GB1400341A - Push button key switch assembly - Google Patents

Push button key switch assembly

Info

Publication number
GB1400341A
GB1400341A GB3539573A GB3539573A GB1400341A GB 1400341 A GB1400341 A GB 1400341A GB 3539573 A GB3539573 A GB 3539573A GB 3539573 A GB3539573 A GB 3539573A GB 1400341 A GB1400341 A GB 1400341A
Authority
GB
United Kingdom
Prior art keywords
spring
key
switch
keystem
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
GB3539573A
Other languages
English (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.)
Datanetics Corp
Original Assignee
Datanetics Corp
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 Datanetics Corp filed Critical Datanetics Corp
Publication of GB1400341A publication Critical patent/GB1400341A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/12—Construction of key buttons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/16—Mounting or connecting key buttons on or to key levers
    • 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
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/40—Contact mounted so that its contact-making surface is flush with adjoining insulation
    • H01H1/403—Contacts forming part of a printed circuit
    • 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

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
GB3539573A 1972-07-26 1973-07-25 Push button key switch assembly Expired GB1400341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27520972A 1972-07-26 1972-07-26

Publications (1)

Publication Number Publication Date
GB1400341A true GB1400341A (en) 1975-07-16

Family

ID=23051313

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3539573A Expired GB1400341A (en) 1972-07-26 1973-07-25 Push button key switch assembly

Country Status (5)

Country Link
US (1) US3777090A (enrdf_load_stackoverflow)
JP (1) JPS5331540B2 (enrdf_load_stackoverflow)
DE (1) DE2337904C2 (enrdf_load_stackoverflow)
FR (1) FR2194156A5 (enrdf_load_stackoverflow)
GB (1) GB1400341A (enrdf_load_stackoverflow)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122765U (enrdf_load_stackoverflow) * 1974-08-10 1976-02-19
JPS5179665U (enrdf_load_stackoverflow) * 1974-12-20 1976-06-24
US3989912A (en) * 1975-01-23 1976-11-02 Illinois Tool Works Inc. Lighted pushbutton electrical switch
JPS5713703Y2 (enrdf_load_stackoverflow) * 1975-06-12 1982-03-19
JPS5749301Y2 (enrdf_load_stackoverflow) * 1976-06-07 1982-10-28
JPS52154082A (en) * 1976-06-18 1977-12-21 Futaba Denshi Kogyo Kk Key switch
US4156802A (en) * 1977-06-10 1979-05-29 Telaris Telecommunications, Inc. Electrical switch assembly
US4117292A (en) * 1977-06-10 1978-09-26 Telaris Telecommunications, Inc. Dual spring actuator for keyboard switch assembly
JPS565798A (en) * 1979-06-20 1981-01-21 Keishiyou Shiyuu White blackboard or colored blackboard doubling as screen
NL7906931A (nl) * 1979-09-18 1981-03-20 Philips Nv Druktoetsschakelaar.
US4440992A (en) * 1982-03-03 1984-04-03 Amp Incorporated Low profile keyboard switch actuating assembly
DE3229465A1 (de) * 1982-08-06 1984-02-09 Cherry Mikroschalter Gmbh, 8572 Auerbach Tastenschalter
JPH051861Y2 (enrdf_load_stackoverflow) * 1986-03-10 1993-01-19
US4803321A (en) * 1987-11-16 1989-02-07 Itt Composants Et Instruments Axial load resistant key switch
US5201824A (en) * 1989-10-06 1993-04-13 Alps Electric Co., Ltd. Push button switch
US4985603A (en) * 1989-11-24 1991-01-15 Prince Thomas F Electric switch having reduced actuator play
CN101546660B (zh) * 2008-03-28 2011-05-18 华荣集团有限公司 防爆按钮头的操作部分结构
CN113496836B (zh) * 2020-03-19 2025-08-01 Oppo广东移动通信有限公司 电子设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978555A (en) * 1959-01-12 1961-04-04 Switchlock Inc Electric switch
US2938985A (en) * 1959-06-30 1960-05-31 Brin Mfg Co Inc Push button switch
GB962745A (en) * 1961-11-30 1964-07-01 Ericsson Telephones Ltd Electric switch actuating mechanism
IT699906A (enrdf_load_stackoverflow) * 1962-06-16 1900-01-01
US3258549A (en) * 1964-06-24 1966-06-28 Boyne Products Inc Linearly operated, lost motion switch construction
DE1487424A1 (de) * 1966-04-27 1969-03-20 Siemens Ag Drucktaste mit auswechselbaren Federsaetzen
DE1808607B2 (de) * 1968-11-13 1974-12-12 Brown, Boveri & Cie Ag, 6800 Mannheim Elektrischer Drucktastenschalter mit in der Drucktaste angeordneter Lampe
US3622934A (en) * 1969-05-30 1971-11-23 Matsushita Electric Ind Co Ltd Variable resistor of sliding type with switch activated by slider
US3657460A (en) * 1971-01-22 1972-04-18 Mattel Inc Organ keyboard switching system
US3694606A (en) * 1971-06-29 1972-09-26 Ibm Elastic diaphragm switch actuator

Also Published As

Publication number Publication date
DE2337904C2 (de) 1986-10-30
FR2194156A5 (enrdf_load_stackoverflow) 1974-02-22
JPS5331540B2 (enrdf_load_stackoverflow) 1978-09-02
US3777090A (en) 1973-12-04
DE2337904A1 (de) 1974-02-07
JPS49124573A (enrdf_load_stackoverflow) 1974-11-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee