Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

1980-11-26

1983-02-01

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

29DIG28, 29790, G03B 104, B23P 2100

Patent

active

043711316

ABSTRACT:
A magnetic tape cassette having one or more guide pole which is forcibly inserted at each end into each axial hole formed in a casing comprises an air releasing portion for releasing air during the forcible insertion of said guide pole in said axial hole.

REFERENCES:
patent: 1278713 (1918-09-01), Moore
patent: 2291593 (1942-07-01), Hubbard
patent: 3829040 (1974-08-01), Nelson
patent: 4079978 (1978-03-01), McMullin

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