ASTM F473-09(2017)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F473 −09 (Reapproved 2017)
Standard Specification for
Binding Mounting Area Dimensions on Alpine Skis and
Bindings
ThisstandardisissuedunderthefixeddesignationF473;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.2 ISO Standard:
2 8364 Alpine Skis and Bindings—Binding Mounting Area—
1.1 This specification covers dimensions for binding
Requirements and Test Methods
mounting areas for alpine skis and mounting-related dimen-
sions on alpine ski bindings as part of an interface (“ski-
3. Terminology
binding-boot”) system, in order to optimize the compatibility
3.1 Definitions:
of the functional elements of the system. It contains data
3.1.1 binding mounting—all the connections between the
needed for the manufacture of alpine skis, and for manufac-
parts of the binding and the ski, especially those designed to
turers of alpine ski bindings, specifically with respect to the
transmit forces between binding and ski and that fulfill the
binding mounting area. This specification is applicable to
minimum strength requirements determined for the function of
alpine skis of the following chord lengths (see Terminology
the binding.
F472 for the definition of chord length, L ):
N
3.1.2 binding mounting area—that portion of the top surface
Group 1: L $ 1700 mm
N
Group 2: 1400 mm# L < 1700 mm
N of the ski that is intended for mounting bindings. The stan-
Group 3: 1000 mm# L < 1400 mm
N
dardized binding mounting area establishes the area on the ski
Group 4: 750 mm# L < 1000 mm
N
within which the entire diameter of binding screws should be
1.2 The values stated in SI units are to be regarded as
placed.
standard. No other units of measurement are included in this
standard.
4. Significance and Use
1.3 This international standard was developed in accor-
4.1 This specification defines the area wherein parts of the
dance with internationally recognized principles on standard-
bindingmaybemounted.Standarddimensionsandlocationfor
ization established in the Decision on Principles for the
a binding mounting area enable a ski designer to locate
Development of International Standards, Guides and Recom-
reinforcingelementswithinthisarea.Standarddimensionsalso
mendations issued by the World Trade Organization Technical
enable the binding designer to determine all interface dimen-
Barriers to Trade (TBT) Committee.
sions for binding unit size, screw locations, etc. Bindings and
skis built in compliance with this specification are compatible.
2. Referenced Documents
This specification does not apply to any bindings or skis
2.1 ASTM Standards:
manufactured prior to Jan. 1, 1979.
F472 Terminology for Geometry of Alpine Skis
5. Specifications of Binding Mounting Area
F944 Specification for Properties of Adult Alpine Ski Boots
(Withdrawn 2004)
5.1 Tolerances—Unless otherwise indicated, the tolerance
on all dimensions specified is 61 mm.
This specification is under the jurisdiction of ASTM Committee F27 on Snow
5.2 Indication of Mounting Point:
and Water Sports and is the direct responsibility of Subcommittee F27.30 on Skiing
5.2.1 The ski manufacturer shall be required to put a clearly
and Snowboarding Equipment.
visible mark at least on the left side or top surface, or both, of
Current edition approved Sept. 1, 2017. Published December 2017. Originally
approved in 1976. Last previous edition approved in 2009 as F473 – 09. DOI:
the ski, up to the left outer edge.This line corresponds with the
10.1520/F0473-09R17.
mark on the side surface of the boot sole, or when noted, to the
This specification is meant to conform in all significant aspects to the
boot sole toe location (see Specification F944).
specification for binding mounting area for alpine skis as set forth in ISO 8364.
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F473 − 09 (2017)
5.2.2 The location of the mark on the ski shall be deter- 5.6.1.2 Thereshallbenostepintheprofilewithinawidthof
mined by the ski manufacturer in accordance with established the following, symmetrical to the longitudinal axis.
test procedures and results.
Groups 1 and 2: 55 mm
Groups 3 and 4: 50 mm
5.3 Length of Binding Mounting Area (see Fig. 1)—The
Outside the bind
...