JPH0459739U

JPH0459739U -

Info

Publication number: JPH0459739U
Application number: JP10297690U
Authority: JP
Priority date: 1990-09-29
Filing date: 1990-09-29
Publication date: 1992-05-22

Description

[Brief explanation of the drawing]

第１図はシートバツクが最前部位置にあるとき
のシートの側面図、第２図はシートバツクが最後
部位置に回動したときのシートの側面図、第３図
はシートバツクとシートクツシヨンを取り除いた
状態でのシートの斜視図、第４図は第３図の−
線断面図、第５図は第１及び第２規制リンクの
他の構成を示す図、第６図及第７図は従来のシー
トの動作を示す側面図である。１……シート、２……シートクツシヨン、３…
…シートバツク、７……クツシヨンフレーム、８
……バツクフレーム、１３……第１規制リンク、
１４……第２規制リンク、１７……連結リンク、
Ｆ……フロア、Ｐ……着座者、Ｑ……尻部。 Figure 1 is a side view of the seat with the seat back in the forwardmost position, Figure 2 is a side view of the seat with the seat back rotated to the rearmost position, and Figure 3 is with the seat back and seat cushion removed. A perspective view of the seat in the state, Figure 4 is the same as in Figure 3.
A line sectional view, FIG. 5 is a diagram showing another configuration of the first and second regulating links, and FIGS. 6 and 7 are side views showing the operation of a conventional seat. 1... Sheet, 2... Seat cushion, 3...
...Seat bag, 7...Cushion frame, 8
...Back frame, 13...First regulation link,
14...Second regulation link, 17...Connection link,
F...floor, P...seated person, Q...buttocks.

Claims

[Scope of Claim for Utility Model Registration] A seat cushion that supports the buttocks of a seated person, a seat back that supports the back of a seated person, and a back frame that supports the seat back and is pivotably supported on the floor so as to be tiltable in the front and back direction. , a cushion frame that supports the seat cushion and whose rear end is pivotally connected to the back frame; a first regulating link whose base end is pivotally supported on the floor and rotates in the front-rear direction; a second restriction link having a base end pivotally connected to the upper end and a second restriction link having an upper end pivotally connected to the front end of the cushion frame; and a front end pivotally connected to at least one of the first and second restriction links. , the back frame is provided with a connecting link whose rear end is pivotally connected to a part of the back frame other than the pivot part pivotally supported on the floor, and as the back frame tilts backward, the second regulating link and A seat characterized in that the rotation direction of the first regulation link and the second regulation link is set in such a direction that the pivot portion with the cushion frame is raised.