JPH01110650U

JPH01110650U -

Info

Publication number: JPH01110650U
Application number: JP558088U
Authority: JP
Priority date: 1988-01-20
Filing date: 1988-01-20
Publication date: 1989-07-26

Description

[Brief explanation of the drawing]

第１図は本考案実施例によるシートにおける背
当て板の突出量を調整する機構を示す斜視図、第
２図および、第３図は第１図に示した調整機構の
作用をそれぞれ説明するための側面図である。１……背当て板作動部材、１Ａ……基部、１Ｂ
……背当て板、１Ｅ……段階的な態位設定部、２
……シートフレーム、４……角度設定部材、４ａ
……爪、５……係止爪、６……ピン、７……引つ
張りバネ、８……復帰設定部材、９……作動設定
部材、９ａ……作動部、９ａ１……コロ、１０…
…シートフレーム、１１……押圧板、１２……巻
きバネ。 FIG. 1 is a perspective view showing a mechanism for adjusting the amount of protrusion of a backrest plate in a seat according to an embodiment of the present invention, and FIGS. 2 and 3 are for explaining the operation of the adjustment mechanism shown in FIG. 1, respectively. FIG. 1... Back plate operating member, 1A... Base, 1B
... Back plate, 1E ... Gradual posture setting part, 2
... Seat frame, 4 ... Angle setting member, 4a
... Claw, 5 ... Locking claw, 6 ... Pin, 7 ... Tension spring, 8 ... Return setting member, 9 ... Operation setting member, 9a ... Actuation part, 9a1 ... Roller, 10 …
... Seat frame, 11... Pressing plate, 12... Winding spring.

Claims

[Scope of Claim for Utility Model Registration] A seat equipped with a lumbar support that allows a back plate placed at a position corresponding to the lumbar region of the occupant inside the seat bag to protrude toward the back of the lumbar region of the occupant; A backrest plate provided at a position opposite to the back of the lumbar region is disposed at the free end, the base is pivotally connected to the seat frame, and the swingable backrest plate has a habit of returning to its initial position during normal operation. an angle setting member that is fixed to the seat frame and has a plurality of claws formed on its outer periphery; and an angle setting member that has a habit of engaging with one of the claws of the angle setting member and that is attached to the back plate actuating member. A swingable locking pawl whose base portion is pivotally connected, and a pin integrated with the free end of the locking pawl abut the outer periphery, and are pivotally connected to the seat frame and together with the back plate actuating member. A return setting member consisting of a swingable cam, and an actuation part that can come into contact with the stepwise position setting part formed in the back plate actuation member are placed on one side of the free end, and on the other side of the free end. a swingable actuation setting member, each having a pressing part facing the inner surface of the back surface of the seat bag on the side, and the actuating part having a habit of rotating toward the attitude setting part during normal life; a biasing member disposed between the actuation setting member and the seat frame, the urging member providing the actuation setting member with a tendency for the pressing portion to return to a predetermined position during normal use; By swinging toward the back cover plate actuating member, the actuating part of the actuation setting member is pressed against the attitude setting part of the back cover plate actuating member, and the back cover plate actuating member is swung to change its rocking position. An automobile seat, wherein the automobile seat is held by engagement between the locking pawl and the angle setting member.