Composite excavating tooth

Details Composite excavating tooth Composite excavating tooth

1990-04-10

1992-01-21

Reese, Randolph A.

Fluid handling

Siphons

With flow starting, stopping or maintaining means

299 79, 295275, 29530, 428614, E02F 928

Patent

active

050817744

ABSTRACT:
A replaceable composite excavating tooth for excavating earth comprises wear-resistant material having a higher hardness than a tooth body and being insert-cast into the tooth body. The performance of the excavating tooth is improved by locating the wear-resistant material as an integral insert at a central part between the top and bottom surfaces and determining the width of the insert substantially the same as the width between both side surfaces of the tooth body, extending the insert from the tip end toward an attachment part of the tooth and terminating the insert at a position of limit of potential use for replacing the composite excavating tooth.

REFERENCES:
patent: 2155215 (1939-04-01), Beament
patent: 2861908 (1958-11-01), Mickelson
patent: 3805423 (1974-04-01), Engel et al.
patent: 3970445 (1976-07-01), Gale et al.
patent: 3984910 (1976-10-01), Helton et al.
patent: 4187626 (1980-02-01), Greer et al.
patent: 4608318 (1986-08-01), Makrides et al.
patent: 4704251 (1987-11-01), Kraemer
patent: 4711503 (1987-12-01), Berchem et al.
patent: 4817743 (1989-04-01), Greenfield et al.
patent: 4885214 (1989-12-01), Trenkler et al.

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