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如题. 7 r2 r* ? F* M- y7 d
如图是据ASTM F963因绳长>12 inches(300mm)而被召回的拖拉玩具.
\, H* L, D" l" x"4.14.2 拖拉玩具－－供 36 个月以下儿童使用拖拉玩具上长度超过 12in.（300mm）的绳和橡皮筋，不能有可能使绳子或橡筋缠绕成环状的珠子或其它附件"这句话什么意思;
' u( S4 n, j& _4 K另外关于自回缩拖拉绳是怎样测试的? 谢谢!
* `) z* c' V- T1 l8 q$ I- D/ @' H
& N) S9 |' l9 l1 X) {
附:
. y) y4 c) ?7 S# v+ b( s4.14 Cords, Straps, and Elastics—These requirements are% W3 o* c* Y: J
intended to minimize the potential entanglement and strangu-
& N% t2 g. H4 e5 \. C0 j( Elation hazards that might be caused by accessible cords, straps," ]( A2 z2 {; V. a. M% j5 R1 z
and elastics. These requirements are applicable before and after! Z4 s) n3 Y3 ^) L- M" u D+ M
use and abuse testing in accordance with 8.5-8.10.
+ f- f& {9 D1 r4 o* Q4.14.1 Cords, Straps, and Elastics in Toys—Cords or elas-+ h, V' p5 z6 \! a6 D
tics included with or attached to toys intended for children less
! p" r3 j+ h! Hthan 18 months of age (excluding pull toys, see 4.14.3) shall be# ]2 t8 U! N7 u3 d8 f: L: \
less than 12 in. (300 mm) long when measured to the
! u2 ?% G% `2 T( T$ emaximum length in a free state and under a load of 5 lb (2.25 z7 N2 u/ n. X7 H+ w
kg). If cords/straps/elastics or multiple cords/straps/elastics can
% H6 Z9 {9 B( d3 E3 H% atangle or form a loop in connection with any part of the toy,! o8 L9 }( R' [
including beads or other attachments on the ends of cords/
- w( b( z" l. _) Y/ t, w: {# Mstraps/elastics, the loop shall not permit the passage of the head
+ M2 n1 M$ x! Z) e3 rprobe (Fig. 10) when tested in accordance with 8.22. Specifi- T( q6 {" ?" V1 N8 Z& J) D8 I
cally, the loop shall not allow the head probe to be inserted so+ ], s9 [3 W* B. E) l
deep that it admits the base of the probe. The configuration of
$ x4 }2 f1 p6 o+ p4 h0 d8 [+ s bthe loop shall be determined by using all components that make
1 w3 G; [: w; d# w/ Iup the loop. For example, the configuration of the loop for the8 c8 m( S! [* d; H2 R& e
product illustrated in Fig. 11 is comprised of Cord 1, Cord 2,* E# ?( F [, }6 ?" I; `
and the toy part.0 K% m" q6 t: J, `5 {
4.14.1.1 Cords, Straps, and Elastics Containing a Break-- B# l0 `0 n: @7 C3 T7 }
away Feature—Cords, straps, and elastics on toys that have
) M' f1 y2 T$ Z. n" qloops that admit the base of the head probe shall contain a, Y- u3 X2 M8 R, R, D+ `
functional breakaway feature that prevents entanglement by
3 G* ]5 B$ b7 E) o/ l7 Areleasing at a force less than 5.0 lbf (22.2 N) when tested in
6 O( c4 \) w$ b% ^, Gaccordance with 8.22.3. The free length of the individual1 \3 D b5 N* w" c$ x
released cord, strap, or elastic should not exceed a maximum$ j" }# i3 l4 F6 V# `; ]7 \
length of 12 in. (300 mm). The breakaway feature shall be8 A1 t% X. H" A
capable of being reattached without altering the characteristics. P& T+ ~8 D9 T5 Z7 |+ }
of the attachment.# f/ X' `- b3 }3 p; M& `# D
4.14.2 Self Retracting Pull Cords—Accessible cords used in7 d- L! d) c o3 A4 r3 x
cord-activated mechanisms in toys intended for use by children
' @9 B" i, k J# S( o7 xunder 18 months of age, except monofilament-type cords 1⁄16
* O/ I' j' R+ X5 T2 O) s5 [in. (2 mm) or less in diameter, shall not retract more than 1⁄4 in.1 a& M! U' P5 d' j7 ~# J" }: k
(6 mm) when a weight of 2 lb (0.9 kg) is attached to the fully' f4 z9 ~7 \7 y2 K5 Z
extended cord with the cord held vertical and the toy held% X2 O& S7 @/ H' f! O- j
firmly in the most favorable position for retraction. Monofila-1 j2 t) F: a3 T, M9 P7 f" W
ment cords, 1⁄16 in. (2 mm) or less in diameter, shall not retract4 `: S2 M: ^6 }1 I, ^. v4 c
under a load of 1 lb (0.45 kg) when tested in the manner
2 w& W) ]. x& T7 ~; j. S4 Tdescribed above. g1 `3 A3 b1 i$ L
4.14.3 Pull Toys—Cords, straps, and elastics greater than 12
8 g! M+ B9 l0 [; ^# @8 K1 E0 Iin. (300 mm) long for pull toys intended for children under 36
. P; N3 O9 J: }* K, A: m$ Rmonths of age shall not be provided with beads or other! n3 `& o3 i3 j- B) [/ x
attachments that could tangle to form a loop.$ z, s Z* y2 f+ s
7 \1 g) B) h" R' A' H8 F
4.14 绳和橡皮筋－－本要求的目的在于减少可能由可触及的绳和橡皮筋引起的缠绕和勒伤危- P: u( H' E$ O5 `9 Q. S" h( ?& o
险。本要求适用于按 8.5 至 8.10 的使用和滥用试验的前后。
: Q8 j* }' s5 f+ V) o7 e3 M4.14.1 玩具上的绳和橡皮筋－－供 18 个月以下儿童使用的玩具（不包括拖拉玩具，见 4.14.2）
/ [. x; w5 U% J上含有或系有的绳和橡皮筋，在松弛状态和承受 5lb（2.25kg）的重荷时测量，其最大长度必须小
% F' ]( i" G [( J7 U& F于 12in.（300mm）。如果绳/橡皮筋或多段绳/橡皮筋与玩具的任何部位连接而缠结或/和形成环状时，包括绳/橡皮筋末端的珠子或其它附着件，在按条款 8.23 测试时，不应让头部探棒（图 10）通过。特别地，绳圈不应让头部探棒插入深至探棒的底部。绳圈的构造应由组成绳圈的所有部件来决定。例如，图 11 中所示产品的绳圈的构造是由绳 1、绳 2 和玩具部分组成的。" K1 V3 E: P! S/ s w4 p
4.14.1.1 自回缩拖拉绳－－对于供 18 个月以下儿童使用玩具上绳索牵引机构的可触及绳索，3 z. i4 N/ T$ i, \! f# k5 V9 y' d
除直径为或小于 1/16in.（2mm）的弹纤维绳外，在将玩具固定于最易回缩的位置并将绳索拉到最大" k6 |4 X" _8 z) R4 {- z# J
位置同时保持垂直时，在绳上施加 2 lb（0.9kg）的重荷，其回缩距离不得超过 1/4 in.（6mm）。6 X7 {) j& v [1 b3 ^' k$ Y& b
直径为 1/16 in.（2mm）或以下的单纤维绳在按上述方法测试，在承受 1 lb（0.45kg）的重荷时不) Z8 O: _4 P7 w
应加缩。5 R: [5 X6 D+ }6 d5 ]4 i/ P
4.14.2 拖拉玩具－－供 36 个月以下儿童使用拖拉玩具上长度超过 12in.（300mm）的绳和橡皮3 z% B: U9 ]* w2 k7 t
筋，不能有可能使绳子或橡筋缠绕成环状的珠子或其它附件。 |
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