UN APARATO PARA GRABAR Y LEER MAGNETICAMENTE SENALES DE BAN-DA ANCHA SOBRE UNA CINTA MAGNETICA

摘要

A symmetrical mounting arrangement for a detachable head drum of a helical scan tape recorder in which a deformable sleeve extends from the drum along the drive spindle with a small clearance, and a clamping ring surrounding the sleeve exerts pressure uniformly to clamp the spindle and accurately center the drum on the spindle.