Intermittent feeding of a web-shaped workpiece

Details Intermittent feeding of a web-shaped workpiece Intermittent feeding of a web-shaped workpiece

1992-02-05

1992-11-17

Stodola, Daniel P.

Advancing material of indeterminate length

By intermittent material-mover

Comprising material-moving roll

226149, 226160, B65H 2000

Patent

active

051635950

ABSTRACT:
Pivot arms which carry the pressing bar are hingedly mounted to the rocker. At their opposite ends these pivot arms are hingedly mounted such to the frame that in one position the axis of rotation of the lower feeding roller coincides with the pivotal axis of the pivotal point at which the pivot arms are hingedly mounted to the frame. The pressing bar is thereby hingedly mounted via a link connection to a pivot point at the frame that a parallelogram of movements is provided, based on which the pressing bar is moved exactly perpendicularly against the workpiece to be arrestingly pressed.

REFERENCES:
patent: 2946586 (1960-07-01), Pityo
patent: 3758011 (1973-09-01), Portmann
patent: 4601420 (1986-07-01), Kato

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