Abstract: A latch mechanism of a storage case where a case cover is openably and closably connected to a case body, the latch mechanism includes a latch arm connected to the case body and an arm receiving portion provided on the case cover. A hook is formed on a tip side of the latch arm. A locking claw is formed on a tip side of the arm receiving portion. The arm receiving portion is formed with an inclined surface that guides the hook toward a claw tip of the locking claw.

Abstract: The lock has a hook, a locking finger and a latch. The locking finger is engaged with the hook and the latch when the lock is in the locked mode. The locking finger is disengaged from the hook and the latch when the lock is in the opened mode. The lock can be opened by a combination mechanism or by an overriding key mechanism. The combination mechanism has a button, and a plurality of dials and clutches to control the movement of the button. When the dials are set to a correct combination, the button can be moved to disengage the latch from the locking finger, allowing the locking finger to disengage from the hook. The key mechanism has a cylinder with a key slot to receive a key for rotating the cylinder to disengage the latch from the locking finger, allowing the locking finger to disengage from the hook.

Abstract: A memory puzzle is provided that may include one or more levels of rotatable level housing, a number of puzzle spaces disposed on the rotatable level housings, and a piston for indicating that a portion of the puzzle has been solved, wherein the piston raises to a high level as levels of the puzzle are solved, wherein the puzzle is solved when a code is achieved by rotating the rotatable level housings in a specific pattern.

Abstract: A door lock has an inner door assembly, an indoor doorknob assembly, and an outdoor doorknob assembly. The inner door assembly has a locking assembly casing. The indoor doorknob assembly has a positioning resilient component located in the locking assembly casing and configured to switch the door lock between a locked state and an unlocked state. The door is provided with enhanced protection by enclosing the positioning resilient component in the locking assembly casing, so the safety is further improved.

Abstract: The present disclosure is directed to a combination lock including a housing configured to lockingly receive a locking link. The lock includes a plurality of outer dials and a plurality of inner dials, each selectively coupled to a corresponding outer dial. A spindle is positioned radially internal to the inner dials. A multiplier link is pivotably connected between the spindle and a locking bolt. Some forms of the combination lock include a tactile feedback mechanism and/or a combination reset mechanism.

Abstract: A compartment assembly includes a housing, a door movable relative to the housing between an open position and a closed position, an arm extending from the door having a first engagement surface and a second engagement surface, and an actuation system. The actuation system includes a prime mover and a pin connected to the housing and operably coupled to the door. The pin is movable by the prime mover. A biasing mechanism is coupled to the pin to bias the pin into engagement with the arm. When the door is in the closed position, engagement between the first engagement surface and the pin restricts movement of the door. Engagement between the second engagement surface and the pin opposes the biasing force of the biasing mechanism to allow movement of the door.

Abstract: Systems and methods are involved with but are not limited to an apparatus including a frame assembly including a first frame coupler positioned along the frame assembly periphery first outer side of the frame assembly periphery outer surface, a second frame coupler positioned nearer to the frame assembly periphery fourth outer side than to the frame assembly periphery second outer side, the second frame coupler extending from the frame back exterior surface, and a third frame coupler positioned nearer to the frame assembly periphery second outer side than to the frame assembly periphery fourth outer side, the third frame coupler extending from the frame back exterior surface. In addition, other aspects are described in the claims, drawings, and text forming a part of the present disclosure.

Abstract: Systems and methods are involved with but are not limited to: a portable electronic device case including a case cover including a first cover portion, and a second cover portion, the first cover portion hingedly coupled to the one or more first peripheral portions of the enclosure periphery, the first cover portion hingedly coupled to the second cover portion wherein in a first configuration the first cover portion and the second cover portion cover a display of a tablet shaped electronic device being received by the enclosure base and the enclosure periphery and in a second configuration the first cover portion and the second cover portion form a stand. In addition to the foregoing, other aspects are described in the claims, drawings, and text forming a part of the present disclosure.

Abstract: A safety device designed to lock an engine flywheel and shaft in place during maintenance and repairs on the engine.

Abstract: A lockable storage device includes a main body defining a connector; and a locking mechanism including a stopping member and a driving plate assembly. The connector defines a receiving space for receiving a port, the stopping member is movable in the receiving space. The driving plate assembly includes a number of driving plates marked with numbers. When a combination of numbers, formed by surfaces which are on a same plane, is different from a predetermined number sequence, the storage device is locked, when the combination of numbers formed by the surfaces is the same as the predetermined number sequence, the storage device is unlocked.

Abstract: A knee brace worn by a user includes an upper frame assembly having a first pair of arms coupled together by an upper strap that encircles the user's thigh, each arm in the first pair of arms having an upper housing, a lower frame assembly having a second pair of arms coupled together by a lower strap that encircles a leg portion of the user, each arm in the second pair of arms having a lower housing pivotably mounted to one of the pair of upper housings of the first pair of arms, and a pair of spring assemblies connected to the brace. Each spring assembly is disposed within one of the upper housings and one of the lower housings, and includes a torsion spring that adjusts to one of a plurality of positions to permit the spring to store mechanical energy at a desired level.

Abstract: A combination locking device is disclosed. The device includes a spindle which is axially movable, has recesses in it and locking protrusion on it. Around the spindle are annular dials with markers on the outside and associated recesses on the inside. Between each dial and the spindle are gate wheels which have apertures extending radially from the spindle to the dial. The gate wheels also have recesses matching the locking protrusions and when the protrusions and recesses are aligned and the spindle moved axially the gate wheels are rotatably fixed to the spindle. A plurality of locking balls is located within the apertures. Axial movement of the spindle selects device conditions including a code change condition where the locking balls are able to enter the spindle recesses freeing them from the dial recesses and allowing the dials to move around the gate wheels.

Abstract: A mechanical composite lock includes a bottom plate and an upper shell, wherein an accommodation space is formed between the bottom plate and the upper shell; the accommodation space is provided with two groups of locking hooks; an inserting hole is formed in the upper shell; two moving pieces are arranged in the accommodation space; the opening directions of the two groups of locking hooks are opposite to each other; a middle transmission mechanism, a lock cylinder device and a password device are arranged in the accommodation space; the middle transmission mechanism is connected with the moving pieces respectively; the accommodation space is provided with a moving space; the lock cylinder device and the password device are respectively connected with the middle transmission mechanism; the lock can be opened at one time through the lock cylinder device and can also be sequentially opened through the password device.

Abstract: A resettable combination lock mechanism includes a plurality of outer lock dials and a plurality of inner lock dials. The rotation of a reset feature changes the relative axial position between the outer lock dials and the inner lock dials, allowing the combination of the lock mechanism to be reset. In one aspect, the outer lock dials are axially displaced upon rotation of the reset feature, exposing a visual indicator that is configured to indicate whether the lock is in a combination reset mode or is in a normal mode. The reset mode allows the combination to be changed. The normal mode allows the lock mechanism to be locked or unlocked to secure or release a desired item. In another aspect, the rotation of the reset feature rotates a visual indicator into alignment with a window to indicate that the lock is the reset mode or the normal mode.

Abstract: A combination lock includes a casing, a number disk unit, a restriction member located above the number disk unit, and a resilient member cooperated with the number disk unit. The number disk unit has multiple rotary disks and multiple number disks, each number disk has multiple mark areas and multiple grooves located alternatively to the mark areas. The resilient member has multiple engaging portions which are resiliently engaged with the grooves of the number disks so as to ensure that each of the number disks is rotated one mark area and the engaging portion is engaged with the groove to pause the number disk. The combination lock is easily assembled and manufactured.

Abstract: A resettable lock assembly is provided having features that indicate when the lock is in reset mode or normal-use mode. The lock assembly may include a reset knob operable in a first rotational position and a second rotational position. When the reset knob is in the first rotational position, the lock assembly is in a reset mode and a visual indicator is visible.

Abstract: A mechanical barrier recipient verification system including a combination lock assembly having a housing carrying a combination lock mechanism. The housing forms an aperture. The lock mechanism selectively receives and captures a post inserted through the aperture. Further the lock mechanism is configured to provide combination unset and set states; unlocked and locked positions; and correctly and incorrectly entered code arrangements. Following insertion of the post into the aperture and with the lock mechanism in the locked position, the post is retained by the lock mechanism regardless of the correctly or incorrectly entered code arrangement.

Abstract: A combination key lock box comprising a body housing has a storage compartment which has holes to receive the toe of a shackle and the heel of the shackle. The heel or long-leg of the shackle remains inside of the body housing and the toe or short-leg can be moved away from the body to a lock releasing position. The shackle can be released from the body from the locked position to the open position by pushing down on the shackle to turn the dials to a correct combination. The heel of the shackle engages with the hole of the storage compartment cover to prevent the storage compartment from unlocking until the shackle has been released.

Abstract: The invention relates a composite coded lock for a bag, said lock comprises a central lock hook in the middle, at least one side lock hook, a bottom shell, a locking device, a clamping device and a linkage, wherein the locking device is fixed on a casing and has a key lock and a coded lock; the coded lock has a controlled lock blade which has a limiting portion; the limiting portion is controlled by the key lock and the coded lock to move between an unlocking position and a locking position; the clamping device has a clamping pedestal fixed on one side of the bottom shell; the clamping pedestal is provided with a locking piece clamped with the side lock hook and a push and control block used for controlling the movement of the locking piece; the linkage is arranged on the bottom shell.

Abstract: The invention relates to a cable lock, which consists of a lock body combined with a traversing part, wherein a slider and a holder are set inside the lock body, at least an upper bead hole is set on the slider, the at least an upper bead hole is set corresponding to at least a lower bead hole set on the holder, the upper bead hole and the lower bead hole may be glided and corresponding to each other by shifting the slider, to control at least a lock ball gliding in and out, hereby perform unlocking and locking spacing on an inserting slice set on one end of the traversing part, to thereby achieve the burglarproof and prized-proof effect.

Abstract: A lock includes a cylinder with a locking tab extending axially from a distal end, a rod movable between a locked position and an unlocked position. At least one protrusion on the rod, and a pair of blocking elements positioned adjacent to the locking tab. A marked wheel is rotatably mounted on the rod and cylinder, and includes an inner wheel including a ridge extending from an inner surface and a slot extending through the ridge. The rod slides relative to the cylinder when the slot is aligned with the protrusion on the rod.

Abstract: A permutation lock includes a plurality of adjustment rings which are rotatable about a common axis to set a secret code and includes a locking mechanism which has a blocking element. The blocking element can be displaced in the axial direction with respect to the axis of rotation of the adjustment rings from a blocking position into a release position. The adjustment rings are rotationally operationally coupled to axially movable driver elements. The driver elements have axial elevated portions, wherein the driver elements cooperate via the elevated portions in the axial direction such that the blocking element is only displaced axially in the release position by means of the driver elements in that the secret code is set at the adjustment rings.

Abstract: A lock structure for an electronic device includes a housing, a securing element, an entering portion, and a lock body. The housing has a cavity and a first through hole. The securing element has a retaining portion and an extension portion extending out of the housing by the first through hole and together forming a T-shaped structure, wherein the retaining portion has a length and a width. The entering portion is capable of moving back and forth with respect to the housing and the securing portion, and is parallel to an axis of the extension portion. When the lock body is in an unlocked status, the entering portion is moveable along the extension portion; when the lock body is in a locked status, the entering portion extends out of the housing and is fixed beside the extension portion.

Abstract: A padlock includes a shackle having a channel disposed along an axis of the shackle. The padlock also has a plurality of dials each having a single detent. The shackle can also include a plurality of circumferential grooves formed in a spaced arrangement along the shackle, each groove corresponding to one of the dials.

Abstract: A combination locking bottle holder is disclosed comprising a base, a locking bar, and a plurality of tumblers. When a bottle is locked inside the device, features limit access to and prevent removal of the bottle's closure. When the tumbler rings with external indicia are properly aligned to a marker and display a predetermined code, the mechanism permits extraction of the locking bar and allows the bottle to be removed.

Abstract: A lock device includes a locking unit, a connecting unit, and a latch. The locking unit includes a shank, a rotation knob, a control wheel, a plurality of number wheels, a plurality of locating pieces, and a plurality of snap-fit members. The shank has a first positioning hole. The rotation knob has a second positioning hole combined with the first positioning hole of the shank by a positioning member. Thus, the user has to detach the positioning member from the first positioning hole of the shank to release the rotation knob so as to rotate the rotation knob for changing the code of the number wheels, thereby preventing the user from changing the code of the number wheels freely when rotating the rotation knob unintentionally.

Abstract: A door knob assembly having an access device operable to lock and unlock a door from a door frame. The door knob assembly device includes a spindle and the inner and outer knobs are operatively attached to the spindle. The spindle is operable to move a latching member between a first and second position so as to engage and disengage the door frame. The door knob assembly includes a locking member and a biasing member biasing the locking member so as to engage the rosette and fix the outer knob with respect to the rosette. The door knob assembly further includes an access device operable to receive a code. The access device includes a cam assembly operable to position the cam assembly between a first cam and a second cam position when the proper code is provided so as to fix and release the outer knob relative to the rosette.

Abstract: Disclosed are apparatus and methodology for providing a resettable manual entry combination and key operated cam lock. Methodologies are provided for enabling changing of the manual entry resettable combination given knowledge of the previous combination and possession of an operable key. In alternative embodiments, provisions are made to prohibit forced opening of the lock by way of the use of foreign objects.

Abstract: A shoulder strap assembly and a snap hook structure thereof are presented. A strap of the shoulder strap assembly is combined with a first article through the snap hook structure. The snap hook structure includes a main body and a keeper member. The main body hooks the first article, and the keeper member ensures the main body to keep hooking the first article. The keeper member has a perforation. The user can wind the strap around a second article, and use a lock to pass through the perforation so as to lock the first article with the second article, thereby preventing the first article from being stolen.

Abstract: A double system lock apparatus comprises a lock shell, a combination lock, a key lock, and a control piece set. The lock shell has a panel and a main base assembled with each other. The combination lock has a plurality of rotating discs, coupling springs, couplings, and a shaft. The key lock has a lock cylinder and a sleeve set. From back to front, the control piece set has a first control piece, a second control piece, and a third control piece. By means of the control piece set working between the combination lock and the key lock, a double system lock apparatus of simple structure but well function has been formed.

Abstract: A lock structure including an activation device, a combination lock, and a setting device is provided. The combination lock has a plurality of dials, a shaft passing through the dials, and a plurality of first gears disposed on one side of each dial. Each first gear further includes a missing tooth. One end of the shaft is connected to the activation device. The setting device has a plurality of second gears corresponding to the first gears and a setting shaft, wherein one end of the setting shaft passes through the second gears and the other end is connected to the activation device. When the activation device is activated, the second gears are driven to rotate the first gears, so that when each second gear runs free with the missing tooth of each first gear, the dials are in a predetermined position. That is, by means of the activation device and the setting device, the dials of the combination lock can automatically return to the predetermined position after opening or closing the lock.

Abstract: A multiple dial lock includes reset dials rotatable around a lock shaft. Each reset dial must be at a specific angular position for a user to unlock the lock or reset the combination. Each reset dial has a magnet. A master key includes sensors, each in communication with one signal. Each of the signals indicates to a user that a respective magnet is adjacent a respective sensor, thus assisting a user in recovering a lost combination. A rotary lock includes a dial which rotates a drive cam, which in turn rotates several wheels to their unlocking positions. One magnet for each wheel is provided on the drive cam. Each magnet communicates with one sensor provided on a master key, which also includes signals, indicating that a respective magnet is adjacent a respective sensor, thus assisting a user in recovering a lost combination.

Abstract: A horizontal locking case lock includes a coupler fastened to a case and a lock with a housing surface latchable horizontally by the coupler for locking. The coupler includes at least a first wedge portion and at least one latch trough. The lock contains a locking mechanism. The locking mechanism drives and controls movement of a first retainer to further drive a second retainer to force a steel ball into or out of the latch trough, thereby control locking or unlocking of the coupler and the lock. Such a structure can safely lock the case at a public location to avert hitting and pilferage.

Abstract: A tamper-resistant pill bottle for securely storing a quantity of medication. The pill bottle includes a receptacle, a cap for fitting over the receptacle, and a combination lock integral with the cap for releasably locking the cap to the receptacle. The combination lock includes a series of combination wheels that partially protrude through a sidewall of the cap and can be rotatably manipulated by a user. The combination for the combination lock can be set by a user upon receipt of the pill bottle. The pill bottle further includes an inconspicuous defeat mechanism integral with the cap for allowing the pill bottle to be opened, preferably by a pharmacist, if a user forgets the combination of the combination lock.

Abstract: The main objective of the present invention is to provide a cam lock that allows the user to find the correct code when forgetting. The cam lock has an inner shell, an outer shell, a main core assembly, a secondary core assembly, a tongue and an identification assembly. A cover of the outer shell and the inner shell are secured to each other and are mounted rotatably with the rear casing of the outer shell. The main and secondary core assemblies are mounted in the inner shell. Either the main and secondary core assemblies is unlocked, the tongue is rotatable. The identification assembly cooperates with the secondary core assembly to find the code via unlocking the secondary core assembly. Therefore, the cam lock is convenient for use.

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 word-based combination locking device comprising a body, a locking mechanism and a plurality of wheels. The wheels rotate relative to the body and locking mechanism and display a plurality of letters across the device. The wheels and the letters are configured to simultaneously spell two or more words across the device.

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 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 lock structure including an activation device, a combination lock, and a setting device is provided. The combination lock has a plurality of dials, a shaft passing through the dials, and a plurality of first gears disposed on one side of each dial. Each first gear further includes a missing tooth. One end of the shaft is connected to the activation device. The setting device has a plurality of second gears corresponding to the first gears and a setting shaft, wherein one end of the setting shaft passes through the second gears and the other end is connected to the activation device. When the activation device is activated, the second gears are driven to rotate the first gears, so that when each second gear runs free with the missing tooth of each first gear, the dials are in a predetermined position. That is, by means of the activation device and the setting device, the dials of the combination lock can automatically return to the predetermined position after opening or closing the lock.

Abstract: A multiple dial lock includes reset dials rotatable around a lock shaft. Each reset dial must be at a specific angular position for a user to unlock the lock or reset the combination. Each reset dial has a magnet. A master key includes sensors, each in communication with one signal. Each of the signals indicates to a user that a respective magnet is adjacent a respective sensor, thus assisting a user in recovering a lost combination. A rotary lock includes a dial which rotates a drive cam, which in turn rotates several wheels to their unlocking positions. One magnet for each wheel is provided on the drive cam. Each magnet communicates with one sensor provided on a master key, which also includes signals, indicating that a respective magnet is adjacent a respective sensor, thus assisting a user in recovering a lost combination.

Abstract: An improved locking device, such as a combination padlock, is provided in which the re-coding thereof can be carried out in a convenient and/or efficient manner. The locking device has a body including a plurality of dials disposed to surround a lock member in an axially spaced relationship therealong. Relative axial sliding movement is possible between the dials and the lock member between a locked position and a release position. The lock member has at least one generally radially extending exterior locking configuration received in a corresponding first location at one side of a dial in the locked position, and in a corresponding second location within a dial in the release position. Each dial, in the release position, is angularly movable relative to the locking configuration so as to allow re-coding the dial.

Abstract: A padlock includes a base, a combination controlled lock unit having a shaft passing through a top hole of the base into an accommodation chamber of the base, three combination wheels rotatably sleeved onto the shaft, and three retaining wheels sleeved onto the shaft and respectively engaged with the combination wheels, a driving member connected with the shaft, two shackles having bottom ends respectively connected to the base and top ends detachably engaged with each other, and a latch connected with the shaft so as to be driven to move between a locking position where a block portion of the latch stops at least pivotable one of the shackles from movement for ensuring engagement of the top ends of the shackles and a unlocking position where the block portion moves away from the pivotable shackle for allowing disengagement of the top ends of the shackles.

Abstract: A lock assembly includes a housing, a shackle having a pivotal portion, which is disposed in the housing and axially moveable and pivotable, and a free end insertable into a top hole of the housing, a latch movably disposed in the housing and engagable with the pivotal portion or a free end of the shackle, and a lock unit disposed in the housing and having a block portion. When the lock unit is unlocked, the block portion allows a disengaging movement of the latch from the insertion groove such that the shackle can be move upwards to start the counter. When the lock unit is locked, the block portion prohibits the disengaging movement of the latch from the insertion groove such that the shackle can't be moved upwards, and the counter can't be started.

Abstract: A compound lock has a common housing, a latch assembly, a supplementary lock and a combination lock. The latch assembly is rotatably attached to and protrudes from the common housing. The combination lock and supplementary lock are mounted in the common housing and engage the latch assembly, and either may rotate the latch assembly. Thus, in general, people may unlock the compound lock using either the combination lock or the supplementary lock with a key when the combination is forgotten without breaking the compound lock.

Abstract: A security apparatus, a security system that uses the security apparatus, and a method of using the securing apparatus to secure a portable electronic device to an immovable object. The security apparatus comprises a combination locking mechanism with dials and tumblers, a body coupled to the dials, a reset device coupled to the tumblers, and a reset key configured to interact with the reset device to allow the user to reset the combination associated with the combination locking mechanism.

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 combination-changeable complex lock includes a movable plate, a combination lock, and a sliding member. The combination lock is composed of two notched rotating discs, two gearwheels, and a combination-alteration control device. The combination-alteration control device is rotatable to separate the gearwheels from the notched rotating discs for allowing change of the set combination. The sliding member is controllable by the combination lock to engage or disengage the peripheral notches of notched rotating discs. When the combination lock is locked, the sliding member is disengaged from the notched rotating discs and forced against the movable plate to bias the movable plate.

Abstract: A dual-mode lock for a locker has a base, a knob, a key lock assembly, a housing and a combination lock assembly. The base is mounted through the locker. The knob is attached to the base. The key lock assembly is mounted in the knob, and has a lock core mounted rotatably through the base and having a latch for locking the locker. The housing is attached to the base and has a combination mount. The combination lock assembly is mounted in the combination mount to selectively lock or allow the lock core to rotate. Therefore, if a combination is forgotten or lost, the dual-mode lock may be opened quickly with a corresponding key and the combination reset reducing building management stress and preventing replacement costs.

Abstract: A lock assembly, which includes a casing with two lock through holes at one side, a combination lock mounted in the casing, a locking plate axially sliably mounted in the casing to block/open the lock through holes of the casing and having a hook portion at one end, an operating member operable to move the locking plate to block/open the lock through holes of the casing, a cylinder lock mounted in the casing and having a bottom actuatin block rotatable with a key, and a link, which has a protrudin block suspending at one side of the combination lock and movable by the bottom actuating block of the cylinder lock between a first position where the link is engageed with the hooked portion of the locking plate for movement with the locking plate and a second position where the link is desengaged from the hooked portion of the locking plate.