Abstract: A security device is disclosed to include a processor defined to control operation of the security device. The security device also includes a radio defined in electrical communication with the processor. The security device also includes a location determination device defined in electrical communication with the processor. The processor, radio, and location determination device are defined to operate collaboratively to provide a wireless tracking and communication system. The security device also includes a shackle and a locking mechanism. The locking mechanism is defined in electrical communication with the processor. The processor is defined to operate the locking mechanism to control locking and unlocking of the shackle based on information obtained through the wireless tracking and communication system.

Abstract: A lock mechanism for sealing a goods compartment has a housing (10) supporting a shackle (62) movable between open and closed positions to permit hoops on the ends of an elongate sealing member (44) to be connected thereto and then held thereby. The shackle (62) is retained in its closed position by a spying loaded push-button (32) and also by an auxiliary lock (64) including an electric actuator (71) controlled by a control unit (15). The housing (10) has a display device (17, 18, 19) to indicate the lacking condition and sealing of the mechanism and also has a proximity card reader adapted to read information from a presented smartcard, operation of the auxiliary lock (64) being controlled by presentation of an appropriate smartcard.

Abstract: A padlock comprises a lock body including at least one passage defined therein. A shackle is displaceable between open and secured positions. The shackle has at least one leg which is slideable within the at least one passage and which includes a notch. A locking member is accommodated within the lock body and is displaceable between unlocked and locked positions. The locking member is preloaded towards the locked position to engage the notch to inhibit movement of the shackle from the secured position into the open position. One of the at least one passage and the at least one leg defines at least one recess. The other one of the at least one passage and the at least one leg defines at least one projection that extends into the at least one recess.

Abstract: A lock includes a housing, a locking mechanism and an indicator. The locking mechanism is disposed in the housing and includes a first module and a second module both configured to lock or unlock the lock. The indicator is able to move from an original position to an indicative position outside the housing in response to operation of the first module. However, when being located in the indicative position, the indicator is unresponsive to the operation of the first module.

Abstract: A lock for luggage, sports gear or any type of travel enclosure which can be operated by a key, combination or both, which has at least one removable shackle. The lock has one shackle that secures the lock to the luggage or luggage handle while the other shackle secures the luggage closure or zipper. An addition shackle is provided for the purpose of re-closing the luggage after the luggage is inspected by an international airport security agent. If the luggage is inspected, the inspector simply cuts the zipper shackle and re-secures the luggage using the additional or third shackle. A disposable shackle system allows the customer to replace the cut shackle and return the lock to its original condition for reuse.

Abstract: A padlock comprising a lock body, a plurality of shackles extending from the lock body and a locking mechanism. Each shackle is moveable between a closed position and an open position. The locking mechanism is engageable with each of the shackles such that operation of the locking mechanism with an access control means is required to move any shackle in the closed position to the open position. Severing one of the shackles in the closed position results in one of the other shackles being in the open position and free to move to the closed position.

Abstract: A combined bicycle pedal and lock and a method for its use, which is an integral part of a bicycle and serves both as an ordinary bicycle pedal and as a means of locking the bicycle to an object which is not a part of the bicycle. The combined bicycle pedal and lock includes a pedal shaft, several main components, which carry the majority of the load applied to the pedal when riding the bicycle, a complementary locking assembly, which has two modes, a folded mode when the combined bicycle pedal and lock is serving as a pedal, and mode that can be extended when the combined bicycle pedal and lock is serving to lock the bicycle to a suitable object, as well as a short pedal shaft, and a locking mechanism which is operated by means of a key, combination wheel, or any other suitable means.

Abstract: A device adapted to secure at least one securing member with a security link with a lock having a body and a shackle. The security link comprising a body with a surface and a hasp, the surface having a first and a second opening through the body, the hasp enabled to be captured by the shackle of the lock. The first opening enabled to secure the securing member when the lock is secured in the second opening. The securing member enabled to be removed from the security link when the lock is removed from the second opening. The shackle does not directly hold at least one securing member.

Abstract: A padlock includes a lock body, a shackle, a first locking unit and a second locking unit. The lock body includes a first compartment, a second compartment, a first lock hole in communication with the first compartment and a second lock hole in communication with the second compartment. The first locking unit is movable in the first compartment between a locking position for locking a first end of the shackle in the first lock hole and an unlocking position for allowing the first end of the shackle to be removed from the first lock hole. The second locking unit is movable in the second compartment between a locking position for locking a second end of the shackle in the second lock hole and an unlocking position for allowing the second end of the shackle to be removed from the second lock hole.

Abstract: A padlock has a shell, a lock cylinder, a shackle and a resilient element. The lock cylinder is mounted in the shell and has a lock rod. The shackle is mounted slidably through a front opening of the shell and has a distal end, a proximal end and a protruding segment. The distal end is selectively received in a mounting slot of the shell. The protruding segment selectively abuts the lock rod to keep the shackle from sliding. The resilient element is mounted in the shell and presses against the proximal end of the shackle. With the resilient element, the distal end of the shackle is maintained in the mounting slot without any external force. Therefore, the padlock may still hold an object in position without locking and then the user may take the object easily without using a key.

Abstract: A security device for a product for sale. The device includes a housing having a cable for engaging the product. A free end of the cable has a locking pin receivable within a bore in the housing. A locking mechanism is provided to lock the locking pin within the bore. The mechanism includes a slider and a clamping member. When the slider moves away from the clamping member, the locking pin is clamped in the bore. When the slider moves toward the clamping member, the member disengages the locking pin which may then be withdrawn from the bore. The locking mechanism further includes a magnetic spring clip that prevents the slider from being moved toward the clamping member. The spring clip is only deactivateable by a complementary magnetic key.

Abstract: A pulling chain storage device for a scrolling door machine is provided to tie the chain that can be pulled manually when the scrolling door machine is malfunctioned. The storage device includes a vertical fixing section at an end and a horizontal tying end at the other end, and the tying section includes at least one opening section, and the opening section includes an external end and an internal end, and the width of the opening section is tapered from the external end to the internal end, such that a pairs of suspending arms are formed between the internal end of the opening section and the hollow hole, so as to tie a chain to a flexible suspending arm and prevent the chain from being jammed in the storage device. The chain can be easily released even if the chain is jammed.

Abstract: A foldable lock structure includes an outer shell, an inner shell, a lock core, a lock case, a lock cover and a foldable lock rod set. The outer shell, the inner shell, and the lock core are all secured in the lock case and the lock cover. The lock core is secured in the inner shell. The lock case has a slidable anti-dust cover at the bottom thereof. The foldable lock set is connected to the outer shell and the lock cover in a rotatable manner.

Abstract: A lock includes a housing, a shackle, a controlling unit and a lock core. The shackle has a root section and a free section. The root section is disposed in the housing. The free section extends from the root section and is disposed outside the housing. The controlling unit is disposed in the housing and connected to the root section of the shackle. In particular, the controlling unit is capable of rotating about the root section and axially moving with the root section. Additionally, the lock core is disposed in the housing and is configured to control rotation of the controlling unit.

Abstract: The invention provides a padlock with a quickly changeable shackle, comprising a locking core, a locking member, blocking balls, a lock body on which two limb receiving chambers and a passage are disposed, and a shackle which takes U-shape defined by a longer and a shorter parallel limbs respectively received in the limb receiving chambers to lock the padlock. A ring groove with an abutment head is disposed at the free end of the longer limb, and a depressed portion with a screw hole is provided on the circumferential surface of the abutment head. A shackle changing screw is threaded into the screw hole and the end face of the screw in the threaded position is higher than the depressed portion and lower than the circumferential surface of the abutment head. The invention further provides a padlock having a freely-convertible deadlock mechanism.

Abstract: A multiple function lock comprising a body, an engaging element having a first end and a second end, a locking mechanism for securing the first end and the second end of the engaging element to the body, and a gate mechanism for selectively concealing or revealing a passage in the body through which the second end may move to unlock the lock. In certain embodiments, a multiple function lock may comprise a body, a U-shaped shackle having toe and heel portions, the heel portion rotatably secured within the body, a locking mechanism for locking the heel and the toe portions within the body, a passage through the body adjacent to the toe portion, the toe portion adapted to move through the passage to unlock the lock, and either a retaining cup, an adjustable gate, or an outer housing, each being adapted to selectively block or reveal the passage.

Abstract: A multiple function lock comprising an engaging element and a captive element. The engaging element enters a captive space provided in the captive element for locking the lock. The captive element includes a selectable passage into the captive space for permitting the engagement element to be selectively released or secured. The selectable passage is revealed or concealed through translation or rotation of a blocking element. In certain embodiments, the multiple function lock comprises a body, a shackle having toe and heel portions, a first locking mechanism for securing the heel portion to the body and a separate second locking mechanism for securing the toe portion to the body. The second locking mechanism is operative to engage and disengage the toe portion from the body so the shackle may rotate about the heel portion secured by the body.

Abstract: A hanging lock structure including a lock body and a lock hook. The lock body is formed with two lock holes. A numeral unlocking unit is disposed in the lock body corresponding to one of the lock holes. Each lock hole is composed of a larger insertion hole and a narrower slot communicating with the insertion hole. Two stop blocks are disposed in the lock body respectively corresponding to the lock holes. The lock hook has two free ends which are movable relative to each other. Each free end has an insertion head. The insertion heads of the free ends of the lock hook can be respectively inserted in the lock holes and controlled by the two unlocking units. When the stop blocks are such positioned as to block the insertion holes, the insertion heads are restricted within the slots to achieve a locking effect. Any of the numeral unlocking unit and the key-unlocking unit can drive any of the stop blocks to unblock any insertion hole so as to release any free end of the lock hook.

Abstract: A padlock comprises a shackle having a first end and a second end and an arm, the arm being extendable along an axis of the arm. The arm further includes a locking mechanism having an axle pivotally connected to the second end and a plurality of tumblers sleeved into the axle, in which the axle defines an inner channel; and a movable connection component having a head and a shaft connected to the head, and when the locking mechanism is in a first position, the head is attached to the first end and when the locking mechanism is in a second position, only the movable connection component is movable along the axis of the arm and the head is detached from the first end.

Abstract: A cable gunlock including a lock case with longitudinal bores receiving a fixed shackle and a movable shackle. The movable shackle includes a spring threaded on its end and abutting against the outer surface of the lock case providing an automatic release. A latching member is driven in and out of cooperation with the movable shackle by a locking mechanism and is urged towards the movable shackle by a spring. The latching member has an inverted U-shape and an inclined surface ending in an inwardly cut semircularly shaped edge.

Abstract: A multipurpose seal with a lock, including a mobile closure apparatus of a casing containing a lock and an attachment element designed to be locked in the casing. The lock includes a barrel configured to move in the casing between a locked position and an unlocked position. A remote-interrogatable electronic component including a data-storage is maintained in a housing, which passes through part of the casing and part of the lock barrel when the lock barrel is in the locked position. Thus, any rotation of the barrel from the locked position causes the component to break.

Abstract: An improved padlock and particular an improved small padlock that has a shackle adjustable to a desired length includes a lock body and a steel cable. The steel cable can run through the lock body to form a closed shackle. The lock body includes a casing, a dial assembly, two pushbuttons, two thrust members and two latch members. Locking and unlocking operations can be accomplished by depressing the pushbuttons. The latch members can engage with the steel cable to form a locking condition, or be moved away from the steel cable to form a unlocking condition so that the shackle range formed by the steel cable and the lock body can be adjusted to meet user's requirements. It overcomes the problem of the conventional padlocks that provide a shackle which is not adjustable and often does not have an adequate length.

Abstract: A lockout safety hasp is provided including a rotational shackle coupled to a top of a body having a U-shaped securing beam extending from the bottom thereof. A slidable cover is received on the body and is moveable between a closed position in which the rotatable shackle is locked in place and an open position in which the shackle is free to rotate. The securing beam is generally U-shaped and provides an opening sized and dimensioned to receive one or more padlocks, the padlocks preventing the cover from moving out of the closed position until all of the padlocks are removed. The components of the lockout safety hasp can be constructed of a plastic or a plastic polymer, and snap fit together to provide an inexpensive and easy to manufacture device.

Abstract: The locking device for electrical plugs includes a housing for receiving the prongs of at least one electrical plug therein. The distal end of a rod is pivotally secured to the inner face of a rear wall of the housing, with the rod being received by holes formed in the prongs of the electrical plug. A support is mounted to the front exterior face of the housing and has a channel formed in its upper surface. The front face further has an opening formed therethrough for receiving the proximal end of the rod, which is further releasably received within the channel. A lock is mounted to the support for selectively and releasably locking the rod within the channel, thusly releasably locking the prongs to the rod within the housing. The locking device allows the prongs of electrical plugs to be secured within the housing in order to prevent theft and, further, as a safety precaution.

Abstract: A chain keeper for retaining a chain operatively connected to a driving mechanism of a chain hoist system. The chain keeper has a support bracket and a pair of plates. The support bracket is mountable onto a fixed structure, and has a substantially vertical longitudinal axis, and opposite top and bottom sections. Each plate has top and bottom portions. The plates project from the support bracket and are slanted with respect to the longitudinal axis thereof. The plates converge towards one another towards the bottom section of the support bracket, a slot being defined between peripheral edges of the plates at the bottom section of the support bracket. The slot is shaped and sized to slidably and removably receive therein a segment of the chain for retaining the same from substantial vertical movement along the longitudinal axis of the support bracket.

Abstract: A locking device for use with an electrical plug having a pair of spaced prongs, each prong having an aperture spaced from its free end portion, the locking device including a body member, a pair of spaced apart arm members, and an elongated member extending between the pair of arm members. The transverse member is adapted for insertably receiving the apertures associated with the plug prongs, one of the arm members being pivotally movable between a first position wherein sufficient space is provided for engaging the plug apertures with the free end portion of the elongated member and a second position wherein the plug prongs cannot be disengaged from the elongated member.

Abstract: A lock with bendable shackle element openable in two ways mainly includes a main body, a bendable shackle element, a combination lock core, and a key lock core. The bendable shackle element has an end fixedly connected to the main body, and the other end movably held to a lock slot on the main body. Two ends of the lock slot are first and second locking holes respectively corresponding to the key lock core and the combination lock core, which control a blocking head and a shifting member, respectively, to block or open the two locking holes. The movable end of the bendable shackle element may be moved to one of the two locking holes to open the lock when the combination or the key lock core is released to move the shifting member or the blocking head away from a corresponding locking hole.

Abstract: A trailer lock comprises a rocket bolt, a lock body, and a chain couple. The inner side of the fixed end in the rocket bolt and one of the lock bodies individually has a mounting segment for matching a chain couple with a two-end mounting part and its connection. By the winch design of the chain, it can winch the carrying goods such as bicycle of the supporting base in the end of the car for achieving anti-theft purpose on carrying goods.

Abstract: A shackle lock includes a lock casing, a lock core received in the lock casing, and a shackle unit which has first and second shackle connecting members extendible into first and second shackle holes in the lock casing and a flexible shackle portion connected to the shackle connecting members at two opposite ends. The first shackle connecting member engages the lock core when the lock core is operated to be in a locking state, and is disengaged from the lock core when the lock core is operated to be in an unlocking state, thereby permitting removal thereof from the lock casing. The second shackle connecting member is provided with a spring-loaded retaining member for engaging the lock casing. The retaining member is accessible with the use of a tool inserted into the first shackle hole after removal of the first shackle connecting member, and is adapted to be actuated by the tool for disengaging from the lock casing in order to permit removal of the second shackle connecting member from the lock casing.

Abstract: In a tag device wherein a wire 2 has a base end 21 fixed to a tag body 10 and a forward end 23 connected to the tag body 10 as releasably locked thereto, the wire 2 is provided at its forward end 23 with a lock pin 22. The tag body 10 comprises a case 1 having a pin insertion hole 13, and a latch member 3 engageable with the lock pin 22. The latch member 3 comprises a main body 31 supported inside the case 1 and a spring piece 32 provided on the main body 31. The latch member 3 prevents the thick rod portion 26 from slipping off when moved in one direction to a limit position, and allows the thick rod portion 26 to slip off when moved in the other direction to a limit position.

Abstract: A lock that is tamper resistant and includes a lock member. Two tubes are disposed on the lock member. Each of the two tubes extend generally outwardly therefrom and each define a bore therethrough. The lock includes a closure member which has two shafts. The two shafts are inserted through the two tubes and detachable within the lock member when the lock is an installed configuration. A locking mechanism detachably locks the closure member to the lock member when the lock is in the installed configuration wherein the two tubes substantially cover the two shafts.

Abstract: An accessory component for a lock having a lock body capable of being detachably secured in closed loop to define a first bounded area. The accessory component includes a component body having first and second ends. The first end includes a first ring defining a first bore and second end includes a second ring defining a second bore. The accessory component is adapted to be positionable in an installed configuration in which the at least a portion of the lock body is located within the first and second bores such that the accessory component, in combination with the lock body, defines a second bounded area. The accessory component is adapted to secure an object within the second bounded area when the accessory component is in the installed configuration and the lock is detachably secured to form the closed loop.

Abstract: A curved shackle gunlock for rendering a gun inoperative from accidental or unauthorized use and for deterring theft. The unique shape of the shackle is critical and will fit most firearms, specifically an automatic rifle. The thickness of the shackle provides maximum protection against destruction and violation. The gunlock can be inserted in the opening of a handgun through the breach and magazine well, through the revolver frame, through the loading port of a shotgun, or through the magazine well of a specialty gun.

Abstract: A lock assembly includes a shackle having an engagement portion with a plurality of apertures therethrough. A lock housing has a first end having a first end opening, a second end having a second end opening and an open interior between the ends, at least one opening for receiving the engagement portion of the shackle and a blocking member can be attached to the lock housing. The lock body can include: an elongated lock member dimensioned to pass through at least one of the apertures in said engagement portion; a lock adapted for engagement to the lock member, the lock body being dimensioned to substantially fit within the lock housing, the lock having access structure accessible from either of the first and second ends of the lock housing, wherein the lock member may be passed through at least one alternative aperture of the plurality of apertures in the shackle.

Abstract: A security cover for a padlock used to lock a hasp or other similar structure comprises a housing having first, second and third openings. The openings provide limited access to the housing's interior region. When installed on a hasp, the shackle and a substantial portion of the hasp's eye extend through the second and third openings, respectively, and are contained within the housing for protection.

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 lock assembly includes an elongated generally U-shaped resilient shackle, a base block, and may also include a keyed auxiliary locking bar. A first shackle arm is slidably and rotatably secured to the base block so that the shackle can be moved between extended and depressed positions and pivoted between locked and unlocked positions. The base block includes a catch for retaining a second shackle arm in the locked position. To pivot the shackle so that the second shackle arm can be moved into or out of the catch, the second shackle arm must be flexed toward the first shackle arm. When the shackle is in the locked position, a locking mechanism holds the shackle in the extended position and requires the shackle to be depressed, while the second shackle arm is flexed, to pivot the shackle and move the second shackle arm out of the catch.

Abstract: The invention relates to an anti-theft device, especially for skis, comprised of a cable (3), a cable drum (2) specially connected to an end of the cable (11) in a fixed manner and a locking device (4) which contains at least one clamping element (12, 13) is provided for fixing the cable (3) which is inserted into the locking device (4). In addition, the clamping element interacts with the lock (8) in such a way that the clamping element (12, 13) releases the cable (3) when the lock (8) is opened and prevents the cable from being pulled out in a direction contrary to the direction of insertion when the lock is closed (8). The clamping (12, 13) is mounted such that it can rotate and be moved in the locking device (4). The clamping element interacts with the lock (8) via a pivoted lever (22, 23).

Abstract: A shackle lock includes a lock casing, a lock core received in the lock casing, and a shackle unit which has first and second shackle connecting members extendible into first and second shackle holes in the lock casing and a flexible shackle portion connected to the shackle connecting members at two opposite ends. The first shackle connecting member engages the lock core when the lock core is operated to a locking state, and is disengaged from the lock core when the lock core is operated to an unlocking state, thereby permitting removal thereof from the lock casing. The second shackle connecting member is provided with a spring-loaded retaining member for engaging the lock casing. The retaining member is accessible with the use of a tool inserted into the first shackle hole after removal of the first shackle connecting member, and is adapted to be actuated by the tool for disengaging from the lock casing in order to permit removal of the second shackle connecting member from the lock casing.

Abstract: Changing the locking mechanism in a U-lock, cable lock or other tie lock as often as desired is achieved without compromising the lock's resistance to physical damage. This function is achieved by an auxiliary sleeve that removably fits over the U-lock's crossbar or the cable lock's end bar. Either bar provides an aperture, which is too small to permit the locking mechanism to be picked or pried, but which is operatively positioned and sufficiently large to provide access for a key to the keyway of the locking mechanism.

Abstract: Padlocks adapted for one-handed operation are disclosed. Typically having a laterally asymmetric shackle, the lock includes an arm connected thereto so as to pivot when the locking mechanism is disengaged. A spring or other component facilitates latching of the device by biasing the arm toward an exposed end of the shackle.

Abstract: A device for locking a bicycle helmet to a bicycle, the helmet comprising a helmet shell (19) having a through-going hole (20). A lock case (4) is fixedly mounted on a frame rod (2), the frame rod being arranged to support the saddle (1) of the bicycle. A longitudinal locking element (11) at both ends has a lock head (10), the lock head (10) may be locked in the lock case. The locking element (11) is arranged to extend through the hole (20) of the helmet shell in order to have its lock head (10) locked in the lock case (4) and thus securing the helmet to the bicycle.

Abstract: A portable projection lock receiver (10) includes a shackle portion (12) adapted to fit through an opening (38) on the device to be secured. The shackle portion (12) of the projection lock receiver (10) has an open section (18) and a first opening (30) formed at one end. A closure member (14) associated with the shackle includes a second opening (28) which may be aligned with the first opening (30). In this aligned position, the closure member (14) closes the shackle open section (18) and the two aligned openings (28, 30) together form a projection lock receptacle. This projection lock receptacle is conformed to receive and retain a suitably sized projection portion of a projection lock.

Abstract: An apparatus for deterring theft of an electronic device, includes a lock having a housing and a retention member movably mounted in the housing for being moved between a locked position and an unlocked position. An elongated retaining member has a first end connected to the lock, and a second end connected to an anchoring member. A plurality of contacts are attached to the lock. A first one of the contacts is electrically isolated from a second one of the contacts. A continuity detection element is attached to the retaining member for detecting a discontinuity between the first and the second ends of the retaining member. The continuity detection element is electrically connected to the first and the second contacts.

Abstract: A lock assembly includes an elongated shackle having an engagement portion. A lock housing has an open interior and at least one opening for receiving a portion of a lock. The lock housing has at least one opening for receiving the engagement portion of the shackle. A lock member is dimensioned to fit within the open interior of the lock housing and to engage the engagement portion of the shackle. A lock body is adapted for engagement to an end of the lock member and is adapted to prevent the removal of the lock member from the engagement portion of the shackle. The lock and lock member are protected by the lock housing to substantially prevent unauthorized tampering.

Abstract: Changing the locking mechanism in a U-lock, cable lock or other tie lock as often as desired is achieved without compromising the lock's resistance to physical damage. This function is achieved by an auxiliary sleeve that removably fits over the U-lock's crossbar or the cable lock's end bar. Either bar provides an aperture, which is too small to permit the locking mechanism to be picked or pried, but which is operatively positioned and sufficiently large to provide access for a key to the keyway of the locking mechanism.

Abstract: Padlocks adapted for one-handed operation are disclosed. Typically having a laterally asymmetric shackle, the lock includes an arm connected thereto so as to pivot when the locking mechanism is disengaged. A spring or other component facilitates latching of the device by biasing the arm toward an exposed end of the shackle.

Abstract: A padlock includes a lock base having first and second shackle insert holes and a lock receiving space, a lock unit received in the lock receiving space, a shackle having a longer leg portion which is retained slidably and rotatably in the first shackle insert hole, and a shorter leg portion which is received removably in the second shackle insert hole, and a spring-loaded retaining unit mounted on the lock base and extending into the lock receiving space for engaging the lock unit so as to retain releasably the lock unit in the lock receiving space. The retaining unit is accessible by means of a tool which is inserted into the second shackle insert hole when the shorter leg portion of the shackle is removed from the second shackle insert hole, and is adapted to be actuated by the tool so as to disengage the lock unit in order to permit removal of the lock unit from the lock receiving space.

Abstract: A vehicle pedal lock comprises first and second members movable relative to one another and adapted for locking and unlocking engagement, and a lock assembly for locking the first and second members to one another. The first member has a shackle and at least one leg extending from the shackle. The shackle has an open end, a pair of generally parallel arms each having a terminal end, and a curved portion connecting the arms to one another. The second member has a tubular body lockable across the open end of the shackle, and at least two legs extending from the tubular body. The lock assembly comprises a pair of locking elements each provided at the terminal end of one of the arms of the shackle, a pair of openings each formed at an outer surface of the tubular body of the second member for receiving the locking element of one of the arms of the shackle, and a locking mechanism disposed in the tubular body of the second member for locking engagement with the locking elements of the arms of the shackle.

Abstract: An anti-theft device includes two groups of elements, each group being composed of a plurality of elements flexibly joined to each other by offset cylindrical joints; both of the groups are flexibly joined at one end to a central link, and are fitted with a disengageable fastener at the opposite end; when used, the opposite ends of the device are fastened to each other to form a closed loop round an object that is to be secured against theft; the fastener is designed to keep the device locked in its closed loop configuration so as to prevent unauthorized breaking of the loop; when not used, the device can be folded up into a neat, compact configuration in which the two groups of elements are folded up and arranged side by side.