Vehicle seat having a backrest with a fan and a lumber plate

Patent metadata

Field	Value
Publication number	US-9796307-B2
Application number	US-201514692021-A
Country	US
Kind code	B2
Filing date	Apr 21, 2015
Priority date	Apr 25, 2014
Publication date	Oct 24, 2017
Grant date	Oct 24, 2017

Abstract

A vehicle seat includes: a seat back having an upper frame; a fan provided in the seat back; a lumbar plate that is provided in the seat back and elastically supports a waist of a seated occupant from a rear side; and a support member that elastically supports the fan in an area at a height between the lumbar plate and the upper frame.

First claim

What is claimed is:

1. A vehicle seat comprising:
a seat back having an upper frame;
a fan provided in the seat back;
a lumbar plate that is provided in the seat back and is configured to elastically support a waist of a seated occupant from a rear side; and
a support member that elastically supports the fan in an area at a predetermined height between the lumbar plate and the upper frame, the support member including a support plate, wherein
the fan is elastically supported by the support member, via the support plate, such that the fan is supported independently from the lumbar plate.

2. The vehicle seat according to claim 1 , wherein
slits that extend in a height direction of the vehicle seat are provided in the support plate, and
only one side of the fan is elastically supported at respective end portions of the support plate that are provided at a root side of the slits.

3. The vehicle seat according to claim 1 , wherein
the support member further includes a spring wire attached to a frame of the seat back via a vibration damping member, and
the lumbar plate is elastically supported by the spring wire.

4. The vehicle seat according to claim 3 , wherein
the support plate is a resin plate,
the spring wire comprises a pair of left and right longitudinal wire portions extending in a height direction of the vehicle seat, and
the fan is attached to a back surface of the resin plate and is bridged between the longitudinal wire portions of the spring wire.

5. The vehicle seat according to claim 4 , wherein the resin plate is disposed above and spaced apart from an upper edge of the lumbar plate.

Assignees

• Toyota Boshoku Kk
• Toyota Motor Co Ltd

Inventors

• Awatani Tomohiro

Classifications

• B60N2/6673

  with motor driven adjustments · CPC title

• B60N2/565 Primary

  sucked from the seat surface · CPC title

• B60N2/5635

  coming from the passenger compartment · CPC title

• B60N2/66

  Lumbar supports · CPC title

• B60N2/6671

  with cable actuators · CPC title