Title:
The amount indicator of power preservation for clocks
Document Type and Number:
Japanese Patent JP6196706
Kind Code:
B2
Abstract:
A timepiece power source is provided, including a barrel containing a mainspring mounted between a drum and an arbor rotating integrally with a ratchet wheel, including a differential gear coaxial to the barrel, with a first input driven by the ratchet wheel, a second input which is the drum, and a pivoting output wheel, coaxial to the arbor, arranged to form or to drive a power reserve indicator, the differential gear including balls driving the output wheel, cooperating with an upper surface of the drum, and with a lower surface, which is opposite thereto, of a differential plate forming the first input, pivoting coaxially on the arbor and connected to the ratchet wheel by a friction means cooperating with a plate, and the ratchet wheel forms the cover of the barrel.
Inventors:
Mateus Friedli
Florent Storm
Florent Storm
Application Number:
JP2016098540A
Publication Date:
September 13, 2017
Filing Date:
May 17, 2016
Export Citation:
Assignee:
Outer S.A. Manufacture Orologer Switzerland
International Classes:
G04B9/00
Foreign References:
| DE1015747B |
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa