| 摘要 |
<p>A finger-operated page turning device (10) for stacked sheets, with methods, apparatus for forming the device (10) as sets of offset voids or notches (21 et seq.,78, 82, 86, 88, 144, 183, 185, 356) in alternating pages of a stack (12, 128, 154, 182, 184, 234, 251, 252, 276, 360). The device (10) is operat ed by simple movements of the thumb (18) and/or fingers (19) of a user's one ha nd (14) while holding the stack (12, 128, 154, 182, 184, 234, 251, 252, 276, 36 0) in a curved configuration in the user's other hand (16). The apparatus includes rotary cutting machines (40, 340, 350) for web sheet material (41), as well as both computer controlled and hand punches for individual sheets.< /SDOAB></p> |
