Abstract: The disclosure is of a control mechanism including a rockshaft carried by a support and itself having fixed thereto an upstanding rocker element. A cam is disposed alongside the rocker element, having a lower end formed with an opening that loosely embraces the rockshaft so as to enable relative movement of the cam within at least the limits of the opening. Lost-motion means interconnects the rocker element and cam for rocking of the two in unison about the rockshaft axis while permitting the aforesaid limited movement. Adjusting means is provided between the cam and rocker element for achieving adjustment of the cam relative to the rocker element while retaining the floatability or relative movement of the cam.

Abstract: A power steering device comprising: an input and an output shafts connected to each other by a torsion bar in a manner to be relatively rotatable in the same direction; a valve spool concentrically disposed around said input shaft and axially movably provided; balls provided in first moving paths and engaged with said valve spool; and pins formed on said valve spool and engaged with second moving paths. Said first moving paths are given torsions at a certain angle with respect to said second moving paths. Said valve spool is axially moved in accordance with a relative rotation between said input and output shafts to change one oil channel over to the other.

Abstract: A semi-automatic boiler plug assembly having a mounting plate with a central hole aligned with a bailer hole on a boat transom is described. Attached to the mounting plate is a cylinder and piston therein made of a resilient material which seats in the central hole of the mounting plate in a closed position. Two arms extending to either side of the piston, and through slots on opposite sides of the cylinder, guide the piston in its travel back and forward in the cylinder. Immediately behind the piston is a spring to bias the piston forward in the cylinder toward the closed position. On the outside of the cylinder are two hinge plates attached to the piston by guide arms and by hinge pins that pass through a hole in the hinge plates and into the piston guide arms. Formed onto the outboard side of the hinge plates are hollow chambers which form floats.

Abstract: This valve actuator is primarily intended for use with rotary cut-off valves. It includes a housing which is attached to the valve body for receiving the valve stem and a longitudinal passage slidably mounting opposed piston elements. The piston elements include spaced shoulders which engage the remote end of a radial arm mounted within the housing and attached to the stem for rotating said stem. The radial arm includes a cam at the remote end having opposed cam faces alternately engaged by the piston elements and configurated to provide a minimum gap between the cam and the piston shoulders during the rotation of the valve between open and closed positions.

Abstract: A valve for use with a liquid comprising: a valve casing having an inlet and outlet; a valve seat arranged between the inlet and outlet; a plug adapted to be received on the valve seat; sensor means adapted to sense the level of the liquid, the sensor means being operatively associated with the plug so as to vary the position of the plug relative to the valve seat as a function of the level of the liquid; and a lever adapted to vary the position of the plug relative to the valve seat independently of the sensor means.A valve, for use with a liquid, comprising: a valve casing having an inlet and outlet; a valve seat arranged between the inlet and outlet; a plug adapted to be received on the valve seat; and a lever adapted to vary the position of the plug relative to the valve seat by means of a stem attached to the lever. The lever is attached to the stem by means of a pin attached to the lever, the pin being fitted within a fusible bushing fitted within a hold in the stem.

Abstract: A low-slung carriage-mounted lifting jack has a long tubular handle for projecting the jack beneath a conventional automotive vehicle. The handle is tiltably mounted on the carriage and simultaneously serves as a pump handle for pumping hydraulic fluid from a reservoir to a ram which in turn is operatively attached to an elevating linkage for lifting the vehicle. A pump, for operation of which the handle is tiltably mounted on the carriage, delivers hydraulic fluid under pressure from the reservoir to the ram. To release hydraulic pressure in the ram, for lowering the linkage and returning the fluid to the reservoir, there is a release valve with a release pin projecting adjacent the end of the handle which is tiltably mounted on the carriage. Within the handle is a rotatably mounted rod extending throughout the length of the handle, and on the end of the rod is a cam in operating engagement with the release pin.

Abstract: A pinch valve for selectably controlling flow of fluid through one of two resiliently deformable tubes used e.g., for transporting water in a steam iron. The valve comprises a body member defining a compression surface supporting each one of the tubes. A selector lever is pivotally mounted on the body for selectably moving an integral cam abutment between individual tube shut-off positions. A rocker element supported on the tubes is captively held in the body member intermediate the selector lever and the compression surface for rocking movement between tube pinching positions. The cam abutment continually presses on the rocker causing the rocker to bear upon each one of the tubes on the compression surface. As the selector lever is pivoted, the cam abutment engageably slides along the rocker to rock the rocker between its tube pinching positions. The tubes are thus isolated from sliding contact with the cam abutment by the interposed rocker thereby preventing frictional wear of the tubes.

Abstract: An actuator mechanism for lift-turn type valves such as tapered plug valves and cam energized plug and slip assemblies includes an actuator housing structure that is adapted to be connected to a valve body. An actuator element that is adapted for interconnection with the operating stem of a valve element includes a cam energized mechanism which is capable of imparting both linear and rotary movement to the valve stem for sequentially unseating the valve element, rotating it 90.degree. to a selected position and moving it linearly in the opposite direction for reseating. During unseating and reseating linear movement, interengaging guide structure prevents undesired rotation of the actuator element and valve stem. An adjustment mechanism is provided to ensure optimum positioning of the actuator element relative to the valve stem. Energy transfer means is provided to ensure adequate transmission of forces during seating and unseating movement.

Abstract: A device capable of controlling and maintaining the temperature of water discharged from a kitchen faucet or shower at a preselected temperature level. An air-filled enclosure disposed within a mixing chamber regulates the precise amount of hot and cold water entering the mixing chamber as a function of the rate of thermal expansion of the air. A selector control is provided to set the preselected temperature level.

Abstract: A locking fluid valve assembly including a housing adapted for connection to a fluid reservoir such as an automobile crankcase, a valve piston member for sealing and unsealing a drain passage through the housing and a piston closure member which is held under tension against the outside wall of the housing when the valve is closed.

Abstract: A novel operator is disclosed for use in combination with a butterfly fire and volume control damper, which operator may be concealed behind a standard concentric diffuser. Only a screwdriver aperture need be provided in the diffuser to facilitate the volume adjustment of the butterfly damper. In response to excessive heat in the vicinity of the damper, the blades of the damper will move to their fully closed position. Once activation conditions have passed, the damper may be reset by replacing the releasing device which separated in response to said heat.

Abstract: A cam actuated valve (10) is disclosed having a butterfly-type valve member (52) rotatably mounted to a crank member (40) extending into a fluid passageway (23) defined by the valve housing. A rectangular bracket (12) attached to one side of the valve housing has parallel edges (66, 68) forming guide surfaces which are slidably received in parallel grooves (62, 64) molded into an actuator member (14). The outer end of the crank member extends through an elongated slot formed in the actuator member thereby defining a cam-cam follower arrangement which transfers the linear movement of the actuator member to rotation of the crank member. The configuration of the cam slot and its position relative to crank member follower end provides a mechanical advantage enabling a relatively low input force exerted on the actuator member to operate the valve.

Abstract: Valve apparatus controls fluid flows in ten flexible tubes. The tubes are opposite each other in pairs and associated with each of five cams. One half of each cam provides cam surfaces which close and open one tube, and the other half, the opposite tube. With this arrangement five switch positions, which are equal to the number of cams, can be provided.

Abstract: A cam actuated valve is disclosed having a butterfly-type valve member (50) rotatably mounted in a fluid passageway (22) defined by a valve housing (20) with a crank member (16) attached to the valve member and extending beyond the housing. A rectangular bracket (12) is attached to one side of the valve housing and has a pivot hole (60) and a pair of arcuate slots (56, 58) concentric with the pivot hole. A cam (14) is rotatably mounted to the bracket by a pin (84) which projects from the face of the cam and extends into the bracket pivot hole. The cam is axially retained to the bracket by a pair of guide tabs (68, 70) formed around its periphery which extend through the guide slots and abut the valve side of the bracket and a bearing surface on the cam which abuts with the cam side of the bracket. The outer end (74) of the crank member extends through the bracket and into engagement with a cam surface defined by a slot (72) in the cam.

Abstract: A novel operator is disclosed for use in combination with a butterfly fire and volume control damper, which operator may be concealed behind a standard concentric diffuser. Only a screwdriver aperture need be provided in the diffuser to facilitate volume adjustment or resetting of the bufferfly damper. In response to excessive heat in the vicinity of the damper, or alternatively, in response to a remote signal received by the operator, the blades of the damper will move to their fully closed position. Once activation conditions have passed, a screwdriver is used to reset the damper to resume its volume control function.

Abstract: A valve assembly for a container filling machine. The filling machine includes a rotating turret or carrier having a series of platforms that support individual containers, such as cans, to be filled. Mounted above each platform is a valve assembly which controls the fluid flow to the can. Each valve assembly includes a valve body and a rotatable disc, and the body and the disc have mating surfaces, each containing ports that can be moved into registry as the disc is rotated with respect to the body to effect fluid flow. To rotate the disc during the cycle of operation, a single arm is attached to the disc and carries a follower which is adapted to engage a series of fixed cam tracks as the carrier rotates to move the arm and rotate the disc to obtain the desired registry of the ports.

Abstract: A variable valve event engine has a plurality of cams with different cam profiles and can vary the operating characteristics of the valve by moving a rocker arm for selectively changing the cams in accordance with changes in the operating conditions of the engine. The engine further includes a spring urging member which causes a certain amount of energy to be retained in a spring for rapidly changing the cams. In addition, the engine has a stopper guide positioned between two adjacent cams so that the changing of the cams can be effected while the crankshaft angle of the engine is within a predetermined range.

Abstract: A shift actuator for a multi-speed transmission includes a valve body and a spool movably positioned in a bore defined in the valve body. Fluid pressure acts on one end of the valve spool while a rotary cam is manually positionable to move the spool to various operating positions. Porting communicating with the valve bore is selectively blocked by the spool in its various positions.

Abstract: A valve, comprising a body which forms a cylindrical flow channel defined by side walls and having a fluid inlet provided at one end of the channel and an outlet provided in the side wall of the channel, and a closing device which comprises a piston connected to one end of a rod. The piston is provided with an upper flange facing the rod and a lower flange facing the inlet, which therebetween define a groove with at least two piston rings fitted therein. The piston rings are preferably in contact with each other. The rod may further comprise a push pipe and a pull rod extending through the push pipe, the upper flange being connected to the push pipe and the lower flange to the pull rod and the gap between the upper flange and piston rings being fitted with a sealing ring of a flexible material.

Abstract: The profile of the cam, of a cam-actuated, spring-return mechanism of the type which includes a cam-shaft, a cam-follower, a cam-follower-shaft and spring means having a given spring rate and initial preload, is shaped in such a manner, that for a particular spring means, the torque output of the cam-shaft can be tailored to meet the torque requirements of a driven device, for the torque output can be constant throughout the return travel of the cam-induced displacement of the spring means to a compressed condition beyond its initial preload, whereby an infinite number of torque output characteristics may be obtained by altering or preselecting the cam profile only, while utilizing, unchanged, the other components of the mechanism.

Abstract: A control apparatus has a single control handle, first and second work elements, and first and second ramps each contacting a respective work element. Apparatus is further provided for selectively, progressively pivoting only one of the ramps in response to controllably moving the single control handle. One of the ramps pivotally moves in response to moving the handle in a first plane to a first position and in a different second plane from a first toward a second position. The other ramp pivotally moves in response to moving the handle in the first plane to a second position and in a different third plane from a first toward a second position. Respective work elements are thereby moved between a plurality of positions for controlling an operation such as the flow of fluid through associated, respective valves.

Abstract: A valve apparatus is provided for use in a subterranean well and is responsive to manipulation of a fluid transmission conduit to manipulate a valve head relative to a valve seat between open and closed positions, the valve head means comprising camway slot means defined exteriorly thereon. Camway ball means are secured to the valve seat means and carriable in the camway slot means to pivot the valve head means as the head is rotated relative to its seat.

Abstract: Disclosed is a sequential operating mechanism for valves for applications requiring actuation of one valve, or set of valves, prior to actuation of another valve, or set of valves. The equipment preferably includes an actuator driver mounted for powered selective reciprocation through a stroke of selected length. The actuator carries cam pins which engage cams (preferably cam slots) on cam plates attached to the stems of the respective valves during the course of an actuator half stroke. The cams are configured with respect to the paths of movement of the cam pins and with respect to the valve stems so that one valve is fully actuated to its extreme position before actuation of the other valve begins. If additional valves, in the same or different piping networks, require actuation at the same time as one or both of the cam actuated valves, such additional valves are ganged for simultaneous operation with the appropriate one of the cam actuated valves.

Abstract: Air vent consisting of a fixed, gridlike apertured front panel and a stop plate disposed behind it, which plate is movable by a control mechanism in the direction of its plane and to the plane of the front panel and which plate in a position resting against the back of the front panel closes the grid apertures, but which in a separated position opens the grid apertures of the front panel for the passage of air.

Abstract: A water faucet is opened by swivelling the faucet pipe to at least one predetermined position and is closed by swivelling to any other position.

Abstract: A multi-purpose attitude insensitive valve has a mechanical actuating mechanism with a non-valving function to permit selective actuation of the valve by a variety of means. In addition to being substantially attitude insensitive the valve is adjustable in sensitivity by way of external adjustment with no disconnection of any portion of the valve.

Abstract: A mechanical actuating device for hydraulic control valves having complex control functions, which can be assembled from individual units in a modular system, each of which has valve bodies which can be operated by longitudinal displacement in a housing that can be joined to the housing of the adjacent module. The actuating device for each module has a cam control member rotatably mounted in a cam housing which can be placed on the module housing and which can be brought into engagement with the ends of the valve bodies protruding from the module housing. The cam control members of all individual modules are disposed with aligned axes of rotation, and a coupling is provided for the co-rotational joining together of the cam control members of adjacent modules in selectable relative angular positions to one another.

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 shift control mechanism having a detent means for selectively positioning the shifting mechanism for selective and alternative engagement of hydraulic actuators in a power shift transmission through spool valves operated by a control rack connected to the shifting mechanism.

Abstract: A crawler tracked vehicle of the type including right and left crawler tracks is provided and includes a prime mover drivingly connected to the crawler tracks through a differential, or the equivalent, as well as separate clutch and brake mechanisms interposed in the drive train for the tracks intermediate the differential and the tracks. A single oscillatable control is provided as well as a set of fluid pressure actuators for the clutch and brake mechanisms. A source of fluid under pressure is also provided and a set of fluid flow conduits communicate the source of fluid pressure with each of the actuators, independently, with a set of valves being provided and operatively associated with the fluid flow conduits for selectively controlling the flow of fluid therethrough to the corresponding actuators.

Abstract: A wall mountable holder to dispense the contents of an aerosol can, the holder comprising an outer casing of two parts dimensioned to contain within it a pressurized can, the two parts of said container being pivotally attached at their upper end and having projections to engage the dispensing nozzle of said can so that upon relative movement of said two parts toward each other beyond a predetermined position said means cause movement of said nozzle to thereby release contents from within said can.

Abstract: An automatic stop valve mounted in a liquid supply port of a container to be supplied with pressurized liquid, which valve ensures that liquid supply is automatically and instantaneously stopped when the liquid surface reaches a predetermined level. The valve comprises a hollow valve body with at least one liquid supply port formed at one end and one or more liquid discharge ports formed in the vicinity of the other end, a valve cylinder loosely engaged with the valve body and adapted to be movable axially of the valve body as the level of the pressurized liquid supplied into the container rises and a valve release mechanism for opening the valve by pressing the valve cylinder downwardly. The valve body has a pair of axially spaced seal members secured on the periphery of the valve body with the liquid discharge ports positioned between the seal members, and wherein the valve cylinder may contact the seal members liquid-tightly at both axial ends when the liquid level reaches a predetermined level.

Abstract: A plumbing valve having a plastic body with a lateral outlet and adapted for threaded connection with a metal pipe and including a resilient seal engaged and compressible upon connection of said valve body and pipe to maintain a seal therebetween incident to varying rates of expansion and contraction of said valve body and pipe with temperature changes. The valve has a rotatable actuator with an eccentric longitudinal part mounting a resilient tube having a portion pressed into contact with the cavity of the body to seal the outlet in one position and a second longitudinal part spaced from said concentric part and cooperating therewith to confine a part of said tube against radial expansion incident to liquid pressure from said metal supply pipe and retaining said tube against endwise displacement on said eccentric part.

Abstract: A lever operated tap or cock, the lever actuating a cam to cause a piston to move to open a valve against the action of a spring and the water pressure. The valve is thus manually opened, but the closing of the valve is by spring and water pressure only.

Abstract: A control mechanism for regulating operation of a rotatable winch drum through a power train including a brake which is normally engaged by hydraulic pressure to secure the winch drum against rotation and a normally disengaged clutch which is selectively engaged by hydraulic pressure for driving the winch drum in a reeling-in mode, the control mechanism including a control lever which is movable for selectively communicating hydraulic fluid to the brake and clutch, first and second biasing means being associated with the control lever to provide for adjustment of the lever at different rates of modulation.

Abstract: A canister type vacuum cleaner having mechanism for controlling the negative pressure in the filter bag compartment by bleeding ambient air into the compartment. The mechanism includes a pivotable valve plate for overlaying an aperture in the filter bag compartment and an operator laterally slidable across the front of the cleaner and operatively connected by cam means to the valve. The valve plate is pivoted to selectively block the aperture by an amount determined by the position of the operator and the degree of negative pressure is indicated by the lateral position of the operator.

Abstract: A mixer valve is disclosed for mixing hot and cold water, and controlling the outflowing volume by means of a single handle. The invention includes a control device outside the area to which water is admitted in the headpiece of the valve body and a wobble plate in the headpiece to control valve pistons. The wobble plate is carried by an axle bolt arranged on a secant in a bushing rotating around a fixed axis and being adjustable in its oblique position and its rotating setting by means of a lever assembly mounted in the bushing vertical to the rotational axis with an eccentric part engaging the wobble plate. The valve pistons preferably are tear-shaped and are mounted in spring tight suspension with the incoming water in the closing direction and housed and sealed by means of piston rods in the valve body with the piston rods in contact with the wobble plates at their top end-pieces.

Abstract: A valve means comprising a valve lever pivotably supported by a valve guide and having a valve disk at one end thereof, a flexible seal covering the supporting portion of the valve guide and supporting the valve lever, and a cam mechanism, said valve means being arranged to open and close the valve instantaneously by an extremely weak force by operating the valve lever by means of the cam mechanism.

Abstract: A sliding plate air flow control valve adapted for use in a high efficiency air filter system of the type used in clean rooms and the like. The sliding plate valve is preferably positioned on the downstream side of each filter, and includes a highly viscous, non-evaporating fluid positioned between the plates to thereby prevent the air from flowing laterally between the plates, whereby the volume of air flow may be accurately controlled over the full area of the clean room as well as the full area of each filter.

Abstract: In a scuba or other breathing apparatus, the demand regulator includes a diaphragm connected by a linkage to a valve that supplies breathable gas to the user in response to inhalation demand, as sensed by the diaphragm. The linkage includes a diaphragm-connected lever situated between a ball restrained for axial movement and a fixed member having a spherical surface facing the ball. The lever pivots on the spherical surface to cause sensitive displacement of the ball and hence actuation of the valve.

Abstract: A shut-off valve in a fluid line closes by spring pressure and/or line pressure and incorporates a control chamber wherein pressurized control fluid acting on a piston opens the valve in opposition to the spring pressure and/or line pressure. A 3-way actuator pilot normally places the control fluid in communication with the control cylinder but when vented cuts off the control supply fluid and releases the pressurized control fluid from the control chamber to cause the shut-off valve to close by spring pressure and/or line pressure. A monitor pilot responsive to pressure changes in the fluid line incorporates a relief valve and opens the relief valve by cam action to vent the actuator pilot whenever the pressure in the fluid line makes a predetermined departure from a normal pressure range.

Abstract: A shutoff-valve, for high and highest pressures (i.e. pressure in the range of hundreds to thousands of kp/cm.sup.2) especially for a high-pressure spray gun, has a common pressure chamber for a differential piston driven by the pressure medium (e.g. liquid or gas) and a control piston of either ball-, cone-. cylinder-, plate-, or similar shape. The control piston cooperates with a control pin displaced by an operating lever. The shutoff-valve, working on a largely hydraulic basis by creating underpressure, is brought into closing position by means of a bypass channel for controlled flow of the medium and is opened by displacement of the operating lever.

Abstract: A control mechanism for regulating operation of a rotatable winch drum through a power train including a brake which is normally engaged by hydraulic pressure to secure the winch drum against rotation and a normally disengaged clutch which is selectively engaged by hydraulic pressure for driving the winch drum in a reeling-in mode, the control mechanism including a control lever which is movable for selectively communicating hydraulic fluid to the brake and clutch, first and second biasing means being associated with the control lever to provide for adjustment of the lever at different rates of modulation.

Abstract: A valve for dental syringes and the like has its actuator provided with a cam. When the actuator is moved axially it engages a valve seal member and rocks the member on the valve seat so that initially only a portion of the valve about the periphery of the valve seal member is open. Moving the actuator further causes the entire valve seal member to move off of the valve seat so that the full circumference about the seal member is opened. The rocking of the valve seal member on the seat and then moving it axially from the valve seat provides substantially linear volume control from zero flow to the designed maximum flow of the valve.

Abstract: An automatic temperature responsive damper assembly for use primarily with turbine-type attic ventilators is disclosed. A temperature sensitive power element capable of generating a force in the order of fifty pounds per square inch is positioned beneath the vane or vanes of the damper. The preferred power element is a sealed bellows unit containing the appropriate heat-expansible fluid. Expansion of the bellows with increased heat actuates a pivoted lever to cause opening and closing of the damper over a predetermined range of temperatures. Communication of the lever movement to movement of the damper vane or vanes is accomplished by providing the free end of the pivoted lever with an upwardly extending arm having a vane engaging camming surface. By shaping the camming surfaces in a sinusoidal fashion, a rapid initial opening of the damper is provided as well as protection against damage to the damper assembly should the maximum preset temperature be exceeded.

Abstract: A live well valve apparatus having a valve body forming a ball member compartment and a stab joint conduit with flowthrough communication therebetween. A ball member is disposed in the ball compartment and positionable in moving clearance and in sealing engagement with a valve seat disposed between the ball member compartment and the stab joint conduit. A wedge means is provided to selectively force the ball member in sealing engagement with the valve seat, the wedge assembly in the preferred embodiment being an actuator bar slidingly supported on the valve body in opposingly aligned bar supporting grooves, the actuator bar having a clearance end and a wedge end.

Abstract: A system is provided for maintaining a permanent reciprocatory movement of a mechanical arrangement, particularly a pump unit. A main driving wheel is coupled to the mechanical arrangement and fastened on the shaft of a hydraulic motor which is supplied by a variable delivery pump provided with control means. The control means is coupled to the wheel by a drive mechanism which comprises a rocking lever coupled to the control means and a cam carrier wheel rotationally fixed to the wheel. As the mechanical arrangement moves in one direction, the rotation of the driving wheel causes the cam wheel to change the position of the rocking lever thus permitting the control means to direct the flow of fluid from the variable delivery pump to the hydraulic motor to reverse the direction of travel of the mechanical arrangement.