Patent ID: 7350650
Filing Date: 2008-04-01
Classification: B66C

Abstract:
1. A bearing assembly for a crane, said crane having a kingpost and an upper works, said bearing assembly comprising: said kingpost having a hollow kingpost head attached integrally to the kingpost; a hollow conduit extending upwardly through said kingpost head; said head having a convex bearing surface; a bearing having a concave bearing wear surface; said upper works at least partially supported by said bearing; said bearing retained in a rigid bearing retainer; said bearing retainer connected to said upper works; said bearing retainer having a retainer can; said retainer can selectively removable; said kingpost head having an outer head circumference; said bearing comprising a first bearing segment and a second bearing segment; said first bearing segment extending around substantially one-half of said outer head circumference: and said second bearing segment extending around substantially one-half of said outer head circumference.