Unfolding clasp for bracelet
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United States of America Patent
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-
Sep 21, 2004
Grant Date -
Aug 26, 2004
app pub date -
Feb 25, 2003
filing date -
Feb 25, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This unfolding clasp for a bracelet has a profiled plate (1) with two spaced-apart parallel branches (1a) and (1b) defining a space (1c) for the assembly, in a freely articulating manner. At least one blade (2-3) has, on the side away from its articulating part, provisions for the articulated assembly of part of the bracelet. This structure is important because the blade or blades (2-3) of the bracelet are equipped, close to the part receiving the bracelet, with two rotating rollers (6-7) and (8-9) placed coaxially with and protruding from each lateral side of the blade (2-3) in order to cooperate with the profiled rim (1d1-1d2) and (1e1-1e2) of an open recess (1d-1e) formed laterally in the thickness of each branch (1a) and (1b) for the purpose of creating, after folding down of the blade (2-3), a snap-fastening effect by rolling friction resulting from tensioning of the blade. This recess (1d-1e) is equipped with means (12-13) capable of providing the stop for part of the blade or blades (2-3) in the snap-fastened position.
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