GB549960A - - Google Patents

Info

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 (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB549960A true GB549960A (enrdf_load_stackoverflow)

Family

ID=1748607

Family Applications (1)

Application Number Title Priority Date Filing Date
GB549960D Active GB549960A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB549960A (enrdf_load_stackoverflow)

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

Similar Documents

Publication Publication Date Title
SE307141B (enrdf_load_stackoverflow)
GB549960A (enrdf_load_stackoverflow)
GB899368A (en) Improved key operating machine
GB540315A (enrdf_load_stackoverflow)
US3023696A (en) Printer keyboard
US3586150A (en) Tabulator safety apparatus
GB983549A (en) Improvements in typewriters
GB514291A (enrdf_load_stackoverflow)
GB144685A (en) Improvements in printing mechanism for calculating machines
US2365874A (en) Computing machine
GB191305530A (en) Device for Preventing the Depression of More than One Key of the same Group in Cash Registers and like Machines.
US2649250A (en) Calculating mechanism
GB459812A (enrdf_load_stackoverflow)
GB545438A (enrdf_load_stackoverflow)
GB522721A (en) Improvements relating to calculating machines
GB518617A (enrdf_load_stackoverflow)
GB452787A (enrdf_load_stackoverflow)
GB191316036A (en) Improvements in and relating to Calculating Machines.
GB768516A (enrdf_load_stackoverflow)
GB467784A (en) Improved device for counting words and/or other symbols for use on typewriters or like keyboard instruments
GB540316A (enrdf_load_stackoverflow)
ES257364A1 (es) Un mecanismo para destrabar las palancas portatipos en maquinas de escribir
GB292619A (enrdf_load_stackoverflow)
GB191515573A (en) Improvements in and relating to Calculating Machines.
GB190327879A (en) Improvements in or relating to Permutation Locks.