Notched ditcher chain tooth

Details Notched ditcher chain tooth Notched ditcher chain tooth

1984-01-07

1986-02-25

Crowder, Clifford D.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

37142R, E02F 928

Patent

active

045718598

ABSTRACT:
The forwardly and outwardly inclined marginal edge of a conventional "cupped" ditcher chain tooth is provided with an elongated longitudinally extending shallow notch including front and rear ends spaced generally one-third the length of the tooth outer marginal edge from the front and rear ends of the tooth. The notch is of a length slightly less than one-third the length of the tooth outer marginal edge and the depth of the notch is between one-quarter and one-third the length of the notch.

REFERENCES:
patent: 1333394 (1920-03-01), Ekman
patent: 1395048 (1921-10-01), McKee
patent: 2925673 (1960-02-01), Sennholtz
patent: 3022588 (1962-02-01), Brown
patent: 3149679 (1964-09-01), Johnson et al.
patent: 3297365 (1967-01-01), Proctor
patent: 4028823 (1977-06-01), Edwards et al.
patent: 4187626 (1980-02-01), Greer et al.

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