Line control for platen printing devices
Line spacing device for an office machine
Line spacing device for printing machines
Line spacing mechanism for printing machines
Line spacing mechanism for typewriters or like machines
Line-spacing device for a typewriter or the like
Line-spacing system for printing office machines
Linespacing apparatus
Method and apparatus for guiding the paper in typewriters or sim
Method for optional control of line spacing in electronic typewr
Paper feed control in a printer
Paper feed control in a printer
Paper feeding control apparatus and method for printers
Paper handling system for printers
Paper insertion apparatus
Paper insertion apparatus for a typewriter
Paper-feeding apparatus for a printer
Platen clutch mechanism
Platen drive device
Platen knob device of typewriter