Abstract: A combined dirt collector and cutout cock (CDC & COC) device for a rail car control to prevent unintentional re-pressurization of the control valve and rail car braking system. The device has an inlet configured for interconnection to an air supply, an outlet configured for interconnection to a control valve of a rail car, a valve moveable between a first position where an inlet is connected to an outlet and a second position where the inlet is isolated from the outlet, and a control valve vent positioned downstream of the valve and configured to open in response to the valve being moved into the second position. The valve may include a ball having a first passageway for selectively connecting and disconnecting the inlet from the outlet and a second passageway formed therethrough that is positioned to interconnect the outlet with the vent when the valve is in the second position.

Abstract: A fluid valve structure capable of outputting constant flow and constant pressure is provided. A control handle is adapted to control turning of a ball valve. The ball valve is formed with first, second and third openings. The openings are arranged at 90 degrees each other. The diameters of the first, second and third openings can be set according to the required flow and pressure. The fluid passes the first, second and third openings through an annular guide groove and guide holes of a water inflow connector, enabling the fluid gathered to the small diameter pipe portion to output constant flow and constant pressure. The user can observe the state of the fluid through glass windows provided on the small diameter pipe portion. The control handle controls the turning of the ball valve for the openings to be located in TEST, OFF, and DRAIN state, respectively.

Abstract: A damper system may include a handle mechanism for use with a damper actuator system. Illustratively, the handle mechanism may include a drive gear mechanism, a handle, a housing, and a spring, and may be actuated to set a crack pressure for the damper system. The handle may connect to the drive gear mechanism at a drive gear arm of the drive gear mechanism and may flip over or about the drive gear arm to move from a first position to a second position. In some instances, once the handle is in the second position, a force may be applied thereto to disengage the drive gear from a stop member and thereafter, the handle may be rotated to change the crack pressure of the damper system.

Abstract: Various “no filter, no run” fuel filtration designs are described that include a variable restriction orifice (VRO) designed to vary the amount of fluid, for example fuel, that reaches a fluid outlet. The VRO has a fully open position at which a maximum non-zero fluid flow is permitted, and a fully closed position at which a limited amount of fluid can flow to the outlet. In the case of diesel fuel, the amount of fuel flow permitted at the fully closed position provides lubrication of downstream fuel system components, for example the fuel pump, but is insufficient to permit engine operation.

Abstract: A locking Y-valve has branches that can be independently locked open or locked closed. Each branch has a ball valve connected to a rotating valve column. The valve column extends through a lock plate and attaches to a housing that contains a locking mechanism. The locking mechanism has a retractable lock pin that cooperates with two recesses in the lock plate to keep the housing, valve column, and ball valve locked in place. The locking mechanism is attached to a rotatable handle outside the housing. Rotating the handle retracts the lock pin from a recess so that the handle can be moved. Releasing the handle extends the lock pin into a recess, securing the handle in place. One or more of the lock plate and housing may be integral with the Y-valve. In the preferred embodiment, the lock plate is configured to be retrofit onto existing Y-valves, so that a non-lockable Y-valve may be converted into a lockable Y-valve.

Abstract: A faucet for controlling the dispensing of liquids including a valve element movable from a first position for blocking flow between an inlet and outlet to a second position for permitting flow between the inlet and the outlet. An insert member is rotatably connected to a bonnet and defines an opening through which a stem extends. The insert member is located with no portion being clamped between the bonnet and a valve body. An actuator handle assembly includes a lever pivotally connected to an end of the stem and a cam actuator connected to the lever. The cam actuator moves between an engaged position in which movement of the lever is effective to move the valve element from its first position to its second position and a disengaged position in which movement of the lever is ineffective to move the valve element from its first position to its second position.

Abstract: A single lever control for manually manipulating a hydraulic valve spool of a directional control valve, which comprises an elongate shaft encased within an outer casing and having first and second ends each being fixedly attached to an end cap and a pivot block, respectively. The outer casing comprising a cylindrical cup for housing a biasing element whereupon an applied upward force on the cylindrical cup causes the outer casing to move upwardly to the extent of lifting a latching member pivotally connected to the pivot block and releasing a locking mechanism. The mounting assembly comprising an adapter plate integrally connected to a vertical support member and having a large aperture for receiving a moveable stem associated with the hydraulic valve spool, an arrangement of which allows a valve-actuating stem associated with the pivot block to movably interact with the moveable stem as the single lever control is selectively manipulated.

Abstract: A flow control device in which a flapper is continuously biased to the closed position by a leaf spring that may have a plurality of fingers. The same valve includes a shutoff mechanism allowing the user to adjust forward flow through the valve or shut it off entirely. The leaf spring is made to include polyoxymethylene.

Abstract: A leak-proof structure of an oil pipe connector includes: a connector cylinder, being a hollow housing, and having an oil inlet at a front end, and an oil outlet at a rear end, and a switch base interconnected to a shaft hole in the connector cylinder; a control device, installed in the connector cylinder; a switch device, having a transmission shaft, inserted into the shaft hole and linked with the control device, and a switch handle coupled to the top of the transmission shaft; a leak-proof device, having a bearing slot below the shaft hole, and a first leak-proof slot, a circular latch slot and a second leak-proof slot above the leak-proof device, and a bearing being disposed below the bearing slot, and a first O-ring, and a latch ring, a second O-ring for achieving a leak-proof effect.

Abstract: A hydraulic valve assembly for an excavator including a hydraulic valve movable along a longitudinal axis to control a flow of fluid, a flange coupled to the hydraulic valve, the flange including a receptor, and a locking mechanism movable between a locked orientation and an unlocked orientation. In the locked orientation, the locking mechanism cooperates with the receptor to inhibit movement of the hydraulic valve along the longitudinal axis and in the unlocked orientation the hydraulic valve is free to move along the longitudinal axis.

Abstract: A handle (1) for valves (4) comprising a connecting region (2) for connecting the handle (1) to a spindle (5) of the valve (4), an actuating arm (3) for actuating the valve (4), a locking lever (8) arranged resiliently in the actuating arm (3) for engaging the actuating arm (3) and a locking and guide disc (16) for locking and guiding the handle (1), the locking and guide disc (16) having a greater external diameter than the connecting region (2) and being arranged to be able to be connected to a flange region (12) of the valve (4).

Abstract: A mechanism used for locking a valve that provides positive control of the valve lock to prevent the valve from changing position unintentionally is disclosed. The positive locking valve control device preferably includes a housing with a handle and a linkage extending therefrom. A main gear inside the housing is disposed about a shaft which is positionally fixed outside of the housing. The main gear is releasably intermeshed with a locking gear controlled by the handle. Squeezing the handle separates the gear and allows angular movement of the handle which corresponds to movement of the linkage. The linkage is connected to a valve actuator or valve stem and the position of the valve may be adjusted in this manner. Springs in the handle cause the main gear and locking gear return to a locked position when the handle is released. Accordingly, the valve cannot drift or be bumped out of position when the handle is released.

Abstract: A foot-actuated condensate drain for an air compressor tank. The foot-actuated condensate drain includes a lever that is connected to a valve on the bottom of the air compressor tank. Movement of the lever, for example by a user's foot, causes the drain valve to open. The lever may be moved to a locked position where the drain valve is held in an open position, even if the user releases his or her foot. The valve stem of the valve is hollow and includes a seal for closing off the opening, and radial holes below the seal and in fluid communication with a hollow interior portion of the stem. When moved away from the closed position, fluid in the compressor tank flows out of the opening, around the seal, into the radial holes, through the stem, and out of the valve.

Abstract: Safety device for taps provided with a disk shutter sliding in a tubular sector shaped like the arc of a circle, constituting the product outlet duct of a pasteurizing machines used in the production of creams, soups or the like. The shutter disk is connected with an operating lever endowed with a spring pin fitting into suitable hollows obtained on an element with circular sector which is concentric with respect to the rotation axis of said operating lever. Both on the operating lever and in the element with circular sector showing the hollows defining the basic positions of the operating operating lever of the shutter, reciprocal abutment means have been provided, whose purpose is to interrupt the movement of the operating lever on reaching said intermediate position in which a radial opening for product discharge is opened, thus preventing the unintentional overcoming of said position.

Abstract: A method and apparatus for locking a hose onto a hose coupling for a valve. A rigid linkage is pivotally mounted adjacent to the valve with a hose engaging member at a first end and an actuator engaging member at a second end. The linkage is pivoted to position the hose engaging member in the engaged position overlying and maintaining in engagement a hose with the hose coupling. A manual valve actuator of the valve is moved to a first position with the valve open. The actuator engaging member engages the manual valve actuator to prevent pivoting of the linkage and maintain the hose engaging member in the engaged position until the manual valve actuator has been returned to a second position with the valve closed.

Abstract: Safety device for taps provided with a disk shutter sliding in a tubular sector shaped like the arc of a circle, constituting the product outlet duct of a pasteurizing machines used in the production of creams, soups or the like. The shutter disk is connected with an operating lever endowed with a spring pin fitting into suitable hollows obtained on an element with circular sector which is concentric with respect to the rotation axis of said operating lever. Both on the operating lever and in the element with circular sector showing the hollows defining the basic positions of the operating operating lever of the shutter, reciprocal abutment means have been provided, whose purpose is to interrupt the movement of the operating lever on reaching said intermediate position in which a radial opening for product discharge is opened, thus preventing the unintentional overcoming of said position.

Abstract: A folding handle for attachment to a rotatable shaft element. The handle includes a handle body 10 having a cavity 17 within which a mounting block 20 is engaged. The mounting block 20 has oppositely projecting pivot members 21 slidingly engaged in recesses 19 in the walls 18 of the cavity 17. The pivot members 21 therefore engage with bearing surfaces 19a to facilitate pivotal movement of the handle body 10 relative to the mounting block 20. A clip 24 retains the mounting block 20 in cavity 17. No pivot pin is therefore visible.

Abstract: A valve having a housing from which projects a stem rotatable about an axis has an actuating assembly with an abutment ring fixed on the housing, formed with an annular slot, and having an abutment projecting radially into the slot. A knob mounted on and rotatable with the stem adjacent the ring carries a single-arm abutment lever pivoted on the knob and having an end engaged in the slot and displaceable radially between a radial outer position angularly engageable with the abutment and a radial inner position so that when the end is in the outer position rotation of the knob is blocked by engagement of the lever end and the abutment. A spring braced between the knob and lever urges the end into the outer position. A radially displaceable button on the knob engageable with the lever is radially inwardly displaceable to move the lever into its inner position.

Abstract: A handle mechanism to be mounted to a stem of a valve element. The mechanism includes a socket to be fixed to the stem of the valve element, a handle portion including a clevis having a pair of legs and a base joining the legs and pivotally connected to the socket at a lug of the socket and a generally C-shaped spring. The spring has a first end and a second end. The spring engages the lug surface and the top surface of the base over a substantial portion of the spring. A method of installing the spring, including hooking a lip at a first end of the spring over a back surface of the base of the clevis, pivoting a second end of the spring down onto the lug surface and snapping the second end of the spring on a bottom portion of the lug surface.

Abstract: Improvements in service valve heads which may be connected to soft drink bottles or the like, wherein a valve body is obtained, a liquid circulation channel being provided between the spout and the fishing tube, said channel having a check valve. The rod of said valve is actuated by a command means whose the articulated arm is foldable over the valve body, having folding stops and having a strap provided with a retainer. Folding stops of the valve body and corresponding recesses of the articulated arm prevent that the latter being lowered by any accidental pressure, in which case the valve rod would be displaced and an unwanted release of liquid would be produced. For delivering the carbonated liquid it is first necessary to release the folding strap. In this way the articulated arm may be unfolded until it displaces through the command channel existing on the head walls.

Abstract: A fluid flow control valve is provided comprising a valve seat inside a housing for defining a passage opening in the housing and a valve seal positioned against the valve seat for closing off fluid flow. A push rod extends from the valve seal and through the passage opening. The push rod is moveable for moving the valve seal off the seat to open the valve. The valve seal is restricted to substantially axial movement, preferably by a spring biasing the valve seal against the valve seat which spring is sized so as to engage the walls of the passage. A cam shaft rotatably mounted in the housing is provided for moving the push rod upon rotation of the cam shaft. A handle is non-rotatably connected to the shaft for rotating the cam shaft. A latch may be provided for releasably locking the handle in a position where the valve is open. A safety may also be provided on the latch arm so as to prevent the handle from being moved accidentally.

Abstract: A much safer, and more convenient to use, flammable-liquid storage-container of the hand-portable 1-5 gallon blow-molded/polyethylene-plastic type; featuring a special direct thumb-actuated ballvalve, with geneeric-variations, configured to enable single-handed holding and dispensing without hazardous spillage. Designed to be safely carried within a car's trunk, the removable fill-cap is equipped with a child-resistant/tipover-safe safety-lockout device disengaging the thumb-control from positive engagement with the ball-valve in the closed position. The user must first grasp and uphold the "SafeTflow".TM. container in hand via the upper longitudinal handle-grip, while positioning their thumb forward upon a leverarm actuator arranged upon a pivot-shaft extending up and aftward from the ballvalve rotary-axis.

Abstract: A valve has a valve housing and a stem projecting from the housing and rotatable relative thereto about an axis. A handle assembly for the valve has an abutment directed angularly in one direction of the axis and fixed relative to the housing, a knob, and formations on the knob and stem for rotationally fixing the knob on the stem and for axial displacement of the knob on the stem between a normal use position and an override position. A knob abutment projecting axially from the knob is directed angularly opposite the housing abutment. The knob abutment is angularly engageable with the housing abutment in the normal use position but is able to pass angularly past the housing abutment in the override position. Thus the knob is in the normal use position most of the time. In order, however, to gain increased flow, a higher temperature, or divert water from the tub to the shower, it is displaced into the override position.

Abstract: A unitary handle structure to be secured to the shaft of the valve and cooperate with the stops on the body to delimit and lock the valve element in its open and closed positions. The handle structure includes a socket portion fixed to the stem of the valve element and a handle portion extending from the socket portion and doubling back towards the socket portion and terminating at an end adjacent the socket portion. A detent portion on the end includes a pair of walls sufficiently spaced to receive the stops to lock the valve element in the open and closed positions. The handle portion is flexibly resilient to allow the detent portion to raise and lower with respect to the stops. One of the walls of the detent has a height high enough and the end of the handle portion is separated from the adjacent portion of the handle by a sufficiently short distance to prevent the one wall of the detent portion from raising above the stops.

Abstract: A bucket valve with a removable handle includes a tubular valve body, a piston disposed with the valve body and a crank arm integrally formed of a central sleeve and two spaced fingers. The fingers are pivotally retained to the piston. A drive shaft is drivingly disposed in and extends from the central sleeve of the crank arm to project through and beyond the valve body to connect by a distal tip thereof to a handle via an axle sleeve. An `L`-shaped latch is resiliently retained in the axle sleeve whereby the combined axle sleeve and handle are removably retained to the drive shaft. The handle has a forked tip forming an outer upper face, a central fork and an outer lower face against each of which a knob can abut in a first, second and third position respectively.

Abstract: A remote handle operating mechanism for a cut-out cock located on the back side of a pipe bracket on which the service and emergency portions of a railroad brake control valve device are mounted at the front side thereof. A push-pull rod extends from the cut-out cock actuating lever via an opening in a detent bracket to the front of the pipe bracket to facilitate operation of the cut-out cock. A locking rod affixed to the push-pull rod co-acts with the detent bracket to latch the push-pull rod in either one of two positions corresponding to the open and closed positions of the cut-out cock to prevent inadvertent operation of the cut-out cock.

Abstract: A faucet for controlling the dispensing of liquids includes a valve body having a valve chamber with a valve element movable between first and second positions for controlling flow between an inlet and the outlet. An operating stem extends from the valve element to a position exteriorly of the body through a bonnet connected to the body. A safety-type cam actuator is joined to the stem and is pivotally movable to selectively move the valve element between the first and second positions if it is first moved inward radially of the stem. Wall forming portions extending outwardly from an insert located between the bonnet and the body to define guide surfaces closely adjacent the stem and the cam actuator to prevent undesired tilting of the stem and the cam actuator.

Abstract: This invention is directed to a discharge controlling device for faucet, characterized in that a control lever is used to push a throttle pin axially positioned within the center of the housing, such that the pin is slidably moved up and down and engages a steel ball which is designed to control the opening and closing of a water discharge aperture. As the control lever is pushed by hand and moved from its lowest closed position to the intermediate, open position where the water can be admitted, the steel ball is pushed away from the aperture by the rod tip of the throttle pin which rises axially. At this instant, water enters through the aperture and flows out of the housing. When the hand is released from the control lever, the throttle pin will fall, and the steel ball, which is subject to water pressure, will immediately return to the position where it closes the aperture.

Abstract: This invention is directed to a discharge controlling device for faucet, characterized in that a control lever is used to push a throttle pin axially positioned within the center of the inner sleeve, such that the pin is slidably moved up and down and engages a steel ball which is designed to control the opening and closing of a water discharge aperture. As the control lever is pushed by hand and moved from its lowest closed position to the intermediate, open position where the water can be admitted, the steel ball is pushed away from the aperture by the rod tip of the throttle pin which rises axially. At this instant, water enters the inner sleeve through the aperture and flows out of the housing. When the hand is released from the control lever, the throttle pin will fall, and the steel ball, which is subject to water pressure, will immediately return to the position where it closes the aperture.

Abstract: The oil draining control valve comprises a valve housing having a fluid passage and a shaft housing; a valve body pivotally housed in the fluid passage of the valve housing; a rotary shaft also rotatably housed in the shaft housing and engaged with the valve body to pivot the valve body from a closed position to an open position or vice versa; a control lever extending outside through a lever guide slot formed in the valve housing and engaged with the rotary shaft to pivot the valve body; and an elastic member for covering the lever guide slot formed in the valve housing at least when the control lever is pivoted at the closed position. The lever guide slot covering member is a C-shape cross-sectional annular ring, a bellow member, or a blade member, which can prevent the lever guide slot from being clogged with muddy water or grass for providing a smooth valve control operation.

Abstract: A poppet valve assembly and method of making same are provided and such assembly comprises a housing; a flow passage in the housing with the passage having a central axis and being adapted to flow a fluid in either direction therethrough; a poppet structure for controlling flow through the passage; a support structure for supporting the poppet structure during movement thereof along the axes; an actuator contact on the poppet structure between its head and stem to enable movement of the poppet structure along the axes; and apparatus for engaging the contact to provide the movement wherein the support structure comprises a cylindrical inside surface provided on the housing and having an axial length generally of the order of several times the particular diameter, and the support structure also comprises a cylindrical outside surface on the stem which slideably engages the inside surface, with the inside and outside surface cooperating and defining sole means confining the poppet structure against movements tra

Abstract: A spring loaded locking handle assembly for an angle cock or the like wherein the helical windings of a torsion type spring are mounted on a fulcrum pin about which the handle proper of a two-piece, locking style handle assembly is pivotally connected to the handle socket. One leg of the torsion spring is fixed to the socket via a pilot hole therein and an aligned index hole in the fulcrum pin to properly locate and secure the fulcrum pin in place. The other leg of the torsion spring bears against the handle proper under tension to positively maintain the handle member in its locked position and to prevent accidental operation of the angle cock.

Abstract: A safety device for a pneumatic tool having a body and an operation lever and a valve stem lowered by the operation lever has an axially movable pivot shaft by which the operation lever is pivoted to one end of the main body of the pneumatic tool. A stop is formed on the pivot shaft so as to move between a resting position and an operating position together with the pivot shaft. A conical coil spring is provided to urge the operation lever upward by its torsional action and the stop as well as the pivot shaft toward the resting position of the stop by its compressive action. A receiving chamber is formed in the operation lever at a position where it coincides with the stop when the stop is moved to the operating position by the depressing of the pivot shaft. When, in this state, the operation lever is pushed downward to cause the stop to enter the receiving chamber, the valve stem is lowered and the operation of the pneumatic tool starts.

Abstract: An access port cover is fitted with a sealing plug that is adapted to fit inside a conduit to provide an occluding seal. The conduit is also fitted with an inner flap that is automatically closed and latched when the cover is closed and latched. In a preferred embodiment, a ridge in the inner wall of the conduit cooperates with a support plate to compress the plug between the cover and the plate, extruding the plug radially into sealing engagement with the inner wall of the conduit.

Abstract: An abrasive blasting system which includes an improved mixing and control valve assembly together with an improved manually operable discharge nozzle assembly. The mixing and control valve assembly comprises a housing defining first and second chambers connected by a generally circular opening. An abrasive particle inlet and an outlet are formed in the second chamber. A stem extends axially through the opening between the first and second chambers to define an open annular passageway through which pressure fluid supplied to the first chamber passes in a swirling motion to mix with the abrasive particles in the second chamber and impel them out the outlet. A valve member carried by the stem is arranged for selective engagement with the outlet to stop flow through the assembly.

Abstract: A high pressure spraying gun has a jet pipe, a pressure water supply element, two trigger levers for right-handed and left-handed actuation, and only one blocking valve arranged to selectively block and to release pressure water through flow through the jet pipe or through the pressure water supply element and including a valve body, a spring which biases the valve body in a first direction, and a rocking member having two ends spaced from one another in a second transverse direction, so that the blocking valve can be opened only under the simultaneous action of two trigger levers on both ends of the rocking member.

Abstract: A safety pin for fire extinguishers. The pin has a prong interfitted in registering holes of the extinguisher to prevent operation until removed by grasping a finger loop and extracting the pin. The finger loop is connected to a stabilizer extension of the pin fitting over the top of the trigger and biased against it to present the loop in a preselected upright position for ready access by the user. The stabilizer extension may be formed as a stabilizer loop bearing against the top of the trigger to prevent the rotation of the pin. The pin may be further provided with an upright standard extending above the trigger to receive an inspection tag or the like.

Abstract: A portable machine for carbonating liquid contained in a bottle is adapted to support the bottle (5) by the neck (81) through a bayonet connection and for a seal (64) which closes the bottle neck to be driven into engagement with the bottle neck by a piston (60) actuated by the first burst of gas supplied to the injection nozzle (66). The bottle is loaded into the machine through a front opening (6) and a cover (7) for closing the opening is interlocked with a gas supply valve (12) so that gas can only be delivered to the nozzle (66) when the cover is closed. The cover is opened and closed by rotating a knob (23) which is depressed to open the gas valve. The knob (23) is coupled to the gas valve (12) through a device (27) which prevents the valve being opened if the machine is tilted at more than a given angle to the upright position.

Abstract: A ball valve for medium and low pressure service includes a valve body, a valve member positioned in the valve body, circlips attached to the valve body, and provided at the upstream side and downstream side of the valve member, and sealing members provided between respective of the circlips and the valve member. The circlips are urged toward the valve member via the sealing members and are kept in a floating state. The valve member is of spherical shape, having a first and a second fluid passage holes and a valve stem groove and does not include a seam.

Abstract: A lever operator for use primarily with valves of the plug type in which a tapered plug is raised to unseat associated slips and then rotated to a valve open position during opening of the valve and is rotated to a valve close position and lowered to seat the associated slips for closing the valve. The lever operator comprises an elongated lever arm having an eccentric cam at one end thereof connected to the trunnion of the valve to which the invention is assembled and also comprises a unique dual slot gate mechanism which houses the lever arm and restricts the motion of the arm to the requisite vertical and rotational movement which must be carried out in the appropriate sequence to properly operate the tapered plug mechanism of the valve.

Abstract: A spring-locking handle mechanism in which a flat piece of spring stock is formed in a generally U-shaped configuration to provide a locking spring, one leg of which bears against the underside of the socket portion of a conventional two-piece locking handle, and the other leg of which bears downwardly on the upper surface of the handle portion. The spring legs must be spread apart in order to assemble the spring with the handle mechanism and are thus normally under tension, so that the handle portion is biased in its downward or locking position relative to the socket portion to discourage unintentional lifting. The width of the one leg corresponds to the distance between the depending locking lugs on the handle portion so as to fit snugly therebetween in both the locked and unlocked position of the handle.

Abstract: The present invention relates to safety valve unions wherein the rotating plug is shaped so as to retain when it is in open position the terminal end of the male element which is released when said plug has been brought into closed position. The opposite faces of the boss and of the pivoting lever are shaped to provide an intermediate position in which the plug is closed, the downstream pipe of the male element is decompressed through a channel and a vent in register, and the terminal is still locked in the bore. The invention is more particularly applicable to the hydraulic or pneumatic accessory industry.

Abstract: A system for dispensing fluid from a container. The container is pressurized by supplying gas into the container thereby forcing the fluid out of the container through a siphon tube and an outlet valve in the container. The system utilizes a valve assembly having two valves, one for enabling the flow of the gas into the container and the second for allowing the flow of the fluid out of the container. The valve assembly is mounted in a neck member that is secured to an opening in one of the walls of the container. Arranged within the neck is a deformable seal that is compressed between a body portion of the valve assembly and an inner surface of the neck member. A non-threaded retaining ring holds the valve body portion of the valve assembly within the neck member and serves to apply the force to the valve body portion for compressing the seal.

Abstract: An automatic safety mechanism for airless spray equipment such as airless spray guns of the type having a trigger mechanism for actuating a gun spraying mechanism is provided. The safety mechanism comprises a lock mechanism for automatically locking the trigger mechanism in an "off" or non-spraying position upon full release thereof, including a locking member spring biased and disposed so that upon full release of the trigger mechanism the locking member is automatically operatively interposed between the trigger mechanism and hand-grip element of the spray gun to obstruct actuating movement of the trigger mechanism. The locking member is adapted for simple manipulation by the spray gun operator to disengage the lock mechanism and permit actuating movement of the trigger mechanism.

Abstract: A high-pressure liquid-jet gun has a pistol-type housing provided with a valve having an actuation member displaceable between a closed position and an open position to release liquid from an end of the housing. A safety lever is displaceable on the housing between a safety position relatively far from the barrel of the housing and a use position lying against this barrel. A spring urges this safety lever into the safety position. A trigger is pivoted on the safety lever and has a formation which is engageable only in the use position of the safety lever with the actuation member. This trigger can be displaced in the use position of the safety lever between an advanced position with the formation engageable with the actuation member but with this actuation member in the closed position, and a drawn-back position with the formation pressing the actuation member of the valve into the open position.

Abstract: A fabricated adapter valve for mounting on the exterior of a transportation tank for liquid, such as for instance gasoline or oil, providing for coupling with a compatible loading coupler of a loading island, for loading the liquid into the transportation tank. The valve arrangement provides an adapter coupler section having an exterior coupling configuration as defined by the American Petroleum Institute, for universal coupling with loading couplers of a loading station, and a valve which is of smaller size and less weight, having fewer places to leak and possessing fewer parts, and therefore more economical to manufacture, as compared to prior art valve arrangements.

Abstract: A combination gladhand and shutoff cock includes a dust cover attached to the shutoff cock operating handle and closing the gladhand body air outlet when the shutoff cock is in a closed position. There is a latch effective between the shutoff cock handle and the gladhand body holding the shutoff cock in a closed position and a further latch between the shutoff cock handle and the gladhand holding the handle in an open position.

Abstract: A brake pipe end cock provided with a pair of operating handles disposed respectively on opposite sides of the end cock, whereby the end cock may be operated from either side of the car, because one handle, which is self-locking on one side, is connected by a crossover bar to the other handle on the opposite side, which may or may not be self-locking, as desired, to provide concurrent movement of the two handles as a unit, said crossover bar being necessary to unlock the self-locking handle in order to effect operation of the valve device if the non-locking handle is the one manipulated.