WATCH-WINDING STEM OF WATERPROOF WATCH CASE AND WATCHCASE CONTAINING SUCH WATCH-WINDING STEM Russian patent published in 2020 - IPC G04B1/00 

Abstract RU 2737132 C1

FIELD: watches and other time measuring instruments.

SUBSTANCE: control element (9) of case (1) of waterproof watch contains rod (11) inserted into hole (12) of case ring (2) of watch case, and head (13) having the first section connected to rod, and the second control section. First section of head has annular contact surface (21), which is inclined at specified angle less than 90° relative to longitudinal central axis of head and extends from transition between rod and first portion of head towards outer side of second portion of head. In the initial position, the first section of the head contacts the annular receiving surface (22) of the housing ring, the shape of which corresponds to the shape of the circular contact surface, or is tightly adjacent to it.

EFFECT: invention describes watch-winding stem of waterproof watch case and watchcase containing such watch-winding stem.

13 cl, 3 dwg

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RU 2 737 132 C1

Authors

Kaltenrider, Tsedrik

Kisling, Gregori

Avril, Erve

Markos, Rikardo

Gejzer, Semyuel

Dates

2020-11-25Published

2020-04-27Filed