Door lock device with half-latch detector
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United States of America Patent
Stats
-
Apr 11, 2000
Grant Date -
N/A
app pub date -
Mar 27, 1998
filing date -
Mar 28, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A door lock device comprises a latch plate pivotally connected to the body and a pawl member pivotally connected through a pivot shaft to the body and engageable with the latch plate to retain the same in given positions. The pawl member is secured to the pivot shaft to move therewith. An open lever is secured to the pivot shaft so that the open lever and the pawl member pivot like a single unit. A detecting lever is pivotally connected to the pivot shaft. A first structure is provided for pivoting the detecting lever in a first direction to a given position only when the open lever is pivoted in the first direction. A second structure is provided for retaining the detecting lever in the given position even when the open lever is pivoted back in a second direction opposite to the first direction. A detecting switch is actuated by the detecting lever when the latter comes to the given position.
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