Weighted pinch rolls

Details Weighted pinch rolls Weighted pinch rolls

1976-06-17

1977-07-19

Schacher, Richard A.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Comprising rotary pinch pair

226186, B65H 1722

Patent

active

040364216

ABSTRACT:
A mechanism for biasing a plurality of pinch rolls into engagement with a drive roll is provided wherein the biasing force is effected by a weight or weights. The pinch rolls are mounted on a common rotatable shaft, which rotates on supports which independently pivot about a common shaft, whereby the pinch rolls are free to align with a drive roll to provide full line contact therebetween and the biasing force is evenly distributed on the pinch rolls. The weights are pivotally mounted on the supports.

REFERENCES:
patent: 1641920 (1927-09-01), Clark
patent: 1806154 (1931-05-01), Fancher
patent: 2558733 (1951-07-01), Cresswell
patent: 2977112 (1961-03-01), Offner
patent: 3561658 (1971-02-01), McDermott

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