FORKED SPRING TUBE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Aug 30, 2007
app pub date -
Jan 23, 2007
filing date -
Feb 24, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A forked spring tube used for a pivot hinge on a foldable electronic product, it provides an elastic twisting force for a rotation axle. The forked spring tube has an annular slipping over portion for slipping over a shaft of the rotation axle, the slipping over portion is formed on its periphery a slit to be endued with elasticity, and the lower area of the slipping over portion has a positioning protruding sheet extending vertically downwards, the bottom of the positioning protruding sheet is formed to have a left and a right bevel portion as being forked from its middle; the two bevel portions mutually symmetrical are formed at their respective upper areas fulcrums, this will get larger fulcrum areas, and the twisting force that the spring tube can bear can be much increased; after the spring tube is assembled in a connecting portion of a fixing seat, it can be more even structurally than the prior art, and is not subjected to the problem of loosening.
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