Hosohinnagaresochinishosareruroorakumitatetaioyobisoreokeiseisuruhoho

摘要

A roller assembly having longitudinal ribs which snap fit into shelf members of a support frame. In one embodiment the shelf members have upright T- shaped end members with lateral extending feet that engage the ribs. In another embodiment the shelf members have longitudinal feet that engage the ribs. Preferably, the edge forming the underside of the roller assembly are supported by base portions of the shelf member.