VEHICLE SEAT

• US 20130200677A1
• Filed: 10/12/2010
• Published: 08/08/2013
• Est. Priority Date: 10/12/2010
• Status: Active Grant

• Current Assignee: Imasen Electric Industrial Company Limited, TS Tech Company Limited
• Original Assignee: Imasen Electric Industrial Company Limited, TS Tech Company Limited
• Inventors: Hoshi, Masayuki, Satou, Yuusuke, Nishioka, Mitsunobu, Esaki, Takuto
• Granted Patent: US 9,227,530 B2
• Time in Patent Office: Days
• US Class Current: 297/344.15
• CPC Class Codes: B60N 2/16 height-adjustable
• CPC Class Codes: B60N 2/1615 Parallelogram-like structure
• CPC Class Codes: B60N 2/165 Gear wheel driven mechanism
• CPC Class Codes: B60N 2/682 Joining means

Abstract

A vehicle seat with a height adjustable seat bottom, includes a side frame (30) which constitutes left and right frames of the seat bottom, a linkage configured to render a height of the side frame adjustable, and an operation knob assembly (10) including an operation knob (12) for adjustment of the height of the side frame (30). The operation knob assembly (10) includes a fixing portion (15) protruding toward the side frame (30) and being fixed to the side frame (30) in a position inwardly of the operation knob (12) with respect to a direction of an axis (11) of rotation of the operation knob (12).

Claims

1. A vehicle seat with a height adjustable seat bottom, comprising:

a side frame which constitutes left and right frames of the seat bottom;

a linkage configured to render a height of the side frame adjustable; and

an operation knob assembly including an operation knob configured to be rotated to actuate the linkage for adjustment of the height of the side frame,

wherein the operation knob assembly includes a fixing portion protruding toward the side frame and being fixed to the side frame in a position inwardly of the operation knob with respect to a direction of an axis of rotation of the operation knob.

2. The vehicle seat according to claim 1, wherein the side frame includes laterally bent reinforced portions disposed at least in positions above and below a portion of the side frame to which the operation knob assembly is fixed.

3. The vehicle seat according to claim 2, wherein the reinforced portions are formed by bending upper and lower ends of the portion to which the operation knob assembly is fixed, toward a side on which the operation knob assembly is fixed.

4. The vehicle seat according to claim 3, wherein respective end portions of the upper end and the lower end are folded back toward a side opposite to the side on which the operation knob assembly is fixed.

5. The vehicle seat according to claim 1, wherein at least a portion of the side frame to which the operation knob assembly is fixed has a shape with a closed section as viewed from a front side.