Free stop hinge

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Including means to hold or retard hinged members against...

Reexamination Certificate

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Reexamination Certificate

active

07832054

ABSTRACT:
The present invention provides a free stop hinge which can be stopped at any angle, the hinge having a structure in which a pressing force by means for pressing can be set with little variation and can be adjusted easily. The free stop hinge of the present invention connects an opening and closing member to a main body portion so that the opening and closing member can be opened and closed with respect to the main body portion and can be stopped at an arbitrary opening angle, which includes a hinge base and a hinge arm rotatably connected to the hinge base through an intermediation of a support shaft. The hinge base and the hinge arm are provided with bearing plates having shaft holes, respectively. Between the bearing plates, a friction plate having a shaft hole is disposed and the hinge arm is supported by a support shaft so as to be rotatable with respect to the hinge base. There is disposed a compression coil spring for biasing one of the bearing plates so as to be pressed to another of the bearing plates through an intermediation of the friction plate the friction plate.

REFERENCES:
patent: 4018104 (1977-04-01), Bland et al.
patent: 4620344 (1986-11-01), Lewis, Jr.
patent: 6671927 (2004-01-01), Chen
patent: 6676098 (2004-01-01), Lin
patent: 6921058 (2005-07-01), Becker et al.
patent: 7114218 (2006-10-01), Lin
patent: 7404234 (2008-07-01), Lee et al.
patent: 7421762 (2008-09-01), Lu et al.
patent: 2004/0020935 (2004-02-01), Inari
patent: 2001-097128 (2001-04-01), None

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