Vehicle seat

Patent metadata

Field	Value
Publication number	US-11679695-B2
Application number	US-202117183359-A
Country	US
Kind code	B2
Filing date	Feb 24, 2021
Priority date	Mar 3, 2020
Publication date	Jun 20, 2023
Grant date	Jun 20, 2023

Abstract

A vehicle seat includes: a seat cushion having a seat cushion body and a seat cushion front portion, the seat cushion front portion being provided in front of the seat cushion body and configured to be in contact with and distanced from the seat cushion body, and the seat cushion being configured to be rotated so as to be set to a traveling position facing a front of a vehicle and an ingress and egress position facing a side door; and an expansion and contraction mechanism configured such that the seat cushion front portion is brought into contact with the seat cushion body as the seat cushion rotates from the traveling position to the ingress and egress position, and the seat cushion front portion is distanced away from the seat cushion body as the seat cushion rotates from the ingress and egress position to the traveling position.

First claim

What is claimed is:

1. A vehicle seat comprising:
a seat cushion having a seat cushion body and a seat cushion front portion, the seat cushion front portion being provided in front of the seat cushion body and configured to be in contact with and distanced from the seat cushion body, and the seat cushion being configured to be rotated so as to be set to a traveling position facing a front of a vehicle and an ingress and egress position facing a side door; and
an expansion and contraction mechanism configured such that the seat cushion front portion is brought into contact with the seat cushion body as the seat cushion rotates from the traveling position to the ingress and egress position, and the seat cushion front portion is distanced away from the seat cushion body as the seat cushion rotates from the ingress and egress position to the traveling position.

2. The vehicle seat according to claim 1 , wherein the expansion and contraction mechanism is a cam mechanism.

3. The vehicle seat according to claim 1 , wherein the expansion and contraction mechanism includes:
a cam portion provided in a support member that is non-rotatable and supports the seat cushion such that the seat cushion is rotatable with respect to the support member;
a receiving surface portion provided in the seat cushion front portion and with which the cam portion is brought into contact; and
an urging member that urges the seat cushion front portion toward the seat cushion body.

4. The vehicle seat according to claim 3 , wherein the expansion and contraction mechanism further includes a support rod joined to the receiving surface portion and to which the urging member is connected.

5. The vehicle seat according to claim 3 , wherein the urging member is composed of a coil spring.

6. The vehicle seat according to claim 4 , wherein the urging member is composed of a coil spring.

7. The vehicle seat according to claim 6 , wherein a first end of the coil spring is attached to the support rod, and a second end of the coil spring is attached to the seat cushion body.

8. The vehicle seat according to claim 3 , wherein the receiving surface portion is composed of an iron plate.

Assignees

• Toyota Motor Co Ltd

Inventors

• Ajisaka Satoshi

Classifications

• B60N2/14 Primary

  rotatable, e.g. to permit easy access (B60N2/10 {, B60N2/2869} take precedence) · CPC title

• B60N2/7047

  Springs · CPC title

• B60N2002/022

  the seat or seat part turning about or moving along a vertical axis · 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

• B60N2/62

  Thigh-rests {(B60N2/914 takes precedence)} · CPC title