Sheet stacking and stapling apparatus

Details Sheet stacking and stapling apparatus Sheet stacking and stapling apparatus

1989-11-15

1991-04-09

Bell, Paul A.

Elongated-member-driving apparatus

With means to move or guide member into driving position

With positionable driver

270 53, 227151, 227155, B27F 721

Patent

active

050057510

ABSTRACT:
At one end of a stacking area, abutments are arranged which extend into, and can be selectively moved out of, the feed path of sheets fed through such area to stack sheets in such area. In the area of the abutments, two oppositely arranged stapling devices are located which are movable parallel with the stack edge defined by the abutments and are adjustable to various stapling distances. The stapling devices engage a spindle with oppositely directed threads such that, when the spindle is rotated, the stapling devices are moved toward or away from each other. The stapling devices laterally substantially surround the stacking area from above and below adjacent to the edge defined by the abutments, but do not intercept the feed path. For this purpose they are provided with recesses through which the sheets can be brought into the stapling position adjacent to the stack abutments and the stacks after stapling can be readily removed from the stapling position.

REFERENCES:
patent: 3735978 (1973-05-01), Turner et al.
patent: 4358042 (1982-11-01), Lawrence
patent: 4444491 (1984-04-01), Rinehart et al.
patent: 4449661 (1984-05-01), Spehrley, Jr.
patent: 4595187 (1986-06-01), Bober
patent: 4603971 (1986-08-01), Kokucka et al.
patent: 4771922 (1988-09-01), Masada

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