Stem mechanism for a watch

Details Stem mechanism for a watch Stem mechanism for a watch

1982-01-11

1984-05-08

Truhe, J. V.

Horology: time measuring systems or devices

Crown or stem details

368191, 368192, G04B 2704, G04B 2702, G04B 1922, G04C 300

Patent

active

044471637

ABSTRACT:
A winding stem mechanism for a watch having a winding stem and a pinion with a shaft body. The winding stem and pinion are dimensioned to slidably fit within a base plate recess, and have respective facing ends. One facing end is provided with a square blind bore, and the other facing end is square and complementary to the blind bore and dimensioned to slidably fit within the blind bore so that the winding stem can slide away from the pinion without displacing same and the winding stem can slide toward the pinion and displace same in the direction of travel of the winding stem. The pinion engages a setting wheel for setting a wheel train.

REFERENCES:
patent: 3756015 (1973-09-01), Saito et al.
patent: 3762153 (1973-10-01), Komiyama et al.
patent: 3837162 (1974-09-01), Meitinger
patent: 4274152 (1981-06-01), Ikegami

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