Panic device with door closer
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 18, 2025
Grant Date -
Jul 13, 2023
app pub date -
Dec 22, 2022
filing date -
Dec 22, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a panic bar with a door closer, the panic bar having a locking device installed at a front end of a case and a door closer provided at a rear end of the case. The locking device is released upon pushing of the push bar provided in the case. An air cylinder is installed inside the case. A guide member is installed in one side of the air cylinder and a cylinder sealing cap is installed in the other side of the air cylinder. One side of a piston rod having a piston for compressing and expanding air inside the air cylinder passes through the guide member. A spring disposed between the piston and the guide member is installed on the piston rod.
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