Apparatus for adapting an office machine to one-handed operation
Case shift and lock input mechanism including a shift control sw
Direct keyboard controlled rack shift device for a single elemen
Document preparing apparatus which automatically capitalizes cha
Keyboard switch actuator and locking assembly
Print element shifter
Print wheel shift mechanism for use with a miniature printer
Shift lock and position indicating torsion spring activated key
Shift mechanism
Typewriter with improved case shift means