impact roll

impact roll

[′im‚pakt ‚rōl]
(mechanical engineering)
An idler roll protected by a covering of a resilient material from the shock of the loading of material onto a conveyor belt, so as to reduce the damage to the belt.
References in periodicals archive ?
The impact rolled the 1996 Range Rover onto the passenger side and sent driver David Alan Gonzalez, 40, of Springfield to Sacred Heart Medical Center in Eugene with serious injuries.