Title:
磁気歯車を備える計時器機構
Document Type and Number:
Japanese Patent JP7373036
Kind Code:
B2
Abstract:
A mechanism (1) including a magnetic gear (2) including a first wheel (6B) and a second wheel (6C) provided with a first magnetic toothing (10) and a second magnetic toothing (12) respectively. The first and second magnetic toothings are respectively formed by first and second teeth made of a soft ferromagnetic material; and the magnetic gear (2) further includes a third wheel (6A) arranged between the first and second wheels (6B, 6C) and provided with a third magnetic toothing (8) formed by permanent magnetic poles, in particular by bipolar magnets. In general, the first wheel is a drive wheel, whereas the second wheel is driven into order to carry out a function or transmit a torque. The third intermediate wheel is preferably mounted such that it can rotate freely.
Inventors:
Matthias Inboden
Jean-Pierre Migno
Milan Caritch
Cedric Nikola
Jean-Jack Born
Jean-Pierre Migno
Milan Caritch
Cedric Nikola
Jean-Jack Born
Application Number:
JP2022129538A
Publication Date:
November 01, 2023
Filing Date:
August 16, 2022
Export Citation:
Assignee:
The Swatch Group Research and Development Limited
International Classes:
F16H49/00; F16H35/00; G04B13/02; G04B19/02; G04B35/00
Domestic Patent References:
| JP7035216A | ||||
| JP2005207564A | ||||
| JP2007218321A | ||||
| JP11289744A | ||||
| JP2017076619A | ||||
| JP2017037065A |
Foreign References:
| US20210071746 |
Attorney, Agent or Firm:
Shigeki Yamakawa