Patent ID: 6085384
Filing Date: 2000-07-11
Classification: E05D,E05F,E05Y,Y10T

Abstract:
A hinge damper comprising:a housing formed of a cylindrical wall,a rotor rotatably within said cylindrical wall, a gap being formed between said cylindrical wall and said rotor, said rotor further including first complementary surfaces on an end of said rotor;viscous fluid within said gap;a clutch rotatably within said cylindrical wall and including second complementary surfaces on an end of said clutch;means for biasing said end of said rotor against said end of said clutch, wherein in a first direction of rotation of said clutch, said first complementary surfaces engage said second complementary surfaces thereby rotating said rotor in response to rotation of said clutch and wherein in a second direction of rotation of said clutch, said first complementary surfaces disengage from said second complementary surfaces whereby said clutch rotates substantially free of engagement with said rotor.