Safety locking mechanism for lockset
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Nov 12, 2014
filing date -
May 19, 2014
priority date (Note) -
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Abstract
The present invention relates to a safety locking mechanism for a lockset having a cover plate, a support plate, and a lock body. The safety locking mechanism includes a locking push rod having a direction-limiting shaft and a cylindrical rod, a locking stopper, and a locking compression spring. The direction-limiting shaft is mounted at one end of the cylindrical rod and the other end of the cylindrical rod passes through the support plate and presses against the cover plate. The locking stopper is rotatably mounted on the cylindrical rod and has a front end and a back end being close against the support plate and the lock body respectively. The lock body is provided with a direction-limiting groove. The direction-limiting shaft is mounted in the direction-limiting groove. The locking compression spring is mounted between the direction-limiting shaft and a bottom end of the direction-limiting groove in a compressed manner.
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