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HINGE DEVICE FOR ROTARY DOOR
A hinge device for a rotary door is mounted to a door that is rotating to open and close the door while being rotated in various manners. The hinge device can be rotated in a free stop type in a predetermined section after it is rotated by an external force, and is automatically reversely rotated in a section in which it is reversely rotated after the free stop rotation.
HINGE DEVICE FOR ROTARY DOOR
A hinge device for a rotary door is mounted to a door that is rotating to open and close the door while being rotated in various manners. The hinge device can be rotated in a free stop type in a predetermined section after it is rotated by an external force, and is automatically reversely rotated in a section in which it is reversely rotated after the free stop rotation.
HINGE DEVICE FOR ROTARY DOOR
LEE YOUNG TAK (author) / JEONG KIL SEOK (author)
2021-04-01
Patent
Electronic Resource
English
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