Latch bolt set
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 4, 2000
Grant Date -
N/A
app pub date -
Jun 17, 1997
filing date -
Apr 16, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A latch bolt set has a latch bolt and a trigger bolt assembly comprising a trigger bolt. The latch bolt has a retracted position, a projected position, an intermediate position and is biased to the projected position. The trigger bolt has a retracted first position, a projected second position, and is biased to the second position. An operator retracts the latch bolt from the projected to the retracted position. The trigger bolt assembly engages with the operator to support the latch bolt in the intermediate position when the trigger bolt is in the second position. When the trigger bolt is moved to the first position, the trigger bolt assembly automatically allows the latch bolt to move to the projected position.
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