FAILURE REGULATION IN A GUIDELINE FOR A BOOK STOCK

摘要

An arrangement for replenishing lubricating grease in drill cutters ( 3 ) that include a conical outer barrel ( 7 ) which is rotatable about a shaft ( 5 ) disposed centrally in the cutter, wherein there is provided in the cutter shaft ( 5 ) a passageway ( 16 ) that extends along the shaft from the cutter end of largest diameter and that connects with a transverse passageway ( 18 ) which opens into a bearing-accommodating space ( 13 ) in the cutter for delivering lubricating grease to the space ( 13 ), and wherein a lubricating nipple ( 19 ) is provided on the cutter end wall of largest diameter and functions to allow lubricating grease to be released from the bearing-accommodating space ( 13 ).