ASTM F2128-01

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation:F2128–01
Standard Test Method for
Treestand Repetitive Loading Capability
This standard is issued under the fixed designation F 2128; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Summary of Test Method
1.1 This test method covers the procedures for determining 3.1 A treestand is mounted so that its platform is perpen-
the capability of climbing treestands to withstand repeated dicular to a rigid wood or metal pole when the rate load
loading relative to the manufacturer’s rated capacity. capacity is applied parallel to the mounting pole. The load is
1.2 The values stated are in inch-pound units and are to be applied vertically and is guided so that it is applied at the
regarded as standard. locations applied when ascending or descending a tree on the
1.3 This standard does not purport to address all of the treestand. The test subject is noted after a certain number of
safety concerns, if any, associated with its use. It is the loading cycles, by means of a thorough visual inspection, to
responsibility of the user of this standard to establish appro- determine if any structural damage such as yielding and/or
priate safety and health practices and determine the applica- cracking has occurred.
bility of regulatory limitations prior to use. 3.2 Standup-sit down two-piece climbers—both seat and
foot sections may be tested at the same time.
2. Terminology
4. Significance and Use
2.1 The terminology and definitions in the referenced docu-
ments are applicable to this practice. 4.1 This test method is intended for quality assurance and
2.2 Definitions: production control purposes with recognition that individual
2.2.1 backbar or V-bar—the adjustable component of a usage will vary considerably. This test method is not intended
climbing treestand or handclimber that engages the tree to to be an independent material or product-acceptance test.
provide support. The backbar may be rigid or flexible.
5. Apparatus
2.2.2 climbing treestand—a treestand that provides both the
means to ascend the tree, and allow the user to remain at a 5.1 Arigid, round wood or metal pole, preferably vertical, is
desired elevation. used to mount the subject product such that pole deflection is
minimized.
2.2.3 handclimber, or climbing aid—a device to assist
climbing with a climbing treestand. A structure that allows the 5.1.1 The mounting pole diameter shall be 10 in. (254 mm),
61 in. (25.4 mm).
user to support his weight when lifting a climbing treestand
with his legs. 5.2 The load shall be applied using either calibrated weights
or a mechanical device in conjunction with a calibrated load
2.2.4 non-climbing, fixed position or hang-on treestand—a
treestand that is secured to the tree at the elevation where it is cell.
5.2.1 The use of calibrated weights requires that weight
used. (The user usually ascends the tree by some means and
then lifts the treestand to the desired position and secures it for placement be accurate to assure that the load application
centroid is coincident with the boundaries defined and meets
use.)
2.2.5 platform—the horizontal structural area of a treestand the requirements as given in 5.3. Caution should be exercised
for operator protection with the use of weights in case of
on which the user stands and/or places his feet.
2.2.6 treestand—a device designed to be affixed to a tree or slippage or premature failure.
5.2.2 The use of a mechanical device such as a tensile
its branches so as to permit an individual to sit or stand thereon
for the purpose of attaining an elevated position from which to testing machine or hydraulic power, in combination with
pulleys, fulcrums or bearing to re-direct forces, requires the use
observe, photograph or hunt.
of a calibrated load cell attached adjacent to the test subject to
account for friction losses.
This test method is under the jurisdiction of ASTM Committee F08 on Sports
5.3 The application of the load shall be at a point on the
Equipment and Facilitiesand is the direct responsibility of Subcommittee F08.16on
platform area that is the geometric centroid of the test subjects
Archery Products.
load placement area while ascending or descending a tree.
Current edition approved June 10, 2001. Published August 2001.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F2128
5.3.1 The load shall be applied to the test subject over a 100 of load application and removal shall be no more than 30
2 2
in. (0.065 m ) area by either (A) controlled application of cycles/min,thatis,theloadisappliedandthenremovedwithin
calibrated weights or (B) as described in 5.2.2, to a flat no less than 2 s (to avoid heating).
rectangular steel plate 10 in. (254 mm) wide by 10 in. (254 6.6 The repetitive loading shall be 10 000 cycles. This
mm) long and a minimum of ⁄2 in. (12.7 mm) thick on top of testing based on usage as follows. A person using a stand 2
the test subject. The edges of the load plate adjacent to the test times a day, (10 cycles up, 10 cycles down each time) for 25
subject shall be deburred with 0.015/0.030 in. (0.381/0.762 days each year for 10 years.
mm) radius to reduce damage to the te
...