Cutter mounting and apparatus and method for a drill bit

Details Cutter mounting and apparatus and method for a drill bit Cutter mounting and apparatus and method for a drill bit

1980-12-08

1982-11-02

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

Plural separable cutter elements

76108R, 407118, 408145, 408705, E21B 1058, E21B 1062

Patent

active

043568734

ABSTRACT:
A drill assembly comprising a tool bit of the type including a slot at one end for receiving a cutting element. A positioning clip removably disposed in the slot and having a cutting element engagement structure for maintaining the position of the cutting element within the retainer clip, and drill body engagement structure for locating and maintaining the position of the clip within the slot of the tool bit.

REFERENCES:
patent: 1956233 (1934-04-01), Braun
patent: 3089353 (1963-05-01), Craven
patent: 3415332 (1968-12-01), Bower, Jr.
patent: 3434552 (1969-03-01), Bower, Jr.
patent: 3434553 (1969-03-01), Weller
patent: 3434554 (1969-03-01), Bower, Jr.
patent: 3487514 (1970-01-01), O'Brien

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