Patent ID: 7950268
Filing Date: 2011-05-31
Classification: G01M

Abstract:
1. A test fixture for rollover crash testing of a test vehicle onto a movable sled having a contact surface and carried by bearings on a guide said fixture comprising: a cradle to support and rotate a test vehicle; a suspension assembly attached to each end of the cradle for vertically supporting and dropping the cradle; a structure having a cross beam supported by a first telescoping column for support of a first of the suspension assemblies and translationally supported by a second telescoping column for support of a second of the suspension assemblies to position and releasably hold the suspension assembly; roll control arms for rotating the cradle; a trigger assembly for releasing the cradle and test vehicle from the structure responsive to a sensing means for contact within a drop impact zone on the contact surface of the sled; and a vertical brake assembly engaging the suspension assembly, said brake assembly actuated by a sensing element.