JPS58112158U

JPS58112158U - Seat backrest tilting device

Info

Publication number: JPS58112158U
Application number: JP1982009547U
Authority: JP
Inventors: 健一安田; 森藤　昌信
Original assignee: トヨタ車体株式会社
Priority date: 1982-01-26
Filing date: 1982-01-26
Publication date: 1983-07-30

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

図は本考案の実施例を示すものであって、第１図は本例
装置の正規状態を示す正面図、第２図は本例装置の各部
材形状を示す説明図、第３図は第２図の矢印方向より見
た側面図、第４図は背もたれ部を前傾し座部に重合させ
た状態の本例装置を示す作用説明図、第５図は背もたれ
部を後傾しフルフラット状態になした際の本例装置を示
す作用説明図である。３・・・傾倒装置、４・・・ベースブラケット、４Ａ・
・・ストッパ、５・・・ヒンジアーム、５Ａ・・・弧状
辺、５Ｂ・・・係合溝、５Ｃ・・・ストッパ、６・・・
ヒンジブラケット、６Ａ・・・弧状辺、６Ｂ・・・係合
溝、７・・・第１支軸、８・・・第２支軸、９・・・回
動レバー、９Ａ・・・係止部、９Ｂ・・・当接部、１０
・・・トーションスプリング、１１・・・操作レバー、
１１Ｂ・・・係止部、１２・・・支軸、１３・・・引張
りスプリング。The figures show an embodiment of the present invention, in which Fig. 1 is a front view showing the normal state of the device of the present invention, Fig. 2 is an explanatory view showing the shape of each member of the device of the present invention, and Fig. 3 is a diagram showing the shape of each member of the device of the present invention. 2 is a side view seen from the direction of the arrow in Figure 2. Figure 4 is an explanatory view of the device in this example with the backrest tilted forward and overlapped with the seat. Figure 5 is a side view of the device with the backrest tilted back and fully flat. FIG. 3 is an explanatory diagram showing the operation of the present example device when it is in the state. 3...Tilt device, 4...Base bracket, 4A・
... Stopper, 5... Hinge arm, 5A... Arcuate side, 5B... Engagement groove, 5C... Stopper, 6...
Hinge bracket, 6A... Arcuate side, 6B... Engagement groove, 7... First support shaft, 8... Second support shaft, 9... Rotating lever, 9A... Locking Part, 9B... Contact part, 10
...Torsion spring, 11...Operation lever,
11B...Locking portion, 12...Spindle, 13...Tension spring.

Claims

[Scope of utility model registration request]

Between the base bracket attached to the side of the seat and the hinge bracket attached to the side of the backrest, one end is rotatably attached to the base bracket by a first support shaft, and the other end or the hinge bracket is attached to the base bracket by a first support shaft. A hinge arm rotatably attached to the hinge bracket by a support shaft is interposed, a rotation lever for engaging and releasing the hinge bracket is attached to the first support shaft, and the rotation lever is engaged with the rotation lever. a biasing spring means for engaging the part with the hinge bracket; the base bracket is provided with a stopper for preventing the locking part of the rotating lever from rotating beyond a predetermined angle toward the front end of the base bracket; The base bracket has a locking part that engages and disengages the hinge arm, and when the end of the non-locking part is operated, the locking part pivots the operating lever that is engaged and disconnected from the hinge arm, and The operating lever is provided with a biasing spring means for engaging the locking portion with the hinge arm, and the operating lever is unlatched and the second support shaft side of the hinge arm is rotated toward the front side of the base bracket. A stopper is provided at the end of the first hinge arm to prevent the second pivot of the hinge arm from pivoting forward beyond a predetermined angle when the second pivot of the hinge arm comes into contact with the locking portion of the operating lever. Seat backrest tilting device.