Disc case

Details Disc case Disc case

1993-03-01

1993-10-26

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

369291, G11B 2303

Patent

active

052571530

ABSTRACT:
A disc case for releaseably receiving a disc therein includes a housing having a disc receiving portion formed therein, a shutter adapted to slidably move along one brim of the housing to properly expose a part of the disc to the outside and a spring member having at least two turn portions to generate a resilient force active in the direction of closing the shutter, one end of the spring member being engaged with a groove formed in one corner section of the housing, while other end of the spring member being engaged with one side end of the shutter opposite to the corner section. The one turn portion located in the vicinity of another side wall of the housing extending at a right angle relative to the one side wall of the housing has a part of the spring member extending from the one turn portion, wherein the extended part of the spring member is bent in the same direction of turn of the one turn portion. With such construction, no waste material is produced from the boundary wall of the housing, because frictional contact of the spring member with the boundary wall of the housing does not occur at the time when the shutter slidably moves in the opening/closing direction. Once the spring member is held in a fully opened state, it is properly received in a substantially triangular narrow space in the corner section of the housing.

REFERENCES:
patent: 4550354 (1985-10-01), Wakabayashi et al.
patent: 4589105 (1986-05-01), Nemoto et al.
patent: 4785369 (1988-11-01), Ommori et al.
patent: 4908817 (1990-03-01), Sandell et al.

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