Latch Lock
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United States of America Patent
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-
N/A
Issued Date -
Oct 1, 2009
app pub date -
Nov 8, 2006
filing date -
Dec 16, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A latch lock having a latch which is arranged so as to be displaceable against spring force in a lock case that can be fastened to a wall, door leaf, or the like, having a first locking cylinder whose thumb draws the latch back against spring force when the cylinder core is rotated by a key. The locking cylinder is constructed in such a way that it allows the key to be pulled out only in a determined position of the cylinder core with reference to the cylinder housing such as in the locking position. According to the invention, a second locking cylinder is arranged in the lock case and coupled with the first locking cylinder such that, when rotated by means of a key, its thumb moves the first locking cylinder into the determined position in which the key can be extracted from the first locking cylinder.
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