Mining shovel with improved center gudgeon bottom retainer

Details Mining shovel with improved center gudgeon bottom retainer Mining shovel with improved center gudgeon bottom retainer

1992-10-27

1994-03-01

Kashnikow, Andres

Traversing hoists

Having horizontally swinging boom or bridge

Having specific bearing structure

B65G 700

Patent

active

052899284

ABSTRACT:
Apparatus such as a mining shovel or the like, the apparatus comprising a carbody supported for movement over the ground, the carbody including a cylindrical bore centered on a vertical axis. A cylindrical center gudgeon is housed in the cylindrical bore, the center gudgeon including a generally cylindrical outer surface having therein a groove defining a generally horizontal plane, and a flat defined by a vertical, planar surface forming a chord of the outer surface. A bottom retainer includes a plurality of ring segments housed in the groove, and a key having a vertical, planar key inner surface engaging the center gudgeon flat and facing the ends of two of the ring segments. The key is welded to the carbody so that the key is stationary relative to the carbody and prevents rotation of the center gudgeon relative to the carbody.

REFERENCES:
patent: 4433954 (1984-02-01), Fujita
patent: 4611440 (1986-09-01), Kalve
patent: 4769932 (1988-09-01), Kalve
patent: 5121561 (1992-06-01), Palfreyman

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