EP0031038B2 - Mécanisme interrupteur pas à pas - Google Patents

Mécanisme interrupteur pas à pas Download PDF

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Publication number
EP0031038B2
EP0031038B2 EP80107245A EP80107245A EP0031038B2 EP 0031038 B2 EP0031038 B2 EP 0031038B2 EP 80107245 A EP80107245 A EP 80107245A EP 80107245 A EP80107245 A EP 80107245A EP 0031038 B2 EP0031038 B2 EP 0031038B2
Authority
EP
European Patent Office
Prior art keywords
locking
pinion
slides
switch mechanism
housing
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
EP80107245A
Other languages
German (de)
English (en)
Other versions
EP0031038A1 (fr
EP0031038B1 (fr
Inventor
Hansrudolf Lehmann
Hans Wermelinger
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.)
Rheinmetall Air Defence AG
Original Assignee
Contraves AG
Oerlikon Contraves AG
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
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Application filed by Contraves AG, Oerlikon Contraves AG filed Critical Contraves AG
Publication of EP0031038A1 publication Critical patent/EP0031038A1/fr
Application granted granted Critical
Publication of EP0031038B1 publication Critical patent/EP0031038B1/fr
Publication of EP0031038B2 publication Critical patent/EP0031038B2/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/001—Thumb wheel switches
    • H01H19/003—Thumb wheel switches having a pushbutton actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1529—Slide actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1584—Gripper mountings, slide

Definitions

  • the invention relates to a forward and reverse switchable stepping mechanism for a multi-stage switch, which switching mechanism is arranged in a housing and has an integral drive, on which a return spring acts and which is provided with two push buttons, two switching elements and a latching element which can be actuated by push buttons one switching element each with a linear working movement of one of the two plungers can be brought into engagement with a pinion of a character carrier arranged on the axis of symmetry of the housing and in operative connection with the locking element, and the locking element arranged at a distance from the switching elements can be bridged and resiliently flexible with the housing on both sides -Symmetry axis is guided parallel plunger and carries a molded, symmetrically arranged with respect to the housing axis of symmetry and in the rest position with the pinion meshing cams.
  • a step-by-step mechanism of this type is known from DE-C 2 262 274.
  • the push button is formed in one piece with the push buttons.
  • the push buttons are each connected to the push button via a resilient web, the push button being arranged in the housing to be longitudinally displaceable and slightly tiltable in two directions.
  • half a switching step is achieved by the engagement of a transport pin on the number wheel, which is completed by the restoring force of a spring when the button slides back through a transport wedge.
  • the rotary movement of the number wheel takes place jerkily in two phases and essentially counter to the respectively actuated button.
  • a stepping mechanism for a key coding switch in which a push button is provided for the forward and reverse switching step.
  • the individual button is provided with approximately C-shaped actuating and locking cams, which essentially grip over the ring gear of a character carrier.
  • the associated actuating cam sets the ring gear in motion, while the locking cam of the other button is deflected from its rest position by the ring gear.
  • EP-A 0 006 967 discloses a step-by-step mechanism for a multistage switch, which has two functionally separate actuating elements provided with plungers, molded switching elements and spring elements.
  • the individual switching element for the switching process is inevitably deflectable from a rest position, can be brought into engagement with the pinion of a character carrier and, after the switching step has been completed, can be returned to the rest position by the restoring force of the spring elements.
  • a stepping mechanism which can be actuated forwards and backwards can be gathered, in which the latching element is a component separate from the tappets - namely a spring-loaded element Ball - is, which is guided in a guide attached to the housing of the stepping mechanism and in one version with the pinion and in another with a specially provided, rotatable with the pinion and locking points for the ball ring.
  • the tappets are linearly guided by means of special guide elements and have rigid actuating pawls attached to them, which interact with the teeth of the pinion.
  • a third embodiment already deviates from the invention in that the drive is not formed in one piece, but consists of two actuating slides and a yoke, which parts are not connected to one another in a flexurally elastic manner, but non-positively via curved surfaces.
  • the invention has for its object to provide a step-by-step mechanism in which, by pressing once, an exact, completed switching step is achieved in the direction of the push button actuated, without the need for highly precise dimensional tolerances of the individual parts or an adjustment.
  • the drive should be in one piece, ensure simple assembly without additional aids and be able to be produced from plastic in the known injection molding process. These requirements should also be achievable when it comes to a miniature stepping switch.
  • FIG. 1 shows a sectional top view of a pushbutton switch 100, and a housing 60 can be seen, which is formed from a side wall 50, an end face 41, an upper and a lower wall 59, 59 'and a rear wall 56.
  • a stepping mechanism consisting essentially of a drive 30, a character carrier 79 with a toothed pinion 80 fastened thereon and a spring 70.
  • the drive 30, which is designed to be mirror-symmetrical with respect to the axis of symmetry of the housing, comprises two pushbuttons 21, 21 '; two sets 14, 14 '; two from elements 22, 22 '; 24, 24 'and 28, 28' switching elements 23, 23 'formed as well as a from the elements 37; 38, 38 '; 39, 39 'formed locking element 40.
  • the drive 30 is associated with the plungers 14, 14' on pins 61, 61 'and on the inside 57, 57 ' of the wall 59, 59 'and with the switching elements 23, 23' Pins 54, 54 'and 53, 53' guided.
  • the switching element 23 arranged at the front end is integrally formed on the plunger 14 with the web 22 and runs approximately parallel to the plunger 14 with the stepped switching arm 24.
  • a switching cam 28 is formed which has a contact surface 27 and an inner surface 25. The contact surface 27 and the inner surface 25 enclose an acute angle.
  • an angular corner piece 19 or 6 is formed on each end of the plunger 14.
  • the corner pieces 19 and 6 are separated from one another by a recess 29.
  • the corner piece 19 consists of an end wall 18 with an end face 20 and a side wall 15 arranged at right angles thereto.
  • the push button 21 is arranged on the end face 20.
  • the side wall 15 is wedge-shaped and is delimited by an outer surface 16 running parallel to the plunger 14 and an inner surface slightly inclined thereto.
  • the corner piece is designed analogously and has an end wall 9 and an inner side 8 which runs parallel to the plunger 14 and on which a recess 7 is provided to hold the spring 70 (FIG. 1).
  • the side wall 10 has an outer surface 11 and an inner surface 12, both of which run parallel to the plunger 14.
  • a second inner surface 13 is slightly inclined to the outer surface 11 and gives the outer wall 10 a wedge-shaped end.
  • the V-shaped locking element 40 consisting of a locking arch 34 and the locking cam 37, is formed on the other end of the drive 30.
  • the latching arch 34 essentially comprises the linear latching arm 38 and the latching arm 38 'which is integrally formed in mirror image, not shown here, and a middle piece 33 on which the latching cam 37 is integrally formed.
  • the angle between the locking arm 38 or 38 'and the plunger 14 or 14' is approximately 45 °, the angle between the locking arm 38 and the mirror-image locking arm 38 'is approximately 90 °.
  • the latching cam 37 has a convexly curved latching surface 35 and a concavely curved inner surface 36, which run essentially parallel to one another.
  • the locking element 40 is in relation to the push buttons 21, 21 'in the direction of the arrows 1 and 2 (FIG. 1). applied forces are designed to be flexible.
  • Fig. 3 the switch is shown in a sectional view along the line III-III in Fig. 1 and the housing 60 can be seen, which is closed on one side by the side wall 50 and open on the other opposite side. Furthermore, one can see the pins 54, 53 and 61, the elements 21, 24, 28, 27 and 38 of the drive 30, the pinion 80 rotatable about an axle pin 52 and the spring 70 mounted on a cam 55 and engaged in the recess 7.
  • the open side is closed by a circuit plate 44 shown at a distance from the open side for the sake of simplified illustration and by an end plate 43 also shown at a distance from the housing 60, for which purpose the housing 60 has at least one pin 46 at the corners, which snaps into a correspondingly assigned and provided in the end plate 43 bore 42.
  • the corners of the side wall 50 are each provided with a bore 48, into each of which a pin 49 of an end plate 47 engages.
  • a drive 130 according to a second variant is shown isometrically in FIG. 4 and the switching element 23 can be recognized by the pushbutton 21 and the web 22 and the switching element 23 'shown in part with the pushbutton 21' and the bumps) 114, 114 '.
  • This variant differs only in the embodiment of the locking element 140 from the drive 30 according to FIG. 2.
  • the latching element 140 is V-shaped and comprises a central part 133 designed as a latching arch 134, which has a latching cam 137 provided with latching surfaces 135, 135 'on its upper side 131.
  • Two locking arms 138, 138 ' are formed on the locking arch 134 and in the central region 115, 115' of the plunger 114, 114 '.
  • the latching surfaces 135, 135 'arranged on the latching cam 137 enclose an obtuse angle, while the latching arm 138 or 138' with the half articulated towards the pushbutton 21, 21 ' forms an angle of approximately 135 with respect to the plunger 114 or 114 ' ° includes.
  • the reference numerals not shown in FIG. 4 for the individual elements are identical to the reference numerals of the corresponding elements according to FIG. 2.
  • FIG. 5 shows in section a push button switch 200 with the parts 70, 79, 80 arranged in the housing 60 and the drive 130 according to the second variant shown in FIG. 4.
  • the housing 60 corresponds to the parts 41; 46, 46 ', 50; 52, 53, 53 '; 54, 54 ';55;56; 59, 59 'and 61, 61' the housing described with reference to Figure 1
  • the drive 130 with the essential elements 21, 21 '; 23, 23 ' 114, 114' and 140 corresponds to the drive described with reference to FIG. 4.
  • step switch in conjunction with the push button switch is described below.
  • the switching mechanism which can be switched forwards and backwards and is used in the housing 60 optionally consists of the drive 30 according to FIG. 2 or the drive 130 according to FIG. 4, and the symbol carrier shown only schematically and in outline 79 with the pinion 80.
  • the end face 41 of the housing 60 has a window 45 for reading the character carrier 79 and two openings 51, 51 ' for pushing through and guiding the pushbuttons 21, 21' of the corresponding drive 30 or 130.
  • the locking cam 37 is inevitably shifted in the direction of the arrow 1, as a result of which it moves away from the pinion 80 and unlocks it.
  • the contact surface 27' of the switching cam 28 ' engages with the pinion 80 and, when pressed further, causes the character carrier 79 to rotate by a full switching step of 36 °.
  • a deflection of the switching element 23 ' is prevented by the pins 54' and 53 'which are firmly connected to the side wall 50.
  • the switching step in the direction of arrow 1 is ended and limited by contacting the corner piece 6 'with the associated pin 46'.
  • the restoring force of the spring 70 moves the plunger 14' of the drive 30 in the direction of the arrow 2, the latching cam 37 first engaging in a tooth gap 78 of the toothed pinion 80 and, after a further movement in the same direction, the inner surface 25 'of the switching element 23 'by which the pinion 80 now held by the locking cams 37 deflects against the plunger 14', which is made possible by the web 22 'which is designed to be flexible. Due to the deflection of the switching element 23 ' , the spring 70 can move the plunger 14' further in the direction of the arrow 2 until the switching cam 28 'has jumped over the pinion 80 and moves back into the rest position.
  • the pinion 80 moves approximately in the same direction as the locking cam 137 with each switching step. Since the pinion 80 now exerts no pressure on the locking cam 137, no pressure point is felt when actuated.
  • the housing with the pegs, stops, etc. arranged in the interior of the housing on the side wall and the drive can preferably be produced from suitable plastic in an economical injection molding process, so that rational mass production and thus also low manufacturing costs are ensured.
  • FIG. 6 shows a sectional top view of a push-button switch 300 and a housing 260 can be seen, which is formed from a side wall 250, an end wall 241, an upper and a lower wall 259, 259 'and a rear wall 256.
  • a stepping mechanism consisting essentially of a drive 230, a character carrier 279 with a toothed pinion 280 fastened thereon and a spring 270 extended on a pin 255 is arranged.
  • the mirror with respect to the housing symmetry axis Actuator 230 formed in a symmetrical manner essentially comprises two pushbuttons 221, 221 ' ; two bumps) 24,214 '; two of the essential elements 222, 222 '; 224, 224 'and 228, 228 ' switching elements 223, 223 'formed as well as a from the elements 235; 236, 236 ' ; 237, 237 ' ; 238 and 239, 239 'formed locking element 240.
  • FIG. 7 one half of the drive 230 is shown isometrically and with respect to the axis of symmetry or the section plane VII, and the pushbutton 221, the plunger 214, the switching element 223 and a part of the locking element 240 can be seen.
  • the switching element 223 arranged at the front end is formed laterally on the plunger 214 with the web 222 and runs approximately parallel to the plunger 214 with the stepped switching arm 224.
  • a switching cam 228 is formed, which has a contact surface 227 and an inner surface 225.
  • the contact surface 227 and the inner surface 225 form an acute angle.
  • an angular corner piece 219 or 206 is formed on both ends of the plunger 214.
  • the corner pieces 219 and 206 are preferably separated from one another by a recess 229.
  • the corner piece 219 consists of an end wall 218 with an end surface 220 and a side wall 215 arranged at right angles thereto.
  • the push button 221 is arranged on the end surface 220.
  • the side wall 215 is wedge-shaped and is delimited by an outer surface 216 running parallel to the tappet 214 and an inner surface 217 which is slightly inclined thereto.
  • the corner piece 206 likewise has an inner side 208 running parallel to the plunger 214, on which a recess 207 for holding the spring 270 (FIG. 6) is visible.
  • the side wall 210 has an outer surface 211 and an inner surface 212, both of which are inclined at approximately 30 ° to the plunger 214.
  • a second outer surface 213 is slightly inclined to the outer surface 211 and gives the outer wall 210 a wedge-shaped closure.
  • the locking element 240 which is only half visible and is U-shaped here, is formed approximately in the middle of the plunger 214.
  • the half of the latching element 240 which is mirror-symmetrical with respect to the axis of symmetry of the housing or the section plane VII, consists of the likewise U-shaped latching arch 235, which is reinforced by the base plate 238, and the latching cam 237 formed on the latching arch 235, which is essentially perpendicular to the sectional plane VII has standing locking surface 234.
  • the reference numerals not shown in FIG. 7 for the individual elements of the drive 230 are identical to the elements and reference numerals according to FIG. 6, the reference numerals of the elements of the drive 230 arranged on the other side of the housing symmetry axis being provided with a line.
  • step switch and the push button switch according to the third variant are described below.
  • the switchable forward and reverse switch mechanism inserted in the housing 260 consists of the drive 230 according to FIG. 7 and the schematically illustrated character carrier 279 with the pinion gear 280 rotatably arranged about the axis pin 252 (FIG. 6).
  • the end wall 241 of the housing 260 has a window 245 for reading the character carrier 279 and two openings 251, 251 ' for inserting and guiding the push button 221, 221 ' of the drive 230.
  • the plunger 214 guided on the one side on the inside of the wall 259 and on the other side through the link 261 which is firmly connected to the side wall 250 moves in the direction of arrow 201 against the restoring force of the spring 270
  • the movement of the plunger 214 and the locking element 240 is displaced in the direction of arrow 201, while the other plunger 214 'undergoes essentially no displacement.
  • a deformation which occurs essentially at the attachment points 239, 239 '.
  • deflection of the switching element 223 is prevented by the pin 254, which is firmly connected to the side wall 250.
  • the switching step in the direction of arrow 201 is ended by contacting the corner piece 206 with the rear wall 256 or the pin 246 of the housing 260.
  • the restoring force of the spring 270 moves the drive 230 in the direction of the arrow 202, the latching cam 237 ′ first engaging in an associated tooth gap 278 of the toothed pinion 280 and, after a further movement in the same direction, the second latching cam 237 engaging in the corresponding tooth gap .
  • the toothed pinion 280 held in place by the locking cams 237 ′ deflects the switching element 223, which continues to move in the direction of the arrow 202, toward the plunger 214, which is made possible by the elastically designed web 222.
  • the spring 270 can move the drive 230 further in the direction of the arrow 202 until the switching cam 228 has jumped over the toothed pinion 280 and is again in the Rest position moved.
  • the two locking cams 237, 237 ' press with their locking surfaces 234, 234' against the toothed pinion 280 by the restoring force of the spring 270, which is thereby fixed in position.
  • the housing with the pins, stops, etc. arranged on the inside of the side wall and the drive can preferably be produced from suitable plastic in an economical spraying process, so that rational mass production and thus also low manufacturing costs are ensured.
  • a flexible elastic attachment 262 or 262 ' is formed on each plunger 214 or 214' of the drive 230 at a distance from the corresponding push buttons 221 or 221 ' .
  • a wedge-shaped and spring-elastic cam 263 or 263' directed towards the inside of the wall 259 or 259 'is formed.
  • the cam 263 or 263 'assigned to the actuated plunger slides over a cam 264 or 264 ' formed on the inside of the wall 259 or 259 ' . The consequent deflection of the attachment 262 or 262 'is perceived as a pressure point at the switch.

Landscapes

  • Push-Button Switches (AREA)

Claims (8)

1. Mécanisme-interrupteur pas à pas, commutable en marche avant et en marche arrière pour un commutateur à échelons multiples, mécanisme-interrupteur logé dans un boîtier (60, 260) et comportant un moyen d'entraînement (30, 130, 230) réalisé en une seule pièce, sur lequel agit un ressort de rappel (70, 270), avec deux poussoirs (14, 14'; 214, 214') commandés par des boutons-poussoirs (21, 21'; 221, 221'), deux éléments de commutation (23, 23'; 223, 223') ainsi qu'un élément d'accrochage (40, 140, 240), et lors d'un mouvement de fonctionnement linéaire de l'un des deux poussoirs, un élément de commutation respectif peut être mis en prise avec un pignon denté (82, 180) d'un porte-chiffres (79, 279) monté suivant l'axe de symétrie du voîtier et coopérant avec l'élément d'accrochage, et l'élément d'accrochage (40, 140, 240) prévu à une certaine distance des éléments de commutation (23, 23'; 223,223') est relié par un pont et de manière élastique souple avec les deux poussoirs (14,14'; 214, 214') guidés parallèlement de part et d'autre de l'axe de symétrie du boîtier et portant une came d'encliquetage (37, 137; 237, 237') prévue et formée de manière symétrique par rapport à l'axe de symétrie du boîtier et en prise en position de repos avec le pignon denté (80, 280), caractérisé en ce que:
a) les éléments de commutation (23, 23'; 223, 223') qui peuvent être mis en prise avec le pignon denté (80, 280) pour l'opération de commutation, sont formés de manière à fléchir élastiquement par une entretoise (22,22'; 222, 222') à l'extrémité des poussoirs (14, 14' ; 114,114' ; 214, 214') munis des boutons-poussoirs (21, 21'; 221, 221'),
b) l'élément d'encliquetage (40, 140, 240) est formé sur des coiffes d'articulation des poussoirs (14, 14'; 114, 114'; 214, 214') de manière élastique en flexion avec des bras d'encliquetage (38, 38' ; 138,138'; 236, 236') et de manière à libérer le pignon denté (80,280) pendant l'opération de commutation, et
c) lors d'une opération de commutation le poussoir respectif en regard du poussoir actionné reste en position de repos sous l'influence du ressort de rappel (70,270).
2) Mécanisme-interrupteur pas à pas, commutable, selon la revendication 1, caractérisé en ce que les bras d'accrochage (38, 38') sont formés de manière élastique souple à l'autre extrémité des poussoirs en formant un élément d'accrochage (40) en V dont la pointe est dirigée dans la direction de manoeuvre, la partie médiane (33) tournée vers le pignon denté (80) présentant la came d'accrochage (37) dont la surface d'accrochage (35) courbée de manière convexe est tournée vers la partie médiane (33).
3) Mécanisme-interrupteur pas à pas selon la revendication 2, caractérisé en ce que les deux bras d'accrochage (38, 38') reliés aux poussoirs (14, 14') par des bases élastiques, souples (39, 39'), de l'élément d'accrochage (40) en forme de V font entre eux un angle d'environ 90° et par rapport aux poussoirs correspondants (14, 14') un angle d'environ 45°.
4) Mécanisme-interrupteur pas à pas selon la revendication 1, caractérisé en ce que l'élément d'accrochage (140) muni des bras d'accrochage (138, 138') dans la zone médiane (115, 115') du poussoir (114, 114') est en forme de V dont la pointe est dirigée dans la direction d'actionnement et sa partie médiane (133) comporte une came d'accrochage (137) munie de deux surfaces d'accrochage (135, 135') tournées vers le pignon denté (80).
5) Mécanisme-interrupteur pas à pas selon la revendication 4, caractérisé en ce que les deux bras d'accrochage (138, 138') de l'élément d'accrochage (140), reliés de façon élastique, souple aux poussoirs (114, 114') par des bases (119, 119' ) font, du côté tourné vers le pignon denté (80), un angle d'environ 90° et les deux surfaces d'accrochage (135, 135') de la came d'accrochage (137), en prise avec le pignon denté (80) font entre elles un angle obtus.
6) Mécanisme-interrupteur pas à pas selon la revendication 1, caractérisé en ce que l'élément d'accrochage (240) muni de bras d'accrochage (236, 236') élastiques, souples dans la zone médiane du poussoir (214,214') est en forme de U et comporte sur une arche d'accrochage (235), deux cames d'accrochage (237, 237') à une certaine distance l'une de l'autre et venant en prise par les surfaces d'accrochage (234, 234') avecd le pignon denté (280).
7) Mécanisme-interrupteur pas à pas selon la revendication 6, caractérisé en ce qu'à l'extrémité du poussoir (214, 214'), il est prévu un prolongement (262, 262') élastique, souple avec des cames en forme de coins (263, 263') qui comportent des cames (264, 264') sur la face intérieure de la paroi (259, 259') pour accentuer le point de pression lors de la manoeuvre des boutons-poussoirs (221, 221').
8) Mécanisme-interrupteur pas à pas selon l'une des revendications 1 à 7, caractérisé en ce que le pignon denté (80, 280) est couplé à un porte-chiffres (79, 279) qui effectue un mouvement de rotation orienté dans la direction du bouton- poussoir respectif, actionné (21, 21'; 221, 221').
EP80107245A 1979-12-19 1980-11-20 Mécanisme interrupteur pas à pas Expired EP0031038B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1124779 1979-12-19
CH11247/79 1979-12-19
CH219280 1980-03-20
CH2192/80 1980-03-20

Publications (3)

Publication Number Publication Date
EP0031038A1 EP0031038A1 (fr) 1981-07-01
EP0031038B1 EP0031038B1 (fr) 1984-04-11
EP0031038B2 true EP0031038B2 (fr) 1989-11-29

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EP80107245A Expired EP0031038B2 (fr) 1979-12-19 1980-11-20 Mécanisme interrupteur pas à pas

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US (1) US4383453A (fr)
EP (1) EP0031038B2 (fr)
DE (1) DE3067476D1 (fr)

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FR2531261B1 (fr) * 1982-07-28 1985-10-18 Fm Atel Meca Precision Commutateur electrique miniature
DE3429443A1 (de) * 1984-08-10 1986-02-20 Standard Elektrik Lorenz Ag, 7000 Stuttgart Tastschalter mit schrittschaltwerk
EP0340447A1 (fr) * 1988-05-06 1989-11-08 Oerlikon-Contraves AG Interrupteur à bouton-poussoir à plusieurs positions
US5881483A (en) * 1997-10-06 1999-03-16 C.J. Associates Ltd. Means for and methods of conveying information to prospective purchasers
CN112306165B (zh) * 2019-08-02 2023-09-08 戴尔产品有限公司 卡/机箱联接系统

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Publication number Publication date
EP0031038A1 (fr) 1981-07-01
DE3067476D1 (en) 1984-05-17
EP0031038B1 (fr) 1984-04-11
US4383453A (en) 1983-05-17

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