Importance

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Abstract

The present invention relates to a covered rotation shaft structure having auto locking function, includes: a cover member having a covering end, and one lateral side of the cover member is provided with a bump; a pivotal shaft having a first shaft section and a second shaft section, the first shaft section is pivotally provided on the covering end and the second shaft section is pivotally provided on a through hole of a retaining unit; a cam member composed by the above mentioned retaining unit and a rotating unit, the retaining unit has the above mentioned through hole and a concave slot, and the concave slot is served to mount the bump, so the retaining unit is retained on one side of the cover member, and the through hole is disposed adjacent to the covering end; and the rotating unit is provided on the second shaft section of the pivotal shaft and is provided against the retaining unit; at least one resilient member provided on the second shaft section of the pivotal shaft, and a screw nut is provided at the end of the second shaft section; when rotating the pivotal shaft, the rotating unit is released from a locking position, and the resilient member is pressed by the rotating unit, when reversely rotating the pivotal shaft, the rotating unit is moved toward the locking position and when the rotating unit is close to the locking position, the rotating unit is pushed to the locking position by the resilient member.

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First Claim