Spindle motor with sleeve for hard disc drives
AssigneePrecision Motors Deutsche Minebea GmbH
InventorJürgen Oelsch
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Abstract
The invention relates to a spindle motor for solid-plate running gears with a stator, a rotor, the shaft of which is turnably borne with the aid of rolling bearings with respect to the stator, and a shell, in which the shell is constructed as a separate pot-shaped part closed on one side, on the outer circumference of which the stator is held and on the inner circumference of which the outer rings of the rolling bearings are held.
Claims6
Spindle motor for solid-plate running gears with a stator (5) stationary with respect to a base plate (10), a rotor (1), a rotary shaft (12) with support of rolling bearings (2, 6) is rotatably borne with respect to the stator (5), and a sleeve (11), characterized in that the sleeve (11) is constructed as a separate pot-shaped part having two axial ends, wherein one of said axial ends being closed and the other axial end being opened, said sleeve having respective inner and outer circumferential walls, wherein the stator (5) is held on the outer circumferential wall, and outer rings (3, 7) of the rolling bearings are held on said inner circumferential wall.
Dependencies are inferred from the claim text.