Improvements bringest to the rollers for films cinematographic

摘要

P roller support for the films and the like, characterized in that it comprises an outer annular groove intended to receive a film, an annular tooth formed in the central part of the bottom of this groove, an elastic tire having a convex upper surface and which fits in the tooth, and two inclined planes are formed on the two remaining parts of the bottom of the groove, each of these inclined planes being in a rising slope from each upper annular edge of the said tooth towards each end of the external annular of the bottom of the groove, and each of said ends being greater than the top of the convex surface of said tire. / p