Standard Specification for Protective Headgear Used in Electric Personal Assistive Mobility Devices

ABSTRACT
This specification covers performance requirements for protective headgear used in electric personal assistive mobility devices. Anvils shall be used for impact test of helmets. Impact velocities and peak acceleration shall be measured from the test. Helmet shall be impacted based on the prescribed impact site, position, orientation, and projection.
SCOPE
1.1 This specification covers performance requirements for helmets manufactured for users of electric personal assistive mobility devices.
1.2 All testing and requirements of this specification shall be in accordance with Test Methods F 1446, except where noted in this specification.
1.3 Partial utilization of this specification is prohibited. Any statement of compliance with this specification shall be a certification that the product meets all of the requirements of the specification in its entirety. A product that fails to meet any one of the requirements of this specification is considered to have failed the specification and should not be sold with any indication that it meets parts of the specification.

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Status
Historical
Publication Date
30-Apr-2006
Current Stage
Ref Project

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Technical specification
ASTM F2416-06e1 - Standard Specification for Protective Headgear Used in Electric Personal Assistive Mobility Devices
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
´1
Designation: F2416 – 06
Standard Specification for
Protective Headgear Used in Electric Personal Assistive
1
Mobility Devices
This standard is issued under the fixed designation F2416; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1
´ NOTE—Fig. 1 was editorially corrected in October 2006.
1. Scope* form shall be selected for the helmet to be tested as specified
in Test Methods F1446.
1.1 This specification covers performance requirements for
helmets manufactured for users of electric personal assistive
5. Anvils and Impact Velocities
mobility devices.
5.1 Anvils to be used for impact tests in this specification
1.2 All testing and requirements of this specification shall
are the flat, hemispherical, and curbstone anvils described in
beinaccordancewithTestMethodsF1446,exceptwherenoted
Test Methods F1446.
in this specification.
5.2 The helmet shall be dropped onto the flat anvil to
1.3 Partial utilization of this specification is prohibited.Any
achieve an impact velocity of 6.2 m/s.
statement of compliance with this specification shall be a
5.3 The helmet shall be dropped onto the hemispherical and
certification that the product meets all of the requirements of
curbstone anvils to achieve an impact velocity of 4.8 m/s.
the specification in its entirety.Aproduct that fails to meet any
5.4 The impact velocity shall be measured during the last 40
one of the requirements of this specification is considered to
mm of free-fall for each test and shall be within 63 % of the
have failed the specification and should not be sold with any
velocities specified in 5.2 and 5.3.
indication that it meets parts of the specification.
6. Marking the Test Line (Area of Required Coverage)
2. Referenced Documents
2
6.1 The test line is shown in Fig. 1 and shall be marked in
2.1 ASTM Standards:
accordance with Test Methods F1446.
F1446 Test Methods for Equipment and Procedures Used in
Evaluating the Performance Characteristics of Protective
7. Conditioning, Number of Samples, and Laboratory
Headgear
Environment
7.1 The test normally requires eight samples of each shell/
3. Terminology
liner combination.
3.1 Definitions of Terms Specific to This Standard:
7.2 Conditioning of the samples to be tested is described in
3.1.1 electric personal assistive mobility device,
Test Methods F1446.
n—electrically-driven wheeled device for personal mobility
with a speed limited to no more than 22.5 kph (14 mph).
8. Retention System Testing
4. Headforms 8.1 The ambient helmet shall be subjected to the positional
stability (roll-off) test in accordance with Test Methods F1446,
4.1 Headforms to be used in this specification are as
usinga4kg drop mass from a height of 0.6 m.
specified in Test Methods F1446. The appropriate size head-
8.2 The hot, cold, and wet helmets shall be subjected to the
dynamic strength retention test in accordance with Test Meth-
1
This specification is under the jurisdiction ofASTM Committee F08 on Sports
ods F1446, usinga4kg drop mass from a height of 0.6 m. The
Equipment and Facilities and is the direct responsibility of Subcommittee F08.53 on
retention system shall remain intact without elongating more
Headgear and Helmets.
than 30 mm.
Current edition approved May 1, 2006. Published May 2006. Originally
approved in 2004. Last previous edition approved in 2004 as F2416 – 04. DOI: 8.3 Retention system testing shall be completed prior to
10.1520/F2416-06E01.
impact testing.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
9. Impact Sites and Projections
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 9.1 Impact sites are described in Test Methods F1446.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
´1
F2416 – 06
NOTE—The center of impact can be anywhere on or above the test line.
FIG. 1 Marking the Test Line
Headform Dimension
Size
XL/2 Y R S T
A 24.0 88.0 89.7 47.5 7.0 142.0
E 26.0 94.5 96.0 49.0 8.0 151.0
J 27.5 101.0 102.5 50.5 8.0 160.0
M 29.0 106.0 107.0 52.0 8.0 166.0
O 30.0 108.5 110.0 53.0 9.0 170.0
9.2 Projections—Any unfaired projection extending more 11. PeakAcceleration Requirements
than 7 mm from the helmet’s outer surface shall break away or
11.1 The peak acceleration (g, max) of the impulse during
collapse when impacted with forces equivalent to thos
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