FMVSS 571.209 Standard No. 209 Seat belt assemblies
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ID： |
8F49C1F42DB3425D94E3208089F63C50 |
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文件大小(MB)： |
0.22 |
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页数： |
28 |
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文件格式： |
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日期： |
2008-9-19 |
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购买： |
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）：
§ 571.209 Standard No. 209; Seat belt assemblies.,S1. Purpose and scope. This standard specifies requirements for seat belt assemblies.,S2. Application. This standard applies to seat belt assemblies for use in passenger cars, multipurpose passenger vehicles, trucks, and buses.,S3. Definitions. Adjustment hardware means any or all hardware designed for adjusting the size of a seat belt assembly to fit the user, including such hardware that may,be integral with a buckle, attachment hardware, or retractor.,Attachment hardware means any or all hardware designed for securing the webbing of a seat belt assembly to a motor vehicle.,Automatic-locking retractor means a retractor incorporating adjustment hardware by means of a positive self-locking mechanism which is capable when locked of,withstanding restraint forces.,Buckle means a quick release connector which fastens a person in a seat belt assembly.,Emergency-locking retractor means a retractor incorporating adjustment hardware by means of a locking mechanism that is activated by vehicle acceleration, webbing,movement relative to the vehicle, or other automatic action during an emergency and is capable when locked of withstanding restraint forces.,Hardware means any metal or rigid plastic part of a seat belt assembly.,Load-limiter means a seat belt assembly component or feature that controls tension on the seat belt to modulate the forces that are imparted to occupants restrained by,the belt assembly during a crash.,Nonlocking retractor means a retractor from which the webbing is extended to essentially its full length by a small external force, which provides no adjustment for,assembly length, and which may or may not be capable of sustaining restraint forces at maximum webbing extension.,Pelvic restraint means a seat belt assembly or portion thereof intended to restrain movement of the pelvis.,Retractor means a device for storing part or all of the webbing in a seat belt assembly.,Seat back retainer means the portion of some seat belt assemblies designed to restrict forward movement of a seat back.,Seat belt assembly means any strap, webbing, or similar device designed to secure a person in a motor vehicle in order to mitigate the results of any accident, including,all necessary buckles and other fasteners, and all hardware designed for installing such seat belt assembly in a motor vehicle.,Strap means a narrow nonwoven material used in a seat belt assembly in place of webbing.,Type 1 seat belt assembly is a lap belt for pelvic restraint.,Type 2 seat belt assembly is a combination of pelvic and upper torso restraints.,Type 2a shoulder belt is an upper torso restraint for use only in conjunction with a lap belt as a Type 2 seat belt assembly.,Upper torso restraint means a portion of a seat belt assembly intended to restrain movement of the chest and shoulder regions.,Webbing means a narrow fabric woven with continuous filling yarns and finished selvages.,S4. Requirements.,S4.1(a) Incorporation by reference. SAE Recommended Practice J211–1 rev. December 2003, “Instrumentation for Impact Test—Part 1—Electronic Instrumentation,” is,incorporated by reference in S5.2(j) and is hereby made part of this Standard. This incorporation by reference was approved by the Director of the Federal Register in,accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies of SAE Recommended Practice J211–1 rev. December 2003, “Instrumentation for Impact Test—Part,1—Electronic Instrumentation” may be obtained from the Society of Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096–0001. Copies may be,inspected at the National Highway Traffic Safety Administration, Technical Information Services, 400 Seventh Street, SW., Plaza Level, Room 403, Washington, DC,20590, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call (202) 741–6030, or go to:,http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.,(b) Single occupancy. A seat belt assembly shall be designed for use by one, and only one, person at any one time.,(c) Upper torso restraint. A Type 2 seat belt assembly shall provide upper torso restraint without shifting the pelvic restraint into the abdominal region. An upper torso,restraint shall be designed to minimize vertical forces on the shoulders and spine. Hardware for upper torso restraint shall be so designed and located in the seat belt,assembly that the possibility of injury to the occupant is minimized.,A Type 2a shoulder belt shall comply with applicable requirements for a Type 2 seat belt assembly in S4.1 to S4.4……
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