rolamite


rolamiteWhen rotated as indicated in the top illustration, the rollers and metal strip will move to the right.

ro·la·mite

R0287200 (rō′lə-mīt′)n. A mechanism consisting of two or more hard cylindrical rollers with a flexible nonstretching band looped around them, so that the rollers move against each other with very little friction.
[rol(l) + -amite, of unknown origin.]

rolamite

(ˈrəʊləˌmaɪt) n (Mechanical Engineering) engineering a frictionless bearing device using two rollers and a moving flexible band

rol•a•mite

(ˈroʊ ləˌmaɪt)
n. a nearly frictionless device used as a bearing, consisting of a flexible band looped around two or more rollers. [1967; rol(l) or rol(ler)1 + -amite, of undetermined orig.]