Magnetic tape cassette with improved guide roller means

Details Magnetic tape cassette with improved guide roller means Magnetic tape cassette with improved guide roller means

1986-01-31

1987-02-03

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 76, 384322, B65H 2700, G11B 2304

Patent

active

046404732

ABSTRACT:
A magnetic tape cassette is provided with an improved guide roller means. The magnetic tape cassette is of a type having an upper and lower half case with two hubs around which a magnetic tape is wound. Two guide rollers are rotatably mounted on a supporting shaft and are improved by providing each guide roller with a supporting annular seat which is protruded from one or both of the cassette half cases in such a manner as to surround the base end portion of the supporting shaft. Further, ribs with a height equal to or slightly smaller than the height of the annular seat, are disposed between the annular seat and the supporting shaft so as to connect the seat and the shaft.

REFERENCES:
patent: 326596 (1885-09-01), Senderling
patent: 602379 (1898-04-01), Titus et al.
patent: 1937151 (1933-11-01), Jones
patent: 3848265 (1974-11-01), Biery et al.

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