JPH037037U

JPH037037U -

Info

Publication number: JPH037037U
Application number: JP6763489U
Authority: JP
Priority date: 1989-06-09
Filing date: 1989-06-09
Publication date: 1991-01-23
Anticipated expiration: 2003-10-12
Also published as: JPH0539953Y2

Description

[Brief explanation of drawings]

第１図ないし第５図は本考案の第１実施例を示
し、第１図はサスペンシヨン装置の全体側面図、
第２図はその全体正面図、第３図はその全体平面
図、第４図はサスペンシヨン装置前端部の概略拡
大正面図、第５図は装置後端部の概略拡大側面図
、第６図は本考案の第２実施例を示すサスペンシ
ヨン装置後端部の概略拡大側面図、第７図および
第８図は本考案の第３実施例を示し、第７図は装
置前端部の概略拡大正面図、第８図は装置後端部
の概略拡大側面図、第９図はロツクプレートの他
の構造を示す装置後端部の概略拡大正面図、第１
０図および第１１図は上記各実施例をさらに他の
構造のサスペンシヨン装置に適用したそれぞれ概
略側面図である。１……ロアフレーム、２……アツパフレーム、
３Ａ，３Ｂ……リンク機構、３１……リンクアー
ム、４Ａ，４Ｂ……トーシヨンバー（支持用バネ
部材）、５……ロツクプレート（第１ロツク部材
）、６……ロツクプレート（第２ロツク部材）、
７……コイルバネ（第１バネ部材）、８……コイ
ルバネ（第２バネ部材）、９……コイルバネ（第
３バネ部材）、Ｆ……車両フロア。 1 to 5 show a first embodiment of the present invention, and FIG. 1 is an overall side view of the suspension device;
Fig. 2 is an overall front view of the device, Fig. 3 is an overall plan view of the suspension device, Fig. 4 is a schematic enlarged front view of the front end of the suspension device, Fig. 5 is a schematic enlarged side view of the rear end of the device, and Fig. 6 is a schematic enlarged front view of the front end of the suspension device. 7 is a schematic enlarged side view of the rear end of a suspension device showing a second embodiment of the present invention, FIGS. 7 and 8 show a third embodiment of the present invention, and FIG. 7 is a schematic enlarged side view of the front end of the device. 8 is a schematic enlarged side view of the rear end of the device; FIG. 9 is a schematic enlarged front view of the rear end of the device showing another structure of the lock plate;
FIG. 0 and FIG. 11 are schematic side views in which each of the above embodiments is applied to a suspension device having another structure. 1...Lower frame, 2...Atsupa frame,
3A, 3B... link mechanism, 31... link arm, 4A, 4B... torsion bar (supporting spring member), 5... lock plate (first lock member), 6... lock plate (second lock member) ,
7... Coil spring (first spring member), 8... Coil spring (second spring member), 9... Coil spring (third spring member), F... Vehicle floor.

Claims

[Scope of utility model registration request]

A lower frame fixed to the vehicle floor, an Atsupa frame disposed above the lower frame for arranging the vehicle seat, and the Atsupa frame connected to the lower frame so as to move up and down while maintaining a horizontal posture. In a vehicle seat suspension device comprising a link mechanism that provides support for the upper frame, and a supporting spring member that provides an upper frame supporting force to the link mechanism, either the upper frame or the lower frame, or the link that constitutes the link mechanism. a first lock member and a second lock member that abut the arm at the lock position and restrict relative movement of one end and the other end of the upper frame and the lower frame, respectively; and the first lock member is provided with: During the operation, the biasing direction is reversed, and the first spring member biases the first locking member toward the locking position and toward the unlocking position, and the second locking member is biasing from the locking position to the unlocking position. a second spring member that urges; and a third spring member that connects the first lock member and the second lock member and has a smaller spring force than the first spring member and a larger spring force than the second spring member. A vehicle seat suspension device comprising: