Preloaded head arm assembly
AssigneeInternational Business Machines Corporation
InventorHelfried O. Rinkleib
Life of this patent
Estimating the term…
Abstract
A preloaded head arm assembly comprises a lightweight, low inertia frustoconical arm support to which a magnetic head is mounted at one end. The other end of the head arm support is coupled to an end of a rotatable shaft, on which the arm support can be pivoted. An electrical coil which is disposed within a magnetic field supplied by permanent magnet means is fastened to the other end of the shaft. The pivotable magnetic head arm assembly may be vertically adjusted to control flying height and angularly adjusted relative to the surface of a magnetic disk to correct for azimuth variations.
Claims3
A magnetic head arm assembly comprising:
- a frustoconical hollow head arm having a base at one end and a narrowed apex at the other end, the thickness of the walls of said arm being tapered from said base to said apex;
- means formed in said arm at said base for mounting said arm to an actuator;
- a magnetic transducer mounted to said arm at said apex;
- a rotatable shaft to which said head arm is mounted;
- a fixed bearing attached at one end of said shaft;
- a floating bearing coupled at the other end of said shaft adjacent to said head arm for enabling vertical adjustment of said rotatable shaft;
- a compression spring coupled to said shaft and disposed between said bearings;
- and
- an adjusting nut for varying the compression of said spring to move and adjust the vertical position of said shaft and said head arm.
Dependencies are inferred from the claim text.