Watch pivot device
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United States of America Patent
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Jul 19, 2022
Grant Date -
Jan 31, 2019
app pub date -
Jul 27, 2018
filing date -
Jul 31, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Method of assembly of a watch pivot device (100) or a watch mechanism (200) or a watch movement (300) or a timepiece (400), the watch pivot device (100) or the watch mechanism (200) or the watch movement (300) or the timepiece (400) comprising a pivot (1) and a bearing (2), the method comprising the following stages: (i) supplying the pivot (1); (ii) supplying the bearing (2); (iii) applying, to at least one surface (101, 102, 211, 221) of the pivot and/or of the bearing, a lubricant of which the kinematic viscosity at a temperature of 20° C. is greater than 1.5 St; and (iv) positioning the pivot in the bearing.
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