Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specific detail of storage medium support or motion production
Patent
1988-01-28
1989-07-11
Stephan, Steven L.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Specific detail of storage medium support or motion production
360133, 369291, G11B 1703, G11B 2300
Patent
active
048478261
ABSTRACT:
A disk cartridge includes a clamper of synthetic material rotatably mounted to a disk cartridge half and a magnetic plate secured to the clamper, is disclosed. According to the invention, a plurality of projections are formed in the magnetic plate. The clamper is integrally formed with a recess for accommodating the magnetic plate and a plurality of hooks formed along the peripheral wall of the recess. These projections are respectively engaged with the hooks to secure the magnetic plate to the clamper without using a securing system, such as ultrasonic welding.
REFERENCES:
patent: 4590532 (1986-05-01), Saito
patent: 4695910 (1987-09-01), Maruyama et al.
Sakaguchi Kiyonori
Suzuki Akira
Takaiwa Makio
Shaw, Jr. Philip M.
Sony Corporation
Stephan Steven L.
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