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

Claim 18:
19. The cutting head device of claim 15, wherein said ground bumping means cooperatively interengagable rotation control means are comprised of a plurality of circumferentially spaced flange tabs projecting radially outwardly from a ground bumping means cylindrical wall portion and a plurality of circumferentially spaced ground bumping means teeth or cam followers projecting in a direction generally parallel and concentric to said ground bumping means cylindrical 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 a lower cover cylindrical side wall portion including a gap and a plurality of circumferentially spaced lower cover teeth or cam followers projecting from a lower cover radial wall portion in a direction generally parallel and radially concentric to said lower cover cylindrical side wall portion.