Title:
ROTATION DEVICE
Document Type and Number:
Japanese Patent JP2020026865
Kind Code:
A
Abstract:
To provide a rotation device having a preload mechanism for a bearing capable of appropriately changing the level of the preload.SOLUTION: The rotation device includes a shaft 4, a bearing 8 which supports a part at one end of the shaft 4, a magnet 10 fixed to the bearing 8, and an electromagnetic coil 13 facing the magnet 10 in the length direction of the shaft 4. A magnetic gap is arranged between the magnet 10 and the electromagnetic coil 13.SELECTED DRAWING: Figure 1
Inventors:
OMURA JUN
Application Number:
JP2018153088A
Publication Date:
February 20, 2020
Filing Date:
August 16, 2018
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
F16C39/06; F16C25/08
Domestic Patent References:
JPS5264550A | 1977-05-28 | |||
JPH0545239U | 1993-06-18 | |||
JP2009014101A | 2009-01-22 | |||
JP2008215513A | 2008-09-18 | |||
JP2007177850A | 2007-07-12 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima