| 摘要 |
An encoder device includes: a housing; a hub arranged in the housing, the hub arranged to carry an encoder disk, the hub rotatable in the housing; a cover that is axially movable between a first position and a second position; and a gapping and centering device arranged to urge the hub into a predetermined axial and radial position relative to a portion of the housing when the cover is in the first position, the gapping and centering device arranged to permit axial and radial movement of the hub when the cover is in the second position.
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