Locking device for an auxiliary lock
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 30, 1991
Grant Date -
N/A
app pub date -
Jul 23, 1990
filing date -
Jul 23, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A locking device for an auxiliary lock comprising a rotatable ring and a base. The ring is fitted around the auxiliary lock and combined with the base. Then they are mounted in the door to let a large part of the rotatable ring be exposed outside the door, and rotating the ring can cause the dead bolt of the auxiliary lock to extend out locking the lock.
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