Guiding roller and adjusting method

Details Guiding roller and adjusting method Guiding roller and adjusting method

2006-07-11

2006-07-11

Matecki, Kathy (Department: 3654)

Winding, tensioning, or guiding

Material guide or guard

Variable guide path

C242S615120, C242S615210, C226S097300

Reexamination Certificate

active

07073747

ABSTRACT:
A guiding roller, that is used to turn a web of material, has a jacket surface provided with holes over at least a portion of its periphery. An inner surface of the guiding roller is provided with compressed air. A piston is axially displaceable in the roller inner surface and can occlude selected ones of the holes. A motor is provided for displacing the piston in response to a control signal supplied by a control circuit. The guiding roller is pivotally supported by a frame and can pivot through 90° about a pivot axis which is perpendicular to the longitudinal axis of the roller. A gear mechanism couples a rotational movement of the piston about the axis to the pivotal movement of the guiding roller.

REFERENCES:
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patent: 3069056 (1962-12-01), Richards et al.
patent: 3679116 (1972-07-01), Hamlin et al.
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patent: 5452834 (1995-09-01), Mariotti et al.
patent: 5464143 (1995-11-01), Hansen
patent: 5520317 (1996-05-01), Eckert et al.
patent: 5573231 (1996-11-01), Stab
patent: 34 36 870 (1986-05-01), None
patent: 0 092 658 (1983-11-01), None
patent: 11-246098 (1999-09-01), None

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