E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
262/34
E02F 3/08 (2006.01) E02F 3/10 (2006.01) E02F 5/06 (2006.01) E02F 5/02 (2006.01)
Patent
CA 1238928
ABSTRACT Apparatus for excavating hard soils comprising support means, an endless chain capable of movement relative to said support means, drive means for moving said endless chain, means integral with said endless chain operable to contact said hard soils, and means for concentrating the force exerted by said soil contacting means against said hard soils at a specific point along said endless chain while said endless chain is being moved relative to said support means. .
484406
Harris Jesse W.
Lutich Louis L.
Harris Jesse W.
Lutich Louis L.
Ridout & Maybee Llp
LandOfFree
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