roll bar


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Related to roll bar: Anti roll bar

roll bar

[′rōl ‚bär]
(design engineering)
A metal bar installed overhead on a roofless automotive vehicle in order to protect the occupants if the car rolls over.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Diane Atherton and David Flood at the Cabaret Ball at Thornton Hall Mayor of Wirral Andrew Hodson with Andrew Thompson John and Penny Robinson at the Cabaret Ball at Thornton Hall Ben Dolman, Tony Reid, Kingsley Molby and Alex Yardley at the launch of Glassfire rock and roll bar Angie Wade-Smith, Helen Wade-Smith and Kirsty Doyle at the NWCRF pyjama party at the Radisson Kirsty Webster, Becky Timmins, Amy Morris and Faye Dempsey at the launch of Glassfire rock and roll bar in Hoylake Wirral Witches Mandy Molby and Jane Kirkham with Joe Hull, Gusto Heswall general manager
Flanking the centerline from the tips of the roll bar to the threshold are rows of red barettes that make up the side-row lighting mentioned in FAR 91.175.
Mounted on each centerline light bar outside of the roll bar, these sequenced flashing lights (SFL) create the illusion of a ball of light traveling towards the threshold twice per second.
"Roll bars are such a wonderful invention," says Eliot Coleman, an organic farmer who added a roll bar to his older, compact John Deere tractor.
The need for tractor roll bars is recognized worldwide.
Thirdly, the roll bar itself was factory and gave way being torn loose and bent up and forward of the passenger seat.
ARS replaces the conventional mechanical anti-roll bars with hydraulically-assisted roll bars. A lateral-acceleration sensor detects how hard the vehicle is cornering and sends the information to an ECU which processes the information and signals a valve-sensor block that determines how much hydraulic pressure to apply to the ends of the anti-roll bars.