发明授权
US07854078B2 Chain assembly 失效
链组装

Chain assembly
摘要:
In one aspect of the invention, a chain assembly comprises a boom comprising a sliding surface and a plurality of chain links adapted to slide along the sliding surface. At least one polycrystalline ceramic enhanced insert at an interface between the chain links and at least a portion of the sliding surface.
公开/授权文献
信息查询
0/0