High speed cam roll lifter for press feeder

Details High speed cam roll lifter for press feeder High speed cam roll lifter for press feeder

1977-11-14

1979-03-20

Schacher, Richard A.

Advancing material of indeterminate length

By intermittent material-mover

Comprising material-moving roll

226156, 226176, 226187, B65H 1722

Patent

active

041449908

ABSTRACT:
In the apparatus as herein disclosed, the strip material passes between a lower driven roll and an upper idler roll which is mounted on a vertically adjustable bracket member that maintains a square position at all times since it is trapped between the main support members of the housing. When the clamp screws are loosened the bracket will not cock or misalign. The upper idler roll is pivotally mounted on the bracket member for movement to and from the lower driven roll and pressure means in the form of an air bag is associated with the idler roll pivot arm, having a location outwardly beyond the idler roll.

REFERENCES:
patent: 3493159 (1970-02-01), Balunas
patent: 3638846 (1922-02-01), Wiig
patent: 3647127 (1972-03-01), Wiig
patent: 4029251 (1977-06-01), Johnson

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