JPH0124654B2 - - Google Patents
Info
- Publication number
- JPH0124654B2 JPH0124654B2 JP2767481A JP2767481A JPH0124654B2 JP H0124654 B2 JPH0124654 B2 JP H0124654B2 JP 2767481 A JP2767481 A JP 2767481A JP 2767481 A JP2767481 A JP 2767481A JP H0124654 B2 JPH0124654 B2 JP H0124654B2
- Authority
- JP
- Japan
- Prior art keywords
- seat
- frame
- breakover
- shaft
- seat back
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/427—Seats or parts thereof displaced during a crash
- B60N2/42727—Seats or parts thereof displaced during a crash involving substantially rigid displacement
- B60N2/42745—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the back-rest
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
- B60N2/4214—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Description
【発明の詳細な説明】
本発明は、車両、船舶、航空機等の座席装置に
関するものであり、特に座席のシートバツクの後
方に所定荷重以上の衝撃が加わつた場合、シート
バツクを前方へ傾斜させて該衝撃を緩和すること
ができる座席装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seat device for a vehicle, a ship, an aircraft, etc. In particular, when an impact of more than a predetermined load is applied to the rear of the seat back of a seat, the seat back is tilted forward and The present invention relates to a seat device that can reduce impact.
従来から、車両、船舶、航空機等の座席におい
て、所望により後方へ傾斜させ、使用者が安楽に
使用し得る所謂リクライニング式座席装置が提案
されている。 2. Description of the Related Art Conventionally, so-called reclining seat devices have been proposed for seats in vehicles, ships, airplanes, etc., which can be tilted rearward as desired so that the user can use them comfortably.
しかし、最近これ等座席装置についても使用者
のための便利性と同時に、使用者以外の人に対す
る安全性を確保するための機能を加味した装置の
必要性が要望されている。特に高速で疾走する航
空機等が事故その他の原因で急停止しなければな
らない場合、乗客はその慣性力で前方へ投げ出さ
れ、前側座席のシートバツクに激突して死傷する
ことも稀ではない。 However, recently, there has been a demand for a seat device that is not only convenient for the user but also has a function to ensure safety for people other than the user. In particular, when an aircraft traveling at high speed has to come to a sudden stop due to an accident or other reasons, it is not uncommon for passengers to be thrown forward by the inertia and collide with the seatbacks of the front seats, resulting in death or injury.
このような場合でも、前側座席のシートバツク
が後方からの衝撃を受けて傾斜し得るような構造
になつていれば、前側座席に対する衝撃を緩和し
死傷事故を減少させることが可能である。 Even in such a case, if the seat back of the front seat has a structure that allows it to tilt in response to an impact from behind, it is possible to reduce the impact on the front seat and reduce the number of fatalities and injuries.
本発明は、シートバツクの左右縁端部を支持固
定するシートバツクフレームの軸着部の両側にブ
レークオーバーアームを回動自在に取り付け、そ
の軸着部を回動中心とする上端部側案内溝内に上
記シートバツクフレームに固定された軸を嵌め合
わせて連結すると共に、その下端部側と座席のベ
ースフレームを相互に回動自在に連結し、かつシ
ートバツクフレーム下端部とブレークオーバーア
ームの間にシートロツクを介在させ、所定範囲内
においてシートバツクを前方へ傾斜させ得るよう
に構成し、後方からの所定荷重以上の衝撃力を緩
和することができる座席装置を提供することを目
的としている。 In the present invention, breakover arms are rotatably attached to both sides of the pivoting part of the seatback frame that supports and fixes the left and right edge parts of the seatback, and the breakover arm is rotatably mounted on both sides of the pivoting part of the seatback frame that supports and fixes the left and right edge parts of the seatback. A shaft fixed to the seatback frame is fitted and connected to the seatback frame, and the lower end side thereof and the base frame of the seat are rotatably connected to each other, and between the lower end of the seatback frame and the breakover arm. To provide a seat device which is configured so that a seat back can be tilted forward within a predetermined range by interposing a seat lock, and which can alleviate an impact force exceeding a predetermined load from the rear.
以下、本発明に係る座席装置の実施例を図面に
従つて説明する。 Embodiments of the seat device according to the present invention will be described below with reference to the drawings.
図面において、座席は、前ビーム１及び後ビー
ム２間に架設固定されたベースフレーム３上にシ
ートバツクＡ及びシートボトムＢを載置して構成
するもので、シートバツクＡの左右縁端部を支持
固定するためのシートバツクフレーム４の下端部
４ａを後ビーム２の後部上方へ突出させた上記ベ
ースフレーム３の後端部３ａに軸着し、該下端部
４ａにおいて自在に回動し、所望により上端部側
を前後方向に傾斜させ得るように構成する。５
は、座席のベースフレーム３上に装着され、シー
トバツクＡと応動して前後方向へ自在に摺動する
スライドフレームであり、シートボトムＢはこの
スライドフレーム５上に装着されるように成る。 In the drawing, the seat is constructed by placing a seat back A and a seat bottom B on a base frame 3 installed and fixed between a front beam 1 and a rear beam 2, and the left and right edges of seat back A are supported and fixed. The lower end 4a of the seat back frame 4 for the purpose of It is constructed so that the side of the part can be inclined in the front-rear direction. 5
is a slide frame that is mounted on the base frame 3 of the seat and freely slides in the front and rear directions in response to the seat back A, and the seat bottom B is mounted on this slide frame 5.
６は、シートバツクフレーム４とスライドフレ
ーム５を夫々の一端側、即ちシートバツクフレー
ム４の下端部４ａとスライドフレーム５の後端部
５ａにおいて連結し、シートバツクフレーム４の
後方への傾斜動作とスライドフレーム５の前後摺
動動作を連係させるためのブレークオーバーアー
ムであり、シートバツクフレーム４をベースフレ
ーム３に取り付けている軸７によりシートバツク
フレーム４の下端部４ａと同軸上において回動自
在に取り付け、その下端側に固定された軸８をス
ライドフレーム５の後端部５ａ側縁に突設させた
耳片部９の案内長孔１０内に遊嵌させて成る。而
して、所望によりシートバツクＡを後方へ傾斜さ
せる場合、シートバツクフレーム４が軸７をその
回動中心として後方へ回動傾斜し、ブレークオー
バーアーム６の上端側を係止してこれを後方へ回
動させ、同時に下端側を前方へ回動させることが
できる。案内長孔１０は、この下端側の前方への
回動によつてスライドフレーム５を前方へ押し出
すためのものであり、ブレークオーバーアーム６
の下端側に固定した軸８の前方及び上方への回動
（矢印Ｃ）を所定範囲内において吸収し得る長径
を有しており、軸８がこの案内長孔１０の下端縁
に係止される位置においてシートバツクＡの正常
使用位置とスライドフレーム５の後部位置が決定
され、また軸８がこの案内長孔１０の上端縁に係
止される位置においてシートバツクＡの後方への
最大傾斜位置とスライドフレーム５の最前部位置
が決定される。而して、座席のシートバツクＡの
リクライニング動作にシートボトムＢの前後移動
動作を連動させることができる。 6 connects the seat back frame 4 and the slide frame 5 at one end side of each, that is, the lower end 4a of the seat back frame 4 and the rear end 5a of the slide frame 5, and prevents the seat back frame 4 from tilting backward. This is a breakover arm for coordinating the longitudinal sliding motion of the slide frame 5, and is rotatable on the same axis as the lower end 4a of the seat back frame 4 via the shaft 7 that attaches the seat back frame 4 to the base frame 3. A shaft 8 fixed to the lower end of the slide frame 5 is loosely fitted into a guide hole 10 of a lug 9 projecting from the side edge of the rear end 5a of the slide frame 5. When the seat back A is tilted rearward as desired, the seat back frame 4 rotates and tilts rearward about the shaft 7, locks the upper end side of the breakover arm 6, and tilts it rearward. The lower end side can be rotated forward at the same time. The guide slot 10 is for pushing the slide frame 5 forward by rotating the lower end side forward, and is for pushing the slide frame 5 forward.
It has a long diameter that can absorb the forward and upward rotation (arrow C) of a shaft 8 fixed to the lower end side of the guide hole 10 within a predetermined range, and the shaft 8 is locked to the lower end edge of this elongated guide hole 10. At this position, the normal use position of the seat bag A and the rear position of the slide frame 5 are determined, and at the position where the shaft 8 is locked to the upper edge of the guide elongated hole 10, the maximum rearward tilt position of the seat bag A and the sliding position are determined. The frontmost position of frame 5 is determined. Thus, the reclining operation of the seat back A of the seat can be linked to the longitudinal movement of the seat bottom B.
ブレークオーバーアーム６は、その上端側に軸
着部７を回動中心とし、かつ円周方向に添つて形
成された案内溝１１を具備しており、この案内溝
１１内にシートバツクフレーム４の側端面に固定
された軸１２を嵌め合わせる。この案内溝１１
は、シートバツクＡの前方への傾斜角度を特定す
るためのものであり、シートバツクＡの正常使用
位置において該シートバツクフレーム４に固定さ
れた軸１２が案内溝１１の後端縁に係合してお
り、シートバツクＡに所定荷重以上の衝撃が加わ
つた場合、上記軸１２が案内溝１１の前端縁に係
合する位置までシートバツクＡを前方へ傾斜させ
ることができる。 The breakover arm 6 is provided with a guide groove 11 formed along the circumferential direction around the shaft attachment part 7 on its upper end side. The shaft 12 fixed to the side end surface is fitted. This guide groove 11
is for specifying the forward inclination angle of the seat bag A, and the shaft 12 fixed to the seat bag frame 4 is engaged with the rear edge of the guide groove 11 in the normal use position of the seat bag A. Therefore, when an impact of a predetermined load or more is applied to the seat back A, the seat back A can be tilted forward to a position where the shaft 12 engages with the front edge of the guide groove 11.
１３は、案内溝１１を形成したブレークオーバ
ーアーム６の上端側を挟持押圧するスペーサーで
あり、本実施例においては、案内溝１１内に遊嵌
させた軸１２を用いてシートバツクフレーム４の
下端部４ａに定着させてある。このスペーサー１
３は、所定範囲内の衝撃荷重に対してシートバツ
クＡの前方への回動を阻止し得る摩擦力を有して
おり、ブレークオーバーアーム６に対する挟持部
の対荷重力は、このスペーサー１３の材質と軸１
２の締付力によつて適宜調節することができる。 Reference numeral 13 denotes a spacer that clamps and presses the upper end side of the breakover arm 6 in which the guide groove 11 is formed. In this embodiment, the lower end of the seatback frame 4 is It is fixed to the portion 4a. This spacer 1
3 has a frictional force that can prevent forward rotation of the seat back A against an impact load within a predetermined range, and the load force of the clamping portion against the breakover arm 6 depends on the material of this spacer 13. and axis 1
It can be adjusted as appropriate by the tightening force in step 2.
１４は、ブレークオーバーアーム６の下端側と
ベースフレーム３の前後ビーム１，２間の適宜部
位との間に介在させ、両者間を連結するシートロ
ツクである。このシートロツクは１４は、リクラ
イニングボタン（図示していない）を操作するこ
とにより自在に伸縮させ、所定長さにおいてベー
スフレーム３に対するブレークオーバーアーム６
の回動を阻止するものであり、シートバツクＡを
後方へ所定角度傾斜させ、その傾斜位置を固定す
ることができる。 A seat lock 14 is interposed between the lower end of the breakover arm 6 and an appropriate portion between the front and rear beams 1 and 2 of the base frame 3 to connect the two. This seat lock 14 can be freely extended and contracted by operating a reclining button (not shown), and a breakover arm 6 relative to the base frame 3 at a predetermined length.
The seat bag A can be tilted rearward at a predetermined angle and the tilted position can be fixed.
本発明は、以上のように構成したから、正常使
用時には所望によりシートバツクを後方へ傾斜さ
せて所謂リクライニング動作させることができる
と共に、シートバツクの後方から所定荷重以上の
衝撃力が加えられた場合には、該シートバツクを
前方へ傾斜させてその衝撃を緩和することができ
るものであり、後部座席の使用者たる乗客に対す
る安全性を向上させることができる優れた効果を
有するものである。 Since the present invention is configured as described above, during normal use, the seat back can be tilted rearward to perform a so-called reclining operation as desired, and when an impact force of more than a predetermined load is applied from the rear of the seat back, The seat back can be tilted forward to alleviate the impact, and has an excellent effect of improving safety for passengers who occupy the rear seats.
図面は、本発明に係る座席装置の一実施例を示
すものであり、第１図は座席の側面図、第２図は
座席装置の拡大側面図、第３図は同じく拡大背面
図、第４図は第２図−線断面図、第５図はブ
レークオーバーアームの詳細を示すものであり、
イは拡大正面図、ロは拡大左側面図、ハは拡大右
側面図である。
１……前ビーム、２……後ビーム、３……ベー
スフレーム、４……シートバツクフレーム、５…
…スライドフレーム、６……ブレークオーバーア
ーム、７，８，１２……軸、９……耳片部、１０
……案内長孔、１１……案内溝、１３……スペー
サー、１４……シートロツク、Ａ……シートバツ
ク、Ｂ……シートボトム。
The drawings show an embodiment of the seat device according to the present invention, and FIG. 1 is a side view of the seat, FIG. 2 is an enlarged side view of the seat device, FIG. 3 is an enlarged rear view, and FIG. The figure is a sectional view taken along the line shown in Fig. 2, and Fig. 5 shows details of the breakover arm.
A is an enlarged front view, B is an enlarged left side view, and C is an enlarged right side view. 1...Front beam, 2...Rear beam, 3...Base frame, 4...Seat back frame, 5...
...Slide frame, 6...Breakover arm, 7, 8, 12...Shaft, 9...Ear piece, 10
... Guide slot, 11 ... Guide groove, 13 ... Spacer, 14 ... Seat lock, A ... Seat back, B ... Seat bottom.
Claims (1)
部上方へ傾斜突出させて成るベースフレームを架
設固定し、該ベースフレームの上記後端部にシー
トバツクフレームの下端部を回動自在に取り付け
ると共に、このシートバツクフレームの下端両側
部同軸上に夫々ブレークオーバーアームを回動自
在に取り付け、この軸着部を回動中心としてブレ
ークオーバーアームの上端部側に円弧状に透設形
成された案内溝内にシートバツクフレーム側に固
定された軸を嵌め合わせて連結し、該軸部に配設
されたスペーサーでブレークオーバーアームの上
記案内溝周辺部の端面を調節可能な所定押圧力に
て締付挟持し、かつブレークオーバーアーム夫々
の下端部端面に突設した軸をスライドフレームの
後部両端縁に延設された耳片部の案内長孔内に遊
嵌させて相互に連結し、更に少なくとも一方のブ
レークオーバーアームの下端部とベースフレーム
の前後ビーム間適宜部位とをシートロツクにより
連結したことを特徴とする座席装置。1. A base frame having a rear end projecting obliquely upward from the rear of the rear beam is erected and fixed between the front and rear beams of the seat, and the lower end of the seat back frame is rotatably attached to the rear end of the base frame. At the same time, breakover arms are rotatably attached to both sides of the lower end of the seatback frame, respectively, and guides are formed transparently in an arc shape on the upper end side of the breakover arm with the shaft attachment part as the center of rotation. A shaft fixed to the seatback frame side is fitted into the groove and connected, and the end face of the breakover arm around the guide groove is tightened with an adjustable predetermined pressing force using a spacer provided on the shaft. The shafts protruding from the lower end surfaces of each of the breakover arms are loosely fitted into the guide slots of the lug portions extending from both rear end edges of the slide frame, and are connected to each other. A seat device characterized in that the lower end of one breakover arm and an appropriate portion between the front and rear beams of a base frame are connected by a seat lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2767481A JPS57144150A (en) | 1981-02-28 | 1981-02-28 | Seat device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2767481A JPS57144150A (en) | 1981-02-28 | 1981-02-28 | Seat device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60239113A Division JPS61105252A (en) | 1985-10-25 | 1985-10-25 | seat equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57144150A JPS57144150A (en) | 1982-09-06 |
| JPH0124654B2 true JPH0124654B2 (en) | 1989-05-12 |
Family
ID=12227493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2767481A Granted JPS57144150A (en) | 1981-02-28 | 1981-02-28 | Seat device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57144150A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61105252A (en) * | 1985-10-25 | 1986-05-23 | Koito Ind Co Ltd | seat equipment |
| US5676421A (en) * | 1996-06-20 | 1997-10-14 | Lear Corporation | Vehicle seat energy absorbing mechanism |
-
1981
- 1981-02-28 JP JP2767481A patent/JPS57144150A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57144150A (en) | 1982-09-06 |
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