Tracked running gear assembly in particular for small excavators

Details Tracked running gear assembly in particular for small excavators Tracked running gear assembly in particular for small excavators

1995-04-03

1997-09-23

Stormer, Russell D.

Wheel substitutes for land vehicles

With lubrication

Including passage in or for roller structure

305136, B62D 5515

Patent

active

056696809

ABSTRACT:
To limit costs without compromising its life while at the same time simplifying its construction, the tracked running gear assembly (1) has its load-bearing wheels (4) and its track tensioning wheel (3) each comprising an idle roller (6) of austempered cast iron maintained on a shaft (7) of construction-type steel by two locking elements (8) of spheroidal graphite cast iron mounted as an interference fit on the ends of said shaft (7). The idle roller (6) comprises a lubricant chamber (9), the seal (19) being housed in the locking elements (8). The sprocket ring (26) of the drive wheel (2) is of austempered cast iron.

REFERENCES:
patent: 3843214 (1974-10-01), Piepho
patent: 4209205 (1980-06-01), Gregg et al.
patent: 4695102 (1987-09-01), Crotti

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