Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Patent
1981-09-17
1984-03-13
Briggs, William R.
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
279 1A, 279 82, 408239A, 409234, B23Q 312, B23B 3102
Patent
active
044364636
ABSTRACT:
The subject invention relates to an assembly for facilitating the mounting and ejection of a rotatable cutting tool adaptor on a machine tool. More particularly, the subject invention allows a cutting tool adaptor to be manually interlocked with a rotatable spindle permitting standard cutting tools to be rapidly mounted on a machine tool. The assembly includes an elongated tapered tool adaptor shank, with one end thereof being defined by a flange having a V-shaped channel formed circumferentially therearound. The flange includes a pair of opposed slots interrupting the flange and in communication with the channel. A rotatable cylindrical spindle is configured to receive the tapered end of the adaptor shank. A cylindrical nut is provided for interconnecting the adaptor shank to the spindle. The inner surface of the nut includes a threaded portion which engages a threaded portion provided on the outer surface of the spindle. In addition, the nut includes two opposed projections extending radially inwardly. When the nut is mounted over the shank and spindle, the projections are initially received in the slots of the flange. When the nut is tightened, the projections become engaged in the channel of the flange. The tightening of the nut functions to pull the tool adaptor shank securely into the spindle of the machine tool. Upon loosening of the nut, tool adaptor is positively ejected from the machine tool spindle.
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Briggs William R.
General Electric Company
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