Opening-and-closing mechanism

Details Opening-and-closing mechanism Opening-and-closing mechanism

2011-04-05

2011-04-05

Mah, Chuck Y. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Including means to hold or retard hinged members against...

C016S280000, C016S289000, C016S319000, C016S342000, C016S374000

Reexamination Certificate

active

07917996

ABSTRACT:
The present invention provides an opening-and-closing mechanism capable of reducing a falling momentum due to gravitational force of a lid that is opened and closed past the top in the perpendicular direction and easily raising the lid against the gravitational force. The opening-and-closing mechanism includes two supporting members (7, 9) and an intermediate member (15) disposed so as to be relatively rotatable about a rotation axis; a first damper (11R), disposed between a first one of the supporting members (9) and the intermediate member (15), for generating resistance against rotation during relative rotation of the two supporting members (7, 9) in one direction; a second damper (11L), disposed between a second one of the supporting members (7) and the intermediate member (15), for generating resistance against rotation during relative rotation of the two supporting members (7, 9) in another direction; and rotation-restricting portions (29R,29L) for restricting relative rotation ranges of the two supporting members (7, 9) and the intermediate member (15).

REFERENCES:
patent: 5996132 (1999-12-01), Sorimachi
patent: 6665906 (2003-12-01), Li
patent: 2004/0211211 (2004-10-01), Nam et al.
patent: 2005/0091794 (2005-05-01), Kang
patent: 2005/0108853 (2005-05-01), Lee
patent: 2005/0193523 (2005-09-01), Nam et al.
patent: 2006/0162125 (2006-07-01), Anzai
patent: HEI-6-81876 (1994-03-01), None
patent: 06-229417 (1994-08-01), None
patent: 2004-143745 (2004-05-01), None

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