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GB2073494B - Electrical keyswitch - Google Patents

Electrical keyswitch

Info

Publication number
GB2073494B
GB2073494B GB8110124A GB8110124A GB2073494B GB 2073494 B GB2073494 B GB 2073494B GB 8110124 A GB8110124 A GB 8110124A GB 8110124 A GB8110124 A GB 8110124A GB 2073494 B GB2073494 B GB 2073494B
Authority
GB
United Kingdom
Prior art keywords
keyswitch
electrical
electrical keyswitch
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
GB8110124A
Other versions
GB2073494A (en
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.)
Schoeller and Co Elektrotecnische Fabrik GmbH and Co
Original Assignee
Schoeller and Co Elektrotecnische Fabrik GmbH and Co
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 Schoeller and Co Elektrotecnische Fabrik GmbH and Co filed Critical Schoeller and Co Elektrotecnische Fabrik GmbH and Co
Publication of GB2073494A publication Critical patent/GB2073494A/en
Application granted granted Critical
Publication of GB2073494B publication Critical patent/GB2073494B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/046—Wound springs with partial nesting of inner and outer coils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • F21V23/0421—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices the switch being part of, or disposed on the tail cap portion thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/01—Key modules mounted on laykey
    • H01H2233/02—Key modules mounted on laykey captured between assembled parts of support
    • H01H2233/022—Key modules mounted on laykey captured between assembled parts of support with limited freedom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/002—Linear coil spring combined with dome spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/004—Two parallel coil springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/022—Actuating striker

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Push-Button Switches (AREA)
GB8110124A 1980-04-03 1981-04-01 Electrical keyswitch Expired GB2073494B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3013115A DE3013115C2 (en) 1980-04-03 1980-04-03 Electric key switch

Publications (2)

Publication Number Publication Date
GB2073494A GB2073494A (en) 1981-10-14
GB2073494B true GB2073494B (en) 1984-11-21

Family

ID=6099291

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8110124A Expired GB2073494B (en) 1980-04-03 1981-04-01 Electrical keyswitch

Country Status (4)

Country Link
DE (1) DE3013115C2 (en)
FR (1) FR2480027A1 (en)
GB (1) GB2073494B (en)
IT (1) IT1136868B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105304387A (en) * 2015-07-20 2016-02-03 杨立涛 Key and keyboard
CN105655181A (en) * 2016-01-26 2016-06-08 珠海天亿计算机设备有限公司 Combined type right-cone dual spring and pluggable independent direct capacitance keyboard switch

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136633A (en) * 1983-03-18 1984-09-19 Broderna Danielson Membrane switch assembly
JPS59181527U (en) * 1983-05-21 1984-12-04 アルプス電気株式会社 push button switch
DE3533719A1 (en) * 1985-09-21 1987-03-26 Rheinmetall Gmbh Switch arrangement having a plurality of control elements
DE3709305A1 (en) * 1987-03-21 1988-09-29 Mueller Rolf K Dr PRESSURE SWITCHES, IN PARTICULAR AS A KEYBOARD
GB2209434B (en) * 1987-08-19 1991-11-27 Crabtree Electrical Ind Ltd Switches
EP0353369A3 (en) * 1988-08-01 1991-03-06 I-Long Wu Keyswitch
GB2301482B (en) * 1995-05-27 1999-09-22 Nokia Mobile Phones Ltd A key assembly
EP1995995A1 (en) * 2007-05-25 2008-11-26 3Dconnexion Holding SA Electric circuit for individually controlling light-emitting elements and optoelectronic device
DE102007030504A1 (en) * 2007-06-30 2009-01-08 Zweibrüder Optoelectronics GmbH compression spring
CN105793985B (en) * 2013-12-17 2019-02-12 西门子公司 Electronic Protection Modules for HVDC Converters
DE102016219281B4 (en) 2016-10-05 2018-12-13 Bayerische Motoren Werke Aktiengesellschaft Ignition device with a spring for the electrical connection of a spark plug and internal combustion engine and motor vehicle with such a
CN113479498B (en) * 2021-07-09 2023-05-30 广东韶钢松山股份有限公司 Long-life double-stroke air cannon device and use method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1501713A (en) * 1965-10-05 1967-11-18 Unilever Nv Improvements to dry oil fractionation methods
GB1411761A (en) * 1972-01-19 1975-10-29 Plessey Co Ltd Electric switches
US3780237A (en) * 1972-10-16 1973-12-18 Chomerics Inc Keyboard switch assembly with multi-sectional key actuator
US3773998A (en) * 1972-10-16 1973-11-20 Chomerics Inc Pedestal and spring member for key actuator of diaphragm switch
DE2651376C2 (en) * 1975-11-12 1985-06-13 A.B. Electronic Components Ltd., Abercynon, Mid-Glamorgan, Wales Push button arrangement for actuating at least one switching contact of an electrical switch
US4117292A (en) * 1977-06-10 1978-09-26 Telaris Telecommunications, Inc. Dual spring actuator for keyboard switch assembly
DE2743156A1 (en) * 1977-09-24 1979-04-05 Baer Elektrowerke Kg Pushbutton switch system with two=part case - has stepped spring with soft and hard part, with bridge contact held between them
DE2854096C2 (en) * 1978-12-14 1982-04-08 Siemens AG, 1000 Berlin und 8000 München Key switches, in particular for keyboards in typewriters and similar devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105304387A (en) * 2015-07-20 2016-02-03 杨立涛 Key and keyboard
CN105655181A (en) * 2016-01-26 2016-06-08 珠海天亿计算机设备有限公司 Combined type right-cone dual spring and pluggable independent direct capacitance keyboard switch

Also Published As

Publication number Publication date
IT8120761A0 (en) 1981-03-27
DE3013115C2 (en) 1987-08-20
IT1136868B (en) 1986-09-03
DE3013115A1 (en) 1981-10-08
GB2073494A (en) 1981-10-14
FR2480027A1 (en) 1981-10-09
FR2480027B1 (en) 1985-05-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee