Abstract: A locking security cover which provides means for locking a depository cassette or receptacle to the currency validator mechanism limiting unauthorized access to the collected currency in the depository cassette, the locking security cover nests the depository cassette to the currency validator by means of key holes located on either side of the cover, cooperable with corresponding studs associated with the validator, thereby securing the locking security cover in a downward position and locked in position by a shackle secured to the rear face of the depository cassette cooperative with a downwardly extending back face of the locking security cover for receipt of a padlock, thereby securing the locking security cover.

Abstract: This invention relates to a security system aimed at closing and locking a cover of an opening of a tank trailer to avoid any tampering of its content and to prove that the content of the tank has not been tampered. The security system comprises a locking member movable between a lock position to prevent the opening of the cover, and an unlock position to allow the opening of the cover. The invention also comprises an actuating device mounted to the tank trailer operatively connected to the locking member for moving it between the lock and the unlock positions. A sealing mechanism engages the actuating device when the locking member is in the lock position to prevent any movement of the locking member. The sealing mechanism comprises a breakable indicator which is broken upon disengagement from the actuating device, thereby indicating that the openable cover has been tampered with.

Abstract: A toolbox security frame includes a lower frame that may be placed within a cage with a rear member of the lower frame extending therefrom. The rear member has ends that extend to the exterior of the lower frame. Each of the ends has a lock bar hole therethrough. Sides of a lower part of the cage form lock bar passageways that are each in registration with one of the lock bar holes. A front of the lower cage has a member with a notch therein. A front member of the lower frame has a padlock receptacle with a receptacle hole therethrough. The padlock receptacle extends to the exterior of the lower frame where it is within the notch. A central part of a U shaped lock bar includes a pair of tabs with a hole therethrough that are in registration with the receptacle hole. The lock bar has sides that each extend through one of the passageways and one of the lock bar holes.

Abstract: A lock adapter for an ammunition can having a clamp lever with an aperture includes a rod element received through the aperture and mounted to a side of the can. The rod element incorporates a relieved portion on an end opposite the side of the can and has a length and diameter sized in combination with the relieved portion for clearance of the aperture through an angular displacement of the clamp lever for opening the can. A hole substantially perpendicular to an axis of the rod receives a padlock. A bolt received through a drilled hole in the side of the can engages a tapped bore in the rod. A Bellville washer is placed on the bolt between the side of the can and the head of the bolt. The Bellville washer includes a sealing gasket adjacent the side of the can to seal the bolt and bolt hole preventing moisture from entering the can.

Abstract: A locking neck ring device that is placed over a capped bottle or container and grips the bottle neck ring, and together with a padlock or other securing means, prevents access to the bottle cap. The locking device comprises a clamp member that jackets a capped bottle neck; a cover which fits over the clamp member causing it to clamp on to the neck below the neck ring, and means to hold the clamp member to the cover. Provision is made for attaching a padlock or other securing means which holds the locking ring device in place. The bottle or container cap can then not be accessed for removal. The device is applicable to all sizes of drug containers, wine and liquor bottles for effectively locking access to the container contents.

Abstract: An apparatus for holding a substrate includes a shelf capable of holding the substrate; a body which encloses the shelf, the body having an open side; and an outer door frame pivotally coupled to the body and defining an opening. The apparatus also includes an inner door which fits into the opening. The body's open side is substantially covered by the inner door and by the outer door frame when the inner door and outer door frame are in closed positions. The apparatus can include a double hinge for pivotally coupling the outer door frame to the body. It can also include a bolt that is movably attached to the inner door, so that the inner door has a locked position in which the bolt extends into the frame and an unlocked position in which the bolt retracts from the frame.

Abstract: A locking device has a base, a positioning element, a positioning frame, a cable and a lock assembly. The base has a positioning tab and a squeezing device. The positioning element is attached to the bottom of the base configured for the base being attached to an object. The positioning frame is pivotally attached to the base and has a telescopic body. The cable is moveably received in the base and has one end extending out from the base and provided by a hook to connect to the positioning frame. The lock assembly is mounted in the base and detachably locks the cable. Accordingly, a PDA and a charging base can be securely held on the base with the positioning frame and the cable. This can keep the PDA and the charging base from being unauthorizedly moved.

Abstract: A hasp enclosure for protecting an eye of a hasp and receiving a lock. The hasp enclosure includes a cover having an opening which extends into an interior, eye receiving chamber. An aperture is defined through the cover which intersects the interior, eye receiving chamber in a location which is aligned with the eye so that the lock can be be inserted through the aperture in the cover and the eye. The cover may be a separate piece or may be connected to the hasp face plate over the hasp eye receiving slot.

Abstract: A switchgear cabinet closing device for locking a cabinet door on a switchgear cabinet. The closing device has a handle on which a closing mechanism is connected via an adjusting mechanism, whereby the handle is held on a housing mounted on an outer side of the cabinet door, and whereby the handle is secured in the lock position by a closing device. In order to adapt such a switchgear cabinet closing device to various closing systems in a simple manner, the housing has a primary housing for mounting the handle such that it can pivot, and a collar housing which can be connected to the primary housing. This invention also provides a collar housing that accommodates a lock of the closing mechanism.

Abstract: A theft prevention lock for trailers with socket-type hitches has a first plate element having a base portion and inner and outer ends. An upwardly extending arcuate protrusion is formed on the inner end of the first plate to penetrate the socket of a trailer hitch through an open bottom of the socket. An upwardly extending ear is on the outer end of the base portion and has a aperture therein. A second plate element has a lower end and an upper portion curving upwardly and terminating in a hook element with a lower arcuate portion complimentary in shape to the arcuate portion formed on the inner end of the first plate element. An aperture is in the second plate registering with the aperture in the ear of the first plate. The first and second plates are pivotally connected together.

Abstract: A device for fastening to equipment subject to theft and having an outer shell provided with a security slot. The device is inserted in the security slot located in the shell of the equipment. The device includes two similarly-shaped, mirror-imaged insert members having a hooked tang protruding therefrom. The tangs are inserted through the security slot so that the hooks grip the inside surface of the equipment shell proximate the security slot, and the insert members are mated in juxtaposition. The insert members further include a cylindrical portion, that, when juxtaposed, creates a channel through which a cable or padlock may be passed to hold the insert members together. The device may include a sleeve to slidably cover the insert members.

Abstract: A latch assembly including a lug, a rack, and a lever is provided for portable computer. The lug rotatably mounted on a cover case. A hook formed on the other end of lug protrudes through a hook opening of cover case in a closed position so as to be securely connected to hook holder of a main body case through a front opening of the main body case in a closed position and is securely located into inside of the cover case in the open position so as to avoid being broken and injuring an user. The rack slidably disposed within the cover case allows the lug to be projected through the cover case or to be located underneath the cover case. The lever disposed at an outer surface of the cover case is connected to the rack to causes the rack to slidably and linearly move and the lug to rotate and to protrude from and retract into the surface of the cover case. Protrusions formed on the lever contacts a pair of convex portion of the cover case so as to securely maintain the closed or open position.

Abstract: A device for fastening to equipment subject to theft and having an outer shell provided with a security slot. The device is inserted in the security slot located in the shell of the equipment. The device includes two similarly-shaped, mirror-imaged insert members having a hooked tang protruding therefrom. The tangs are inserted through the security slot so that the hooks grip the inside surface of the equipment shell proximate the security slot, and the insert members are mated in juxtaposition. The insert members further include a cylindrical portion, that, when juxtaposed, creates a channel through which a cable or padlock may be passed to hold the insert members together. The device may include a sleeve to slidably cover the insert members.

Abstract: In a safety door-locking system for a switchgear cabinet, in which the electric operating state inside the switchgear cabinet is operationally connected to a locking device of a cabinet door of the switchgear cabinet, it is provided that a position of a switch in the switchgear cabinet is coupled via a mechanical connecting system (9, 10, 11, 12, 4, 5) to a locking linkage of the cabinet door. For this purpose, a rotatably (14a) mounted control disc (9) is permanently connected to the switch in the switchgear cabinet (1), the control disc (9) additionally representing the position of the switch. The control disc (9) and a locking rod (4) are operationally connected mechanically via a connecting rod (10) and a connecting angle (11) held between guide pins (12a, b) in the locking rod (4), and the locking rod (4) is mounted displaceably (19) for the purpose of locking the locking linkage of the cabinet door.

Abstract: An electronic system of locking and alarming one or more doors such that if an attempt is made to open the door, the alarm sounds. The device is preferably installed on vehicles having multiple built-in equipment compartments. The device is powered by the vehicle battery and includes a novel lock mechanism which requires very little power. The lock mechanism comprises a lock housing, a pin, a pivoting latch gate, a switch and a solenoid. The device is electrically connected to a vehicle's conventional remote-controlled security system and sounds an alarm if an attempt is made to open a compartment door.

Abstract: A device and method for fastening to equipment subject to theft and provided with a security slot. The device is inserted in the security slot located in the shell of the equipment. The device includes of two similarly-shaped plates having a hooked tang protruding from one edge. The plate tangs are inserted through the security hole so that the hooks grip the hole edges and the plates are wedged in back-to-back. The device further includes a locking mechanism such as a tab defining an aperture, through which a cable or lock is passed to hold the plates together in place. The device may include a saddle to cover the plates, or may include one plate bearing a locking member to rotatably engage the equipment to secure it against theft.

Abstract: A protector device for hardware latch members used in conventional containers and trailers to secure in place the pivoting locking bar members. The device includes a housing having a substantially rectangular cross-section defined by side walls, a top wall and a bottom wall. Hingedly mounted tabs extending outwardly from the inner edge of the side walls are foldable within the housing and secured on the hardware latch members of the door being protected. The distal ends of the latch members include openings though which a conventional protective seal member is passed. Upper and lower concave members join the walls' outer edges and they are separated defining aperture inbetween. In front of the aperture a convex wall is mounted to the outer edges of the side walls and cutouts on the upper and lower walls permit a protective seal member through. The latch members are completely covered and protected.

Abstract: This invention is a tamper-resistant enclosure for a coin-operated vending apparatus and the like wherein the locking device is fixedly attached to and mounted internally of the enclosure making it less vulnerable to theft and vandalism. The locking mechanism includes a ring-shaped hanging lock that is attached by weldment to an interior end wall of the enclosure. The lock is positioned in substantial alignment with an aperture in the front end wall to permit operation of the lock from the exterior of the enclosure by a key. The top cover includes an integrally formed locking flange which passes through a slotted opening in the end wall adjacent the lock such that the lock is positioned in an operative relationship with an aperture in the locking flange when the slideable top is in a closed position enabling the enclosure to be secured. The enclosure is adaptable to use for vending any suitable consumer product or to any application where a secure, corrosion-resistant enclosure is desired.

Abstract: A device for the chassis of a computer case that prevents unauthorized access to the internal components thereof is disclosed. The device includes a `U` shaped member, positioned primarily inside the chassis, such that if one arm is pulled forward against a spring bias through an aperture in the chassis by a user, the other arm of the `U` fastens the cover of the computer case to the base. In addition, an a hole positioned near the tip of the arm that is pulled through the aperture to allow the user to attach a locking mechanism to the fastening device, thus preventing the disengagement and the opening up of the computer case by others. As a result, expensive electrical components located inside the chassis, including a CPU, will not be accessible to outsiders. The user is free to select the type of locking mechanism that is attached to the fastening device.

Abstract: A device for fastening equipment subject to theft and provided with a security hole, by inserting the device in the security hole located on the outside surface of the equipment. The device consists of two identically shaped metal plates having a hooked tang protruding from one edge, and a clip member that will hold the two plates together closely. The plate tangs are inserted through the security hole so that the hooks grip the hole edges and the plates are wedged in back to back and against the equipment outer shell by the clip member. This holds the plates and hooks in place, making it impossible for either of the plates to come loose or be pulled out of the hole at the same time. A through hole is provided for attaching a cable or padlock to the fastening device, thus securing the equipment from theft.

Abstract: A semi-trailer anti-theft device or apparatus is provided in the form of a shield which extends over and substantially encloses both the latch handle on the cargo door of a semi-trailer and the padlock associated with the latch. The shield includes an elongated front panel which extends across the latch handle. At a first end of the front panel on the rear side thereof is a forked member which can be inserted around the pivot pin of the latch handle and then the shield can be swung down about the pivot pin so as to bring the front panel of the shield into covering alignment with the latch handle. A second end of the front panel is in the form of a padlock guard having a rearwardly extending flange which extends over the top of the padlock and a lock plate protecting the face of the padlock. Also a locking web extends rearwardly from the second end of the front panel below the flange and has an aperture through which the padlock bight extends.

Abstract: A tank lock system for a gasoline tank of a motor vehicle having a filler neck in a fueling area near the periphery of the motor vehicle body, a tank cap for sealingly closing the filler neck, as well as a pivotable tank cover for covering or providing access to the fueling area, and a device for the unlocking of the tank cap. The tank cap and the tank cover constitute a single unit for simultaneously opening or closing the filler neck and providing or denying access to the fueling area, thereby ensuring a safe, secure, and comfortable operation of a tank lock system.

Abstract: A trailer hitch cover assembly covers the entire V- shaped trailer hitch assembly to protect the trailer hitch from the elements and prevent injury to horses and children. A cap snaps or locks onto the hinged sides of the cover, and the sides snap or lock onto a base. A top rear panel folds down from the cap to just above the top of the trailer hitch, and a bottom rear panel folds up from the base. A wheel block in the base supports the wheel of the trailer hitch, and holds the cover assembly firmly over the hitch assembly. The cap, base and sides of the cover are preferably formed of a light-weight plastic, such as low density polyethylene. Locking connectors may be used to connect the cap and base to the sides.

Abstract: A locking assembly for preventing access to a nut threadedly secured onto a bolt, the nut and bolt generally mounting an article, such as an outboard motor, to a structure, such as a boat transom. The locking assembly is independent of the bolt and nut, and includes a cylindrical housing that receives the bolt through one end thereof and allows for the threading of the nut onto the bolt. A cap that is received on the end of the housing opposite the bolt, by a boss and counterbore arrangement, is rotatably retained by a roll pin. The cap includes a tapered bore that receives a threaded stud and locking lug assembly. The threaded stud is received by a locking lever that is nonrotatably retained within the housing. As the locking lug is tightened, the cap is secured to the housing to prevent access to the nut.

Abstract: The fire hydrant locking device has a cap (20) enclosing the operating nut (12) of the fire hydrant (6). The cap is secured in place on the top surface of the fire hydrant bonnet (10) by at least one arm (22) extending downwardly over and about the bonnet and extending beyond the fire hydrant barrel mounting flange (9). The lower end of the arm (22) is attached to the flanges (9 and 10') of the barrel (8) and bonnet (10) by bracket (26) and its pad lock (25) so that the cap, arm, and bonnet of the fire hydrant cannot be removed without first removing the fire hydrant locking device. Another locking bracket (80) is received on the outlet cap (17), of the fire hydrant hose outlets (16). Chain (86) is passed through each locking bracket encircling the fire hydrant, whereupon the ends of the chain are pad locked together.

Abstract: The closure includes a base adapted to be screwed into a fuel tank filler pipe and having a fill opening normally closed by a hinged flapper which is opened when a fuel nozzle is inserted into the fill opening. The base is shielded against being manually gripped and unscrewed from the filler pipe by a cover also having a fill opening and normally supported for free rotation on the base so that turning of the cover normally is ineffective to unscrew the base. When a key is inserted into the cover, it couples the cover and the base for rotation as a unit and thereby enables the base to be unscrewed from the filler pipe. The same key also is used to actuate a locking device for locking the flapper in its closed position.

Abstract: There is disclosed an addressable device for receiving address coded signals from a central control unit. The device includes an electrical unit that is detachably connected to a base. The electrical unit has a switch for setting the address of the electrical unit. The base has an addressable key that is insertable into an opening in said switch when the addresses of the key and switch match and is not insertable when the addresses do not match. Alternatively, there is an addressable lock on one of the electrical unit and base and a separate addressable key on the other of the electrical unit and base.

Abstract: A security cover assembly for an instrument panel. The cover assembly is hinged to a console and consists of upper and lower hinged portions that can be folded and moved to a stored position where it will not obstruct the operators vision. When closed the cover is locked in position and designed so that it can not be readily pried open. When opened, the cover is secured to the back of the console and is retained against vibration.

Abstract: An air filtrating disk drive slot dust protector comprises an air filtrating element attached to the front portion of a disk shaped supporting body, so that insertion of the protector into the disk drive causes the disk drive slot to be blocked by the air filtrating element, thereby keeping the dust from entering the disk drive slot but still allowing the cooling air to pass.

Abstract: Apparatus for preventing unwanted access to a disk drive is disclosed. A housing has a surface adapted to overlie the slot, an internal piston chamber extending inwardly from one end of the housing, and a lock receiving chamber intersecting the piston chamber immediate the ends of the housing. A fixed latch member extends outwardly from one end of the housing, and is provided with a lip at its distal end. A movable latch member is attached to a piston located in the piston chamber and projects outwardly parallel to the fixed latch member. The movable latch member has a lip at its distal end extending outwardly so that the lips of the respective latch member extend away from one another. The piston is movable inwardly with respect to the housing so that the latch members can be inserted into the disk drive slot, and thereafter the piston moves outwardly so that the lips of the latch members engage the corners of the slot. A lock mechanism is located in the lock receiving chamber of the housing.

Abstract: A portable secure container or keysafe is provided which employs a conventional combination padlock with a permanently attached U-shaped shackle. The padlock serves as both the locking mechanism and closure for the container. The padlock is inserted into a sleeve extending from the container which slidably receives the lock. The mechanism to operate the lock is located in the same opening which receives the lock. The sleeve has a hole to receive the free end of the padlock shackle and a slot which receives the permanently attached end. The slot can be "L" shaped to allow a circular padlock to be rotated within a circular sleeve a limited distance to align the free end of the shackle with a hole in the sleeve. The container can also be secured to a permanent structure by the shackle of the padlock.

Abstract: A thermostat guard including a ventilation scheme that allows air flow to the thermostat, while preventing the insertion of tools through ventilation holes to adjust the thermostat. The thermostat guard provides a locked enclosure for a thermostat so as to prevent unauthorized adjustments.

Abstract: An adjustable lock for a cassette tape player for preventing the theft and unauthorized use of the cassette tape player is disclosed. The adjustable lock comprises a housing mounted outside of a tape receiving chamber. The housing has a hook extending rearwardly and laterally outwardly therefrom so as to be insertable into one end of the tape slot in the cassette tape player and a bolt extending rearwardly and laterally outwardly from the housing whereby the engaging end of the bolt is insertable into the end of a tape slot opposite the hook. The adjustable lock also includes a tubular key lock assembly which mounted on the face of the housing is operationally associated with the bolt. In particular, the tubular key lock assembly is adapted to extend or retract the bolt by a distance rearwardly from the housing which is adjustable.

Abstract: A high security lock assembly having a tang for holding lock shackle pins, ith said tang being attached to a first member, such as a bulkhead or a door jamb. A reversible cover, which can be attached to either the left or right side of a second member, such as a door or cover, is attached, as by welding, with a hasp liner. The hasp liner has a side opening sufficiently large to clear the tang and lock shackle pins, but too small for a lock to pass therethrough. The bottom of the hasp liner is open to receive a lock which is engageable with the lock shackle pins to secure the second member with the first member. The reversible cover is provided with a flange which can be welded directly to a door, cover, or hinge.

Abstract: A locking device for tank filler tubes is described, comprising a sleeve member for insertion in the filler tube to provide smooth walls, and an annular shaped locking collar that slides inside the sleeve and fastens through the sleeve to the inside wall of the filler tube. The locking collar does not have to be removed in order to fill the tank. Two disks, having off-center openings large enough for a filler hose nozzle, are arranged one above the other in the top of the locking collar so that the top disk can be rotated to allow the off-center openings to be aligned for a filler nozzle. A cylinder lock prevents rotation of the top disk when in the locked position. An alternative embodiment of the invention does not fit inside the tank filler tube, but rather is welded or joined to it. This alternative uses a padlock which prevents a cap from being rotated to a position which aligns openings in the device, allowing insertion of a filler hose nozzle.

Abstract: A computer disk drive dust protector is made in the form of an elongated wedge-shaped slot entry member which is inwardly tapered at the edges, so that insertion of the member into the disk drive slot causes the member to tightly wedge within the slot from end to end and from top to bottom, thereby preventing the entry of dust into the slot. A handle is attached to the rear edge of the slot entry member to facilitate the insertion of the member into the computer disk drive slot and to facilitate removal of the member from the slot when the computer is to be used. At least the portion of the device which enters into the disk drive slot is made of resilient plastic to resiliently hold the member in place in the disk drive slot.

Abstract: A computer disk drive slot blocking device for permanent mounting on the computer featuring a rotatable blocking element associated with a base for attachment to be the computer and a housing containing a lock plug where insertion of the key into the lock plug allows the blocking element to be rotated between a slot blocking and slot unblocking positions.

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 security container comprises two halves which can be slid together longitudinally to close the container and locked in the longitudinally closed position. Each half comprises a channel member and an associated end cap which is of a size to cover the whole of the end of the container. Edges of the side panels of each channel member include u-shape formations to that the two halves interlock for a longitudinal movement. A money compartment is defined in the bottom of the rear half by a transverse plate parallel to the lower end cap. A drawer is mounted in the compartment and can be locked by rotating a threaded rod into engagement with a nut welded on the rear face of the rear channel member. A locking mechanism for the above container includes a protective cover including two plates covering the front face of the lock barrel with four balls between the plates allowing a key to pan between the balls into the lock but resisting a punch force to the front of the lock.

Abstract: A permanent locking device is provided for securing a computer disk drive unit which features a disk drive bezel incorporating a rotatable lock having a shaft extending behind the bezel and a blocking bar connected to the shaft to rotate between a locked position where the bar blocks the slot and engages the computer body to an unlocked position to allow access to the diskette slot.

Abstract: The two-step locking system includes a dual locking unit comprised of a flat plate to which a recessed cover is hinged. The plate has a keeper projecting therefrom and said recessed cover has a slot through which the free end of the keeper extends so that a padlock can be attached to the keeper via a hole therein to prevent the cover from being opened. A sleeve is secured to said plate, the sleeve projecting a lesser distance from the plate than the keeper, so that the sleeve is completely concealed when the cover is closed. A penta-head bolt extends through the plate of the unit into threaded engagement with a tapped hole in a bracket. The plate of the dual locking unit is riveted to one component of a two-component enclosure, and the bracket is riveted to the other component. The tapped hole in the bracket is in registry with the bolt when the two components are mated so as to allow the bolt to be threadedly engaged with the bracket.

Abstract: An acoustic apparatus such as a radio receiver and tape player is mounted into an interior panel such as a dashboard of an automobile. The acoustic apparatus includes a housing having a size insertable into an aperture formed in the interior panel. The housing is inserted through the aperture from the front side of the interior panel and is firmly attached to the interior panel by manually actuating mount knobs provided in the front of the housing. A theft detecting circuit arrangement including a switch operable from the front side of the housing is provided in the housing and protective members are provided for covering the mount knobs. The protective members include operating plates for operating the switch. Upon the detachment of the protective member, the electric circuit arrangement is actuated to produce a warning signal to prevent the detachment of the acoustic apparatus from the interior panel without permission.

Abstract: A lockable closure for a gasoline filler tube is provided including a threaded extension which can be tightly threaded into the upper open end of a vehicle filler tube. The closure housing has an opening extending through the housing to communicate with the filler tube cavity as well as a flat upper surface of the housing which provides a sealing surface for a vapor boot during refueling. A locking plate assembly has a pair of spaced apart plates slidably received in the closure housing for movement into covering relation to the cavity or radially outwardly to an extended position leaving the housing cavity exposed for fuel entry. The closure may be locked in place.

Abstract: A locking shield is provided for covering the fuel cap of particular portable fuel tanks. A tapered flat sheet shield base is structured with a widened end extended, angled, and aperture to be retainably fitted to a fuel tank handle tab adjacent the fuel filler neck. The shield base has flanged sides and is positioned horizontally with the sides and angled end downwardly to cover the fuel filler neck and fuel cap. Extensions of the flanged sides at the narrow end of the shield base are apertured and arranged to position so the device can be padlocked inside the loop of a closed loop handle on the top of the portable fuel tank.

Abstract: A barrel lock assembly for use in securing a lock housing over the latch or access point of a securable enclosure, such as a utility meter box, is disclosed, having a bar member with a stop on the distal end for engaging a surface on the lock housing or on the enclosure to be secured. A second bar member is disposed parallel to the first and has a head portion which receives the proximal end of the first bar member. The head and the first bar member have axially aligned apertures for receiving a suitable padlock and holding the assembly together.

Abstract: The accessory locking device including hingedly connected shells having confrontable flanges that have convexly curved outer surface portions, each flange having a notch therein. A keeper tube has a slot so that the keeper tube is longitudinally slidable over the convexly curved portions of said flanges. Secured to the keeper tube is an auxiliary cylindrical lock having a projectable and retractable bolt, said bolt being projectable through a hole in the keeper tube so as to provide obstructive interference with the notches in said flanges. In this way, the keeper tube cannot be slidably withdrawn from the flanges until the bolt is fully retracted from the notches.

Abstract: Wellhead distribution valving (known in the trade as a Xmas tree) are protected from potential thieves by security apparatus that prevents access to the mounting flange bolts of the wellhead valving. This security apparatus comprises a housing having two similar half sections. Each half section includes an outer wall, a semi-annular top and a semi-annular bottom. A plurality of locking members are integrally attached to the outer wall at each half to mate with a locking receptacle attached to the inner surface of the outer wall of the mating half section. An inner core of a metallic material is incorporated into the outer wall, the top and the bottom to increase the difficulty of penetration through the surface housing.

Abstract: An anti-theft device to prevent the unauthorized removal of a mounted, flanged object comprising a cover overlying the mounting flanges of the object, a securing device for attaching the cover to the surface upon which the flanged object is mounted and a locking device for preventing removal of the cover from the securing device. The invention is particularly useful in remote oil field and other field uses to prevent theft of industrial machine accessories such as starters, generators, and batteries.

Abstract: A locking device for a tank having a spout and a cap attached to the spout, the device including a main body having a first and second hinging portion. The first and second hinging portions are hingedly connected with each other and have corresponding mating surfaces surrounding a depression whereby when the mating surfaces are in contact the depressions form a cavity. The cavity completely encompasses the cap and a portion of the spout including a split ring that is firmly engaging the spout. The split ring being firmly attached to the spout and within the cavity prevents a thief from pulling up on the main body to frictionally engage and twist the cap off by engaging the inside edge of an inwardly extending flange of the main body while the main body is being rotated. The cavity is also tall enough to prevent a thief from pushing down to frictionally engage the cap with the main body. A lock securely holds the first and second hinging portions in a closed position.

Abstract: A tamper-proof locking device mountable on a lidded container or the like. A first member has a first portion which overlies the closed lid of the container. A second portion of the first member overlies a side wall of the container below the lid. A third portion of the first member extends away from the second portion and the container side wall. An opening in the third portion has an axis which is perpendicular to the plane of the lid. The second portion is secured to the side wall of the container. The second member has a first portion which cooperates with the first member when assembled thereon to form an enclosure that prevents access of a tool to the element which secures the second portion of the first member to the container side wall. The second member has a second portion which is parallel to the third portion of the first member and which has an opening. This opening is in alignment with the opening in the third section of the first member. A rectilinear shackle is receivable in the openings.