Magnetic-tape cassette with anti-telescoping guides and reels

Details Magnetic-tape cassette with anti-telescoping guides and reels Magnetic-tape cassette with anti-telescoping guides and reels

Filed on

1982-10-25

Date issued

1984-11-27

Examiner

Christian, Leonard D.

Patent Class

Winding, tensioning, or guiding

SubClass

Strand tensioning device

SubSubClass

Tortuous course

Other Related Categories

242 76, G03B 104, G11B 1532, B65H 2700

Type

Patent

Status

active

Patent number

044847190

Description

ABSTRACT:
A magnetic-tape cassette having two reel hubs mounted for rotation in major walls, and a length of magnetic tape which is unwound from and taken up by the reel hubs, and guided along a first long side wall having apertures for a magnetic head. For supporting the edges of the tape in directions parallel to the axes of the reel hubs, at least two tape guides each have two height guides which, near that side of the tape guide which faces the first long side wall, converge from the direction of the first long side wall towards the adjacent reel. During operation, a plane tangent to the end portion of a height guide substantially coincides with a plane tangent to the inner side of the flange of the adjacent reel hub.

REFERENCES:
patent: 3692956 (1972-09-01), Northrup
patent: 3704836 (1972-12-01), Yamada
patent: 4022402 (1977-05-01), Morimoto

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