Advancing material of indeterminate length – By orbitally traveling material-engaging surface – Including details of roll or mount
Patent
1982-06-02
1984-05-22
Christian, Leonard D.
Advancing material of indeterminate length
By orbitally traveling material-engaging surface
Including details of roll or mount
226199, B65H 1720
Patent
active
044496591
ABSTRACT:
In a roller for adjusting the width of a travelling web including a core roller, a pair of inclinedly movable tension setting members disposed at the ends of the core roller, and a plurality of elastic bands having a proper amount of surface frictional resistance axially arranged in a cylindrical shape around the core roller between the tension setting members, the elastic bands are connected to the tension setting members through universal joints. The provision of such universal joints prevents the joint portions of the elastic bands from being bent or twisted when the roller is rotated wth the elastic bands axially moved in such direction as to adjust the width of a web, according to the inclined movement of the tension setting members.
REFERENCES:
patent: 3095131 (1963-06-01), Robertson et al.
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