Tape dispenser with controlled-friction unwind

Details Tape dispenser with controlled-friction unwind Tape dispenser with controlled-friction unwind

1990-03-12

1992-06-30

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 7546, 242 7547, 156577, B65H 2300, B65H 7700

Patent

active

051255898

ABSTRACT:
A dispenser for a film carried on a tape has a cartridge in which is rotatable a supply spool on which the tape carrying the film is wound and a takeup spool onto which the tape is also wound. The cartridge further has a guide over which the tape passes between the spools and a one-way clutch or brake engaged between the takeup spool and the cartridge for permitting the takeup spool to rotate only in a direction winding up the tape. A brake is provided that resists rotation of the supply spool on the cartridge in a direction corresponding to unwinding of the tape from the supply spool with a force that, after a predetermined number of revolutions of the spool, decreases as the tape is unwound from the supply spool.

REFERENCES:
patent: 1849383 (1932-03-01), Richardson et al.
patent: 2277134 (1942-03-01), Nelson
patent: 2859919 (1958-11-01), Debrie
patent: 2905404 (1959-09-01), Simmons
patent: 3106324 (1963-10-01), Fritzinger
patent: 3149702 (1964-09-01), Popper
patent: 3156324 (1964-11-01), Colbert
patent: 3434570 (1969-03-01), Freholm
patent: 3902956 (1975-09-01), Thompson, Jr.
patent: 4849064 (1989-07-01), Manusch et al.

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