Title:
Forward and back spacing mechanism
United States Patent 3217850
US Patent References:
/1913892.html
- - 1913892
Typewriting machine
- - 1984410
/2105520.html
- - 2105520
Symbol typing and tape feeding mechanism for typewriting machines
- - 2565985
Repeat key action for power operated typewriters
- - 2714948
/1913892.html
- - 1913892
Typewriting machine
- - 1984410
/2105520.html
- - 2105520
Symbol typing and tape feeding mechanism for typewriting machines
- - 2565985
Repeat key action for power operated typewriters
- - 2714948
Inventors:
Frechette, Leo P.
Gaudet, Harold D.
Gaudet, Harold D.
Publication Date:
11/16/1965
View Patent Images:
Export Citation:
Assignee:
ROYAL TYPEWRITER CO INC
Primary Class:
Other Classes:
400/496, 400/666, 400/321, 400/377, 400/308, 400/325, 400/187
International Classes:
B41J25/04; B41J25/12; B41J25/00
US Patent References:
| 2723740 | Type bar action | |||
| 2728436 | Power operated repeat carriage letter spacing mechanism for typewriters or like machines | |||
| 2798584 | Power actuated typing mechanisms for business machines | |||
| 2879876 | Single element printing machine | |||
| 2902131 | Office machines, particularly typewriters | |||
| 2973078 | Electric typewriter operating mechanism | |||
| 3086635 | Keylever storage mechanism | |||
| 3126998 |