JPH0466941U

JPH0466941U -

Info

Publication number: JPH0466941U
Application number: JP10974590U
Authority: JP
Priority date: 1990-10-22
Filing date: 1990-10-22
Publication date: 1992-06-15

Description

[Brief explanation of the drawing]

第１図乃至第４図は本考案に係るリクライニン
グ装置の一実施例の概略を夫々示すものであり、
第１図はその要部構成を説明するための概略分解
斜視図、第２図はその要部を断面して示す概略側
面図、第３図はその要部断面図、第４図はシート
フレーム全体の概略構成を示す斜視図である。図中、１……車両用シート、２……シートクツ
シヨンフレーム、３……シートバツクフレーム、
１０……リクライニング装置、１１……可動側筒
体、１１ａ……アーム部、１１ｂ……内歯ヘリカ
ルギヤ部、１２……デバイスユニツト、１３……
電動モータ、１４……内側ねじ軸、１４ａ，１４
ｂ……左、右ねじ部、１５……中間筒体、１５ａ
……ねじ孔、１５ｂ……外歯ヘリカルギヤ部、１
６ａ……キー溝、１６ｂ……キー突起、１７……
固定側筒体。 1 to 4 each schematically show an embodiment of a reclining device according to the present invention,
Fig. 1 is a schematic exploded perspective view to explain the configuration of the main parts, Fig. 2 is a schematic side view showing the main parts in section, Fig. 3 is a sectional view of the main parts, and Fig. 4 is the seat frame. FIG. 2 is a perspective view showing the overall schematic configuration. In the figure, 1... vehicle seat, 2... seat cushion frame, 3... seat back frame,
DESCRIPTION OF SYMBOLS 10... Reclining device, 11... Movable cylinder body, 11a... Arm part, 11b... Internal helical gear part, 12... Device unit, 13...
Electric motor, 14...Inner screw shaft, 14a, 14
b... Left and right threaded parts, 15... Intermediate cylinder body, 15a
...Screw hole, 15b...External helical gear part, 1
6a...key groove, 16b...key protrusion, 17...
Fixed side cylinder.

Claims

[Scope of utility model registration request]

In a reclining device that tiltably supports a seat back on the rear end side of the seat cushion, a movable reclining device is provided that spans the seat back in the left-right direction on the lower end side of the seat back, and has arm parts connected to the seat back frame side on both sides. The device unit is equipped with a device unit in which the side cylinder body is rotatably incorporated, and this device unit is driven by an electric motor disposed in the center in the left and right direction, and is driven to rotate as the motor rotates. an inner threaded shaft having left and right threaded portions extending in the left-right direction of the seat back;
A pair of left and right intermediate cylinders each having a screw hole that is fitted into the right-hand threaded part and having an externally toothed helical gear part formed on the outer periphery, and rotating these left and right intermediate cylinders. It consists of a pair of left and right fixed side cylinders held movable only in the axial direction by a regulating means and fixed to the seat cushion side, and the inner peripheral part of the movable side cylinder has the A reclining device characterized in that an internal helical gear part is formed which is fitted into the intermediate cylinder and is screwed to the external helical gear part.