发明名称 |
Center pin support for a dragline excavating machine |
摘要 |
A center pivot pin support bearing assembly to provide rotatable center restraint for a dragline excavator machine. Multiple center pin bearing support fittings imparts stabilization and additional bearing wear surfaces for increased pin useful service life before replacement. An axially center pin bore receiving fitting is provided for longitudinal spaced multiple support fits combination with a center pin receiving stabilization base and fit.
|
申请公布号 |
US8474160(B1) |
申请公布日期 |
2013.07.02 |
申请号 |
US201113317353 |
申请日期 |
2011.10.17 |
申请人 |
THOMAS MARTY W.;EHRET JAMES ALAN;WARFAB INDUSTRIES, INC. |
发明人 |
THOMAS MARTY W.;EHRET JAMES ALAN |
分类号 |
E02F3/58 |
主分类号 |
E02F3/58 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|