E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
E21C 37/08 (2006.01) E02F 3/30 (2006.01) E02F 3/36 (2006.01) E02F 3/46 (2006.01) E02F 3/58 (2006.01) E02F 9/10 (2006.01)
Patent
CA 2358273
A mining shovel including a base and a frame rotatably mounted above the base. An upper member is fixed to the frame, and a lower member is fixed to said base. The lower member is engaged with the upper member to transfer horizontal forces between the upper and lower members, wherein the upper member is rotatably slidable relative to the lower member, and the lower member is axially slidable relative to the upper member. A bushing is interposed between said upper and lower members.
Baranek John P.
Gilmore Carl D.
Poetter Rainer
Borden Ladner Gervais Llp
Bucyrus International Inc.
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