Cylindrical retainer for a cutting bit

Details Cylindrical retainer for a cutting bit Cylindrical retainer for a cutting bit

1986-12-22

1988-03-01

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Miscellaneous

299 86, E21C 2512

Patent

active

047281537

ABSTRACT:
A cylindrical retainer which retains a cutting bit in a bore of a bit mount of a cutting tool, including a circumferential inner ridge which extends into a corresponding groove in the bit, and a plurality of circumferentially, spaced protuberances which bear against the wall of the bore.

REFERENCES:
patent: 3397012 (1968-08-01), Krekeler
patent: 4333687 (1982-06-01), Barnstorf
patent: 4484783 (1984-11-01), Emmerich

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