Patent ID: 11891821
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 11:
12. The mini-concrete trowel attachment assembly according to claim 11, wherein each one of the at least a pair of semi-circular free-wheeling bearing cover guide ring members having a pair of ends, each one of the pair of ends abuts against one another when the second upper and lower fastening clip members are received over and fastened to the first upper and lower fastening clip members forming a single annular free-wheeling bearing cover guide ring member, each one of the plurality of spaced apart non-rotating arm members has a self-lubricating bearing rail and spacer member disposed along an intermediate portion thereof, each one of the self-lubricating bearing rail and spacer members includes a bearing channel that receives a plurality of spaced apart self-lubricating ball bearings therein; and
the rear inner face surface of the single annular free-wheeling bearing cover guide ring member engages the plurality of spaced apart self-lubricating ball bearings when the single annular free-wheeling bearing cover guide ring member is secured to each of the first-upper and lower fastening clip members of the first member by the second upper and lower fastening clip members of the single annular free-wheeling bearing cover guide ring member to allow the single annular free-wheeling bearing cover guide ring member to rotate along each of the self-lubricating ball bearings in opposite directions during a surface finishing operation.