Passenger seat for aircraft

Patent metadata

Field	Value
Publication number	US-10093423-B2
Application number	US-201415506091-A
Country	US
Kind code	B2
Filing date	Aug 28, 2014
Priority date	Aug 28, 2014
Publication date	Oct 9, 2018
Grant date	Oct 9, 2018

Abstract

A passenger seat 100 for an aircraft, including a seat bottom frame 210 , a backrest frame 220 and a headrest frame 230 that constitute a reclining assembly, which are supported by a spreader 170 and pipes 130 and 132 fastened to a floor by seat track fittings 110 , the pipes 130 and 132 passing through left and right legs 120 . A direct-acting-type damper 300 is attached to the backrest frame 230 , and an extension member 400 is attached to the headrest frame 230 , whereby a structural design is provided in which the reclining assembly, the direct-acting-type damper and the extension member can be easily replaced.

First claim

The invention claimed is:

1. A passenger seat for an aircraft comprising:
a pair of legs attached via fittings to a seat track on a floor surface of the aircraft;
two pipes respectively fixed to a front and a rear of the legs; and
a spreader serving as a frame fixed to the two pipes and supporting a reclining assembly of the seat,
wherein the reclining assembly comprises a seat bottom frame, a backrest frame and a headrest frame, the spreader comprising grooves receiving cam followers provided on both sides of the reclining assembly, and a cover covering an opening portion provided on an upper portion of the groove configured to allow attachment and detachment of the cam followers.

2. The passenger seat for an aircraft according to claim 1 ,
wherein the cover comprises a shape that prevents the cover from falling into the groove.

3. The passenger seat for an aircraft according to claim 1 ,
wherein the reclining assembly comprises a direct-acting-type damper attached to a side portion of the backrest frame.

4. The passenger seat for an aircraft according to claim 3 ,
wherein the direct-acting-type damper is a gas damper.

5. The passenger seat for an aircraft according to claim 3 ,
wherein a pin attaching the direct-acting-type damper to the backrest frame comprises a leading end portion comprising a tapered surface.

6. The passenger seat for an aircraft according to claim 1 ,
wherein the reclining assembly comprises an extension member provided at a leading end of a headrest frame, and the extension member is attached pivotably via a pivoting hinge to the headrest frame.

7. The passenger seat for an aircraft according to claim 6 ,
wherein the pivoting hinge comprises a ball pressed by a spring, a pipe-shaped bushing into which the spring is inserted, and a cam plate comprising a dent receiving the ball.

8. The passenger seat for an aircraft according to claim 7 ,
wherein the cam plate is attached via a pin.

9. The passenger seat for an aircraft according to claim 7 ,
wherein the ball, the bushing and the cam plate are formed of a metal having a higher hardness than the pivoting hinge.

Assignees

• Jamco Corp

Inventors

• Uriu Tsukasa
• Tagami Nozomu
• Ozaki Masaji

Classifications

• B64D11/0642

  Adjustable headrests · CPC title

• B64D11/0696

  Means for fastening seats to floors, e.g. to floor rails · CPC title

• B64D11/064 Primary

  Adjustable inclination or position of seats · CPC title

• B64D11/0639 Primary

  with features for adjustment or converting of seats · CPC title

• Y02T50/40

  Weight reduction · CPC title