EP0256900B1 - Dispositif pour l'interdiction sélective d'un ou plusieurs modes d'actionnement d'organes manuels de commande équipant un appareil - Google Patents

Dispositif pour l'interdiction sélective d'un ou plusieurs modes d'actionnement d'organes manuels de commande équipant un appareil Download PDF

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Publication number
EP0256900B1
EP0256900B1 EP87401598A EP87401598A EP0256900B1 EP 0256900 B1 EP0256900 B1 EP 0256900B1 EP 87401598 A EP87401598 A EP 87401598A EP 87401598 A EP87401598 A EP 87401598A EP 0256900 B1 EP0256900 B1 EP 0256900B1
Authority
EP
European Patent Office
Prior art keywords
cover
knob
positions
control member
face
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 - Lifetime
Application number
EP87401598A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0256900A1 (fr
Inventor
Bruno Jacquet
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9338301&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0256900(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Priority to AT87401598T priority Critical patent/ATE57026T1/de
Publication of EP0256900A1 publication Critical patent/EP0256900A1/fr
Application granted granted Critical
Publication of EP0256900B1 publication Critical patent/EP0256900B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
    • G05G5/08—Interlocking of members, e.g. locking member in a particular position before or during the movement of another member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset

Definitions

  • the present invention relates to a device for the selective and / or partial prohibition of one or more modes of actuation of manual control members fitted to an apparatus.
  • thermo relays with manual-auto reset It applies advantageously, but not exclusively, to devices of the overload relay type with manual and automatic reset generally called "thermal relays with manual-auto reset”.
  • a thermal relay is a protective device associated with a contactor. Its purpose is to monitor the current flowing in the load (for example of a motor), controlled by the contactor and to cause the opening of the latter in the event of overload, that is to say for a current which can for example, present a value between 1.05 and 1.2 times the nominal cost of the load, the value of which is indicated by the manufacturer.
  • This relay generally includes thermally deformable bimetallic elements heated by the current flowing through the load. From a certain threshold corresponding to an overload, these elements actuate a tripping device which controls the opening of a contactor.
  • the reset causing the load to be put back into service can be done manually and / or automatically depending on whether it is a manual reset relay or a manual-auto reset relay.
  • the invention therefore more particularly aims to eliminate this type of drawback.
  • a selective prohibition device capable of equipping a device housed in a housing, one of the faces of which comprises at least one manual control member with multiple functions which can be switched from one first position corresponding to a first function to a second position corresponding to a second function and, from at least one of these two positions, to a third position corresponding to a third function, said member being associated with a cover.
  • a device is known, for example, from document DE-A 2 950 438.
  • this device is more particularly characterized in that the cover is pivotally mounted on said housing, so that it can be applied in the folded position against said face, this cover being shaped so as to allow manual access to the actuating member and comprising means for authorizing the passage of this actuating member from the first two positions to the third position, while preventing its passage from one to the other of these two first positions.
  • said means equipping the cover may consist of polarization means cooperating with corresponding polarization means provided on the control member.
  • the actuating member consists of a button projecting from said face, this button being movable in rotation between two angular positions and in translation along its axis of rotation .
  • the cover has a cutout of a suitable shape to allow the passage of the button, while the shape of the button is provided so as to cooperate with the edge of said cutout so that in the folded position of the cover, the button cannot pass from one angular position to another while being able to be moved in translation.
  • said cutout and said button may have, one, at least one protruding shape, and the other, a re-entrant shape adapted to receive said protruding shape in one and / or the other of the two angular positions. button.
  • the cover can be used to prevent access, by overlap, to other actuating members of the device. It may also include other recesses allowing selective access to only part of the actuating members of the device.
  • Figures 1 and 2 schematically represent a thermal relay with "manual-auto" reset housed in a housing 1 whose vertical front face 2 is provided with a current adjustment button 3, a stop button 4 and d '' a selection / reset button 5.
  • the front face of the current adjustment knob 3 extends substantially in the plane of the face 2.
  • This knob 3 is movable in rotation and can comprise a slot allowing its actuation, for example using a screwdriver.
  • the stop button 4 which is movable in translation, in the manner of a pusher, is projecting relative to the face 2.
  • the vertical face 2 of the housing 1 is provided with a transparent lifting cover 6, articulated on the housing 1 by means of pins 7, 8 and which, in the folded position, covers the current adjustment button 3 while allowing the view of this setting and access to the stop button 4.
  • This cover 6 is further provided with an opening 9 for the passage of the selection / reset button 5, as well as a closing device 10 which cooperates with a homologous device 11 of the housing in order to keep it in the folded position and d '' a sealing device, ensuring the inviolability of the closure.
  • the selection / reset button 5 partly cylindrical, has a polarizing shape, in this case, an angular portion projecting at 90 ° , 12, while the opening 9 has a semicircular shape extended by a rectangular part whose two right angles correspond respectively to the two angular positions A and M of the button.
  • the width of the rectangular part is equal to the diameter of the semicircular shape and is slightly greater than the diameter of the button, so that it is not possible for the latter to switch from one of these two positions to the other. angular A, M without lifting the cover 6.
  • the selection of the auto or manual reset mode can only be carried out with the hood raised as well as the display of the current setting.
  • This keying is such that when the button 5 is selected on M (manual mode), it is possible to press this button 5 to obtain the reset without risking causing the rotation thereof.
  • This device therefore allows the installer to adjust the current and choose the reset mode during start-up.
  • the current adjustment button 3 ', the stop button 4' and the reset button 5 ' are carried by the upper face 13 of the housing 1.
  • the reset button 5 ′ is identical to that shown in FIGS. 1 and 2. On the other hand, it does not pass through the cover 6 ′ but cooperates for the coding with a cutout 14 forming a re-entrant angular region at right angles.
  • the cover 6 ' has an opening 15 through which the stop button 4' passes.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanical Control Devices (AREA)
  • Casings For Electric Apparatus (AREA)
  • Mechanical Operated Clutches (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Pyridine Compounds (AREA)
  • Water Treatment By Sorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Braking Systems And Boosters (AREA)
  • Machine Translation (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Fluid-Damping Devices (AREA)
  • Chairs Characterized By Structure (AREA)
  • Threshing Machine Elements (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
EP87401598A 1986-08-14 1987-07-08 Dispositif pour l'interdiction sélective d'un ou plusieurs modes d'actionnement d'organes manuels de commande équipant un appareil Expired - Lifetime EP0256900B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87401598T ATE57026T1 (de) 1986-08-14 1987-07-08 Apparat mit einer vorrichtung zur selektiven sperrung einer oder mehrerer stellungen eines handbetaetigten bedienelementes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8611736A FR2602889B1 (fr) 1986-08-14 1986-08-14 Dispositif pour l'interdiction selective d'un ou plusieurs modes d'actionnement d'organes manuels de commande equipant un appareil
FR8611736 1986-08-14

Publications (2)

Publication Number Publication Date
EP0256900A1 EP0256900A1 (fr) 1988-02-24
EP0256900B1 true EP0256900B1 (fr) 1990-09-26

Family

ID=9338301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87401598A Expired - Lifetime EP0256900B1 (fr) 1986-08-14 1987-07-08 Dispositif pour l'interdiction sélective d'un ou plusieurs modes d'actionnement d'organes manuels de commande équipant un appareil

Country Status (20)

Country Link
US (1) US4742190A (ja)
EP (1) EP0256900B1 (ja)
JP (1) JP2662400B2 (ja)
KR (1) KR900006460B1 (ja)
AT (1) ATE57026T1 (ja)
AU (1) AU596435B2 (ja)
BE (1) BE1004593A3 (ja)
BR (1) BR8703988A (ja)
CA (1) CA1274616A (ja)
CH (1) CH672033A5 (ja)
DE (1) DE3765212D1 (ja)
DK (1) DK166788B1 (ja)
ES (1) ES2008174A6 (ja)
FI (1) FI87702C (ja)
FR (1) FR2602889B1 (ja)
GB (1) GB2193841B (ja)
IN (1) IN171351B (ja)
IT (1) IT1222111B (ja)
MY (1) MY100588A (ja)
ZA (1) ZA875459B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9303463U1 (de) * 1993-03-09 1993-04-29 Siemens AG, 8000 München Abschließbare Sichtblende
US5664634A (en) * 1995-10-23 1997-09-09 Waxing Corporation Of America, Inc. Power tool
USD380069S (en) * 1995-10-23 1997-06-17 Waxing Corporation Of America, Inc. Detailing polisher
DE19548948C2 (de) * 1995-12-28 1999-10-21 Moeller Gmbh Schutzschalter mit gegen Einschalten sicherbarem Betätigungsgriff
US5955939A (en) * 1997-01-10 1999-09-21 Taylor; John A. Alarm station protector capable of being accessed by disabled individuals
FR2793948B1 (fr) * 1999-05-20 2001-06-29 Schneider Electric Sa Relais de protection et ensemble de commande protege a cablage frontal

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2377250A (en) * 1943-02-18 1945-05-29 Gen Motors Corp Switch
US3018341A (en) * 1958-02-10 1962-01-23 Bassani Spa Locking and safety device for electric switches
US3197582A (en) * 1962-07-30 1965-07-27 Fed Pacific Electric Co Enclosed circuit interrupter
US3313896A (en) * 1966-02-25 1967-04-11 Ite Circuit Breaker Ltd Rotary handle operator for circuit breaker with improved blocking position and latching cover structure
US3712819A (en) * 1971-11-23 1973-01-23 T Field Ventilated open-air indoor broiler having damper means and control therefor
US3710294A (en) * 1972-03-09 1973-01-09 Doerr Electric Corp Convertible thermal safety cut-out switch
US4074091A (en) * 1976-04-12 1978-02-14 Cutler-Hammer, Inc. Interlocking operating mechanism for enclosed switchgear having defeater interlock
US4077276A (en) * 1976-10-21 1978-03-07 Knox Jr William G Actuator lever lock for a four wheel drive vehicle transfer case
CH604275A5 (en) * 1977-02-10 1978-08-31 Landis & Gyr Ag Preselectable blocking mechanism for programme switch knob
US4183257A (en) * 1978-02-24 1980-01-15 Lovenduski Timothy J Safety device for locking the position of a lever arm
JPS54129770U (ja) * 1978-03-02 1979-09-08
JPS6228021Y2 (ja) * 1979-08-13 1987-07-18
DE2950438C2 (de) * 1979-12-14 1985-11-14 Siemens AG, 1000 Berlin und 8000 München Abdeckhaube für thermisches Schutzrelais
GB8422283D0 (en) * 1984-09-04 1984-10-10 Horstmann Gear Group Ltd Electrical switches
DE8509653U1 (de) * 1985-03-30 1985-05-15 Braun Ag, 6000 Frankfurt Schalterverriegelung für ein Gerät mit einem Klappdeckel

Also Published As

Publication number Publication date
FI87702C (fi) 1993-02-10
CA1274616A (fr) 1990-09-25
FI873516A (fi) 1988-02-15
MY100588A (en) 1990-12-15
DK166788B1 (da) 1993-07-12
EP0256900A1 (fr) 1988-02-24
GB2193841B (en) 1990-01-31
FI873516A0 (fi) 1987-08-13
ZA875459B (en) 1988-02-04
IT1222111B (it) 1990-08-31
GB8716806D0 (en) 1987-08-19
IT8721418A0 (it) 1987-07-23
BR8703988A (pt) 1988-04-05
KR880003236A (ko) 1988-05-14
BE1004593A3 (fr) 1992-12-22
DK423187A (da) 1988-02-15
GB2193841A (en) 1988-02-17
JPS6346526A (ja) 1988-02-27
FI87702B (fi) 1992-10-30
ATE57026T1 (de) 1990-10-15
ES2008174A6 (es) 1989-07-16
DE3765212D1 (de) 1990-10-31
IN171351B (ja) 1992-09-19
JP2662400B2 (ja) 1997-10-08
DK423187D0 (da) 1987-08-13
US4742190A (en) 1988-05-03
KR900006460B1 (ko) 1990-08-31
CH672033A5 (ja) 1989-10-13
AU596435B2 (en) 1990-05-03
AU7575287A (en) 1988-02-18
FR2602889B1 (fr) 1988-11-10
FR2602889A1 (fr) 1988-02-19

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