socket. The assembly also preferably includes lateral support members for laterally supporting the fluid conduits relative to one another and thus strengthening the connection therebetween. The assembly also includes a feature in which the retainer member is interconnectable with the socket in a releasable interlocking engagement, preferably by way of one or more resilient locking finger members that are resiliently biased laterally outwardly with tabs that engage complementary openings in the socket member when the retainer member is inserted into the socket member.

Abstract: A fitting is disclosed for covering the vacuum orifice formed in the wall of the swimming pool. The fitting includes a hollow body member connectable to the vacuum orifice and having an opening for receiving a vacuum hose. A spring loaded cap is connected to the body member and is designed to seal the orifice when the cap is in the closed position. A safety locking mechanism is provided to prevent the inadvertent opening of the fitting. In the preferred embodiment, the cap further includes a lug for engaging a vacuum hose to enhance the connection between the hose and the fitting.

Abstract: A quick connect female coupling with a brasing means in a bore of the coupling that bias an O-ring type packing in sealing engagement against part of the coupling and a pipe end portion when the coupling is in use. A retaining ring in the coupling snap fits against an external collar of a pipe end portion as a retaining means when the coupling is in use.

Abstract: A connector assembly 10 is described which permits high pressure connection joints for either high temperature or cryogenic fluid conduits. The assembly 10 comprises in combination a translating carriage 20, a mandrel 50 and a tubular member 70, all including associated functional elements.

Abstract: This invention relates to a double coupling for removably joining twin pipes, wherein the two connectors of the male piece engage in parallel bores in the female piece, and one of them cooperates with a bolt mechanism which ensures removable assembly of the two pieces. In a variant, the bolt is disposed between the two bores in order to cooperate with the two connectors.

Abstract: An improved coupler or tapping mechanism and valve system for obtaining access to a container of fluid. In a container of fluid, and particularly a keg for beer, a valve assembly receiving member or keg neck extends from the top of the container. This keg neck receives a flat top, dual valve system which is operated by the coupler. The improved coupler is placed over the keg neck and is positively secured thereto and sealed relative to the valve assembly by a two point locking mechanism which engages the external surfaces of the keg neck. A safety locking mechanism is provided which prevents removal of the coupler from the keg neck as long as the dual valves are in an open fluid tapping position.

Abstract: A hanger assembly 10 for suspending an inner pipe string 32 within an outer casing 16 from a particular location therein. The hanger assembly includes a hanger body 30 and an expandable locking assembly 46 comprised of a plurality of latching fingers 77 secured at their lower ends about the hanger body by a split retainer ring 48 which permits limited pivotal movement of the latching fingers about their lower ends. Each latching finger 47 is provided with a hook surface 71 adjacent its upper end adapted to engage an upward facing abutment 20 on the inner profile of the outer casing. The free ends of the latching fingers are urged outwardly by a circular spring 58.

Abstract: Apparatus for connecting together flowlines including separately actuated gripping and sealing assemblies which are actuated by hydraulic pressure but are held in actuated positions utilizing internally mounted mechanical-type mechanisms.

Abstract: The present invention relates to a fast connection with radially acting bolt-locking having a groove in the male element and a bolt in the female element that can receive an axial displacement and whose rear flank when locking engages in the groove of the male element, the bolt being urged into locking by a spring. According to the invention, at least two balls mounted with free radial play in the body of the female element are interposed between at least two points on the perimeter of the bolt symmetrical to the axis of thrust of the spring and a longitudinal ramp embodied on the inner surface of a sliding ring. The invention is applicable to fast connections for piping.

Abstract: An apparatus for connecting a riser to a wellhead housing for a tie-back connection allows connection without rotation or hydraulic actuation. A connector body is mounted to the lower end of the riser for lowering over the wellhead housing. Dogs are carried in the connector body, each having grooves on its interior for mating with grooves formed on the wellhead housing. Guide surfaces in the connector body allow the dogs to retract and extend, but only in directions perpendicular to the upper flanks of the wellhead housing grooves. Springs urge the dogs inwardly and downwardly to lock the connector body to the wellhead housing. A release mechanism allows the connector body to be pulled upwardly and removed from the wellhead housing.

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