Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers – Liquid
Reexamination Certificate
2007-12-31
2009-02-03
Miller, William L. (Department: 3677)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Checks and closers
Liquid
C016S303000, C188S290000
Reexamination Certificate
active
07484266
ABSTRACT:
A hinge apparatus includes a hinge and a damper. The damper includes a damping shell having a shell body. A cover board is formed on an end of the shell body, an axial hole is opened in the center of the cover board. A damping body received in the damping shell has a base portion and a column portion extending from one end of the base portion. The column portion extends outside the damping shell through the axial hole. A plurality of rotatable pieces and a plurality of limiting pieces are received in the shell body of the damping shell and alternately disposed on the column portion of the damping body. The rotatable pieces engage with the column portion so as to rotate together with the damping body, the limiting pieces are fixed to the damping shell. Damping oil is filled between the adjacent limiting pieces and the rotatable pieces. A hermetic ring is disposed on the damping body and pressed against the shell body. A rotatable body is adapted for pushing the damping body to rotate.
REFERENCES:
patent: 4155144 (1979-05-01), Koganei
patent: 4829628 (1989-05-01), Vuksic
patent: 4938322 (1990-07-01), Sugasawara et al.
patent: 5301775 (1994-04-01), Nedbal et al.
patent: 6085384 (2000-07-01), Bivens
patent: 6913125 (2005-07-01), Hayashi
patent: 7065834 (2006-06-01), Lowry
patent: 7428952 (2008-09-01), Miyamoto
patent: 2003/0150678 (2003-08-01), Iwashita
patent: 2007/0131500 (2007-06-01), Yen et al.
Cheng Uei Precision Industry Co. Ltd.
King Anthony
Miller William L.
WPAT, P.C.
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