Pressing spring for a magnetic tape cartridge

Details Pressing spring for a magnetic tape cartridge Pressing spring for a magnetic tape cartridge

1984-08-27

1987-11-17

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360137, 242199, G11B 2302, G11B 1532, G01B 104

Patent

active

047077573

ABSTRACT:
A magnetic tape cartridge is provided with a pressing spring secured to a cartridge to press a spring-contact projection formed at the center of the upper part of a reel. The pressing spring includes a reel-contacting part formed at its inner part, a spring-functioning part holding the reel-contacting part and a base plate connected to a root portion of the spring-functioning part. The reel-contacting part presses the spring-contact projection of the reel downwardly so that a pressing force acts on the reel in its axial direction.

REFERENCES:
patent: 3900171 (1975-08-01), Serizawa
patent: 3934839 (1976-01-01), Serizawa
patent: 4058844 (1977-11-01), Dirks
patent: 4309002 (1982-01-01), Saitou et al.
patent: 4484248 (1984-11-01), Ogiro et al.
patent: 4544062 (1985-10-01), Maehara
patent: 4561609 (1985-12-01), Collins et al.

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