| 摘要 |
An adjustable latch assembly which is to be operated by an operator assembly having a rotatable spindle including a half round actuator and a pair of connection stems which are to be inserted into the adjustable latch assembly, comprising a cover including a central opening for receiving the half round actuator, having a pair of stop surfaces for limiting clockwise or counterclockwise rotation of the half round actuator and a stem receiving hole in the end portion remote from the stop surfaces, a housing for supporting the cover for displacement from one backset location to a second backset location, a first stem hole aligned with the cover hole when the cover is at one backset location, a second stem hole, and a third stem hole rearwardly spaced from the second stem hole a distance corresponding to the backset difference, a latch-bolt head, a retracting assembly operable to displace the latch-bolt head including a displaceable retracting member having rearwardly extending legs for engaging the half round actuator when the cover is at one backset location, and a backset converter having rearwardly extending legs and an effective length equal to the backset difference.
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