Door coupler and locking device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 27, 2009
Grant Date -
Apr 29, 2004
app pub date -
Feb 25, 2002
filing date -
Mar 2, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A door coupler provided with coupling elements actuated by means of a linkage so as to engage a counter element provided on the landing door and a locking hook that has a closed position and a released position. The release of the locking hook from the closed position to the released position is allowed when the coupling element meets the counter element. The locking hook and the coupling elements are disposed at a distance from each other.
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Family
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Cited Art Landscape
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