An excavating tooth wherein the coupling between the point and the adapter is achieved through generally helical thread means with an external lock to prevent removal by reverse rotation relative to the direction of the helical thread means.
申请公布号
FI811288(L)
申请公布日期
1981.10.29
申请号
FI19810001288
申请日期
1981.04.24
申请人
ESCO CORP
发明人
HAHN FREDERICK CHARLES;BARBER JR WILLIAM RICHMOND;HAMPEL DAVID ALFRED