DOOR CLOSER

PURPOSE: A door closer controlling crossing speed of a door using damping action of fluid is provided to prevent damage to a door closer or the door. CONSTITUTION: A piston(4) moves right and left according to the opening and closing of a door. A pressurization means pressurizes the piston after the...

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Bibliographic Details
Main Author LEE, DUK HWAN
Format Patent
LanguageEnglish
Published 12.11.2009
Subjects
CHECKS FOR WINGS
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
FIXED CONSTRUCTIONS
INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICESFOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTOOPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOTOTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THEWING
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Summary:PURPOSE: A door closer controlling crossing speed of a door using damping action of fluid is provided to prevent damage to a door closer or the door. CONSTITUTION: A piston(4) moves right and left according to the opening and closing of a door. A pressurization means pressurizes the piston after the door is opened. A damping means controls the closing speed by applying the fluid pressure to the piston. A door opening damping releasing means is made of a first valve part(10). A door closing damping releasing means is made of a second valve part(20).
Bibliography:Application Number: KR20080042765