Winding – tensioning – or guiding – Tension control or brake – Supply controlled
Patent
1998-09-11
2000-08-08
Walsh, Donald P.
Winding, tensioning, or guiding
Tension control or brake
Supply controlled
2424215, 2424218, 2424219, 2424224, 2425976, 188 74, 188170, B65H 2306
Patent
active
060989106
ABSTRACT:
A tension control device (10) for regulating the payout of filamentary material (24) from a spool (22) includes a fixed support (12, 14), a swing frame assembly (16) pivotably mounted on the fixed support and predisposed to a holding position, and a spindle assembly (20) carried by the swing frame assembly. The spindle assembly (20) carries the spool (22) and rotates with the spool as the filament is pulled off the spool. A braking assembly (18) is pivotably mounted on the fixed support (14) and is movable with the swing frame assembly (16). A cam (30) is fixably mounted on the fixed support and bears against the braking assembly (18) and forces the braking assembly to control the rotation of the spindle assembly. A pull-off force applied by filamentary material causes the swing frame assembly to move away from the holding position and allows rotation of the spindle assembly. A loading assembly fixably mounted on the fixed support positions the swing frame assembly and the braking assembly to a holding position that must be overcome by tension applied by the filament in order for the spool to begin rotation.
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Pham Minh-Chau
Walsh Donald P.
Wayne-Dalton Corp.
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