Abstract: There is described a lock plate assembly for use with a three-position ball valve. The valve has a body, a valve element disposed for rotation within the body, and a handle mounted for rotation upon the body for operation of (off) position, a second (test) position and a third (drain) position. The lock plate assembly includes a lock plate frame defining a first frame stop for the handle in the first position and a second frame stop for the handle in the third position, a slide latch defining a latch stop for the handle in the second position, the latch stop being mounted upon the frame for movement between a first latch position with the latch stop disposed to prevent movement of the handle to the third position, and a second latch position with the latch stop removed from the path of the handle, and a spring or the like for biasing the slide latch toward the first latch position.

Abstract: A tamper-proof locking mechanism for a rotatable control device, such as a quarter turn valve including a valve member connected to a stem journalled in a body housing the valve member and an operating handle connected to the stem for rotating the valve member between open and closed positions. The locking mechanism includes a pair of lugs on the valve body at circumferentially spaced locations corresponding to the locations of an intermediate portion of the handle when the valve member is in the open and closed positions. A slider member is slidably mounted on the intermediate portion of the handle for reciprocative movement between a locked position and an unlocked position. The slider member includes a latch element having an open portion for receiving the lugs and arranged to restrain both rotational and axial movement of the handle when the handle is in the open or closed position and the slider member is in the locked position.

Abstract: A lockout device for a valve having a lever handle. The device includes a channel member defining a channel to receive a section of the lever handle when closed and a leg that bears against the valve or pipeline connected to it. A lock is inserted through the apertures in the channel member alongside an edge of the handle.

Abstract: A valve assembly comprising a valve having a housing and a valve element disposed in the housing and movable between closed and open positions, the valve element having a nut portion and a wing portion, the nut portion projecting out of the housing and having a cross-sectional configuration such that a tool may be applied for turning the valve element between the closed and open positions, the wing portion being movable between a first position when the valve element is in the closed position and a second position when the valve element is in the open position, the housing having a wing portion provided with an opening therein disposed in lockable relation with the valve element wing portion when the valve element wing portion is in its first position, a barrel lock removably mountable in registered openings of the wing portions when the valve element wing portion is in its first position whereby the valve element will be locked in the closed position, and a rigid member having first means cooperable with the

Abstract: A storage drum security apparatus (10) is provided to secure the apertures (24,26) on a storage drum or barrel (12). The apparatus (10) includes a large aperture subassembly (14) and a small aperture subassembly (16) which are interconnected by a securing bar subassembly (18). The first bung member (28) is provided with a post member (40) which extends upward through an isolator member (56) to engage a post receiving hole (98) formed in a flattened portion (92) of the securing bar (90) while the second bung member (66) includes a ball portion (80) on a neck (78) which mates with ball receiving structure (102) in the tubular portion (94) of the securing bar (90). This relationship prevents access to turn either of the bung members (28,66) while the securing bar (90) is in place. The securing bar (90) is also adapted to be used as a wrench to turn both the bung members (28,66 ) when desired.

Abstract: A deck box valve operator and position indicator assembly characterized by a sprocket (66) supported by the housing (18) on a plateau (70) adjacent the spindle means (46) and having a plurality of radial forked (74) arms (72) with arcuate peripheries (76) extending between adjacent arms to extend about the circular circumference (78) of the spindle means (46). The spindle means (46) has a concaved recess (80) interrupting its circular circumference in an annular groove extending above the spindle means (46) for receiving the arms (72) of the sprocket (66). A gear train interconnects the sprocket (46) and an indicator ring (62) rotatably disposed in the housing for establishing a ratio between the number of revolutions of the spindle means (46) and the ring indicator (62) means whereby the ring (62) indicates the position of a valve means (12) between open and shut.

Abstract: A locking device for a valve to be used in conjunction with a lock having a hasp comprising a pair of detachably connected corresponding members that when assembled engage the flow valve to substantially prevent its movement. The members include a means to restrain relative twisting of the members, and a means for joining the members together with the lock wherein the hasp is sandwiched between said members.

Abstract: A ball valve of the type comprising a body including a valve chamber having inlet and outlet ports, and a rotatable ball element disposed within the valve chamber, the ball defining a conduit communicating with the inlet and outlet ports. The ball is actuated by a control lever to rotate between a first open position and a second closed position of the valve; a manually operable lock is provided to retain the control lever and the ball element in those first and second positions and in at least one intermediate operative position.

Abstract: A security housing for surrounding a valve attached to a storage tank comprising a pair of hinged clamshell structures (e.g., hollow semi-cylindrical enclosures) that are also pivotally hinged to the storage tank adjacent to an outlet pipe with valve such that the clamshell structure when closed surrounds the valve, yet swings away from the valve to allow access thereto. The security housing is further equipped with an opening which allows manual access to a padlock and padlock eyelets on the interior of the housing. Such a structure is useful to prevent unauthorized access to crude oil stored in the oil field and the like.

Abstract: A locking frame for a ball valve consists of a sheet metal stamping folded into an enclosure having upper and lower plates to partially surround a part of the operating handle and the nut which secures the handle. The handle is keyed to the valve stem and engages body flanges to limit travel to valve open and valve closed positions. The frame is also fitted over the valve stem and includes tabs which engage the flanges to position same and to prevent rotation thereof. The upper plate is folded to a position parallel to the lower plate after assembly and includes a depending tab to further enclose the nut to prevent tampering. A pair of holes in the upper and lower plates are thus in registry and the shackle of a padlock may be passed therethrough to prevent movement of the handle from the valve open and valve closed positions.

Abstract: This locking device is for outdoor water faucets, and serves to prevent unauthorized use of such faucets. Primarily, it includes a main body or housing, which fits over the handle of the faucet, and is locked in place by a padlock. It further includes a screw cap, which is threaded onto the threaded nozzle of the faucet.

Abstract: A locking device for a control valve having a valve body and an operating handle rotatably shiftable between two positions, including a base member mountable on the valve for swinging movement co-axially with the handle and a locking member mounted on the base member for dependent swinging movement therewith and independent pivotal movement relative thereto and normal with respect to the swinging axis. The base and locking members each have opposed shoulders disposed for abutment with respective opposite sides of the handle and the locking member has a depending leg disposed to engage the valve body. Pivotal movement of the locking member permits selective swinging of the device. Upon abutment of the appropriate shoulders of the device against the side of the handle intermediate its two positions, the locking member is pivoted downwardly onto the base member to simultaneously engage the valve body with the depending leg, thereby to lock the handle against rotation.

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 lock apparatus for attachment to the top of an input pipe communicating with a storage tank includes an open-ended cylindrical housing for mounting to the top of the input pipe, a valve assembly pivotally mounted in the housing with a valve activating axle protruding through an orifice in the housing, and a locking mechanism. The valve assembly includes at least one valve plate with a seal member provided around the edge of the valve plate for sealing the space between the edge of the valve plate and the cylindrical housing when the valve assembly is closed. The locking mechanism includes a latch pivotally attached to the protruding end of the axle, a lock flange attached to the outside of the housing and a tamper prevention flange above and in linear alignment with the axle and the latch to prevent unauthorized tampering with the axle and attached latch. The latch may be coupled to the lock flange and locked to maintain the valve in the closed position across the interior of the housing.

Abstract: A lock apparatus for attachment to the top of an input pipe communicating with a storage tank includes an open-ended cylindrical housing for mounting to the top of the input pipe, a butterfly valve mechanism pivotally mounted in the housing with a butterfly valve activating axle protruding through an orifice in the housing, and a locking mechanism. The locking mechanism includes a latch pivotally attached to the protruding end of the axle, a lock flange attached to the outside of the housing and, a tamper prevention flange in linear alignment with the axle and the latch to prevent unauthorized tampering with the axle and attached latch. The latch may be coupled to the lock flange and locked to maintain the butterfly valve in the closed position across the interior of the housing.

Abstract: An anti-tampering device for protectively housing a valve stem operator, wherein the valve stem operator is connected to a pipe. The device includes a skirted keeper body having a main aperture and a pair of spaced hooked legs for hooked up engagement with the pipe on either side of the valve stem and in depending relation to the body. The skirted keeper body further includes an upstanding member having a first padlock aperture and means for connecting the legs to the body. The device includes a cap having a first padlock end with a second padlock aperture such that when the cap is in overlaying relation to the main aperture, the padlock apertures of the cap and body are in alignment.

Abstract: A locking device for a valve disposed in a housing including a stem assembly projecting from the valve for rotation of the valve between an open and closed position which includes a handle assembly provided with a handgrip portion at a first end thereof and a securing member at a second end thereof connected to the stem assembly. The locking device also provides for an abutment member mounted on the housing as well as a locking member mounted on the handle assembly so as to interfittingly cooperate with the handle assembly securing member and the abutment member to secure the valve in either the open or the closed valve position.

Abstract: A latching and locking mechanism for a rotatable control of the type having a stem journaled in a body and rotatable about an axis in a boss on the body. The stem has a protuberance for engagement with a handle. The handle comprises a boss-engaging end portion, a stem-engaging portion, a slider-riding portion, and a grip end portion. The slider-riding portion has a slider with a tang extending therefrom and means for securing a lock to restrict movement of the slider. The boss has surfaces located to correspond to predetermined positions of the stem. These surfaces are engageable by the tang which, when so engaged, restrains the handle from rotation and prevents removal of the handle from the stem.

Abstract: A coincidental lock for a motor vehicle comprises a key controlled lock cylinder mounted in the axial bore of a housing for axial displacement between an inward and an outward position, and for rotation in the inward position into selected operating positions. A lock bolt is mounted in a cross bore of the housing for displacement between a retracted position and a locking position, the bolt having a keeper engaging the steering column of the vehicle in the locking position. The lock bolt is displaced between these positions by a driving member operated by the rotation of the lock cylinder against the bias of an operating spring biassing the lock bolt into the locking position. A latch having a wedge face is mounted on the lock bolt for pivoting in the direction of the keeper against the bias of a soft spring.