GB549960A - - Google Patents

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Publication number
GB549960A
GB549960A GB549960DA GB549960A GB 549960 A GB549960 A GB 549960A GB 549960D A GB549960D A GB 549960DA GB 549960 A GB549960 A GB 549960A
Authority
GB
United Kingdom
Prior art keywords
key
spring
tension
depressed
keys
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.)
Active
Application number
Other languages
English (en)
Publication of GB549960A publication Critical patent/GB549960A/en
Active legal-status Critical Current

Links

Landscapes

  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Vibration Dampers (AREA)
GB549960D Active GB549960A (https=)

Publications (1)

Publication Number Publication Date
GB549960A true GB549960A (https=)

Family

ID=1748607

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
GB (1) GB549960A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753117A (en) * 1956-07-03 Mechanism for adjusting the resistance
US3302877A (en) * 1964-04-21 1967-02-07 Grundig Max Spring mounting for keys

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753117A (en) * 1956-07-03 Mechanism for adjusting the resistance
US3302877A (en) * 1964-04-21 1967-02-07 Grundig Max Spring mounting for keys

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