US3514565A - Electric contact device used with push-button activation - Google Patents

Electric contact device used with push-button activation Download PDF

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Publication number
US3514565A
US3514565A US740374A US3514565DA US3514565A US 3514565 A US3514565 A US 3514565A US 740374 A US740374 A US 740374A US 3514565D A US3514565D A US 3514565DA US 3514565 A US3514565 A US 3514565A
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US
United States
Prior art keywords
push
button
contact
contact device
strip
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
US740374A
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English (en)
Inventor
Gerard Juery
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
Application filed by La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Application granted granted Critical
Publication of US3514565A publication Critical patent/US3514565A/en
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
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/04—Attachments; Connections

Definitions

  • the invention relates to an electric contact device which may be employed in various industrial fittings, in particular for push-buttons and, more particularly still, pushbuttons provided with a luminous signalling device for electric control panels.
  • buttons are already known in which a signal lamp is incorporated in and concentric with the push-button. Since it is necessary to place a contact device under the button, one must provide a base sufliciently large to house the contacts, which much greater than the width of the button. If it is desired to accommodate several' similar devices side by side, mounting takes up too much space on the synoptic diagram of the panel.
  • the intermediate element is a pivoting element with two arms, one of said arms receiving the action of the push-button and the other arm acting on the free end of the strip.
  • the flexible strip is straight and thus requires great depth to accommodate itself.
  • control member acts on the free end of a curved strip, deforming it.
  • setting up of the contact is not firm, the pressure of the movable contact stud of the strip on the stationary stud varying according to the final position of the control member or the final position of the control member on the strip.
  • the invention removes these disadvantages. It provides a contact device of compact shape and which may easily be housed within a perimeter but little larger than that of the push-button without increasing the necessary depth of the panel while at the same time preserving a firm contact. It also provides a contact system which may easily be transformed from the working contact arrangement to the idle contact arrangement. Finally, it permits what is called over-travel, that is to say that the opening or closing path of the contact studs remains independent of a more or less long action of penetration of the control push-button.
  • the invention relates to a contact device of the type in which the cam effect exerts itself on the free end of a flexible contact strip by means of a pivoting intermediate element with two arms, the one actuated by the pushbutton, the other acting on the strip, characterized in that the strip is curved and that the free end of the latter is gripped by the arm of the intermediate element acting thereon, whereas the other arm comprises two surfaces, viz, one surface parallel to the path of the push-button and a slanting surface forming a cam relative to the pivotin g point of the intermediate element.
  • the push-button with the actuating rod slides in a base provided with an oblong chamber receiving two pivoting spindles and, at its centre, the actuating rod which carries two dogs on opposite faces, whereas two intermediate elements or inverted strikers are actuated on either side by said dogs.
  • the push-button may be luminous and comprise a chamber in which is housed a signal lamp whereas the actuating rod sliding in the chamber of the base ends in a fork to surround the lamp.
  • FIGS. 1 and 2 are views in longitudinal and orthogonal section the one relative to the other of a device according to the invention
  • FIGS. 3 and 4 are views on a larger scale showing two different actuating strikers and their accessory members
  • FIGS. 5 to 8 are explanatory diagrams of the operation of said strikers
  • FIG. 9 is a broken perspective view of the whole device according to the invention.
  • FIG. 10 shows, in elevation, several devices according to the invention arranged side by side.
  • the electric contact device comprises at least one insulating striker l1 capable of pivoting about a stationary spindle 2.
  • a flexible strip 3 curved in a semicircle is secured by one of its ends 4 to a stationary conducting terminal 5.
  • the other end 6 of the strip carries a movable contact 7 and is gripped, before the contact between two elongated lugs 8a fixed one op posite the other at the end of an extension 8 of the striker. It will be understood that due to its pivoting the said striker may bring the movable contact 7 of the strip 3 against a stationary contact 9 integral with another stationary conducting terminal '10.
  • the pivoting of the striker 1 may be realised by means of an operating dog 11 carried by a sliding rod 12 integral with the push-button 13.
  • This operating dog 11 may operate a lateral extension or arm 14 of the striker.
  • This arm is provided with two surfaces 15 and 16 for contact with the dog.
  • the surface 15 is parallel to the path of the dog 11.
  • the surface 16 is slanting.
  • the parallel surface 15 follows the slanting surface 16, always relative to the beginning of the arm.
  • the obliqueness of the surface 16 is directed towards the stationary pivoting spindle 2 of the striker, whereas, in the second case, it diverges therefrom.
  • the slanting surface 16 permits, when the direction of the dogs travel is f the escape of the arm 14 and thus the pivoting of the striker 1 under the action of a spring 17 hearing on a stationary point 17a. During its pivoting, the striker 1 forces the movable contact 7 against the stationary contact 9.
  • the slanting surface 16 acts as a cam and straightens up the position of the striker 1 against the spring 17, so that the movable contact 7 leaves the stationary contact 9.
  • the device such as shown in FIGS. 1, 3, 5 and 6, is a working contact device (contact upon penetration of the push-button), whereas the one shown in FIGS. 4, 7 and 8 is an idle contact device (contact upon return of the push-button under the action of its recall spring 18).
  • the device according to the invention may be provided with two pivoting spindles 2 and it is thus possible to adapt thereto two strikers which may be of the same type or of different types.
  • the sliding rod 12 has two operating dogs 11 on opposite faces of said rod and that the strikers are in inverted positions the one relative to the other.
  • the base 19 has in the inside an oblong chamber 19a designed to receive the unit constituted by the sliding rod 12, the striker of strikers 1 and the flexible strip or strips 3 carrying the movable contacts.
  • the bed 20 of the base is traversed by the current supply terminals 5 and 10 connected, respectively, to the flexible strips 3 and the stationary contacts 9.
  • the base 19 receives in grooves or recesses 21 ratchet springs 22 so that it may be fixed on the supporting plate 23.
  • a flange 24 of the base limits its penetration in the plate 23.
  • the push-button 13 may have on the inside a chamber 25 (communicating with the chamber 19a of the base) adapted to receive a signal lamp 26 fixed in a socket 27. Wires 28 and 29 supply the current to the lamp.
  • the sliding rod 12 comprises a fork the arms 30 of which surround the lamp.
  • the shape of the push-button and its base is very compact and permits the accommodation of the control and contact members, without increasing the perimeter of the base nor its depth behind the supporting plate 23.
  • the opening or closing path of the contacts is independent of a more or less long penetration travel of the push-button 13 and thus of the sliding rod 12, alone the surfaces 15 and 16 of said rod intervening in this case. Once their action undertaken, it is of little importance whether the rod 12 be in overtravel.
  • An electric contact device for use with push-buttons Comprising at least one curved flexible strip having a free end and carrying a movable contact stud on said free end mounted opposite a stationary contact stud,
  • said first arm having two surfaces, one of said surfaces parallel to the path of movement of the pushbutton, the other of said surfaces forming a cam oblique relative to the path of movement of the push-button whereby the device has a perimeter not greater than that of the push-button.
  • said flexible strip is curved in the form of substantially a semicircle.
  • the device according to claim 1 further including a base in which the push-button slides and an oblong chamber in said base, said oblong chamber containing an extension of the push-button in the shape of an actuating rod,
  • the device according to claim 5 further including a bed in the lower part of said base,
  • the device according to claim 5 further including grooves made on the periphery of the base of general prismatic shape,

Landscapes

  • Push-Button Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
US740374A 1967-06-30 1968-06-26 Electric contact device used with push-button activation Expired - Lifetime US3514565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR112728A FR1537051A (fr) 1967-06-30 1967-06-30 Dispositif de contact électrique, en particulier pour bouton-poussoir de tableau électrique

Publications (1)

Publication Number Publication Date
US3514565A true US3514565A (en) 1970-05-26

Family

ID=8634268

Family Applications (1)

Application Number Title Priority Date Filing Date
US740374A Expired - Lifetime US3514565A (en) 1967-06-30 1968-06-26 Electric contact device used with push-button activation

Country Status (11)

Country Link
US (1) US3514565A (enrdf_load_stackoverflow)
AT (1) AT284239B (enrdf_load_stackoverflow)
BE (1) BE716717A (enrdf_load_stackoverflow)
CH (1) CH488270A (enrdf_load_stackoverflow)
DE (1) DE1765633B1 (enrdf_load_stackoverflow)
DK (1) DK124568B (enrdf_load_stackoverflow)
ES (1) ES355589A1 (enrdf_load_stackoverflow)
FR (1) FR1537051A (enrdf_load_stackoverflow)
GB (1) GB1197355A (enrdf_load_stackoverflow)
NO (1) NO126650B (enrdf_load_stackoverflow)
SE (1) SE330199B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651295A (en) * 1969-08-12 1972-03-21 David Foley Electrical switches with indicator means
US4398075A (en) * 1980-07-08 1983-08-09 Elekto-Apparatebau Olten, A.G. Mechanical switch

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163740A (en) * 1962-03-19 1964-12-29 Patent License Corp Push-button switch assembly
US3265847A (en) * 1964-01-16 1966-08-09 Telex Corp Push button switch having indicator means
US3274369A (en) * 1964-11-12 1966-09-20 John B Quinn Service signal light
US3320394A (en) * 1963-06-21 1967-05-16 Cie Generale Entpr Elec Module switch having a rotatable and reciprocal actuator
US3334209A (en) * 1965-12-27 1967-08-01 F & F Entpr Inc Switch construction with attached light

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR363486A (fr) * 1906-02-10 1906-08-01 Soc Ind Des Telephones Constr Organes d'appel des abonnés à l'usage des bureaux téléphoniques
CH179269A (de) * 1932-05-28 1935-08-31 Siemens Ag Schaltungsanordnung für Fernmelde-, insbesondere Fernsprechanlagen mit an gemeinsamer Leitung liegenden, wahlweise anrufbaren Abzweigstellen.
CH244267A (de) * 1945-07-10 1946-08-31 Siemens Ag Albis Zweistufiger Drucktastenschalter.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163740A (en) * 1962-03-19 1964-12-29 Patent License Corp Push-button switch assembly
US3320394A (en) * 1963-06-21 1967-05-16 Cie Generale Entpr Elec Module switch having a rotatable and reciprocal actuator
US3265847A (en) * 1964-01-16 1966-08-09 Telex Corp Push button switch having indicator means
US3274369A (en) * 1964-11-12 1966-09-20 John B Quinn Service signal light
US3334209A (en) * 1965-12-27 1967-08-01 F & F Entpr Inc Switch construction with attached light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651295A (en) * 1969-08-12 1972-03-21 David Foley Electrical switches with indicator means
US4398075A (en) * 1980-07-08 1983-08-09 Elekto-Apparatebau Olten, A.G. Mechanical switch

Also Published As

Publication number Publication date
BE716717A (enrdf_load_stackoverflow) 1968-12-17
GB1197355A (en) 1970-07-01
DK124568B (da) 1972-10-30
ES355589A1 (es) 1969-12-16
DE1765633B1 (de) 1972-05-25
NO126650B (enrdf_load_stackoverflow) 1973-03-05
CH488270A (fr) 1970-03-31
FR1537051A (fr) 1968-08-23
SE330199B (enrdf_load_stackoverflow) 1970-11-09
AT284239B (de) 1970-09-10

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