Excavating – Ditch filler
Patent
1986-05-07
1988-03-08
Burr, Edgar S.
Excavating
Ditch filler
37141R, 371175, 37DIG3, 37DIG12, E02F 928
Patent
active
047291800
ABSTRACT:
An improved detachable tooth bar for use with excavating buckets wherein the improvements are in the provision of stops against which the lip of the bucket bears; in the positioning of the outermost tooth of the tooth bar so as to be near the corner between the lip of the bucket and the upright side of the bucket in cooperation with; the provision of a projection of the bar beyond the outside edges of the bucket serve to break up the material through which the bucket is pressed and thereby avoid the build-up of distorting forces on the bar's mounting plate and mounting plate securement means.
REFERENCES:
patent: 3097439 (1963-07-01), Calkin
patent: 3478449 (1969-11-01), Baker
patent: 3595416 (1971-07-01), Perrotti
patent: 3834567 (1974-09-01), Miller
patent: 3896569 (1975-07-01), Thompson et al.
patent: 3975844 (1976-08-01), Olson
patent: 4151664 (1979-05-01), Maura
patent: 4407080 (1983-10-01), Mann
patent: 4550512 (1985-11-01), Felstet
Burr Edgar S.
Cohen Moshe I.
Johnson Russell L.
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