| 摘要 |
A retractable handle device comprises an outer seat, a middle seat, an inner seat, an outer sleeve, a middle sleeve, an outer pipe, a middle pipe and an inner pipe. The outer seat has an oblong protrusion. The outer seat is fastened at an inner bottom of a suitcase. The outer sleeve is inserted in a first end of the outer pipe. The outer seat is inserted in a second end of the outer pipe. The middle sleeve is inserted in a first end of the middle pipe. A second end of the middle pipe is inserted in the middle seat. A second end of the inner pipe is inserted in the inner seat. The inner pipe is disposed in the middle pipe. The middle pipe is disposed in the outer pipe.
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