JPH0425546U

JPH0425546U -

Info

Publication number: JPH0425546U
Application number: JP6723090U
Authority: JP
Priority date: 1990-06-27
Filing date: 1990-06-27
Publication date: 1992-02-28
Anticipated expiration: 2003-09-09
Also published as: JPH0535735Y2

Description

[Brief explanation of the drawing]

第１図乃至第５図は本考案の一実施例を示し、
第１図は本考案のリクライニング装置を備えた車
両用シートの斜視図、第２図は本考案のリクライ
ニング装置の分解斜視図、第３図は同装置の回動
体と操作レバー部分の正面図、第４図は同装置の
ロツク状態の断面図、第５図は同装置の非ロツク
状態の断面図、第６図は従来のリクライニング装
置のロツク部の斜視図である。１０……座席、１１……ベースプレート、１３
……背もたれ、１４……アーム、１６……ボス部
、１７……嵌合孔、１８……ねじ孔、１９……ボ
ス部の凹凸面、２０……板ばね盤、２１……ねじ
杆挿通孔、２２……回動体、２３……ねじ杆、２
４……回動体の凹凸面。 1 to 5 show an embodiment of the present invention,
FIG. 1 is a perspective view of a vehicle seat equipped with the reclining device of the present invention, FIG. 2 is an exploded perspective view of the reclining device of the present invention, and FIG. 3 is a front view of the rotating body and operating lever portion of the device. FIG. 4 is a sectional view of the same device in the locked state, FIG. 5 is a sectional view of the same device in the unlocked state, and FIG. 6 is a perspective view of the locking portion of the conventional reclining device. 10...Seat, 11...Base plate, 13
... Backrest, 14 ... Arm, 16 ... Boss part, 17 ... Fitting hole, 18 ... Screw hole, 19 ... Uneven surface of boss part, 20 ... Leaf spring plate, 21 ... Screw rod insertion Hole, 22...Rotating body, 23...Screw rod, 2
4...Uneven surface of the rotating body.

Claims

[Scope of utility model registration request]

A reclining device for a vehicle seat in which a frame attached to a back frame of a backrest is rotatably attached to a base plate attached to a cushion frame of the seat so that the backrest can be tilted, wherein the back frame is attached to a surface of the base plate. A protruding boss part concentric with the rotation center of the arm is provided, a screw hole is bored in the center of the boss part, and a concave and convex surface that continues alternately in the circumferential direction is provided on the surface of the boss part. A fitting hole is formed on the outer periphery of the boss portion to be rotatably fitted, and a plate spring plate is attached to the surface of the arm so as to close the fitting hole, and a screw rod is installed in the center of the plate spring plate. An uneven surface corresponding to and matching the uneven surface of the boss portion is provided on the back surface of the rotating body, which has an insertion hole drilled therein and a screw rod protruding from the center of the back surface, and a fitting hole of the arm is formed in the boss portion of the base plate. A reclining device for a vehicle seat, characterized in that the screw rods of the rotating body are screwed into the screw holes of the boss portion through the screw rod insertion holes of the leaf spring board.