Integral head positioner for hard disk storage system

A Winchester type digital storage system comprising:

• at least four hard storage disks spaced apart from one another and mounted coaxially, said disks having magnetizable surfaces;
• means for rotating said storage disks;
• a plurality of magnetic heads for reading and writing digital information on the surfaces of said disks;
• head positioning means for mounting said heads in proximity to the surfaces of said disks, and for shifting the position of said heads across said disks, said head positioning means including individual spring load beam mounting means for each head, and a main rotatable integral metal positioner body member;
• means for mounting said positioner member to rotate about a central axis;
• said positioner body member including rigid integral arms extending outwardly between said disks to support said spring mounting means, said integral arms and said member being a single homogeneous structure free of any joints;
• and
• the outward extent of said rigid arms from said central axis being substantially greater than the length of said spring mounting means.

A Winchester type digital storage system comprising:

• at least four hard storage disks spaced apart from one another and mounted coaxially, said disks having magnetizable surfaces;
• means for rotating said storage disks;
• a plurality of magnetic heads for reading and writing digital information on the upper and lower surfaces of each of said disks;
• head positioning means for mounting said heads in proximity to the surfaces of said disks, and for shifting the position of said heads across said disks, said head positioning means including individual spring load beam mounting means for each head, and a main rotatable integral metal positioner body member, said integral metal positioner member having a central opening;
• bearing means engaging said central opening for rotatably mounting said positioner member about a central axis;
• said positioner body member including at least five rigid integral arms extending outwardly to directly support said spring mounting means, said integral arms and said body member being a single homogeneous structure free of any joints;
• the outward extent of said rigid arms from said central axis being substantially greater than the length of said spring mounting means;
• said integral arms having holes in the outer ends thereof, said spring mounting means having holes in the inner ends thereof, and metal plate means having a hollow protruding tube extending through said hole in said spring mounting means and being swaged into the hole at the end of each of said integral mounting arms;
• and
• said spring mounting means being welded to said plates.