1、Designation: F1625 00 (Reapproved 2018) An American National StandardStandard Specification and Test Method forRear-Mounted Bicycle Child Carriers1This standard is issued under the fixed designation F1625; the number immediately following the designation indicates the year oforiginal adoption or, in
2、 the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers child carriers that mount to therear of bicycles in order
3、 to transport children or accessory loadswith a maximum weight of 18 kg (40 lb). This specificationdoes not apply to child carriers that mount in front of thehandlebars, or to the top tube, head tube, or behind thehandlebars in front of the rider.NOTE 1In the instructions, the manufacturer must warn
4、 the rider thata load added to the bicycle will lessen the stability and alter the ridingcharacteristics of the bicycle. This complication is particularly importantwhen riding with children who are near the high end of the weight range.1.2 The following safety hazards caveat pertains only to thetest
5、 method portions, Sections 5, 6, and 7, of this specification:This standard does not purport to address all of the safetyconcerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety,health, and environmental practices and determine t
6、he appli-cability of regulatory limitations prior to use.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations is
7、sued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2B117 Practice for Operating Salt Spray (Fog) Apparatus2.2 ISO Standards:ISO/TC149/SC1 N368, Luggage Carriers for Bicycles3ISO/TC149/SC1 N369, Child Seats for Bicycles, Concepts,
8、Safety Requirements and Testing32.3 Government Standards:Title 16, Code of Federal Regulations, Part 1500.44, Flam-mability4Title 16, Code of Federal Regulations, Part 1500.48, SharpPoints4Title 16, Code of Federal Regulations, Part 1500.49, SharpEdges416 CFR 1501, Small Parts416 CFR 1303, Lead in C
9、oatings43. Terminology3.1 Definitions:3.1.1 bicycle child carriera seating device, the shape ofwhich is adapted to the seated position of a child and mountsto the rear of the bicycle, which keeps the child in acomfortable position during the ride.4. Requirements4.1 GeneralChild carriers shall be des
10、igned and manufac-tured in such a way that components with which the child orrider come into contact do not cause injuries during normaluse, or when used in accordance with the manufacturersinstructions. Surfaces must be free from burrs, sharp edges, andpoints; if such are present they must be cover
11、ed by protectivecoverings. No openings with which the childs hands can comein contact shall have dimensions larger than 6 mm (0.236 in.)but also smaller than 13 mm (0.512 in.), that is, holes withdimensions between 0.236 and 0.512 in. (6 and 13 mm) areforbidden. Child carriers must be equipped with
12、a rear reflector.The manufacturer must warn the rider that a load added to thebicycle will lessen the stability and alter the riding character-istics of the bicycle.4.2 Structure:4.2.1 AssemblyWhen assembled in accordance with theinstructions provided by the manufacturer, the seat componentsmust be
13、firmly joined and fixed.4.2.2 EquipmentChild carriers shall be equipped with thefollowing equipment:4.2.2.1 Footrests,4.2.2.2 Backrest,1This specification is under the jurisdiction of ASTM Committee F08 on SportsEquipment, Playing Surfaces, and Facilities and is the direct responsibility ofSubcommit
14、tee F08.10 on Bicycles.Current edition approved April 1, 2018. Published May 2018. Originallyapproved in 1995. Last previous edition approved in 2012 as F1625 00 (2012).DOI: 10.1520/F1625-00R18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at s
15、erviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.4Available from U.S. Government Printing
16、 Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with int
17、ernationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.14.2.2.3 Armrests (that may be extensions of th
18、e sides of theseat surface),4.2.2.4 Protective devices that prevent contact of hands andfeet with moving or movable components of the bicycle whichcould cause injury, and4.2.2.5 Belt or other capturing devices designed to restrainthe child from standing in or leaving the carrier. Buckles, ifused, mu
19、st be difficult for the child passenger to open.4.2.3 AttachmentThe attachment process for connectingthe seat portion of the carrier either to dedicated mountinghardware or to a luggage carrier, and attachment of themounting hardware or the luggage carrier to the bicycle frame,shall be of a simple a
20、nd secure procedure. If tools are requiredfor mounting, mounting must be accomplished with commonhousehold tools, and must offer no reasonable opportunity ofincorrect mounting.4.2.4 Test CriteriaAfter testing in accordance with Sec-tions 5 and 6 of this specification the child carrier shall showno v
21、isible signs of fracture, nor any deformation or displace-ment that would impair the function of the child carrier or thebicycle, as defined by the allowable amounts set forth inSections 5 and 6.4.3 Security of Seat Assembled to Bicycle:4.3.1 If the means of attachment of the carrier to the bicyclei
22、s within easy reach of the child, and also is of a type that thechild may be able to loosen, then there shall be a secondarydevice to restrict movement of the carrier, either by providingan additional and independent attachment or by ensuring thatloosening the primary attachment will not fully relea
23、se theconnection.4.3.2 Child carriers that do not attach directly to the bicycleseat tube, such as rack-mounting models, shall have anadditional attachment device connecting the seat portion eitherto a frame tube or to the saddle pillar, with sufficient strengthto limit rearward movement of the seat
24、.4.4 Dimensions:4.4.1 Dimensions of the interior of the carrier seating areashall be adequate for the seated child at the upper range of theweight limitation.4.4.2 The backrest must have a minimum height of 350 mm(13.8 in.).4.4.3 The armrests must be high enough to keep the childstable in lateral di
25、rections.4.5 Materials:4.5.1 Plastics or other synthetic materials, if used, shall bestabilized against ultraviolet radiation and resistant to ozone.4.5.2 The carrier shall be protected against corrosion andtested in accordance with salt spray test defined in PracticeB117, for a period of 96 h. Test
26、ed components shall show novisible evidence of corrosion or deterioration which couldjeopardize structural integrity of the entire assembly.The testedunit shall continue to operate in accordance with the manufac-turers written instructions.5. Environmental Temperature Tests5.1 GeneralPerform the tes
27、ts in this section on all carriersto determine whether there are any adverse affects on thestrength and function of the carrier under conditioned environ-ments.5.1.1 Conduct these environmental temperature tests priorto the dynamic load tests that follow.5.2 Resistance to High Temperatures:5.2.1 Sto
28、re the carrier for at least 4 h, but not more than 24h at a temperature of 50 6 3C (122 6 5F).5.2.2 Examine the carrier for damage or distortion thatcould affect the safety or function of the carrier.5.2.3 Damage or distortion that could affect the safety orfunction of the carrier constitutes failur
29、e of the test.5.3 High-Temperature Drop Test:5.3.1 Store the carrier for at least 4 h, but not more than 24h, at a temperature of 50 6 3C (122 6 5F).5.3.2 Remove the carrier from the hot environment andmount it on the test fixture depicted in Fig. 1 that holds thelowest point of the underside of the
30、 seating area of the carriershell at a height of 1.00 6 0.01 m (39.37 6 0.39 in.) above aconcrete floor. The bottom of the fixture has a pivoting devicethat allows the fixture to rotate until it contacts the floor. Themass of the drop arm of the fixture is 11 + 0.5 0 kgNOTE 1Figures are intended onl
31、y to indicate one possible configura-tion for test fixtures and are not intended to be adequate for fabrication.FIG. 1 Child Carrier Drop Test FixtureF1625 00 (2018)2(24 + 1.0 0 lb). Within 1 min after removal from the condi-tioned environment, release the carrier under gravity from restto one side
32、or the other onto a flat concrete surface, as if thebicycle to which it was mounted fell over.5.3.3 Examine the carrier for damage or distortion thatcould affect the safety or function of the carrier.5.3.4 Damage or distortion that could affect the safety orfunction of the carrier constitutes failur
33、e of the test.5.4 Low-Temperature Resistance:5.4.1 Store the carrier for at least 4 h, but not more than 24h, at a temperature of 7 6 3C (20 6 5F).5.4.2 Examine the carrier for damage or distortion thatcould affect the safety or function of the carrier.5.4.3 Damage or distortion that could affect th
34、e safety orfunction of the carrier constitutes failure of the test.5.5 Low-Temperature Drop Test:5.5.1 Store the carrier for at least 4 h, but not more than 24h, at a temperature of 7 6 3C (20 6 5F).5.5.2 Remove the carrier from the cold environment andmount it on the test fixture depicted in Fig. 1
35、 that holds thelowest point of the underside of the seating area of the carriershell at a height of 1.00 6 0.01 m (39.37 6 0.39 in.) above aconcrete floor. The bottom of the fixture has a pivoting devicethat allows the fixture to rotate until it contacts the floor. Themass of the drop arm is 11 + 0.
36、5 0 kg (24 + 1.0 0 lb).Within 1 min after removal from the conditioned environment,release the carrier under gravity from rest to one side or theother onto a flat concrete surface, as if the bicycle to which itwas mounted fell over.5.5.3 Examine the carrier for damage or distortion thatcould affect
37、the safety or function of the carrier.5.5.4 Damage or distortion that could affect the safety orfunction of the carrier constitutes failure of the test.6. Strength: Dynamic Load Tests6.1 PurposeThere are three reasons for the dynamic loadtests: (a) to determine whether fasteners become loosened byvi
38、bration; (b) to determine whether the carrier shifts in positionduring the tests; and (c) to determine whether damage or cracksoccur anywhere in the carrier or the mounting system as aresult of the tests.6.2 Vibration Test:6.2.1 General Test Method:6.2.1.1 Mount the carrier securely to the fixture d
39、epicted inFig. 2. The fixture is part of an apparatus that is capable ofproviding the motion described in 6.2.2 and 6.2.4.6.2.1.2 Load the carrier with a system that has a mass of18+10kg(40+20lb), such as sand bags. The center ofgravity of the added mass shall be no more than 152 mm (6.0in.) above t
40、he bottom surface of the seating area. Secure theload with the retention system provided with the carrier. Markthe position of the carrier on the fixture, and the positions of theclosures on all straps.6.2.2 Vertical Vibration TestThe fixture depicted in Fig. 2is set up so that the total vertical mo
41、vement at the top of thevertical tube is 10 mm (0.39 in.), consisting of 5 mm up and 5mm down from the central position in non-sinusoidal motion.The “bump” is an instantaneous rise and instantaneous fallfrom a 1-in. (25-mm) wide cleat. An actual 19-in. (480-mm)road bicycle frame or a 16-in. (410-mm)
42、 mountain bicycleframe can be attached to the mounting structure indicated in thefigure. Adjust the motor so that the rate of complete verticalcycles is 7 Hz (420 cycles per minute). Continue the test for atotal of 42 000 complete vertical cycles.6.2.3 InspectionInspect the carrier for damage,deform
43、ation, and displacement. Displacement at any attach-ment point where the carrier is attached to the bicycle shall notexceed 10 mm (0.394 in.), and no cracking or splitting of anycarrier components shall have occurred.6.2.4 Lateral Vibration TestIn this test, tilt the carrier withthe18+10-kg (40+20-l
44、b) load sinusoidally from side toside, simulating a bicyclist riding up a steep hill that requiresthe rider to stand and pedal vigorously.The fixture has a systemthat tilts it alternately, in sinusoidal fashion, from center to 8on either side of center, at a frequency of 0.5 Hz (30cycles/min). The f
45、ixture is of such size that the lowest level ofthe carrier seat is 800 mm (31.5 in.) above the rotational axis.Tilt the system through 50 000 complete cycles.6.2.5 InspectionInspect the carrier for damage,deformation, and displacement. Displacement at any attach-ment point where the carrier is attac
46、hed to the bicycle shall notexceed 10 mm (0.394 in.). No cracking or splitting of anycarrier components shall have occurred.NOTE 1Figures are intended only to indicate one possible configura-tion for test fixtures and are not intended to be adequate for fabrication.FIG. 2 Child Carrier Vibration and
47、 Lateral Sway Test FixtureF1625 00 (2018)37. Additional Test Criteria7.1 FlammabilityAll components of the carrier shall meetthe flammability requirements defined in Title 16, Code ofFederal Regulations, Part 1500.44.7.2 Sharp PointsAll components of the carrier shall meetthe requirements of Title 1
48、6, Code of Federal Regulations, Part1500.48, regarding sharp points that could cause puncture orlaceration injuries.7.3 Sharp EdgesAll components of the carrier shall sat-isfy the requirements of Title 16, Code of Federal Regulations,Part 1500.49, regarding sharp edges that could cause lacerationor
49、avulsion injuries.7.4 Ambient Drop Test:7.4.1 Place the carrier in ambient conditions for a period ofat least 4 h.7.4.2 Mount the carrier on the test fixture depicted in Fig. 1that holds the lowest point of the underside of the seating areaof the carrier shell at a height of 1.00 6 0.01 m (39.376 0.39in.) above a concrete floor. The bottom of the fixture has apivoting device that allows the fixture to rotate until it contactsthe floor. The mass of the drop arm of the fixture is 11 + 0.5 0kg (24 + 1.0 0 lb). Release the carrier unde
