Seat cushion frame, vehicle seat frame, and vehicle seat

Patent metadata

Field	Value
Publication number	US-12240362-B2
Application number	US-202218145715-A
Country	US
Kind code	B2
Filing date	Dec 22, 2022
Priority date	Dec 27, 2021
Publication date	Mar 4, 2025
Grant date	Mar 4, 2025

Abstract

A seat cushion frame configuring framework of a seat cushion for an occupant of a vehicle to sit on, and including left and right side frames, a cushion pan, and a reinforcement member. The left and right side frames are disposed at left and right side portions of the seat cushion. The cushion pan connects upper end portions of front portions of the left and right side frames together in a seat left-right direction. The reinforcement member includes the left and right reinforcement portions respective affixed to the seat left-right direction sides of the rear end portion of the cushion pan.

First claim

What is claimed is:

1. A seat cushion frame configuring a framework of a seat cushion for an occupant of a vehicle to sit on, the seat cushion frame comprising:
left and right side frames disposed at left and right side portions of the seat cushion;
a cushion pan connecting upper end portions of front portions of the left and right side frames together in a seat left-right direction; and
a reinforcement member that includes left and right reinforcements portions respectively affixed to seat left-right direction sides of a rear end portion of the cushion pan so as to reinforce the sides to which the reinforcement portions are affixed,
wherein the reinforcement member does not reinforce a center portion of the seat left-right direction of the rear end portion of the cushion pan.

2. The seat cushion frame of claim 1 , wherein the left and right reinforcement portions are disposed at positions opposing left and right ischial bones of the occupant from a seat front side.

3. The seat cushion frame of claim 1 , wherein the reinforcement member includes a connection portion that connects the left and right reinforcement portions together in the seat left-right direction.

4. The seat cushion frame of claim 1 , wherein:
the left and right side frames are connected to a floor section of the vehicle via left and right links having respective one end portions connected to the front portions of the left and right side frames, via left and right risers to which respective other end portions of the left and right links are connected, and via left and right slide rails to which the left and right risers are attached; and
left and right reinforcement patches are affixed to seat left-right direction side surfaces of the front portions of the left and right side frames, further toward a seat front side than the one end portions of the left and right links, such that the front portions of the left and right side frames are reinforced by the left and right reinforcement patches.

5. A vehicle seat frame comprising:
the seat cushion frame of claim 1 ;
left and right links each having a one end portion connected to respective front portions of the left and right side frames included in the seat cushion frame;
left and right slide rails that are disposed below the left and right side frames and that are attached to a floor section of the vehicle; and
left and right risers that are respectively attached to the left and right slide rails and to which respective other end portions of the left and right links are connected.

6. A vehicle seat comprising:
a seat cushion for an occupant to sit on;
a seatback configuring a backrest to support a back of the occupant; and
a framework of the seat cushion comprising the seat cushion frame of claim 1 .

Assignees

• Nhk Spring Co Ltd
• Subaru Corp

Inventors

• Osa Syunichirou
• Matsuda Hiroki
• Shirai Jun
• Takano Masafumi
• Kitanaka Fumito
• Nagumo Kenji
• Ishikawa Suguru

Classifications

• B60N2/42718

  with anti-submarining systems · CPC title

• B60N2/506

  Seat guided by rods · CPC title

• B60N2/68 Primary

  Seat frames · CPC title

• B60N2/4263

  with anti-submarining systems · CPC title

• B60N2/682

  Joining means · CPC title