英和和英

別の表記

• rollbar, roll-bar

名詞

roll bar (複数形 roll bars)

1. A strong U-shaped bar fastened to the frame of a vehicle, such as an off-road vehicle or a race car to protect the driver and passengers from being crushed in the event that the vehicle rolls over.
   • 2002, Bobby Alvarez, Ghost Runner on Second‎^[1], page 163:

     Once the two left wheels departed the surface, Travis knew he was in for trouble. Since there wasn't a roll bar on the SUV, the roof was probably going to collapse on his head when it contacted the asphalt.

2. An anti-roll bar.
   • 2004, Jonathan Noble, Mark Hughes, Formula One Racing For Dummies‎^[2], page 65:

     The roll bar is a metal bar linking one side of the suspension to the other. It limits how much the car rolls during cornering.

語源

roll +‎ bar

名詞

rollbar (複数形 rollbars)

1. Alternative form of roll bar (“an anti-roll bar”)
   • 1999, KM Connair, MO Bodie, P Chaumette, A Catalan, Development of a common vehicle model for chassis control design, sae.org:

     For instance, the suspension structure consists of the total suspension force, the damper force, spring force, jounce bumper force, rollbar force and linear damping force for each corner of the vehicle.

   • 2013, Robert Foskett, Alfa Romeo 916 GTV and Spider: The Complete Story‎^[1]:

     A car that feels limp and soggy usually has a suspension defect that requires attention. Most problems stem from issues associated with the numerous bushes fitted to suspension arms and rollbar assemblies.

   • 2014, Michael Blundell, ‎Damian Harty, The Multibody Systems Approach to Vehicle Dynamics‎^[2], page 216:

     Such a system also allows the additional incorporation of rollbars and a steering system to investigate the cross coupling of left and right suspension systems through rollbar compliance

   • 2016, Darren Bane, The Furgle and the Frimp‎^[3]:

     Thanks to the remarkably springy rollbar suspension system of the Citroen 2CV, when Flash did hit the ground, it merely bounced up again.

2. Alternative form of roll bar (“U-shaped bar for vehicle safety”)
   • 2007 September 23, Jerry Garrett, “Making the World Safe for Velocity”, in New York Times‎^[4]:

     The Sir Vival also had a raised driver’s cabin with seat belts, a padded interior and built-in rollbars.