Invention Grant
US08727451B2 Rotatable grading pick with debris clearing feature 有权
具有碎屑清除功能的可旋转分级选择

Rotatable grading pick with debris clearing feature
Abstract:
A rotatable grading pick has a head portion, a shank portion extending rearwardly from the head portion, and a polygonal portion on the rotatable grading pick. At least a portion of the outer perimeter of the polygonal portion can be engaged by a tool so that the polygonal portion can be rotated, and the shank portion can be rotated to clear debris between the shank portion and a retainer placed around a part of the shank portion.
Public/Granted literature
Information query
Patent Agency Ranking
0/0