Abstract: Snap hook assemblies in which additional components have been incorporated are detailed. The assemblies maintain the general shapes of carabiners rather than those of conventional versions of the incorporated components. Included among the incorporated components may be light sources, knife blades, compasses, can or bottle openers, and watches, for example, although other components may be incorporated instead.

Abstract: A security system for a shipping container includes a cover and seal pin, and a special removal tool for removing the pin from the cover. The cover includes a vertical channel with top and bottom plates mounted therein to form a rearwardly opening box. A pair of vertically aligned apertures in the top and bottom plates are aligned with apertures in ears of a hasp on the shipping container, and receive the seal pin to secure the cover to the container. A seal pin includes an elongated shaft with annular grooves in the upper and lower ends. A pair of end caps each includes an annular groove on their interior surfaces that correspond with the shaft grooves to retain a locking ring within the pair of aligned grooves, when the caps are snapped on the ends of the shaft. The locking rings prevent removal of the caps, once snapped into place on the shaft. A removal tool includes a hydraulic pump with a punch secured to a piston of the pump.

Abstract: Some embodiments of the cable lock provide a body defining a housing in which a cable can be received to lock the cable lock. In some embodiments, the cable is rotatable with respect to the housing when the cable lock is in a locked state, thereby increasing the difficulty of circumventing the lock. The cable lock can have a wall with an aperture shaped to compliment the cross-sectional shape of the cable passed therethrough, an end wall that can be attached to the housing by rolling or crimping an edge of the housing over the end wall, and/or one or more visual indicators providing a manner by which tampering of the cable lock can be detected.

Abstract: A rotary lock seal includes a pin with an elongated shaft and an enlarged head at a rearward end. The forward end of the shaft has a peg projecting coaxially therefrom. An end cap has an enlarged head at a forward end and a central bore extending forwardly through the rearward end, forming an annular sidewall. An annular groove on the inner surface of the cap sidewall corresponds with a groove formed on the peg to retain a locking ring within the pair of aligned grooves when the cap is positioned over the peg on the pin. The locking ring prevents removal of the cap once secured on the pin.

Abstract: A security seal for a freight car, freight container or other enclosure. The seal has an electronic timepiece which displays the time and date and is preset at an established reference time. A cut-resistant strap is secured at one end to the seal and has a latch at the other end. When the latch is passed through a lock and is engaged in a receiver in the seal, the strap is locked in place and the power to the timepiece is interrupted providing an indication of the time and date on which the lock was sealed. Other information may be applied to the seal at the time of sealing such as the identification of the individual responsible for the sealing.

Abstract: A security system for a shipping container includes a cover and seal pin, and a special removal tool for removing the pin from the cover. The cover includes a vertical channel with top and bottom plates mounted therein to form a rearwardly opening box. A pair of vertically aligned apertures in the top and bottom plates are aligned with apertures in ears of a hasp on the shipping container, and receive the seal pin to secure the cover to the container. A seal pin includes an elongated shaft with annular grooves in the upper and lower ends. A pair of end caps each includes an annular groove on their interior surfaces that correspond with the shaft grooves to retain a locking ring within the pair of aligned grooves, when the caps are snapped on the ends of the shaft. The locking rings prevent removal of the caps, once snapped into place on the shaft. A removal tool includes a hydraulic pump with a punch secured to a piston of the pump.

Abstract: A two way open-end zipper formed of two zipper tapes, left and right top stops, a plug pin and a fixed pin and two slides is disclosed in which the fixed pin has a first upright sidewall, a second upright sidewall, a longitudinal sliding way defined between the first and second upright sidewalls for the passing of the slides during installation of the slides, and a springy hook projected from the first upright side wall into the longitudinal sliding way and adapted to stop the slides in place when the slides moved downwards along the zipper tapes to the lower limit position.

Abstract: A sealing assembly designed to co-operate with a screw provided with a tightening slot by being mounted therein in such a manner that once said assembly is sealed the tightening slot is hidden in a manner that is not reversible except by destroying the seal, and further comprising a breakable drive suitable when the sealing assembly is subjected to a tightening action, for driving the screw in a tightening direction inside a receptacle provided for this purpose and for breaking once the screw becomes blocked, so as to prevent any loosening action being applied via the breakable drive.

Abstract: A rotary lock seal includes a pin with an elongated shaft and an enlarged head at a rearward end. The forward end of the shaft has a peg projecting coaxially therefrom. An end cap has an enlarged head at a forward end and a central bore extending forwardly through the rearward end, forming an annular sidewall. An annular groove on the inner surface of the cap sidewall corresponds with a groove formed on the peg to retain a locking ring within the pair of aligned grooves when the cap is positioned over the peg on the pin. The locking ring prevents removal of the cap once secured on the pin.

Abstract: Security seals (1) are used to indicate that a closed container has remained closed throughout a journey or during transport to show that its contents have not been tampered with. Once fixed such seals can only be removed by destroying them. A padlock-type security seal (1) includes a recess (10) in its body (2) accessible from the front face which houses a locking collet (11). The collet (11) , in use, locks the leading end (4) of the hasp (3) of the seal (1) into the body (2). A cap (12) is welded onto the body (2) to close the recess (10) and seal the collet (11) into the body (2). Preferably, the body (2) of the padlock-type seal is chosen to be a colour which will give a good contrast with a barcode (14) applied to it. The colour of the cap (12) can vary from that of the body (2) to enable an audit trail of the seals (1).

Abstract: A new and improved bolt seal which provides an elongated tube or an elongated bolt, having one or more ribs or grooves thereon for engaging a lock body, and a lock body which may be slid onto the end of the bolt to engage the ribs or grooves of the bolt. The lock body has a spring clip or a lock ring therein which when positioned in a locked position engages the ribs or grooves of the bolt in a non-removable manner.

Abstract: A bolt seal provides a slidable sleeve surrounding a solid bolt body having a bolt head affixed at one end. The sleeve is held in abutting contact with the bolt head at one end of the sleeve and a shoulder comprising an enlarged diameter portion of the solid bolt body at the other end of the sleeve. The bolt head can therefore be pressed snug against a seal housing, thereby eliminating a mode of jimmying the seal, while simultaneously providing a means for opening the seal with bolt cutters when the seal must be opened.

Abstract: A tamper resistant security device, a removal tool, and methods of engaging and disengaging the tamper resistant security device are provided. The tamper resistant security device includes a locking pin including a head, a shaft, and a groove, a locking cap comprising a blind hole, a groove formed inside and substantially coaxial with the blind hole, and a snap ring fitting within the groove and further capable of snapping into the groove of the locking pin. A protective cover includes a closure device cavity, a locking pin hole extending through the protective cover, a locking cap cavity, and an alignment hole. During assembly, the protective cover is placed over the closure device, the locking pin passes through the locking pin hole, and the locking cap is placed in the locking cap cavity and the snap ring of the locking cap is retained in the locking groove of the locking pin.

Abstract: A locking device is disclosed for interlocking two members having aligned openings extending therethrough. The device includes a hollow cap and a pin with an enlarged head at one end and a nose at the opposite end. The pin is insertable through the aligned openings of the members, with its nose received in interlocked engagement within the cap, and with the two members captured between the cap and the enlarged head of the pin. A frangible portion of the pin is severable in response to relative rotation between its nose and enlarged head to thereby destructively disassemble the locking device.

Abstract: A locking ring includes an annular ring portions with a U-shaped cross section. The locking ring serves to retain an electric meter in its meter socket in a manner which is well known. Both ends of the ring portion terminate in front housings, each housing having an axial lock receiving aperture therethrough. The locking ring further includes a free floating rear housing with two lock receiving apertures therethrough. When the ring ends are brought together, the front housings slide over the rear housing until their lock receiving apertures are in axial alignment. A barrel lock can then be inserted into each of the two sets of aligned apertures, to secure the locking ring against opening. When a barrel lock is removed from either set of apertures, the ring can be opened and removed from the meter.

Abstract: A seal-locking mechanism is intended for seal-locking of railway wagons and containers and other objects such as, for example, warehouses, depots, shops, tanks, hatches and automobiles.The seal-locking mechanism comprises a body 1, a locking element 3 having unilaterally beveled serrations 6 contacting, when locking, with respective serrations made on separate fixing elements 7 located in the body 1 over conical surfaces and spring-loaded with respect to said body. The seal-locking mechanism may be provided with a cap 13 which, when locating on the body 1, results in the formation of a single cylindrical surface of the seal-locking mechanism. The locking element 3 is made i nthe form of a cylindrical rod having a head 4 in close proximity to which, on a its lateral surface, there is provided a ring-shaped boring 11. A required information is applied to the face of the head 4 of the locking element 3.

Abstract: A locking ring includes two semi-annular ring portions with a U-shaped cross section. The locking ring serves to retain an electric meter in its meter socket in a manner which is well known. Both ends of each ring portion terminate in housings, each housing having an axial lock receiving aperture therethrough. When the ring halves are brought together to form a complete circle, the clockwise-most and counter-clockwise-most housings slide over each other until their lock receiving apertures are in axial alignment. A barrel lock can then be inserted into each of the two sets of aligned apertures, to secure the locking ring against opening. When a barrel lock is removed from either set of apertures, the ring can be opened at that location and removed from the meter.

Abstract: A plurality of walls form a housing cavity in which a latch hasp is received. An opening in the housing receives therethrough the latch hasp, the latch enclosing the cavity. The bolt seal has a shank with a head at one end or with a U-shaped bight in a second embodiment. The head engages a housing wall and a locking body engages and locks to the shank at a shank end distal the head. The shank between the head and lock body is fully enclosed by the housing and latch to preclude access to the shank by tampering tools. In a second embodiment, the shank bight engages the received hasp of a latch. The shank distal the bight is locked to the housing by a locking body. The latch depends into and encloses the housing cavity open at the top. The shank between the bight and the locking body is fully enclosed in the cavity. Different housings are disclosed wherein the head may be enclosed or exposed for access by a shank breaking tool. A reusable bolt and locking body is disclosed for use with several embodiments.

Abstract: A tamper evident, cargo container door lock structured to be used on a cargo container of the type having a pair of doors secured in a closed orientation by a closure assembly of the type including a lock rod and an actuation handle connected to the lock rod to facilitate pivotal movement of the lock rod and permit slided movement thereof to release the door from the closed orientation, the door lock including a primary shroud assembly formed of a substantially strong, cut resistant metal and structured to cover and shield from external access a connection joint between the actuation handle and the lock rod of the closure assembly, thereby preventing access to the connection joint without cutting or removing the primary shroud assembly.

Abstract: The present invention provides a container door lock pin which includes a bolt and a nut, which can lock a container door by simply pushing the bolt into the nut without needing to screw it in, and which makes it possible to visually confirm locking. The bolt has a head at its rear end and a shank. The shank has an annular groove formed in its periphery at the first position spaced from the bolt front end by a first distance. A ring spring is fitted in the groove. The nut has a bore for slidable engagement with the shank. The bore has a first annular groove formed near the nut front end. An elastic rigid confirmation seal plate is fitted in the first groove. The bore includes a cylindrical portion, which extends between the first groove and the second position spaced rearward from the first groove by a second distance, and a conical portion, which extends between the second position and the nut rear end.

Abstract: A steel bolt has weakening grooves at one end to which a head is swaged, the head having two frusto-conical portions at opposite ends. One end has a frusto-conical step for receiving a pair of jaws of a bolt breaking tool. A resilient spacer is attached to the bolt next to the head for limiting the depth of entry of the bolt head into a hasp hole, to provide access clearance for the tool and to permit the bolt to tilt to assist in breaking the bolt. The spacer is received in one hasp hole smaller in diameter than a second hasp hole to limit the depth of insertion of the spacer and the bolt head tapered end portion into the hasp. A seal with a conventional locking mechanism has a frusto-conical end region which partially engages the other hasp hole. The bolt and seal cooperate to lock the seal axially at different positions so the seal is engaged with one hasp hole and the bolt head engaged with the other hasp hole.

Abstract: A lock body through bore receives a steel bolt with an array of annular grooves. A locking mechanism secured in the bore has an annular array of locking jaws normally biased engaged with an inserted bolt groove. A jaw spreader has a conical surface for spreading the jaws radially outwardly to disengage the bolt. A locking member normally is radially outwardly of the jaws to preclude such spreading. A spring with a high spring constant, e.g., 300 pound load, axially biases the locking member in the jaw locking position. The spreader and locking member define a locking jaw conical path for radially outwardly releasing the jaws during bolt insertion and for locking the jaws in the opposite bolt withdrawal direction.

Abstract: A serpentine shaped wire clip is disposed in a tapered bore of a housing for axial displacement in the bore and has in a preferred embodiment three U-shaped loops interconnected by end portions. The clip has a bore dimensioned for receiving a cable or rod in radial resilient compressive engagement along the clip entire length which engagement causes the clip to axial displace with the displacement of the cable or rod. The axial displacement of the clip in the tapered bore wedges the clip to the housing and cable or rod locking the elements. The clip may have any number of loops and wire diameter. Also, the housing may have a cylindrical bore and the tapered region may be formed on a rod or bar. The clip may be locked to smooth and grooved surfaces including threads. The housing and rod each have a different one of a cylindrical surface and tapered surface. The clip radially grips the cylindrical surface while wedging in response to relative displacement of the tapered surface to the cylindrical surface.

Abstract: An improved auxiliary lock for closing and fastening a movable part to a stationary part using a key is described. The device comprises a bolt assembly comprising an inner cylinder having a key hole and an outer cylinder encircling the inner cylinder, a first re-entrant engagement member to be fixed to the movable part and a second re-entrant engagement member to be fixed to the stationary part. The first and second re-entrant engagement members have holes made therein to be put in alignment when these re-entrant members are nested together with one projection of each engagement member inserted in the indentation of the counter engagement member. The bolt assembly is inserted in the through holes of these re-entrant engagement members when nested, thereby locking the movable part to the stationary part.

Abstract: A locking ring includes an annular split ring portion with a U-shaped cross section and resiliently separable end portions, with each end formed into an L-shaped wall portion terminating in a serration. When the ends of the locking ring are brought together, the serrations intermesh, and the wall portions form a rectangular enclosure. Substantially solid front and rear housings portions, each containing a hole for receiving a barrel lock and an external groove, fit into the enclosure. The rear housing portion is attached to one wall portion, with its external groove fitting over the rear lip of the U-shaped cross section of the enclosure. The front housing portion is attached to the other wall portion, with its groove fitting over the front lip. When the locking ring is closed, the front housing portion slides over the rear housing portion until the lock receiving holes align. The locking ring also includes a replaceable seal retainer.

Abstract: A barrel lock includes a cylindrical plug with a locking ball actuated by a positive acting threaded pin that is screwed into the plug. The plug slips into a mating cylindrical retainer and is locked in place by the pin forcing the ball to protrude beyond tile exterior of the cylindrical plug. An anti-rotation coupling that includes a key attaches to the plug which makes the barrel lock especially easy to install and operate. A threaded puller assures separation of the plug and retainer even when the barrel lock may be jammed due to earlier tampering. The simplicity of the invention provides for a rugged construction with positive sealing surfaces that protect against contaminants and corrosion.

Abstract: Mounting assemblies for filter cartridges include a sealing bolt having a threaded shank portion for being threadably engaged with one (upper) end of an interior apertured filter cartridge support post. A head portion of the bolt allows it to be turned manually by a suitable tool to assist in threadably interconnecting the shank and post. The other (lower) end of the support post is rigidly connected (e.g., via welding) to a lower external sealing cup-flange which sealingly bears against a lower end gasket associated with the filter cartridge. The sealing bolt is further provided with an upper sealing cup-flange positioned concentrically around the shank portion immediately below the head portion of the sealing bolt. An O-ring seal is embedded in the lower surface of the head portion so as to sealingly bear against the upper sealing cup-flange when the sealing bolt is threadably tightened with respect to the support post.

Abstract: A self locking reusable rod seal includes a case hardened stamped frustro-conical member comprising a C-shaped section from which two like opposing arcuate segments are cantilevered. The member is located and secured for axial displacement in a frustro-conical bore of a case hardened steel housing. The segments have axially spaced ridges, the end most ones of which grip a rod in the bore thereof, the rod axially displacing the member when the rod is displaced in opposite directions relative to the housing. The rod has circumferential axially spaced grooves. The member ridges engage the grooves so as to be pulled by the axial displacement of the rod. The ridges and grooves are resiliently engaged and when the member is displaced toward one end of the housing bore, the ridges disengage and when the member is displaced toward the other end of the bore, the ridges are wedged against the rod grooves.

Abstract: A progressively set of more costly and higher level keyless locking devices secure an electric utility meter. A first low level and low cost keyless device includes a female member with spaced resilient legs which compressively converge when inserted in a plate hole and then naturally diverge to a normal state. A male locking member is inserted between the legs to lock the legs in the plate hole. A seal secures this arrangement. In a further embodiment, a female locking body is attached to a first end of a clamp ring. A second apertured ring end is inserted through the first ring end into the body. A keyless thermoplastic locking device of a first level is inserted into the body for securing the ring ends. A seal secures this arrangement. Other embodiments are disclosed including an all metal locking body used with a thermoplastic keyless male member for providing a higher security level and higher cost.

Abstract: A device for locking a container attached to two leaves of a container door. The device consists of two pieces, one attached to each leaf of the door. A locking bar is inserted through a set of rings, attached to the two pieces, that align when the container doors are closed. A feature of the device allows the relative adjustment of the rings. In one embodiment, a separate metal plate replaces one of the rings and secures the control levers of the vertical bars of the container.

Abstract: A locking assembly adapted for locking first and second members together, the assembly including a housing member and a stud member, the housing member being adapted to receive the stud member and permanently lock the stud member in the housing member, the assembly including a frangible portion, such that a part of the assembly is adapted to be broken away from a remainder of the assembly to permit removal of the assembly from the first and second members.

Abstract: A door locking device for preventing an opening of a hinged door. The locking device of the present invention includes a door jamb restraint independent of the conventional striker plate and secured to a door facing surface of the door jamb. In one embodiment, a main plate is provided independent of the door handle for engagement with the door jamb restraint. The main plate includes a central plate portion in engagement with the door jamb restraint, a first wing fixed on one side of the central plate portion for engagement with the interior room wall, and a second wing portion fixed on the opposing side of the central plate portion for engagement with the door, thereby preventing rotation of the main plate with respect to the door jamb restraint and thus preventing opening of the door. The device of the present invention is relatively inexpensive and does not operate in conjunction with the door handle or a conventional door jamb striker plate for increased versatility and ease of installation.

Abstract: A tamper-indicating seal of the type having a bolt retained in a lock body, wherein the lock body is surrounded by a shroud of frangible, brittle material and provided with a grooved outer surface and flanged entrance way for receiving and surrounding the bolt end, whereby the shroud is easily fractured, thus providing visual indication of tampering. Visual detection of tampering may be enhanced by a coating applied to the outer surface of the shroud. A surface feature on the between its point of entry into the lock body and its point of entry into the flange is in interfering relationship with a surface feature within the flange, so that an attempted removal of the lock body from the shroud is indicated by cracking, chipping, or fracturing of the flange or the shroud.

Abstract: Protector apparatus for a hasp of a shipping container of the type having a pair of alignable hasp apertures includes a metal box-shaped body having a top plate, a bottom plate, right and left side plates, an open rear face, and a front face. The apparatus further includes a shield plate on the face of the body extending transversely between the side plates and forming a top opening in the face between the shield plate and the top plate and forming a bottom opening between the shield plate and the bottom plate. A shield aperture in the shielf plate is alignable with the hasp apertures, through all of which apertures a breakaway seal may be threaded for securing the breakaway security seal to the hasp and to the body of the protector. The body supports itself on the hasp and protects the hasp from intentional breakage.

Abstract: Tamper proof service bolts for sealing boxcars, automobile hoods, gates and other enclosures, as well as gas and electric meters, railroad switches and the like. In a first preferred embodiment the tamper proof service bolts are characterized by special head service bolts, each having a base member and a collar secured to the base member by means of a connecting bolt having a specialized head recess for receiving a corresponding tool which is required for removing the connecting bolt and the collar from the base member. In another preferred embodiment of the invention retainer clip service bolts are provided, wherein a retainer clip is adapted to mount on each base member and in the collar when the collar is fitted over the base member, to secure the collar on the base member.

Abstract: A tamper-indicating seal of the type having a bolt retained in a lock body, wherein the lock body is surrounded by a shroud of frangible, brittle material and provided with a grooved outer surface and flanged entrance way for receiving and surrounding the bolt end, whereby the shroud is easily fractured, thus providing visual indication of tampering. Visual detection of tampering may be enhanced by a coating applied to the outer surface of the shroud.

Abstract: The invention concerns a fastener for locking the closures of containers, particularly ammunition containers. A container and a closure each have ring means which form coaxially aligned bores when the container is fully closed. The fastener comprises an upper and lower body, each of which is provided with a projection means. The projection means attached to the lower body is dimensioned to be pushed through the bore formed by the aligned rings in a first direction, but is prevented from being removed from the bore in a second opposite direction. When it is required to open the container, the fastener is pulled with a force in excess of 5 lbs. and the projection means attached to the lower body is torn from the fastener. The lower body of the fastener is moulded in a collapsed form for subsequent assembly. The fastener can be quickly and conveniently applied and removed from containers without the use of tools.

Abstract: Engagement lock comprising two members (1 and 2) which can be interlocked after they are passed through the locking rings (3, 4) of a container. The first member (1) is rod-shaped and has a head (5) which cannot pass through the locking rings (3, 4). Opposite the head it has an insertion end (6) of metal. The lock cannot be broken by bending the rod-shaped body from side to side because this body has a core of steel wire (12) whose elongation extends into the head. The elongation of the steel wire (12) is embedded in polyacetal which also forms the head (5), and the layer of polyacetal around the steel wire (12) has one or more annular grooves (14) in which it can break by bending the rod-shaped body.

Abstract: The present invention provides a heavy duty seal for hasps and latches in combination with a light duty tamper-indicating seal, which extends through the heavy duty seal for indicating tampering or breaking of the heavy duty seal. A sheathed bundle of optical fibers extends through aligned bores in parts of a heavy duty bolt type seal. End portions of the bundle are locked in a locking block and terminal ends of the fibers are exposed in surfaces of the block for observation and indications of light transmittal.

Abstract: Locks securely close a commercial electric power meter box at the front of the meter box where it is visible by a meter reader. One version of the lock readily indicates unauthorized entry into the meter box by extending the seal to the front of the box. Another version of the lock requires a special tool to remove the lock in addition to extending the seal to the front of the box. Yet another version of the lock is equipped with a fully enclosed and protected cylinder lock, which cannot be opened without a special tool and a key even if the seal is broken. All of the locks can be easily installed on existing commercial meter box installations.

Abstract: A seal lock for use on the access doors of freight cars, trailer trucks and cargo containers or other applications requiring a one time use disposable locking device. In the preferred embodiment a C shaped locking body (10) having a locking mechanism within its upper leg member (14) and a blind hole within its lower leg member (16) and a locking pin (30) with its first end temporarily held in place by the locking mechanism within the upper leg member (14). The seal lock is positioned over the hasp and the locking pin is pushed with sufficient force to overcome the temporarily held position and is pushed through the aperture of the hasp until the first end of the locking pin (30) fully engages and is secured and supported by the blind hole within the lower leg member (16), while simultaneously the opposite end of the locking pin (30) permanently engages the locking mechanism within the upper leg member thereby securing the seal lock in place by means of a single engagement permanently secured locking means.

Abstract: A seal lock for use on the access doors of freight cars, trailer trucks and cargo containers or other applications requiring a one time use disposable locking device. In the preferred embodiment a C shaped locking body (10) having locking mechanisms within its upper leg member (14) and lower leg member (16) and a locking pin (30) with its first end temporarily held in place by the locking mechanism within the upper leg member (14). The seal lock is positioned over the hasp and the locking pin is pushed with sufficient force to overcoming its temporarily held position and is pushed through the aperture of the hasp until the first end of the locking pin (30) permanently engages the locking mechanism within the lower leg member (16) while simultaneously the opposite end of the locking pin (30) permanently engages the locking mechanism within the upper leg member thereby securing the seal lock in place by means of a double engagement permanently secured locking means.

Abstract: A locking device for a meter socket includes a barrel lock receptacle carring a backing plate and snapped into assembly with the meter socket through an aperture in a wall of the socket. A barrel lock received within a bore in the lock receptacle secures one leg of an L-shaped locking bar adjacent the wall of the meter socket. The other leg of the locking bar overlies the meter socket cover and retains the cover in closed position.

Abstract: Splices between conductors in of an aerial telephone cable are covered by a closure located within a terminal. The closure has a large central section connected via tapered joints to two end sections. A settable liquid encapsulant is received in the central section. The closure has two halves joined by a flexible hinge that runs lengthwise along a first longitudinal edge. Two rigid tabs of nonuniform thickness running lengthwise along a second longitudinal edge are secured by snaps through apertures in the tabs. The snaps have tapered sections that clamp the varying thickness rigid tabs along their lengths to prevent leakage of liquid encapsulant. The end sections have open cell foam strips fitting snugly between the cable and the end section walls which are fixed with the liquid encapsulant. The encapsulant sets within the open cell foam to form a barrier to passage of contaminants into the central section.

Abstract: Locking seal including a rod which is spring-locked within a lock body includes channel structure within the lock body and in the rod surface to preclude removal of the rod even during relative rotation between the rod and the lock body.

Abstract: A snap lock assembly that comprises a bolt or a cable which can be extended through hasps and which has a locking portion formed with a plurality of parallel spaced grooves that are receivable in a cylindrical member that has a plurality of snap rings spaced therein at distances which correspond to the distance between the grooves so that the seal can be locked in a number of positions as the bolt is moved into the cylindrical member, but the bolt cannot be removed from the cylindrical member due to the camming action of the cylindrical member on the plurality of snap rings in the grooves.

Abstract: A bolt lock, for receiving and locking the end of a bolt having a head portion with a locking shoulder, said lock comprising a housing having internal jaws forming a central aperture, said jaws being expansible to allow the head of the bolt to snap through the opening so the the bolt shoulder latches behind the jaws. The jaws are retained in the housing above an aperture in the body which receives the inserted bolt head and below a bolt aperture in the upper portion of the housing, so that when the bolt is assembled, axial movement thereof causes the edges of the apertures to contact the internal jaws around and in spaced relation to the central aperture thereof. The jaws have upper and lower surfaces which are slightly inclined toward each other in relation to the axis of the central opening from the central aperture to the periphery of the jaws.

Abstract: A tamper deterrent assembly is provided for locking a unit having an outer wall which defines an open ended receiving space and which includes opposed openings. A closure unit formed of frangible material is dimensioned to close the open end of the receiving space and is provided with a locking strip engaging section which projects from one surface thereof. A locking strip of material which is more flexible than that forming the closure unit extends through the opposed openings and engages the locking strip engaging section.

Abstract: A lock slidable in one direction over a cable, while locking against motion in the opposite direction over the cable. The lock includes a lock body having an axial opening with the cable receivable therethrough, the body further defining three slots radiating outwardly from the opening with each of the slots having an outer wall tapered in the same direction. A disk is provided in each of the slots and is biased toward the direction of the taper of the slot outer wall. The outer periphery of each of the disks is beveled and/or has threads winding around the periphery.

Abstract: A seal mechanism for joining two bracket members on a shipping container comprising a male member and a female member cooperating with said male member to prevent retrograde motion once the male member and female member are assembled. The female member includes locking means of different internal diameter cooperating with the male member to permit the male member to move in one direction, but precluding retrograde motion.