JPS6322146U

JPS6322146U -

Info

Publication number: JPS6322146U
Application number: JP1986115844U
Authority: JP
Priority date: 1986-07-28
Filing date: 1986-07-28
Publication date: 1988-02-13
Also published as: JPH042584Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の好適な実施例を示す斜視図
、第２図はそれぞれのロツク個所のみを示す正面
図、第３図は操作レバーと短リンクとの関係を示
す説明図、第４図は作動状態を示す側面図である
。１……座部、２……背もたれ部、３……ベース
板、４……第１アーム、５……第２アーム、６，
７……ロツク溝、８……フツク、８Ａ……端部、
９……第１リンク、１０，１１……短リンク、１
２……第２リンク、１４，１５，１６……係合溝
、１７……係合部材、１７Ａ……係合端部、１８
……引張スプリング（付勢手段）、１９……操作
レバー、２０，２１……作動ピン。 Figure 1 is a perspective view showing a preferred embodiment of this invention, Figure 2 is a front view showing only the respective locking points, Figure 3 is an explanatory diagram showing the relationship between the operating lever and the short link, and Figure 4. FIG. 3 is a side view showing the operating state. DESCRIPTION OF SYMBOLS 1... Seat part, 2... Backrest part, 3... Base plate, 4... First arm, 5... Second arm, 6,
7... Lock groove, 8... Hook, 8A... End,
9...First link, 10,11...Short link, 1
2...Second link, 14, 15, 16...Engagement groove, 17...Engagement member, 17A...Engagement end, 18
... tension spring (biasing means), 19 ... operation lever, 20, 21 ... actuation pin.

Claims

[Scope of claim for utility model registration]
The lower end of the arm is rotatably attached, the lower end of the second arm fixed to the side of the seat back is rotatably attached to the upper end of the first arm, a locking groove is provided at the lower end of the second arm, and a lock groove is provided on the base plate. An engaging groove is formed in each of the upper ends, the middle part of the hook whose end engages with the lock groove is rotatably attached to the first arm, and the middle part of the hook with the end that engages with the lock groove of the hook and the opposite end thereof is rotatably attached to the first arm. The upper end of the first link is rotatably attached to the end, one end of the short link is rotatably attached to the lower end of the first link, and the engaging end engages with the engaging groove in the first arm. The middle part of the member is rotatably attached, the upper end of the second link is rotatably attached between the rotation center of the engaging member and the engaging end, and one end of the short link is attached to the lower end of the second link. is rotatably mounted, the other ends of the two short links are rotatably mounted on the base plate, and the operation is such that the base plate contacts the bottom surface of one end of the two short links at the center of rotation with the first arm of the base plate. A seat reclining device in which a control lever equipped with a pin is rotatably mounted, and a biasing means is provided for biasing a hook and an engaging member in a direction in which they are respectively engaged.