CN101583771A - Combination padlock - Google Patents

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.

Description

Combination padlock

Related application

The U.S. Patent application the 60/880th that the claimed name of the application is called " COMBINATION PADLOCK " and submits to January 16 in 2007; No. 611 and a U.S. Patent application the 60/975th that is called " COMBINATION PADLOCK " and submits on September 28th, 2007; the degree that No. 902 priority, the disclosure of these two patent applications are attached to herein by reference is: they are not inconsistent with the application.

Technical field

The present invention relates to combination padlock.

Background technology

Combination padlock uses in a variety of application, for example, and about locking device, such as locker, depots and various gate and door.In Fig. 1, illustrate the locking mechanism of conventional single dial combination lock 1.Numbering formula combination dial 2 is positioned to lock on 1 the external surface, and numbering formula combination dial 2 is as user interface.The rotation of dial makes driving cam 3 mesh a series of rotating cam 4a, 4b, 4c (being generally three cams for conventional combination padlock or school's locker), and each cam has the periphery that keeps breech lock or fence 7 to be in the lock state.The bayonet lock (detent) 9 that each cam extends from cam 4a, 4b, 4c is engaged with each other so that cam 4a, 4b, 4c rotate together.When dial 2 rotates to the first desired position of rotation and then in the opposite direction (for example, counterclockwise) during rotation, the first cam 4a is retained in desired position of rotation owing to the bayonet lock 9 with the second cam 4b separates.When dial rotated to second desired position and in the opposite direction rotates (for example, clockwise direction) then, the second cam 4b was retained in desired position of rotation owing to the bayonet lock 9 with the 3rd cam 4c separates then.When dial 2 rotated to the 3rd desired position of rotation, the 3rd cam 4c was correspondingly located then.In this way, dial 2 can be rotated to continuous desired position (by the DIGITAL IDENTIFICATION on the dial 2), and it makes among cam 4a, 4b, the 4c breach in each cam 6 aim at fence 7.When institute jagged 6 punctual with 7 pairs of fences, can allow fence (for example to move in the breach 6 of aligning, move or pass through spring-feel mechanism by the user), allow locking component 5 to move and break away from and the locking mesh that hinders such as (for example under the situation of combination padlock or locker door, under the situation of combination locker lock) such locking of hook.

With phase-locked ratio based on key, though use combination lock can get rid of key loss, the stolen or risk that is replicated, but still can learn authorized combination by unauthorized user, perhaps by no longer the authorized user once of expectation visit know authorized combination.Under these or other situation, authorized user may expect to change the release combination.

Conventional combination padlock is maintained at lock-out state by the breech lock of one leg that is meshing hook.This lock may be easy to be knocked breech lock or clog breech lock lockhole (skim) with the spoon sheet and make it to break away from the damage of unblanking with the engagement of hook that brings.As another feature of conventional combination padlock, after should locking locking again, rotate to authorized combination and can be retained in this authorized combination place with the cam ring of unblanking or, jeopardize lock safety thereby damage potentially near this authorized combination.As another feature of conventional combination padlock, combination dial is by less relatively knob controlling, and less relatively knob may be difficult to handle aspect ergonomics.In addition, when on conventional combination padlock, transfering to this combination, rotating fast of numeral may make numeral visually mix on dial, thereby is difficult to dial is rotated to the appropriate location exactly under the situation that can not slow down the dial rotation in order to watch these numerals.

Summary of the invention

The application has described various invention characteristics, and it can offer such as the such locking layout of combination padlock.An inventive aspect according to the application, combination lock can possess dial, dial has annular section, and this annular section surrounds the fixedly front of lock body and can rotate around the fixedly front of lock body, and this fixedly has the position of rotation that one or more position of rotation mark is used to represent dial in the front.Another inventive aspect according to the application, combination lock can possess combinational code and reset device, combinational code is reseted device can comprise cam member, and cam member can be pivoted to resets the position so that dial drive hub and corresponding release wheel separate, thereby can adjust wheel hub with respect to the position of rotation of taking turns.Another inventive aspect according to the application, combination padlock can possess sliding component, corresponding breach was in a locking mesh during sliding component was configured to keep locking component and link up with when sliding component is in latched position, and also be configured to when sliding component is in the unlocked position, allow locking component and hook to break away from, move to extended position to allow to link up with from advanced position.Inventive aspect again according to the application, combination padlock can possess the flip component (upset member) that fits together with the hook long leg, this flip component is formed at hook and is spring loaded when extended position moves to advanced position and abuts against one of a plurality of rotatable cams, thereby make that when hook arrival advanced position spring-loaded flip component is given revolving force so that a plurality of cams are spun out from the release orientation on one of in a plurality of cams.

Therefore, in one embodiment, combination lock comprises lock body, hook, locking mechanism that can move between advanced position and extended position and the dial that is fixed to the lock body front side.Locking mechanism can move to released state from lock-out state and move to extended position with the permission hook from advanced position.Dial comprises: outer ring portion and latch mechanism engages part, this outer ring portion surrounds pin dignity and can rotate about this face, this latch mechanism engages partly is placed between lock body face and the lock body rear side, and wherein dial causes locking mechanism to move to released state from lock-out state to the continuous rotation of a series of one or more predetermined rotational positions.

Description of drawings

By the specific embodiment of being made with reference to the accompanying drawings hereinafter, characteristics of the present invention and advantage will become apparent, in the accompanying drawings:

Fig. 1 illustrates the schematic side elevational sectional view of combination padlock;

Fig. 2 illustrates the front-side perspective view of combination padlock;

Fig. 3 A illustrates the exploded front-side perspective view of the combination padlock of Fig. 2;

Fig. 3 B illustrates the exploded backside perspective view of the combination padlock of Fig. 2;

Fig. 3 C illustrates another exploded front-side perspective view of the combination padlock of Fig. 2;

Fig. 3 D illustrates the another exploded front-side perspective view of the combination padlock of Fig. 2;

Fig. 3 E illustrates the backside perspective view of lock body of the combination padlock of Fig. 2;

Fig. 3 F illustrates the backside perspective view of dial of the combination padlock of Fig. 2;

Fig. 3 G is the decomposition diagram of cam sub-component of the combination padlock of Fig. 2;

Fig. 4 A and Fig. 4 B illustrate the left side and the right side cross-sectional perspective view of combination padlock;

Fig. 5 illustrates the left side view of combination padlock, illustrates the additional devices of lock body with the diagram padlock with broken section;

Fig. 6 illustrates the left side perspective view of combination padlock, and it has the lock body that illustrates with broken section and locks the additional devices of sub-component with the diagram padlock;

Fig. 7 illustrates the front side cross-sectional perspective view of combination padlock;

Fig. 8 A illustrates the rear side cross-sectional perspective view of the combination padlock of Fig. 2, is shown to be in the lock state;

Fig. 8 B illustrates the rear side cross-sectional perspective view of the combination padlock of Fig. 2, is shown to be in released state;

Fig. 8 C illustrates the rear side cross-sectional perspective view of the combination padlock of Fig. 2, is shown the state of reseting that makes up that is in;

Fig. 9 A illustrates the right side cross-sectional perspective view of the combination padlock of Fig. 2, is shown to be in released state;

Fig. 9 B illustrates the right side cross-sectional perspective view of the combination padlock of Fig. 2, is shown the state of reseting that makes up that is in;

The phantom drawing of layout is reseted in the combination that Figure 10 illustrates the combination padlock of Fig. 2; And

The phantom drawing of layout is reseted in another combination that Figure 11 illustrates combination padlock.

The specific embodiment

This specific embodiment of the present invention has just been described embodiments of the invention and has never been limited the category of claims.In fact, the present invention for required protection more extensively and not is subjected to embodiment restriction as herein described than embodiment as herein described, and used term has their usual completely meanings in claims.

According to the application's inventive aspect, combination padlock can possess dial, and this dial has outer ring portion, and outer ring portion can be round the fixedly front rotation of lock.In one embodiment, one or more position of rotation mark (such as orderly numeral) can be located on the stationary plane of lock, and signifying sign can be located on the dial, thereby rotatable this dial is so that signifying sign is aimed at one of position of rotation mark, and this position of rotation mark is corresponding to the suitable dial position that will lock release (individually or as a position in the sequence of dial position).In certain embodiments, the width of signifying sign can be corresponding with the required precision of incremental dial.For example, the combination lock for the less precision of increment position of rotation aspect needs that will lock the required dial of release can provide broad or thicker signifying sign.

Referring to Fig. 2, exemplary combination padlock 10 comprises dial 20, and dial 20 can be around 30 rotations of the fixedly front of lock 10.Dial 20 can be rotated to one or more position in a series of position of rotation with operational lock mechanism, thus allow to link up with axially from advanced position move to extended position the short-leg of hook 40 is broken away from lock body 50 or from lock body 50 extractions to open padlock 10.Hook 40 long leg and short-leg are received in lock body 50 peripheries corresponding first hook opening between lock body front and rear side and link up with in the opening with second.

Can use many not isostructures that annular dial is provided, annular dial is rotated round the stationary plane on the combination lock.In one embodiment, dial comprises central authorities or latch mechanism engages part, and it is configured to be connected with the locking mechanism (cam lock such as stack is arranged) of combination padlock.In this embodiment, the stationary plane of lock can be bonded on the middle body of lock body by the opening of dial middle body.In an exemplary embodiment, illustrated in Fig. 3 A and Fig. 3 B, dial 20 comprises middle body 21, and it has the opening 22 that runs through it.Securing member 60, such as post or screw, from lock body 50 extend past openings 22 the mounting portion on stationary plane 30 rear sides is attached on the central hub part 52 on the lock body 50.Use this layout, when dial 20 rotation, facial 30 are maintained fixed, the observability (the hacures mark of for example, numbering) that this can (for example) provides chosen position mark 33 to strengthen cumulatively.In order to transfer to desired combination, the mark 26 on the outer ring portion of dial 20 is aimed at reference to (such as a plurality of marks 33) with authorized combination.Dial 20 also can comprise cover part 25, and cover part 25 can be overmolded on the outer exposed annular section of dial 20 or otherwise be attached on the outer exposed annular section of dial 20.Use for the user to provide tactile gripping surface the cover part 25 that can (for example) be provided as plastics or elastomeric material form.

Though the middle body 22 of illustrated dial 20 is supported on the central authorities of cross shaped head (cross-shaped) frame part 24,, consider such as factors such as material applications, durability and manufacturabilitys can use many heteroid dial.As an example, combination lock can be utilized the solid disk type dial with central opening.

The type of the locking mechanism that is utilized in combination padlock can be subjected in the lock body restriction in order to the space that holds lock assembly.Another inventive aspect according to the application, the stack of dial cams that is associated with combination lock arrangement can be used for locking component with the exceptional space that close shackle legs end is provided from the lock body off-centring and mesh hook, and this can allow and link up with more lasting or vandal-proof locking mesh.In one embodiment, offset cam stack can be carried out gear drive by central gear.In illustrated embodiment, dial 20 is included in the gear part 23 on middle body 22 rear sides.Gear part 23 is oriented to be received in the recess 53 of lock body wheel hub 52, thereby makes gear part 23 and gear parts 73 engagements, post 58 rotations that gear parts 73 can extend around the backboard 59 from lock body 50 rear sides.Gear parts 73 extends through opening 55 in the lock body 50 axially to aim at gear part 23.Gear part 23 is transferred to a series of dial cam 70,74,76 with the engagement of gear parts 73 with the rotation of gear part 23, and these dial cam are around post 58 rotations.In an exemplary embodiment, the gear parts 73 and first dial cam 70 are one.Dial cam 70,74,76 and post 58 provide a space to hold locking mechanism with respect to the position that dial 20 central axis are offset, and the locking component sub-component 80 of all embodiment is as illustrated described hereinafter in more detail.

Also can utilize many different dial cam to arrange.Among the embodiment that separates of example, the rotation of dial 20 causes gear part 23 to mesh a series of rotating cam or take turns 70,74,76 by gear parts 73.The bayonet lock 77 that each cam from cam 70,74,76 extends is engaged with each other so that cam rotates together.As being pressed in the latched position in the illustrated sliding component of Fig. 8 A to Fig. 8 C or plunger 85 (perhaps breech lock, fence or the movable part other) periphery by cam 70,74,76.By dial 20 being rotated to the continuous precalculated position that picks out by the numeral on the stationary plane 30 (that is, lock visit combination), in cam 70,74,76 breach in each cam or recess 79 (perhaps some other release device) are aimed at plunger 85.Punctual when 85 pairs of all recesses 79 and plungers, permit this plunger to move in the recess 79 of aligning or with recess 79 engagements of aiming at, the locking component 83 that allows to be associated moves and breaks away from and the locking mesh (referring to Fig. 8 B and Fig. 8 C) of linking up with 40.Plunger 85 can spring biased (not shown) can push this plunger with recess 79 engagements or when the hook 40 of the padlock that draws back release and recess 79 meshes.

According to another inventive aspect of the application, single dial combination lock can possess release combination and reset device, its be independent or with described other invention combination of features in this application.This device of reseting can allow the user to change any desired series that release is combined to the dial position, for example to prevent by the personal visit of knowing previous combination or to prevent from this combination is become the easier a series of digit positions remembered of user (for example, birthday or some other obvious combination of numbers).In one embodiment, combination lock comprises a series of cam, each cam (for example has the lock release portion, have breach to admit the part of corresponding breech lock or fence or other such release device) and cam be meshing with each other part (for example, have bayonet lock with the part of the bayonet lock engagement of contiguous cam).Lock release portion and the cam part that is meshing with each other can (but nonessential) be similar to shown in the embodiment of Fig. 1 and those parts mentioned above, in exemplary lock, when combination lock is unlocked, the lock release portion can separate with the cam part that be meshing with each other, and makes the rotation of combination dial make cam be meshing with each other partial rotation and permits this lock release portion to remain in unlocked position simultaneously.Under this state that separates, can be by combination dial be moved to corresponding to desired new release combined location in the part that with counterclockwise rotating to corresponding incremental dial position (as above describing in more detail) cam is meshing with each other clockwise.When cam is meshing with each other part when having moved to desired position, lock release is meshing with each other with cam and partly can be handled with engagement again each other, thereby unlocked position (wherein such as breach such release device and breech lock or fence aligning) makes up corresponding with new release.

Can use many different mechanisms or structure that lock release portion and cam are meshing with each other partly optionally to mesh and break away from.For example, lock discharges with the cam part that is meshing with each other and can utilize opposed friction surface, securing member or gear teeth and mesh or break away from.In one embodiment, single dial combination lock comprises one group of cam, and each cam has lock release portion and the part that is meshing with each other of the cam on wheel hub on wheel.Each exemplary wheel and wheel hub are meshed to rotate mutually when axially aligning at wheel and wheel hub.When taking turns when axially separating with wheel hub, wheel and wheel hub break away from each other.Under this state that axially separates, wheel hub keeps being rotatably connected with combination dial, and wheel separates with the dial rotation.Though can use many different layouts to come axially separating wheel and wheel hub, in one embodiment, cam member can be located in the lock body.When cam member is pivoted to when reseting state, cam member breaks away from wheel and wheel hub moving axially wheel.

Can utilize many different mechanisms that be meshing with each other part or wheel hub of lock release portion or wheel and cam separated to reset combinational code, comprise (for example) but button, lever or other such parts of external control, perhaps by hook being positioned locking and hanging hook that particular orientation enables and the interlock between the cam.In one embodiment,, can use independent parts in order to prevent to make unintentional or the unauthorized change to the release combination, such as, key or other such instrument separate cam and wheel hub.Though the keyhole insertion that key can pass in the lock body is used for the mechanism of taking turns and wheel hub separates with engagement, but lock body may alternatively be configured to admit the key or the instrument of authorizing by the hook hole of hook short-leg, thereby restriction is to this change sign indicating number visit (when extracting hook out) of released state.Therefore, the two changes the release combination can to need release combination and instrument.

In illustrated single dial combination lock 10, each cam 70,74,76 comprises wheel 70a, 74a, the 76a with breach or recess 79 and has wheel hub 70b, 74b, the 76b of the bayonet lock 77 that is meshing with each other.Shown in Fig. 3 G, exemplary wheel 70a, 74a, 76a and wheel hub 70b, 74b, 76b are by the projection 71 of radially extending of the wheel hub in the groove 72 that is received in wheel be rotatably connected (but also can provide other to be configured to engagement), thereby can make wheel separate (for example, be independent of wheel hub and move) with wheel hub by on post 58, moving wheel 70a, 74a, 76a in the axial direction.Distance piece 61 (Fig. 8 A to Fig. 8 C) can fit together to keep wheel hub 70b, 74b, 76b in place and allow wheel 70a, 74a, 76a moving axially simultaneously with post 58.Lock 10 also comprises cam disc 41, and cam disc 41 can and be reseted between the state in normal condition and pivot or rotation around post 58.Cam disc 41 comprises key mate 42, key mate 42 is aimed at short shackle legs hole 51, thereby make cam disc rotate to the state of reseting through 51 insertions of weak point shackle legs hole appropriate key or instrument K from normal condition, under the normal release state, shown in Fig. 8 B and 9A, one or more lock body caking (nub) 56 (also referring to Fig. 3 E) is received in the cam disc 41 and breaks away from wheel 70a, 74a, 76a to keep cam disc 41 in the corresponding angled recess 46 (also referring to Figure 10).When cam disc 41 rotates to when reseting state, lock body caking 56 skids off from recess 46, and against wheel 70a, 74a, 76a, this makes wheel axially separate with corresponding wheel hub 70b, 74b, 76b then at axial push cam disc 41.As shown in the figure, non-rotating shimming plate 75 can be located between wheel 70a, 74a, the 76a to prevent that wheel is engaged with each other and unexpected each other rotation.When wheel broke away from and/or mesh wheel hub 70b, 74b, 76b, shimming plate 75 was axially moving with wheel 70a, 74a, 76a.In addition, non-rotating distance piece 171 can be located between wheel hub 70b, 70b, the 76b to prevent that the wheel hub accident from rotating each other.Can provide spring 48 when key K extracts out, to make cam disc 41 turn back to normal condition.Also can provide cam spring 44 with when cam disc 41 has turned back to normal condition axially will take turns 70a, 74a, 76a retracts and corresponding wheel hub 70b, 74b, 76b engagement.The big I of distance piece 61 is decided to be positioning cam spring 44 rightly.In addition, cap 172 can be assembled in post 58 ends and above the wheel hub 70b of end being sub-component with post 58 and cam set fixing.

As shown in the figure, lock body 50 can possess barrier 49, and barrier 49 has opening or aperture 49a, and the size of opening or aperture 49a allows to insert key K and prevent that simultaneously other such article from inserting fully.In addition, key K can comprise tongue piece or tip K1, thereby makes the key K inserted will abut against barrier 49 when rotated and fixing and overcome the power of spring 48 and remain on the state that inserts fully to keep the state of reseting of cam disc 41.

Can utilize other key operated mechanism that wheel 70a, 74a, 76a and corresponding wheel hub 70b, 74b, 74b are divided opens.In alternate embodiments, as shown in figure 11, cam lever 41 ' can and reset between the state around feather edge 43 ' in normal condition pivots.Cam lever 41 ' comprise key mate 42 ', it aligns with short shackle legs hole 51, makes cam lever 41 ' be pivoted to the state of reseting from normal condition thereby insert suitable key K by short shackle legs hole 51.When cam lever 41 ' be pivoted to was reseted state, cam portion 46 ' at axial push wheel 70a, 74a, 76a broke away from and corresponding wheel hub 70b, 74b, 76b engagement.Cam spring 44 can provide enough biasing force axially will take turns 70a, 74a, 76a retracts with corresponding wheel hub 70b, 74b, 76b engagement and make cam lever 41 ' turn back to normal condition when key K extracts out.

Can provide other device to assist or facility is carried out code weight and established.In one embodiment, comprised that the bayonet lock device so that the correct identification (positiveidentification) to the combination dial position to be provided to the user, makes up thereby set new release as required exactly.In illustrated embodiment, each incremental counter at combination dial 20 (Fig. 3 F), ball bearing 27 is biased in the corresponding recess 29 by spring 28 (referring to Fig. 3 C and Fig. 9 A), provide a kind of tactile cues to the user thus, promptly dial 20 has arrived the position of rotation of available precise figure identification.Though illustrated embodiment is shown having and corresponding 20 recesses 29 of 20 position of rotation (for example, the position reset is to " 19 "), can use the increment (and the ball bearing of corresponding size and recess) of arbitrary number.

Though can utilize dissimilar locking mechanisms or locking component, in one embodiment, locking mechanism comprise locking component (such as, ball, pin, support or other such parts), when with padlock the locking and unlocking, two the leg locking meshes that locking component is moved into respectively and links up with and the engagement that goes out of lock.Though can use many different locking components, in one embodiment, corresponding recess engagement is in the lock state to keep hook in locking ball member and the shackle legs.The engagement of these locking ball and two shackle legs can (for example) reduces padlock to knocking hook or to clog the sensitiveness of the unauthorized access due to the breech lock lockhole with the spoon sheet.According to another invention characteristics of the application, locking mechanism is arranged such as the as herein described pair of ball locking component, can be provided as self-contained (self-contained) sub-component, assembling or maintenance that it can (for example) auxiliary padlock.

In the illustrated embodiment, padlock 10 comprises locking sub-component 80, and locking sub-component 80 is configured to be installed in the lock body 50, between the leg of hook 40.Shown in Fig. 3 C, exemplary locking sub-component 80 comprises that it is self-contained sub-component that shell 81 is used to comprise these locking mechanism parts.Can will lock sub-component 80 by the post 87 that extends from shell 81 and be fixed in the lock 10, this post 87 meshes with the corresponding opening 97 of lock body 50 interior substrates 90.Locking component 83 in shell 81 (its possibility, but not necessarily be spherical component) aim at the opening 82 in the shell 81, and permission locking component 83 extends the engagement that is used for locking component 83 and hook 40 from this opening 82.Sub-component 80 also comprises and is placed in the plungers 85 between locking component 83 in the shell 81.The lower openings 84 that plunger 85 passes in the shell 81 is extended the engagement that is used for plunger 85 and cam 70,74,76.

Plunger 85 comprises the inclined surface with locking component 83 engagements.When locking mechanism was in the lock state, the periphery of one or more cam pushing plunger 85 upwards made the wide portions urge lock member 83 of plunger 85 outwards to be in a locking mesh with hook 40 in the cam 70,74,76.When locking mechanism was in released state, plunger 85 licensed extending into the recess 79 of cam 70,74,76 were meshed, and make the narrower part of plunger aim at lock part 83.This allows locking component 83 and hook 40 to break away from, and release shackle is to extract out from lock body 50.Locking sub-component 80 also comprises between plunger 85 and post 87 such as the such biasing member 88 of spring and to be used to push lock construction element 83 towards meshing with hook 40 so that plunger is biased in the latched position.Plunger 85 can extend in the upper opening 86 in the shell 81 and shown in Fig. 9 A and Fig. 9 B extraly, its also can stablize or alignment housings 81 in plunger 85.

Another inventive aspect according to the application, combination lock can possess cam misalignment or " upset (upset) " device, when linking up with (or other such breech lock) when turning back to lock-out state, it rotates to out-of-alignment state or lock-out state with one or more cam in the dial cam from the released state of aiming at.In one embodiment, in the time of in hook is withdrawn into lock body, the parts that are fitted together with hook groups are configured to one or more cam in engagement (directly or indirectly) dial cam, cause cam rotation or " climbing (scramble) " and break away from the released state of aiming at.In such embodiment, the upset device can be associated with shackle stop, and shackle stop fits together so that the long end of hook will be immobilizated in the lock body with long shackle legs.

In illustrated embodiment, shown in Fig. 8 A to 8C, when drawing back hook 40 the time, the long leg of shackle stop 45 and hook 40 fit together with fixing surface 54 (Fig. 3 E) engagement of lock body 50, separate with lock body 50 to prevent to link up with 40.Flip component 47 and shackle stop 45 fit together and are oriented to meshing outside bayonet lock or the latch 78 on the cam 76.In illustrated embodiment, flip component 47 is torsion springs.When drawing back hook 40 the time, flip component 47 with latch 78 engagement back rotations or crooked, allow the long end of flip component 47 and hook to move through latch 78.When linking up with 40 when backing in the lock body 50, (because the engagement between plunger 85 and the cam of flip component 47 and latch 78, latch 78 is maintained fixed) between engagement make flip component 47 distortion, keep thus nibbling between flip component 47 and the latch 78 be incorporated in flip component become be spring loaded and when abutting against latch in flip component 47 the stored energy of generation.When hook 40 arrived latched position, locking component 83 meshes hook 40 again and plunger 85 breaks away from cam 70,74,76, thereby makes spring-loaded flip component 47 apply revolving force so that cam 70,74,76 misalignment or upsets to cam 76.

Can provide extra device to combination padlock according to other inventive aspect of the application.As an example, light source can be located in the combination lock to illuminate the stationary plane of combination lock such as light emitting diode (LED).In such embodiment, stationary plane is located in the transparent or semitransparent material front portion of the face that illuminates to allow in padlock.As another example, lock can possess (for example) and be attached to the magnetic component of locking on the backboard, links on the locker will lock when it is unlocked.As another example, lock can be configured to by following scheme customization stationary plane: use the replacement panel of pattern with variation, profile, painted and texture or make lock be suitable for admitting in the back of transparent panel the dish of patterning.

Though describe and illustrated various inventive aspect of the present invention, notion and characteristics in this article, as implementing in combination in an exemplary embodiment, can in many alternate embodiments, use these various aspect, notion and characteristics, individually or with various combinations and its sub-portfolio.Unless clearly foreclose in this article, combination that all are such and sub-portfolio are expected in the category of the present invention.In addition, though may describe various alternate embodiments in this article about various aspects of the present invention, notion and characteristics, such as substitution material, structure, structure, method, circuit, device and member, software, hardware, control logic, substituting etc. of form, form, fit, and function, these describe expection is not the complete or detailed inventory of available alternate embodiment, no matter is at present known or development afterwards.Those skilled in the art can be easy in inventive aspect, notion or the characteristics one or more used in the extra embodiment and purposes in the category of the present invention, even these embodiment are open clearly in this article.In addition, even some characteristic of the present invention, notion or aspect can be described to preferred arrangements or method in this article, these descriptions do not show that these characteristics are needs or essential, unless clearly be set fourth as this situation.Can comprise that other exemplary or representative value and scope help understand present disclosure; But these values and scope do not think to have limited significance and neither key value or scope, unless clearly be set fourth as this situation.In addition, had invention or form part of the present invention though various aspects, characteristics and notion clearly are identified as in this article, these identification expections are not exclusiveness, but can have herein statement comprehensively but clearly be not identified as invention or inventive aspect, notion and the characteristics of concrete invention part.The description of exemplary method or process is not limited to comprise necessarily in all cases institute in steps, and the order of steps that also is not limited to be proposed is interpreted as necessary or needs, unless clearly be set fourth as this situation.

Claims (25)

1. combination lock, it comprises:

Lock body, the peripheral wall that it has front side and rear side and extends to rear side from the front side, wherein the front side of lock body comprises stationary plane, stationary plane has one or more position of rotation mark;

Hook, it has long leg and short-leg, and long leg and short-leg are receivable in the lock body in the corresponding first hook opening and the second hook opening and are can be in the axial direction mobile between advanced position and extended position, and short-leg is extracted out from lock body when being in extended position;

Locking mechanism, it can move between lock-out state and released state, and wherein when locking mechanism was in released state, hook can move to extended position from advanced position; And,

Dial, it is fixed to the front side of lock body, this dial comprises outer ring portion and latch mechanism engages part, outer ring portion is surrounded the lock body face and can be rotated with respect to face, latch mechanism engages partly is placed between the face and rear side of lock body, and wherein dial makes locking mechanism move to released state from lock-out state to the continuous rotation of a series of one or more predetermined rotational positions.

2. combination lock according to claim 1, wherein locking mechanism also comprise a plurality of can be round the cam of post rotation, each cam in its cam permits this locking mechanism to move to released state to the rotation in release orientation.

3. combination lock according to claim 2, wherein dial can be round the central axis rotation that separates with intercolumniation.

4. combination lock according to claim 2, each cam in wherein a plurality of cams comprise with corresponding wheel hub of taking turns interlocking and are used for rotating mutually thereupon.

5. combination lock according to claim 4, it also comprises the cam member that is placed in the lock body, cam member is configured to be pivoted to the state of reseting by insertion instrument in lock body from normal condition, moving axially a plurality of the wheel and the interlocking engagement of disengaging and corresponding wheel hub, take turns position of rotation with respect to corresponding wheel hub thereby make dial rotation subsequently optionally adjust in a plurality of wheel the each along post.

6. combination lock according to claim 4, it also comprises the cam member that is placed in the lock body, cam member can be pivoted to the state of reseting round post from normal condition moving axially a plurality of the wheel and the interlocking engagement of disengaging and corresponding wheel hub along post, takes turns position of rotation with respect to corresponding wheel hub thereby make dial rotation subsequently optionally adjust in a plurality of wheel the each.

7. combination lock according to claim 1, wherein locking mechanism also comprises sliding component, sliding component has inclined surface, corresponding breach was in a locking mesh during inclined surface was configured to keep locking component and link up with when sliding component is in latched position, and also was configured to allow when sliding component is in the unlocked position locking component to break away to permit this hook to move to extended position from advanced position from hook.

8. combination lock according to claim 7, wherein also comprise can be round a plurality of cams of post rotation for locking mechanism, wherein when each cam in the cam rotates to the release orientation, be placed in a plurality of cams the release device on each cam and aim at sliding component to permit this sliding component to move to unlocked position from latched position.

9. combination lock according to claim 1, wherein the lock body face comprises the panel on the middle body that is fixed to lock body.

10. combination lock, it comprises:

Lock body;

Hook, it has long leg and short-leg, and long leg and short-leg are receivable in the lock body in the corresponding first hook opening and the second hook opening and are can be in the axial direction mobile between advanced position and extended position, and short-leg is extracted out from lock body when being in extended position;

Locking mechanism, it is placed in the lock body, locking mechanism comprises locking component and a plurality of intermeshing wheel hub that is used for the locking mesh hook, each wheel hub and the corresponding interlocking of taking turns are in order to rotate mutually round post thereupon, wherein take turns when rotating to the release orientation, permit this locking component to break away from hook to permit this hook to move to extended position from advanced position when in a plurality of wheel the each;

Dial, it is fixed on the lock body optionally to rotate a plurality of wheel hubs; And,

Cam member, it is placed in the lock body, cam member is configured to by instrument being inserted in the lock body and is pivoted to the state of reseting from normal condition, a plurality ofly taking turns disease and to make it to break away from interlocking engagement with corresponding wheel hub moving axially, take turns position of rotation with respect to corresponding wheel hub thereby make the therefore rotation subsequently of dial optionally adjust in a plurality of wheel the each along post.

11. combination lock according to claim 10, its cam member can pivot round post.

12. combination lock according to claim 11 wherein is pivoted to when reseting state when cam member, the intermeshing surface of lock body and cam member is along post translating cam member in the axial direction.

13. combination lock according to claim 12, wherein the intermeshing surface of lock body comprises one or more caking, and the intermeshing surface of cam member comprises inclined surface.

14. can pivoting round the edge of cam member, combination lock according to claim 10, its cam member one of take turns engagement in the axial direction the cam portion of cam member is moved into a plurality of.

15. combination lock according to claim 10, its cam member are configured to be pivoted to the state of reseting by instrument being inserted in the second hook opening from normal condition when hook when being in extended position.

16. combination lock according to claim 15, it also comprises barrier, and barrier is placed in the lock body and links up with between the tool engagement part of opening and cam member second, and barrier has opening, and the size of this opening allows to insert the instrument of authorizing.

17. a combination lock comprises:

Lock body;

Hook, it has long leg and short-leg, and long leg and short-leg are receivable in the lock body in the corresponding first hook opening and the second hook opening and are can be in the axial direction mobile between advanced position and extended position, and short-leg is extracted out from lock body when being in extended position;

Locking mechanism, it is placed in the lock body, this locking mechanism comprises locking component and a plurality of intermeshing wheel hub that is used for the locking mesh hook, each wheel hub and the corresponding interlocking of taking turns are used for rotation mutually around enclosing post thereupon, wherein take turns when rotating to the release orientation, permit this locking component to break away from hook to permit this hook to move to extended position from advanced position when in a plurality of wheel the each;

Dial, it is fixed to and is used for optionally rotating a plurality of wheel hubs on the lock body; And,

Cam member, it is placed in the lock body, this cam member can be pivoted to the state of reseting round post from normal condition moving a plurality of interlocking engagement of taking turns and making it to break away from corresponding wheel hub in the axial direction along post, so the rotation subsequently of dial is optionally adjusted in a plurality of wheel the each and taken turns position of rotation with respect to corresponding wheel hub.

18. being configured to by instrument being inserted in the lock body, combination lock according to claim 17, its cam member be pivoted to the state of reseting from normal condition.

19. combination lock according to claim 17 wherein is pivoted to when reseting state when cam member, the intermeshing surface of lock body and cam member is moving axially cam member along post.

20. combination lock according to claim 19, wherein the intermeshing surface of lock body comprises one or more caking, and the intermeshing surface of cam member comprises angled recess.

21. a combination lock, it comprises:

Lock body;

Hook, it has long leg and short-leg, and long leg and short-leg are receivable in the lock body in the corresponding first hook opening and the second hook opening and are can be in the axial direction mobile between advanced position and extended position, and short-leg is extracted out from lock body when being in extended position;

Locking mechanism, it is placed in the lock body, and this locking mechanism comprises:

Locking component;

Sliding component, it has inclined surface, corresponding breach was in a locking mesh during inclined surface was configured to keep locking component and link up with when sliding component is in latched position, and also was configured to allow when sliding component is in the unlocked position locking component to break away from hook to permit this hook to move to extended position from advanced position; And,

Can be round a plurality of cams of post rotation, each cam in wherein a plurality of cams is rotated to the release orientation, is placed in a plurality of cams the release device on each cam and aims at sliding component to permit this sliding component to move to unlocked position from latched position; And,

Dial, it is fixed to and is used for optionally rotating a plurality of cams on the lock body.

22. combination lock according to claim 21, it also comprises the flip component that fits together with the long leg of linking up with, flip component is configured to be spring loaded when extended position moves to advanced position and abut against a cam a plurality of cams when hook, thereby spring-loaded flip component is given revolving force so that a plurality of cams are spun out from the release orientation to one of a plurality of cams when hook arrival advanced position.

23. combination lock according to claim 21, wherein when sliding component was in the unlocked position, sliding component was configured to that a plurality of cams are fixed in the release orientation and turns back to advanced position up to hook.

24. combination lock according to claim 21, it also comprises locking sub-component shell, and it is self-contained locking sub-component that locking sub-component shell is configured to locking component and sliding component fixing.

25. a combination lock comprises:

Lock body;

Hook, it has long leg and short-leg, and long leg and short-leg can be accepted in the corresponding first hook opening in the lock body and the second hook opening and move between advanced position and extended position in the axial direction, and short-leg is extracted out from lock body when being in extended position;

Locking mechanism, it is placed in the lock body, locking mechanism comprise be used for locking mesh be in advanced position hook locking component and can be round a plurality of cams of post rotation, wherein, each cam in the cam permits this hook to move to extended position to the rotation in release orientation, and a plurality of cams are fixed in the release orientation and turn back to advanced position up to hook;

Dial, it is fixed to and is used for optionally rotating a plurality of cams on the lock body; And,

The flip component that fits together of long leg with hook, flip component is configured to be spring loaded when extended position moves to advanced position and abut against a cam a plurality of cams when hook, thereby spring-loaded flip component is given revolving force so that a plurality of cams are spun out from the release orientation to one of a plurality of cams when hook arrives advanced position.

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