Hinge mechanism

Details Hinge mechanism Hinge mechanism

1998-07-16

1999-09-14

Mah, Chuck Y.

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

Hinge

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

16337, E05C 1764

Patent

active

059502819

ABSTRACT:
A hinge mechanism includes a pivot axle including a first cylindrical portion and a second cylindrical portion having a diameter smaller than that of the first cylindrical portion, an inner sleeve rotatably mounted on the second cylindrical portion of the pivot axle and including an inner wall containing a first hole for receiving the second cylindrical portion and an outer wall formed with a plurality of juxtaposed locking pieces, a first outer sleeve fixedly mounted on the inner sleeve and including an inner wall containing a second hole 31 for receiving the inner sleeve and an outer wall formed with a retaining block containing a retaining recess connecting to the second hole for receiving the plurality of juxtaposed locking pieces, and a second outer sleeve fixedly mounted on the first cylindrical portion of the pivot axle.

REFERENCES:
patent: 2462304 (1949-02-01), Burdick
patent: 4986507 (1991-01-01), Chiang
patent: 5333356 (1994-08-01), Katagiri
patent: 5406678 (1995-04-01), Rude et al.
patent: 5464038 (1995-11-01), Arnold et al.
patent: 5566048 (1996-10-01), Esterberg et al.

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