JPS61167854U

JPS61167854U -

Info

Publication number: JPS61167854U
Application number: JP5218485U
Authority: JP
Priority date: 1985-04-10
Filing date: 1985-04-10
Publication date: 1986-10-17

Description

[Brief explanation of drawings]

第１図はこの考案に係るヘツドレストのフレー
ム構成を示し、ａはフレームの一部断面分解斜視
図、ｂは同組立状態を示す断面斜視図、第２図は
同ヘツドレストの組立状態を示す断面図、第３図
は同ヘツドレストの衝撃試験結果を示すグラフ、
第４図ａ，ｂは同ヘツドレストに衝撃が加わつた
状態を説明する図であり、ａは頭形モデルがヘツ
ドレストに衝突した状態を、ｂはヘツドレストが
後壁に衝突した状態を各々示す説明用断面図、第
５図はトラツクにおけるシートとリア側壁面との
関係を示す側面図、第６図は従来のヘツドレスト
の断面図、第７図は従来のヘツドレストの衝撃試
験結果を示すグラフである。１……座席、４……シートバツク、２２……フ
レーム、２４……前面側膨出体、２６……後面側
膨出体、３０……パツド、３２……表装材。 Fig. 1 shows the frame structure of the headrest according to this invention, a is a partially sectional exploded perspective view of the frame, b is a sectional perspective view showing the assembled state, and Fig. 2 is a sectional view showing the assembled headrest. , Figure 3 is a graph showing the impact test results of the same headrest.
Figures 4a and 4b are diagrams illustrating the state in which an impact is applied to the headrest, where a shows a state in which the head model collides with the headrest, and FIG. 4b shows a state in which the headrest collides with the rear wall. 5 is a side view showing the relationship between the seat and the rear side wall surface of a truck, FIG. 6 is a sectional view of a conventional headrest, and FIG. 7 is a graph showing the impact test results of the conventional headrest. DESCRIPTION OF SYMBOLS 1... Seat, 4... Seat back, 22... Frame, 24... Front side bulge, 26... Rear side bulge, 30... Pad, 32... Upholstery material.

Claims

[Scope of utility model registration request]

A headrest is provided on the upper part of the seat back of a vehicle seat, and the headrest consists of a plate-shaped frame serving as a core, a bulging body formed with a space provided on the front and rear surfaces of the frame, and a bulging body formed on the front and rear surfaces of the frame. The bulging body is made of a hard material that deforms plastically or elastically when a predetermined impact value is applied thereto. A headrest for a vehicle seat, characterized by comprising: