Abstract: A connector system is provided for connecting parts of an apparatus. A first part having one or more bayonet connectors and one or more retention pin receptacles cooperatively mates to a second part having one or more mating bayonet connectors. The second part further provides one or more retention pin bores. The first and second parts assemble to form a bayonet connection such that at least one pin retention bore aligns with at least one retention pin receptacle. At least one retention pin assembly disposed through the at least one pin retention bore selectively engages the retention pin receptacle to secure the connection of the first part to the second part of the apparatus.

Abstract: A system and method for a valve for an expandable gas or fluid valve is disclosed. The valve comprises an electromagnetic switch with a male connector on one face, and a female connector on an opposite face. The electromagnetic switch has a passageway connecting the male connector with the female connector. An output port is switchably connected to the passageway by the electromagnetic switch. The male connector on one face can be coupled to the female connector on another electromagnetic switch, forming a line or chain of electromagnetic switches.

Abstract: A connector system is provided for connecting parts of an apparatus. A first part having one or more bayonet connectors and one or more retention pin receptacles cooperatively mates to a second part having one or more mating bayonet connectors. The second part further provides one or more retention pin bores. The first and second parts assemble to form a bayonet connection such that at least one pin retention bore aligns with at least one retention pin receptacle. At least one retention pin assembly disposed through the at least one pin retention bore selectively engages the retention pin receptacle to secure the connection of the first part to the second part of the apparatus.

Abstract: A connector system for releasably securing a reservoir to a spray gun includes hook members on a lid of the reservoir that engage a flange of an inlet adaptor on the spray gun with a push/twist action to secure the reservoir to the spray gun. A retainer clip mounted on the inlet adaptor is movable between an inoperative position to allow the reservoir to be connected to and disconnected from the spray gun, and an operative position in which the clip blocks release of the reservoir. The clip provides security against accidental release of the reservoir in use of the spray gun.

Abstract: An adapter assembly for connecting a fluid supply assembly to a fluid applicator. The adapter assembly includes an outer lid for the fluid supply assembly and an adapter. The adapter assembly provides a connection between the fluid supply assembly and the fluid applicator that can be engaged quickly, easily, and securely, and which has a strong tight seal around the connection.

Abstract: A connector system for releasably securing a reservoir to a spray gun includes hook members on a lid of the reservoir that engage a flange of an inlet adaptor on the spray gun with a push/twist action to secure the reservoir to the spray gun. A retainer clip mounted on the inlet adaptor is movable between an inoperative position to allow the reservoir to be connected to and disconnected from the spray gun, and an operative position in which the clip blocks release of the reservoir. The clip provides security against accidental release of the reservoir in use of the spray gun.

Abstract: Linearly actuated quick connect pipe couplings which include a male element and a female element adapted to fit into each other along a principal axis. One of the elements includes at least one ramp for receiving a radial projection mounted to the other element which locks the elements together by axial movement of the elements relative to one another. One of the ramp or the projection is formed with a ring mounted to rotate but is fixed in translation along the principal axis of one of the male or female elements. The ramp forms a first seat for locking the projection when the coupling is in a configuration to permit fluid passage and a second seat, offset axially with respect to the first seat, for locking the projection when the coupling is in a configuration to permit decompression of fluid within the coupling.

Abstract: A disconnectable hot air nozzle device is provided with a nozzle holder 2 having an introducing portion 2c and a hook shaped retaining portion 2d, an attachment 3, and a cover 4 vertically replaceable for a predetermined amount relative to the attachment and having a retaining pin 4a, with the retaining pin being introduced from the introducing portion 2c of the nozzle holder 3 into a retaining portion 2d. The nozzle holder 2 and the attachment 3 are disconnectably fixed with each other, with the abutting surfaces provided on the nozzle holder 2 and the attachment 3 being brought into abutment with each other by a force applied from a urging member 5 to the nozzle holder 2 via the retaining pin 4a.

Abstract: An instantly-released joint for water conduits comprises a first connector in hollow form with one end coupled to a water conduit, and the other end extruding to form a connecting rod having two locking elements on the top; a second connector in hollow form with one end coupled to a water conduit, and the other end provided with locking holes on the surface, while the inner wall of the second connector without locking holes is provided with grooves extended through outside of the second connector; and a pillar plug having a close end and a free end can operate as a valve. The locking elements of the first connector slide along the grooves of the second connector and are engaged in the locking holes after being turned at a certain angle, such that the two water conduits can be coupled with each other to become a thorough conduit. When turning back the joint at a certain angle, the water conduit assembly would be instantly released.

Abstract: The present invention provides a tab-lock fastener for connecting first and second vent pipes typically used to exhaust products of combustion of natural gas appliances. The tab-lock fastener includes a guide and a tab-lock receptacle formed on a male end of the first vent pipe, an engaging tab formed on a female end of the second vent pipe, and a locking tab formed on the female end of the second vent pipe. The first and second vent pipes are assembled by inserting the male end of the first vent pipe into the female end of the second vent pipe so that the engaging tab is received in the guide and twisting one of the vent pipes with respect to the other vent pipe. The locking tab engages a wall of the tab-lock receptacle to prevent untwisting and unwanted disconnection of the vent pipes.

Abstract: A valve used for an inflatable article includes a valve body and a male connector. The valve body has a rear hollow portion, a female connector attached to the rear hollow portion, and a spring-loaded valve core movable therein. The male connector has a first tubular end and a second tubular end, and the second tubular end is dimensioned to be snugly plugged in the female connector to move the spring-loaded valve core backward. Furthermore, the female connector of the valve body defines a pair of L-shaped slots, while the male connector is formed with a pair of bayonet fittings adapted to be held in the L-shaped slots after the second tubular end is plugged, thereby allowing the male connector to be fastened to the female connector and hence to the valve body in a quick-detachable manner.

Abstract: A heavy duty, locked, tubular quick coupling used for coupling oil and gas well tubing or pipe joints, thus allowing long strings of pipe and tube joints subsequently connected to at least one such quick coupled joint to be lifted as a string, thereby applying tensile loading to the quick coupled joints. Both interior and exterior locking arrangements for the locked quick coupling are disclosed which utilize twist-locking elements secured in position by a locking washer and cap nut. Arrangements are also disclosed illustrating how the locking couplings are used for fast setup of wire-line riser strings utilizing multiple specialty subs and valve assemblies.

Abstract: An exhaust gas purification system for denoxing exhaust gases of a combustion unit on an SCR catalyst 2 utilizing ammonia (NH3) additionally introduced into the exhaust gas flow before the SCR catalyst 2, which has at least one reducing agent container 4, in which the NH3 (5) to be supplied to the exhaust gas flow is stored, which container 4 is connected via a supply line 7 with the exhaust gas line 1, and is adapted so that at least one reducing agent container 4 is held in a docking device 15 as a portion of the exhaust gas purification system 3 and, via a coupling 20, 21, is connected with the supply line 7. Of coupling 20, 22 one coupling part 22 is associated with the docking device 15 and the other coupling part 20 with the container 4, so that both coupling parts 20, 22 can be engaged with one another via an axial movement directed toward one another.

Abstract: A coupling device for connecting a filter element to a fluid conduit has a male coupling secured to either the fluid conduit or the filter element. The male coupling also has at least two radially projecting tabs. A polymeric female coupling engages with the male coupling for securing the filter element on the fluid conduit. The female coupling also has lands for receiving the tabs. The male and female couplings each have a passageway for fluid and that generally defines an axial direction. Each tab is configured for distributing an axial force generally throughout the tab and laterally relative the axial direction so that either the land being forced against the tab or the tab being forced against the land does not damage the female coupling and as long as the filter element remains secured to the fluid conduit.

Abstract: A venting system for a direct vent fireplace or other direct vent appliance to direct combustion gases to an exterior area. The direct venting vent pipe facilitates unrestricted lengths of pipe installations. The vent pipe has a double wall construction forming an interior axial passageway and a coaxial outer passageway. The double walls are spaced apart by an insert to maintain coaxial spacing. Sections of the vent pipe are lockingly connected to prevent separation and ensure sealing connection between the pipe sections. Elastic seal members are utilized between the matingly connected sections and a mechanical lock assembly prevents separation.

Abstract: A resilient retention method which retains two assemblies axially through the use of a flange and lip arrangement and simultaneously retains those assemblies rotationally through either a radial detent or a snap spring are shown in variations. The designs are especially configured for molding so that each might utilize the material properties available and yet be economically manufactured. Further, user features including both visual and potentially audible indications of full assembly are incorporated into the designs and automatically achieved. Shut-off valve designs are shown which are automatically delayed in opening until some axial retention occurs to minimize any blow-off or other undesirable operational events. Swivel features may be incorporated when the application requires.

Abstract: The present invention relates to a pipe connection configuration which is particularly used for furnace exhaust pipe connection or the like. A sheet metal pipe with an open end thereof is mounted to a sheet metal T-shaped three-way pipe joint. The pipe joint has a first pipe section and a second pipe section extending perpendicularly from the first pipe section. The pipe joint includes a pair of diametrically opposed bayonet slots extending from an open end of the second pipe section for receiving and engaging a pair of diametrically opposed pins projecting radially and outwardly from the pipe when the open end of the pipe slides into the open end of the second pipe section, in order to ensure a secure connection between the pipe and the pipe joint. Such a pipe connection configuration provides a self-locking connection of the pipe to the T-shaped three-way pipe joint in a very simple manner which reduces the amount of labour required on site.

Abstract: An annular casing for a high-pressure compressor of a gas turbine includes several casing rings 1, 2 in axial arrangement, with at least two adjacent casing rings 1, 2 being connected by means of a bayonet joint 3.

Abstract: A device to reduce s and leakage from the sewage removal systems typical of recreational vehicles includes an annular coupler to provide a water-tight seal while enabling free, full rotational movement of the waste removal hose at the point of its connection to the external waste outlet for positioning until locked into the desired position, thus permitting a connection to a waste receiving tank from any direction. The use of an angled or curved pipe further increases the ability to position the device in a manner that provides the least stress at the point of the attachment of a waste-removal hose. The device is an attachment which fits between a standard external waste outlet and a standard flexible waste-removal hose. A method of making a waste-removal conduit attachment from commercially available parts is also provided.

Abstract: The present invention relates to a quick connection for the removable join of two pipes, which comprises a male element and a female element adapted to fit into each other along a principal axis of the connection, the female element comprising at least one ramp for receiving a radially projecting part of the male element with a view to locking these elements when the connection is in configuration of passage.

Abstract: A drain cover assembly with a hollow conduit member with an open end that penetrates and extends through a drain port of a bathtub, and a drain cover with a center opening, a horizontal flange, and an integral sleeve that extends into the open end of the conduit, the sleeve having protruding elements that are received by slots on the interior of the conduit to guide and releasably secure the drain cover to the conduit.

Abstract: The invention relates to a corrugated plastic pipe arrangement with a first preferably cylindrical pipe body, a second preferably cylindrical pipe body, and a connecting portion including first and second connecting parts respectively associated with one of the pipe bodies, whereby one connecting part includes an engagement extent and the other connecting part a holding region for holding the engagement extent in a holding position in which the pipe bodies are connected to one another.

Abstract: A seal mechanism for conveniently coupling bayonet-type connectors while providing stable compression of the seal therebetween. The mechanism enables a more rigid configuration providing increased resistance to deformation from lateral forces. The mechanism incorporates an internally threaded coupling nut support element which cooperates with a threaded flange projecting from the plug sleeve to maintain a hermetic seal under conditions applying lateral forces to the connection. Interaction between the support element and the threaded flange permit the support element to be installed onto or removed from the connector assembly.

Abstract: A blower for a furnace is provided with an exhaust flange having a compressible end portion, and a flexible fitting adapted to receive an exhaust pipe is insertable into an interior of the exhaust flange. A clamp compresses the compressible end portion about the flexible fitting and the exhaust pipe to secure the exhaust pipe to the blower. A drain may be provided adjacent the compressible end portion to remove condensate which may be entrained in the exhaust gases from the exhaust pipe, exhaust fitting and exhaust flange.

Abstract: The inventive device includes a cylindrical housing adapted to receive a filter, the housing having an axis being fixed at a second end to a ventilation circuit flange and having a first end mounted on a mobile companion flange, the companion flange being held in resilient manner under axial tension by holding means under tension, a sheath in alignment with and secured to the housing, about which sheath the companion flange slides axially, a seal disposed between the sheath and the companion flange, three fixed wheels secured to the sheath and projecting outwards therefrom; a cam surrounding the sheath over a certain length and made up of a ring having three ramps each in the form of a helical segment, the ramps receiving respective ones of the wheels, turning of the cam causing the companion flange to move in axial translation; and means for turning the cam. The invention is specially suited to filtering a ventilation circuit in a hostile environment in the nuclear industry.

Abstract: An under-sink waste pipe system comprises first and second waste pipes telescoped together, a softly resilient seal ring that both seals the waste-pipe juncture and secures the waste pipes together, a locking ring for compressing the sealing ring into resilient locking and sealing engagement with the waste pipes, and a latching mechanism for securing the locking ring in place with the seal ring resiliently compressed a predetermined degree. The latching mechanism maintains the locking ring secured to the end flange structure and comprises at least first and second latching projections on the end flange structure that extend towards the locking ring, and projection guiding cam surfaces formed in the locking ring. Each projection guiding cam surface terminates in a notch-like latching recess.

Abstract: An under-sink waste pipe system comprises first and second waste pipes telescoped together, a softly resilient seal ring that adapts a smaller pipe for coupling to a larger pipe, seals the waste-pipe juncture, and secures the waste pipes together, a locking ring for compressing the sealing ring into resilient locking and sealing engagement with the waste pipes, and a latching mechanism for securing the locking ring in place with the seal ring resiliently compressed a predetermined degree. The latching mechanism maintains the locking ring secured to the end flange structure and comprises at least first and second latching projections on the end flange structure that extend towards the locking ring, and projection guiding cam surfaces formed in the locking ring. Each projection guiding cam surface terminates in a notch-like latching recess.

Abstract: A fire-fighting tool incorporates a twist-lock mechanism whereby various nozzles can be interchanged for particular fire-fighting purposes. Included in such nozzles are a penetrating nozzle having a doubly bevelled front end for easier access through a roof, and various fluid ejection and misting elements that can be configured in terms of fluid aperture angles to produce a mist directed somewhat back towards the user, transverse to the nozzle, or forward from the nozzle. A non-penetrating embodiment of the invention also uses an end ejecting misting region. The foregoing elements can be used in conjunction with various extention wands, which are removably connectable fluid channels bent to various angles, so as to provide easier access to fires that are located within recesses of buildings, motor vehicles, or boats and the like.

Abstract: A connector (1) for flexible fluid lines, such as garden water hoses, comprising a universal body member (3) which is common to all interconnecting components of the system, wherein there is a twist-together, twist-apart bayonet connection between component parts (1 and 7), wherein the locking lug (14) of the first component (1) engages a groove in the inner coupling member (8) of the second component (7), and the locking lug (14) of the second component (7) engages a groove in the inner coupling member (5) of the first component (1).

Abstract: A fluid fitting coupling system which retains two assemblies axially through the use of a flange and lip arrangement and simultaneously retains those assemblies rotationally through either a radial detent or a snap spring are shown in variations. The designs are especially configured for molding so that each might utilize the material properties available and yet be economically manufactured. Further, user features including both visual and potentially audible indications of full assembly are incorporated into the designs and automatically achieved. Shut-off valve designs are shown which are automatically delayed in opening until some axial retention occurs to minimize any blow-off or other undesirable operational events. Swivel features may be incorporated when the application requires.

Abstract: A servicing device for compressed air handling is proposed, which possesses a principal body (2) and a receiving shell (4) releaseably attached thereto by means of a bayonet connecting device (12). The rotary movement necessary for producing the bayonet connection of the receiving shell (4) is produced using a rotary drive means (33), which is arranged on a holding body (34), on which the receiving shell (4) is mounted in a rotary fashion. It is in this manner that simple mounting and removal of the receiving shell is rendered possible even when there is little space.

Abstract: A water pistol nozzle including a handle and one or more nozzles detachably fastened to the handle. The handle is provided at one end with a first engagement portion which is provided with a retaining slot, a guide opening, and a washer. The nozzles are provided at one end with a second engagement portion which is provided with a retaining protrusion and a washer. The nozzles are detachably fastened to the handle such that the retaining protrusion of the nozzles is removably received in the retaining slot of the handle.

Abstract: The present invention relates to a quick release mount for a suction cup and a locking member for releasably locking the suction cup within a housing. The suction cup mount includes a bayonet coupling which is attached to the suction cup. The bayonet coupling is received within a space located within the housing. The housing further includes a pair of semi-circular flanges for securing the bayonet coupling within the space. The locking member selectively engages the bayonet coupling when the bayonet coupling is moved from an unlocked position to a locked position. The housing also includes a button coupled to the locking member that can release the locking member from engagement with the bayonet coupling and permit unlocking of the bayonet coupling from the housing.

Abstract: A coupling device can connect two cryogenic fluid conduits in fluid communication without creating a temperature change. The coupling device includes a fluid flow path extending therethrough having a substantially constant cross-sectional area. The coupling device is designed to be easy to connect and disconnect and to provide a secure connection, in particular at low temperature.

Abstract: A hydraulic coupling for use in undersea drilling and production operations is disclosed, having a male member with radially extending projections or fins configured to be received in a female member having corresponding grooves in its receiving chamber. Relative rotation of the members urges the male member inwardly and preferably compresses axially a metal seal between the leading face of the male member and an internal shoulder. This preloads the seal before the coupling is pressured up with hydraulic fluid. The rotation of the male member may be done manually or by remote actuation.

Abstract: A coupling interconnects either of two conventional types of waste water outlets used to discharge waste water from a waste water holding tank of a recreational vehicle with a discharge hose to convey the waste water to a remote location. A sleeve of the coupling penetrably engages an internal cylindrical surface in either outlet and is of a common diameter to concentrically locate the coupling irrespective of differences in the external size of the outlets. A pair of hooks extend from the coupling to engage dogs extending radially from either engaged outlet to retain the coupling in place. A seal seals the junction between the coupling and the outlet to prevent leakage of waste water therebetween. The discharge hose is connectable in fluid communication with the sleeve to convey the waste water from the coupling.

Abstract: A quarter turn quick connect fitting assembly (10) for connecting miniature fluid conduits, such as tubing, includes a first fitting (12) having radially projecting pins (28) and a second fitting (14) located within a rotatable quarter turn nut (16) having spiral grooves (48) which receive the pins. The first fitting defines a central passage (26) and the second fitting defines a central passage (42) which may each be configured to slidably receive a hollow tube set (104), or to threadably receive an externally threaded mating fitting. The quarter turn quick connect fitting can be configured to attach to the end of a column, and can include an adapter (158), which houses a guard column (160), or a frit (188) for filtering the fluid passing through the quarter turn quick connect fitting assembly. The quarter turn quick connect fitting is assembled by sliding the pins of the first fitting into the grooves of the quarter turn nut and rotating the quarter turn nut through approximately 90.degree.

Abstract: A vent valve for a gasoline tank has a multi-piece valve housing that is inserted into the tank through a tank wall opening. The multi-piece housing includes a valve member of acetal resin and a cap member of high density polyethylene (HDPE) that has a flange that is ultrasonically welded to the gasoline tank and a coupling skirt that has minimal protrusion into the gas tank. The coupling skirt fits into upper a portion of the valve member and has a plurality of key-ways that receive inwardly projecting lugs of the valve member to couple the valve and cap members to each other. The valve and cap members are retained in the coupled position by resilient lock fingers of the valve member that engage notches in the bottom of the coupling skirt. The resilient lock fingers are cantilever beams that extend radially outwardly from an anchor spaced radially inwardly of an outer cylindrical wall of the valve member.

Abstract: A paint cup mounting arrangement including a mounting cylinder fastened to a paint spray gun by a screw joint and having a coupling flange around the periphery, a socket sleeved onto the mounting cylinder and having an inward coupling flange forced into engagement with the coupling flange of the mounting cylinder, a paint cup fastened to the socket by a screw joint, a paint guide tube mounted within the mounting cylinder and the socket and sealed by rubber seal rings and adapted to guide paint from the paint cup to the paint spray gun, and a compression spring mounted within the mounting cylinder around the paint guide tube to impart a backward pressure to the socket and to force, the paint cup being adjusted to a vertical position by forcing the socket inwards to compress the compression spring and to disengage the coupling flange of the socket from the coupling flange of the mounting cylinder and then turning the socket about the mounting cylinder.

Abstract: An oil-tight coupling device includes a hose, an oil-tight gasket, a coupling sleeve, a coupling bushing and a nut. The coupling sleeve is provided with a plurality of equidistantly spaced apart resilient portions that bend inwardly. Each resilient portion has a protruding lip radially disposed at a lower end and a stop piece axially disposed at the lower end. The stop piece is provided with an inclined surface at either side. The coupling bushing is provided with a plurality of projections at an upper end for matching the resilient projections and a curved slot at a lower portion for receiving a stop post of said coupling sleeve to restrict the displacement of the coupling sleeve. By means of the stop post that displaces along the curved slot, the stop pieces may move along the inclined surfaces of the projections to cause the resilient portions to bend inwardly, allowing the lips to enter a neck portion of the hose to quickly secure the hose.

Abstract: A multi-component flow passage assembly is disclosed which incorporates an improved sealing adaptor structure. The adaptor includes a generally-cylindrical adaptor body with a rim for seating on the periphery of a first flow passage section, e.g. a vacuum cleaner horn. The adaptor body is made to include a bead which is received within a lip on the horn. The rim includes a sealing ring section in the shape of an O-ring for sealingly engaging the perimeter of a second flow passage section, which is connected to e.g. a vacuum cleaner attachment. The present assembly provides a better seal and simplified construction over previous devices.

Abstract: Locking arrangement of a fluid insertion connection between a fluid line and a connection member, in particular between a hydraulic line and a hydraulic cylinder, the fluid line having an insertion part at one end and the connection member being provided with an insertion opening which is open at the circumferential surface of the connection member and receives the insertion part of the line. Furthermore, locking means are provided, which engage on an abutment surface of the insertion part of the fluid line in order to prevent the insertion part of the line from being pulled out of the insertion opening.The locking means comprise a ring, which is positioned around the connection member at the position of the insertion opening and is movable with respect to the connection member.

Abstract: A surgical instrument has a motor housing with a cylindrical member extending therefrom and has a pin projecting radially from the cylindrical member. A nose piece removably attached to the housing has a circular aperture which receives the cylindrical member and which has a channel within which the pin slides during attachment and removal. The nose piece includes a cantilevered arcuate spring arm that urges the pin along the channel toward a position at which the pin is wedged against a wall of the channel to force the nose piece into an operating engagement with the motor housing and retains the pin in the channel resisting detachment.

Abstract: A quick disconnect nozzle comprising a nozzle body, a spray tip, and an annular sealing member interposed therebetween. The tip is adapted to be inserted axially into the body and then rotated. When the tip is rotated, camming lugs on the tip and body coact to draw the tip axially toward the body and compress the sealing member. Detents in the form of flexible curved ribs are carried by the tip and resiliently pop into curved pockets in the body to releasably hold the tip in its installed position. The sealing member is an O-ring which is carried by the tip and which is removable from the body as a unit with the tip. An inner seal is provided between mutually converging tapered walls of the nozzle tip and nozzle body adjacent the inner end portion of the nozzle tip.

Abstract: An apparatus for attaching and securing a cap to a hose adapter used in connection with an RV waste removal valve assembly to prevent inadvertent sewer or waste spillage in the event of a failure of the primary locking components. The apparatus comprises two principal components, including a Y-branch plumbing fitting with a hose adapter incorporated at one end. On the outside surface of the hose adapter are a coupling pin and an adjacently located coupling tongue. The other component is a closure cap, which includes one or more generally L-shaped coupling arms. The coupling arms form a U-shaped opening with the edge of the cap and include an opening at one end to slidably receive the coupling pin and a grooved or slotted portion along the base of the coupling arm near where the arm attaches to the edge of the cap to slidably receive the coupling tongue.

Abstract: A coupling having an extending repositionable discharge tube for engagement with a discharge hose is mechanically lockably attachable to either of two different conventional waste water discharge outlets mounted on a recreational vehicle. Each of the waste water discharge outlets includes a set of four equiangularly spaced dogs and the set of dogs on each discharge outlet is differently configured. The coupling includes a different set of locking slots disposed at each end for receiving and lockingly engaging a corresponding one of the two sets of dogs. The discharge tube is relocatable to extend from one end of the coupling to permit engagement of the set of slots in the other end of the coupling with the set of dogs corresponding with the discharge outlet.

Abstract: Flue sections and an airtight venting system being made therefrom by connecting in line the flue sections. The flue section has a pair of opposite ends of circular cross-section one of which called "male end" is shaped and sized to fit into the other end, called "female end" of a similar flue section. The male end comprises at least two outwardly-projecting L-shaped grooves, a peripheral outwardly-opening recess and an O-ring mounted therein and protruding outwardly. The L-shaped grooves are positioned in such a manner to have an opening at the male end of the flue section. The recess is positioned at a distance "H" from the L-shaped groove.

Abstract: A quick release and connect nozzle assembly for use with a material dispensing head including a nozzle engagement member on a portion of the dispensing head, a nozzle member having an aperture therethrough for operable communication with the dispensing head to provide dispensing of the material in a predetermined pattern, and a connecting member integral with the nozzle member for engagement with the engagement member of the dispensing head, wherein the connecting member is operable by hand and provides quick release and connection of the nozzle member from the dispensing head so as to enable cleaning or replacement of the nozzle member as desired.

Abstract: A connection of first and second members wherein each has a body and a connecting end with an inner surface so the second connecting end has an outer surface shaped for telescoping into the inner surface of the first connecting end. A shoulder is located on the second member and a groove is in the outer surface of the second connecting end. A raised nub on the inner surface of the first connecting end is radially inward to engage the groove. An elastomeric gasket is positioned to bear against the shoulder and be compressed between the first and second bodies. An engaging trough in the groove holds the first connecting end against the shoulder with the nub against the groove by the compression force of the gasket. An indexing trough in the groove positioned along the groove beyond the engaging trough allows the nub to follow therethrough and slightly compress the gasket thus giving the user a tactile indication that it has been rotated beyond the engaging trough.

Abstract: A connector system comprises a socket having at least one locking pin and a plug comprising a plug body and a locking ring having at least one slot along which the pin can move and an elastic member disposed at one end of the slot defining a first area in which the slot tapers and a second area in which the pin is selectively lodged. The aforementioned one end of the slot terminates at an abutment. The second area is wider than the pin and the first area so that the elastic member is retracted elastically when the pin enters the first area and returns to its initial position without being compressed by the pin when the pin is in the second area near the abutment. The elastic member of the connector system is a cantilever beam having a notch at its free end.