Definition of crossmember in US English:



  • A transverse structural piece that adds support to a motor-vehicle chassis or other construction.

    • ‘A bona fide truck needs a frame, so there is a ladder frame engineered consisting of two longitudinal rails joined by seven high-strength steel cross members, for a fully boxed frame.’
    • ‘I would put six legs with a frame on top of the legs, six inches in from the sides, with cross members at least 16 inches apart.’
    • ‘If weight continued to be an issue, it would be possible to substitute aluminum tube for steel at the cross members or in the main frame rails.’
    • ‘Underpinning the new look is a new chassis, a fully boxed design with seven cross members, an E-coat finish and hydroformed front rails.’
    • ‘To further stiffen the chassis, three cross members beneath the floor tunnel reduce flex due to steering input and provide a strong linear steering feel.’
    • ‘The frame is thicker, the axle tubes are thicker, and there are more gussets at cross members.’
    • ‘And combined with a passenger safety cell, surrounded by crumple zones, and structural cross members to absorb impact, it all helps to make the car a more enticing package.’
    • ‘Large longitudinal members tie into the side sills through large cross-section cross members.’
    • ‘The rear cross members were switched from aluminum alloy to high-strength low-alloy steel.’
    • ‘On either side of this member two cross members have been considered.’
    • ‘An aluminum differential cover, ribbed for extra strength, bolts to the rear cross member for added structural strength.’
    • ‘The special features of this 48-foot semi-trailer are the movable cross members making the unit suitable for hauling any type of load.’
    • ‘Large, thick, straight side members have an octagonal design with large cross section and this permits optimal strengthening of the cross member.’
    • ‘The boot is small and its usefulness is further compromised by the presence of a bracing cross member.’
    • ‘The base of this vehicle is a chassis that consists of full-length box-section frame rails with nine welded cross members.’
    • ‘Three of these knees are used to help support the cross member and keep it in situ.’
    • ‘Whilst it is your case that the bolts in the left hand side of the cross member simply dropped out, it is our case that the bolts were never in fact fitted.’
    • ‘Single stamped outer and inner side panels with multi-piece reinforcements and hefty, seat cross members add to the body's stiffness.’
    • ‘Since any metal covering would block the antenna's signal reception, holes must be blanked in the roof and structural cross members re-routed.’
    • ‘The chassis has additional braces between the cross members and the frame.’