Lighttight cassette

Details Lighttight cassette Lighttight cassette

1991-03-01

1993-06-29

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 717, 242 5553, 206409, B65D 8567, G03B 104, G03B 1726

Patent

active

052226816

ABSTRACT:
A lighttight cassette for supporting a roll of web material has a housing that includes a variable width dispensing slot formed by two sections of the housing and running substantially parallel to the axis of the supported roll. Both housing sections are positioned with respect to each other under preloaded tension so that the slot assumes its greatest width A. A tensioning device opposes the preloaded tension and is capable of externally adjusting the width of the dispensing slot.

REFERENCES:
patent: 4079835 (1978-03-01), Kendig
patent: 4239164 (1980-12-01), Barnsbee et al.
patent: 4272035 (1981-06-01), Sherman et al.
patent: 4333615 (1982-06-01), Kluczynski et al.
patent: 4420120 (1983-12-01), Raymond
patent: 4634071 (1987-01-01), Hertel
patent: 4706904 (1987-11-01), Raymond
patent: 4956908 (1990-09-01), Morse et al.
patent: 4962401 (1990-10-01), Tokahashi
patent: 4988054 (1991-01-01), Morse et al.
patent: 5053795 (1991-10-01), Wyman

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