Horology: time measuring systems or devices – With calendar indicator – Movable ring or disk
Reexamination Certificate
2006-09-12
2006-09-12
Hirshfeld, Andrew H. (Department: 2854)
Horology: time measuring systems or devices
With calendar indicator
Movable ring or disk
C368S037000
Reexamination Certificate
active
07106661
ABSTRACT:
A calendar timepiece has a main plate, a time indicator mounted on the main plate for undergoing rotational movement to indicate time information, a date indicator mounted for undergoing rotation to indicate date information, and a date indicator driving wheel mounted on the main plate for undergoing rotation. A date jumper is disposed on the main plate and has a train wheel comprised of a date indicator setting portion for controlling rotation of the date indicator by engagement with the inner teeth portion of the date indicator. The date indicator setting portion has a first setting portion for contacting a tip of a first tooth of the date indicator, a second setting portion, and a third setting portion for contacting a tip of a second tooth of the date indicator. Each of the first, second, and third setting portions has a generally linear surface portion disposed at an angle relative to one another.
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Suzuki Shigeo
Takahashi Takashi
Takizawa Katsuyoshi
Tokoro Takeshi
Watanabe Mamoru
Adams & Wilks
Hinze Leo T.
Hirshfeld Andrew H.
Seiko Instruments Inc.
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