Excavating tooth point particularly suited for large dragline bu

Excavating – Ditch filler

Patent

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Details

37141T, 37142R, 299 92, 403379, E02F 928, E21B 1062

Patent

active

050689860

ABSTRACT:
An excavating tooth point having a pin receiving opening, a cavity in the point in communication with the opening and a resilient lock for the pin in the cavity.

REFERENCES:
patent: 1874783 (1932-08-01), Mekeel
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patent: 2846790 (1958-08-01), Davis et al.
patent: 2919506 (1960-01-01), Larsen
patent: 3121289 (1964-02-01), Eyolfson
patent: 3388488 (1968-06-01), Duplessis
patent: 4187035 (1980-02-01), Colburn
patent: 4271615 (1981-06-01), Jones
patent: 4326348 (1982-04-01), Emrich
patent: 4716668 (1988-01-01), Hahn
patent: 4727663 (1988-03-01), Hahn

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