Vehicle seat

Patent metadata

Field	Value
Publication number	US-9789793-B2
Application number	US-201314758164-A
Country	US
Kind code	B2
Filing date	Dec 27, 2013
Priority date	Dec 28, 2012
Publication date	Oct 17, 2017
Grant date	Oct 17, 2017

Abstract

A vehicle seat compactly stowed in a stowed state while suppressing contact between pivot links. A stowable seat includes an inner link, an outer link, and a guide link coupled to a seat cushion of the seat, the links are pivoted with respect to a vehicle body floor in order to move the seat cushion to a stowed position. The inner link, the outer link, and the guide link are arranged at positions different from each other in the width direction of the seat so that contact between the pivot links is suppressed. Further, the guide link is arranged at a position different from the inner link and the outer link in the front to back direction of the seat so that the seat can be compactly stowed.

First claim

The invention claimed is:

1. A vehicle seat stowable at a stowed position formed on a vehicle body floor, comprising:
first, second, and third links coupled to a seat cushion provided in the vehicle seat, the first, second, and third links being pivotable with respect to the vehicle body floor in order to move the seat cushion to the stowed position,

wherein:
the first, second, and third links are arranged at positions different from each other in a width direction of the vehicle seat; and
the third link is arranged at a position different from the first and second links in a front to back direction of the vehicle seat.

2. The vehicle seat according to claim 1 , wherein:
the third link is arranged at a position closer to the second link among the first and second links in the width direction; and
at least one or more of length in the front to back direction, length in the width direction, and second moment of area of the first link are greater than those of the second link.

3. The vehicle seat according to claim 1 , wherein the arrangement position of the first link is a position closer to center of the vehicle seat than the arrangement position of the second link in the width direction.

4. The vehicle seat according to claim 1 , comprising:
a coupling portion that couples the first link and the second link.

5. The vehicle seat according to claim 4 , wherein the coupling portion is one part of the second link.

6. The vehicle seat according to claim 1 , wherein:
the first link is arranged on one end side of the seat cushion in the width direction;
the second link is arranged on an other end side of the seat cushion in the width direction; and
the arrangement position of the third link is a position closer to a side wall of a vehicle in which the vehicle seat is installed than the arrangement positions of the first and second links in the width direction.

7. The vehicle seat according to claim 1 , wherein:
the third link is a guide link that guides the seat cushion in such a manner that the seat cushion is moved to the stowed position along a predetermined trajectory; and
a bias member that is pivotable with respect to the vehicle body floor together with the guide link while biasing the seat cushion is provided at a position side by side with the guide link in the front to back direction.

8. The vehicle seat according to claim 1 , comprising:
a support member arranged between the vehicle body floor and the seat cushion, the support member supporting the seat cushion,

wherein:
in a case where two vehicle seats are provided side by side along the width direction, the first, second, and third links and the support member are provided for each of the vehicle seats; and
at least one of the two vehicle seats includes the support member placed between the first link and the second link in the width direction, and the support member placed between the first links of the separate vehicle seats.

9. The vehicle seat according to claim 2 , wherein the first link has a closed section structure.

10. The vehicle seat according to claim 2 , wherein a seatbelt anchor is fixed to the first link.

11. The vehicle seat according to claim 2 , comprising:
a coupling portion that couples parts of the first link and the second link on a one end side in an extending direction, wherein at least a part of the coupling portion is fixed in a state where the part is housed in an end portion of the first link on the vehicle body floor side.

12. The vehicle seat according to claim 2 , wherein:
the seat cushion includes a framework shaped seat cushion frame, and a pan frame provided in a front portion of a region partitioned by the seat cushion frame;
a support leg whose one end side is fixed to the seat cushion, the support leg supporting the seat cushion at a use position and being brought into a state where the seat cushion is not supportable at the stowed position is provided; and
the pan frame is arranged to avoid a support leg attachment portion that couples the support leg to the seat cushion frame.

13. The vehicle seat according to claim 2 , comprising:
a bias member whose one end side is attached to the seat cushion and an other end side is coupled to the vehicle body floor, the bias member biasing the seat cushion downward or in a horizontal direction at the stowed position.

14. The vehicle seat according to claim 2 , comprising:
a seat back frame including a pair of vertical frame portions that extend along an up and down direction in a side portion of the vehicle seat, and a pair of horizontal frame portions that respectively couple upper end sides and lower end sides of the pair of vertical frame portions;
a pan frame fixed to the seat back frame, the pan frame extending in a region partitioned by the seat back frame;
a linear member fixed to one surface of the pan frame and bridged to couple the pair of vertical frame portions;
an input portion to which an operation move of an operator for moving the vehicle seat between the use position and the stowed position of the vehicle seat is transmitted; and
a transmission device that transmits the move transmitted to the input portion to a movement device that moves the vehicle seat between the use position and the stowed position, wherein the transmission device is abutted with the linear member.

Assignees

• Ts Tech Co Ltd

Inventors

• Abe Hirohisa
• Akutsu Takeshi
• Ikawa Haruki

Classifications

• B60N2/3009

  about transversal axis · CPC title

• B60N2/309

  rods · CPC title

• B60N2/3075

  stowed in recess (B60N2/3079 takes precedence) · CPC title

• B60N2/3011 Primary

  the back-rest being hinged on the cushion, e.g. "portefeuille movement" · CPC title

• B60N2/3065

  in a longitudinal-vertical plane · CPC title