Abstract: A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated padlock, but which displays a second state if the padlock has been opened by utilizing a key.

Abstract: By providing two separate and independent locking system formed in a single padlock construction which is employed for securely holding and locking zipper pull tabs, an effective, easily produced, padlock is achieved which is responsive to both a combination controlled locking system and a key controlled locking system for independently enabling the zipper pull tabs to be released and/or lockingly engaged in response to the activation of either locking system. In the present invention, an easily assembled, compact, highly efficient dual mode, zipper pull locking system is achieved by employing a pair of spring biased locking latch members which are constructed for being inserted in the apertures formed in each of the conventional zipper pulls/tabs employed on luggage, briefcases, and the like.

Abstract: A combination and padlock includes a housing including a front window, a dial assembly, a cylinder having a keyhole, a rotatable member secured to cylinder and having a spiral groove, a sleeve including fingers moveably retained in the groove, an indicator slidably mounted on the sleeve and including a first state surface having a color aligned with the window in a locked position, and a second state surface having a different color, and a shackle. Inserting a key into the keyhole to clockwise turn the cylinder and the rotatable member will move the sleeve downward by moving the fingers along the groove in one direction, and unlock the lock with the second state surface moved to align with the window for visually informing that the lock has been opened by the key. Alternatively, counterclockwise turning the inserted key will lock the lock and reset the indicator.

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 combination padlock has a housing, a dial core, a connector, a key core and a shackle. The housing has a cavity. The dial core is mounted in the cavity and has multiple dials and a shaft extending through the dials and having a bottom end. The connector is mounted in the cavity and has a cylinder and a lateral arm. The cylinder has a through hole, an open slot and a slid pin extending through the open slot. The lateral arm abuts the bottom end of the shaft. The key core is mounted rotatably in the through hole and has a rail slot holding the slide pin. The combination padlock can be unlocked by either operating the dial core or inserting a corresponding key into the key core so using the combination padlock is convenient.

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

Abstract: A combination lock includes a lock body, a locking latch, a numerical actuation unit including a plurality of number rotors and a plurality of locking rings, and a password reset unit. The password reset unit includes a reset driver slidably extended at the lock body to couple with the locking rings, wherein when the reset driver is moved to drive the locking rings to slidably disengage with number rotors, the number rotors are free to rotate on the lock body to reset a new number-combination, such that when the reset driver is released that the locking rings are slidably returned back within the number rotors, the detachable end of the locking latch is unlocked once the number rotors are rotated at the new number-combination.

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 includes a base shell, a cover shell pivoted to and openably covered on the base shell to define with the base shell a storage chamber therebetween, a shackle movably mounted in the base shell, and two combination lock sets each having a latch engagable with the base shell for locking the cover shell to the base shell, a plurality of numbered wheels extending out of through holes of the cover shell, and a movable plate actuatable by the numbered wheels to move relative to the latch for engaging or disengaging the latch to further have the latch engage or disengage with the base shell so as to lock or unlock the cover shell to the base shell.

Abstract: By providing two separate and independent locking systems formed in a single padlock, with both locking systems independently enabling the single shackle to be released and/or lockingly engaged, in combination with a signal/indicator system constructed to provide a positive notification when one of said systems is employed, an effective, easily produced, multi-purpose signal providing 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 housing using either a rotatable dial combination construction or a key activating tumbler construction. In addition, a signal/indicator is activated whenever the key controlled locking section is employed with the signal/indicator being locked in position, for resetting by only the user/owner.

Abstract: A security check hanging lock structure including a lock housing, a first (private) lock mechanism, a second (common) lock mechanism, a first locking member and a second locking member. Each of the first and second locking members has a base end pivotally disposed in the lock housing and a free end extending to outer side of the lock housing. The free ends of the first and second locking members are connectable to form a hanging hook. The first and second lock mechanisms are disposed in the lock housing for drivingly controlling the movement of the first and second locking members. By means of unlocking the first and second lock mechanisms, the free ends of the first and second locking members can be respectively driven to displace away from each other so as to unlock the hanging lock in two manners.

Abstract: A padlock comprises a lock body, a shackle, a block member, an elastic member, a combination locking device and a key locking device. The shackle is movable relative to the lock body between a locked position and an unlocked position, and the shackle has a first end movably installed in the lock body and a second end. The block member is movably connected to the lock body and comprises a button provided for retaining the second end of the shackle in the locked position, a supporter protruding from the button, and a base protruding from the supporter. The elastic member is installed around the button and has one end against the lock body and the other end against the supporter. The combination locking device is installed within the lock body for controlling movements of the shackle. The first end of the shackle is movable to the unlocked position when the combination locking device is unlocked.

Abstract: A dual lock includes a housing, a shackle, a first locking mechanism, an identification member, a second locking mechanism, and an urging member. Thus, the identification zones of the identification member are exposed from the windows of the housing if the dual lock has been unlocked for checking the luggage so as to remind a user to inspect if contents of the luggage that has been checked are missed or lost.

Abstract: A dual-lock type padlock includes a number lock module that is locked and unlocked by a user, and a key lock module that is unlocked by a specific key held by an inspector of the customs for checking the luggage locked by the padlock. Thus, after the key lock module is unlocked, the identification zone of the identification member is exposed outward from the window of the housing, so that the user only needs to see the window to judge if the padlock has been opened by the customs for checking the luggage without having to open the luggage locked by the padlock, thereby greatly saving the time for checking the luggage.

Abstract: A padlock comprises: a casing; a shackle having a free first end and a second end, the second end being pivotally connected to the casing; a locking mechanism received within the casing and limiting the axial movement of the second end of the shackle; a latching tube received and operative to be moved within the casing; and a stop member driven by the latching tube so as to be moved between a first position where the first end of the shackle can be rotated by using the second end thereof as a center of rotation, and a second position where the stop member prevents the first end of the shackle from moving, and the shackle and the casing co-define a closed loop.

Abstract: A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated padlock, but which displays a second state if the padlock has been opened by utilizing a key.

Abstract: A combination lock and padlock combination for visually indicating a key opening permission being allowed or not by forming two opposite marks on a wheel is disclosed. In response to turning the wheel to conceal the marks, a co-owner is aware that a key opening mechanism is disabled. Also, forcedly inserting a key into the key opening mechanism for opening the combination will be futile since a downward movement path of a protrusion on a spring biased shuttle assembly for disengaging with an indentation of the wheel is blocked by either recessed portion of the wheel even if an engagement member of the key opening mechanism is aligned with mated bottom legs of the shuttle assembly.

Abstract: A combination lock and padlock combination for visually indicating a key opening permission being allowed or not is disclosed. A wheel includes two opposite projections on one end surface, spaced protuberances on the other end surface, two opposite key opening marks provided on an outer surface, and an annular flange proximate the protuberances, the flange being partially exposed. In response to turning the wheel to conceal the marks, a co-owner is aware that a key opening mechanism is disabled. Also, forcedly inserting a key into the key opening mechanism for opening the combination will be futile since a downward movement path of a protrusion on a spring biased shuttle assembly is blocked by the lower projection even if an engagement member of the key opening mechanism is aligned with mated bottom legs of the shuttle assembly.

Abstract: An error-proofing combination padlock has a casing assembly, multiple dials, multiple sleeves, a shackle, a locking bolt and a spring. The dials are mounted rotatably inside the casing assembly. The sleeves are mounted rotatably and respectively inside the dials. The shackle is mounted retractably and pivotally on the casing assembly. A locking bolt is mounted slidably through the sleeves. The error-proofing combination padlock prevents dials from rotating except when the shackle is located in the locking (first) position or the combination-resetting (third) position and avoids a new and unintended unlocking combination arising during a resetting operation of the combination.

Abstract: By providing two separate and independent locking systems formed in a single padlock, with both locking systems independently enabling 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 housing 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 lock device allows for the secure attachment of two objects or a movable object to an immovable object, the device providing an oval base loop having a swivel slide collar on a first end and a fixed lock collar on a second end, the fixed lock collar having a keyed security lock means, and a pivotally attached lock loop having a first end slidably engaging the swivel slide collar and a second end having a tapered terminal tip slidably engaging the fixed lock collar and an inner margin having a plurality of inner spaced indentations which are engaged by the attachment between the keyed security lock means and the second end, the lock having an over-all oval shape when securely closed, the lock device adapted to secure two bicycle tires together, a steering wheel to a brake pedal, a steering wheel to a forward folded seat headrest, or other suitable application.

Abstract: A padlock comprises a lock body, a shackle, a combination locking device and a key locking device. The shackle is movable relative to the lock body between a locked position and an unlocked position. The combination and key locking devices are installed within the lock body respectively for controlling movements of the shackle. Additionally, the combination locking device has a frame for receiving a first end of the shackle and a combination unit connected to the frame, which is movable when the combination unit is unlock whereby a second end of the shackle is movable to the unlock position. Furthermore, the key locking device comprises a block unit for locking the first end of the shackle and a key unit connected to the block unit, which is movable when the key unit is unlocked by a key.

Abstract: By providing a unique cam member which cooperatingly controls shackle locking elements to move between a first locked position and a second unlocked position, an effective, easily produced, high security padlock is achieved. Furthermore, the high security padlock of the present invention is constructed, in one embodiment, for being controlled by use of a combination system and, in an alternate embodiment, for being controlled by using either a combination system or a key and tumbler system.

Abstract: A padlock includes a housing, a locking hook, a number lock core unit, a locking barrel, and a locking member. When the locking end of the locking hook is located at the closed position, the locking member is driven by the locking barrel to move to a first position where the opening of the insertion recess of the locking member is closed by the protrusion of the housing and a second position where the opening of the insertion recess of the locking member is opened by the protrusion of the housing. Thus, the padlock that can limit or open an end of a locking hook to close or open the locking hook.

Abstract: A cable lock includes a lock body and a belt which constitutes a closed loop. The closed loop is adjustable when the lock body is in an unlock condition. When the lock body is switched to a lock condition, the belt is restricted so that the closed loop is not adjustable.

Abstract: A padlock includes a housing, a shackle, a number lock mechanism, a key lock mechanism, a movable block, and an identification member. Thus, the identification member is exposed outward from the window of the limit knob after the padlock has been unlocked by an inspector of the customs for checking the luggage so as to remind a user to inspect if contents of the luggage that has been opened and checked are missed or lost.

Abstract: Provided is a combination lock and padlock combination comprising a housing include a window; a tumbler wheel assembly; a cylindrical moveable bar inserted through the tumbler wheels; a locking mechanism including a U-shaped member fixed at the bar, a rectangular shuttle member having a central opening, a projection at one side, a spring biased extension at the other side inserted through the shuttle member, and an arcuate recess at an end of the extension, and a parallelepiped indicator assembly fitted in a cavity proximate a shackle receiving hole and including a latch, an internal spring having one end urged against a wall of the cavity, and an indicating face on its top; a U-shaped shackle having an annular groove proximate one end being in contact with the recess; and a cylindrical key turning assembly co-acted with the shuttle member.

Abstract: A lock having a body, an engaging element having a first end, a locking mechanism for securing the first end to the body, the locking mechanism adapted to selectively conceal or reveal a passage in the body, through translation of a sliding gate, through which the first end may move to unlock the lock; the engaging element has a second end which is retained by the body at all times but is free to rotate. In other aspects, a lock has a body, a shackle having heel and toe portions, the heel portion engaged within the body, and a gate mechanism for selectively concealing or revealing a passage in the body from which the toe portion may move to unlock the lock, wherein movement of the toe portion is achieved through rotation of the toe about the heel.

Abstract: A padlock is locked by inserting a key into the keyhole and turned to rotate the rotary member of a lock core together with a stop block to let the engage groove of the stop block be disengaged from the annular groove of a movable bolt and make a spring extend outward, and thus the movable bolt can be drawn out of the movable-bolt insert hole of an upper base. Then, the steel cable of the padlock is wound around an article to be locked, and the movable bolt is inserted in the movable-bolt insert hole of an upper base and the insert hole of a lower base. Meanwhile, the stop block is moved to its original position by the spring and its engage groove is engaged with the annular groove of the movable bolt, letting the movable bolt be locked stably.

Abstract: A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated padlock, but which displays a second state if the padlock has been opened by utilizing a key.

Abstract: A numeral lock housing structure including a lock housing composed of two halves mated with each other. Each of the halves is formed with at least one lateral face and a front face forward extending from the lateral face. Two edges of the front faces form two mating edges mated with each other. A corner section between the lateral face and the front face of at least one of the two halves is formed with at least one numeral wheel window. At least one numeral wheel is mounted in the numeral wheel window for controlling a lock bolt to lock/unlock the numeral lock. The numeral wheel window extends into the front face without crossing the mating edge thereof. Therefore, the mating edges of the two halves of the lock housing will not be slotted so that the structure of the front face of the lock housing is kept integrated. The numeral wheel is positioned between the lateral face and front face so that the numeral wheel has larger turning angle each time the numeral wheel is turned.

Abstract: A combination lock comprises a first shackle, dials, a spring loaded member biased against the innermost dial, a second shackle comprising an inner arm, a moveable block pivotably coupled to the inner arm and including a spring and an opposite T-shaped slot, and a key opening mechanism aligned with the moveable block and comprising a shaft and a cross member. Inserting a key into the mechanism and turning the key will rotate the shaft and the cross member until the cross member is aligned with an opening of the slot such that pressing the second shackle will cause the inner arm to counterclockwise pivot about the member, move the moveable block outwards to compress the spring and dispose the cross member in the opening, and disengage the second shackle from the first shackle.

Abstract: Disclosed is a combination lock wherein responsive to unlocking the lock, use a tool to press the push button to advance a push button and a locking pin inside until a passage is clear from a ledge, insert a pointed portion of the tool into an indentation on a push button, rotate the push button to engage a projection with a tooth, further press the push button to advance a locking pin inside and matingly engage the push button with the locking pin, and rotate the push button and the locking pin until the ledge inserts into the passage with a spring biased pin being entered into an aperture of a sliding seat for locking during an operation of inhibiting the lock from being opened by a key.

Abstract: A method of optimizing performance of a well system utilizes a neural network. In a described embodiment, the method includes the step of accumulating data indicative of the performance of the well system in response to variable influencing parameters. The data is used to train a neural network to model an output of the well system in response to the influencing parameters. An output of the neural network may then be input to a valuing model, e.g., to permit optimization of a value of the well system. The optimization process yields a set of prospective influencing parameters which may be incorporated into the well system to maximize its value.

Abstract: By forming a combination padlock from heavy duty metal throughout with an enlarged, heavy duty locking bar or shackle being employed having a tamper-proof holding cavity for the terminating, locking end of the locking bar, an effective, easily produced, high security padlock is achieved which employs a combination system for fully operating the padlock. In addition, the combination padlock of the present invention incorporates tumbler or clutch wheel constructions which cooperate with the rotating dials to virtually eliminate any possibility that an unauthorized person would be capable of gaining access to the padlock by known combination lock picking techniques by forming each tumbler or clutch wheel with a plurality of radially extending fins formed thereon, with each of the fins being arcuately spaced from the adjacent fin in a non-symmetrical pattern.

Abstract: A numeral lock housing structure including a lock housing composed of two halves mated with each other. Each of the halves is formed with at least one lateral face and a front face forward extending from the lateral face. Two edges of the front faces form two mating edges mated with each other. A corner section between the lateral face and the front face of at least one of the two halves is formed with at least one numeral wheel window. At least one numeral wheel is mounted in the numeral wheel window for controlling a lock bolt to lock/unlock the numeral lock. The numeral wheel window extends into the front face without crossing the mating edge thereof. Therefore, the mating edges of the two halves of the lock housing will not be slotted so that the structure of the front face of the lock housing is kept integrated. The numeral wheel is positioned between the lateral face and front face so that the numeral wheel has larger turning angle each time the numeral wheel is turned.

Abstract: A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated luggage padlock, but which displays a second state if the padlock has been opened by government inspectors utilizing a key for purposes of inspecting contents of the luggage. The indicator can be reset from a display of the second state to a display of the first state only after the padlock has been opened utilizing a combination known to the owner. The indicator is movable between first and second positions, and has first and second surfaces of different appearance, one or the other of which is displayed through a window of the housing depending on whether the indicator is in the first position or the second position.

Abstract: A numeral lock structure including: a lock main body in which a lock core is arranged, the lock core being controlled by multiple numeral wheels to lock or unlock; a lock hook having a base end and an extending free end, the base end being pivotally inserted in one end of the lock main body, whereby the free end of the lock hook can be freely rotated about the base end; and a displaceable button disposed on the lock main body for restricting the free end of the lock hook. Top side of the displaceable button is formed with a notch in which the free end of the lock hook is restricted in a locked state. When the lock core is locked, the displaceable button is synchronously restricted from displacing to keep locking the lock book. When the lock core is unlocked, the displaceable button is synchronously displaceable, permitting the free end of the lock hook to be turned outward and detach out from the notch for unlocking.

Abstract: A combination lock capable of being opened by a key or inhibited the same is disclosed. In the locked position inserting a key into a lock core for turning an abutment member will open the lock. In the unlocked position press the trigger member for moving a post down until grooves clear from ridges, rotate the post a predetermined degree to matingly engage first and second toothed members together, release a trigger member to cause both itself and the post to move up, inclined bottom ends of ridges are gradually engaged with and finally stopped by a second ratchet member, the post is stopped from moving up, and a space between the post and a top hole of the abutment member is reduced sufficiently to inhibit a short leg from moving out of an upper bore by turning the key.

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 padlock having a receiving chamber inside includes a base housing, a shackle set, a numbered wheel set, and a cover housing. It is characterized in that the base housing further includes a base shell extending outwards from a side thereof. A cover shell is pivotably closeably mounted to a side of the base shell for being freely opened and closed. A locking member is disposed for locking the cover shell. The receiving chamber is formed between the cover shell and the base shell. Accordingly, the numbered wheel set can be driven to move to further control the cover shell and the shackle set to be locked/unlocked, thereby bringing the convenience of using the receiving chamber.

Abstract: A padlock comprises: a casing; a shackle having a free first end and a second end, the second end being pivotally connected to the casing; a locking mechanism received within the casing and limiting the axial movement of the second end of the shackle; a latching tube received and operative to be moved within the casing; and a stop member driven by the latching tube so as to be moved between a first position where the first end of the shackle can be rotated by using the second end thereof as a center of rotation, and a second position where the stop member prevents the first end of the shackle from moving, and the shackle and the casing co-define a closed loop.

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. sThe 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 steering wheel lock comprises a lock mount, a retaining rod, a combination lock, a lock knob, a lock sleeve, a retractable rod and a pin set. The double locking function provided by the combination lock and the lock knob makes decoding much more difficult. It is an additional locking mechanism that a pin set composed of a long pin and two short pins can be inserted into the pin holes within the combination lock. An extra code set specifying the alignment configuration of the pin holes is then needed to open the lock.

Abstract: A combination lock consists of a lock housing, a shackle, a lock shaft, an elastic element, a dial and a plurality of retaining rings. The dial is the only element for performing the locking and unlocking function, and forms rotational chain movements with the retaining rings such that the retaining rings may be driven by the dial to move the lock shaft to generate an interference or release movement, thereby indirectly determine whether the shackle may be moved relative to the lock housing from a locked position to an unlocked position.

Abstract: A combination lock and locking pin is provided which includes indexed tumblers operable in any sequence or simultaneously to enter a combination, a channel to protect the locking pin, and a locking pin with nested locking cylinders or a reduced or conical shaped nose to fit different sized latch plates or the area behind a gun trigger.

Abstract: A combination lock consists of a lock housing, a shackle, a lock shaft, an elastic element, a dial and a plurality of retaining rings. The dial is the only element for performing the locking and unlocking function, and forms rotational chain movements with the retaining rings such that the retaining rings may be driven by the dial to move the lock shaft to generate an interference or release movement, thereby indirectly determine whether the shackle may be moved relative to the lock housing from a locked position to an unlocked position.

Abstract: By providing a shackle holding assembly mounted in controlling engagement with the termination end of the long leg of the shackle, movement of the shackle is controlled and accidental changes to the combination are prevented. Preferably, the shackle holding assembly comprises a rim-bearing holding member mounted to the free end of the elongated leg of the shackle which is engaged with a spring member biased to prevent unwanted axial movement of the shackle. As a result, user force is required to axially move the shackle into the combination re-setting position.

Abstract: By forming a combination padlock from heavy duty metal throughout with an enlarged, heavy duty locking bar or shackle being employed having a tamper-proof holding cavity for the terminating, locking end of the locking bar, an effective, easily produced, high security padlock is achieved which employs a combination system for fully operating the padlock. In addition, the combination padlock of the present invention incorporates tumbler or clutch wheel constructions which cooperate with the rotating dials to virtually eliminate any possibility that an unauthorized person would be capable of gaining access to the padlock by known combination lock picking techniques by forming each tumbler or clutch wheel with a plurality of radially extending fins formed thereon, with each of the fins being arcuately spaced from the adjacent fin in a non-symmetrical pattern.

Abstract: The combination padlock of the present invention incorporates tumbler or clutch wheel constructions which cooperate with the rotating dials to virtually eliminate any possibility that an unauthorized person would be capable of gaining access to the padlock by known combination lock picking techniques by forming each tumbler or clutch wheel with a plurality of radially extending fins formed thereon, with each of the fins being arcuately spaced from the adjacent fin in a non-symmetrical pattern. Furthermore, the padlock of the present invention incorporates a unique combination setting and re-setting assembly which employs a slider shaft incorporating a radially extending post, which must pass through a key-hold slot formed in the body or housing of the padlock for activating the combination setting or re-setting mode, and cooperates with a set screw member threadedly engaged with the housing or body of the padlock which controls the axial movement of the shaft.