Title:
SEAT RECLINING DEVICE
Document Type and Number:
Japanese Patent JP2019115432
Kind Code:
A
Abstract:
To provide a seat reclining device in which there is less restriction of an operation amount of a seat back, intensity of an internal mechanism is high and excellent in certainty of operations.SOLUTION: A seat reclining device comprises first and second poles which are radially movably supported to a base member and engage to an internal tooth of a ratchet, and engagement thereof is released. The ratchet has first and second pole regulation parts, and in an unlock range in which the first pole regulation part provided outside of the radial direction and a first restriction part of the first pole face in the radial direction, engagement of each pole to the internal tooth of the ratchet is regulated, and the ratchet can rotate always to the base member. In a partial specific range of the unlock range, the second pole regulation part positioned inside of the radial direction and a second restriction part of the second pole face in the radial direction. A center of gravity of the second pole is above a horizontal line passing the rotary axis line.SELECTED DRAWING: Figure 13
Inventors:
MAEDA NORITERU
AZUMA NOBUMASA
TOKUNAGA SHOMA
FUJIOKA HIDEHIKO
KUMAMOTO CHICHI
EZAKI ATSUHIKO
YAMAGUCHI TATSUYA
AZUMA NOBUMASA
TOKUNAGA SHOMA
FUJIOKA HIDEHIKO
KUMAMOTO CHICHI
EZAKI ATSUHIKO
YAMAGUCHI TATSUYA
Application Number:
JP2017250399A
Publication Date:
July 18, 2019
Filing Date:
December 27, 2017
Export Citation:
Assignee:
SHIROKI CORP
International Classes:
A47C1/025; B60N2/22
Domestic Patent References:
| JP2016147526A | 2016-08-18 | |||
| JP2014239721A | 2014-12-25 | |||
| JP2015147010A | 2015-08-20 | |||
| JP2003299544A | 2003-10-21 | |||
| JP2007159847A | 2007-06-28 |
Foreign References:
| US20150321585A1 | 2015-11-12 |
Attorney, Agent or Firm:
Hiroyoshi Aoki
Amada Masayuki
Kuniyo Miura
Amada Masayuki
Kuniyo Miura