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

Claim 22:
23. An improved mini-concrete trowel attachment apparatus connected to a prime mover tool according to claim 22, wherein each of the at least a pair of separate and spaced apart non-rotating ring members, each of the plurality of spaced apart non-rotating arm members, each of the plurality of connector tabs, each of the plurality of screw members, each of the plurality of replacement blades, and the rotary stabilizer are made from plastics or metals, each of the bearing rail and spacer members, each of the at least a pair of separate and spaced apart non-rotating ring members, the first upper lower fastening clip members of each of the at least a pair of separate and spaced apart non-rotating ring members, the second upper and lower spaced apart fastening clip members of the unitary and annular free-wheeling bearing cover guide ring member, the unitary and annular free-wheeling bearing cover guide ring member, and the plurality of ball bearings are made from self-lubricating material selected from the group consisting of self-lubricating plastics, metals fabricated with self-lubricating coatings, and a non-metal.