Apparatus for opening and closing entrance
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United States of America Patent
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Jan 31, 2017
Grant Date -
Jan 8, 2015
app pub date -
Sep 26, 2014
filing date -
Apr 5, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed herein is an apparatus for opening and closing an entrance. The apparatus includes: first and second door handles which are configured to be pushed or pulled; a moving unit which is coupled to the first and second door handles; a rotating unit which is rotatably coupled on a rotating shaft and locked to the moving unit so that when the moving unit horizontally moves, the rotating unit rotates around the rotating shaft; an actuating member which is locked to the rotating unit and moved in a direction perpendicular to a direction in which the moving unit moves; a latch unit which is fixed to the actuating member so that the latch unit is ejected from or retracted into the door by the movement of the actuating member; and a restoring spring which is wrapped around the rotating shaft and fixed to the door lock housing and the rotating unit.
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