JPH01169149U

JPH01169149U -

Info

Publication number: JPH01169149U
Application number: JP1988062587U
Authority: JP
Priority date: 1988-05-12
Filing date: 1988-05-12
Publication date: 1989-11-29

Description

[Brief explanation of drawings]

第１図から第５図はこの考案の一実施例にかか
る座席のリクライニング装置を示し、第１図が座
席の全体斜視図、第２図が分解図、第３図が断面
図、第４図が第３図の―矢視断面図、第５図
が要部拡大図である。１１……フロントシート、１２……シートクツ
シヨン、１３……シートバツク、１４Ｌ……ブラ
ケツト（シートクツシヨン）、１５Ｌ……ブラケ
ツト（シートバツク）、１６……リクライニング
装置、１７……リング部材、２０ｕ……セクタギ
ア、２０ｌ……セクタギア、２１……ガイド部材
、２１ａ……凹部、２１ｕ，２１ｌ……溝部、２
５……カム部材、２５ｕ，２５ｌ……カムフエイ
ス、３１ｕ……ロツク部材、３１ｌ……ロツク部
材、３４……歯、３５……傾斜面。 1 to 5 show a seat reclining device according to an embodiment of this invention, in which FIG. 1 is an overall perspective view of the seat, FIG. 2 is an exploded view, FIG. 3 is a sectional view, and FIG. is a sectional view taken along the arrow - in FIG. 3, and FIG. 5 is an enlarged view of the main parts. DESCRIPTION OF SYMBOLS 11... Front seat, 12... Seat cushion, 13... Seat back, 14L... Bracket (seat cushion), 15L... Bracket (seat back), 16... Reclining device, 17... Ring member, 20u... ...Sector gear, 20l...Sector gear, 21...Guide member, 21a...Recess, 21u, 21l...Groove, 2
5... Cam member, 25u, 25l... Cam face, 31u... Lock member, 31l... Lock member, 34... Teeth, 35... Inclined surface.

Claims

[Scope of utility model registration request]

A gear is fixed to one of the seat cushion or the seat bag, and a lock gear having a plurality of teeth that meshes with some of the teeth of the gear is supported on the other side of the seat cushion or the seat bag so as to be movable in the meshing and disengaging directions, In a seat reclining device that adjusts the inclination angle of the seat back by engaging and disengaging the lock gear with the gear, the side teeth of the lock gear have an asymmetrical tooth profile in which the outer tooth surface is inclined at a larger angle than the inner tooth surface. A seat reclining device characterized in that the seat is reclining.