• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an emergency stop device, comprising: - an electrical module adapted to be soldered to a printed circuit board (PCB), comprising a body (100), at least two fixed contacts arranged in the body and at least a contact actuator (101) carrying a movable contact capable of electrically connecting said fixed contacts, - an actuation module adapted to be mechanically coupled to the electrical module and to be mounted on a panel (P), the actuation module comprising a body (1) and an actuator (2) movable relative to the body, the body (1) comprising a so-called rear portion (14) adapted to extend through the panel (P) on a side opposite to the actuator (2) and receiving the electrical module, the actuation module being operable by an operator between the following positions: - a rest position in which the movable contact provides an electrical connection between the fixed contacts, and - an activated position in L the actuator (2) exerts a driving force on the contact actuator (101) so as to break the electrical connection between the fixed contacts, said device being characterized in that it comprises a locking system (200) ) configured to reversibly connect the electrical module directly to the actuation module.
    公开号:FR3077418A1
    申请号:FR1850618
    申请日:2018-01-26
    公开日:2019-08-02
    发明作者:Cedric Mora
    申请人:Apem；
    IPC主号:
    专利说明:

    EMERGENCY STOP DEVICE
    FIELD OF THE INVENTION
    The present invention relates to an emergency stop device.
    STATE OF THE ART
    An electric machine generally comprises a panel having a first face (called the front face) accessible by an operator and a second face (called the rear face), opposite the first face, not accessible to the operator.
    For safety reasons, the electrical circuit for operating the machine is arranged on the rear side of the panel and can be controlled by one or more actuating devices (such as switches, keypads, etc.) arranged on the front of the panel. The panel is drilled to allow this actuator (s) to be electrically connected to the electrical circuit.
    In some cases, the electrical circuit is arranged at least in part on a wired printed circuit (frequently designated by the term PCB, acronym of the Anglo-Saxon term “Printed Circuit Board”).
    The printed circuit is generally arranged parallel to the panel. To minimize the size of the machine, it is generally sought to minimize the distance between the rear face of the panel and the front face of the printed circuit arranged opposite the latter.
    For safety reasons, the machine may include an emergency stop device allowing, under the action of an operator, to open the electrical circuit in order to cause the machine to stop.
    Such an emergency stop device typically comprises an electrical module, comprising a contact actuator carrying a movable contact capable of ensuring an electrical connection between two fixed contacts of the electrical module, and an actuation module, comprising an actuator suitable for transmit a pressure force exerted by a user to the contact actuator in order to move the movable contact and break the electrical connection between the two fixed contacts.
    Document US 8,003,909 describes such an emergency stop device.
    In such a device, the printed circuit is generally fixed on the rear face of the panel. This attachment is liable to deteriorate, for example due to vibrations which cause wear or loosening of the parts, or improper implementation of the attachment system. However, this attachment not being visible to a user, it is not possible to detect a possible failure, which would be likely to prevent correct operation of the emergency stop device. This constitutes a significant safety problem with regard to the function of the emergency stop device.
    STATEMENT OF THE INVENTION
    An object of the invention is to design an emergency stop device which makes it possible to mechanically separate the electrical module from the actuation module (for example for assembly or maintenance purposes), while by securing the mechanical connection between these two modules once assembled in the machine.
    To this end, the invention proposes an emergency stop device comprising:
    an electrical module adapted to be soldered onto a printed circuit, comprising a body, at least two fixed contacts arranged in the body and at least one contact actuator carrying a movable contact capable of electrically connecting said fixed contacts,
    an actuation module adapted to be mechanically coupled to the electrical module and to be mounted on a panel, the actuation module comprising a body and an actuator movable relative to the body, the body comprising a so-called rear part capable of extend through the panel on a side opposite to the actuator and to receive the electrical module, the actuation module being actuable by an operator between the following positions:
    a rest position in which the movable contact provides an electrical connection between the fixed contacts, and
    - An activated position in which the actuator exerts a pushing force on the contact actuator so as to break the electrical connection between the fixed contacts, said device being characterized in that it comprises a locking system configured to secure reversibly the electrical module directly to the actuation module.
    By "reversible" is meant that the fact that the electrical module can be detached from the actuation module without damaging the components of these two modules.
    According to one embodiment, the locking system comprises a ring arranged in rotation around the body of the electrical module between a locking position where the ring cooperates with the body of the actuation module to secure the electrical module to the actuation module, and an unlocking position of the electrical module vis-à-vis the actuation module.
    According to one embodiment, the ring comprises a lug capable of engaging in a notch formed in the rear part of the body of the actuation module to form a bayonet system.
    According to one embodiment, the locking system comprises at least one elastic tongue extending from the body of the electrical module and a corresponding notch formed in the rear part of the body of the actuation module to secure the electrical module to the module d 'snap actuation.
    According to another embodiment, the locking system comprises at least one notched surface arranged on the body of the electrical module opposite a notched surface arranged in the rear part of the body of the actuation module so as to ensure that the electric module to the friction actuation module of said surfaces.
    Advantageously, the rear part of the body of the actuation module extends from a flange forming a bearing surface of said body on the front face of the panel.
    According to one embodiment, the rear part of the body of the actuation module comprises a threaded surface capable of cooperating with a nut to hold the body of the actuation module on the panel between said flange and said nut.
    According to one embodiment, the actuation module comprises a torsion and compression spring urging the actuator in rotation and in translation with respect to the body towards the rest position.
    In a particularly advantageous manner, the actuation module comprises a cam path integral with the body and a finger extending from the actuator cooperating with said cam path when the actuation module is in the activated position, so guiding the actuator to the rest position under the effect of a rotational movement applied to the actuator.
    According to one embodiment, the body carries at least one latch urged by a compression spring and the actuator carries an axis urged by a compression spring, said axis having a first circumferential recess in which the latch engages when the module actuation is in the rest position and a second circumferential recess further from the panel in which engages the latch when the actuation module is in the activated position.
    DESCRIPTION OF THE FIGURES
    Other characteristics and advantages of the invention will appear on reading the detailed description which follows, with reference to the accompanying drawings in which:
    - Figure 1 is an exploded view of the actuation module of an emergency stop device according to an embodiment of the invention;
    - Figure 2 is a sectional view of the module of Figure 1 assembled, in its rest position;
    - Figure 3 is a sectional view of the module of Figure 1 assembled, locked in its activated position;
    - Figure 4 is a perspective view of the actuation module in its rest position;
    - Figure 5 is a perspective view of the actuation module during unlocking;
    - Figures 6 and 7 are respectively perspective and sectional views of the electrical module equipped with an unlocking ring;
    - Figures 8 and 9 illustrate an example of a method of assembling the emergency stop device;
    - Figures 10 to 12 illustrate a first example of the principle of locking the electrical module vis-à-vis the actuation module;
    - Figures 13 and 14 illustrate a second example of the principle of locking the electrical module vis-à-vis the actuation module;
    - Figures 15 and 16 illustrate a third example of the principle of locking the electrical module vis-à-vis the actuation module.
    DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION
    The invention provides an emergency stop device having an actuation module and an electrical module, the actuation module being separable from the electrical module.
    FIG. 1 is an exploded view of the actuation module according to an embodiment of the invention. FIG. 2 is a view of said assembled module, in the rest position (that is to say that it has not been actuated for an emergency stop).
    The actuation module comprises a body 1 and an actuator 2 movable in translation and in rotation relative to the body 1 along an axis X. In the following text, the terms "axial", "radial" and "transverse" s' hear with respect to this X axis.
    The actuator 2 is in the form of a push button, comprising a support zone 20 on which an operator can exert pressure along the X axis in the case where the electrical circuit must be open. The actuator 2 is hollow and covers part of the body 1.
    Advantageously, a seal 3 provides a fluid seal between the body 1 and the actuator 2.
    The seal 3 is typically in the form of a ring 30 from which an elastic lip 31 extends outward.
    The ring 30 is held in the body 1 in an annular groove 11.
    When the actuation module is assembled, the seal 3 extends between the body 1 and the actuator 2, the lip 31 being compressed by the actuator 2 and thus ensuring a fluid tightness. Consequently, no fluid can penetrate inside the actuation module.
    As can be seen more clearly in FIGS. 2 and 3, the actuator 2 has a central barrel 21 which extends inside from the face 230 opposite the support zone 20.
    The central barrel 21 is hollow and has an interior surface 210.
    This internal threaded surface 210 makes it possible to fix a shaft 5 to the barrel 21 by means of a self-tapping screw 6.
    Axis 5 is a hollow part which has a general shape of revolution. Inside the axis 5 is arranged a transverse wall 50 having a passage orifice for the threaded part of the screw 6, said orifice having on the other hand a diameter less than the diameter of the head of the screw 6. The lower wall of the barrel 21 serves as a stop for the head of the screw when the axis 5 is held on the barrel 21 by the screw 6. The outer surface of the axis 5 comprises two recesses 51, 52 whose function will be explained below. Each recess 51, 52 is set back in the radial direction relative to an adjacent flange 53, 54. The recess 52 is thus delimited by the flanges 53 and 54, while the recess 51 is delimited only on one side by the flange 53.
    During assembly of the actuation module, a return spring 7 is arranged between the outer face of the barrel 21 and the inner face of the shaft 5, bearing on the one hand on the wall 50 of the shaft and on the other hand on a flange 13 extending radially inside the body 1. The spring 7 is a compression spring. In the rest position illustrated in FIG. 2, the spring 7 is in the at least partially compressed state.
    The body 1 is also hollow and has an interior housing for a cam 4.
    The cam 4 is held inside the body 1. This holding can for example be achieved by snap-fastening, thanks to the cooperation of two diametrically opposed lugs 40, projecting outwards from the cam 4 and a groove 12 which extends into the inner face of the body 1.
    Advantageously, each lug 40 comprises an inclined part which facilitates the insertion of the cam into the body 1 (from above in the configuration as illustrated in FIG. 2) and a part substantially perpendicular to the axis X, which, once the lug is fully engaged in the groove 12, prevents extraction of the lug 40 from said groove 12.
    The cam 4 has two diametrically opposite radial housings for two latches 8 and two respective springs 80. When the actuation module is assembled, each spring 80 is in the compressed state between the respective latch 8 and the inner wall of the body 1, so as to maintain the latch 8 inside the recess 51 of the axis 5 (cf. figure 2). Note that the end of the latches on the side of the axis 5, as well as the edges of the flanges 53, 54, advantageously have inclined surfaces.
    Furthermore, a return spring 9 is arranged between the cam 4 and the actuator 2. The spring 9 is a torsion and compression spring, ensuring a return in rotation of the actuator with respect to the body, and a return in translation of the actuator in the rest position vis-à-vis the body.
    The cam 4 has on its outer face a cam path 41 whose function will be detailed below. As seen in Figures 4 and 5, the actuator comprises a finger 22 extending opposite the cam path 41 when the actuation module is assembled.
    The body 1 has a radial flange 15, from which extends, on the side opposite to the actuator 2, a part 14 having an external thread, capable of cooperating with a nut 140. As will be explained below, the nut 140 makes it possible to fix the actuation module on the panel (not shown), the part 14 passing through an orifice made in the panel, the flange 15 being in abutment on the front face of the panel and the nut 140 being supported on the rear face of the panel.
    Furthermore, the electrical module (not shown) is received inside the part
    14.
    Figure 3 illustrates the actuation module of Figure 2 in the actuated position.
    When the actuator 2 is pressed by an operator along the axis X in the direction of the panel, the spring 9 is compressed and the axis 5 which is integral with the barrel 21 moves in the direction of the panel (not shown) and the cooperation of inclined surfaces of the collar 53 and of the latches 8 has the effect of displacing the latches 8 radially outwards, against the force of the springs 80, so as to cause them to come out of the recess 51. At the same time , the spring 7 exerts a thrust force on the axis 5 in the direction of the panel. The actuating stroke is defined so that, at the latest when the face 230 opposite the support zone 20 abuts against the body 1, the recess 52 is located opposite the latches 8. The latches 8 are moved towards inside by the springs 80, until engaging in the recess 52. In this activated position, the spring 7 is in the free state (or less compressed than in the rest position). Furthermore, thanks to the engagement of the latches 8 in the recess 52, the actuator 2 is locked in the activated position, without the possibility of returning to the rest position despite the return force of the spring 9.
    An operator action is therefore necessary to return the actuation device to its initial rest position. This action will now be explained with reference to FIGS. 4 and 5. In these figures, certain parts have been shown in transparency in order to facilitate understanding of the unlocking mechanism.
    Figure 4 is a perspective view of the actuation module in the rest position. In this position, the finger 22 of the actuator is not in contact with the cam track 41.
    FIG. 5 illustrates the actuation module during a rotational movement applied to the actuator 2 by an operator (not shown) around the axis X. During this rotation (the direction of which is indicated to the operator by arrows shown on the support zone 20), the finger 22 of the actuator comes into contact against the cam path 41 of the cam 4. The rotation of the actuator has the effect of bringing the surface 220 into contact inclined finger 22 with a surface 410 inclined in the same direction of the cam path 41, then to slide the surface 220 along the surface 410, which makes it possible to move the actuator in the direction of a remote with respect to the body 1 in a substantially helical movement relative to the body. The axis 5, which is held with the actuator 2 by the screw 6, is driven in a translational movement along the axis X relative to the body 1, which has the effect of disengaging the latches 8 from the recess 52 against the restoring force of the springs 80 and bringing the recess 51 opposite the latches 8, while compressing the spring 7. The latches 8 are then moved inward by the springs 80, up to engage in the recess 51. Thanks to the engagement of the latches 8 in the recess 51, the actuator 2 is maintained in the rest position despite the force of the spring 7.
    The actuation module is then again in the rest position shown in FIG. 2.
    We will now describe the electrical module and its method of attachment to the actuation module.
    Figures 6 and 7 illustrate a perspective view and a sectional view of the electrical module and a locking ring for securing the electrical module to the actuation module reversibly. This ring constitutes a first embodiment of the locking system.
    The electrical module has a shape and dimensions allowing it to be inserted at least partially inside the part 14 of the body 1.
    In a manner known in itself, the electrical module comprises a body 100 in which are arranged two contact actuators 101 and output lugs 105 connected to fixed contacts (not shown). Each contact actuator supports a mobile contact 102 adapted to establish an electrical connection between two fixed contacts, the mobile contact being maintained between an actuator spring 103 on the one hand and a contact spring 104 on the other hand. When the emergency stop device is assembled, the actuators 101 face the axis 5. Each actuator is movable in translation along the X axis between a rest position in which the movable contact provides an electrical connection between the fixed contacts (the axis 5 being distant from the actuator 101), and a depressed position (under the action of a pressure exerted by the axis 5) in which the movable contact is distant from the fixed contacts, interrupting the electrical connection between the two fixed contacts.
    The body 100 is closed by a cover 106 through which extend the contact actuators 101.
    A locking ring 200 is mounted outside the body 101 while being able to rotate around the axis X. The function of said ring will be detailed below.
    The electrical module is welded to a printed circuit (visible in Figures 8 to 11) before assembly of the emergency stop device, the output lugs ensuring an electrical connection between the printed circuit and the electrical module (for example by tin soldering with a standard process).
    Other types of electrical module connection can be implemented with different lugs: connection with soldered wires or lugs for quick connections or connector.
    Figures 8 and 9 illustrate an example of assembly of the electrical module and the actuation module with respect to the panel.
    Figure 8 is an exploded view of the main components before final assembly.
    The actuation module is mounted on the panel P by inserting, through the front face of the panel, the part 14 of the body into a through hole, and by fixing the nut 140 on the threaded part of the part 14 on the rear side of the sign. The actuation module is then rigidly secured to the panel.
    The electrical module soldered on the PCB printed circuit and provided with the locking ring 200 is presented on the rear side of the panel P, opposite the part 14 of the body 1 of the actuation module.
    Threaded rods 300 extend from the rear face of the panel P, opposite corresponding holes in the printed circuit PCB.
    Spacers 302 integral with the threaded rods are intended to ensure a determined distance between the panel P and the printed circuit PCB.
    Once the printed circuit is engaged on the threaded rods 300, and the electrical module inserted at least partially into the part 14 of the body, nuts 301 are fixed on the threaded rods in order to secure the electrical module to the panel P (cf. figure 9).
    In the event of failure of the threaded rods 300 and nuts 301, the electrical module could disengage at least in part from the actuation module, so that a pressure on the actuator would not allow the electrical circuit to be opened. Such a failure occurring behind the panel, it would not be visible to an operator, and the failure of the emergency stop device could not be detected.
    To avoid this risk, the invention provides a locking system which makes it possible to secure the attachment of the electrical module to the actuation module by ensuring direct and reversible mechanical coupling between the two modules. Thus, even in the event of failure of the attachment of the printed circuit to the panel, the locking system keeps the electrical module in its operational position relative to the actuation module, so that the functionality of the emergency stop device is preserved.
    Furthermore, by being reversible, the locking system makes it possible to separate the electrical module from the actuation module, for example for maintenance purposes, while leaving the actuation module in place on the panel.
    This locking system makes it possible to mount the electrical module on the printed circuit on an automatic assembly line, then to fasten the entire printed circuit and the electrical module on the actuation module at the rear of the panel. The electrical module and the actuation module can then be supplied separately and be coupled directly when assembling the emergency stop device on the panel.
    According to a first embodiment, the locking system comprises a ring whose operation is explained with reference to FIGS. 10 to 12.
    When the electrical module is presented opposite the actuation module mounted on the panel (the panel not being shown to facilitate the understanding of the figures), a bent notch 141 formed at the base of the part 14 of the body 1 is in look of a lug 201 of the locking ring, so as to allow the insertion of the lug 201 in said notch 141 in the direction of the axis X (cf. FIG. 10).
    The body 1 is equipped with two systems of notches 141 diametrically opposite with respect to the axis X.
    A rotation of the ring (clockwise in the configuration illustrated in FIGS. 10 to 12) makes it possible to move the lug 201 in the transverse part of the notch 141, up to a stop 142 ( see Figures 11 and 12), using a bayonet mechanism. The ring 200 then locks the actuation module with respect to the electrical module.
    To separate the actuation module from the electrical module, an operator must turn the ring 200 in the opposite direction to that of locking, in order to release the lug 201 from the notch 141. For this purpose, the ring advantageously has shapes facilitating its handling, manually or using a tool.
    After this separation, the actuation module remains fixed to the panel, but the printed circuit and the electrical module (which remains integral with the printed circuit) can be removed from the panel after unscrewing the nuts 301.
    The ring 200 being located on the rear side of the panel, it is not accessible from the front face of the panel and therefore allows unlocking only from the rear face, which secures the dismantling conditions.
    Figures 13 and 14 illustrate a second embodiment of the locking system, based on a snap of the electrical module on the actuation module.
    Except for the locking system, the actuation and electrical modules are identical to those described above, the reference signs already used in Figures 1 to 12 designating the same components.
    The locking system comprises at least one elastic tongue 107 which extends from the body 100 of the electrical module, and a corresponding notch 143 formed inside the rear part 14 of the body 1 of the actuation module. Advantageously, the tongues are two in number and are diametrically opposed. When the electrical module is assembled in the rear part 14 of the actuation module, the tabs are compressed and then engage in the notches 143 of the body 1 of the actuation module. The electrical module is thus mechanically securely retained by the actuation module.
    Advantageously, the notches 143 are through, which makes it easier to dismantle the electrical module by exerting a compressive force on the tabs 107 from the outside of the device.
    Conversely, the elastic tongue (s) may be arranged on the body of the actuation module, and the corresponding opening (s) may be be formed in the body of the electrical module.
    As in the previous embodiment, the locking system is located at the rear of the panel, and is therefore not accessible by a user of the machine.
    Figures 15 and 16 illustrate a third embodiment of the locking system, based on a friction engagement of the electrical module on the actuation module.
    Except for the locking system, the mechanical and electrical modules are identical to those described above, the reference signs already used in Figures 1 to 12 designating the same components.
    The locking system comprises at least one notched surface 108 on the body 100 of the electrical module, and a complementary notched surface 143 inside the rear part 14 of the body of the actuation module. Advantageously, the notched surfaces are two in number for each module and are diametrically opposite. The notches are oriented so as to allow the insertion of the electrical module into the actuation module but to engage each other once the electrical module is assembled in the rear part 14 of the actuation module, so as to s' oppose removal of the electrical module. The height and the slope of the notches are chosen according to the desired mechanical strength.
    As in the previous embodiments, the locking system is located at the rear of the panel, and is therefore not accessible by a user of the machine.
    It goes without saying that the invention is not limited to the particular shape of the different components illustrated in the figures, and that any other means making it possible to fulfill the same function as these different components can be used without departing from the scope of the present invention, as shown in Figures 15 and 16.
    权利要求:
    Claims (10)
    [1" id="c-fr-0001]
    1. Emergency stop device, comprising:
    - an electrical module adapted to be soldered on a printed circuit (PCB), comprising a body (100), at least two fixed contacts arranged in the body and at least one contact actuator (101) carrying a movable contact capable of electrically connecting said fixed contacts,
    - an actuation module adapted to be mechanically coupled to the electrical module and to be mounted on a panel (P), the actuation module comprising a body (1) and an actuator (2) movable relative to the body, the body (1) comprising a so-called rear part (14) able to extend through the panel (P) on a side opposite to the actuator (2) and to receive the electrical module, the actuation module being actuable by an operator between the following positions:
    a rest position in which the movable contact provides an electrical connection between the fixed contacts, and
    - An activated position in which the actuator (2) exerts a driving force on the contact actuator (101) so as to break the electrical connection between the fixed contacts, said device being characterized in that it comprises a locking system configured to reversibly secure the electrical module directly to the actuation module.
    [2" id="c-fr-0002]
    2. Emergency stop device according to claim 1, in which the locking system comprises a ring (200) arranged in rotation around the body (100) of the electrical module between a locking position where the ring cooperates with the body. (1) of the actuation module to secure the electrical module to the actuation module, and an unlocking position of the electrical module vis-à-vis the actuation module.
    [3" id="c-fr-0003]
    3. Emergency stop device according to claim 2, wherein the ring (200) comprises a lug (201) capable of engaging in a notch (141) formed in the rear part (14) of the body (1 ) of the actuation module to form a bayonet system.
    [4" id="c-fr-0004]
    4. Emergency stop device according to claim 1, in which the locking system comprises at least one elastic tongue (107) extending from the body (100) of the electrical module and a corresponding notch (143) formed in the rear part (14) of the body (1) of the actuation module to secure the electrical module to the actuation module by snap-fastening.
    [5" id="c-fr-0005]
    5. Emergency stop device according to claim 1, in which the locking system comprises at least one notched surface (108) arranged on the body (100) of the electrical module facing a notched surface (144) arranged in the rear part (14) of the body (1) of the actuation module so as to secure the electrical module to the actuation module by friction of said surfaces (108, 144).
    [6" id="c-fr-0006]
    6. Emergency stop device according to one of claims 1 to 5, in which the rear part (14) of the body (1) of the actuation module extends from a flange (15) forming a bearing surface of said body (1) on the front face of the panel (P).
    [7" id="c-fr-0007]
    7. An emergency stop device according to claim 6, in which the rear part (14) of the body (1) of the actuation module comprises a threaded surface capable of cooperating with a nut (140) to hold the body ( 1) of the actuation module on the panel between said flange (15) and said nut (140).
    [8" id="c-fr-0008]
    8. Emergency stop device according to one of claims 1 to 7, in which the actuation module comprises a torsion and compression spring (9) urging the actuator (2) in rotation and in screw translation -with respect to the body (1) towards the rest position.
    [9" id="c-fr-0009]
    9. Emergency stop device according to one of claims 1 to 8, in which the actuation module comprises a cam path (41) integral with the body (1) and a finger (22) extending to from the actuator (2) cooperating with said cam path (41) when the actuation module is in the activated position, so as to guide the actuator towards the rest position under the effect of a movement of rotation applied to the actuator (2).
    [10" id="c-fr-0010]
    10. Emergency stop device according to one of claims 1 to 9, in which the body carries at least one latch (8) biased by a compression spring (80) and the actuator (2) carries an axis (5) biased by a compression spring (7), said pin (5) having a first circumferential recess (51) in which engages the latch (8) when the actuation module is in the rest position and a second circumferential recess (52) further from the panel (P) in which engages the latch (8) when the actuation module is in the activated position.
    类似技术:
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    同族专利:
    公开号 | 公开日
    GB201900980D0|2019-03-13|
    FR3077418B1|2020-02-07|
    US10692666B2|2020-06-23|
    US20190237277A1|2019-08-01|
    GB2571829B|2022-03-09|
    GB2571829A|2019-09-11|
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    JP4927023B2|2008-04-24|2012-05-09|株式会社秩父富士|Emergency stop pushbutton switch|
    JP5095691B2|2008-10-27|2012-12-12|富士電機機器制御株式会社|Push-button switch|
    ITTO20120749A1|2012-08-30|2014-03-01|Bitron Spa|CONTROL DEVICE FOR SWITCHES|USD924822S1|2019-01-18|2021-07-13|Eaton Intelligent Power Limited|Push button|
    JP1666318S|2019-10-18|2020-08-17|
    EP3940732A1|2020-07-15|2022-01-19|Heinrichs & Co. KG|Actuation element for wall installation|
    法律状态:
    2019-01-16| PLFP| Fee payment|Year of fee payment: 2 |
    2019-08-02| PLSC| Publication of the preliminary search report|Effective date: 20190802 |
    2020-01-10| PLFP| Fee payment|Year of fee payment: 3 |
    2021-01-13| PLFP| Fee payment|Year of fee payment: 4 |
    2021-12-10| PLFP| Fee payment|Year of fee payment: 5 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1850618|2018-01-26|
    FR1850618A|FR3077418B1|2018-01-26|2018-01-26|EMERGENCY STOP DEVICE|FR1850618A| FR3077418B1|2018-01-26|2018-01-26|EMERGENCY STOP DEVICE|
    GB1900980.2A| GB2571829B|2018-01-26|2019-01-24|Emergency stop device|
    US16/256,149| US10692666B2|2018-01-26|2019-01-24|Emergency stop device|
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