Abstract: The present disclosure describes combination discus locks and associated methods. A lock device configured in accordance with a particular embodiment of the present disclosure includes a discus lock housing, a locking mechanism positioned in the lock housing, and a plurality of rotatable wheels operably coupled to the locking mechanism. The rotatable wheels can individually have a plurality of indicia used to display a combination. The locking mechanism can be configured to move from a locked configuration to an unlocked configuration when the combination is displayed. The lock device can further include a shackle and a slider actuator positioned on an outer surface of the lock housing. The slider actuator can be operably coupled to the shackle and to the locking mechanism, and can be configured to drive the shackle from a closed position to an open position when the locking mechanism is in the unlocked configuration.

Abstract: A dual function lock having a body, a shackle and a frangible element extending from the body is disclosed. The dual function lock also includes a first locking mechanism within the body wherein when the first locking mechanism is locked, the shackle is in a first position where the toe of the shackle is located within the frangible element so that the shackle cannot be rotated and wherein when the first locking mechanism is unlocked, the shackle can be lifted from the first position so that the toe of the shackle is not within the frangible element so that the shackle can be rotated. Methods of using the lock and a refillable insert of frangible elements are also disclosed.

Abstract: A padlock having an open indication function is provided. The padlock includes a first lock, a driving device, and an indication device. A portion of the driving device is movably disposed within a key hole of the first lock. The indication device moves in combination with the driving device. A bottom end of the indication device is connected to a top end of the driving device. In addition, the indication device is selectively disposed between a first position and a second position. When a key is inserted into the key hole of the first lock, the key pushes the driving device to force the indication device moving from the first position to the second position.

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: Method of making airline luggage inspection secure while accommodating the needs of the traveler comprises making a special lock available to airline travelers, the special lock having a combination lock portion and a master key lock, the master key lock portion receiving a master key that can open the master key lock portion of any special lock of this type. The special lock is designed to be applied to an individual piece of airline luggage and has indicia conveying to luggage purchasers that the special lock is “approved”by a luggage screening authority and conveying to the luggage screening authority that the special lock can be opened using the master key. The method includes providing the luggage screening authority directly or indirectly with exclusive access to the master key. The manufacturers and/or provider of the master key and special lock retain copies of the master key.

Abstract: A locking base for Anti-theft lock includes a socket, a locking member and two sliding portions. The socket is disposed in a main body and extends a portion out of the main body. The locking member has a locking hole, and the locking member can extend out of the portion of the socket. The two sliding portions are disposed on the socket and the locking member respectively. The two sliding portions are matched structurally to make the socket and locking member slide correspondingly.

Abstract: A padlock includes a lock body, shackle, locking mechanism and latch member. The latch member includes a laterally outermost shackle engaging portion that lockingly engages a recess in the shackle when the locking mechanism is in a locked condition and is disengageable from the recess when the locking mechanism is in an unlocked condition. The latch member is sized such that upward facing surfaces of the latch member that align with a circumferential edge of a shackle opening are limited to a notch laterally aligned with a laterally innermost portion of the circumferential edge when the shackle engaging portion is in a normal locking engagement with the recess.

Abstract: An electromechanical lock includes a lock body and a locking mechanism disposed in the lock body. The locking mechanism includes a blocker, first and second cams, and a motor. The blocker is movable between a locked position and an unlocked position. The first cam is rotatable about a first axis between a blocker obstructing position and a blocker clearance position. The second cam is rotatable about a second axis, spaced apart from the first axis, to move the first cam between the blocker obstructing position and the blocker clearance position. The motor is coupled to the second cam to rotate the second cam in response to an electrical authorization signal supplied to the motor.

Abstract: A padlock that can be unlocked by the owner of the padlock by dialing an unlocking number or by authorized security personals with a general key. The padlock mainly contains a lock body, a block, a shackle, a general locking device and a private locking device. The lock body has a first channel and a second channel therein. The block is engaged with the second channel. The block has a receptacle therein. The shackle has a longer arm slidably received in the first channel and a shorter arm engageable with the receptacle of the block. The general locking device is formed in the lock body for locking or unlocking the longer arm of the shackle. The private locking device is formed in the lock body for controlling movements of the block in order the block to be engaged with or disengaged from the shorter arm of the shackle.

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 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: This invention relates to a lock, which includes a housing and an indicative lock core. The indicative lock core is operable by a key to move to an indicative position and be stuck in the indicative position. The indicative lock core can move back to its original position only through a restore mechanism. When the key-operated lock core is in the indicative position, the key-operated lock core is partly situated outside the housing and is easily noticed.

Abstract: A self-scrambling combination includes a frame that supports at least two tumbler rings and an activating slide. The tumbler rings are marked with characters used for a combination for the lock. The lock is openable only when the tumbler rings are located in an open position related to the combination. The activating slide moves a locking bar between a locked position and an unlocked position. A scrambling mechanism is attached to the activating slide and rotates the tumbler rings from the open position to another position upon movement of the activating slide to move the locking bar from the unlocked position to the locked position. The frame can be used as the door of a lockbox and an attached key lock controls the setting of the combination for the lock. The self-scrambling combination lock can be used for a briefcase or valise lock with an additional spring closing the lock.

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 combination lock includes a lock body, a shackle axially moveable between a retracted position and an extended position, a locking mechanism, and a dial secured to the front side of the lock body. The locking mechanism is movable from a locked condition to an unlocked condition to permit movement of the shackle from the retracted position to the extended position. The dial includes an outer ring portion surrounding a stationary lock body face and rotatable with respect to the face, and a locking mechanism engaging portion disposed between the lock body face and the rear side of the lock body, wherein successive rotation of the dial to a series of one or more predetermined rotational positions causes the locking mechanism to move from the locked condition to the unlocked condition.

Abstract: The present disclosure describes combination discus locks and methods for using and making the combination discus lock assembly. The locks include a lock body at least partially containing a locking mechanism coupled to a plurality of engagement members with indicia disposed thereon, capable of displaying a combination. An actuator is coupled to the locking mechanism and to a locking member. The locking member is in a closed position, connected to the body, when the combination is not displayed and in an open position, at least partially disengaged from the lock body, when the combination is displayed. The actuator is manipulated to move the locking member from the closed position to the open position. The lock may also be resettable.

Abstract: A padlock includes a housing, a shackle having a pivoting portion pivotally passing through a first top hole of the housing into an accommodation chamber of the housing and a locking end passing through a second top hole of the housing, a retaining device disposed in the accommodation chamber and having at least two driving wheels for controlling an axial movement of the pivoting portion of the shackle, and at least two pointers located above a dial of the housing and respectively driven by the driving wheels to point to one of figures of the dial. When both of the pointers point to correct figures, the pivoting portion of the shackle is axially moveable relative to the housing under the control of the driving wheels, such that locking end of the shackle is moveable away from the second top hole of the housing to unlock the padlock.

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 lock assembly comprising a lock body, a shackle, and a locking member configured to selectively lock the shackle relative to the lock body. At least one combination dial is rotatable between various combination positions. The at least one combination dial is associated with the locking member and is configured such that entry of a given series of combination positions causes the locking member to unlock the shackle relative to the lock body. A sensor is configured to sense the rotational position of the al least one combination dial. A display screen is associated with the sensor and is configured to display a position indicia which corresponds to the rotational position of the at least one combination dial.

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: A padlock comprising a housing, a shackle, a lock mechanism and a movable block. The shackle is mounted on the housing and has a first end formed with a shaft portion movably mounted in the housing, and a second end formed with a locking portion moved with the shaft portion and extended outward from the housing. The lock mechanism is mounted on the housing, and includes a lock core and a limit knob. The lock core is mounted in the housing, and the limit knob is located outside the housing and movable by the lock core so as to engage or disengage with the locking portion of the shackle. The movable block is connected to the limit knob of the lock mechanism so that the movable block can be moved to an indication position by operating the lock core of the lock mechanism.

Abstract: By providing a single housing and shackle assembly constructed for enabling the shackle to be opened and/or closed using either a rotatable dial combination construction or a key activating tumbler construction, with the movement of the shackle being controlled by a trigger member, an effective, easily produced, padlock is achieved which incorporates two separate and independent locking systems formed in a single padlock. In addition, the trigger member and shackle each incorporate uniquely constructed, cooperating surfaces, each of which comprise a grooved zone or concave curved zone which is positioned directly adjacent a cooperating convexly curved zone. By employing these two curved surfaces on both the shackle and trigger member, the controlled pivotal movement of the shackle is realized.

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: By providing a padlock having a primary shackle and a secondary shackle which is easily employed whenever the primary shackle has been cut, an effective, easily produced, key operated or combination controlled padlock is achieved which enables the padlock to be quickly and easily opened for inspection by security personnel, while also enabling the padlock to be quickly relocked after inspection using a secondary locking shackle. In addition, the secondary locking shackle provides the user with notice that the padlock and suitcase had been opened by security personnel. In accordance with the present invention, the padlock incorporates a housing and a primary shackle which is constructed for being lockingly engaged with the housing, as well as dis-engaged from the housing whenever the padlock is opened.

Abstract: A lock and key mechanism comprising a sensor detecting friction between first and second nanostructured surfaces and a controller receiving output from the sensor and comparing same to stored values. Also a method for activating or deactivating a lock comprising providing a first nanostructured surface, causing a second nanostructured surface to frictionally interact with the first nanostructured surface, sensing the interaction with a sensor, the sensor producing an output signal, and via a controller comparing the sensor output signal to a reference signal.

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 dual-lock type padlock has a double reminding function includes a housing, a catch member, a shackle, a locking mechanism, and an indicator. The dual-lock type padlock is opened by either one of a key and a code. Thus, the indicator is movably mounted on an outer face of the housing or the catch member which is formed with a first mark and a second mark in the corresponding positions, so that the user can judge if the padlock has been unlocked by inspecting the position of the first mark or the second mark, and can also feel the position of the indicator by touching the indicator so as to judge if the padlock has been unlocked, thereby facilitating the blind people operating the padlock.

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 padlock includes a lock body, shackle, locking mechanism and latch member. The latch member includes a laterally outermost shackle engaging portion that lockingly engages a recess in the shackle when the locking mechanism is in a locked condition and is disengageable from the recess when the locking mechanism is in an unlocked condition. The latch member is sized such that upward facing surfaces of the latch member that align with a circumferential edge of a shackle opening are limited to a notch laterally aligned with a laterally innermost portion of the circumferential edge when the shackle engaging portion is in a normal locking engagement with the recess.

Abstract: A key lock structure arranged in a mechanical key lock device refusing any code pressing while locked, so as to avoid finding out the correct codes by try and error. The key lock structure includes a casing, a sliding base disposed in the casing, an orientation frame arranged on a bottom face of the sliding base and a plurality of code-locked keystroke bodies. The sliding base has a plurality of elongation arms parallel to one another, a plurality of slots arranged with the elongation arms in an alternate manner, and a plurality of stop portions disposed in the respective slots. The orientation frame is disposed under the sliding base. Each of the code-locked keystroke bodies has a sliding member, which has an extrusion portion capable of being blocked by the respective stop portion. Consequently, the code-locked keystroke bodies are fixed and cannot be pressed in the lock status.

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: By providing two separate and independent locking systems formed in a single padlock, with both locking systems independently enabling a single shackle latching member to be controllably activated for allowing the single shackle to be released and/or lockingly engaged, an effective, easily produced, multi-purpose padlock is achieved. In the preferred embodiment, a single housing and shackle assembly are employed and constructed for enabling the shackle to be released from locked engagement with the shackle latching member by using either a rotatable dial combination construction or a key activating tumbler construction. In this way, a dual locking and releasing padlock is achieved which virtually eliminates the difficulties typically encountered with known, prior art lock configurations.

Abstract: A self assemblage combination lock comprising one set or multiple sets of combination ring consists of a combination lock with one set or multiple sets of locking device. Its locking device has dual function of locking. The main function is to lock something and the other function is to lock itself and it is locked. It is disassemble and reassemble by its user. User can disassemble it and changes the sequence of combination rings or replaces the existing combination ring with his/her favorite combination with letters of alphabet or number. The self assemblage combination lock comprising one set or multiple sets of combination ring locks itself when the lock is locked and unlock itself when the lock is unlocked. Therefore it is disassemble and reassemble.

Abstract: A dual padlock of the present invention includes a housing, a shackle, a locking device, a locking spring, a transmission device, a key lock assembly, a code lock assembly, and a button member. The shackle is openably provided on the housing. The locking device is received in the chamber of the housing and engaged with the shackle. The key lock assembly includes a key cylinder connected to the transmission device and the locking device. The button member is connected to a shaft of the code lock assembly and the lock device. Therefore, user may insert a key into the key lock assembly and turns to unlock the padlock. User also may input the right code to the code lock assembly that will unlock the pad lock too.

Abstract: A combination padlock has a base, a cover, a lock core assembly and a shackle. The base has a key chamber and a shackle mount. The cover is slidably mounted pivotally on the base to cover the chamber and has a shackle mount. The shackle mount of the cover selectively cooperates with the shackle mount of the base to form a locking recess. The lock core assembly is a combination lock core and is mounted in the base. The shackle combines with the lock core assembly to provide the combination padlock a locking capability and is mounted in the locking recess to prevent the cover sliding relative to the base. Consequently, a user can lock their keys in the chamber and lock the padlock in a preferred place so need not carry the keys everywhere.

Abstract: A combination lock includes a locking mechanism, a code identifying member, and a plurality of user rotatable dials, with a recess disposed on an outer periphery of each dial. The locking mechanism includes a plurality of dial engaging members configured to hold the locking mechanism in a locking position. When each of the dials is rotated to an unlocking orientation, the recesses align with the dial engaging members, allowing the locking mechanism to move from the locking position to an unlocking position. When the code identifying member is moved to a code identifying condition, the dial engaging members are in biased engagement with the dials, such that rotation of any one of the dials to the unlocking orientation causes the corresponding dial engaging member to engage the corresponding recess to provide a perceptible indication that the dial is in the unlocking orientation.

Abstract: A vandal-resistant combination padlock includes a lock body, a core, a claw mount, a locking claw and an U-shaped locking shackle. The lock body has a cavity well for containing a core and shackle. The core has plural sets of numerical dial wheels and coupling tumbler cams as well as a claw mount together with a rocking claw inserted therein. The rocking claw has a latching lever, plural pawls, a blocking dog and a clipping spring. The claw mount has a pair of cantilevers with each shoulder, a ledge and plural dividing ribs extended downwardly for inserting between the adjacent numerical dial wheels. By of the claw mount, the rocking claw is enclosed therein, the numerical dial wheels are properly inserted by the dividing ribs and all the internal components are well protected to avoid damage from an external force or tool.

Abstract: A padlock includes a housing, a shackle having a pivoting portion pivotally passing through a first top hole of the housing into an accommodation chamber of the housing and a locking end passing through a second top hole of the housing, a retaining device disposed in the accommodation chamber and having at least two driving wheels for controlling an axial movement of the pivoting portion of the shackle, and at least two pointers located above a dial of the housing and respectively driven by the driving wheels to point to one of figures of the dial. When both of the pointers point to correct figures, the pivoting portion of the shackle is axially moveable relative to the housing under the control of the driving wheels, such that locking end of the shackle is moveable away from the second top hole of the housing to unlock the padlock.

Abstract: A dual-locking device includes a housing, a shackle and a combination locking mechanism and a key-operated locking mechanism. The shackle is movably mounted on the housing. The shackle comprises a controlling portion, a hook portion, and a root portion. The controlling portion is located inside the housing. The hook portion extends outside the housing from one end of the controlling portion. The root portion extends inside the housing from the other end of the controlling portion. The combination locking mechanism is disposed in the housing and capable of controlling movement of the controlling portion by entering a code. The key-operated locking mechanism is disposed in the housing and capable of controlling movement of the root portion by a key.

Abstract: A lock includes a casing, an indicator movably received in the casing between a first position and a second position and a core received in the casing and so configured in such a way that a private key and a general key are able to activate the core. The movement of the indicator from the first position to the second position is in response to a status where the general key is applied to activate the core.

Abstract: A padlock can be unlocked by an owner dialing an unlocking number or security personnel using a general key. The padlock includes a lock body, a block, a shackle, a general locking device and a private locking device. The lock body includes a first channel and a second channel therein. The block is inserted in the second channel. The block includes a receptacle therein. The shackle includes a long arm movably disposed in the first channel and a short arm for engagement with the receptacle of the block. The general locking device is disposed in the lock body for locking and unlocking the long arm of the shackle. The private locking device is disposed in the lock body for controlling the block so that the block can be engaged with and disengaged from the short arm of the shackle.

Abstract: A padlock includes a housing with a notch, a shackle having a pivoting portion, which is disposed in the housing and axially moveable and pivotable, and a free end disposed in the housing and passable through the notch when the pivoting portion is pivoted. A combination controlled lock unit is adapted for controlling an axial movement of the pivoting portion for enabling the free end to move away from the housing to unlock the padlock. A key controlled lock unit includes a rotatable plug and a block member with a block portion rotatable along with the plug between a locking position where the block portion blocks the notch to stop the free end of the shackle from passing through the notch, and an unlocking position for allowing the free end of the shackle to pass through the notch when the pivoting portion is pivoted to unlock the padlock.

Abstract: A combination padlock with a name card has a housing, a card clamp, multiple dial cores, a shackle, a locking shaft and a key core. The housing has a card surface. The card clamp is mounted detachably on the card surface and holds a name card to indicate who owns the padlock. The dial cores are mounted in the housing, have a combination and provide a combination locking capability. The shackle is U-shaped and has a mounting end and a locking end. The mounting end is mounted through the dial cores. The locking end detaches from the housing. The locking shaft is mounted in the housing and selectively meshes the shackle with the dial cores. The key core is mounted in the housing, locks and releases the shackle by a key and allows a person to unlock the padlock when the combination is forgotten.

Abstract: By providing a padlock having a primary shackle and a secondary shackle which is easily employed whenever the primary shackle has been cut, an effective, easily produced, key operated or combination controlled padlock is achieved which enables the padlock to be quickly and easily opened for inspection by security personnel, while also enabling the padlock to be quickly re-locked after inspection using a secondary locking shackle. In addition, the secondary locking shackle provides the user with notice that the padlock and suitcase had been opened by security personnel. In accordance with the present invention, the padlock incorporates a housing and a primary shackle which is constructed for being lockingly engaged with the housing, as well as dis-engaged from the housing whenever the padlock is opened.

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 lock includes a lock body, a shackle insertable into two insertion slots of the lock body, a slidable box movable into and out of an accommodation chamber of the lock body, a locking mechanism engageable with the shackle when the slidable box is moved into the accommodation chamber, and a combination lock unit mounted in the lock body and operable by the user to move a movable locking frame between a locking position and an unlocking position to lock and unlock the slidable box.

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 combination lock includes a lock body, a shackle axially moveable between a retracted position and an extended position, a locking mechanism, and a dial secured to the front side of the lock body. The locking mechanism is movable from a locked condition to an unlocked condition to permit movement of the shackle from the retracted position to the extended position. The dial includes an outer ring portion surrounding a stationary lock body face and rotatable with respect to the face, and a locking mechanism engaging portion disposed between the lock body face and the rear side of the lock body, wherein successive rotation of the dial to a series of one or more predetermined rotational positions causes the locking mechanism to move from the locked condition to the unlocked condition.

Abstract: A dual-mode padlock can be unlatched by dialing a combination assembly or an associated key. The dual-mode padlock has a latching element movably mounted inside to engage with or disengage from a latch. When the dual-mode padlock is locked, the user can directly push the latch into a mounting groove to engage with the latching element and make the dual-mode padlock locked, without use of the associated key or dialing of the combination assembly. This makes it timesaving and convenient to lock the dual-mode padlock.

Abstract: A padlock includes a housing, a shackle, a limit knob, a movable member and a first locking mechanism. The shackle is movably mounted on the housing and has a root section extended into the housing and a free section having a first end extended from the root section and a second end extended outside of the housing. The limit knob is movably mounted on the housing to control movement of the free section of the shackle. The movable member is movably mounted in the limit knob. Additionally, the first locking mechanism is mounted in the housing to control movement of the limit knob and the movable member.