JPH03112431U

JPH03112431U -

Info

Publication number: JPH03112431U
Application number: JP2208390U
Authority: JP
Priority date: 1990-03-05
Filing date: 1990-03-05
Publication date: 1991-11-18

Description

[Brief explanation of drawings]

第１図はシートの側面図であつて、上下位置調
整装置のアウタプレートを省略した図、第２図は
第１図に示した上下位置調整装置の拡大図、第３
図は第２図の−線断面図、第４図は上下位置
調整装置の分解斜視図、第５図ａ，ｂ，ｃはシー
トクツシヨンの前部を上昇させるときの動作を示
す説明図、第６図は従来の上下位置調整装置の欠
点を説明する図である。２……シートクツシヨン、９……上下位置調整
装置、１１……デイスク、１３……ピニオン、１
４……作動リンク、１６……操作レバー、１９…
…ギア、２２……連結リンク、Ａ……前後方向、
Ｏ_１，Ｏ_２……中心。 Fig. 1 is a side view of the seat, with the outer plate of the vertical position adjustment device omitted; Fig. 2 is an enlarged view of the vertical position adjustment device shown in Fig. 1;
The figure is a sectional view taken along the line -- in FIG. 2, FIG. 4 is an exploded perspective view of the vertical position adjustment device, and FIGS. 5 a, b, and c are explanatory diagrams showing the operation when raising the front part of the seat cushion. FIG. 6 is a diagram illustrating the drawbacks of the conventional vertical position adjustment device. 2... Seat cushion, 9... Vertical position adjustment device, 11... Disc, 13... Pinion, 1
4...operation link, 16...operation lever, 19...
...Gear, 22...Connection link, A...Anteroposterior direction,
O ₁ , O ₂ ...center.

Claims

[Scope of Claim for Utility Model Registration] A vertical position adjustment device for an automobile seat cushion in which the rear side is rotatably supported on a support body so that the front part can be raised and lowered up and down. A supported pinion, a disk that is integrally fixed to the pinion and whose center is offset from the rotation center of the pinion, and a seat cushion that is slidable in the front and rear directions and rotatably supported. an actuation link in which the disk is rotatably fitted; a connecting link having one end pivotally connected to the actuation link and the other end pivotally connected to the support body; and a connecting link rotatably supported by the seat cushion. and an operating lever provided with a gear that meshes with the pinion.