US3715548A - Push button switch position indicator - Google Patents

Push button switch position indicator Download PDF

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Publication number
US3715548A
US3715548A US00236109A US3715548DA US3715548A US 3715548 A US3715548 A US 3715548A US 00236109 A US00236109 A US 00236109A US 3715548D A US3715548D A US 3715548DA US 3715548 A US3715548 A US 3715548A
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US
United States
Prior art keywords
push button
carrier
shutter
head
window
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
US00236109A
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English (en)
Inventor
R Schadow
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19712114526 external-priority patent/DE2114526C/de
Priority claimed from DE19712129688 external-priority patent/DE2129688C3/de
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3715548A publication Critical patent/US3715548A/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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00—Signals and indicators
    • Y10S116/28—Push button structure

Definitions

  • dicating means comprising a signal face arranged be- Foreign Application Priorliy Data hind a window in the push button head.
  • the switch is provided with at least one covering shutter in the push button head and this shutter is arranged to pivot about an axis which is perpendicular to the axis of the switch.
  • the covering March 25,197l Germany.., etc.
  • the shutter has a limb extending approximately perpendicularly from the shutter.
  • the covering shutter is m m M W 00R 1 7 m no ""0 ""2 W “c U” 78 8 "us LL W d Stud UI .F HUN 555 ill Relerences Cited swung open by the signal surface carrying means on UNITED STATES PATENTS depressing the push button head. On the return of the push button head the limb is so swung from the rear side of the signal face carrier that the covering shutter is swung back over the signal surface.
  • the present invention relates to push button switches, and more particularly to a push button switch with a switch position indicating means in the form of a reflecting signaling surface arranged behind a window in a push button head and fixed to the button frame by means of support arms, the signaling surface being located adjacent to the window when the push button is depressed and behind the window a certain distance when the push button is not depressed.
  • Switch position indicating means are intended to indicate the switched-on position of a push button from the outside without it being necessary to observe the position of the push button head, that is to say whether it is in the depressed or non-depressed position.
  • the window is constructed as a viewing surface which is only partly translucent, i.e., only a number on the viewing surface is translucent, behind which a light emitting surface is arranged in a fixed manner at a distance approximately corresponding to the push button stroke, and when the push button is depressed the light emitting surface lies against the inside surface of the window.
  • a disadvantage of such a push button arrangement resides in that the viewing surface may be only partly translucent and therefore it absorbs a large quantity of light so that recognition of the depressed condition of the signal surface is impaired.
  • a push button switch which includes a push button head adapted for movement along a longitudinal axis with respect to a carrier.
  • the head includes a window through which a reflecting signal surface carried by the carrier may be viewed when the carrier is in a particular position with respect to the head.
  • At least one covering shutter is attached to the head for rotation aboutan axis perpendicular to the longitudinal axis of the head. The covering shutter is swung out of sight by the carrier on depressing the push button head with respect to the carrier and the covering shutter is swung back over the signal surface by movement of the head to a second position with respect to the carrier.
  • the arrangement in accordance with the invention provides a clear indication of the switch position since the window can be constructed so as to be crystal-clear and completely transparent with the result that the signal surface is clearly recognizable even when it does not lie against the window but instead lies some distance behind the window.
  • This counter-hook construction also makes possible a simple taking apart of the push button switch.
  • FIG. 1 is a perspective view of a push button head in the switched-off position
  • FIG. 2 shows the push button head in accordance with FIG. 1 in the depressed switched-on position
  • FIG. 3 is a diagrammatic representation of a push button head with a two-part shutter in side view in the switched-onposition
  • FIG. 4 shows the push button head in accordance with FIG. 3 in side view in the switched-off position
  • FIG. 5 is a diagrammatic representation of a push button head with a single piece shutter in side view in the switched-on position
  • FIG. 6 is a sectionalview of a pushbutton head with resilient means for allowing for movement beyond the normal stroke
  • FIG. 7 shows another embodiment with means for allowing for an excessively large stroke
  • FIG. 8 is a perspective view of a switchhead with an indicating means mounted resiliently on it;
  • FIG. 9 is a perspective view of a push button head with jaw-like shutters
  • FIG. 10 is a diagrammatic side view of a push button head in accordance with the invention, the switch frame being cut away;
  • FIG. 11 is a plan view of the push button head in accordance with FIG. 10.
  • a push button switch 1 is shown located in a frame or housing 2, from which a push button plunger 3 projects.
  • the plunger 3 is connected via suitable brace means 7 in a fixed manner to the push button head housing 6.
  • a compression spring 4, required for return movement of the push button head 6, surrounds the push button plunger 3 and rests on the one hand against the push button head housing 6 and on the other hand against the switch frame 2.
  • a disc or washer 5 is placed between the spring 4 and the housing 2.
  • a longitudinally sliding signal surface carrier 9 which at its rear end has hooks which hook into slots 14 of the switch frame 2.
  • the shutters 11 and 11' move towards a signal surface 10 and they are then tilted over.
  • the shutters l1 and 11 then lie internally against the upper and lower walls of the push button head 6 and expose the signal surface 10 to view, while the control limbs 13 now lie behind the signal face 10.
  • the plunger 3 is pushed backwards in the switch for causing electrical contact and the plunger 3 may be held in this position.
  • the reverse occurs on switching off the push button switch, for example on renewed pressure on the button causing a release of plunger 3, so that the back side of the signal face 10 tilts the control limbs 13 back into the starting position.
  • FIG. 5 shows a one-sided covering shutter 11, which is particularly advantageous in the case of large push button strokes.
  • an oblique cover 8 having a portion 8 to permit inspection from the front side of cover 8 and also from the top side 8 of portion 8 remote from the shutter bearing means 12.
  • the signal face 10 can also have the oblique form of the covering shutter.
  • the interior of the covering shutter 11 or the whole shutter arrangement can be given a mirror finish so that it reflects and provides a further improvement for the indicating action with a bright reflecting action.
  • the shutters 11 can be provided with an indicating color in accordance with the signal face 10 or a different color can be used. It is also possible to have lettering on the signal surface 10 and/or on the shutter 11, in the latter case on the inside or on the outside. And as an alternative, the covering cap 8 can be inscribed behind which the on and off positions simply change color.
  • the shutters 11 could be spring or gravity biased into the closed position and movable to the open position by contact with the carrier 9.
  • the displacement path a indicated in FIG. 3 can be eliminated by use of a spring 20 as shown in FIG. 6.
  • the spring 20 which compensates for the overstroke of the carrier 9 rests on the one hand against the pin 21 of the carrier 9 and on the other hand against the switch housing 2, and the abutment 22 appropriately limits the displacement path.
  • the spring 20 can also, as shown in FIG. 7, be arranged at the head end of the face carrier 9.
  • the carrier 9 then has a narrow cross piece 23, behind which the enveloping arms 24 of a separate indicating part 25 extend, and they include a compression spring 20, which spring could also be constructed in the form of a plate spring.
  • FIG. 8 shows an embodiment of the invention which affords space economy with small push button heads and does not hinder the return spring 4.
  • the two shanks of the face carrier 9 which project to the rear from the push button housing 6 are equipped on the outside with longitudinal ribs 26 with spring receiving pins 27.
  • the helical springs 28 bringing about the pressure on the switch' housing rest on the one hand against the rib 26 and on the other hand against a side arm 30 of the transparent covering cap 8 connected with the push button head housing 6.
  • longitudinal grooves 33 are provided in the lateral walls of the push button head 6 and the side arms 30 possess spring receiving pins 29. If the push button 6 is depressed, the spring 28 is compressed, while the indicating carrier 9, with the signal face 10 passes through the shutters 1.1.
  • FIG. 9 A covering shutter suitable for a round push button shape is shown in FIG. 9.
  • the signal surface 31 moved by the indicating carrier- 9 is in this case, however, a round disc and the shutters 32 and 32 have the form of hollow parabloids.
  • FIGS. 10 and 11 show a particularly suitable and easily assembled switch construction.
  • FIGS. 10 and 11 show the switch in the depressed condition, the signal surface 10 lying at a distance from the rear surface of the window 8 which is determined by the overstroke of the switch. If no overstroke is to be allowed for, the signal surface can also lie directly against the window on the inside.
  • the signal face 10 is carried by two arms 9a and 9b, which run to the sides of the push button plunger in the push button head housing and their ends are supported in a positive manner on the switch frame 2.
  • the one arm 9b is provided with a counter-hook 34, which can be inserted through an opening 25 in they switch frame and is supported to the rear positively on the switch frame as soon as it makes resilient contact.
  • the positively fitting front support arrangement is brought about by limiting or check abutments 9c of the arms 9a and 9b.
  • As a shutter two covering shutters 11 are provided in the case of the embodiment shown, which are carried by a pivoting bearing 12 on the push button head-housing and are provided with control limbs 13, which are driven positively by the signal surface 10.
  • a push button switch position indicator having a longitudinal axis, comprising:
  • said head having a window
  • a shutter-like member attached to said head, said shutter-like member being responsive to longitudinal movements of said carrier with respect to said head for movement between two positions, said shutter-like member in its first position providing visual detection of said signal surface through said window, and said shutter-like member in itssecond position preventing detection of said signal surface through said window.
  • a push button switch position indicator having a longitudinal axis, comprising:
  • said head having a window
  • a shutter-like member attached to said head and movable between two positions, said shutter responsive to said carrier being located in a first position with respect to said head for movement to a first position providing visual detection of said signal surface through said window;
  • said means responsive to said carrier being located in a second position with respect to said head includes a limb attached to said shutter and extending generally perpendicularly thereto, whereby, when said carrier is moved to a second position with respect to said head; said carrier will contact said limb and cause said shutter to rotate about said axis thus bringing said shutter over said signal surface and preventing detection of said signal surface through said window.
  • a push button switch position indicator having a longitudinal axis, comprising:
  • said head having a window at one end thereof;
  • a carrier mounted for longitudinal movements within said head toward and away from said window, said carrier having a front face and a rear face;
  • a push button switch position indicator in accordance with claim 1, in which said shutter-like member is constructed in the form of a pair of hollow parabloids.
  • a push button switch position indicator in accordance with claim 1, in which the inside surface of said shutter-like member is given a mirror finish.
  • a push button switch position indicator in accordance with claim 1, in which the inside surface of said shutter-like member is coated with a signal color corresponding to the signal surface.
  • a push button switch position indicator in accordance with'claim l in which said carrier has hooks at its rear end, which hook into slots in a switch frame.
  • a push button switch position indicator in accordance with claim 1, in which said carrier is fixed by resilient pressure between said carrier and said head.
  • a push button switch position indicator in accordance with claim 1 wherein said shutter-like member comprises at least two covering shutters arranged underneath one another, said signal surface is multiply interrupted and said shutters are so journalled that they extend into the interruptions when said switch is in said first position.
  • a push button switch position indicator in accordance with claim 17, in which the edges of said shutters, which terminate the interruptions in said signal surface have the same color as said signal surface.
  • a push button switch position indicator in accordance with claim I in which at least one arm located on said carrier is provided with a resilient counter-hook, which hook snaps into position behind a switch frame and holds said arm from behind in a positive manner, said arm also being supported ,from the front by a checking abutment in a positive manner.

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  • Push-Button Switches (AREA)
US00236109A 1971-03-25 1972-03-20 Push button switch position indicator Expired - Lifetime US3715548A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712114526 DE2114526C (de) 1971-03-25 Drucktastenschalter mit Schalt stellungsanzeige
DE19712129688 DE2129688C3 (de) 1971-06-15 1971-06-15 Drucktastenschalter

Publications (1)

Publication Number Publication Date
US3715548A true US3715548A (en) 1973-02-06

Family

ID=25760855

Family Applications (1)

Application Number Title Priority Date Filing Date
US00236109A Expired - Lifetime US3715548A (en) 1971-03-25 1972-03-20 Push button switch position indicator

Country Status (7)

Country Link
US (1) US3715548A (fr)
JP (1) JPS5316514B1 (fr)
DK (1) DK132597C (fr)
FR (1) FR2130682B1 (fr)
GB (1) GB1340444A (fr)
HK (1) HK47377A (fr)
IT (1) IT950327B (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845736A (en) * 1972-11-20 1974-11-05 Oak Industries Inc Pushbutton switch with position indicator
US3855961A (en) * 1972-04-27 1974-12-24 R Schadow Indicating push button mechanism
US3885116A (en) * 1973-06-18 1975-05-20 Yasuo Kodaira Switch with an indicator
US3918391A (en) * 1974-05-13 1975-11-11 Globe Union Inc Mode indicator for slider element
US3977357A (en) * 1972-11-24 1976-08-31 Riverside Press, Inc. Voting machine
US4031849A (en) * 1975-06-18 1977-06-28 Mehta Engineering Enterprise Push button switch position indicator
US4044213A (en) * 1976-07-28 1977-08-23 International Telephone And Telegraph Corporation Push-button sensor switch
US4052954A (en) * 1974-05-13 1977-10-11 Globe-Union Inc. Push button switch mode indicator element
US4129766A (en) * 1976-04-22 1978-12-12 Alps Electric Co., Ltd. Indicating mechanism for push button switches
DE2833679A1 (de) * 1977-08-08 1979-02-22 Itt Ind Gmbh Deutsche Schalter mit schaltstellungsanzeige
US4187419A (en) * 1977-02-08 1980-02-05 Lucas Industries Limited Electrical switch
US4234773A (en) * 1978-05-15 1980-11-18 Hosiden Electronics Co., Ltd. Display device for a push button assembly
US4259559A (en) * 1979-04-19 1981-03-31 Alps Electric Co., Ltd. Illuminated push-button electrical switch assembly
US4277665A (en) * 1979-01-10 1981-07-07 Alps Electric Co., Ltd. Illuminated push-button electrical switch
US4280031A (en) * 1978-12-28 1981-07-21 Alps Electric Co., Ltd. Illuminating type push-button switch device
DE3129873A1 (de) * 1980-09-25 1982-05-06 Alps Electric Co., Ltd., Tokyo Druckknopfschalter mit einem beleuchteten fenster
US5146057A (en) * 1990-09-07 1992-09-08 Ford Motor Company Antireflective switch
EP3404395A1 (fr) * 2017-05-19 2018-11-21 Goodrich Actuation Systems SAS Appareil de test pour dispositif de contrôle d'actionneur de vol
US20180334836A1 (en) * 2017-05-18 2018-11-22 Tyco Fire & Security Gmbh Systems and methods for providing a security tag with a telescoping actuator and/or adjustable range of insert space sizes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19846996C2 (de) * 1998-10-13 2002-01-17 Bartec Componenten & Syst Gmbh Schalter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217129A (en) * 1963-03-11 1965-11-09 Westinghouse Air Brake Co Visual indicator for determining the condition of an electromagnetic relay
US3305677A (en) * 1965-01-13 1967-02-21 Rca Corp Lighted push-button
US3377452A (en) * 1966-05-09 1968-04-09 Swf Spezialfabrik Fur Autozuhe Lighting or illuminating device for switches
US3508519A (en) * 1968-11-04 1970-04-28 Collins Radio Co Pushbutton flag
US3538285A (en) * 1967-12-15 1970-11-03 Telemecanique Electrique Rocker control for circuit breaker with indication of position
US3576175A (en) * 1969-03-20 1971-04-27 Hewlett Packard Co Condition indicator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217129A (en) * 1963-03-11 1965-11-09 Westinghouse Air Brake Co Visual indicator for determining the condition of an electromagnetic relay
US3305677A (en) * 1965-01-13 1967-02-21 Rca Corp Lighted push-button
US3377452A (en) * 1966-05-09 1968-04-09 Swf Spezialfabrik Fur Autozuhe Lighting or illuminating device for switches
US3538285A (en) * 1967-12-15 1970-11-03 Telemecanique Electrique Rocker control for circuit breaker with indication of position
US3508519A (en) * 1968-11-04 1970-04-28 Collins Radio Co Pushbutton flag
US3576175A (en) * 1969-03-20 1971-04-27 Hewlett Packard Co Condition indicator

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855961A (en) * 1972-04-27 1974-12-24 R Schadow Indicating push button mechanism
US3845736A (en) * 1972-11-20 1974-11-05 Oak Industries Inc Pushbutton switch with position indicator
US3977357A (en) * 1972-11-24 1976-08-31 Riverside Press, Inc. Voting machine
US3885116A (en) * 1973-06-18 1975-05-20 Yasuo Kodaira Switch with an indicator
US3918391A (en) * 1974-05-13 1975-11-11 Globe Union Inc Mode indicator for slider element
US4052954A (en) * 1974-05-13 1977-10-11 Globe-Union Inc. Push button switch mode indicator element
US4031849A (en) * 1975-06-18 1977-06-28 Mehta Engineering Enterprise Push button switch position indicator
US4129766A (en) * 1976-04-22 1978-12-12 Alps Electric Co., Ltd. Indicating mechanism for push button switches
US4044213A (en) * 1976-07-28 1977-08-23 International Telephone And Telegraph Corporation Push-button sensor switch
US4187419A (en) * 1977-02-08 1980-02-05 Lucas Industries Limited Electrical switch
DE2833679A1 (de) * 1977-08-08 1979-02-22 Itt Ind Gmbh Deutsche Schalter mit schaltstellungsanzeige
US4234773A (en) * 1978-05-15 1980-11-18 Hosiden Electronics Co., Ltd. Display device for a push button assembly
US4280031A (en) * 1978-12-28 1981-07-21 Alps Electric Co., Ltd. Illuminating type push-button switch device
US4277665A (en) * 1979-01-10 1981-07-07 Alps Electric Co., Ltd. Illuminated push-button electrical switch
US4259559A (en) * 1979-04-19 1981-03-31 Alps Electric Co., Ltd. Illuminated push-button electrical switch assembly
DE3129873A1 (de) * 1980-09-25 1982-05-06 Alps Electric Co., Ltd., Tokyo Druckknopfschalter mit einem beleuchteten fenster
US5146057A (en) * 1990-09-07 1992-09-08 Ford Motor Company Antireflective switch
US20180334836A1 (en) * 2017-05-18 2018-11-22 Tyco Fire & Security Gmbh Systems and methods for providing a security tag with a telescoping actuator and/or adjustable range of insert space sizes
US10676968B2 (en) * 2017-05-18 2020-06-09 Sensormatic Electronics, LLC Systems and methods for providing a security tag with a telescoping actuator and/or adjustable range of insert space sizes
US11761247B2 (en) 2017-05-18 2023-09-19 Sensormatic Electronics, LLC Systems and methods for providing a security tag with a telescoping actuator and/or adjustable range of insert space sizes
EP3404395A1 (fr) * 2017-05-19 2018-11-21 Goodrich Actuation Systems SAS Appareil de test pour dispositif de contrôle d'actionneur de vol
US20180334268A1 (en) * 2017-05-19 2018-11-22 Goodrich Actuation Systems Sas Test apparatus for flight actuator check device
US10787279B2 (en) * 2017-05-19 2020-09-29 Goodrich Actuation Systems Sas Test apparatus for flight actuator check device
RU2760777C2 (ru) * 2017-05-19 2021-11-30 Гудрич Актюасьён Системз Сас Испытательное приспособление для контрольного устройства рулевого привода самолета

Also Published As

Publication number Publication date
FR2130682B1 (fr) 1978-05-19
FR2130682A1 (fr) 1972-11-03
HK47377A (en) 1977-09-23
IT950327B (it) 1973-06-20
JPS5316514B1 (fr) 1978-06-01
DK132597C (da) 1976-05-31
GB1340444A (en) 1973-12-12
DK132597B (da) 1976-01-05

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