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(en )
1972-06-20
Carriage drive for high speed printer
GB1170485A
(en )
1969-11-12
Driving Mechanism
GB514973A
(enrdf_load_stackoverflow )
US5104248A
(en )
1992-04-14
Print wheel shift mechanism for use with a miniature printer
US3715021A
(en )
1973-02-06
Variable drive apparatus
US2573197A
(en )
1951-10-30
Power-driven mechanism for operating type bars and other instrumentalities of typewriters or like machines
US3730323A
(en )
1973-05-01
Repeat spacing mechanism for typewriters
GB737241A
(en )
1955-09-21
Improvements in or relating to book-keeping, calculating and like machines
US3343642A
(en )
1967-09-26
Typing apparatus having plural type wheels which selectively strike platen
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(en )
1973-05-29
Repeat spacing mechanism for typewriters
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(en )
1914-09-15
Type-writing machine.
US3985220A
(en )
1976-10-12
Tabulator apparatus for a typewriter carriage moving in steps of different length
GB161848A
(enrdf_load_stackoverflow )
US2079425A
(en )
1937-05-04
Typewriting machine
US3200655A
(en )
1965-08-17
Snap action incremental actuator
GB530383A
(enrdf_load_stackoverflow )
GB1279278A
(en )
1972-06-28
Shift mechanism for a type-carrier device on power-driven typewriters and like business machines
US2323012A
(en )
1943-06-29
Carriage operating mechanism for accounting machines
CN2730627Y
(zh )
2005-10-05
邮资机过戳动力头
US2334261A
(en )
1943-11-16
Typewriting machine
GB1043601A
(en )
1966-09-21
Drive mechanism for type-bar and other mechanisms in typewriters
SU164887A1
(ru )
Счетное устройство к наборно-программирующеймашине
US1248323A
(en )
1917-11-27
Actuating mechanism for combined type-writing and computing machines.
US2225484A
(en )
1940-12-17
Combined typewriting and computing machine
JPH0440940Y2
(enrdf_load_stackoverflow )
1992-09-25