Timepiece bearing, movement, and portable timepiece
AssigneeSeiko Instruments Inc.
InventorsMasashi Hiraoka, Masahiro Nakajima, Takashi Niwa
Life of this patent
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AssigneeSeiko Instruments Inc.
InventorsMasashi Hiraoka, Masahiro Nakajima, Takashi Niwa
Estimating the term…
To provide a timepiece bearing, a movement, and a portable timepiece helping to achieve an improvement in terms of time indication accuracy. A timepiece bearing 180 includes: a bearing member 181 provided at at least one end portion 145 of a shaft member 143 rotating around an axis C and regulating movement of the shaft member in axial and radial directions; an elastic member 182 having an force facing in axial direction to the bearing member; and a frame member 166 containing the bearing member, wherein the elastic member is provided so as to establish connection between the bearing member and the frame member; the frame member is supported by and fixed to a support member 167; and the shaft member is rotatable around the axis, with the shaft member and the bearing member being held in contact with each other by the elastic member.
A timepiece bearing comprising:
Dependencies are inferred from the claim text.