Head rest device

Patent metadata

Field	Value
Publication number	US-10064496-B2
Application number	US-201515309988-A
Country	US
Kind code	B2
Filing date	May 14, 2015
Priority date	Jun 27, 2014
Publication date	Sep 4, 2018
Grant date	Sep 4, 2018

Abstract

There is provided a head rest device 10 that does not impair safety of a seated person even when a secondary battery 35 is accommodated therein.
An accommodation space 28 partitioned by a partitioning plate part 25 is provided inside a cushioning core material 12 of a head rest main body, and a secondary battery 35 is accommodated inside the accommodation space 28.

First claim

The invention claimed is:

1. A head rest device comprising:
a head rest main body including a core material which surrounds a casing; and
a partitioning plate partitioning inside the casing, and separating between an enclosure space and an accommodation space which is positioned below the enclosure space,
wherein a secondary battery is accommodated inside the accommodation space of the casing and is covered by the partitioning plate, and
the accommodation space of the casing has a guiding port that is formed on a bottom face of the casing and that penetrates the bottom face to open toward a lower side of the core material.

2. The head rest device according to claim 1 , wherein the accommodation space is placed at a lower part of the core material.

3. The head rest device according to claim 1 , wherein the accommodation space includes a groove for causing a wall face of the accommodation space to break when an internal pressure increases.

4. The head rest device according to claim 1 , wherein a protective cushioning material is provided on a surface of the core material and on a front side of the accommodation space.

5. The head rest device according to claim 1 , wherein a protective plate is provided on a front side of the accommodation space.

6. The head rest device according to claim 1 , wherein at least one speaker is disposed in the enclosure space of the casing.

7. The head rest device according to claim 1 , wherein a microphone is disposed in the enclosure space of the casing.

Assignees

• Clarion Co Ltd
• Tachi S Co

Inventors

• Takada Naoki
• Nakashima Fumiaki
• Ishikawa Takao
• Nagasawa Takahiko
• Ito Yasuyuki

Classifications

• B60N2/879

  with additional features not related to head-rest positioning, e.g. heating or cooling devices or loudspeakers · CPC title

• B64D11/0015

  Arrangements for entertainment or communications, e.g. radio, television · CPC title

• A47C7/38 Primary

  for the head, e.g. detachable · CPC title

• B60R11/02

  for radio sets, television sets, telephones, or the like; Arrangement of controls thereof · CPC title

• B60N2002/899

  characterised by structural or mechanical details not otherwise provided for · CPC title