(57) A machine (Fig. 2) for producing a saddle-stapled booklet has a trayfor receiving
and registering sheets to form a group of sheets. The group of sheets is moved horizontally
between the upper edge of a vertically movable folder blade (4) between a pair of
parallel, side-by-side rollers (2) to fold the sheets. Continued upward movement of
the blade (4) drives the folded group of sheets against a pair of staplers (1,1).
The booklet thus produced is rejected laterally by a pair of crease-forming rollers
(3) disposed side-by-side and rotatable in parallel vertical axes.
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