Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1980-04-07
1981-05-05
Whitehead, Harold D.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
279 83, B24B 916
Patent
active
042650577
ABSTRACT:
Apparatus as described for centering a collet chuck relative to the longitudinal axis of a dop arm for a gem faceting machine. The apparatus includes a socket mounted to the dop arm and a plug slidably received within an open longitudinal bore formed within the socket. The plug mounts a collet chuck. Two longitudinally spaced sets of screws extend radially into the socket. The individual screws of the two sets can be turned against the plug to adjust the collet chuck into a secure precise coaxial relation with the dop arm axis.
REFERENCES:
patent: 523893 (1894-07-01), Houck
patent: 3073085 (1963-07-01), Ticino
patent: 3199380 (1965-08-01), Threlkeld
patent: 3439456 (1969-04-01), Bailey
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