Appeal No. 2001-1404
Application No. 09/145,399
The Gilchrist patent teaches an apparatus for controlling
article folding machines, such as used for folding bed sheets
or the like. As disclosed, the folding apparatus 10 (Fig. 1)
is adapted to receive a series of sheets 11, 12, 13, and 14,
of varying lengths (over 120 inches down to 25 inches, more or
less), fed through a conventional ironer. The sheet 11 is
carried upon parallel tapes 15 driven by rolls 16, 17. Sheet
13 has passed through rolls 21, while sheet 14 has passed
through rolls 24 and is carried by tapes 25 to delivery chute
26 for delivery to receiving table 27. The folding function
is preformed by a half fold folding means 30 and quarter fold
folding means 31. The folding means or blades 30 and 31 are
suitably pivotally supported. For example, folding blade 30
advances to move the sheet 12 between the rollers 12, and then
returns to its starting position. The folding blades 30 and
31 at the proper time operate to cause folds into halves and
quarters.
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