STEM/WINDER ASSEMBLY OF A WATERPROOF WATCH CASE AND A WATCH CASE CONTAINING SUCH A NODE Russian patent published in 2022 - IPC G04B1/00 

FIELD: watch industry.

SUBSTANCE: present invention relates to a control element, such as a stem/winder assembly of a waterproof watch case, in particular of a diving watch. Essence: assembly (9) stem/winder of the waterproof case (1) of the watch contains a tubular winder (11) inserted into the cylindrical hole (12) of the middle part (2) of the watch case, and a crown (stem) containing the first part partially connected to the winder and the second control part. The first part contains an annular contact surface (21) inclined at a given angle of less than 90° relative to the longitudinal central axis of the stem/winder assembly, starting from the first part of the winder in the outward direction of the second part of the winder. In the initial position, the first part of the winder is in contact with the annular receiving surface (22) of the middle part of the mating mold at the outlet end of the tubular hole (12). The winder additionally contains a thrust washer (20) exposed to the thrust section (31) of the first part of the winder and in contact with the stem, while it is designed and made to rest in the annular groove (30) of the middle part between the tubular hole (12) and the annular receiving surface.

EFFECT: ensuring the operability of the waterproof case of the watch under the influence of high pressure when immersed into deep water.

16 cl, 3 dwg