Performance of Energy Management Features of Child Restraint System LATCH Hardware

Manary, Miriam A.; Klinich, Kathleen DeSantis; Orton, Nichole R.; University of Michigan. Transportation Research Institute

doi:10.21949/1530218

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Performance of Energy Management Features of Child Restraint System LATCH Hardware

2021-05-01
By Manary, Miriam A. ; Klinich, Kathleen DeSantis ; Orton, Nichole R.

[PDF-896.54 KB]

English

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Creators:

Manary, Miriam A. ; Klinich, Kathleen DeSantis ; Orton, Nichole R.

Manary, Miriam A. ; Klinich, Kathleen DeSantis ; Orton, Nichole R. Less -
Corporate Creators:

University of Michigan. Transportation Research Institute
Corporate Contributors:

United States. Department of Transportation. National Highway Traffic Safety Administration. Office of Vehicle Safety Research
Subject/TRT Terms:

[+]

Child Restraint Systems Crash Tests Dynamic Tests Energy Absorption LATCH Ratings Seat Belt Use Vehicle Safety
Publication/ Report Number:

DOT HS 813 077
DOI:

https://doi.org/10.21949/1530218
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

October 2012 – May 2015
Corporate Publisher:

United States. Department of Transportation. National Highway Traffic Safety Administration
Abstract:

This small-scale study used sled testing to explore the effects of two commercially available CRS (child restraint system) LATCH (Lower Anchors and Tethers for Children) energy management features on the loads delivered to the vehicle LATCH hardware and the resulting anthropomorphic test device (ATD) accelerations and excursions. Paired sled tests were conducted with/without the Diono SuperLATCH connectors and with/without Britax RipStitch tethers. The sled tests used the weighted Hybrid III 6-year-old ATD and a modified version of the FMVSS 213 bench. In high-severity frontal crash tests, the SuperLATCH reduced the ATD head injury criterion (HIC) but had no effect on lower anchor loads, chest accelerations, and ATD head/knee excursions. The Britax RipStitch tether reduced tether webbing loads but increased lower anchor loads and did not reduce any ATD acceleration or excursion measures. This data suggests these features do not offer the expected safety benefits under the conditions tested.
Format:

PDF
Collection(s):

NHTSA - Vehicle Safety Research
Main Document Checksum:

[+]

urn:sha256:8bac167e53f61be36b6f46f5ef9a38e0bee7cdaefae3028c8d44b28bde06fce5
Download URL:

https://rosap.ntl.bts.gov/view/dot/55931/dot_55931_DS1.pdf
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Performance of Energy Management Features of Child Restraint System LATCH Hardware

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