Anti-clockspringing cassette for a roll of web material and meth

Details Anti-clockspringing cassette for a roll of web material and meth Anti-clockspringing cassette for a roll of web material and meth

1992-11-19

1994-05-24

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 721, 242 754, 354275, B65H 7518, B65D 8560

Patent

active

053141342

ABSTRACT:
A light-tight cassette (10) has an anti-clockspringing method for preventing clockspringing of a wound roll of web material (14) within the cassette (10) during storage and shipment. The web material (14) is mounted on a tubular web core (12) arranged to rotate about an axis within the cassette (10). Cassette (10) has at least one end cap (22) having a tubularly shaped hub member (34). Hub member (34) has a diametrically extending bar (38) for receiving an anti-clockspring means comprising a fork (44) having a central member (52) comprising spaced anti-rotation arms (42,44) for receiving bar (38). Fork (44), moreover, comprises at least one flexible latch finger (46) that latchingly engages the end cap (22) and a flexible lock finger (48) that is wedged between and into an annular gap formed when the hub member (20) is inserted into the web core (12) for locking the web core (12) against rotation.

REFERENCES:
patent: 3613876 (1971-10-01), Kohler et al.
patent: 3784001 (1974-01-01), Bushnell et al.
patent: 3831881 (1974-08-01), Tucker
patent: 4033523 (1977-07-01), Roman
patent: 4398814 (1983-08-01), Muylle et al.
patent: 4802633 (1989-02-01), Beery
patent: 4830305 (1989-05-01), Giiggi et al.
patent: 4903833 (1990-02-01), Beery

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