Multistage paper holding roller device

Details Multistage paper holding roller device Multistage paper holding roller device

2005-04-05

2005-04-05

Walsh, Donald P. (Department: 3653)

Sheet feeding or delivering

Feeding

By means to convey sheet

Reexamination Certificate

active

06874781

ABSTRACT:
A device includes: a supporting seat mounted on a rail of an output equipment for adjusting its working position; a cantilever pivotally provided beneath the supporting seat to be in the form of a sea-saw, and provided on one end thereof with a roller; and at least a set of pressure adjusting mechanism arranged between the cantilever and the supporting seat, each set of the pressure adjusting mechanisms is comprised of an adjusting moving piece and a spring. By adjustment of the adjusting moving piece, the stretching force of the spring can be changed, so that the down pressing force of the roller on one end of the cantilever can be changed.

REFERENCES:
patent: 3416790 (1968-12-01), Davis
patent: 5182861 (1993-02-01), Suzuki et al.
patent: 5351945 (1994-10-01), Asakawa et al.
patent: 5762332 (1998-06-01), Haroutel et al.
patent: 6557850 (2003-05-01), Kallin et al.
patent: 6651975 (2003-11-01), Ohtsuka et al.
patent: 20030057628 (2003-03-01), Grasmuck et al.
patent: 5-246595 (1993-09-01), None

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