JPH0261226U

JPH0261226U -

Info

Publication number: JPH0261226U
Application number: JP14118088U
Authority: JP
Priority date: 1988-10-31
Filing date: 1988-10-31
Publication date: 1990-05-08

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の実施例に係り、第１図は車両用
シートのリクライニング装置の側面説明図、第２
図は第１図の―矢視縦断面説明図、第３図は
第２図の―矢視縦断面説明図、第４図は第１
図の分解斜視説明図である。１…リクライニング装置、２…ベースフレーム
、３…バツクアーム、５…太陽歯車、５ｂ…テー
パ部、６，６Ａ，６Ｂ，６Ｃ，６Ｄ…遊星歯車、
８…第１内歯歯車、９…第２内歯歯車、１１…操
作軸（段付きピン）、１９…押圧手段（ばね座金
）。 The drawings relate to an embodiment of the present invention, and FIG. 1 is an explanatory side view of a reclining device for a vehicle seat, and FIG.
The figure is an explanatory view of the longitudinal cross-section in the direction of the arrows in Fig. 1, Fig. 3 is an explanatory view of the longitudinal cross-section in the direction of the arrows in Fig. 2, and Fig. 4 is the explanatory view of the longitudinal cross-section in the direction of the arrows in Fig. 1.
It is an exploded perspective explanatory view of the figure. DESCRIPTION OF SYMBOLS 1... Reclining device, 2... Base frame, 3... Back arm, 5... Sun gear, 5b... Taper part, 6, 6A, 6B, 6C, 6D... Planetary gear,
8... First internal gear, 9... Second internal gear, 11... Operating shaft (stepped pin), 19... Pressing means (spring washer).

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

シートクツシヨン側に固着されるベースフレー
ムと、このベースフレームに操作軸により回転可
能に枢支されシートバツク側に固着されるバツク
アームと、前記ベースフレームおよびバツクアー
ムの枢支部にそれぞれ形成された歯数の異なる第
１内歯歯車および第２内歯歯車と、この第１、第
２内歯歯車に噛み合う１個以上の遊星歯車と、前
記操作軸に一体的に固着され、前記遊星歯車と噛
み合う太陽歯車とを備えた車両用シートのリクラ
イニング装置において、前記太陽歯車の歯部外周
面にテーパ部を形成すると共に、前記太陽歯車を
前記遊星歯車側に弾性的に押圧させる押圧手段を
設けたことを特徴とする車両用シートのリクライ
ニング装置。 A base frame fixed to the seat cushion side, a back arm rotatably supported on the base frame by an operating shaft and fixed to the seat back side, and a number of teeth formed on the pivot parts of the base frame and the back arm, respectively. Different first and second internal gears, one or more planetary gears that mesh with the first and second internal gears, and a sun gear that is integrally fixed to the operating shaft and meshes with the planetary gears. The reclining device for a vehicle seat is characterized in that a tapered portion is formed on the outer circumferential surface of the tooth portion of the sun gear, and a pressing means is provided for elastically pressing the sun gear toward the planetary gear. A reclining device for vehicle seats.