Vehicle seat having legrest with seat cushion function

Patent metadata

Field	Value
Publication number	US-11731547-B2
Application number	US-202117534935-A
Country	US
Kind code	B2
Filing date	Nov 24, 2021
Priority date	Jun 3, 2021
Publication date	Aug 22, 2023
Grant date	Aug 22, 2023

Abstract

The present disclosure provides a vehicle seat having a legrest with a seat cushion function, which may mount a legrest on a back portion of a front seatback to be deployable such that a passenger seated on a rear seat may place and support a calf and a foot on the deployed legrest, and recline a front seatback forward to use the deployed legrest as a seat cushion on which the passenger may be seated while facing a passenger seated on the rear seat.

First claim

What is claimed is:

1. A vehicle seat comprising:
a support frame having a predetermined height and mounted on a floor panel;
a front seat cushion having a seat cushion frame mounted on the support frame so as to be movable forward or backward;
a front seatback having a seatback frame connected to the seat cushion frame so as to be reclinable;
a legrest support frame connected to a recliner frame disposed under the seatback frame;
a legrest frame fastened to the legrest support frame so as to be deployable backward; and
a legrest with a seat cushion mounted on the legrest frame, and mounted on a back portion of the front seatback so as to be deployable,
wherein front and back portions of the front seatback have a symmetric shape to each other such that each of the front and back portions of the front seatback has a surface profile against which an upper body of a passenger leans.

2. The vehicle seat of claim 1 , further comprising: a lever device interlockably connected to a recliner mounted on the recliner frame and a legrest locking device mounted on the legrest support frame.

3. The vehicle seat of claim 2 ,
wherein the lever device comprises:
a recliner lever having a front end arranged as a free end operable by a user, and a rear end rotatably connected to the recliner;
a legrest unlocking first lever having a lower end rotatably connected to the legrest locking device, and an upper end on which a guide pin is disposed; and
a connection lever having a front end hinge-connected to the recliner lever, and a rear end including a guide hole into which the guide pin is inserted so as to be slidably movable.

4. The vehicle seat of claim 3 ,
wherein a spring configured to provide an elastic restoring force for returning the recliner lever to an original position after the recliner lever is pulled is connected between a rear portion of the recliner lever and the legrest support frame.

5. The vehicle seat of claim 3 ,
wherein the legrest unlocking first lever is integrally formed with a legrest unlocking second lever at a predetermined angle for unlocking only the legrest locking device when the legrest is deployed backward.

6. The vehicle seat of claim 5 ,
wherein a legrest deployment operation lever connected to the legrest unlocking second lever by a cable is mounted on a back portion of the legrest so as to be reclinable.

7. The vehicle seat of claim 1 ,
wherein a fixed rail is mounted on the support frame, and a movable rail that is fastened to the fixed rail so as to be movable forward or backward is mounted under the seat cushion frame.

8. The vehicle seat of claim 1 ,
wherein a shield cover covering a seat cushion frame is mounted on a circumferential portion of the front seat cushion.

9. The vehicle seat of claim 8 ,
wherein an armrest part having a shape in which a passenger places an arm is integrally formed on rear portions of both sides of the shield cover.

10. A vehicle seat comprising:
a support frame having a predetermined height and mounted on a floor panel;
a front seat cushion having a seat cushion frame mounted on the support frame so as to be movable forward or backward;
a front seatback having a seatback frame connected to the seat cushion frame so as to be reclinable;
a legrest support frame connected to a recliner frame disposed under the seatback frame;
a legrest frame fastened to the legrest support frame so as to be deployable backward; and
a legrest mounted on a back portion of the front seatback so as to be deployable,
wherein the legrest has a seat cushion mounted on the legrest frame, and the vehicle seat is configured to move forward and the front seatback is configured to be reclined forward such that a seating space for the legrest is secured.

Assignees

• Hyundai Motor Co Ltd
• Kia Corp
• Das Co Ltd

Inventors

• Kim Sang Ho
• Jeong Dong Woo
• Na Seon Chae
• Lee Dong Man

Classifications

• B60N2/995 Primary

  Lower-leg-rests, e.g. calf-rests · CPC title

• B60N2/02

  the seat or part thereof being movable, e.g. adjustable (adjustable arm-rests B60N2/75; adjustable head-rests B60N2/806) · CPC title

• B64D11/0643

  Adjustable foot or leg rests · CPC title

• B60N2002/0212

  the seat or seat part turning about or moving along a longitudinal axis · CPC title

• B60N2/22

  the back-rest being adjustable {(B60N2/2878 takes precedence)} · CPC title