Timepiece gear, movement and timepiece

Timepiece gear, movement and timepiece

The invention provides a timepiece gear, a movement and a timepiece, the timepiece gear can stably maintain sliding torque through a simple structure, and the movement and the timepiece are provided with the timepiece gear. The timepiece gear (15) includes: a shaft member (20) at least a portion of...

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Hauptverfasser: SHIGESHIRO KOICHIRO, EBIHARA NATSUO
Format: Patent
Sprache:chi ; 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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creator SHIGESHIRO KOICHIRO
EBIHARA NATSUO
description The invention provides a timepiece gear, a movement and a timepiece, the timepiece gear can stably maintain sliding torque through a simple structure, and the movement and the timepiece are provided with the timepiece gear. The timepiece gear (15) includes: a shaft member (20) at least a portion of which is formed of a resin material; and a gear member (30), at least a portion of which is formed of a resin material, and which is provided so as to be slidable with respect to the shaft member (20) in a state in which the shaft member (20) passes through the gear member (30), the gear member (30) having a sliding portion (34) at which the resin material of the gear member (30) and the resin material of the shaft member (20) are in contact with each other in the radial direction. The shaft member (20) has a shaft main body (21) formed from a metal material; and an outer fitting portion (22) formed from a resin material and provided integrally with the shaft main body (21) at the outer peripheral portion of the sh
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The timepiece gear (15) includes: a shaft member (20) at least a portion of which is formed of a resin material; and a gear member (30), at least a portion of which is formed of a resin material, and which is provided so as to be slidable with respect to the shaft member (20) in a state in which the shaft member (20) passes through the gear member (30), the gear member (30) having a sliding portion (34) at which the resin material of the gear member (30) and the resin material of the shaft member (20) are in contact with each other in the radial direction. 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subjects 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
title Timepiece gear, movement and timepiece
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