Unrolling device

Details Unrolling device Unrolling device

1990-02-09

1991-10-29

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 54R, 242 586, 242 571, 24212951, B65H 1606

Patent

active

050608789

ABSTRACT:
An unwinding device for a machine for the processing of strip material has a pair of arms which receive the roll between them and are movable toward and away from one another by a spindle having threaded portions of opposite hand engaging the respective arms. A bearing sleeve axially entraining the spindle is engaged between the fork shanks which are connected to a piston rod of a double acting cylinder mounted on the traverse along which the arms are guided to adjust the arms in axial direction transverse to the web feed direction.

REFERENCES:
patent: 2499562 (1950-03-01), Behrens
patent: 2578064 (1951-12-01), Hammond
patent: 3331318 (1967-07-01), Augustyn et al.
patent: 3343760 (1967-09-01), Haskin et al.
patent: 3743198 (1973-07-01), Lucas
patent: 4209190 (1980-06-01), Seibert
patent: 4460135 (1984-07-01), Hirakawa et al.
patent: 4718817 (1988-01-01), Maillefer
patent: 4770360 (1988-09-01), Liebelt
patent: 4927091 (1990-05-01), Weis et al.

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