Hinge structure with auxiliary roller unit

Details Hinge structure with auxiliary roller unit Hinge structure with auxiliary roller unit

2008-06-17

2009-08-25

Miller, William L. (Department: 3677)

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

Hinge

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

C016S275000, C016S337000

Reexamination Certificate

active

07578031

ABSTRACT:
A hinge structure includes a knuckle having inner and outer surfaces, the inner surface being punched to protrude outwardly thereby forming a working surface defining a working region and a locking surface defining a locking region in spatial communication with the working region. The knuckle further has a slot axially extending through the inner and outer surfaces at the working region to provide resiliency thereof. A pivot shaft extends into the working region, and has a locking section and a working section. A roller unit is disposed within the locking region in such a manner to contact the shaft. When the locking section is aligned with the roller unit, the shaft is locked to the knuckle due to biasing action of the locking surface. When the working section is aligned with the roller unit, the shaft possesses a torque due to biasing action of the knuckle.

REFERENCES:
patent: 301164 (1884-07-01), Robson et al.
patent: 5276945 (1994-01-01), Matsumura
patent: 6182330 (2001-02-01), Novin et al.
patent: 2007/0192994 (2007-08-01), Chuang
patent: 2007/0214605 (2007-09-01), Tu

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