Timepiece barrel with a twisted arbour
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United States of America Patent
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Oct 10, 2023
Grant Date -
Aug 26, 2021
app pub date -
Feb 3, 2021
filing date -
Feb 25, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A twisted arbour barrel (1), including a barrel drum (2) provided with a housing, a spring arranged in the housing of the barrel drum (2), an arbour (4) at least partially passing through the housing, the spring being compressed by rotation of the arbour in a first direction of rotation (12), the arbour (4) being provided with a protruding end (9) of the drum (2), a ratchet (3) arranged on the drum (2), the ratchet (3) being configured to allow the rotation of the arbour (4) in the first direction of rotation (12), the protruding end (9) passing through the ratchet (3) through an opening (14) cooperating by interlocking with the protruding end (9), the protruding end (9) of the arbour (4) having a twisted shape around its axis.
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Cited Art Landscape
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