Spindle clamp assembly for a video recorder-playback machine

Details Spindle clamp assembly for a video recorder-playback machine Spindle clamp assembly for a video recorder-playback machine

1980-10-20

1982-08-31

Haroian, Harry N.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369261, G11B 2504, G11B 362

Patent

active

043475990

ABSTRACT:
A spindle clamp assembly for a video recorder-playback machine is provided for securely clamping a video information disc in a precisely centered position upon a rotatable drive spindle for the machine. The clamp assembly comprises a radially expansible sleeve mounted on the spindle and sized for reception into a central opening of the disc. The expansible sleeve cooperates with a wedge collet biased downwardly by a spring within a clamp housing for uniform radial expansion of the sleeve and centering the disc upon the spindle. The clamp housing further includes means for locking engagement with the spindle to position a clamping ring in spring biased engagement with the disc to clamp the disc securely upon the spindle for rotation therewith.

REFERENCES:
patent: 4252327 (1981-02-01), Elliott et al.

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