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DOOR ENSURING SAFETY WHEN OPENED BY LIMITING THE OPENING DEGREE WITHIN 20cm
DOOR ENSURING SAFETY WHEN OPENED BY LIMITING THE OPENING DEGREE WITHIN 20cm
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机译：将门限制在20厘米以内，以确保门打开时的安全
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摘要
PURPOSE: A door is provided to leave the door opened without concerning about security by employing a brake device preventing the door opened over 20cm.;CONSTITUTION: A door comprises a brake device and employs a pea bearing structure for smooth opening and closing. The holding of the door by the brake device can be released after closing the door completely, not from the outside. The door is not opened over 20cm unless a user operate from indoor side.;COPYRIGHT KIPO 2013;[Reference numerals] (AA) Model picture of an attached product; (BB) Lower bearing
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