JPH0287632U

JPH0287632U -

Info

Publication number: JPH0287632U
Application number: JP16888288U
Authority: JP
Priority date: 1988-12-27
Filing date: 1988-12-27
Publication date: 1990-07-11

Description

[Brief explanation of drawings]

第１図は正面図、第２図は第１図における―
線断面図、第３図は使用状態の斜視図、第４図
は従来品の部分断面図である。図中、１はシヨツクアブソーバ、２は圧縮コイ
ルバネ、３′，４は上、下支持片、５は調節環、
５ａ，５ａ…は挿込口を夫々示す。 Figure 1 is a front view, Figure 2 is the same as in Figure 1.
3 is a perspective view of the product in use, and FIG. 4 is a partial sectional view of a conventional product. In the figure, 1 is a shock absorber, 2 is a compression coil spring, 3', 4 are upper and lower support pieces, 5 is an adjustment ring,
5a, 5a, . . . indicate insertion ports, respectively.

Claims

[Scope of utility model registration request]

A compression coil spring is wound around the extensible rod of the shock absorber, and both ends of the compression spring are supported by upper and lower support pieces, and the rod is moved in the axial direction by rotation of one of the support pieces. In a seat suspension device in which the elasticity of the spring is adjusted according to the weight of a seated person by adjusting the distance between the upper and lower support pieces, the support piece is integrated with one of the support pieces to be rotated. 1. A seat suspension device, characterized in that an adjustment ring is provided on the adjustment ring, and an insertion opening for a support piece rotation tool is provided around the entire circumference of the adjustment ring.