Fixture for holding a twist drill to be reground

Details Fixture for holding a twist drill to be reground Fixture for holding a twist drill to be reground

1979-07-09

1981-06-02

Whitehead, Harold D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 326

Patent

active

042703158

ABSTRACT:
A carriage is slidably mounted on a baseplate and longitudinally guided thereon in a predetermined direction. An angle bracket is slidably and pivotally mounted on and adapted to be fixed to said carriage and is guided thereon transversely to said predetermined direction. A crosspin is mounted on said angle bracket and adapted to extend transversely to said predetermined direction. A drill holder for holding a twist drill is fitted on said crosspin to be pivotally movable thereon and extends laterally of said angle bracket at an angle to said predetermined direction.

REFERENCES:
patent: 622212 (1899-04-01), Dutton
patent: 643927 (1900-02-01), Walker
patent: 1662521 (1928-03-01), Kobis
patent: 2556073 (1951-06-01), Dixon
patent: 2809470 (1957-10-01), Nyholm
patent: 3067550 (1962-12-01), Schultz
patent: 3952459 (1976-04-01), Negley
patent: 4142332 (1979-03-01), Clarke

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