End seal for idler roller

Details End seal for idler roller End seal for idler roller

B - Operations, Transporting

65

G

193/11, 26/158,

B65G 39/00 (2006.01) F16C 33/48 (2006.01)

Patent

CA 1307477

ABSTRACT OF THE DISCLOSURE A multi-roller conveyor includes a plurality of idler rollers journaled for rotation around individual, stationary shafts. Each roller includes, at each of its ends, a metal end plate and an end bearing, received in the end plate, for rotatably supporting the roller relative to the shaft. To protect against the entry of contaminants, an end seal assembly, including an inner seal member mounted to the roller, and an outer seal member, mounted to the stationary shaft, is provided at each end of the roller. The inner and outer seal members are formed of molded plastic and co-operate with each other, and with the roller end plate, to form a labyrinth-like passageway leading from the end bearing to the exterior of the roller. The outer seal further includes a metallic nut for facilitating mounting to the stationary shaft. In addition, the dimensions of the roller end plate adjacent the outer seal member are carefully controlled to reduce the clearance between the outer seal member and the end plate and thereby further guard against the entry of contaminants.

586647

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