CN105321753A - Method for producing a push-button compact component - Google Patents
Method for producing a push-button compact component Download PDFInfo
- Publication number
- CN105321753A CN105321753A CN201510354591.7A CN201510354591A CN105321753A CN 105321753 A CN105321753 A CN 105321753A CN 201510354591 A CN201510354591 A CN 201510354591A CN 105321753 A CN105321753 A CN 105321753A
- Authority
- CN
- China
- Prior art keywords
- key component
- sleeve
- shell body
- operation head
- spring part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Push-Button Switches (AREA)
- Manufacture Of Switches (AREA)
Abstract
The invention relates to a method for producing a push-button compact component. The method comprises the steps of combining an operation head part (2), a first spring member (6) and a sleeve (11) into a push-button part and arranging at least one locking slider (12) and a second spring member (13) in the sleeve, the sleeve provided with a gap (23) at the bottom; mounting the push-button part to a projection (22) at the upper side of an assembling pin (19) of a production tool (20) via the gap (23) of the sleeve (11), the assembling pin (19) guided to penetrate an outer shell (3) including a third spring member (15); pressing and clamping the push-button part in the outer shell (3).
Description
Technical field
The present invention relates to a kind of method for the manufacture of close-coupled key component.
Background technology
Such button is often used in the input instruction of so-called man-machine interface place.At this, can not only imagine to be applied to and connect control electric current, and by button being used as the mode for the trigger of circuit breaker, also can imagine for open circuit (Leistungsschaltung).The waterproof of service life, robustness, soft copy and antipollution sealing and with low cost as much as possible with the productivity of process safety in, this button has very high requirement.
Commander equipment is assemblied in control board, operating desk, distribution box door or case lid.The usual modularly constructing of commander equipment.This means, its by executor, be such as collar nut fixed part or assembling keeper and one or more switch member form, switch member is embodied as normal open switch mechanism or normally closed switch mechanism.In order to assemble, executor assembles by fixed part from behind from the hole connected above control board usually.Switch member utilizes bolt, grab or steady pin to be mechanically fixed on executor or fixed part place.The electrical connection of switch member and control device is realized by binding post.
When security application, such as, define in urgent open command equipment, the contact that signal by disconnection positive opening produces.In other words, when not handling urgent open command equipment, contact and and then affiliated circuit be closed.In interference or emergency, interrupt normally opened contact by the urgent disconnection executor before impact is in control board and facility or machine are transferred in safe condition.But this is only guaranteeing just to work relative to when executor or the spatial correspondence relative to switch member.Due to defective assembling or be subject to authority impact and may occur, switch member is mechanically separated with executor.In this case, urgent open command equipment no longer works.This means, when in case of emergency handling, contact is not opened and and then can not be realized the state of eliminating danger.This may cause the lethal damage to personnel and machine.Therefore, the reliable connection between executor and switch member is significant.
Executor must meet multi-level requirement.It such as should can assemble simply and be attractive as far as possible for client.The basis of each executor is, it transfers defined position of the switch information and maintained switch position.In the urgent hold instruction equipment of product group, maintained switch position is particular importance, thus prevents insurance circuit again to connect.In order to ensure this function, it is necessary for being reliably assemblied in socket by blocking mechanism.
Employ different structural with the measure on mounting technology in order to practical function guarantee.Therefore, when certain executor, such as when emergency shutdown executor, individually to supply, test function parts and after assembly whole assembly being detected.Each preassembled assembly remains in position by assembling device by other variations, needs subsequently thus detect function and test all parts.This brings again huge cost.
Summary of the invention
Correspondingly, the object of the invention is to, propose a kind of method for the manufacture of close-coupled key component, these parts can manufacture simply and achieve the detection to made structural unit.
According to the present invention, this object is realized by the method for the manufacture of close-coupled key component, and the method has following steps:
-operation head and the first spring part and sleeve are assembled into key component, at least one slide closure is arranged in sleeve together with the second spring part, and sleeve has space in bottom side;
-by key component by being inserted in the projection at the upside place of the rigging pilotage in the tool of production in the space at sleeve place, wherein guide rigging pilotage through the shell body comprising the 3rd spring part;
-by key component press-in and be secured in shell body.
Close-coupled key component, especially mushroom cap assembly structurally designs as follows, namely its can with by mushroom cap, overload spring (
), seal, slide block sleeve, slide block and sliding block spring form, fixing functional unit directly or after a while carries out following process when not having supplementary protection to parts.Component parts fixing or can such as be produced by welding, buckle or other interconnection technique moveable connection.
All parts is very important with the assembly that technology groups synthesis is fixing, can realize following process flexibly.Obtain following advantage thus, namely preassembled assembly can be detected at any time and can carry out subsequent treatment as compact unit.Can cancel in the follow-up additional detected to function or the test to all parts because assembly to be state continuance constant and protected.Thus, create the important advantage for the installation time of necessity when parts manufacture generally and considerably improve assembling scheme, manually manufacture, semi-automatic to manufacture or the full-automatic flexibility manufactured.This can produce for startup and Accelerating running quantity optimization.
Key component forms by operating head, spring part and sleeve, operation head have install additional thereon, the matrix of preferably cylindricality.Preferably be furnished with two guide protrusions at the matrix place of operation head, it is in effective connection with the slide closure of two in sleeve.Urgent off device majority has the very limited installing space for locking/system for unlocking.Therefore be problematic when researching and developing following system, this system bears required manipulation releasing force and now keeps running well in its life-span.Subject matter is at the fret wear at working face place of movable part and the positive lock in latched position.
In the slide block steady pin switching system that this selects, load the slide block that two have own spring in parallel with each other, wherein the two can contribute to locking or unblock simultaneously.Slide block itself and setting-in parts can be made from a variety of materials and differently implement, such as, have the space for optical channel printing opacity.
When two slide blocks are placed relative to each other in plane, these two slide blocks can utilize the urgent off-state of dual reliability kayser.This means, when the fracture of sliding block material, such as, when spring breakage or fret wear, the second slide block also always can fully block sytem.When handling or unlock, power is preferably assigned on two slide blocks.When handling or unlock, distribute power and be not may bring unilaterally, thus comparatively to work equably symmetrically, namely galling.
The slide block extended parallel to each other achieves can install larger slide block, and this stability to system produces favorable influence.In addition, large latching force is achieved.
Along with two slide blocks applying installation parallel to each other in the planes obtain following advantage, namely can install two independently springs, the two operates apart from each other.Dual reliability is obtained thus when spring breakage.Also advantageously, the size of instruction and signalling arrangement is it reduced.Slide closure is preferably arranged in sleeve opposite each otherly.Slide closure preferably contributes to locking and unblock simultaneously.In addition, larger latching force is achieved.
Therefore, be at the first step according to the present invention of this method for the manufacture of close-coupled key component proposed, have the operation head of the matrix of preferably cylindricality and the first spring part and sleeve and be assembled into key component, at least one slide closure to be arranged in sleeve together with the second spring part and sleeve has space in bottom side.
Second step according to the present invention is, this key component, by being inserted in the projection at the upside place of the rigging pilotage in the tool of production in the space at sleeve place, wherein, guides rigging pilotage through the shell body comprising the 3rd spring part.Be in the operation principle of the guide protrusions at the matrix place of operation head, the slide block being loaded with spring is positioned in sleeve regularly, and does not have following risk, and namely slide closure or spring part get loose and freely move in button.Make to have the operation head of matrix, spring part, sleeve and slide closure that at least one is loaded with spring can manufacture close-coupled parts in the guide protrusions at matrix place of operation head.
Propose according to third method step of the present invention, key component is pressed into and is secured in shell body.This last method step realizes thus, namely arranges space in the bottom side of sleeve, is engaged in this space in the projection at the upside place of rigging pilotage.Thereby is achieved the stationary positioned of each assembly, then these assemblies can clamp by being pressed in shell body by key component each other.
There is following feasibility, the manufacturing method according to the invention proposed at this is transposed in the production line of automation.Obtain following advantage thus, the technical combinations that namely all parts becomes fixation kit, i.e. key component can carry out following process neatly.Obtain following advantage thus, namely preassembled assembly can be detected at any time and can process further as compact unit.
To the additional detected of function or can both cancel in the follow-up test to all parts carried out subsequently, because component states continues protected unchangeably.Thus, obtain the important advantage for the installation time of necessity when parts manufacture and significantly improve assembling scheme, that manually manufacture, semi-automatic manufacture or the full-automatic flexibility manufactured at this.Therefore for startup and Accelerating running, also can carry out automation quantity optimization.
The improvement project of manufacturing method according to the invention can be, key component is pressed in shell body by the spring in the bearing of rigging pilotage.Rigging pilotage must realize the press-in to key component, and that is, it is fixing that rigging pilotage does not allow to be designed to position, but having the corresponding masterpiece used time to surrender, to realize key component to be pressed in shell body.Rigging pilotage to be elastically supported in this be a kind of feasibility designed flexibly for the position of rigging pilotage.
In addition, manufacturing method according to the invention can propose, and key component imports to by rotary motion in the shell body comprising the 3rd spring part.It is pre-tensioner that this rotary motion result in the 3rd spring be bearing in shell body.
Can propose in another improvement project of manufacturing method according to the invention, tool of production engagement operations head and being pressed in shell body.By regulation be engaged to operation head on be important manufacturing step because must by engagement guarantee the projection located on the upside of rigging pilotage interlock slide into sleeve bottom side place space in.
Therefore, the improvement project according to the present invention for the engagement by regulation proposes, and operation head is designed to polygonal, especially octagonal.The polygonal shape of operation head, especially anistree shape makes the tool of production can reliably be engaged on operation head.
Button preferably has the two-piece housing be made up of operation head and shell body.Operating head portion is preferably designed so that mushroom-shaped and covering shell body, and wherein shell body is fixed on operation head place by clamping element.
Housing guide part reaches shell body from operation head.Housing guide part encloses spring part.Housing guide part preferably has importing inclined-plane in end, and it is by being effectively connected with the slide closure being preferably two manipulation of operation head.
Slide closure is preferably arranged as parallel to each other opposed in the planes.When operating this operation head, these two slide closures are preferably transferred in latched position simultaneously, and that is, in reverse situation, two slide closures have identical position equally in the state do not operated.
Key component comprises operation head, and it has matrix, is furnished with at least one guide protrusions at matrix place.In addition, key component also comprises spring part, and it is bearing in the matrix of operation head.Spring part preferably can be designed to overload spring.In addition, spring part is bearing in sleeve, is furnished with at least one slide closure comprising spring part in this sleeve.Propose, in the guide protrusions at matrix place of operation head, the slide closure being loaded with spring is remained in its position in sleeve, wherein, the slide closure being loaded with spring is bearing in guide protrusions place.Therefore, key component is formed by operating head, spring part and sleeve, and operation head has the matrix with at least one guide protrusions, and spring part is bearing in matrix and sleeve, is furnished with the slide closure being loaded with spring in sleeve.
Additionally, at operation head place, can also seal be set.Now, key component to be bearing in other spring part and to import to shell body, especially in socket.Shell body now held by baffle plate, front plate seals and pressure piece.
Being according to the feature of method of the present invention for the manufacture of close-coupled key component that this proposes, achieve following process flexibly by the technical combination making all parts become fixation kit.Obtain following advantage thus, namely preassembled assembly can be detected at any time and can carry out subsequent treatment as compact unit.To the additional detected of function or can cancel the test of all parts in follow-up, because component states continues protected unchangeably.Thus, obtain the important advantage for the necessary installation time when parts manufacture, and significantly improve assembling scheme, namely manually manufacture, semi-automatic manufacture or the full-automatic flexibility manufactured.Therefore also for can the automation of quantity optimization ground startup and Accelerating running.
Accompanying drawing explanation
Below according to embodiment and further illustrate additional advantage of the present invention and design with reference to the accompanying drawings.
Schematically show in figure:
Fig. 1 show in section have slide closure according to close-coupled key component of the present invention;
Fig. 2 shows the close-coupled key component according to Fig. 1 with exploded view;
Fig. 3 show in section and is transported in shell body in tool of production inside by key component;
The rigging pilotage that Fig. 4 show in section the tool of production interlocks and is engaged in the sleeve of key component;
Fig. 5 show in section the key component before being pressed in shell body;
Fig. 6 show in section the key component when being pressed in shell body;
Fig. 7 shows the key component after being pressed in shell body.
Embodiment
Fig. 1 shows the button 1 with the preferably housing of two piece body be made up of operation head 2 and shell body 3.Operation head 2 is preferably implemented as mushroom-shaped and covering shell body 3, and wherein shell body 3 is fixed on operation head 2 place by clamping element 4.At operation head 2 place, housing guide part 5 extend in housing 3.Housing guide part 5 surrounds the first spring part 6.Housing guide part 5 has importing inclined-plane 7 in end, it is by being effectively connected with the slide closure 8 being preferably two manipulation of operation head 2.Slide closure 8 is preferably opposite each other abreast in the planes.When operating this operation head 2, these two slide closures 8 are transferred in locked position of coupler simultaneously, and that is, when contrary, these two slide closures 8 have identical position equally in unsteered state.
Fig. 2 shows close-coupled key component, and it comprises operation head 2, and this operation head has matrix 9, is furnished with at least one guide protrusions 10 at matrix place.In addition, close-coupled key component also comprises the first spring part 6, and it is bearing in the matrix 9 of operation head 2.First spring part 6 can be preferably designed so that overload spring.First spring part 6 is bearing in sleeve 11 in addition, and at least one slide closure 12 is arranged in this sleeve together with the second spring part 13.Proposing, by making the slide closure 12 being loaded with spring be bearing in guide protrusions 10 place, in the guide protrusions 10 at matrix 9 place of operation head 2, the slide closure 12 being loaded with spring being remained in its position in sleeve 11.
Therefore, key component according to the present invention is by operating head 2, first spring part 6 and sleeve 11 is formed, and operation head has matrix 9 and at least one guide protrusions 10; First spring part is bearing in matrix 9 and sleeve 11; , in sleeve, be furnished with the slide closure 12 being loaded with at least one spring.Additionally, seal 14 can also be set at operation head 2 place.Now, key component to be bearing in the 3rd spring part 15 and to import to shell body 3, especially in socket.Shell body 3 now can be held by baffle plate 16, front plate seals 17 and pressure piece 18.
Figure 3 illustrates key component to the conveying in the rigging pilotage 19 of the tool of production 20.Rigging pilotage 19 is flexibly bearing at its first end place on the 4th spring part 21 in the tool of production 20.Rigging pilotage 19 has protruding 22 at its second end place.Be engaged in space 23 in this projection 22 at rigging pilotage 19 place of the tool of production 20, this space is arranged in the bottom side of sleeve 11.Be engaged in space 23 by protruding 22, the key component at shell body 3 place can carry by the interface of definition a stepping row relax of going forward side by side.
Fig. 4 shows protruding 22 to the staggered engagement in the space 23 of sleeve 11 with the cross section of amplifying.The arrow illustrated is pointed out, key component causes rotary motion to the engagement in shell body 3, makes the 3rd spring part 15 in shell body 3 pre-tensioner by this rotary motion.
Figure 5 illustrates the key component that press-in comprises before the shell body 3 of the 3rd spring part 15 in the tool of production 20.
Fig. 6 shows follow-up technological process, and wherein, key component is pressed in shell body 3 now.This process causes rotary motion, and when this rotary motion, the 3rd spring part 15 is pre-tensioner.
Fig. 7 shows the close-coupled key component after key component is pressed in shell body 3.
Being according to the feature of method of the present invention for the manufacture of close-coupled key component that this proposes, being assembled into fixing assembly technically by all parts and achieving subsequent treatment flexibly.Obtain following advantage thus, namely preassembled assembly can be detected at any time and can process further as compact unit.To the additional detected of function or can both cancel the test of all parts in follow-up, because component states continues protected unchangeably.Thus, obtain the important advantage for the necessary installation time when parts manufacture and significantly improve assembling scheme, manually manufacture, semi-automatic manufacture or the full-automatic flexibility manufactured.Therefore also can quantity optimization ground automation for startup and Accelerating running.
List of reference characters
1 button
2 operation heads
3 shell bodies
4 clamping elements
5 housing guide parts
6 first spring parts
7 import inclined-plane
8 slide closures
9 matrixes
10 guide protrusions
11 sleeves
12 slide closures
13 second spring parts
14 seals
15 the 3rd spring parts
16 baffle plates
Plate seals before 17
18 pressure pieces
19 rigging pilotages
20 tools of production
21 the 4th spring parts
22 is protruding
23 spaces.
Claims (5)
1., for the manufacture of a method for close-coupled key component, comprise the following steps:
Head (2) will be operated and be assembled into key component with the first spring part (6) and sleeve (11), at least one slide closure (12) is arranged in this sleeve together with the second spring part (13), and described sleeve has space (23) in bottom side
By described key component by the projection (22) that the described space (23) at described sleeve (11) place is inserted into the upside place of the rigging pilotage (19) in the tool of production (20), wherein, guide described rigging pilotage (19) through the shell body (3) comprising the 3rd spring part (15)
Described key component is pressed into and is secured in described shell body (3).
2. method according to claim 1, is characterized in that, described key component is pressed in described shell body (3) by the elastic bearing of described rigging pilotage (19).
3. method according to claim 1 and 2, is characterized in that, described key component imports to by rotary motion in the described shell body (3) comprising described 3rd spring part (15).
4. according to the method in any one of claims 1 to 3, it is characterized in that, the described tool of production (20) engages described operation head (2) and described operation head is pressed in described shell body (3).
5. method according to claim 4, is characterized in that, described operation head (2) is designed to polygonal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14173602.5 | 2014-06-24 | ||
| EP14173602.5A EP2960914B1 (en) | 2014-06-24 | 2014-06-24 | Method for producing a push-button compact component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105321753A true CN105321753A (en) | 2016-02-10 |
| CN105321753B CN105321753B (en) | 2017-11-24 |
Family
ID=51059282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510354591.7A Active CN105321753B (en) | 2014-06-24 | 2015-06-24 | Method for manufacturing close-coupled key component |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2960914B1 (en) |
| CN (1) | CN105321753B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158475A (en) * | 2016-08-01 | 2016-11-23 | 珠海格力电器股份有限公司 | A kind of press-key structure and there is its BMC electrical appliance kit and air conditioner wall-mounted machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032685A1 (en) * | 1980-01-22 | 1981-07-29 | Siemens Aktiengesellschaft | Push button control mechanism for button switch |
| EP0172926A1 (en) * | 1984-08-23 | 1986-03-05 | Square D Starkstrom GmbH | Operating adaptor for command or signaling devices, in particular emergency stop switch |
| JPH04126315A (en) * | 1989-09-19 | 1992-04-27 | Fuji Electric Co Ltd | Operation device for printed board and assembling method |
| US5793006A (en) * | 1995-09-08 | 1998-08-11 | Mitsubishi Denki Kabushiki Kaisha | Collision detection device and manufacturing method of the same |
| US20030111326A1 (en) * | 2001-12-18 | 2003-06-19 | Eaton Corporation | Pressure switch with annular electrodes and method of making same |
| WO2014048602A1 (en) * | 2012-09-26 | 2014-04-03 | Siemens Aktiengesellschaft | Pushbutton compact component |
-
2014
- 2014-06-24 EP EP14173602.5A patent/EP2960914B1/en active Active
-
2015
- 2015-06-24 CN CN201510354591.7A patent/CN105321753B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032685A1 (en) * | 1980-01-22 | 1981-07-29 | Siemens Aktiengesellschaft | Push button control mechanism for button switch |
| EP0172926A1 (en) * | 1984-08-23 | 1986-03-05 | Square D Starkstrom GmbH | Operating adaptor for command or signaling devices, in particular emergency stop switch |
| JPH04126315A (en) * | 1989-09-19 | 1992-04-27 | Fuji Electric Co Ltd | Operation device for printed board and assembling method |
| US5793006A (en) * | 1995-09-08 | 1998-08-11 | Mitsubishi Denki Kabushiki Kaisha | Collision detection device and manufacturing method of the same |
| US20030111326A1 (en) * | 2001-12-18 | 2003-06-19 | Eaton Corporation | Pressure switch with annular electrodes and method of making same |
| WO2014048602A1 (en) * | 2012-09-26 | 2014-04-03 | Siemens Aktiengesellschaft | Pushbutton compact component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158475A (en) * | 2016-08-01 | 2016-11-23 | 珠海格力电器股份有限公司 | A kind of press-key structure and there is its BMC electrical appliance kit and air conditioner wall-mounted machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2960914A1 (en) | 2015-12-30 |
| EP2960914B1 (en) | 2016-11-16 |
| CN105321753B (en) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104685596B (en) | The compact component of button | |
| CN108886218B (en) | Latching device for a plug connector | |
| AU752819B2 (en) | Electrical plug and socket device comprising a fixing unit | |
| US6727797B1 (en) | Fuse combination unit with maintained locking | |
| CN102588652B (en) | Valve device with manual override device | |
| US7928330B2 (en) | Safety switch | |
| US20130065412A1 (en) | Connector engagement body | |
| JP2013519009A (en) | Locking device with tumbler for safety door | |
| US7667149B2 (en) | Safety switch | |
| CN105633716A (en) | High-voltage connector | |
| US9502814B2 (en) | Connector cover and connector connecting apparatus | |
| CN101390261A (en) | Electrical plug-and-socket device | |
| CN101322294B (en) | Pluggable surge arrester with one or more surge protection elements | |
| US9416891B2 (en) | Electromagnetic actuator for a solenoid valve, a valve terminal with at least one solenoid valve, and a module arrangement that includes at least one solenoid valve | |
| CN104904074A (en) | Connector assembly with automatic secondary lock | |
| WO2014202654A1 (en) | Pressure-actuated security switch with monitoring function | |
| CN105321753A (en) | Method for producing a push-button compact component | |
| JP4887091B2 (en) | Door-integrated safety switch device | |
| CN202612802U (en) | Pressure adjusting valve | |
| US7262519B1 (en) | Actuator unit with at least two actuators and a secure control unit | |
| US20120175228A1 (en) | Safety switch | |
| CN204809656U (en) | Instruction and signal device | |
| CN108071269B (en) | Key management locking module mechanism | |
| CN102412079B (en) | Push button with mechanical signal display | |
| DE102013010776A1 (en) | Locking arrangement for a power disconnecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |