| 摘要 |
In a preferred embodiment, a linear actuator, including: front and rear end bells; a stator structure; a rotor structure having first and second bearings journaled, respectively, in cavities formed in inner surfaces of the front and rear end bells; a captivation sleeve having its proximal end threadedly inserted in a cavity formed in an outer surface of the front end bell; and all foregoing elements being coaxially aligned to permit the insertion therethrough of a lead screw.
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