Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Having stop or abutment
Reexamination Certificate
1999-07-14
2001-11-27
Knight, Anthony (Department: 3626)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Having stop or abutment
C016S338000, C016S372000
Reexamination Certificate
active
06321416
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a hinge for a notebook computer, especially to a hinge that is strong and has better lubricating features and fewer constituent parts.
2. Description of Related Art
A conventional hinge for a notebook computer consists of a seat, a longitudinal or transverse spring slit defined therein, and a spring in the spring slit. The spring is able to pivot around a shaft. However, the following problems often arise in this hinge:
1. The strength of the seat is insufficient so as that the seat is often destroyed.
2. The lubrication of the seat, spring slit, and the spring is insufficient so the life span of the hinge is short.
3. Because there are a large number of constituent parts, the manufacturing cost is high.
SUMMARY OF THE INVENTION
It is an objective of the invention to provide a hinge for a notebook computer that is strong.
Another objective of the invention is to provide a hinge having a lubrication device that is able to enhance the lubrication to reduce the friction between the leaf and the pintle thus prolong the life span of the hinge.
Yet another objective of the invention is to provide a hinge having fewer constituent parts than a conventional hinge to reduce the manufacturing cost.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
REFERENCES:
patent: 5190391 (1993-03-01), Huong
patent: 5632066 (1997-05-01), Huong
patent: 5896622 (1999-04-01), Lu
patent: 6170120 (2001-01-01), Lu
Dorsey & Whitney LLP
Knight Anthony
Rodgers Matthew E.
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