Abstract: A plug unit for connecting capillary tubes includes a plug housing that has an axial borehole, a plug capillary tube that projects through the axial borehole, and a sealing element that surrounds the plug capillary tube. The front end of the plug capillary tube is sealed by an elastic and/or plastic deformation of the sealing element against the capillary tube receptacle opening of a bushing unit. A hollow cylindrical pressure piece is provided that surrounds the sealing element in an axial region facing away from the end surface of the plug capillary tube, and the pressure piece has a rearward end side that faces away from the end surface of the plug capillary tube and that can be loaded by the plug housing with an axial pressure force when the plug unit and bushing unit are connected.

Abstract: A coupling system having an inner tube, a collar, a circular gasket concentrically disposed between the inner tube and the collar; a pair of CAM levers structurally engageable with the collar, and a handle connecting the pair of CAM levers such that a user can single-handedly move the handle between the locked position and the unlocked position.

Abstract: A fluid connector that connects a first fluid system with a fluid port of a second fluid system for transferring fluids, including gaseous or liquid fluids, between the first and second fluid systems. The fluid connector can be used with differently configured, non-matching threaded fluid ports and allow for misalignment/tipping of the fluid connector to maintain a seal with the fluid port.

Abstract: A coupling/uncoupling device for a plate-like multi-coupling device for the simultaneous connection of a plurality of hydraulic, electrical, and/or pneumatic lines includes quick couplings. In particular, the coupling/uncoupling device is provided with a safety device configured to prevent an accidental uncoupling and to be operated by the operator with one hand only. A plate-like multi-coupling device the includes such coupling/uncoupling device is also an object of the present invention.

Abstract: A coupler assembly is provided that includes an adapter body, a coupler body, and a sealing gasket. The adapter body has a sidewall with a circumferential groove in an outer periphery thereof, the coupler body has a sidewall defining an adapter-receiving socket therein, and the sealing ring is housed within the coupler body and captured between an end wall flange of the coupler body at a base of the adapter-receiving socket and a radially inward extending gasket retaining lip of the coupler body spaced from the end wall flange. At least one cam arm and at least one safety-release tab are connected to the sidewall of the coupler body, and at least one vent channel is formed in the sidewall of the coupler body within the adapter-receiving socket and extends from the end wall flange to beyond the gasket retaining lip of the coupler body adjacent an outer periphery of the sealing ring.

Abstract: A switch cabinet for an exhaust-gas measurement installation includes a cabinet body with two side walls, a ceiling, a floor, a front side and a back wall, a door to close the front side, a measurement gas distributor arranged in the cabinet body with an outlet, a coupling element fastened to the measurement gas distributor to form the outlet, at least one measuring device arranged in the cabinet body with an inlet, and a coupling element fastened to the at least one measuring device to form the inlet. The inlet is connected to the outlet to provide a gas-tight connection. The measurement gas distributor moves relative to the cabinet body so that the coupling element fastened to the measurement gas distributor and forming the outlet can be connected by insertion to the coupling element fastened to the at least one measuring device and forming the inlet.

Abstract: In a method and system for delivering fluid to a fluid consuming asset having a fluid tank, a first tank and a second tank are fluidically coupled and the second tank is pressurized. An inlet of a manifold is fluidically coupled to the second tank and an outlet of the manifold is coupled to a spigot. A first distal end of a fluid transporting mechanism is coupled to the spigot and a second distal end thereof is coupled to a hydraulic connector of a fill cap having a connection plate coupled to the fluid tank of the fluid consuming asset. The fill cap further comprises a probe and fluid flows from the first tank to the second tank, through the manifold and the hydraulic connector, through the probe and into the fluid tank of the fluid consuming asset.

Abstract: A gas injection element (10) for a system for distributing a gas inside a chamber of a fluid catalytic cracking unit. This injection member comprises a passage (14) extending entirely therethrough, and—an inner ceramic member (20) having an inner surface (22) that entirely delimits the through-passage (14); and—a hollow metal sleeve (30), inside which at least a portion of the inner member (20) is received, the sleeve (30) and the inner member (20) respectively having an inner surface (32) and an outer surface (24) with matching shapes allowing the inner member (20) to move relative to the sleeve (30) in a direction parallel to an axis (X) of the passage (14), the outer (32) and inner surfaces (24) being provided with fastening elements (26, 36) that engage to reversibly fasten the sleeve and the inner member.

Abstract: Method and apparatus for a safety lock assembly for a cam lock fitting mounted onto the outside of the cam lock fitting in close proximity to the cam levers to prevent complete separation of the male and the female portions of the fitting to prevent inadvertent pressurized discharge of dangerous materials. In one embodiment, this is accomplished by having slidable bosses upon which the cam levers are mounted which bosses are adapted to slide in response to movement of a safety handle so that the male and female portions of the cam lock fitting only slightly separate from each other allowing the operator to quickly reclose the cam lock fitting if the operator observes that the cam lock fitting still contains pressurized material. In a second embodiment, an earless cam disk moves on slotted, fixedly mounted bosses in response to movement of a safety handle similarly to the first embodiment.

Abstract: A pipe cap assembly for a normally-sealed system includes a pipe cap having a base portion. The pipe cap includes a connector portion extending from the base portion. A fluid passage extends through both the base portion and connector portion. A transition cap may be releasably coupled to the connector portion for sealing the fluid passage during normal operation. A transition fitting provides periodic access to the sealed system and includes an access port at one end, and a tubular port and fastener at the other end. The tubular port and fastener releasably couple to the connector portion of the pipe cap to provide access. A drain hose, vent hose, or the like, may be easily coupled to the access port of the transition fitting. A test instrument may be coupled either to the access port or directly to the connector portion.

Abstract: A check link assembly includes a link movable between a first position and a second position. Furthermore, a vehicle includes the check link assembly. The check link assembly also includes a braking apparatus coupled to the link. The braking apparatus includes a brake member movable between an applied position and a released position. The brake member is configured to apply a force to the link when the brake member is in the applied position. The brake member is configured to release the link when the brake member is in the released position.

Abstract: A cam lock fitting having a rotating female portion which may include a safety lock which prevents separation of the male and the female portions of the fitting to prevent inadvertent pressurized discharges. Rotation of the female portion is accomplished by placing a connecting collar on the rear of the female end portion so that the female portion rotates about the connecting collar. The safety lock mechanism operates by placing opposing notches in the end of the male portion so that when the cam levers are opened the male and female portions of the cam lock fitting initially only slightly separate allowing the operator to quickly reclose the cam lock fitting if it contains pressurized material. The rotating female portion easily aligns the cam lobes of the cam lever with the notches on the male coupling so that the male and female portions can be separated.

Abstract: A wide-range coupling includes a body, the body defining a first body end and a second body end, a body bore defined extending through the body from the first body end to the second body end, the body bore defining an axis; a gasket positioned within the body bore; a sleeve positioned at least partially within the body bore proximate to the first body end; and a sleeve actuator attached to the body, the sleeve actuator mechanically engaging the sleeve, the sleeve actuator configured to axially translate the sleeve relative to the axis of the body bore about and between a disengaged position and an engaged position.

Abstract: Method and apparatus for a safety lock assembly for a cam lock fitting mounted onto the outside of the cam lock fitting so that the safety lock mechanism is in close proximity to the cam levers so that when the cam lock fitting is pressurized and the operator attempts to open the cam lock fitting the safety lock mechanism will prevent operation or separation of the male and the female portions of the fitting. This is accomplished by having slidable axles mounted in elongated slots in the bosses adapted to slide in response to movement of a safety lock mechanism handle so that the male and female portions of the cam lock fitting initially only slightly separate allowing the operator to quickly reclose the cam lock fitting if the operator observes that the cam lock fitting is still pressurized.

Abstract: A rapid-connect coupler includes: an end fitting for conveying a fluid stream; a probe for conveying the fluid stream; a valve configured to occupy a closed position blocking fluid communication between the probe and the end fitting and an open position enabling fluid communication between the probe and the end fitting; a handle configured to actuate the valve between the closed and open positions; a sleeve moveable between a first sleeve position and a second sleeve position. The sleeve, in the first sleeve position, is configured to prevent the handle from actuating the valve from the closed position to the open position.

Abstract: A method and apparatus for an improved safety cam lock fitting having double cam levers having outer and inner portions so that when the outer cam levers are opened and the inner cam lever remain closed, the male and female portions of the cam lock fitting only slightly separate from each other allowing the operator to quickly reclose the cam lock fitting if the operator observes that the cam lock fitting still contains pressurized material. This is accomplished by providing a larger cam lobe on the outer cam lever and a smaller cam lobe on the inner cam lever so that when the smaller cam lobe is in a closed position and protrudes into a peripheral groove on the male portion the male and female ends have a small space therein between. Various lever locking assemblies may be used to prevent the cam levers from being inadvertently opened.

Abstract: A method and apparatus for an improved safety cam lock fitting having double cam levers having outer and inner portions so that when the outer cam levers are opened and the inner cam lever remain closed, the male and female portions of the cam lock fitting only slightly separate from each other allowing the operator to quickly reclose the cam lock fitting if the operator observes that the cam lock fitting still contains pressurized material. This is accomplished by providing a larger cam lobe on the outer cam lever and a smaller cam lobe on the inner cam lever so that when the smaller cam lobe is in a closed position and protrudes into a peripheral groove on the male portion the male and female ends have a small space therein between. Various configurations of the cam portions relative to each other are provided. Various lever locking assemblies may be used to prevent the cam levers from being inadvertently opened.

Abstract: A method of sealing a multi-component bipolar plate is disclosed. The method may include inserting a first seal between a first component and a second component, wherein the first seal is aligned with a first plurality of protrusions formed on a surface of at least one of the first component and the second component. The method may also include compressing the first component and the second component to cause the penetration of the first plurality of protrusions into the first seal. The method may further include plastically deforming the first seal in order to create a first sealing surface between the first component and the second component.

Abstract: A method and apparatus for an improved safety cam lock fitting having side by side double cam levers having outer and inner portions so that when the outer cam levers are opened and the inner cam lever remain closed, the male and female portions of the cam lock fitting only slightly separate from each other allowing the operator to quickly reclose the cam lock fitting if the operator observes that the cam lock fitting still contains pressurized material. This is accomplished by providing a larger cam lobe on the outer cam lever and a smaller cam lobe on the inner cam lever so that when the smaller cam lobe is in a closed position and protrudes into a peripheral groove on the male portion the male and female ends have a small space therein between. A lever latching mechanism may be used to prevent the cam levers from being inadvertently opened.

Abstract: A sunshade is installed to a glazing part, which comprises a transparent sheet with a first end edge and second end edge and a first side edge and second side edge. The side edges are free edges of the sheet. At least one first fastening element is attached close to the first end edge of the transparent sheet and at least one second fastening element is attached close to the second end edge of the transparent sheet, and the sunshade is suspended on the said fastening elements. The first and second fastening elements are attached to the side edges of the transparent sheet.

Abstract: A hose quick coupling used to connect and buckle a nozzle includes a hose coupling main body and at least one buckle device. The buckle device includes a buckle handle pivotally connected to the hose coupling main body, an engaging pin movably disposed in the buckle handle, and a locking piece pivoted to the inner side of the buckle handle. When the engaging pin is biased by an elastic member, the upper end of the engaging pin extends out of the buckle handle and engages with the side wall of the hose coupling main body so that the buckle handle cannot be turned. Conversely, when the engaging pin is pulled to retract into the buckle handle, the engaging pin is disengaged and the buckle handle can be turned so that the nozzle can disengage from the hose coupling main body.

Abstract: An anti-loosening buckle mounted at the hose connector body of a hose connector for locking an adapter mouthpiece includes a locking lever, a stop device, an interlocking member, and a position-limiting member. The locking lever is pivotally connected to the hose connector body and has a cam portion and an operating grip respectively disposed at two opposite ends. The stop device is slidably coupled to the operating grip. The interlocking member is coupled between the stop device and the hose connector body. The position-limiting member is mounted at the operating grip. When the locking lever is in the locking position, the bottom side of the stop device is abutted against the position-limiting member to lock the locking lever. When the position-limiting member is pulled away from the stop device, the locking lever is released from the constraint and can be freely biased.

Abstract: A fire engine hose connector system and a method for using the system are reported. The system allows for rapid connection between the fire hose and the fire engine, and more importantly the system enables even more rapid disconnection. The fire engine and firefighting personnel may make a rapid escape form an overtaking wildfire. The ability to rapidly disconnect and escape from the fire scene allows the fire engine and personnel to access hydrant supplies that would otherwise not be available due to safety procedures that preclude connection when the long disconnect time requirements of prior art connectors place the escape of the fire engine and personnel at risk in a rapidly moving fire. The connector further includes a means to bend the connector for stress relief and ease of handling and multiple safety interlocks.

Abstract: The disclosure relates to a dual use coupling end including a pipe section having an annular recessed cam groove a distance from an annular endwardly facing surface of the pipe section, the cam groove defined by a curved or tapered cam groove surface extending gradually radially inwardly from an annular radial outer surface of the fitting adjacent toward the endwardly facing surface, to an annular clamp groove terminating on an opposite end by a radially outwardly extending annular clamp abutment surface located a distance from the endwardly facing surface. The clamp abutment surface extends a distance radially outwardly from the radial innermost portion to an annular beveled cam abutment surface at an acute angle to the clamp abutment surface and facing radially outwardly from the endwardly facing surface, the cam abutment surface disposed radially outwardly of the cam groove surface and including a radial outward discontinuous extension.

Abstract: A process of making a wear-resistant actuating lever is disclosed. The wear-resistant actuating lever includes a lever body made of metal and an integrally molded cover layer made of a polytetrafluoroethylene-based material. The lever body includes a head segment having an upper major surface, a cam-forming surface, a through hole, and at least one upper concavity formed in the upper major surface. The integrally molded cover layer covers on the head segment and is molded thereon using plastic injection molding, and includes an upper portion covering an upper major surface, a cam portion covering a cam-forming surface, and an upper protuberance portion in the upper concavity.

Abstract: A cam and groove coupling joint has a male coupling and a female coupling that includes two pairs of lugs on the body and further includes pins supported by each pair of lugs. A pair of cam arms are pivotally mounted to the pins between the lugs. The cam arms are movable between an open position in which the male coupling is free to move relative to the female coupling and a closed position in which a cam of each cam arm engages the groove to lock the male coupling inside the female coupling. A rotatable wire clip secures the cam arms in the closed position, the wire clip being rotatably connected to each lug between a secured position in which the wire clip secures the cam arm to prevent opening of the cam arm and an unsecured position in which the cam arm is free to be opened.

Abstract: The coupling having hammer ears is a cam and groove coupling wherein the female portion of the coupling is fitted with a collar formed with hammer ears that provide a location designed to safely receive hammer blows without otherwise damaging the cam and groove coupling. The coupling having hammer ears includes the female connection of a cam and groove coupling and a collar.

Abstract: A hose coupling includes a hose coupling member and a cover. The cover includes a cover face and a connecting portion. The cover and the hose coupling member are locked through a locking structure. The locking structure includes a handle, an opening, and an annular limit groove. The annular limit groove is disposed around a circumferential wall of the connecting portion. The opening penetrates a side wall of the hose coupling member. One end of the handle is a curved limit portion to mate with the annular limit groove. The limit portion penetrates the opening to be engaged in the limit groove and is hinged on the hose coupling member through a pivot seat. The pivot seat includes a first seat and a second seat. Outer ends of the first seat and the second seat are each formed with a pin hole for a safety pin to be inserted therethrough.

Abstract: This invention relates to a means of remotely coupling and decoupling various devices connected to: 1) Municipal drinking (potable), reuse (non-potable), industry process water, and wastewater treatment systems; and, 2) Industrial fluid distribution systems by means of a remotely actuated cam-lock coupling actuator and discharge containment device capable of remotely locking and unlocking the locking handles found on conventional female cam-lock couplings while simultaneously containing the forceful spray discharge ordinarily encountered when decoupling occurs.

Abstract: A coupling device for fluid lines includes a female part having a rotatable locking arm with a cam, and a male part defining a longitudinal channel and a circumferential groove on its external surface, The male part is inserted into the female part by rotating the locking arm to its unlocked position, aligning the longitudinal channel with the cam, and sliding the cam within the longitudinal channel. The male part is locked into the female part by rotating the cam within the circumferential groove away from the longitudinal channel, and rotating the locking arm into its locked position so that the cam protrudes further into the circumferential groove. Even when the locking arm is rotated to its unlocked position, the cam engages the circumferential groove to retain the male part within the female part unless the cam is rotated within the circumferential groove into alignment with the longitudinal channel.

Abstract: An apparatus includes a substantially cylindrical and hollow main body having an open end and a closed end and a bayonet component extending therein. The bayonet component has a shaft at least partially enclosed within the main body and a pair of opposing protrusions extending radially outside of the main body proximate to a first end of the shaft. The apparatus further includes a lever rotatably coupled to the main body proximate to the open end thereof, and the lever includes a locking recess selectively aligned with the open end of the main body. The apparatus also includes a resilient member enclosed within the main body between the closed end thereof and the first end of the shaft of the bayonet component, and the resilient member biases the bayonet component toward the lever. The bayonet component engages the locking recess to inhibit rotation of the lever relative to the main body.

Abstract: A fluid coupling including an annular adapter with a cam receiving groove and an annular coupler slidable onto the adapter with cam levers movable to engage cams within the cam receiving groove. The adapter is made of Ultra High Density Polyethylene and has a metal insert or collar defining the cam receiving groove.

Abstract: A locking clip for use with a hose coupling is provided that includes a first member and a second member that grasp and maintain a locking arm of a locking mechanism commonly used in conjunction with hose couplings.

Abstract: A duct coupling apparatus includes a collar portion having a first end and a second end, a flange disposed about the collar portion in a manner that divides the collar portion into an first side and a second side, and a retaining structure extending from a surface of the flange towards the second side of the collar portion. The retaining structure and the collar portion define therebetween an annular region for receipt of a sealing element, such as an o-ring or gasket. The retaining structure prevents the sealing element from extruding outwards and/or failing when under pressure.

Abstract: The safety device (1) for containers includes at least two units (3) to be engaged with each other so as to define an inner volume adapted to receive the fluid under pressure, the safety device (1) comprising a closing system (4) defining a closed position in which the components (3) are combined together in a fluid-tight manner, and an open position in which they can be mutually moved apart; a vent member (5) suitable to enable the fluid under pressure to be released or prevent the fluid under pressure from being released, and at least one junction mechanism (14) to operatively connect the vent member (5) to the closing system (4), to lock the closing system (4) to the closed position when the vent member (5) is also in the closed position and preventing the opening of the closing system (4) when the vent member (5) is the closed position.

Abstract: A method for using a fire engine hose connector system is reported. The system allows for rapid connection between the fire hose and the fire engine, and more importantly the system enables even more rapid disconnection. The fire engine and fire fighting personnel may make a rapid escape form an overtaking wildfire. The ability to rapidly disconnect and escape from the fire scene allows the fire engine and personnel to access hydrant supplies that would otherwise not be available due to safety procedures that preclude connection when the long disconnect time requirements of prior art connectors place the escape of the fire engine and personnel at risk in a rapidly moving fire.

Abstract: A cam-lock actuating device for use in a locking coupling assembly that couples two tubular members, includes an actuatable lever having a head pivotally mounted on a female tubular coupler, an angularly positioning member coupled to be turned with the head, and leading and trailing releasably retaining members independently disposed on at least one of the head and the angularly positioning member such that, during turning of the actuatable lever to an unlocked position, the trailing releasably retaining member can be held in partially locking engagement with a male tubular coupler to prevent complete removal of the male tubular coupler from the female tubular coupler while permitting gradual relief of internal pressure.

Abstract: A preconditioned air connector (PCA) may be provided with a hollow body configured to pass a fluid flow, and a first mount assembly coupled to the hollow body. The first mount assembly may include a first cam joint with a first arcuate path of motion in a first plane generally tangential to the hollow body, a first mount coupled to the first cam joint, and a first lever coupled to the first cam joint. The first lever may be configured to actuate the first mount via a first transfer of motion through the first cam joint to draw the first mount inwardly toward the hollow body. In addition, the first mount may be configured to draw the hollow body and a mating component inwardly toward one another to pass the fluid flow between the hollow body and the mating component.

Abstract: A coupling device (1) for connecting and/or closing off fluid lines (60) includes: a male coupling element (2) having a continuous recess (5) provided around the outer circumference and one radial projection (6); a female coupling element (3) having an arm (9) which includes, at one end, an operating element (10) and, at an opposite end, at least one radially extending locking element (11). The female coupling element (3) further includes a slot (108) that extends in axial direction and is a breather duct when the arm (9) is in the first position; a bayonet fastening which is formed by a labyrinth-like guide (12) in the wall (7) of the female coupling element (3) and the radial projection (6) of the male coupling element (2). Also described are a line path and a line end section in which the coupling device has been accommodated.

Abstract: This female element (3) of a coupling (1) for the disconnectable connection of two fluid pipe lines comprises: a body (4) able to receive through fitting a male element (2) and defining a channel for the passage of the fluid, at least one locking element (7a) mobile in rotation with respect to the body (4) of the female element (3) around a generally orthoradial axis (X40a-X?40a), between a first angular position wherein the locking element (7a) locks the male element (2) in the coupled configuration, and a second angular position wherein the locking element (7a) authorises the withdrawal of the male element (2).

Abstract: A medical waste fluid collection and disposal system includes a medical waste fluid collection cart including first and second fluid collection canisters. A valve assembly selectively communicates with the canisters and a valve drive system controls the valve assembly. A liquid level sensor is positioned within each of the canisters. A cart processor communicates with the liquid level sensors and the valve drive system. A cart drain line communicates with the valve assembly and a receptacle, a cart flushing line communicates with the valve assembly and the receptacle and a cart data line and a cart power line communicate with the cart processor and the cart receptacle. A station includes a drain pump that communicates with a drainage system and a station drain line, a flushing pump that communicates with a source of washing liquid and a station flushing line and a station processor in communication with the drain and flushing pumps. A station data line communicates with the station processor.

Abstract: A connector system for use with a fire engine that includes quick disconnect connectors for connecting a water supply such as a fire hydrant to an inlet on the fire engine. Quick disconnect connectors are attached to existing inlets on the fire engine or onto existing fitting on a fire hydrant or on both. The fittings include valves positioned such that a fire hose may be charged with water from the hydrant and connected or disconnected from the fire engine inlet without first draining the hose.

Abstract: A coupling device for fluid lines includes a female part having a rotatable locking arm with a cam, and a male part defining a longitudinal channel and a circumferential groove on its external surface, The male part is inserted into the female part by rotating the locking arm to its unlocked position, aligning the longitudinal channel with the cam, and sliding the cam within the longitudinal channel. The male part is locked into the female part by rotating the cam within the circumferential groove away from the longitudinal channel, and rotating the locking arm into its locked position so that the cam protrudes further into the circumferential groove. Even when the locking arm is rotated to its unlocked position, the cam engages the circumferential groove to retain the male part within the female part unless the cam is rotated within the circumferential groove into alignment with the longitudinal channel.

Abstract: A grooved lock coupler for holding a tee to a flow line for forced air conveyance and unloading of dry bulk granular material from a storage container vehicle is disclosed which comprises a tee having a first end, a second end, an inlet end, and a circumferential groove provided on the first end and a coupler for interconnecting to a flow line from the tee, the coupler having a cam lock fastener pivotally mounted on the coupler, the cam lock fastener cooperating with an opening in the coupler proximate the fastener to allow for the cam lock to extend through the opening in the coupler and to engage within the groove to lock the flow line and coupler to the tee in preparation for an unloading process.

Abstract: A lock for a cam-and-groove coupler comprises a collar member positionable around the cam-and-groove coupler. The collar member comprises at least first and second wall portions. The first wall portion is positionable adjacent the first lever arm of the cam-and-groove coupler to prevent movement of the first lever arm to an unsecured position. The second wall portion is positionable adjacent a second lever arm of the cam-and-groove coupler to prevent movement of the second lever arm to the unsecured position. The lock further comprises at least one projection extending inwardly from the collar member and configured to engage the cam-and-groove coupler to prevent the collar member from sliding off of the cam-and-groove coupler. At least one securing member is coupled to the collar member and configured to releasably secure the collar member around the cam-and-groove-coupler.

Abstract: A system is disclosed for securing devices to various openings in tanks, vessels, walls, and the like. The system includes a fastening mechanism, a securing device, and a raised lip. The fastening mechanism functions to hold devices up against the vessel opening where the system is used while the securing device may function to secure hoses that may be utilized with fans or ventilators that are to be utilized with the system.

Abstract: A clamp (106) for a pipe assembly (101) having an adjustable effective length is disclosed. The clamp (106) comprises: a clamp body (107) configured to be clamped to the pipe assembly (101) and includes an engagement device (233; 234) having a channel (301); and a handle (108) pivotably connected to the clamp body (107) and includes an engagement member (227; 229). The handle 108 is pivotable between a first position in which the engagement member (227; 229) engages with the channel (301) of the engagement device (233; 234) to maintain the position of the handle relative to the clamp body whilst allowing free adjustment of the effective length of the pipe assembly, and a second position in which the engagement member is disengaged from the channel to tighten the clamp body. An engagement device (233; 234) for use in the clamp (106), and a pipe assembly (101) having an adjustable effective length and including the clamp (106) are also disclosed.

Abstract: A cam-lock actuating device for use in a locking coupling assembly that couples two tubular members, includes an actuatable lever having a head pivotally mounted on a female tubular coupler, an angularly positioning member coupled to be turned with the head, and leading and trailing releasably retaining members independently disposed on at least one of the head and the angularly positioning member such that, during turning of the actuatable lever to an unlocked position, the trailing releasably retaining member can be held in partially locking engagement with a male tubular coupler to prevent complete removal of the male tubular coupler from the female tubular coupler while permitting gradual relief of internal pressure.

Abstract: A coupling device for transferring pressurized fluids including an end piece body having a bearing portion and defining a fluid flow channel, an end piece ring provided with an inner cavity and a threaded radial surface, and an element for displacing the end piece body in a forward direction parallel to a longitudinal axis of the end piece ring and inside the inner cavity. The device has an intermediate member having a body with a radial surface with an external thread complementary to the external thread of the end piece ring and a locking mechanism movable between a position blocking a coupling element introduced into the intermediate member and a position where the locking mechanism allows withdrawal of the coupling element from the intermediate member.

Abstract: A connector for connecting a tank truck to an underground oil depot has a body, a handle, a transmission device and two locking arms. The body has a mounting tube and a connection tube respectively connected with an oil drain valve and an oil pipe. The handle is pivotally mounted on the body. The transmission device is pivotally connected to the handle and has a linking lever and two transmitting levers. The linking lever is pivotally connected to the handle, and the transmitting levers are pivotally and slidably connected to the linking lever. The locking arms are pivotally mounted on the mounting tube of the body, selectively extend into the mounting tube and are respectively connected securely to the transmitting levers. Each locking arm has a pushing protrusion mounted on the locking arm and is adapted to push against a joint on the oil drain valve.