Non-contact automatic latch lock
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United States of America Patent
Stats
-
Sep 19, 1989
Grant Date -
N/A
app pub date -
Nov 9, 1987
filing date -
Nov 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A non-contact automatic latch lock mainly composed of magnet coil, counter, micro-switch, counter, magnetic induction switch, lock mandrel locating plate, axial rod locating plate, brake lever and lock mandrel control axle, wherein by means of first magnet coil, second magnet coil, counter, micro-switch and magnetic induction switch, lock tongue being able to automatically draw back inside lock body for the opening of door and being able to automatically protrude beyond lock body for the closing of door.
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