Coupling of an excavator shovel

Details Coupling of an excavator shovel Coupling of an excavator shovel

1980-02-14

1981-12-08

Eickholt, E. H.

Excavating

Railway graders

Side former

414723, E02F 370

Patent

active

043040586

ABSTRACT:
Articulation of an excavator shovel at a pivot point arranged at the free end of the stick. A cap is mounted on the free end of the stick, the cap facing the rear wall of the shovel. The surface of the cap defines a radius with a center point at the pivot point of the shovel. A scraper plate with a width corresponding to the width of the stick on the rear wall of the shovel facing the stick is arranged parallel to the upper edge of the bearing bracket and cooperates with the cap so that only a clearance which assures free passage is present between the cap and the scraper plate. The imaginary extension of the scraper plate intersects the radius of the cap at a point located on the upper flange of the stick.

REFERENCES:
patent: 3578188 (1971-05-01), Drieschner
patent: 4127203 (1978-11-01), Arnold
patent: 4133121 (1979-01-01), Hemphill
patent: 4187050 (1980-02-01), Barbee

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