Cassette loading system and self-threading cassette for use ther

Details Cassette loading system and self-threading cassette for use ther Cassette loading system and self-threading cassette for use ther

1979-07-31

1981-08-25

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

352157, G03B 104, G11B 1532

Patent

active

042854806

ABSTRACT:
A self-threading cassette for strip material and system for loading same is effective to tightly wind extended length materials of various types. No special adherent and interengaging surface characteristics are provided on a takeup reel within the cassette or on the strip material itself. Tightening of the lead ends of the strip material is achieved, according to a preferred embodiment, through the use of a takeup reel having at least portions of a high coefficient of friction material which cooperates with a leaf spring that is partially coiled about the takeup reel in a manner so as to cause the lead end of the strip material to coil about the takeup reel and gradually tighten thereon.

REFERENCES:
patent: 3288388 (1966-11-01), Winkler
patent: 3288389 (1966-11-01), Gersch et al.
patent: 3322366 (1967-05-01), Hayden
patent: 4060210 (1977-11-01), Norris
patent: 4166588 (1979-09-01), Krehbiel et al.

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