Hinge with leaves which reinforce one another against bending deflection
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United States of America Patent
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Apr 24, 1990
Issued Date -
N/A
app pub date -
Nov 8, 1988
filing date -
Apr 8, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hinge having at least three leaves pivotally joined along edges of the leaves and adapted for attachment to two members to be pivotally connected with at least one member secured to a pair of the leaves which are mutally inclined in such a way that each leaf of the pair resists bending of the other leaf of the pair. A present best mode embodiment of the hinge has four leaves and is designed primarily for use on so-called ultralight airplanes as aileron, rudder, and elevator hinges which are immune to fatigue stress failure. Another hinge embodiment is designed for use as a door hinge and has only three leaves.
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