JPS62155654U - - Google Patents
Info
- Publication number
- JPS62155654U JPS62155654U JP4328986U JP4328986U JPS62155654U JP S62155654 U JPS62155654 U JP S62155654U JP 4328986 U JP4328986 U JP 4328986U JP 4328986 U JP4328986 U JP 4328986U JP S62155654 U JPS62155654 U JP S62155654U
- Authority
- JP
- Japan
- Prior art keywords
- seat back
- back frame
- communication hole
- hollow part
- principle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000071 blow moulding Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
第１図はこの考案の実施例を示すシートバツク
フレームの斜視図、第２図は第１図Ａ―Ａ線の断
面図、第３図はヘルムホルツ共鳴器の説明図、第
４図は一般例のシートバツクフレームの斜視図で
ある。
５……シートバツクフレーム、６……フレーム
本体、６ａ……中空部、６ｂ……連通孔、８……
中空部、９……連通孔。
Fig. 1 is a perspective view of a seatback frame showing an embodiment of this invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is an explanatory diagram of a Helmholtz resonator, and Fig. 4 is a general example. FIG. 3 is a perspective view of the seat back frame of FIG. 5... Seat back frame, 6... Frame body, 6a... Hollow part, 6b... Communication hole, 8...
Hollow part, 9...Communication hole.
Claims (1)
ムに設けられる中空部の容積と、外方に対する連
通孔の開口部長さと断面積とを、ヘルムホルツ共
鳴器の原理に則して形成し、車室内のこもり音を
吸収するようにしたことを特徴とする自動車用シ
ートバツクフレーム。 By blow molding, the volume of the hollow part provided in the resin seat back frame and the opening length and cross-sectional area of the communication hole toward the outside are formed in accordance with the principle of a Helmholtz resonator, thereby reducing muffled noise in the vehicle interior. An automobile seat back frame characterized by absorbing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4328986U JPS62155654U (en) | 1986-03-25 | 1986-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4328986U JPS62155654U (en) | 1986-03-25 | 1986-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62155654U true JPS62155654U (en) | 1987-10-02 |
Family
ID=30860004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4328986U Pending JPS62155654U (en) | 1986-03-25 | 1986-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62155654U (en) |
-
1986
- 1986-03-25 JP JP4328986U patent/JPS62155654U/ja active Pending