Multifunction timepiece having fan shape moving hand...

Horology: time measuring systems or devices – With calendar indicator

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C368S223000

Reexamination Certificate

active

11297128

ABSTRACT:
To realize an analog multifunction timepiece which is small sized and does not need much time period in operation of fabricating and integrating a part by adopting a fan shape moving hand mechanism without using a hairspring. A movement of a multifunction timepiece is provided with a calendar information display mechanism. The calendar information display mechanism is provided with a transmission wheel having a transmission cam portion, a display wheel constituted to rotate based on rotation of the transmission wheel and for displaying calendar information, a first hammer rotatably provided by being brought into contact with a transmission cam portion, and a second hammer rotatably provided in corporation with the display wheel. The first hammer includes a cam contact portion and an operating wheel portion. The second hammer is constituted to always receive a force of rotating in a constant direction.

REFERENCES:
patent: 3732686 (1973-05-01), Zaugg
patent: 4623261 (1986-11-01), Muto
patent: 5379272 (1995-01-01), Parmigiani
patent: 5956294 (1999-09-01), Takizawa et al.
patent: 6370087 (2002-04-01), Akahane et al.
patent: 7065005 (2006-06-01), Rochat
patent: 7167416 (2007-01-01), Krishnamani
patent: 7170826 (2007-01-01), Furukawa et al.
patent: 2004/0105346 (2004-06-01), Lang
patent: 2004/0218473 (2004-11-01), Takahashi et al.
patent: 2006/0140057 (2006-06-01), Hirano et al.
patent: 2006/0215498 (2006-09-01), Meier
patent: 62172 (1913-11-01), None
patent: 666591 (1988-08-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Multifunction timepiece having fan shape moving hand... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multifunction timepiece having fan shape moving hand..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multifunction timepiece having fan shape moving hand... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3799421

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.