Vehicle seat

Patent metadata

Field	Value
Publication number	US-10843595-B2
Application number	US-201916416903-A
Country	US
Kind code	B2
Filing date	May 20, 2019
Priority date	May 21, 2018
Publication date	Nov 24, 2020
Grant date	Nov 24, 2020

Abstract

A vehicle seat including, a seat cushion including: a pair of left and right base members; a seat cushion movable portion attached in a manner that enables tip-up around a rotation shaft disposed between the base members; and a seat cushion fixed portion fixed in a manner that an upper surface portion of at least one of the base members is partially overlapped with the seat cushion fixed portion, and a distance between the base members is smaller than a sum of widths of a rear end portion of the seat cushion movable portion and a rear end portion of the seat cushion fixed portion, and the seat cushion movable portion selectively adopts a normal state where the seat cushion movable portion forms a seating surface together with the seat cushion fixed portion, and a tip-up state without interfering with the seat cushion fixed portion.

First claim

What is claimed is:

1. A vehicle seat comprising:
a seat cushion including:
a pair of left and right base members extending in a seat front-rear direction and supported by a vehicle floor;
a seat cushion movable portion which is attached in a manner that enables tip-up of the seat cushion around a rotation shaft, the rotation shaft being disposed between the pair of the left and right base members and extending in a left-right direction; and
a seat cushion fixed portion which is fixed in a manner that an upper surface portion of at least one of the pair of the left and right base members, which is located behind the rotation shaft, is partially overlapped with the seat cushion fixed portion when viewed from above,

wherein a distance between the pair of the left and right base members in the left-right direction is smaller than a sum of a width of a rear end portion of the seat cushion movable portion in the left-right direction and a width of a rear end portion of the seat cushion fixed portion in the left-right direction, and
wherein the seat cushion movable portion is configured to selectively adopt a normal state in which the seat cushion movable portion forms a seating surface of the seat cushion together with the seat cushion fixed portion, and a tip-up state in which the seat cushion movable portion is tipped up without interfering with the seat cushion fixed portion.

2. The vehicle seat according to claim 1 ,
wherein the seat cushion includes a cover member attached to a side portion, in the left-right direction, of the at least one of the pair of the left and right base members,
wherein the seat cushion fixed portion includes a base plate portion supported by the at least one of the pair of the left and right base members and a cushion body mounted on the base plate portion, and
wherein a part of the base plate portion is engaged with the cover member.

3. The vehicle seat according to claim 1 ,
wherein a boundary line, viewed in a side view, between the seat cushion fixed portion and the seat cushion movable portion in the normal state is formed in a substantially arc shape around the rotation shaft.

4. The vehicle seat according to claim 1 ,
wherein the width of the rear end portion of the seat cushion movable portion in the left-right direction is smaller than the distance between the pair of the left and right base members in the left-right direction.

5. The vehicle seat according to claim 1 ,
wherein a rear portion of the seat cushion movable portion, which includes the rear end portion of the seat cushion movable portion, is recessed in the left-right direction.

6. The vehicle seat according to claim 1 ,
wherein a width of a front end portion of the seat cushion movable portion in the left-right direction is larger than a width of the rear end portion of the seat cushion movable portion in the left-right direction.

7. The vehicle seat according to claim 1 ,
wherein the rear end portion of the seat cushion fixed portion in the left-right direction is disposed adjacent to an outer side of the rear end portion of the seat cushion movable portion in the left-right direction.

8. The vehicle seat according to claim 1 ,
wherein a front end portion of the seat cushion movable portion overlaps a front end portion of the seat cushion fixed portion when viewed from above, and the rear end portion of the seat cushion fixed portion is exposed so as to define a part of the seating surface of the seat cushion.

9. The vehicle seat according to claim 1 ,
wherein a width of a front end portion of the seat cushion movable portion in the left-right direction is larger than a width of a front end portion of the seat cushion fixed portion in the left-right direction.

Assignees

• Toyota Boshoku Kk

Inventors

• Matsuyama Nori
• Shibata Atsushi

Classifications

• B60N2/10 Primary

  tiltable (B60N2/12 {, B60N2/2875} take precedence) · CPC title

• B60N2/68

  Seat frames · CPC title

• B60N2002/0055

  characterised by special measures to ensure that no seat or seat part collides, during its movement, with other seats, seat parts or the vehicle itself · CPC title

• B60N2/3047

  the cushion being hinged at the back-rest · CPC title