Excavator with low center of gravity

Details Excavator with low center of gravity Excavator with low center of gravity

1977-05-23

1978-07-25

Paperner, L. J.

Traversing hoists

Overhead

Cable

212 38, 212 67, 214134, 37103, E02F 920

Patent

active

041024613

ABSTRACT:
An excavator includes a vessel-like lower frame having a generally vertical side wall, and a bottom wall that forms a support plate. Wheel means are secured to the lower frame side wall, and an upper frame is mounted on the lower frame for rotation about a vertical axis. The upper frame carries a cabin, and a boom and bucket assembly. The engine and other heavy equipment components for operating the excavator are secured to the underside of the upper frame and rotate therewith, thereby giving the excavator a low center of gravity, and eliminating clutter around the operator's cabin.

REFERENCES:
patent: 1234115 (1917-07-01), Armstrong
patent: 1650255 (1927-11-01), Bannister
patent: 2893502 (1959-07-01), Scheuerpflug
patent: 2949162 (1960-08-01), Davis
patent: 3738442 (1973-06-01), Eiler

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