Winding – tensioning – or guiding – Tension control or brake – Supply controlled
Patent
1995-09-20
1998-07-28
Walsh, Donald P.
Winding, tensioning, or guiding
Tension control or brake
Supply controlled
2423968, 2424219, 2425963, 2425992, B65H 2306
Patent
active
057852707
ABSTRACT:
A support for rotatably mounting a roll of web material includes a braking and roll position adjustment mechanism. The support is in the form of a series of support rods extending between a pair of end plates, which engage the internal walls of the roll core at spaced locations. The braking mechanism consists of a brake shaft which extends through the roll core, and which bears against the roll core during its rotation to apply resistance as the web is being unwound from the roll. The brake shaft can selectively be moved to a disengaged position in which it is moved out of engagement with the core. The roll position adjustment mechanism includes a rotatable shaft which extends through the roll core, and to which the brake shaft is pivotably mounted via a pair of arms. One of the arms is threadedly engaged with external threads provided on the rotatable shaft, and a pair of collars are engaged with the brake shaft such that one collar is located immediately adjacent each end of the roll core. Turning of the rotatable shaft results in longitudinal movement of the brake shaft in a direction parallel to the longitudinal axis of the roll core, which results in longitudinal movement of the roll via engagement of the collars with the ends of the roll core.
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Rapidpak, Inc.
Rivera William A.
Walsh Donald P.
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