Excavating apparatus with a compression plate and associated hyd

Details Excavating apparatus with a compression plate and associated hyd Excavating apparatus with a compression plate and associated hyd

1994-08-03

1996-06-25

Johnson, Blair M.

Excavating

Combined or convertible

37444, 37903, 414912, B01D 4300, E02F 396

Patent

active

055288448

ABSTRACT:
An excavating apparatus with a compression plate and associated hydraulic cylinder for the dewatering of excavation material comprising: an excavator having a stick pivotable at its inboard end with respect to the excavator and a bucket pivotally secured with respect to the outboard end of the stick; a compression plate pivotally secured to the inboard end of the bucket, the compression plate having a planar central section, an angled leading component extending upwardly at an angle between forty and fifty degrees from the compression plate at the leading edge of the compression plate and an inverted J-shaped coupling component with a long linear segment and a short linear segment adjacent to the inboard end of the compression plate; a pivot pin coupling the free end of the short linear segment coupling component with the inboard end of the bucket and with the long linear component secured to the inboard end of the compression plate; and a plurality of apertures formed in the central section of the compression plate and the angled leading component.

REFERENCES:
patent: 2402299 (1946-06-01), Schield
patent: 3003265 (1961-10-01), Lutjens
patent: 3072257 (1963-01-01), Hockenberry
patent: 3395798 (1968-08-01), Erickson
patent: 3461968 (1969-08-01), Longley
patent: 3477573 (1969-11-01), Andersson
patent: 4157956 (1979-06-01), Robinson
patent: 4858346 (1989-08-01), Schulte
patent: 5241764 (1993-09-01), Modig
patent: 5405092 (1995-04-01), Jonninen

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