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US 8,881,550 B2Granted
Closure for article, in particular for jewelry
AssigneeGrand Rainbow International Limited
InventorKhanh Tan Huynh
Life of this patent
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AssigneeGrand Rainbow International Limited
InventorKhanh Tan Huynh
Estimating the term…
A jewelry item has a closure that uses shape memory to provide two stable positions. For example, an earring has a setting and a pin, and the closure closes the pin over the ear. The closure consists of a leaf spring extending outwardly in a first loop part from a first location on the setting and looping back in a second loop part to a second location adjacent the first location on the setting. The loop parts each have shape memory and are set with different remembered shapes. The two different remembered shapes work against each other to flip the closure between two stable positions, a first position in which the closure connects to the pin to close the earring and a second position in which the closure is spaced away from the pin to open the earring. The design is particularly suitable for a huggie style earring.
A jewelry item, having first and second ends and a closure spanning a space between said two ends, the closure comprising a first leaf shaped springy element and a second leaf shaped springy element, a first end of each of the elements being attached together, where both the first and second springy leaf shaped elements are pivotally attached at a second end thereof to respective adjacent locations on a first end of the jewelry item, the adjacent locations being located at different distances from the second end of the jewelry item wherein the two spring leaf elements are spaced apart in a direction in which the springy leaf shaped elements travel from the first to second stable configurations.
Dependencies are inferred from the claim text.