Stripper roller manufacturing method

Details Stripper roller manufacturing method Stripper roller manufacturing method

1996-08-21

1997-12-02

Cuda, Irene

Metal working

Method of mechanical manufacture

Roller making

2989521, B23P 1500

Patent

active

056923015

ABSTRACT:
A stripper roller is formed by cutting ends of a cylindrical roller and then placing a shim between the center shaft and each end portion. Paper-feed springs oppose the eccentric portions of the feed roller, while a centrally located separator pad opposes the cylindrical middle portion of the feed roller. The extended radius at the apogee of the eccentric portions allows the eccentric portions to effectively reach out and grab the bottommost sheet even if the stack of sheets were only initially lightly contacting the roller. The eccentric portions of the feed roller also provide surges in the frictional force urging the bottommost sheets toward the separator pad. This surge in force acts to spread out (or pre-separate) the paper in the stack so the paper can be more easily separated by the separator pad.

REFERENCES:
patent: 4015839 (1977-04-01), McKee
patent: 4457507 (1984-07-01), Ishikawa et al.
patent: 4568074 (1986-02-01), Murayoshi
patent: 4674737 (1987-06-01), Murayoshi
patent: 4887806 (1989-12-01), Tanaka et al.

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