FMVSS 571.207 Standard No. 207; Seating Systems
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7D0228F804BE41E9ADE33D462736B231 |
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文件大小(MB)： |
0.04 |
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页数： |
4 |
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日期： |
2008-8-25 |
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文本摘录（文本识别可能有误，但文件阅览显示及打印正常，pdf文件可进行文字搜索定位）：
489,Nat’l Highway Traffic Safety Admin., DOT § 571.207,§ 571.207 Standard No. 207; Seating,systems.,S1. Purpose and scope. This standard,establishes requirements for seats,their attachment assemblies, and their,installation to minimize the possibility,of their failure by forces acting on,them as a result of vehicle impact.,S2. Application. This standard applies,to passenger cars, multipurpose passenger,vehicles, trucks and buses.,S3. Definitions. Occupant seat means a,seat that provides at least one designated,seating position.,Seat adjuster means the part of the,seat that provides forward and rearward,positioning of the seat bench and,back, and/or rotation around a vertical,axis, including any fixed portion, such,as a seat track. In the case of a seat,equipped with seat adjusters at different,levels, the term means the uppermost,seat adjuster.,S4. Requirements.,S4.1 Driver’s seat. Each vehicle shall,have an occupant seat for the driver.,S.4.2 General performance requirements.,When tested in accordance with,S5., each occupant seat, other than a,side-facing seat or a passenger seat on,a bus, shall withstand the following,forces, in newtons.,(a) In any position to which it can be,adjusted—20 times the mass of the seat,in kilograms multiplied by 9.8 applied,in a forward longitudinal direction;,(b) In any position to which it can be,adjusted—20 times the mass of the seat,in kilograms multiplied by 9.8 applied,in a rearward longitudinal direction;,(c) For a seat belt assembly attached,to the seat—the force specified in paragraph,(a), if it is a forward facing seat,or paragraph (b), if it is a rearward facing,seat, in each case applied simultaneously,with the forces imposed on the,seat by the seat belt assembly when it,is loaded in accordance with S4.2 of,§ 571.210; and,(d) In its rearmost position—a force,that produces a 373 newton meters moment,about the seating reference point,for each designated seating position,that the seat provides, applied to the,upper cross-member of the seat back or,the upper seat back, in a rearward longitudinal,direction for forward-facing,seats and in a forward longitudinal direction,for rearward-facing seats.,S4.2.1 Seat adjustment. Except for,vertical movement of nonlocking suspension,type occupant seats in trucks,or buses, each seat shall remain in its,adjusted position when tested in accordance,with the test procedures specified,in S5.,S4.3. Restraining device for hinged or,folding seats or seat backs. Except for a,passenger seat in a bus or a seat having,a back that is adjustable only for the,comfort of its occupants, a hinged or,folding occupant seat or occupant seat,back shall—,(a) Be equipped with a self-locking,device for restraining the hinged or,folding seat or seat back, and,(b) If there are any designated seating,positions or auxiliary seating accommodations,behind the seat, either,immediately to the rear or to the sides,be equipped with a control for releasing,that restraining device.,S4.3.1 Accessibility of release control.,If there is a designated seating position,immediately behind a seat equipped,with a restraining device, the control,for releasing the device shall be readily,accessible to the occupant of the seat,equipped with the device and, if access,to the control is required in order to,exit from the vehicle, to the occupant,of the designated seating position immediately,behind the seat.,S4.3.2 Performance of restraining device.,S4.3.2.1 Static force. (a) Once engaged,the restraining device for a forward-,facing seat shall not release or,fail when a forward longitudinal force,in newtons, equal to 20 times the mass,of the hinged or folding portion of the,seat in kilograms multiplied by 9.8 is,applied through the center of gravity,of that portion of the seat.,(b) Once engaged, the restraining device,for a rearward-facing seat shall,not release or fail when a rearward longitudinal,force, in newtons, equal to 8,times the mass of the hinged or folding,portion of the seat in kilograms multiplied,by 9.8 is applied through the center,of gravity of that portion of the,seat.,S4.3.2.2 Acceleration. Once engaged,the restraining device shall not release,or fail when the device is subjected to,VerDate jul<14>2003 09:13 Dec 08, 2003 Jkt 200207 PO 00000 Frm 00489 Fmt 8010 Sfmt 8010 Y:\SGML\200207T.XXX 200207T,490,§ 571.207 49 CFR Ch. V (10–1–03 Edition),an acceleration of 20 g., in the longitudinal,direction opposite to that in,which the seat folds.,S4.4 Labeling. Seats not designated,for occupancy while the vehicle is in,motion shall be conspicuously labeled,to that effect.,S5. Test procedures.,S5.1 Apply the forces specified in,S4.2(a) and S……
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