| 摘要 |
The present invention claims for a nut assembly for a linear actuator is applied to an actuator around a lead screw and an inner tube thereof. The nut assembly of the present invention comprises: a lead nut, assembled to the lead screw and externally engaged with the end of the inner tube; a locking nut, assembled at the end of the inner tube; and a safety nut, assembled to the lead screw and be retained by the lead nut and locking nut at its opposite ends. Thereby, the safety nut is capable of bearing a thrust load or a tensile load burdened to the linear actuator when the screw threads of the lead nut are damaged.
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