Excavating – Ditch filler
Patent
1974-10-01
1976-11-09
Burr, Edgar S.
Excavating
Ditch filler
24218, 85 5N, 85 83, 85 88, 279 97, 299 92, 403318, E02F 928, F16B 2107, F16B 2118
Patent
active
039901629
ABSTRACT:
An earthworking device comprises an adapter having a tip detachably mounted on a forward end thereof. A flat pin of rectangular cross section, disposed in aligned bores formed through the adapter and the tip, is held in place by a triangularly shaped spring clip which straddles notches formed on the pin.
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Heinold Lloyd K.
Helton Eugene L.
Bratlie Steven A.
Burr Edgar S.
Caterpillar Tractor Co.
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