Latch assembly of fire door lock
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Feb 26, 2009
app pub date -
Jul 9, 2008
filing date -
Aug 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A latch assembly of fire door lock comprises a latch base with a bottom, a latch bolt, a stopper, a resilient member and a linked unit. The latch bolt is retractably pivoted within the latch base and having a blocked surface. The stopper is swayingly pivoted within the latch base and having a blocked protrusion. The resilient member is disposed between the bottom of the latch base and the stopper and contacts against the stopper. The blocked protrusion of the stopper is capable of engaging with the blocked surface of the latch bolt. The linked unit is disposed within the latch base and pivotally connected with the latch bolt.
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