EP1672657B1 - Appareil électrique adapté à prendre une configuration bistable ou monostable - Google Patents

Appareil électrique adapté à prendre une configuration bistable ou monostable Download PDF

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Publication number
EP1672657B1
EP1672657B1 EP05292554A EP05292554A EP1672657B1 EP 1672657 B1 EP1672657 B1 EP 1672657B1 EP 05292554 A EP05292554 A EP 05292554A EP 05292554 A EP05292554 A EP 05292554A EP 1672657 B1 EP1672657 B1 EP 1672657B1
Authority
EP
European Patent Office
Prior art keywords
item
electrical equipment
lug
selector
push button
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.)
Not-in-force
Application number
EP05292554A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1672657A3 (fr
EP1672657A2 (fr
Inventor
Emmanuel Donzaud
Christophe Auvray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Legrand SNC, Legrand France SA filed Critical Legrand SNC
Priority to PL05292554T priority Critical patent/PL1672657T3/pl
Publication of EP1672657A2 publication Critical patent/EP1672657A2/fr
Publication of EP1672657A3 publication Critical patent/EP1672657A3/fr
Application granted granted Critical
Publication of EP1672657B1 publication Critical patent/EP1672657B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
    • H01H13/564—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam convertible to momentary push button switches

Definitions

  • the present invention relates to the general field of electrical devices comprising in a housing a pusher adapted to take an extended position and a retracted position.
  • This type of electrical apparatus having two modes of operation can be used for functions such as switch, switch, controller, and generally in any application for which it may be advantageous to have a device that can be monostable or bistable depending on the circumstances.
  • Such an electrical apparatus of the document is known FR 2,718,566 comprising a pusher movably mounted between two positions, one deployed, the other retracted, this pusher being subjected to resilient return means constantly urging towards its deployed position.
  • the selection between the monostable and bistable behaviors of the apparatus is carried out by means of a selector formed of a disk rotatably mounted in the housing of the apparatus and comprising a device of the "core cam" type as well as a groove.
  • the rotation of the selector makes it possible to arrange selectively in front of a pin connected to the pusher is the device "cam heart” making the device bistable or the groove making the device monostable.
  • Document is also known FR 2,813,990 an electrical apparatus comprising a pusher connected to hooking means cooperating with an elastic tab integral with a movable selector in translation.
  • the elastic tab or not cooperates with the attachment means, thus making the device respectively bistable or monostable.
  • the object of the invention is to improve this type of electrical apparatus.
  • Such an electrical apparatus therefore comprises a hooking mechanism whose operation is based on the cooperation of a pin with a cam path formed around a projecting island which is provided with a capture groove.
  • This type of attachment mechanism is well known and is used for its qualities of reliability and robustness.
  • the invention allows such a hooking mechanism to ensure only the monostable and bistable configuration of the electrical apparatus, through the selector that allows, when the pusher is in its deployed position, to position the pin is in the starting position, either in the initial position shifted so that it respectively borrows either the forward section of the cam path or the return section of the cam path.
  • the invention thus provides a gain in terms of manufacturing cost as well as in terms of robustness insofar as few additional parts are moving relative to a conventional device with cam path around a projecting island provided with a capture throat.
  • said starting position is located in the forward section of the cam path and in that said initial offset position is located in the return section of the cam path.
  • the projecting island may have a tip opposite its capture groove, the starting position and the offset initial position being located on either side of said tip which then allows a clear separation of the sections to go and back.
  • the apparatus comprises a housing adapted to receive the lug when the pusher is in its extended position, said displacement means being adapted to act on the position of said housing.
  • the selector may further comprise a rotating part having said housing, the rotation of said part causing the displacement of the housing.
  • Said rotating part can be inserted in a circular guide housing, which allows a simple and robust construction.
  • the selector may then comprise a lever provided at one of its ends with a handle and at the other end of said rotating part.
  • Said handle may advantageously be adapted to move along a concentric curved groove to the circular guide housing.
  • the cam path is defined between the projecting island and a set formed by the rotating part and a chamber surrounding said projecting island, which keeps the pin around the projecting island and to prevent any risk of blockage of the mechanism.
  • the attachment mechanism can be fixed on the inner face of a wall of the housing.
  • the perspective view of the figure 1 shows an electrical apparatus 1 which is in the present modular example, that is to say that its housing is in a generally flat shape and whose thickness is multiple of a specific module, which allows the device to be placed side by side on the same support with other modular electrical devices of the same format.
  • the electrical apparatus 1 is here a switch that can be monostable or bistable according to the wishes of the user.
  • This electrical apparatus 1 comprises a housing 2 which is projecting a pusher 3 for actuating the switch, and a selector 4 movable along a curved groove 5 and accessible to the user from outside the housing 2 .
  • the pusher 3 is movable in translation relative to the housing 2. It is adapted to take a first deployed position (that shown in FIG. figure 1 ) and a retracted position, especially when the pusher 3 is depressed by a user. It is in this retracted position that the apparatus 1 performs its function as a switch, or any other function for which it can be provided, while elastic return means such as a spring (not shown) are arranged at inside the housing to permanently urge the pusher 3 to its deployed position.
  • elastic return means such as a spring (not shown) are arranged at inside the housing to permanently urge the pusher 3 to its deployed position.
  • the apparatus 1 When the selector 4 is in one of its extreme positions, the apparatus 1 is monostable, that is to say that the pusher 3 can be depressed from its extended position to its retracted position and remains in the latter position that as the user maintains the pressure on the pusher 3. As soon as the pressure is released, the pusher 3 returns to its deployed position under the effect of the internal spring.
  • the apparatus 1 When the selector 4 is in its other extreme position, the apparatus 1 is bistable.
  • the apparatus 1 thus provides the switch function of the present example permanently after releasing the pressure on the pusher 3.
  • the pusher 3 can be returned to its deployed position by a new pressure of the user on the pusher 3 which, releasing the attachment means, allows him, under the effect of resilient return means, to return to its deployed position.
  • the selector 4 allows the user to choose, before or after installation, the operating mode of the device 1 ensuring the function he has chosen.
  • the attachment mechanism which allows in particular the pusher 3 to be held in the retracted position, will now be described with reference to the Figures 2 and 3 .
  • FIGS. 2 and 3 represent, for two different positions of the selector 4, the inner face of the wall 7 of the housing 2 on which is fixed the selector 4.
  • a double arrow 8 materializes in these figures the sliding direction of the pusher 3.
  • the latter has been shown schematically in the position it occupies with respect to the attachment mechanism 9 within the device 1.
  • the cooperation of the pusher 3 with the attachment mechanism 9 is ensured by means of a bead wire 6 (shown diagrammatically in FIG. dotted line).
  • the pusher 3 also has other cooperation members, particularly with the switch mechanism on which it is intended to act, which have not been shown for clarity of the drawings.
  • the figure 2 represents, on the inner face of the wall 7, the attachment mechanism 9 which comprises the selector 4, a guide housing 10, and an assembly formed of a projecting island 11 and an enclosure 12 defining a cam path 13.
  • the selector 4 is in the form of a lever whose one end 14 forms a lever protruding through the groove 5 to be accessible from the outside of the housing 2 (see figure 1 ).
  • the other end of the selector 4 is formed of a semicircular piece 15 comprising a recess adapted to form a housing 16.
  • the semicircular piece 15 is mounted in the circular guide housing 10 and concentric with the semicircular piece 15 so that this the last is guided in rotation and can occupy the positions of Figures 2 and 3 corresponding to the two extreme positions of the selector 4.
  • the cam path 13 is defined by the salient island 11 and the enclosure 12 which forms a device commonly referred to as a "core cam assembly" enabling, via a capture groove 17 of the projecting island 11 keep the pusher 3 in its retracted position.
  • the figure 2 further represents schematically a lug 18 in the different positions it can take on the cam path 13.
  • This lug 18 is connected by the rod 6 to the pusher 3 which is movable in the direction indicated by the double arrow 8.
  • the figure 3 has the same elements as the figure 2 , the selector 4 being nevertheless in its other extreme position, the semicircular piece 15 having thus undergone rotation inside the housing 10.
  • the figure 2 represents the attachment mechanism 9 in its bistable configuration.
  • the lug 18 When the pusher 3 is in its extended position, the lug 18 is in the housing 16 of the selector 4. The lug 18 is then in a position called "starting position".
  • the lug 18 follows the arrow path of the figure 2 from its starting position until it is caught in the capture groove 17.
  • the aforesaid path corresponds to the path section 19 of the cam path 13.
  • the electrical apparatus 1 thus operates in a bistable configuration, each operation of depressing and then releasing the pusher 3 from its deployed position to its retracted position and vice versa.
  • the projecting island 11 has a point 21 opposite the capture groove 17.
  • the displacement of the housing 16 makes it possible to move the lug 18 from its starting position located on the side of the tip 21 corresponding to the stretch to go 19 ( figure 2 ), at its offset initial position located on the other side of the tip 21 corresponding to the return section 20 ( figure 3 ).
  • the depression of the pusher 3 towards its retracted position allows the lug 18 to move from its initial offset position to a position where it is disposed against the enclosure 12.
  • the release of the pressure on the pusher 3 then causes under the effect of the return spring of the pusher 3, a return of the lug 18 to its initial offset position.
  • the electrical apparatus 1 thus operates in a monostable configuration.
  • the projecting island 11 may have a different configuration, for example not have a tip 21.
  • the selector 4 can ensure the displacement of the housing 16 by any appropriate guidance, for example by translation.

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Casings For Electric Apparatus (AREA)
EP05292554A 2004-12-16 2005-12-02 Appareil électrique adapté à prendre une configuration bistable ou monostable Not-in-force EP1672657B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05292554T PL1672657T3 (pl) 2004-12-16 2005-12-02 Urządzenie elektryczne przystosowane do przyjmowania konfiguracji bistabilnej lub monostabilnej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0413424A FR2879804B1 (fr) 2004-12-16 2004-12-16 Appareil electrique adapte a prendre une configuration bistable ou monostable

Publications (3)

Publication Number Publication Date
EP1672657A2 EP1672657A2 (fr) 2006-06-21
EP1672657A3 EP1672657A3 (fr) 2007-07-04
EP1672657B1 true EP1672657B1 (fr) 2008-09-17

Family

ID=34951810

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05292554A Not-in-force EP1672657B1 (fr) 2004-12-16 2005-12-02 Appareil électrique adapté à prendre une configuration bistable ou monostable

Country Status (6)

Country Link
EP (1) EP1672657B1 (es)
DE (1) DE602005009790D1 (es)
ES (1) ES2313253T3 (es)
FR (1) FR2879804B1 (es)
PL (1) PL1672657T3 (es)
RU (1) RU2388094C2 (es)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262606A (en) * 1987-04-13 1993-11-16 Illinois Tool Works Inc. Selectable switch action
FR2718566B1 (fr) * 1994-04-08 1996-06-14 Legrand Sa Appareil électrique à poussoir.
DE19960695A1 (de) * 1999-12-16 2001-06-21 Moeller Gmbh Drucktaste für Rast- und Tastfunktion
FR2813990B1 (fr) * 2000-09-08 2002-11-01 Legrand Sa Appareil electrique a poussoir

Also Published As

Publication number Publication date
EP1672657A3 (fr) 2007-07-04
ES2313253T3 (es) 2009-03-01
FR2879804A1 (fr) 2006-06-23
EP1672657A2 (fr) 2006-06-21
FR2879804B1 (fr) 2007-03-09
RU2388094C2 (ru) 2010-04-27
DE602005009790D1 (de) 2008-10-30
PL1672657T3 (pl) 2009-03-31
RU2005139356A (ru) 2007-06-20

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