Timepiece movement and timepiece
AssigneeSeiko Epson Corporation
InventorNobuhiro KOIKE
Life of this patent
Estimating the term…
Abstract
A timepiece movement includes second, minute, and hour hand wheels with second, minute, and hour hand arbors; a 24-hour hand wheel with a 24-hour hand arbor; and a first to third guides that guide an arbor to which a hand attaches. The minute, hour, and 24-hour hand arbors have tubular configurations and are disposed coaxially to the second hand arbor. The minute hand arbor has a diameter greater than the second hand arbor, the hour hand arbor has a diameter greater than the minute hand arbor, and the 24-hour hand arbor has a diameter greater than the hour hand arbor. The first guide is between the second hand arbor and the minute hand arbor, the second guide is between the minute hand arbor and the hour hand arbor, and the third guide is between the hour hand arbor and the 24-hour hand arbor.
Claims9
A timepiece movement comprising:
- a second hand wheel with a second hand arbor to which a second hand attaches;
- a minute hand wheel with a minute hand arbor to which a minute hand attaches;
- an hour hand wheel with an hour hand arbor to which an hour hand attaches;
- a 24-hour hand wheel with a 24-hour hand arbor to which a 24-hour hand attaches;
- and
- a first guide, a second guide, and a third guide each configured to guide an arbor to which a hand attaches;
- the minute hand arbor, the hour hand arbor, and the 24-hour hand arbor having a tubular configuration and disposed coaxially to the second hand arbor,
- the minute hand arbor having a diameter greater than the second hand arbor,
- the hour hand arbor having a diameter greater than the minute hand arbor, and
- the 24-hour hand arbor having a diameter greater than the hour hand arbor,
- the first guide disposed between the second hand arbor and the minute hand arbor,
- the second guide disposed between the minute hand arbor and the hour hand arbor, and
- the third guide disposed between the hour hand arbor and the 24-hour hand arbor.
Dependencies are inferred from the claim text.