Patent ID: 11903339
Assignee: nan
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 7:
8. The cutting head device of claim 7, wherein said bumping means cooperatively interengagable rotation control means are comprised of a plurality of circumferentially spaced flange tabs projecting radially outwardly from said bumping means radially extending wall and a plurality of circumferentially spaced bumping means teeth or bumping means cam followers projecting in a direction generally parallel and concentric to said peripheral wall portion and wherein said lower cover cooperatively interengagable rotation control means are comprised of a plurality of circumferentially spaced lower cover retention blocks projecting radially inwardly from said lower cover peripheral wall section, separated from said radial wall portion for a gap, and a plurality of circumferentially spaced lower cover teeth or lower cover cam followers projecting in a direction generally parallel to said peripheral wall section and radially concentric to said lower cover central opening.