Guide groove for a guard panel on a magnetic tape cassette

Details Guide groove for a guard panel on a magnetic tape cassette Guide groove for a guard panel on a magnetic tape cassette

1986-01-03

1987-07-14

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

242199, G11B 2302

Patent

active

046806601

ABSTRACT:
A magnetic tape cassette comprises upper and lower case halves for housing a magnetic tape therein, and a guard panel swingably supported to cover the magnetic tape exposed at an aperture section formed at the front face of the case. The guard panel comprises an outer cover for covering the outer surface of the magnetic tape, and an inner cover having a guide boss on each of two side wall surfaces and supported on the outer cover for movement in synchronization with opening and closing of the outer cover to cover the inner surface of the magnetic tape when the outer cover is closed. The lower half is provided with an inner cover open/close guide groove formed for slide engagement with the guide boss and extending approximately vertically at each of inner wall sections of tape pull-out holes formed at opposite ends of the apertures section. The upper half is provided with an auxiliary guide rib formed as a guide wall extending upwardly from an upper end of a front side edge of the open/close guide groove when the upper half is combined with the lower half to constitute the case.

REFERENCES:
patent: 4418373 (1983-11-01), Fujimori et al.
patent: 4556153 (1985-12-01), Takagi et al.
patent: 4607308 (1986-08-01), Tsuruta et al.

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