Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1984-12-07
1986-09-02
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51105VG, 51237M, 51237T, B25B 500
Patent
active
046087842
ABSTRACT:
A work spindle device having a rotor which allows a workpiece to be fed and ejected quickly and permits the workpiece to be machined simultaneously at opposite ends thereof. A clamp member having collets on opposite ends and a central axial through hole for insertion of the workpiece therein is disposed in the rotor. Each of the collets is insertable in one of a pair of tapered holes defined in the rotor so as to be pitted therein. A spring means normally urges the collets and the corresponding tapered holes into interfitting engagement for clamping the workpiece in the rotor. The work spindle device also has a mechanism for releasing the collets and the tapered holes from their interfitting engagement to unclamp the workpiece from the rotor.
REFERENCES:
patent: 291235 (1884-01-01), Sibley
patent: 1978315 (1934-10-01), Lemay
patent: 2569093 (1951-09-01), Drissner
patent: 4520595 (1985-06-01), Diener
Fukushima Matsuhiro
Kaifu Hitoshi
Oyobiki Yoshinori
Cantarella John J.
Carrier Joseph P.
Honda Giken Kogyo Kabushiki Kaisha
Schmidt Frederick R.
Weiner Irving M.
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