专利名称：Castor assembly发明人：Hendrikus J. M. Timmer申请号：US05/814349申请日：19770711公开号：US04213225A公开日：19800722
摘要：A castor assembly comprising a swivelling fork and a an upper fixing platehaving, respectively, an integrally formed inner and outer bearing race, and a plastic coverproviding lock-nuts for mounting and an aperture for channeling lubricant to the bearing.
申请人：SKF IND TRADING & DEVELOPMENT CO B V
代理人：Eugene E. Renz, Jr.
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