ASTM F2043-2000 Standard Classification for Bicycle Usage《自行车用法的标准分类》.pdf

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1、Designation: F 2043 00An American National StandardStandard Classification forBicycle Usage1This standard is issued under the fixed designation F 2043; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A nu

2、mber in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This classification covers bicycle usage conditions.2. Terminology2.1 Definitions:2.1.1 bicyclea two wheeled, single track, articulated

3、ve-hicle that is solely human powered.2.1.2 conditionsa generalized description of surface envi-ronments and speeds where a bicycle may be ridden.2.1.3 technicalriding environment requiring rapidchanges in speed, direction, and balance.3. Significance and Use3.1 This classification provides a unifor

4、m set of usagedefinitions within the bicycle industry.4. Basis of Classification4.1 Uses:4.1.1 Condition 1A set of conditions for operation of abicycle on a regular paved surface where the tires do not loseground contact.4.1.2 Condition 2A set of conditions for operation of abicycle which include Co

5、ndition 1 and includes smooth gravelroads and smooth improved trails with moderate grades. Thisset of conditions is not intended to include terrain that resultsin the tires losing ground contact.4.1.3 Condition 3A set of conditions for operation of abicycle that includes Condition 1 and Condition 2

6、as well asrough trails, rough unpaved roads, and rough technical areasand unimproved trails. In this set of conditions, contact withirregular terrain and momentary loss of tire contact with theground may occur.4.1.4 Condition 4A set of conditions for operation of abicycle which includes Condition 1,

7、 Condition 2, Condition 3,and downhill grades on rough trails at speeds in excess of 40km/h (25 mph).5. Keywords5.1 bicycle; classification; useASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of t

8、his standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five y

9、ears andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical comm

10、ittee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19

11、428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).1This classification is under the jur

12、isdiction of ASTM Committee F08 on SportsEquipment and Facilities and is the direct responsibility of Subcommittee F08.10 onBicycles.Current edition approved July 10, 2000. Published August 2000.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.