Portable timepiece

A wristwatch has a casing containing a movement. An insertion cylindrical portion of a pipe is inserted into a through-hole in a body of the casing, and the pipe is fixed to the body. A push-button has a button shaft engageable with a contact member of the movement through the pipe, and a push opera...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI SHUICHI, ITOH KINSHURO, KOSHOJI HIDEAKI
Format:	Patent
Sprache:	eng
Schlagworte:	HOROLOGY MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES PHYSICS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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Beschreibung
Zusammenfassung:	A wristwatch has a casing containing a movement. An insertion cylindrical portion of a pipe is inserted into a through-hole in a body of the casing, and the pipe is fixed to the body. A push-button has a button shaft engageable with a contact member of the movement through the pipe, and a push operation head connected to the button shaft and disposed outside the body. The button shaft has a first portion integrated with the head and a second portion screwed onto the first portion. The second portion has a diameter greater than that of the first portion and an engagement surface capable of approaching and being separated from a tip of the insertion cylindrical portion. The push-button is biased toward the outside of the body by a spring so the engagement surface is held in contact with the tip of the insertion cylindrical portion.