GB2332097B - Pantograph type keyboard switch assembly - Google Patents

Pantograph type keyboard switch assembly

Info

Publication number
GB2332097B
GB2332097B GB9902816A GB9902816A GB2332097B GB 2332097 B GB2332097 B GB 2332097B GB 9902816 A GB9902816 A GB 9902816A GB 9902816 A GB9902816 A GB 9902816A GB 2332097 B GB2332097 B GB 2332097B
Authority
GB
United Kingdom
Prior art keywords
switch assembly
keyboard switch
type keyboard
pantograph type
pantograph
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 - Fee Related
Application number
GB9902816A
Other versions
GB9902816D0 (en
GB2332097A (en
Inventor
Yutaka Sanda
Seiki Katakami
Seigo Hasunuma
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.)
Hosiden Corp
Original Assignee
Hosiden 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
Priority claimed from JP7209683A external-priority patent/JPH0963400A/en
Priority claimed from JP21051595A external-priority patent/JP3275253B2/en
Priority claimed from JP7212168A external-priority patent/JPH0963406A/en
Priority claimed from JP7219073A external-priority patent/JPH0963397A/en
Priority claimed from JP32476595A external-priority patent/JP3570584B2/en
Priority claimed from JP32476695A external-priority patent/JP3458926B2/en
Application filed by Hosiden Corp filed Critical Hosiden Corp
Priority claimed from GB9617070A external-priority patent/GB2304460B/en
Publication of GB9902816D0 publication Critical patent/GB9902816D0/en
Publication of GB2332097A publication Critical patent/GB2332097A/en
Publication of GB2332097B publication Critical patent/GB2332097B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
GB9902816A 1995-08-17 1996-08-14 Pantograph type keyboard switch assembly Expired - Fee Related GB2332097B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP7209683A JPH0963400A (en) 1995-08-17 1995-08-17 Keyboard switch
JP21051595A JP3275253B2 (en) 1995-08-18 1995-08-18 Keyboard switch
JP7212168A JPH0963406A (en) 1995-08-21 1995-08-21 Keyboard switch
JP7219073A JPH0963397A (en) 1995-08-28 1995-08-28 Keyboard switch
JP32476595A JP3570584B2 (en) 1995-12-13 1995-12-13 Keyboard switch
JP32476695A JP3458926B2 (en) 1995-12-13 1995-12-13 Keyboard switch
GB9617070A GB2304460B (en) 1995-08-17 1996-08-14 Pantograph type keyboard switch assembly

Publications (3)

Publication Number Publication Date
GB9902816D0 GB9902816D0 (en) 1999-03-31
GB2332097A GB2332097A (en) 1999-06-09
GB2332097B true GB2332097B (en) 2000-02-16

Family

ID=27562933

Family Applications (3)

Application Number Title Priority Date Filing Date
GB9902819A Expired - Fee Related GB2332098B (en) 1995-08-17 1996-08-14 Pantograph type keyboard switch assembly
GB9902811A Expired - Fee Related GB2332096B (en) 1995-08-17 1996-08-14 Keyboard switch assembly
GB9902816A Expired - Fee Related GB2332097B (en) 1995-08-17 1996-08-14 Pantograph type keyboard switch assembly

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB9902819A Expired - Fee Related GB2332098B (en) 1995-08-17 1996-08-14 Pantograph type keyboard switch assembly
GB9902811A Expired - Fee Related GB2332096B (en) 1995-08-17 1996-08-14 Keyboard switch assembly

Country Status (1)

Country Link
GB (3) GB2332098B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902862A (en) * 1987-06-13 1990-02-20 Preh Elektrofeinmechanische Werke Jakob Preh Nachf Gmbh & Co. Keyboard switch device for facilitating removal and replacement of push buttons
EP0652577A1 (en) * 1993-11-05 1995-05-10 Brother Kogyo Kabushiki Kaisha Key switch having elastic portions for facilitating attachment of scissors-type support linkage to keytop and holder, and removal of keytop from linkage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902862A (en) * 1987-06-13 1990-02-20 Preh Elektrofeinmechanische Werke Jakob Preh Nachf Gmbh & Co. Keyboard switch device for facilitating removal and replacement of push buttons
EP0652577A1 (en) * 1993-11-05 1995-05-10 Brother Kogyo Kabushiki Kaisha Key switch having elastic portions for facilitating attachment of scissors-type support linkage to keytop and holder, and removal of keytop from linkage

Also Published As

Publication number Publication date
GB9902816D0 (en) 1999-03-31
GB2332096A (en) 1999-06-09
GB9902811D0 (en) 1999-03-31
GB2332098A (en) 1999-06-09
GB2332097A (en) 1999-06-09
GB2332098B (en) 2000-02-02
GB9902819D0 (en) 1999-03-31
GB2332096B (en) 2000-01-19

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Legal Events

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

Effective date: 20060814