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

Claim 18:
19. An improved mini-concrete trowel attachment apparatus connected to a prime mover tool according to claim 18, wherein the second upper and lower spaced apart fastening clip members being integrally attached to and radially extending from the second annular free-wheeling bearing cover guide ring member at top and bottom radial end portions thereof, an outward forward end having an outer tapered portion, and a lower portion integrally attached to the outer tapered portion with a radially extending outward end having a locking fastener including a bead member; and
wherein the outward forward end of the second upper and lower spaced apart fastening clip members having an inner tapered portion that aligns with and spaced from the outer tapered portion of the first upper and lower fastening clip members and between the top and bottom radial end portions thereof forming a clearance space therebetween when the rear inner face surface of the second annular free-wheeling bearing cover guide ring member engages the self-lubricating bearing and spacer member of each of the plurality of spaced apart non-rotating arm members, whereby the clearance space allows for rotation without binding as the fastening bead member moves within the fastening cavity of each of the plurality of spaced apart non-rotating arm members.