1、Designation: F2225 09bAn American National StandardStandard Safety Specification forConsumer Trampoline Enclosures1This standard is issued under the fixed designation F2225; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、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 safety specification covers the components, assem-bly, use, labeling, and performance requirements of consumer
3、trampoline enclosures (see Safety Specification F381).1.2 This specification is applicable to trampoline enclosuresto be sold as an accessory to or packaged with trampolines of(1) a minimum bed size of 3300 in.2(2.1 m2), (2) a minimumheight of 20 in. (510 mm), (3) intended for the purpose ofcontinuo
4、us, vertical jumping activities, and (4) intended forconsumer use.1.3 This specification includes the following sections andselected subsections:SectionScope 1Referenced Documents 2Terminology 3Components 4General Requirements 5Performance Requirements 6Performance Tests 6Information Packet 7Product
5、 Marking 8Packaging and Package Marking 91.4 This specification does not purport to address all of thehazards that may be associated with trampolines or trampolineenclosures, or both. The standards existence alone will notnecessarily prevent injuries. Like other physical activities,trampoline use in
6、volves the risk of injury, particularly if theequipment is used improperly. Similarly, the use of a trampo-line enclosure alone will not necessarily prevent all injuries.1.5 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversio
7、ns to SI units that are provided for information onlyand are not considered standard.1.6 The following precautionary caveat pertains only to thetest methods portion of this specification. This standard doesnot purport to address all of the safety concerns, if any,associated with its use. It is the r
8、esponsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:2D2240 Test Method for Rubber PropertyDurometerHardnessF381 Safety Specification for Component
9、s, Assembly, Use,and Labeling of Consumer TrampolinesF1077 Guide for Selection of Committee F16 FastenerSpecifications2.2 ANSI Standard:3Z535.4 Product Safety Signs and Labels2.3 Federal Standards:416 CFR 1500 Hazardous Substances Act Regulations16 CFR 1500.48 Technical Requirements for Determining
10、aSharp Point in Toys and Other Articles Intended for Useby Children Under 8 Years of Age16 CFR 1500.49 Technical Requirements for Determining aSharp Metal or Glass Edge in Toys and Other ArticlesIntended for Use by Children Under 8 Years of Age3. Terminology3.1 Definitions of Terms Specific to This
11、Standard:3.1.1 attachment system, nthe complete manner in whichcertain components are connected.3.1.2 barrier, nan enclosing device constructed of net-ting, fabric, or other material that is intended to prevent bothinadvertent and deliberate attempts to pass through the device.3.1.3 barrier height,
12、nthe distance from the bed surface atrest to the upper edge of the barrier measured at a support.3.1.4 barrier system, nan enclosing device that is in-tended to prevent both inadvertent and deliberate attempts to1This safety specification is under the jurisdiction of ASTM Committee F08 onSports Equi
13、pment and Facilities and is the direct responsibility of SubcommitteeF08.17 on Trampolines and Related Equipment.Current edition approved Nov. 1, 2009. Published December 2009. Originallyapproved in 2003. Last previous edition approved in 2009 as F2225 09a. DOI:10.1520/F2225-09B.2For referenced ASTM
14、 standards, visit the ASTM website, www.astm.org, orcontact 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
15、Floor, New York, NY 10036.4Available from Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA152507954.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.pass through the device forming the enclosure suspended fromor attached,
16、or both, to enclosure support (frame).3.1.5 enclosure, nequipment which reduces the risk of theuser falling off the trampoline.3.1.6 enclosure support (frame) attachment system, ntheframework constructed of supportive materials from which theenclosure barrier is suspended or attached, or both, and t
17、hemanner in which components are connected.3.1.7 upright pole caps, ncovering cap on exposed enclo-sure support (frame) pole ends to prevent cuts, abrasion orimpalement.4. Components4.1 A trampoline enclosure system when offered for saleshall include the following components:4.1.1 Enclosure support
18、system padding and upright polecaps,4.1.2 Enclosure support (frame) and attachment system,4.1.3 Enclosure barrier,4.1.4 Enclosure barrier attachment system,4.1.5 Information packet/user manual, and4.1.6 Suitable on-product and on-package warnings.5. General Requirements5.1 The barrier height shall h
19、ave the following minimums:5.1.1 For round trampolines with bed diameter at less than10 ft (2.5 m) 60 in. (1.5 m).5.1.2 For round trampolines with a bed diameter of 10 ft(2.5 m) (or more) 72 in. (1.8 m).5.1.3 For rectangular trampolinesone-half the length ofthe longest bed dimension, but not less th
20、an 60 in. (1.5 m)minimum barrier height.5.2 The enclosure support (frame) system and barrier ma-terials shall be of sufficient strength and rigidity to hold theenclosure barrier in place and withstand the loads outlined inPerformance Requirement Test #1.5.3 Support attachment system and hardware sha
21、ll be sub-ject to ready assembly by the original retail consumer and shallmeet the requirements set forth in 6.1 (Performance Require-ment Test #1).5.4 All fasteners shall be manufactured in accordance withSection 5.4.2 of Guide F1077. All fasteners, connecting, andcovering devices shall be inherent
22、ly corrosion resistant or beprovided with corrosion resistant coating.5.4.1 When installed in accordance with the manufacturersinstructions, fasteners, lock washers, self-locking nuts, or otherlocking means shall be provided for all nuts and bolts to protectthem from unintentional loosening. Hardwar
23、e in moving jointsshall also be secured against unintentional loosening.5.4.2 There shall be no accessible sharp points or edges onfasteners. A cut-off bolt end projecting beyond the face of thenut shall be free of burrs, sharp points, and sharp edges. Anaccessible bolt end shall not extend more tha
24、n two full threadsbeyond the face of a nut.5.5 Connecting devices such as but not limited to S-hooksand C-hooks shall be properly closed. These connectors areconsidered closed when there is no gap or space greater than0.04 in. (1 mm) when measured with a feeler gage.5.5.1 S-hook connectors are subje
25、ct to the following addi-tional requirements: (1) No portion of the closed end of anS-hook upper loop may project beyond the vertical boundaryestablished by the upper loop; (2) an S-hook upper loop mayalign with, may partially overlap, or may completely overlapthe connector body. If the upper loop c
26、ompletely overlaps theconnector body, it must not extend past the connector body, or(3) an S-hook lower loop must align with the connector bodyand not overlap in any way. (See Fig. 1.)FIG. 1 Requirements for Connecting DevicesF2225 09b25.6 The enclosure barrier shall be a durable weather resis-tant
27、fabric suitable for extended outdoor life.5.7 Support (frame) members exposed to contact duringforeseeable usage shall be padded. The top end of such support(frame) members shall be capped.5.8 The barrier attachment system shall include (1) upperattachment to upright supports (frame), and (2) lower
28、attach-ment to trampoline bed or trampoline frame top rails. Thebarrier attachment system shall be of sufficient strength anddurability to withstand tearing, deformation or failure as aresult of the loads outlined in 6.1 (Performance RequirementTest #1).5.9 Enclosure OpeningsThe enclosure barrier sh
29、all in-clude an opening allowing entry and exit of the user from thejumping surface. This opening, when closed according to themanufacturers instructions, shall be of sufficient strength anddurability to withstand, without tearing, deformation or failure,a direct impact of the loads at the point of
30、the opening and 8 in.to the left and to the right of the opening (outlined in 6.1,Performance Requirement Test #1) with no penetration of anyportion of the test load beyond the outer edges of the openingor any opening of the barrier itself. If the enclosure barrieropening is overlapped, the opening
31、point is considered themidsection of the overlap.6. Performance Requirements6.1 Barrier Impact and Enclosure Support Pole (Frame)Impact TestsPerformance Requirement Test #1 requires fourimpacts of the maximum specified user weight limit applied asa dynamic side load according to the following proced
32、ures.Two of the impacts are to be directed at a point on the barriermidway between the support poles (frame) at a height mid-distance between the top and bottom of the enclosure barrier.The other two impacts are to be applied against the enclosuresupport poles (frame) at a height mid-distance betwee
33、n the topand bottom of the enclosure barrier. The impacts against theenclosure barrier and barrier attachment system shall notproduce permanent deformation, tearing or breaking of anycomponent of the enclosure barrier and barrier attachmentsystem. The impacts against the enclosure support (frame)sha
34、ll not produce permanent deformation, tearing or breakingof any component of the enclosure support (frame) or thesupport (frame) attachment hardware. If the measured angle ofan enclosure pole is greater than 10 from its original measuredangle after the test, it shall be interpreted as a permanentdef
35、ormation.6.1.1 Procedure for Performance Requirement Test #1The load shall be of mass equal to the maximum specified userweight limit. It should be composed of a bag approximately 16in. (410 mm) in diameter by 36 in. (910 mm) tall, such as alarge duffel bag filled with loosely compacted material suc
36、h assand. Alternating small bags of sand and wood chips can beused to fill the bag. The center of gravity of the duffel bagshould be at the mid-point (approximately 18 in. (460 mm)from the bottom). The dynamic side load shall be applied in apendulum motion against the enclosure barrier at the specif
37、iedpoints (see 6.1).6.1.1.1 Secure one side of the trampoline so that thetrampoline cannot be moved or cannot slide along the surfaceon which the trampoline rests.6.1.1.2 Suspend the bag (load) on a chain so that thedistance to the top of the chain (pivot point) to the center ofmass of the bag corre
38、sponds to one of the lengths specified inTable 1.6.1.1.3 Position the bag (load) so that it hangs against theside of the enclosure barrier at a point midway between theenclosure support poles (frame) at a height mid-distancebetween the top and bottom of the enclosure barrier. The pivotpoint of the p
39、endulum created by the load and chain should bepositioned directly above the top of the enclosure barrier. Thecontact point of the bag (load) to the enclosure barrier shouldbe on the opposite side of the enclosure from the point thatsecures the trampoline from movement.(1) Measure and record the ang
40、le of the enclosure polenearest the intended barrier impact point, at the midpointbetween the top of the enclosure pole and the uppermost pointof connection to the trampoline frame with an angle finderdesigned for use on tubular/round surfaces. (If there are 2enclosure poles at the same distance fro
41、m the intended barrierimpact point, select one as the test subject). Two measurementsat this midpoint should be recorded. One measurement to betaken on the surface of the enclosure pole furthest from thecenter of the trampoline jump mat, and another measurement tobe taken 90 around the circumference
42、 of the enclosure polefrom the first measurement.6.1.1.4 Pull the bag (load) back until the load support chainis at an angle that corresponds with the selected chain lengthdistance in Table 1.6.1.1.5 Release the bag (load) into the enclosure barrier.(1) Re-measure the angles described in 6.1.1.3 (1)
43、 andrecord.6.1.1.6 Repeat the test in 6.1.1.16.1.1.5 (1).6.1.1.7 Repeat the set up in 6.1.1.1 and 6.1.1.2 in prepara-tion for impact tests against the enclosure support poles (frame)at a height mid-distance between the top and bottom of thesupport pole. Position the bag (load) so that it hangs again
44、st theenclosure support pole (frame) on the inside of the enclosure.The pivot point of the pendulum created by the load and chainshould be positioned directly above the top of the enclosuresupport pole (frame). The contact point of the bag (load) shouldbe on the opposite side of the enclosure from t
45、he secured pointestablished in 6.1.1.1.(1) Measure and record the angle of the enclosure pole tobe impacted at the midpoint between the top of the enclosurepole and the uppermost point of connection to the trampolineframe with an angle finder designed for use on tubular/roundTABLE 1 Length to Center
46、 of Mass and AnglePendulum Length toCenter of the Massof Bag (feet)Pendulum Length toCenter of the Massof Bag (metres)Pendulum AngleRelative toVertical (degrees)10 3.0 30.09 2.7 31.78 2.4 33.67 2.1 36.0F2225 09b3surfaces. Two measurements at this midpoint should be re-corded. One measurement to be t
47、aken on the surface of theenclosure pole furthest from the center of the trampoline jumpmat, and another measurement to be taken 90 around thecircumference of the enclosure pole from the first measure-ment.6.1.1.8 Pull the bag (load) back until the load support chainis at an angle that corresponds w
48、ith the selected chain lengthdistance in Table 1.6.1.1.9 Release the bag (load) into the enclosure supportpole (frame).(1) Re-measure the angles described in 6.1.1.7 (1) andrecord.6.1.1.10 Repeat the test in 6.1.1.66.1.1.9 (1).NOTE 1The results should meet or exceed the guidelines set forth inPerfor
49、mance Requirement Test #1.6.1.1.11 Repeat the set-up in 6.1.1.1 and 6.1.1.2 in prepa-ration for impact tests against the enclosure opening at a heightas close as possible to the mid-distance between the top andbottom of the opening. Position the bag (load) so that it hangsagainst the enclosure opening on the inside of the enclosure.The pivot point of the pendulum created by the load and chainshould be positioned directly above the top of the enclosureopening. The contact point of the bag (load) should be on theopposite side of the enclosure from the secur
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