JPS6449144U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の一実施例を示し、第１図は平面
図、第２図は第１図における―線断面図、第
３図は要部の平面図、第４図は第３図における
―線断面図、第５図は同―線断面図、第６
図は本案構造によるシートバツクの斜視図、第７
図は第６図における―線断面図である。 図中、１はＳ形ばね、１０はバツクフレーム、
１０ｂはバツクフレームの下部折曲部を夫々示す
。 The drawings show one embodiment of the present invention; FIG. 1 is a plan view, FIG. 2 is a sectional view taken along the line in FIG. 1, FIG. 3 is a plan view of the main part, and FIG. Line sectional view, Figure 5 is the same line sectional view, Figure 6
The figure is a perspective view of the seat bag according to the proposed structure.
The figure is a sectional view taken along the line -- in FIG. In the figure, 1 is an S-shaped spring, 10 is a back frame,
Reference numeral 10b indicates the lower bent portion of the back frame.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 側面略く字状に折曲したパイプ製バツクフレー
ムに、Ｓ形ばねを横方向に多段状に張架してなる
シートバツクにおいて、前記バツクフレームの下
部折曲部に張架するＳ形ばねは、シートバツクの
座面形状に折曲してなることを特徴とするシート
バツクにおけるＳ形ばね固定構造。 In a seat bag in which S-shaped springs are stretched horizontally in multiple stages on a back frame made of a pipe whose sides are bent into a substantially dogleg shape, the S-shaped springs stretched across the lower bent portion of the back frame are as follows: An S-shaped spring fixing structure for a seat back, characterized by being bent into the shape of the seat back.