Excavating – Ditch filler
Patent
1990-02-12
1991-04-09
Reese, Randolph A.
Excavating
Ditch filler
37135, 403331, 403381, 172751, 172753, 172772, E02F 928
Patent
active
050053043
ABSTRACT:
An assembly of wear elements for installation on the wearable part of a structure engageable with abrasive material including a relatively elongated base element adapted to be secured to the wearable part and a relatively elongated wear element releasably, reversibly mounted on the base element, each of the elements having first and second pair of longitudinally spaced apart dovetail surfaces with one of the elements having third and fourth pairs of longitudinally spaced apart dovetail surfaces.
REFERENCES:
patent: 3469331 (1969-09-01), Wood
patent: 4058173 (1977-11-01), Carson
patent: 4457380 (1984-07-01), Curry
patent: 4716666 (1988-01-01), Potter
Briscoe Terry L.
Sprunger Paul C.
ESCO Corporation
Olsen Arlen L.
Reese Randolph A.
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