| 摘要 |
A retractable handle includes two barrels secured in two ducts and each having a bore and a cut-off portion for forming two fences on the barrel, two tubes slidably received in the barrels, and a lock device having a housing attached to the lower end of one of the tubes. The housing includes one or more depressions for slidably receiving the fences of the barrel and for stably guiding the housing to move up and down along the barrel. The lock device includes a catch for selectively engaging with the barrel to secure the tube to the barrel.
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