Vehicle seat and manufacturing method of vehicle seat

• US 7,815,236 B2
• Filed: 10/21/2008
• Issued: 10/19/2010
• Est. Priority Date: 10/22/2007
• Status: Expired due to Fees

• Current Assignee: NHK Spring Company Limited
• Original Assignee: NHK Spring Company Limited
• Inventors: Tanaka, Yukio
• Primary Examiner(s): Patel; Kiran B.
• Application Number:
  US12/255,452
• Publication Number:
  US 20090115217A1
• Time in Patent Office: 728 Days
• Field of Search: 296/65.09, 296/193.02, 296/68.1, 296/64, 296/66, 296/69, 296/65.16, 280/735, 297/378.12, 297/250.1
• US Class Current: 296/65.09
• CPC Class Codes: B60N 2/02246 Electric motors therefor
• CPC Class Codes: B60N 2/02258 characterised by the mounting of the electric motor for adjusting the seat
• CPC Class Codes: B60N 2/22 the back-rest being adjustable B60N2/2878 takes precedence
• CPC Class Codes: B60N 2205/35 Seat, bench or back-rests being split laterally in two or more parts

Abstract

Disclosed is a vehicle rear seat whose seat back is foldable forwardly, comprising a seat back frame, a seat cushion frame, and a unit connected to the seat back frame and the seat cushion frame. The unit connected to the seat cushion frame comprises a pair of bases to be fixed to the vehicle body, an arm to be secured to the seat back frame, a hinge to connect the arm pivotally to one of the pair of bases, and a connecting bracket for connecting the base and the hinge. This configuration accomplishes shortened design time for vehicle seats with numerous variations.

Claims

1. A vehicle seat whose seat back is foldable forwardly, comprising:

a seat back frame,

a seat cushion frame, and

a unit connected to the seat back frame and the seat cushion frame comprising;

a base connected to the seat cushion frame and fixed to a vehicle body;

an arm secured to the seat back frame;

a hinge connecting the arm pivotally to the base; and

a connector connecting the base and the hinge.

2. The vehicle seat according to claim 1, wherein the unit comprises a pair of bases and a beam which is secured to each of the pair of bases to connect the pair of bases.

3. The vehicle seat according to claim 2, wherein:

the unit comprises at least two beams for connecting the pair of bases;

the two beams are each secured to both of the pair of bases to connect the pair of bases; and

the pair of bases and the two beams form a rectangle.

4. The vehicle seat according to claim 2, wherein:

the unit comprises at least two beams for connecting the pair of bases;

the two beams are disposed away from each other in a fore-and-aft direction; and

the pair of bases are each fixed to the vehicle body at positions away from each other in the fore-and-aft direction.

5. The vehicle seat according to claim 1, wherein the unit further comprises a pivot angle adjustment mechanism for the arm.