Digging tooth and holder assembly

Details Digging tooth and holder assembly Digging tooth and holder assembly

1982-11-30

1984-10-16

Crowder, Clifford D.

Excavating

Ditch filler

29525, 37191A, 279102, 299 91, 403332, E02F 928

Patent

active

044766424

ABSTRACT:
A digging tooth is removably received within a tooth receiving holder. The holder is attached to a digging apparatus, such as a trencher machine, for example. The holder includes a socket within which a shank of the tooth is removably received. The socket of the holder is in the form of an outwardly opening, elongated cavity which rearwardly tapers so that the cavity is progressively reduced in size. The tooth shank is rearwardly tapered and made complementary respective to the socket cavity, so that when the shank is telescopingly forced into the cavity, it is wedgedly held in assembled relationship and is easily removed therefrom, and the teeth therefore can subsequently be rapidly and easily replaced.

REFERENCES:
patent: 1318958 (1919-10-01), Bernay
patent: 1551815 (1925-09-01), Ferguson
patent: 2010590 (1935-08-01), Grumbacher
patent: 3610691 (1971-10-01), Penote et al.
patent: 3888028 (1975-06-01), White
patent: 3888637 (1975-06-01), Taguchi et al.
patent: 4098013 (1978-07-01), Hemphill

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