1、Designation: F 381 06An American National StandardStandard Safety Specification forComponents, Assembly, Use, and Labeling of ConsumerTrampolines1This standard is issued under the fixed designation F 381; 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 (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This safety specification covers the components, theassembly, and the use of consum
3、er trampolines.1.2 This specification is delimited in its application totrampolines of (1) a minimum bed size of 3300 in.2(21 300cm2), (2) a minimum height of 20 in. (51 cm), (3) intended forthe purpose of continuous, vertical jumping activities and (4)intended for consumer use.1.3 This specificatio
4、n is intended to reduce the demon-strated hazards associated with the use of trampolines byconsumers. Trampolines primarily used by consumers are inhome environments. This specification is not intended to applyto institutional trampolines. Trampolines that adhere to thisspecification are not recomme
5、nded for use by children undersix years of age.1.4 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.5 This standard does not purport to address all of thehazards associated with trampolines. The standards existencealon
6、e will not necessarily prevent injuries. Like other physicalactivities, trampoline use involves the risk of injury, particu-larly if the equipment is used improperly.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of t
7、he user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.7 This specification includes the following sections andselected subsections.Title Section NumberScope 1Referenced Documents 2Terminology 3Included
8、 Components 4Materials and Manufacture 5Environmental Conditioning 5.3UV Exposure 5.3Performance Requirements 6Drop Test 6.2Drop test weight and impactor shape. 6.2.5Drop test procedure. 6.2.6Padding Attachment System Strength 6.3Padding Attachment System Strength TestProcedure6.3.1Information Packe
9、t: 7Packet Marketing and Contents 7.1Assembly and Installation Instructions 7.2Care and Maintenance Instructions 7.3Warning Information 7.4Use Instructions 7.5Product Marking: 8Identification 8.1On-Trampoline Warnings 8.2Instruction Sign 8.3Packaging and Package Marking 9Access Devices: 10Trampoline
10、 Ladders 10.1Ladder Warning 10.2Keywords 11Appendix2. Referenced Documents2.1 ASTM Standards:2F 355 Test Method for Shock-Absorbing Properties of Play-ing Surface Systems and Materials2.2 ANSI Standard:3ANSI Z535.4 Product Safety Signs and Labels3. Terminology3.1 Definitions of Terms Specific to Thi
11、s Standard:3.1.1 access device, ndevice used for access to or egressfrom a trampoline bed including, but not limited to, trampolineladders.3.1.2 bed, nflexible surface which the user contacts in thecourse of bouncing on a trampoline.3.1.3 bouncing, naction considered as normal use of atrampoline con
12、sisting of continuous, vertical jumping whereineach landing is in near proximity to the previous landing.3.1.4 consumer trampoline, ntrampoline intended for usein a home environment.1This safety specification is under the jurisdiction of ASTM Committee F08 onSports Equipment and Facilities and is th
13、e direct responsibility of SubcommitteeF08.17 on Trampolines and Related Equipment.Current edition approved Nov. 1, 2006. Published December 2006. Originallyapproved in 1974. Last previous edition approved in 2005 as F 38105.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcon
14、tact ASTM Customer Service at serviceastm.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 10036.1Copyright ASTM International
15、, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.5 folding-type trampoline, ntrampoline whose framecan be folded when not in use. See portable.3.1.6 frame, nframework constructed of rigid supportivematerials from which the bed is suspended.3.1.7 frame padding
16、, nshock-attenuating protective de-vice(s) that attaches to the frame to cover the frame andsuspension system in the plane of the bed.3.1.8 institutional trampoline, ntrampoline intended foruse in a commercial or institutional facility.3.1.9 ladder, nsee trampoline ladder.3.1.10 legs, nthe framework
17、 constructed of rigid materi-als which support the frame above the ground or floor.3.1.11 mat, ncommon, though non-preferred term refer-ring to bed.3.1.12 portable, adjable to be easily moved withoutdisassembly, though usually requiring the assistance of devicessuch as roller stands. Folding-type tr
18、ampolines are oftenintended to be portable.3.1.13 roller stand, ndevice that is used to assist inrolling/moving a folding-type trampoline frame.3.1.14 suspension system, nbed-supporting system madeup of elastic devices that connect the bed to the frame, forexample, steel extension springs.3.1.15 tra
19、mpoline, nrebound device activated by verticaljumping, upon which gymnastics skills and exercises areperformed.3.1.16 trampoline ladder, nladder-like device specificallydesigned for use with a trampoline and designed to be easilyremovable.4. Included Components4.1 When a trampoline is offered for sa
20、le, it shall include thefollowing: (1) a frame, (2) a bed, (3) a suspension system, (4)frame padding (where the frame is in the plane of the bed), (5)an information packet, and (6) suitable markings.4.2 When a trampoline is offered for sale, a trampolineladder shall not be included as a component pa
21、rt or within thesame packaging.4.3 When a portable trampoline is offered for sale, it shallinclude all of the components in 4.1 plus appropriate rollerstands.4.3.1 For folding-type trampolines, the information in 7.5.1and 8.3.3 shall also include the following:4.3.1.1 Use two or more strong people t
22、o open and closefolding-type trampolines.5. Materials and Manufacture5.1 The suspension system shall be designed so as to protectthe performer from injury due to contact with the sharp ends ofthe trampoline springs.5.2 The frame padding, where required, shall be designed toremain securely attached t
23、o the frame when tested to therequirements of 6.2 and 6.3. All tests shall be conducted atambient temperatures (nominally 68 6 5F (20 6 3C).5.3 Materials used in any pad cover, frame padding, coverattachments, tie down(s), and pad seams normally exposed tosunlight shall be made from ultraviolet (UV)
24、 resistant materi-als.5.4 Except for necessary seams, the frame padding, whererequired, shall cover the entire top surface of the frame and bewide enough to completely cover the entire top surface of thesuspension system and frame when subjected to the testsspecified in 6.2.5.5 The frame padding sha
25、ll be of a color which contrastswith the color of the trampoline bed.5.6 Height of the bed from the ground or floor shall besufficient to prevent the bed from contacting the ground or floorwhile bouncing.5.7 The trampoline shall be designed such that no part of theframe or legs can be contacted by t
26、he bed while bouncing.5.8 All information, instructions, and warnings shall beprovided in English in addition to any other formats used, forexample, graphical, video, multilingual, etc.6. Performance Requirements6.1 Shock AttenuationWhere padding is required, theshock-attenuating material used in th
27、e frame padding, asmeasured to include the frame and a minimum of 2 in. from theinside edge of the frame, shall limit the severity index to lessthan 450, when the same thickness as used in the framepadding is tested in accordance with Test Method F 355 usinga 20-lb (9-kg), 20-in.2(129-cm2) round, fl
28、at head dropped froma distance of 2 ft (61 cm).6.1.1 Where padding is not required, the shock attenuatingproperties of any part of the trampoline edge shall limit theseverity index to less than 450, when tested on a fullyassembled trampoline in accordance with Test Method F 355using a 20-lb (9-kg),
29、20-in.2(129 cm2) round, flat headdropped from a distance of 2 ft (61 cm).6.2 Drop TestA drop test will be performed on the framepadding attached to a trampoline and assembled in accordancewith the manufacturers instructions. The drop test shall use theequipment and procedures described in 6.2.5 and
30、6.2.6.Asaresult of the test:6.2.1 The impactor shall not tear the cover or completelypenetrate the padding;6.2.2 Seams of the padding shall not separate;6.2.3 The pad attachments shall not separate from the pad orframe; and6.2.4 The padding shall continue to cover the frame,springs, and frame hardwa
31、re when the impactor is removedfrom the surface of the padding.6.2.5 Drop Test Weight and Impactor ShapeThe dropweight will consist of a 23-kg (50-lb) mass with a woodenimpacting surface. See Fig. 1. The edges of the impact surfaceare radiused and the heel and toe of the surface are contouredas show
32、n in Fig. 1.6.2.6 Drop Test ProcedureThe impactor shall be droppedin a guided free-fall to contact the surface of the padding. Thesurface of the impactor shall be flat and parallel (within 5) tothe surface of the padding on the initial contact with the pad.The impactor shall be dropped on the portio
33、n of the paddingcovering the springs. The impactor shall be centered to impactat a location midway between the inner edge of the frame railand the edge of the trampoline bed. The impactor shall beraised to a height of 12 in. (tolerance -0/+5 in.) (305 mm-0/+13 mm) above the surface of the padding. T
34、he impactorF381062shall be dropped at a minimum of two times near each of thefollowing locations, consistent with the required spacing cen-tered between the springs:6.2.6.1 Midway between attachment points,6.2.6.2 Adjacent to an attachment point, and6.2.6.3 At a pad seam.6.2.7 After the first impact
35、, the impactor shall be raised toits initial drop height. The results of the test with regard to padintegrity and coverage will be assessed. The padding shall notbe disturbed after removal of the impactor. The impactor isdropped a second time and the results recorded.6.3 Padding Attachment System Te
36、stsThe test describedin 6.3.1 is intended to measure the ability of the paddingattachment system to keep the frame pad in place whensubjected to typical forces imposed by users. The test in 6.3.1simulates a user climbing onto the trampoline by holding on tothe edge of the padding and climbing onto t
37、he bed of thetrampoline. The test is conducted on a fully assembled tram-poline with padding attached, according to the manufacturersinstructions.6.3.1 Padding Retention:6.3.1.1 Secure the fully assembled trampoline to the floor orbrace it to prevent movement of the trampoline as a result ofthe appl
38、ied forces.6.3.1.2 Place the trampoline pad pull fixture shown in Fig. 2with the fixture hooks facing down on the trampoline pad. Thefixture hook opening may be either of fixed thickness, adjust-able to the padding thickness, or V-shaped.6.3.1.3 Fixed thickness hooks shall be the thickness of thepad
39、ding 618 in. (63 mm). Adjustable fixture hooks shall beadjusted to the thickness of the pad. Adjustable hooks shall beadjusted to the thickness of the padding 618 in. (63 mm).V-shaped hooks shall not compress the padding thickness morethan18 in. (3 mm).6.3.1.4 Attach the fixture to the pad. Grasp th
40、e insidediameter edge of the frame pad as shown in Fig. 3.6.3.1.5 Using the outboard hook of the fixture, graduallyapply a horizontal force of 85 6 5 lbf (380 6 20 N) parallel tothe plane of the mat and radially outward from the center of thetrampoline. Apply the force at each of three locations sho
41、wn inFig. 3 such that: (1) a pad attachment tie down is centeredbetween the fixture arms, (2) the fixture is centered betweenFIG. 1 Drop-Test Impactor ShapeF381063adjacent pad attachment tie downs, and (3) a pad seam iscentered between the fixture arms6.3.1.6 Immediately release the force after it r
42、eaches 85 lbf(380 N). Repeat the force application two additional times atthe same location. After the third application of the force,release the force and remove the fixture without adjusting theposition of the pad.6.3.1.7 The padding attachment system passes this test ifafter removal of the force
43、and test fixture:(1) The padding continues to cover the trampolines frame,springs, and associated hardware,(2) The pad attachment is not broken or separated from thepad or frame, and(3) The pad cover (material or seams) is not torn.6.4 Drop Test for Trampoline Edge SurvivabilityWhere asystem other t
44、han frame padding is used for impact attenuation,a survivability drop test will be performed on the edge system.The trampoline shall be assembled in accordance with themanufacturers instructions. The drop test shall use the equip-ment and procedures described in 6.2 and 6.4.1. As a result ofthe test
45、 there shall be no evidence of permanent damage ordeformation to the edge system.6.4.1 Drop Test Procedure for Trampolines Where FramePadding Is Not RequiredThe impactor shall be dropped in aguided free-fall to contact the surface. The surface of theimpactor shall be flat and horizontal (within 5) o
46、n initialcontact with the surface. The impactor shall be dropped on anyportion of the edge system, such that the impactor footprintdoes not extend into space beyond the edge of the edge system.The impactor shall be raised to a height of 12 in. (tolerance60.5 in.) (305 mm (613 mm) above the surface.
47、Theimpactor shall be dropped a minimum of 2 times on eachchosen location. At least the following three locations shall betested:FIG. 2 Trampoline Pad Pull FixtureF3810646.4.1.1 Midway between the two suspension element attach-ment points, with the impactor long axis oriented perpendicularto the bed
48、edge;6.4.1.2 Centrally on a suspension element attachment point,with the impactor long axis oriented perpendicular to the bededge; and6.4.1.3 With the impactor edge aligned to any structuralstitch line.6.4.2 After the first impact, the impactor shall be raised toits initial drop height. The results
49、of the test with regard tosystem integrity will be assessed. The impactor guides shall notbe moved between impacts. The impactor shall be dropped asecond time and the results recorded.7. Information Packet7.1 Packet Marking and Contents:7.1.1 Each trampoline shall be accompanied by a separatepacket of materials, with the following notice:Assembly, Installation, Care, Maintenance, and Use Instruc-tions“WARNINGRead these materials prior to assembling and using thistrampoline7.1.1.1 This notice shall, without font or layout beingimplied, be well hi
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