BELT CONVEYOR ROLLER Russian patent published in 1998 - IPC

FIELD: mechanical engineering; materials handling facilities. SUBSTANCE: belt conveyor roller has hollow cylindrical housing made integral with bearing bushings fitted on its ends. Each bushing accommodates bearing with guard washer and seal installed on axle, and lock. Each bearing bushing has ring groove on its inner surface. Elastic sealing has outer locking projection engaging with ring groove of bearing bushing and with inner sealing projections with working edges corresponding to sealing projections and alternating with cavities. At least one of working edges, end face one, engages with bearing inner race, and other edges, radial ones, engage with axle. Obtuse angle is formed between outer vertical sealing plane and outer plane of front inner sealing radial projection. Sealing proper is interference fitted on. EFFECT: enhanced operation, reliability and longevity, simplified design, reduced labour input in manufacture and repair and maintenance expenses. 2 dwg