EP0053557B1 - Auslösevorrichtung der "Glasscheibeart" für Sicherheitskästen - Google Patents

Auslösevorrichtung der "Glasscheibeart" für Sicherheitskästen Download PDF

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Publication number
EP0053557B1
EP0053557B1 EP81401884A EP81401884A EP0053557B1 EP 0053557 B1 EP0053557 B1 EP 0053557B1 EP 81401884 A EP81401884 A EP 81401884A EP 81401884 A EP81401884 A EP 81401884A EP 0053557 B1 EP0053557 B1 EP 0053557B1
Authority
EP
European Patent Office
Prior art keywords
plate
tripping
tripping apparatus
actuating member
cover
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.)
Expired
Application number
EP81401884A
Other languages
English (en)
French (fr)
Other versions
EP0053557A1 (de
Inventor
Jacques Da Rocha
Guy Hennequin
Roger Parlatore
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 SA
Original Assignee
Legrand 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 SA filed Critical Legrand SA
Publication of EP0053557A1 publication Critical patent/EP0053557A1/de
Application granted granted Critical
Publication of EP0053557B1 publication Critical patent/EP0053557B1/de
Expired legal-status Critical Current

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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
    • 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
    • H01H2003/0233—Emergency operating parts, e.g. for stop-switch in dangerous conditions for alarm triggering, e.g. fire alarm, emergency off switches operated by breaking a glass

Definitions

  • the invention relates to an engagement device of the "glass breakage" type intended to prevent inadvertent engagement of an action member.
  • Glass breakage is well known: the action organ, in this case a push button, is protected by a glass which must be broken before it can be activated.
  • an interlocking device comprising an actuating member, constituted in this case by contact blades, disposed below an elastically deformable plate reversibly between two forms stable, one corresponding to a standby position, for which the plate is curved outwards, thus leaving the actuating member in the released position, the other corresponding to a latching position, for which the plate is curved inward thereby engaging the actuating member.
  • Document CH-A-470061 also discloses an interlocking device comprising a flexible sheet holding a rigid plate domed internally, the convexity of the plate being intended to ensure the action on a pusher ball by pressure of the fingers on the flexible sheet.
  • Document US-A-3 297 853 also discloses a device of the conventional type with glass for retaining a pusher in the compressed position, broken glass compressing the pusher.
  • the subject of the present invention is an interlocking device of the “glass breaking type” avoiding these drawbacks.
  • the subject of the invention is an interlocking device of the “glass breakage” type comprising an action member and a plate placed above said action member and preventing any untimely action thereon, a portion at least of said plate being elastically deformable in a reversible manner between two stable forms, one corresponding to a waiting position, for which the plate is curved outwards, thus leaving the action member in the triggered position, the other corresponding to an engagement position, for which the plate is curved inward, thereby engaging the action member, device characterized in that there is provided in the housing a passage giving access to the underside of the plate.
  • the transition from the standby position to the alarm position is effected by a voluntary push or by a shock, for example using a hammer; on resetting, preferably, the passage from the alarm position to the standby position can be done directly, using a specialized tool; according to an embodiment which is not claimed, the rearming can also be done by disassembly and reassembly of the assembly, using a conventional tool, for example a screwdriver.
  • the latching device comprises a housing 1 serving as a housing for a push button 2.
  • a cover 3 which is in the form of a frame, closes the housing 1.
  • the cover 3 is removably attached, by screws 10, on the housing 1 and is rectangular; by two of its opposite internal edges, it forms a housing 31, which is in fact constituted by a notch made in its thickness 3.
  • a rectangular plate 4 which is made of elastic material, is forcibly engaged in this housing 31, by a part of its periphery, namely its two corresponding opposite edges; its relative dimensions, between these two opposite edges, are greater than those of the housing 31, so that it cannot take a planar shape and is on the contrary, by elasticity, reversibly deformable between two stable shapes, one corresponding to a waiting position, for which it is "convex towards the outside of the housing 1, the other corresponding to an alarm position, for which it is” convex "towards the interior thereof.
  • the plate 4 is "curved" outward from the housing; it is then at a distance from the push button 2 and the latter is in the triggered position or "waiting position".
  • the housing 31 of the frame 3 forms by itself a means of clamping the plate 4, which maintains, as described, the convex shape, either in one direction or in the other.
  • the plate 4 is also elastically deformable in a reversible manner, but its clamping means is formed by a rigid frame 43, distinct from the cover 3.
  • This embodiment makes it possible to accommodate with play l 'plate 4 and frame 43 in the housing 31 of the cover 3, the manufacturing tolerances then being less severe.
  • the rigid frame 43 thus associated with the plate 4 is integral with the latter.
  • the plate 4 in fact comprises in this case three bands: a central band 41, which, by plastic deformation, by molding, hot deformation, stamping, for example, or other known method, has been preformed so as to have a convex shape and two lateral strips 42 and 42 ', which are detached from the central strip 41, and which are not deformed and therefore flat.
  • the strip 41 assumed to be deployed flat is substantially longer than the strips 42 and 42 '.
  • Two transverse bands 44, 44 ' which form one body with the central band 41, connect the lateral bands 42, 42', forming with them the associated rigid frame 43.
  • the plate 4 is circular in shape and is generally preformed into the shape of a spherical segment; the housing 31 of the cover 3 in which it is engaged by its periphery has an appropriate circular shape.
  • a seal can be attached to the plate 4 so as to seal the device.
  • the plate 4 can, if desired, be made of transparent material, synthetic material for example. thus recalling the usual “glass breakage”.
  • the rearming of the plate 4 can, according to the invention, take place without removing the cover 3.
  • Figure 8 shows for example how a specialized tool 5, introduced into the housing 1 through an opening 11 provided therein and giving access to the underside of the plate 4, allows the reshaping thereof .
  • the opening 11 is narrow, so that only a specialized tool or reset tool can be engaged therein.
  • only a portion of the plate used can be reversibly deformable between two stable forms; for example, with regard to the circular shape illustrated for this plate in FIG. 7, only the central portion of such a plate could be preformed into the shape of a spherical segment, the rest of this plate being otherwise plane.
  • the action member it controls is not necessarily a push button; it could for example be directly an electrical contact.
  • Such an action member can either be attached to the housing which contains it, or be integrated therein.
  • This box meanwhile, can be attached projecting on any support surface, or embedded therein, with for example, according to known methods, a fixing screw or claws.

Landscapes

  • Connection Of Plates (AREA)
  • Push-Button Switches (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Breakers (AREA)

Claims (10)

1. Auslösevorrichtung der Schutzscheibenart mit einem Betätigungsorgan und einer oberhalb dieses Betätigungsorgans angeordneten und jede ungewollte Betätigung derselben verhindernden Platte, wobei wenigstens ein Teil der Platte in reversibler Weise zwischen zwei stabilen Zuständen elastisch deformierbar ist und der eine Zustand einer Bereitschaftsstellung entspricht, bei der die Platte nach außen gewölbt ist und so das Betätigungsorgan in ausgerücktem Zustand beläßt, und der andere Zustand einer Auslösestellung entspricht, bei der die Platte nach innen gewölbt ist und so das Betätigungsorgan auslöst, dadurch gekennzeichnet, daß in dem Gehäuse (1) der Vorrichtung ein Durchtritt (11) vorgesehen ist, der den Zugang zu der unteren Fläche der Platte (4) ermöglicht.
2. Auslösevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Durchtritt (11) so eng ist, daß nur ein spezielles Werkzeug darin eingeführt werden kann.
3. Auslösevorrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß die Platte (4) durch eine Einrichtung zum Festklammern (31, 43) in ihrer Lage gehalten wird.
4. Auslösevorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Einrichtung zum Festklammern durch zwei gegenüberliegende Ausnehmungen (31) eines Deckels (3) gebildet ist, in welchen die Platte mit wenigstens einem Teil ihres Umfanges in Eingriff steht.
5. Auslösevorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Einrichtung zum Festklammern eine starre Einfassung (43) ist.
6. Auslösevorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Platte (4) zwei Teile aufweist, von denen der eine (41) in reversibler Weise deformierbar ist und der andere die ihm zugeordnete starre Einfassung (43) bildet.
7. Auslösevorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß der deformierbare Teil der Platte (4) ein zentraler Streifen (41) ist, wobei die starre Einfassung (43) durch zwei seitliche Streifen (42, 42'), welche vom zentralen Teil (41) getrennt sind, und durch zwei Querstreifen (44, 44') gebildet wird, welche ein Stück mit dem zentralen Teil (41) bilden und die seitlichen Streifen (42, 42') miteinander verbinden.
8. Auslösevorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß eine Dichtung auf die Platte (4) aufgesetzt ist, um die Vorrichtung dicht zu machen.
9. Auslösevorrichtung nach einem der Ansprüche 1 bis 8, bei welcher das Betätigungsorgan in einem Gehäuse (1) angeordnet ist, das durch einen Deckel (3) verschlossen ist, welcher einen Sitz für die Platte (4) bildet, dadurch gekennzeichnet, daß der Deckel (3) abnehmbar am Gehäuse angeordnet ist.
10. Auslösevorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Platte (4) aus transparentem Material besteht.
EP81401884A 1980-11-28 1981-11-27 Auslösevorrichtung der "Glasscheibeart" für Sicherheitskästen Expired EP0053557B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8025256A FR2495374A1 (fr) 1980-11-28 1980-11-28 Dispositif d'enclenchement du type " bris de glace "
FR8025256 1980-11-28

Publications (2)

Publication Number Publication Date
EP0053557A1 EP0053557A1 (de) 1982-06-09
EP0053557B1 true EP0053557B1 (de) 1985-01-30

Family

ID=9248435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81401884A Expired EP0053557B1 (de) 1980-11-28 1981-11-27 Auslösevorrichtung der "Glasscheibeart" für Sicherheitskästen

Country Status (5)

Country Link
EP (1) EP0053557B1 (de)
BR (1) BR8107820A (de)
DE (1) DE3168703D1 (de)
ES (1) ES261729Y (de)
FR (1) FR2495374A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1172284B (it) * 1982-08-03 1987-06-18 Kac Alarm Co Ltd Perfezionamento negli interruttori elettrici
FR2813705B1 (fr) * 2000-09-05 2002-11-29 Legrand Sa Dispositif declencheur manuel a membrane
FR2813704B1 (fr) * 2000-09-05 2003-10-31 Legrand Sa Dispositif declencheur manuel rearmable
EP1237167A3 (de) * 2000-12-05 2004-08-18 Necati Kaya Druckschalter zum irreversiblen Zuschalten eines elektrischen Stromkreises und damit bestückte Niederspannungsleuchteinheit bzw. gefässartiger Haushaltsgegenstand
FR2966962B1 (fr) * 2010-10-28 2012-11-30 Cooper Technologies Co Dispositif d'alarme incendie a declencheur manuel integre
CN106548608B (zh) 2015-09-18 2021-06-04 海湾安全技术有限公司 手拉报警装置推板

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424527A (en) * 1945-09-10 1947-07-22 Gen Electric Electric switch

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296404A (en) * 1964-08-28 1967-01-03 Master Specialties Company Protective instrument cover
US3297853A (en) * 1965-10-14 1967-01-10 Square D Co Emergency break-glass pushbutton
CH470061A (de) * 1968-02-29 1969-03-15 Siemens Ag Albis Schalttaste

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424527A (en) * 1945-09-10 1947-07-22 Gen Electric Electric switch

Also Published As

Publication number Publication date
EP0053557A1 (de) 1982-06-09
ES261729U (es) 1982-10-16
FR2495374B1 (de) 1983-09-09
BR8107820A (pt) 1982-09-08
ES261729Y (es) 1983-04-01
FR2495374A1 (fr) 1982-06-04
DE3168703D1 (en) 1985-03-14

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