Title:
乗物用座席
Document Type and Number:
Japanese Patent JP7366369
Kind Code:
B2
Abstract:
To realize a weight saving of a seat by installing an acoustic generator on a top of a backrest while ensuring a rigidity of the backrest and suppressing a weight increase.SOLUTION: An acoustic generator 27 is provided on an upper part of a backrest 10. A backrest frame 15 includes: right and left vertical frame members 15A and 15B; and a plurality of reinforcing members extending in a right-left direction to connect and reinforce the vertical frame members at a plurality of height parts. A speaker box 20 includes: right and left side plates that form an upper predetermined range of the right and left vertical frame members; a lower lid 26 and an upper lid 21 that connect the right and left vertical frame members within the upper predetermined range and function as one of the reinforcing members; and a front baffle plate 23 and a rear lid 24 that cover a front side and a rear side therebetween, respectively.SELECTED DRAWING: Figure 5
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Inventors:
Akihiko Torii
Masahiro Sugasawa
Yuusuke Hara
Masaki Yamabe
Daiki Goto
Hiroyuki Kano
Masahiro Sugasawa
Yuusuke Hara
Masaki Yamabe
Daiki Goto
Hiroyuki Kano
Application Number:
JP2020034549A
Publication Date:
October 23, 2023
Filing Date:
February 29, 2020
Export Citation:
Assignee:
Tokai Passenger Railway Co., Ltd.
Tenryu Industry Co., Ltd.
Panasonic Holdings Co., Ltd.
Tenryu Industry Co., Ltd.
Panasonic Holdings Co., Ltd.
International Classes:
B60N2/90; A47C7/72; B60R11/02; H04R1/00; H04R1/02
Domestic Patent References:
| JP2016074409A | ||||
| JP5262184A | ||||
| JP60169991U |
Foreign References:
| WO2006109389A1 |
Attorney, Agent or Firm:
Matsubara et al.