| 摘要 |
A door lock and drive tube assembly thereof comprises a first handle assembly, a second handle assembly and a lock releasing assembly. The first handle assembly has a handle, a spindle, a catch and a drive tube assembly. The handle has a hollow coupling portion and the hollow coupling portion has an access opening. The spindle is attached to the hollow coupling portion of the handle. The catch is installed in the spindle and has an engagement head, and the engagement head is selectively disposable within the access opening of the handle. The drive tube assembly is installed within the spindle and has a stop member to prevent the engagement head of the catch disengaging from the access opening. The second handle assembly corresponds to the first handle assembly. The lock releasing assembly is installed between the first handle assembly and the second handle assembly and includes a rod to push the stop member of the drive tube assembly so as to block the catch.
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