EP0377169A2 - Appareil interrupteur - Google Patents

Appareil interrupteur Download PDF

Info

Publication number
EP0377169A2
EP0377169A2 EP89123597A EP89123597A EP0377169A2 EP 0377169 A2 EP0377169 A2 EP 0377169A2 EP 89123597 A EP89123597 A EP 89123597A EP 89123597 A EP89123597 A EP 89123597A EP 0377169 A2 EP0377169 A2 EP 0377169A2
Authority
EP
European Patent Office
Prior art keywords
switching arm
switching
arm
support
switching device
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
Application number
EP89123597A
Other languages
German (de)
English (en)
Other versions
EP0377169A3 (fr
EP0377169B1 (fr
Inventor
Robert Kicherer
Willi Essig
Manfred Schwarze
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Gerate Blanc und Fischer GmbH
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 EGO Elektro Gerate Blanc und Fischer GmbH filed Critical EGO Elektro Gerate Blanc und Fischer GmbH
Publication of EP0377169A2 publication Critical patent/EP0377169A2/fr
Publication of EP0377169A3 publication Critical patent/EP0377169A3/fr
Application granted granted Critical
Publication of EP0377169B1 publication Critical patent/EP0377169B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/36—Thermally-sensitive members actuated due to expansion or contraction of a fluid with or without vaporisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle

Definitions

  • the invention relates to a preferably thermal switching device with at least one switch.
  • Such switching devices are used in particular to control or regulate the operation of electrical devices, preferably electrical heating devices, such as liquid heaters, e.g. Water or deep fryer heaters, grill or roasting plates, ovens or the like.
  • electrical heating devices such as liquid heaters, e.g. Water or deep fryer heaters, grill or roasting plates, ovens or the like.
  • liquid heaters e.g. Water or deep fryer heaters, grill or roasting plates, ovens or the like.
  • From DE-PSen 24 14 812, 24 14 813 and 25 40 499 temperature controllers are known.
  • the articulated arm which acts as a transmission lever from an expansion socket to the switch, is fastened to a supporting part (insulating body) with screws.
  • the object of the invention is to avoid disadvantages of known designs, preferably to give a switching device, in particular its effective components, high strength or rigidity with a simple and light construction.
  • At least one support part can be designed so that it extends along the switching arm more than a fifth or a quarter, preferably more than half of the free length of the switching arm, the supporting part with the largest part of this extension being in front of the rear End of the switching arm is located, ie extends from the rear end of the switching arm towards its front end, so that practically no additional overall length of the base body is required for the supporting part.
  • this support part it is conceivable to form this support part by means of a cross or edge web with a corresponding extension, but it would be better if at least one support part for the switching arm lies in a plane transverse to the articulation axis, it being possible for it to be designed in the form of a web or plate.
  • the shift arm forces act approximately in the level of the highest deformation resistance of the supporting part.
  • the support part could connect approximately parallel to the hinge axis to the rest of the base body, but its strength in the loading direction increases if it connects to the rest of the base body along a longitudinal boundary lying approximately parallel to the longitudinal direction of the switching arm or approximately at right angles to the hinge axis.
  • the receiving space can also be formed as a housing space delimited laterally by the supporting plates and on two opposite sides by the base body and the switching arm, even without additional components.
  • a support part being formed by a plate-shaped angle leg, for example, the angle edge of which lies transversely to the switching arm or the base body, it being possible for two support parts to be formed in one piece by the legs of a U-shaped support body.
  • Their distance can be approximately the width of the base body and also of the switching arm, so that the switching arm can be approximately as wide as the base body.
  • a switching arm made of thin sheet metal can also have a very flat spring characteristic or high strength.
  • the insulating body can be formed by at least one component separate from the insulating body, e.g. be made of sheet metal, in particular as a stamped and bent part. Since this support body is substantially stiffened by the support part, it can be made from relatively thin sheet metal, for example less than a millimeter thick (0.6 mm) thick, the sheet metal thickness of the support body approximately corresponding to that of the switching arm.
  • the switching arm can be connected to the base body or to a supporting part via a self-engaging, preferably a snap-in or snap-in connection, which does not require separate fastening means or separate assembly steps such as bending or squeezing processes. needs. This makes it easier for robots to mount the switchgear. A loosening of the connection between the switching arm and the base body during the operating time is also excluded.
  • a receiving space formed between the switching arm and the opposite base body is at least partially open between the laterally outer longitudinal edges of the switching arm to the rear end of the base body, so that e.g. parts of the actuating device located within the receiving space can engage in the corresponding opening, these parts can be accommodated more compactly or can be dimensioned larger without additional space, which in turn enables the switching stroke to be increased and the switching accuracy to be increased.
  • the insulating body made of ceramic material such as steatite
  • the insulating body made of ceramic material is exposed over a relatively large part of the length of the base body or protrudes beyond the supporting body and in the region of the supporting body as a particularly thin, approximately over the length of the supporting body and / or the latter Wide continuous plate can be formed.
  • the receiving space between the lateral support parts is limited by an insulating plate on the side opposite the switching arm.
  • the supporting body made of sheet metal also serves to fasten the switching device to a device cover or the like, the thin supporting body providing high elasticity. It can therefore absorb mounting deformations without transferring them to the functional parts.
  • the switching arm is held on the side of the base body, during this Attachment is made on its side facing away from the switching arm, so that deformations of the support body do not have to lead to changes in position or shape of the support parts.
  • the invention is particularly suitable for switching devices with a one-armed lever between the switch pressure point and the actuating device.
  • This actuating device expediently works depending on the temperature and can also be operated manually, e.g. can be infinitely adjusted to different operating temperatures or performance levels via an adjusting spindle.
  • It can be a membrane or expansion socket, which is connected to a temperature sensor on the electrical device via a capillary tube.
  • the expansion box is expediently located in the receiving space with a central axis that is approximately perpendicular to the joint axis or coaxially with the adjusting spindle, which can act directly on the expansion box. So this expansion box can have a large outer diameter, since it can partially reach through the window-like opening provided in the switching arm.
  • a switching device 1 has a flat, approximately plate-shaped base body 2, which is composed of a metal, approximately U-shaped support body 3 and a stepped plate-shaped, ceramic insulating body 4 fastened to it and outside of the support body 3 carries an exposed switch 5 in the form of a snap switch on one side of the insulating body 4.
  • a switch 5 in the form of a snap switch on one side of the insulating body 4.
  • the switch 5 carries a movable contact 7, to which a fixed contact 8 is assigned when the switching device serves as an on or off switch. Then there are two connecting elements.
  • the movable contact 7 is between two fixed contacts, each of which one of three connecting members 6 is assigned.
  • the elongated contact spring 9, which lies in a plane approximately parallel to the insulating body 4, is only at the iso with its end remote from the contact 7 lier body 4 cantilevered and forms between its ends by a transverse bead a curved projecting pressure member 10, via which the movable contact 7 is actuated.
  • an actuating device 11 which, in a mechanical series connection as a thermomechanical or thermohydraulic switching element, has a flat expansion socket 12 and an adjusting spindle 13 which is approximately the same axis as this and which is approximately at right angles to the level of the insulating body 4 and is threaded with respect to it
  • Base body 2 is axially adjustable.
  • the end of the adjusting spindle 13 protruding from the plate side of the base body 2 facing away from the switch 5 or from the expansion socket 12 serves for the rotational connection with an adjusting knob or the like for setting the switching device to different switching temperatures.
  • the other end of the adjusting spindle is opposite with a spherical end member of a central pressure plate on the associated side or on the associated membrane shell of the expansion socket 12, the end member being able to be at a distance from this pressure plate when the switching device 1 is switched off and is otherwise in contact with the pressure plate.
  • the expansion box 12 consists of two membrane shells which are tightly connected at their angled edges and which delimit a pressure expansion space between them, so that the expansion box 12 carries out an actuating movement which is adjustable by the adjusting spindle 13.
  • This is actuated on the switch 5 by a flat, for example made of spring steel, transfer freely cantilever switching arm 14 which runs approximately parallel to the level of the insulating body 4 and parallel to the base body 2.
  • Switch 5 and expansion socket 12 are approximately parallel between insulating body 4 and switching arm 14.
  • the expansion socket 12 is fastened with an axially projecting nipple between the ends of the switching arm 14 without additional fastening means by clawed insertion into an opening directly on the switching arm 14, so that it forms a self-contained unit with this.
  • the nipple can serve as a connection nipple for a capillary tube connected to the expansion socket 12 and carrying a temperature sensor at the other end, which form a system filled with an expansion fluid.
  • the Capillary tube connection can also be made on the other side.
  • the switching arm 14 carries an insulating actuating member 19 near its free end. It actuates the snap switch 5.
  • the adjusting spindle 13 carries between the expansion socket 12 and the base body 2 an approximately circular disk-shaped adjusting stop 15 which is secured against rotation and has a stop cam projecting over the circumference to limit the rotational path of the adjusting spindle 13.
  • the actuating stop 15 is attached with a non-circular through opening to a complementarily designed end section of the adjusting spindle 13 and axially secured in its attached position by a spring serving simultaneously as a detent spring 16 in that this spring is preloaded on the disc side of the actuating stop 15 facing away from the base body 2 slides and places the adjusting stop 15 against a corresponding annular shoulder of the adjusting spindle or a spindle bearing 18.
  • This spindle bearing 18 passes through the base body 2 both in the area of the support body 3 and the insulating body 4 in the form of a bushing, which e.g. is secured both axially and in the circumferential direction by clawing in a through opening of the support body 3. Due to the design described, the actuating stop 15 does not carry out the axial movements of the actuating spindle 13, but rather is axially displaceable relative to the actuating spindle 13.
  • tongue-shaped angled fastening members 17 with eye-like threaded holes are formed, which thus attach the switching device 1 or the base body 2 to the inside of a device panel or the like .
  • the supporting parts 20 project over the plate side of the insulating body 4 bearing the switch 5 by approximately its thickness and cover the associated areas of the lateral longitudinal sides 21 of the insulating body 4 so that the insulating body 4 lies almost centered between the inner sides of the supporting parts 20. At the same time, the supporting parts 20 extend with their free longitudinal edges almost to the level of the switching arm 14 that they are laterally on both sides of the circumference of the expansion socket 12 and at a distance from it.
  • the supporting parts 20 are made in one piece with the supporting body 3 from thin sheet metal by lateral angling. They widen the base body 2 only insignificantly beyond the insulating body 4.
  • the supporting parts 20 serve to hold or mount the switching arm 14, which in the region of its rear arm end 23 facing away from its front free arm end 22 forms an articulation zone 24 lying approximately in its plane with an articulation axis 25 which is approximately at right angles to the longitudinal direction of the base body 2 and is provided approximately parallel to its plane so that it lies in the region of the rear end of the base body 2 on the side of the expansion box 12 facing away from it.
  • the hinge zone 24 is formed by an approximately quarter-circle curved bend 27 of the rear end of the switching arm 14, which merges into an approximately flat mounting leg 26.
  • the rear end of the switching arm 14, which is approximately trapezoidally tapered towards the front in plan view, and the mounting arm 26 are approximately as wide as the base body 2 or as the clear distance between the supporting parts 20, so that the mounting arm 26 and thus the switching arm 14 can only be resiliently clamped position between the support members 22 is secured against lateral displacements relative to the base body 2 without play.
  • the bracket leg 26 is located at the rear end of the base body 2 or of the insulating body 4 and approximately in a plane perpendicular to the plane of the base body 2, the outside of the mounting arm 26 facing away from the switching arm 14 being essentially exposed.
  • each support member 20 connects via a longitudinal boundary 29 to the base body 2 or the support body 3, which is transverse or perpendicular to the hinge axis 25, and parallel to the plane of the base body 2 and / or in the plane of the support member 20 approximately in the plane of from the switching arm 14 facing plate side of the base body 2 or the insulating body 4, so that there is a very favorable transfer of forces from the support member 20 to the other base body 2.
  • the support members 20 are formed by lateral bends of an essentially flat base plate 30 of the support body 3, which bears against the aforementioned plate side of the insulating body 4, from which the fastening members 17 are formed and against which the spindle bearing 18 is secured.
  • the support body 3 comprises the associated longitudinal part of the insulating body 4 on both sides, the support body 3 with screws or the like engaging in internal threaded bores of the base plate 30 lying substantially all over the insulating body 4. is fastened to the insulating body 4 and forms a self-contained structural unit with this and possibly with the spindle bearing 18 and the switch 5.
  • the adjusting spindle 13 can then be screwed into this assembly from the base plate 30, then the actuating stop 15 and the detent spring 16 inserted, and finally the assembly consisting of the switching arm 14 and expansion socket 12 can only be pretensioned by a snap connection and positively secured without play.
  • the lateral edge regions 31 of the bracket leg 26 form strip-shaped plug-in members for insertion into plug-in slots 33, which are provided in the area of the rear end of the base body 2 or the support parts 20 in such a way that they are approximately at a right angle to or in a common plane of the base body 2 approximately parallel to the hinge axis 25 or even approximately in the hinge axis 25 seen level.
  • the plug-in slots 33 which extend transversely to the plate plane of the base body 2, could be formed by grooves open on the inner sides of the support parts 2, but expediently by openings in the support parts 20.
  • Each slot 39 is offset slightly inward from the plane 28 of the associated support member 20 in that it is delimited on both sides by two strip-shaped web projections 25 formed from the support member 20 by cranking, the web projections 35 via the oblique cranking in each case with both ends connect to the remaining support part 20 and form profiles which contribute to a further stiffening of the support part 20.
  • the insertion slots 33 extend approximately over the entire length of the web projections 35 including their offsets or over the largest part of the height of the associated supporting part 20.
  • the bracket leg 26 is also braced by a tilting displacement relative to the slot flanks so that it is at one point at a Slot flank and in the longitudinal direction of the slot at a distance therefrom is supported on the other slot flank.
  • the respective plug slot 33 can be inclined for this purpose at a few angular degrees according to FIG. 1, for example to the right or to the rear, so that the holding leg 26 in the tilting brace is nevertheless parallel to the adjusting spindle 13 or at right angles to the longitudinal direction of the switching arm.
  • a latching cam 36 which is formed in one piece with the switching arm 14 and which has a latching shoulder 37 projecting approximately at right angles to the supporting part 20 on its side facing the switching arm 14 and one on the side facing away from it Entry slope 38 forms.
  • a corresponding insertion slope 39 is also provided on each side of the free end of the bracket leg 26.
  • the insertion bevels 38 of the latching cams 36 run up against the free longitudinal edges of the supporting parts 20, these are spread out in a resilient manner, wherein the bracket leg 26 already engages with its end in the slot 33 and is guided thereby.
  • the insertion bevels 38 can optionally also run on a portion of the associated offset between the web projections 35 in the area of the associated slot end until they reach the area of the insertion slots 33, so that the supporting parts 20 spring back and thereby the locking cams 36 so lock that the switching arm 14 is positively secured in the opposite direction to the direction of insertion. Therefore, the associated slot ends of the plug-in slots 33 form counter shoulders 40 for the locking shoulders 37 of the locking cams 36. In the insertion direction, the switching arm 14 is secured by correspondingly striking the bracket leg 26 at the other slot ends.
  • the support leg 26 lies at least with its free end in a groove-shaped free space 41 which is delimited by the rear end face 42 of the insulating body 4 and a rear cross leg 43 of the support body 3, said cross leg being considerably narrower than the width of the support body 3 43 is angled from the rear end of the base plate 30 in the same direction as the supporting parts 20.
  • the boundary surfaces of the free space 41 formed in this way secure the support leg 26 against buckling deformations which may occur if the joint zone 24 is subjected to a correspondingly high load and could lead to loosening relative to the supporting parts 20.
  • the bracket leg 26 can be further stiffened by a U-shaped bead.
  • the support parts 20 support the detent spring 16 on the base body 2.
  • the detent spring 16 is a strip-shaped leaf spring which engages with slightly narrower ends in the bearing slots 44, which are approximately parallel to the plane of the base body 2 in the support parts 20 in front of the insertion slots 33 and close to the free longitudinal edges the support parts 20 are provided. Between the ends, the detent spring 16 is recessed for the passage of the adjusting spindle 13, the longitudinal strips formed thereby being bent approximately in the middle of the length of the detent spring 16 to form an approximately V-shaped cam. The closer to the rear end of the base body 2 cam serves as a locking cam 45 for engagement in a corresponding order Initial cutout of the actuating stop 15 in the zero or switched-off position of the switching device 1.
  • the other cam located on the opposite side of the actuating spindle 13, runs pretensioned in a skid-like manner on the associated end face of the actuating stop 15 in every rotational position of the actuating spindle 13 and, like the latching cam 45, holds the stop 15 resilient in its axial working position.
  • the stop cam of the actuating stop 15 is assigned a counter stop 46 on the associated side of the base body 2, which counterpart is expediently formed by a projection of the insulating body 4 and on the side of the actuating stop 15 facing away from the rear end of the base body 2 or between it and the switch 5 lies.
  • the insulating body 4 which is only indicated by dash-dotted lines in FIG.
  • a strain relief 48 for the capillary tube 49 indicated in FIG. 2 can be structurally combined with the cross leg 43 in a simple manner in that a curved tongue is punched out from the cross leg 43, with which the capillary tube 49 guided away from the expansion socket 12 is clamped can be fixed relative to the base body 2, so that any tensile stresses do not act on the connection of the capillary tube 49 to the expansion socket 12.
  • a tab 60 similar to the tab 6 can be formed, which can be provided for connecting a grounding line in the event that, for example, with a plastic stove cover, the ground does not have the controller is secured.
  • a window-like opening 50 is provided which extends over more than half the width of the base body 2 and extends from the rear arm end 23 of the switching arm 14 via the bend 27 and the largest Part of the height of the mounting leg 26 extends and lies approximately in the middle of the width of the base body 2 or approximately symmetrically to an axial plane of the expansion box 12 that is parallel to the longitudinal direction of the base body 2 and perpendicular to its plate plane.
  • the rear peripheral portion of the expansion box 12 can engage, so that an expansion box 12 of relatively large diameter can be accommodated without enlarging the base body 2 or the distance between the point of application of the expansion box 12 and the actuator 19 can be increased to achieve a greater leverage ratio .
  • the opening 50 can e.g. reach approximately to the free longitudinal edge of the cross leg 43.
  • the bracket leg 26 is approximately U-shaped in view, so that it connects only with spaced side legs 51 via the bends 27 to the switching arm 14, while these side legs 51 in their end region further away from the switching arm 14 via a transverse web 52 lying in the free space 41 are connected to one another.
  • a cover hood 53 is provided (FIG. 1, 2) which encapsulates all parts that are important for the work functions of the switching device 1 or encapsulate the load-sensitive parts to the outside and made of insulating material, especially plastic.
  • This cover hood 53 can engage with its tongue-shaped snap members 54, which protrude beyond its hood edge and lie between its ends approximately in the middle of the length of the base body, latching directly into the base body 2, in particular into the insulating body 4.
  • the snap members 54 directly adjoin the front ends of the support parts 20 and the outer sides of the snap members 54 and the associated outer sides of the cover hood 35 are approximately flush with the outer sides of the support parts 20.
  • the support parts 20 can only over a part of their height from the Cover hood 53 are reached, wherein the inwardly displaced plug-in slots 33 ensures that the lateral edge regions 31 of the bracket leg 26 do not protrude beyond the outer sides of the supporting parts 20.

Landscapes

  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermally Actuated Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Control Of Resistance Heating (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Push-Button Switches (AREA)
  • Eye Examination Apparatus (AREA)
  • Seal Device For Vehicle (AREA)
  • Vehicle Body Suspensions (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Lubricants (AREA)
EP89123597A 1988-12-31 1989-12-20 Appareil interrupteur Expired - Lifetime EP0377169B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3844472A DE3844472A1 (de) 1988-12-31 1988-12-31 Schaltgeraet
DE3844472 1988-12-31

Publications (3)

Publication Number Publication Date
EP0377169A2 true EP0377169A2 (fr) 1990-07-11
EP0377169A3 EP0377169A3 (fr) 1991-05-08
EP0377169B1 EP0377169B1 (fr) 1996-04-17

Family

ID=6370622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89123597A Expired - Lifetime EP0377169B1 (fr) 1988-12-31 1989-12-20 Appareil interrupteur

Country Status (10)

Country Link
US (1) US5029303A (fr)
EP (1) EP0377169B1 (fr)
JP (1) JPH0612650B2 (fr)
KR (1) KR940006000B1 (fr)
AT (1) ATE137057T1 (fr)
AU (1) AU637992B2 (fr)
DE (2) DE3844472A1 (fr)
ES (1) ES2085858T3 (fr)
TR (1) TR25488A (fr)
YU (1) YU249589A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908910A1 (fr) * 1997-10-08 1999-04-14 FAGOR, S.Coop Un dispositif commutateur thermiquement actionné, avec un écrou de calibrage
EP0908909A1 (fr) * 1997-10-08 1999-04-14 FAGOR, S.Coop Un dispositif commutateur thermiquement actionné, avec un bras d'actionnement
EP0908911A1 (fr) * 1997-10-08 1999-04-14 FAGOR, S.Coop Un dispositif commutateur thermiquement actionné, avec un composant de combinaison

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003745A1 (de) * 1990-02-08 1991-08-14 Ego Elektro Blanc & Fischer Schaltgeraet
DE4127747A1 (de) * 1991-08-22 1993-02-25 Ego Elektro Blanc & Fischer Kapillarrohr-leitungssystem sowie verfahren und vorrichtung zur herstellung eines kapillarrohr-leitungssystems
DE19704575C1 (de) * 1997-02-07 1998-08-06 Emerson Electric Gmbh Schaltgerät
IT237943Y1 (it) * 1997-10-01 2000-09-29 Prodigy Italiana Srl Termostato,ad elevata affidabilita',per la regolazione dellatemperatura in apparecchiature elettriche
US7595074B2 (en) * 2002-04-05 2009-09-29 University Of Massachusetts Lowell Polymeric antioxidants
US8723085B2 (en) 2010-11-24 2014-05-13 Pioneering Technology Corp. Temperature controlled/limiting heating element for an electric cooking appliance
CN102779683A (zh) * 2011-05-09 2012-11-14 浙江恒森机电有限公司 一种设有单极充气膜盒的温控器
CN104896925A (zh) * 2015-06-01 2015-09-09 侯如升 一种坩埚熔炼炉炉温调控开关

Citations (4)

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Publication number Priority date Publication date Assignee Title
GB744683A (en) * 1952-04-29 1956-02-15 Gen Electric Improvements in and relating to snap-action devices particularly for electric switches operating in response to temperature or pressure changes
FR2194036A1 (fr) * 1972-07-24 1974-02-22 Mess & Regelungst Veb K
US3869690A (en) * 1973-03-08 1975-03-04 American Thermostat Corp Double acting snap switch
FR2266215A1 (fr) * 1974-03-27 1975-10-24 Fischer Karl

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US2647962A (en) * 1950-01-11 1953-08-04 Ark Les Switch Corp Switch for electric ranges
DE1123059B (de) * 1958-12-24 1962-02-01 Karl Fischer Schutzschalter fuer elektrische Kochplatten
DE2261385C3 (de) * 1971-12-29 1978-09-28 Jean Dr. Paris Arouete Elektromagnetische Verriegelungsvorrichtung eines Schlosses
JPS5228080U (fr) * 1975-08-20 1977-02-26
DE2540499C3 (de) * 1975-09-11 1979-09-20 Fischer, Karl, 7519 Oberderdingen Temperaturregler für Elektrogeräte mit einer Ausdehnungsdose
US4274546A (en) * 1977-12-29 1981-06-23 Robertshaw Controls Company Condition responsive electrical switch construction and parts and methods therefor
AT371970B (de) * 1978-08-10 1983-08-25 Fischer Karl Temperaturbegrenzer mit einem temperaturfuehlorgan
JPS5978421A (ja) * 1982-10-25 1984-05-07 松下電器産業株式会社 熱動開閉器
DE3606508A1 (de) * 1986-02-28 1987-09-03 Jung Albrecht Fa Schaltmechanismus fuer ein elektrisches installationsgeraet
US4701734A (en) * 1986-03-27 1987-10-20 Niles Parts Co., Ltd. Hinge type relay
US4698612A (en) * 1986-11-13 1987-10-06 Eaton Corporation Temperature limiting control

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB744683A (en) * 1952-04-29 1956-02-15 Gen Electric Improvements in and relating to snap-action devices particularly for electric switches operating in response to temperature or pressure changes
FR2194036A1 (fr) * 1972-07-24 1974-02-22 Mess & Regelungst Veb K
US3869690A (en) * 1973-03-08 1975-03-04 American Thermostat Corp Double acting snap switch
FR2266215A1 (fr) * 1974-03-27 1975-10-24 Fischer Karl

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908910A1 (fr) * 1997-10-08 1999-04-14 FAGOR, S.Coop Un dispositif commutateur thermiquement actionné, avec un écrou de calibrage
EP0908909A1 (fr) * 1997-10-08 1999-04-14 FAGOR, S.Coop Un dispositif commutateur thermiquement actionné, avec un bras d'actionnement
EP0908911A1 (fr) * 1997-10-08 1999-04-14 FAGOR, S.Coop Un dispositif commutateur thermiquement actionné, avec un composant de combinaison
NL1007227C2 (nl) * 1997-10-08 1999-05-04 Fagor Schakelinrichting, in het bijzonder een thermische schakelinrichting, met klinkmoer.
NL1007228C2 (nl) * 1997-10-08 1999-05-04 Fagor Schakelinrichting, in het bijzonder een thermische schakelinrichting.
NL1007229C2 (nl) * 1997-10-08 1999-05-04 Fagor Schakelinrichting, in het bijzonder thermische schakelinrichting met combinatie-onderdeel.

Also Published As

Publication number Publication date
KR940006000B1 (ko) 1994-06-30
AU637992B2 (en) 1993-06-17
US5029303A (en) 1991-07-02
TR25488A (tr) 1993-05-01
EP0377169A3 (fr) 1991-05-08
ATE137057T1 (de) 1996-05-15
JPH0612650B2 (ja) 1994-02-16
JPH02270236A (ja) 1990-11-05
ES2085858T3 (es) 1996-06-16
EP0377169B1 (fr) 1996-04-17
AU4726489A (en) 1990-07-05
DE58909658D1 (de) 1996-05-23
KR900010840A (ko) 1990-07-09
DE3844472A1 (de) 1990-07-05
YU249589A (sh) 1992-09-07

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