rolamite


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

ro·la·mite

 (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.]
References in periodicals archive ?
Beryllium nickel is contained in the tensioner and band material in each Rolamite sensor, an electromechanical device which also utilizes beryllium copper contacts.