CN1800573B - Self-adjusting cam assembly - Google Patents
Self-adjusting cam assembly Download PDFInfo
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- CN1800573B CN1800573B CN 200510063868 CN200510063868A CN1800573B CN 1800573 B CN1800573 B CN 1800573B CN 200510063868 CN200510063868 CN 200510063868 CN 200510063868 A CN200510063868 A CN 200510063868A CN 1800573 B CN1800573 B CN 1800573B
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Abstract
An alarm assembly is adapted for ease of assembly. A mortise cylinder has an exterior end and an interior end. The mortise cylinder has a tailpiece on the interior end and is rotatable about an axis. A cam engages the tailpiece on the mortise cylinder to provide selective movement of the cam responsive to rotation of the mortise cylinder. A housing secures the mortise cylinder and cam relative to one another and to a wall or door. A biasing member is disposed between the housing and cam for urging the cam into engagement with the tailpiece of the mortise cylinder, wherein variations in the length of the mortise cylinder can be accommodated.
Description
The requirement of priority
It is the priority of 60/560809 U.S. Provisional Patent Application that the application requires application number, this U.S. Provisional Patent Application is to file an application with the name of Josh Pierson and Gilbert Lombardo, title is " self-adjusting cam assembly (Self-Adjusting Cam Assembly) ", file an application on April 8th, 2004, and this U.S. Provisional Application is included in herein as a reference.
The coherent reference application
The application also relate to unexamined simultaneously U.S. Patent application, this patent application title is " maintaining body of mortise cylinders (Retaining Mechanism for Mortise Cylinders) ", propose simultaneously with the application, the application number that it has required on April 8th, 2004 to propose is the priority of 60/560651 U.S. Provisional Patent Application.
Technical field
Relate generally to door lock assembly of the present invention and alarm mechanism have wherein been used key cylinder or mortise cylinders (keyed or mortise cylinder).More particularly, the present invention relates to a kind of novel apparatus, this device fixedly mortise cylinders of warning device shell that is used for reporting to the police.
Background technology
In general, report to the police alert device, emergency set and other locking system of door lock, outlet all used mortise cylinders, and this mortise cylinders is normally put into key that the rotatable key cylinder part of mortise cylinders operates.These devices often are installed on wall or the door.For minimized size, locking device and warning device must be compact.This structure and assembling to these devices brings many difficulties.
Usually, warning device or locking device comprise a plate (or lid), and alarm or lock and mortise cylinders that this plate will be arranged on wherein cover.One support is fixed on the inside of this plate.This support and plate cooperation form the shell of mortise cylinders and alarm.The typical case of this shell installs and finishes by mounting screw.Mortise cylinders normally is fixed on the support by a hex nut and the screw-threaded engagement that is formed on this mortise cylinders outside.Key and corresponding spoon groove and fixed screw are that mortise cylinders is fixed on the shell to prevent the method for mortise cylinders rotation.
, mortise cylinders carefully must be located in the enclosure relative to one another with relevant cam, between erecting stage at alarm to guarantee the suitable engagement between mortise cylinders and the cam.Therefore, because the complex installation configuration, it will be difficult operating the assembling of finishing alarm reliably.
In addition, in common application, exist various mortise cylinders length.Specifically, 5 pins, 6 pins and 7 pin mortise cylinders are arranged, these mortise cylinders have different length.Therefore, when assembling, regulate according to the length of mortise cylinders.These are regulated needs a large amount of work and know-how.
For fear of some this class problems, carried out the shortcoming that traditional locks and alarm are handled in many trials.Some examples of these trials will be listed and discuss below.
The U.S. Pat 5,335,520 that is presented to Lee discloses a kind of flat lock system, and this system is not easy to take, and particularly, in this lock system, does not allow rotating cylinder (tumbler) pivotally to rotate with respect to mortise cylinders.This system is made of a cylinder, a rotating cylinder and several ring and spring.This cylinder has an inner surface, and this inner surface is provided with a plurality of muscle that separate, and these muscle form a plurality of passages, and these passages extend on the direction vertical with the length of this cylinder.This rotating cylinder is made up of a disk that forms a keyhole, and it and a key receiver and a latch carrier are integrally formed.Described ring and spring alternately are installed on the key receiver.Each ring has an outward flange and an inward flange, and wherein outward flange has a plurality of lugs, and inward flange has a plurality of arms.The purpose of these springs is in order to encircle bias voltage to disk, so that will be blocked in from the lug of ring upper process the passage between the rib.When key is inserted the key receiver, promote arm on the ring at the convex shoulder that forms on the key, so that be aligned in the passage that forms between these ribs, make rotating cylinder and latch become the rotor rotation from the lug of ring upper process.
The U.S. Pat 5,265,453 that is presented to people such as Konii discloses the cylinder lock of a kind of anti-damage and destruction.This lock comprises that is arranged on axial cam, a retainer and the axle spring that is used for and engage sleeves and the rotor that contacts with axial cam, an adjacent rotor setting on the key cylinder, wherein said rotor have a pair of can with the projection of the engagement of shell, be used for and can resiliently retainer be pushed between the connector of rotor and described spring is arranged on described retainer and one.When correct key inserted, sleeve rotated independently, and described rotor and retainer are axially moved by axial cam, thereby rotor and sleeve are broken away from, and retainer is broken away from from shell.Described key cylinder, rotor, retainer and connector rotate to locked position or open position as a unit.
The U.S. Pat 4,759,204 that is presented to Neyret discloses a kind of locking mechanism, and this locking mechanism is configured to improve safety, prevents to force rotation in particular.This locking mechanism by one have the shell in hole, a sleeve and the rotor in this hole is formed, this rotor is installed in the sleeve in rotatable mode and axially slides in sleeve.This rotor has the key of longitudinal extension.Axially between second disengaging configuration of first resting position and correct key insertion generation, slide in the described hole of piston in described sleeve and rotor, in described first resting position, described sleeve and rotor link together so that rotation simultaneously, and at second disengaging configuration, described sleeve and rotor are separately.When key moved, spring pushed back described piston and rotor to described resting position.
The U.S. Pat 4,759,204 that is presented to Weber discloses a kind of cylinder lock, is a kind of steering-wheel lock that is used for motor vehicles specifically.This lock comprises a locking plate, and this locking plate can parallelly move with respect to self, and can move axially on the jut of cylinder hole, and this locking plate also meets at right angles with the axle of locking.When described locking plate only needs to slide when moving relative to cylinder hole, locking plate can be installed very securely, and needn't rotate relative to described cylinder hole.Thereby " preparation-pinning-position " of fastening device or transmission parts can be owing to the inclination or the rotation of locking plate be cancelled, but can be individually movement canceling by vertically.And cylinder lock is connected with a cam, and this cam forms the bearing surface of locking plate.When inserting correct key, the tapered auger compression spring that extends axially on the part that is arranged on described cylinder hole promotes locking plate on the direction of cam.
The U.S. Pat 4,573,334 that is presented to Crepinsek discloses a kind of lock of dead bolt, and this lock is adjustable for installing on the door of different-thickness.This lock is the improvement of dead bolt type, and such lock is installed on the door, and has a lock main body with holes, and this lock main body provides secure way to stretching out with retraction mechanism of dead bolt.This improvement comprises non-adjusting and the device that non-rotatably is installed in the hole of lock main body coupled together, and extends the external boundary that the distance of selecting in advance surpasses described hole, so that just be large enough to hold the thickness of a particular door.Yet the shortcoming of Crepinsek is, here the self-adjusting system to depth bounds that is not provided with according to the thickness of door.Therefore, Crepinsek required before installing chosen distance in advance.
The U.S. Pat 4,359,886 that is presented to Evans etc. relates to cylinder type key lock and locking device, and these devices conform with environment ground and expose.This patent disclosure a kind of key mortise cylinders, this mortise cylinders is used for the environment that may pollute.This mortise cylinders is the key of operation rotor core cylinder lock, described cylinder lock has a plurality of rotating disk rotating cylinders, these rotating disk rotating cylinders are arranged in the unit with pad between two parties in the rotor core sleeve, and this rotor core sleeve utilizes that a snap bar is contrary to be supported in the described lock shell rotatably.
The United States Patent (USP) 4,196,605 that is presented to Garza relates to the improvement of tumbler pin type cylinder lock, and this cylinder lock is provided with safety device so that reduce the possibility of ineffectually prying open or abandoning locking.This patent disclosure a kind ofly have axially or axially and the tumbler pin type cylinder lock that moves radially.This cylinder can with respect to the lock enclosure axis to or axially and move radially.Moving axially of mortise cylinders is to be produced by spring assembly---a spiral compression spring promotes the front end of cylinder to the lock shell consistently, and when inserting correct key, this spring will be against the mobile cylinder of the promotion of spring.
The United States Patent (USP) 4,077,240 that is presented to Crasnianski discloses a kind of cylinder type lock, and this lockset has a stator, and this stator has the rotor and the thin slice that are started by flat key.Described rotor comprises unfixed thin slice and the device that is used to guide described flat key, this thin slice can radially and angularly move, and this device guiding flat key is crossed whole access path and is entered this rotor, and the possibility that does not have any sidesway or move radially.Owing to key discharges this thin slice against the result who is applied to epitrochanterian pressure that the effect of spring produces.
The U.S. Pat 3,724,244 that is presented to Schaumburg discloses a kind of lock, and this lock has started the anti-robber's device that is mainly used in automobile.Keyhole direct proximity partly at lock is provided with roller system.The operation of key causes the internal displacement of cylinder, and this displacement causes that other latching segment enters locking states, when key is all removed from locking, has established locking states here fully.
The U.S. Pat 3,382,688 that is presented to Wellekens discloses a kind of lock that is used for machine for selling etc.This lock is made up of a plurality of concentric sleeves that are nest relation, outmost here sleeve has constituted a lock shell, the sleeve of inner face plays a part locking device, latch of this locking device control, and middle sleeve is connected with sleeve inside by a rotatable cup, this rotatable cup has a flank, below this flank, advances latch so that sleeve is finished nested.When latch left, a spring advanced inside and the intermediate sleeve and the disengaging of outmost sleeve of connection partly.
The U.S. Pat 3,089,329 that is presented to Kerr discloses a kind of warning device that is used for freezing kitchen cabinet etc.This device has pulling warning device and the connection cam between handle and pulling support of being close to handle by one and constitutes.This connection considers that closing operating period at door exists a definite driving force between handle and pulling support, but allow close operation finish after the limited ground of handle oppositely move.
The U.S. Pat 3,026,385 that is presented to Davis etc. relates to a kind of push-button controller of improvement with locking device.This patent disclosure a kind of push-button operating mechanism, this mechanism comprises that a tube-like envelope, one are installed in and is used for action button, a lock barrel that is installed in the outer end of described action button of moving mutually in the described shell that this lock barrel can rotate when correct key inserts.When on the position that stretches out of action button at it, described lock barrel can be with respect to position rotation, and when described action button inwardly pressed down, this lock barrel can rotate with respect to the another location.When described key inserted, a torsion spring promoted described lock barrel rotation, thereby causes that action button is from the variation of depressed position to extended position.
Although still there is multiple shortcoming here in the multiple trial that these improve lock.Therefore, have a kind of needs for alarm and locking device, have traditional mortise cylinders of empennage with a kind of at its far-end, this will reduce the quantity of part in the device, but also can be reduced at the installation on door or the wall.
Summary of the invention
General purpose of the present invention provides a kind of warning or locking device, this device suitable assembling and dependable performance easily.This and other purpose of the present invention can be finished by a mortise cylinders with rotatable key cylinder is provided.This rotatable key cylinder has an outer end and the inner.This outer end can admit a key that is used to operate maybe can have a knob.This inner has an empennage and can as one man rotate with the key of outer end or the rotation of knob.Cam and empennage engagement on mortise cylinders, thus provide the selectivity of cam to move, and this selectivity moves the rotation of the key cylinder of response in mortise cylinders.
One shell is fixed relative to one another and be fixed on door or the wall with mortise cylinders and cam.An offset component is arranged between described shell and the cam, is used for the empennage that cam is pushed to mortise cylinders is meshed securely, and wherein said offset component can be regulated the distance between the empennage of described cam and mortise cylinders the inner.
According to a preferred embodiment of the invention, described shell also comprises a plate and a support, and wherein this plate can be fixed on the wall or door is gone up and mortise cylinders is extended through, and described support is fixed on the described plate and support cam with rotation.
According to a preferred embodiment of the invention, described offset component is arranged on the helical spring between this holder part and the cam.
According to a preferred embodiment of the invention, described support comprises a pair of surface relative, almost parallel, and one of them surface has the hole of the part of the described mortise cylinders of an admittance.Described cam is arranged between two surfaces.Described helical spring is arranged on cam and and has between the surperficial facing surfaces in hole.
In order to understand following detailed description of the present invention better, aforementioned feature of the present invention and the technological merit summarized quite widely.Other features and advantages of the present invention will be described below, and these feature and advantage have formed the theme of claim of the present invention.
Description of drawings
Fig. 1 is the elevation of a door, and this has comprised the warning device in the preferred embodiments of the present invention.
Fig. 2 is the part decomposition diagram of the warning device of Fig. 1.
Fig. 3 is the part decomposition diagram of the warning device of Fig. 1 of illustrating from the negative.
Fig. 4 is the decomposition diagram of the part of the warning device shown in Fig. 2 and 3.
Fig. 5 is the decomposition diagram of another part of the warning device of Fig. 2 and 3.
Fig. 6 is the decomposition diagram of another part of the warning device of Fig. 2 and 3.
Fig. 7 is the assembling drawing of Fig. 2 to the described part of the warning device of Fig. 6.
Fig. 8 A, 8B and 8C are the part elevations, and the operation according to the warning device of the embodiment of choosing of the present invention is shown.
The specific embodiment
In the following discussion, a plurality of concrete details have been illustrated, so that complete understanding of the present invention to be provided.Yet, it will be apparent to those skilled in the art that do not have these concrete details also can realize the present invention.In order not obscure the present invention on some unnecessary details, in other occasion, well-known element illustrates with the form of calcspar.
It is in order to make any technician in this area can make and use the present invention that following explanation is provided, and following explanation is provided under the situation of application-specific and requirement thereof.It is significantly to those skilled in the art that the disclosed embodiments are carried out various improvement, and the rule that limits in this article can be used for other embodiment and application under the situation that does not break away from the spirit and scope of the present invention.Therefore the embodiment shown in the invention is not restricted to, but meet and principle disclosed herein and feature the wideest consistent scope.
Fig. 1 is the elevation that comprises the door of the locking device that choosing of the present invention implements.As shown in Figure 1, Reference numeral 1 expression door.And door 1 is connected with hinge with wall 2.Warning device 111 is fixed on the wall 2, thereby by in the key cylinder 113A of mortise cylinders 113, inserting and rotating correct key and report to the police.
As seen at the exploded view of Fig. 2 and 3, warning device 111 partly comprises mortise cylinders 113, lid or plate 115, warning acoustical generator 119, support 117, cam 131 and helical spring 141.As shown in Figure 1, lid 115 is arranged to be connected with wall 2, and is arranged to so that keep warning acoustical generator 119 and mortise cylinders 113.Warning acoustical generator 119 can comprise emergency function that audible annunciator, noiseless alarm, light visible alarm, device or other electricity start or these combination.Support 117 utilizes screw 124 fixing facing to mortise cylinders 113.
As shown in Figures 2 and 3, mortise cylinders 113 is general traditional lock cylinders, also comprises key cylinder 113A, and this key cylinder 113A operationally rotates when inserting correct key.Key cylinder 113A and extend through the length of mortise cylinders 113 withdraws from the inner with the form of empennage 113B.Frequently, empennage 113B is because its shape is called as " bowling pin (bowling pin) ".On function, empennage 113B is a cam surface, and this cam surface is the same with the rotation of key or knob to be rotated, and the key cylinder 113A of this key or knob rotation mortise cylinders 113.When being fully assembled, empennage 113B operatively is arranged in support 117.
With reference now to Fig. 4,5,6 and 7,, in these figure, can see the phantom drawing of the part of the warning device in Fig. 2 and 3 111 according to the preferred embodiment of the invention.Support 117 keeps cam 131, helical spring 141 and sensor-triggered device 171.Selectively, second cam 161 can be connected with the back side of support 117.Specifically, cam 131 is arranged in the support 117 in rotatable mode, and bias voltage helical spring 141.The combination of cam 131 and helical spring 141 fixes by pin 151, and this pin 151 is connected on the support 117.Second cam 161 also is fixed on the cam 131 so that common rotation.In addition, sensor-triggered device 171 is positioned on the upper surface of support 117.
With reference to figure 8A, 8B and 8C, these partial elevational have illustrated the operation of the warning device 111 of the preferred embodiment of the present invention.The key cylinder 113A of rotation mortise cylinders 113, thereby rotation empennage 113B.Empennage 113B and cam 131 engagements, and cam 131 is in pin 151 rotations.Optionally mesh with sensor-triggered device 171 neighboring of cam 131, thus equipment or releasing warning acoustical generator 119.
Fig. 8 A shows the warning device 111 at disengaging configuration.Fig. 8 B show the centre position still be in warning device 111 under the non-equipment state, wherein sensor-triggered device 171 is at first by cam 131 contacts.Fig. 8 C shows the warning device 111 under equipment state, its cam 131 fully and sensor-triggered device 171 engagement, and sensor-triggered device 171 has turned on the warning acoustical generator 119 of equipment.As shown in the figure, formed brake (detent) in the end of groove, pin 151 extends through the just indication of these grooves with position that empennage 113B is provided.The operation of preferred embodiment
With reference now to accompanying drawing,, Fig. 1 particularly, Fig. 1 have shown and have comprised the elevation that is installed in the door 1 of the warning device 111 on the wall 2 of the present invention.Visible just the most approaching end or outer end and lid or the plate 115 of the key cylinder 113A of the mortise cylinders 113 of warning device 111 in Fig. 1.
Referring to figs. 2 and 3, Fig. 2 and Fig. 3 show the decomposition diagram of part warning device 111 front and backs respectively, wherein do not have wall 2.Such as previously mentioned, warning device 111 comprises traditional mortise cylinders 113, and this mortise cylinders 113 is fixed in the hole of lid or plate 115.In an illustrated embodiment,, warning device 111 connected same alarm uses together, wherein use key cylinder 113 to start an alarm sensor only with way of example.Though used term " cylinder ", and most of mortise cylinders also is columniform, cylinder of the present invention structurally needs not to be cylinder.Equally, though show a kind of key mortise cylinders (with key operated), the present invention can be used for dead bolt (deadbolt) and not with the locking device of key.
According to a preferred embodiment of the invention, support 117 is the U-shaped of reversing, has two parallel, relative plate or faces substantially, and one of them has a hole, and the size in this hole is made so that admit the end of mortise cylinders 113.Support 117 is fixed on the plate 115 by pair of screws 124, and support 117 fixed cam 131, thereby makes the key cylinder 113A rotation of cam 131 with mortise cylinders 113.To shown in Fig. 8 C, cam 131 receivability ground and empennage 113B mesh as Fig. 8 A.
Shown in the exploded view of Fig. 4, helical spring 141 or other offset component are arranged in the support 117, and mesh with cam 131.By motion between the aft section (with respect to plate 115) of support 117 and cam 131, with cam 131 forward (still with respect to plate 115) promote and with the empennage 113B engagement of mortise cylinders 113.Therefore, spring 141 or offset component " have occupied " any allowable variation or " surplus (slop) " on the distance between the respective surfaces of empennage 113B and cam 131.This has just been avoided and need carefully install, regulates and fill out pad to the warning device 111 of the preferred embodiment of the present invention.A pair of pin 151 has been fixed cam 131 so that it rotates in support 117.In this preferred embodiment, spring 141 also is limited in the circular trough of cam 131, so that be blocked between cam 131 and support 117 rear portions in assembling rear spring 141.
Fig. 5 and 6 shows other element of bracket component 117, and these elements do not plan to be used as part of the present invention, and only as environment.Selectable second cam 161 can be fixed on the back plate of support, and partly start sensor trigger or cam pack 171.Second cam 161 can mesh with auxiliary lock or bolt mechanism, so that equip and remove warning acoustical generator 119 from the opposite side of door 1 and wall 2.In addition, alarm apparatus 111 of the present invention uses with warning system (as shown) and traditional latch lock; Shown warning acoustical generator 119 only is for preferred embodiment is described.
Fig. 7 shows support 117, and this support 117 assembles with the cam 131 and the spring 141 that are arranged on wherein fully, and fixing with pin 151.Spring 141 at Fig. 7 by hidden invisible.Second cam 161 and sensor-triggered device 171 also are shown with support 117 and are assembled together.
Fig. 8 A, 8B and 8C show the warning device 111 of the preferred embodiments of the present invention under mode of operation.Key cylinder 113A has represented the internal locking mechanism of mortise cylinders 113.Utilize the effect screw key cylinder 113A of correct key or knob, empennage 113B has been rotated in the effect of this key or knob.Helical spring 141 compression ground are between a side and cam 131 of support 117.Thereby cam 131 is displaced to the opposite side of support 117 along plate 115 directions.The skew of cam 131 is positioned to cam 131 to be desirable position relation with the empennage 113B of mortise cylinders 113.
One side of empennage 113B and cam 131 or opposite side (only illustrating and the corresponding side of turning clockwise of key or knob) engagement, cam 131 (with cylinder 113) is around pin 151 rotations.Optionally mesh with sensor-triggered device 171 neighboring of cam 131, and the peripheral shift-in of cam 131 is overlapped or contacts and shift out not with its coincidence or contact with the switch sections of alarm generator 119, thus equipment or contact warning acoustical generator 119.Fig. 8 A shows the warning device 111 at disengaging configuration.Fig. 8 B has shown the warning device 111 in the centre position, and under this state, sensor-triggered device 171 is initially by cam 131 engagements.
Fig. 8 C has shown that under this state, cam 131 meshes with sensor-triggered device 171 fully at the complete warning device 111 of the position of engagement, this sensor-triggered device 171 has been equipped (or releasing) warning acoustical generator 119.As in Fig. 8 C as seen, form little brake or short and small protuberance in the end of groove, and pin 151 passes this groove and extends so that the just indication of the position (keyed position) to mortise cylinders 113 to be provided, thereby kept the equipment state of warning acoustical generator 119.
Warning device of the present invention 111 is for prior art, and its major advantage is, assemble it than traditional warning and locking device have still less adjusting and higher reliability.Mortise cylinders 113 traditional and that obtain easily is attached to warning device 111 requires safe and reliable engagement between empennage 113B and the cam 131.
Because empennage 113B do not stretch out away from traditional mortise cylinders 113 in fact, so in the warning device 111 of compactness, provide safe and reliable engagement to require accurate usually and exper ienced assembling and utilize spacing washer.Engagement reliably between empennage 113B and the cam 131 has been guaranteed in the skew effect of spring 141, and no matter the minor variations of the mounting distance between them.
Describe the present invention with reference to preferred embodiment, the present invention not therefore is restricted, and under situation about not departing from the scope of the present invention with spirit, allows alignment to change and revises.
So, the present invention has been described with reference to some embodiments of the present invention, it should be noted that, disclosed embodiment is in order to illustrate rather than in essence restriction, and to aforementioned disclosed content change, modification, change and replacement be expected, in addition, in some instances, can use features more of the present invention and the not corresponding further feature that utilizes.Many such variations and revising can be thought to those skilled in the art on the basis of the explanation of looking back aforementioned preferred embodiments obviously and can expect.Therefore, use with the consistent mode of scope of the present invention explain widely appended what is claimed is suitable.
Claims (8)
1. locking device comprises:
Mortise cylinders, this mortise cylinders has rotatable key cylinder, and this key cylinder has outer end and relative the inner;
Empennage on described the inner;
Cam, this cam are used for moving with the selectivity that described cam is provided with described empennage engagement, and this moves the rotation in response to described key cylinder;
By described cam-actuated sensor-triggered device, this sensor-triggered device is communicated by letter with alarm;
Shell, this shell is fixing relative to one another with described mortise cylinders and cam; And,
Offset component, this element is arranged between described shell and the cam, so that promote described cam and the engagement of described empennage, wherein said offset component can be regulated the distance between described cam and the empennage.
2. locking device according to claim 1, wherein, described shell also comprises:
Plate, this plate can be fixed on wall or the door, and this plate can make described mortise cylinders extend through this plate; And
Support, this support is fixed on the described plate, and this bracket supports cam is so that cam rotation, and wherein, described offset component is arranged on the part of described support and the helical spring between the described cam.
3. locking device according to claim 2, wherein, described support comprises a pair of relative, parallel surface substantially, one of them surface has the hole of the described mortise cylinders part of an admittance, described cam is arranged between these two faces, and described helical spring is arranged on described cam and and has between the surperficial facing surfaces in hole.
4. locking device according to claim 1, wherein, described cam activates described sensor-triggered device to start described alarm in response to the rotation of described key cylinder.
5. locking device according to claim 2, wherein, described helical spring is limited in the circular trough of described cam partly.
6. locking device comprises:
Mortise cylinders, this mortise cylinders has rotatable key cylinder, and this key cylinder has outer end and relative the inner;
Empennage on described the inner;
Plate, this plate is used to admit the inner of described mortise cylinders, and described outer end extends through this plate;
Support, this support is fixed described mortise cylinders with respect to described plate, allow key cylinder to rotate with respect to described plate simultaneously;
By the cam of described bracket supports, this cam is used for moving with the selectivity that described cam is provided with described empennage engagement, and this selectivity moves the rotation in response to described key cylinder;
By described cam-actuated sensor-triggered device, this sensor-triggered device is communicated by letter with alarm; And,
An offset component, this element is arranged between described support and the cam, so that promote described cam and the engagement of described empennage, wherein said offset component can be regulated the distance between described cam and the empennage.
7. locking device according to claim 6, wherein, described support comprises a pair of relative, parallel surface substantially, one of them surface has the hole of admitting a described mortise cylinders part, described cam is arranged between these two faces, and described offset component be arranged on described cam and and have between the surperficial facing surfaces in hole, described offset component is a helical spring.
8. locking device according to claim 6, wherein, described cam activates the described sensor-triggered device of communicating by letter with described alarm in response to the rotation of described key cylinder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56080904P | 2004-04-08 | 2004-04-08 | |
| US60/560,809 | 2004-04-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1800573A CN1800573A (en) | 2006-07-12 |
| CN1800573B true CN1800573B (en) | 2010-06-16 |
Family
ID=35206769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510063868 Active CN1800573B (en) | 2004-04-08 | 2005-04-07 | Self-adjusting cam assembly |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1800573B (en) |
| CA (2) | CA2808699C (en) |
| MX (1) | MXPA05003656A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590664B (en) * | 2013-11-21 | 2016-01-13 | 东莞市锁之道科技有限公司 | A kind of door lock alarm control unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624120A (en) * | 1985-09-18 | 1986-11-25 | Van Duprin, Inc. | Key-operated, exit alarm, switch cam assembly and modification kit and modification method for switch cam assemblies |
| US4926670A (en) * | 1989-02-27 | 1990-05-22 | Major Lock Supply Inc. | Extension for mortise cylinder |
| CN2096606U (en) * | 1991-01-07 | 1992-02-19 | 贾炳山 | Safety lock |
| CA2065671A1 (en) * | 1991-04-15 | 1992-10-16 | Wayne E. Hopkins | Mortise lock |
| US5884512A (en) * | 1997-12-04 | 1999-03-23 | Wayne; Kenneth | Multi-use lock housing and cylinder |
-
2005
- 2005-04-06 CA CA2808699A patent/CA2808699C/en active Active
- 2005-04-06 CA CA2503683A patent/CA2503683C/en active Active
- 2005-04-06 MX MXPA05003656 patent/MXPA05003656A/en active IP Right Grant
- 2005-04-07 CN CN 200510063868 patent/CN1800573B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624120A (en) * | 1985-09-18 | 1986-11-25 | Van Duprin, Inc. | Key-operated, exit alarm, switch cam assembly and modification kit and modification method for switch cam assemblies |
| US4926670A (en) * | 1989-02-27 | 1990-05-22 | Major Lock Supply Inc. | Extension for mortise cylinder |
| CN2096606U (en) * | 1991-01-07 | 1992-02-19 | 贾炳山 | Safety lock |
| CA2065671A1 (en) * | 1991-04-15 | 1992-10-16 | Wayne E. Hopkins | Mortise lock |
| US5884512A (en) * | 1997-12-04 | 1999-03-23 | Wayne; Kenneth | Multi-use lock housing and cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2808699A1 (en) | 2005-10-08 |
| CA2808699C (en) | 2014-06-10 |
| MXPA05003656A (en) | 2005-10-20 |
| CN1800573A (en) | 2006-07-12 |
| CA2503683C (en) | 2013-06-04 |
| CA2503683A1 (en) | 2005-10-08 |
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